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dep-protobuf/php/ext/google/protobuf/php-upb.c
Mike Kruskal 4f9e41767a Release prototype of Protobuf Editions. 
This represents the future direction of protobuf, replacing proto2/proto3 syntax with editions.  These will enable more incremental evolution of protobuf APIs through features, which are individual behaviors (such as whether field presence is explicit or implicit).  For more details see https://protobuf.dev/editions/overview/.

This PR contains a working implementation of editions for the protoc frontend and C++ code generation, along with various infrastructure improvements to support it.  It gives early access for anyone who wants to a preview of editions, but has no effect on proto2/proto3 syntax.  It is flag-guarded behind the `--experimental_editions` flag, and is an experimental feature with no guarantees.

PiperOrigin-RevId: 544805690
2023-06-30 20:18:49 -07:00

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/* Amalgamated source file */
#include "php-upb.h"
/*
* This is where we define internal portability macros used across upb.
*
* All of these macros are undef'd in undef.inc to avoid leaking them to users.
*
* The correct usage is:
*
* #include "upb/foobar.h"
* #include "upb/baz.h"
*
* // MUST be last included header.
* #include "upb/port/def.inc"
*
* // Code for this file.
* // <...>
*
* // Can be omitted for .c files, required for .h.
* #include "upb/port/undef.inc"
*
* This file is private and must not be included by users!
*/
#if !((defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \
(defined(__cplusplus) && __cplusplus >= 201402L) || \
(defined(_MSC_VER) && _MSC_VER >= 1900))
#error upb requires C99 or C++14 or MSVC >= 2015.
#endif
// Portable check for GCC minimum version:
// https://gcc.gnu.org/onlinedocs/cpp/Common-Predefined-Macros.html
#if defined(__GNUC__) && defined(__GNUC_MINOR__) && defined(__GNUC_PATCHLEVEL__)
#define UPB_GNUC_MIN(x, y) \
(__GNUC__ > (x) || __GNUC__ == (x) && __GNUC_MINOR__ >= (y))
#else
#define UPB_GNUC_MIN(x, y) 0
#endif
#include <assert.h>
#include <setjmp.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#if UINTPTR_MAX == 0xffffffff
#define UPB_SIZE(size32, size64) size32
#else
#define UPB_SIZE(size32, size64) size64
#endif
/* If we always read/write as a consistent type to each address, this shouldn't
* violate aliasing.
*/
#define UPB_PTR_AT(msg, ofs, type) ((type*)((char*)(msg) + (ofs)))
#define UPB_MAPTYPE_STRING 0
// UPB_EXPORT: always generate a public symbol.
#if defined(__GNUC__) || defined(__clang__)
#define UPB_EXPORT __attribute__((visibility("default"))) __attribute__((used))
#else
#define UPB_EXPORT
#endif
// UPB_INLINE: inline if possible, emit standalone code if required.
#ifdef __cplusplus
#define UPB_INLINE inline
#elif defined (__GNUC__) || defined(__clang__)
#define UPB_INLINE static __inline__
#else
#define UPB_INLINE static
#endif
#ifdef UPB_BUILD_API
#define UPB_API UPB_EXPORT
#define UPB_API_INLINE UPB_EXPORT
#else
#define UPB_API
#define UPB_API_INLINE UPB_INLINE
#endif
#define UPB_MALLOC_ALIGN 8
#define UPB_ALIGN_UP(size, align) (((size) + (align) - 1) / (align) * (align))
#define UPB_ALIGN_DOWN(size, align) ((size) / (align) * (align))
#define UPB_ALIGN_MALLOC(size) UPB_ALIGN_UP(size, UPB_MALLOC_ALIGN)
#ifdef __clang__
#define UPB_ALIGN_OF(type) _Alignof(type)
#else
#define UPB_ALIGN_OF(type) offsetof (struct { char c; type member; }, member)
#endif
// Hints to the compiler about likely/unlikely branches.
#if defined (__GNUC__) || defined(__clang__)
#define UPB_LIKELY(x) __builtin_expect((bool)(x), 1)
#define UPB_UNLIKELY(x) __builtin_expect((bool)(x), 0)
#else
#define UPB_LIKELY(x) (x)
#define UPB_UNLIKELY(x) (x)
#endif
// Macros for function attributes on compilers that support them.
#ifdef __GNUC__
#define UPB_FORCEINLINE __inline__ __attribute__((always_inline))
#define UPB_NOINLINE __attribute__((noinline))
#define UPB_NORETURN __attribute__((__noreturn__))
#define UPB_PRINTF(str, first_vararg) __attribute__((format (printf, str, first_vararg)))
#elif defined(_MSC_VER)
#define UPB_NOINLINE
#define UPB_FORCEINLINE
#define UPB_NORETURN __declspec(noreturn)
#define UPB_PRINTF(str, first_vararg)
#else /* !defined(__GNUC__) */
#define UPB_FORCEINLINE
#define UPB_NOINLINE
#define UPB_NORETURN
#define UPB_PRINTF(str, first_vararg)
#endif
#define UPB_MAX(x, y) ((x) > (y) ? (x) : (y))
#define UPB_MIN(x, y) ((x) < (y) ? (x) : (y))
#define UPB_UNUSED(var) (void)var
// UPB_ASSUME(): in release mode, we tell the compiler to assume this is true.
#ifdef NDEBUG
#ifdef __GNUC__
#define UPB_ASSUME(expr) if (!(expr)) __builtin_unreachable()
#elif defined _MSC_VER
#define UPB_ASSUME(expr) if (!(expr)) __assume(0)
#else
#define UPB_ASSUME(expr) do {} while (false && (expr))
#endif
#else
#define UPB_ASSUME(expr) assert(expr)
#endif
/* UPB_ASSERT(): in release mode, we use the expression without letting it be
* evaluated. This prevents "unused variable" warnings. */
#ifdef NDEBUG
#define UPB_ASSERT(expr) do {} while (false && (expr))
#else
#define UPB_ASSERT(expr) assert(expr)
#endif
#if defined(__GNUC__) || defined(__clang__)
#define UPB_UNREACHABLE() do { assert(0); __builtin_unreachable(); } while(0)
#elif defined(_MSC_VER)
#define UPB_UNREACHABLE() \
do { \
assert(0); \
__assume(0); \
} while (0)
#else
#define UPB_UNREACHABLE() do { assert(0); } while(0)
#endif
/* UPB_SETJMP() / UPB_LONGJMP(): avoid setting/restoring signal mask. */
#ifdef __APPLE__
#define UPB_SETJMP(buf) _setjmp(buf)
#define UPB_LONGJMP(buf, val) _longjmp(buf, val)
#else
#define UPB_SETJMP(buf) setjmp(buf)
#define UPB_LONGJMP(buf, val) longjmp(buf, val)
#endif
#ifdef __GNUC__
#define UPB_USE_C11_ATOMICS
#define UPB_ATOMIC(T) _Atomic(T)
#else
#define UPB_ATOMIC(T) T
#endif
/* UPB_PTRADD(ptr, ofs): add pointer while avoiding "NULL + 0" UB */
#define UPB_PTRADD(ptr, ofs) ((ofs) ? (ptr) + (ofs) : (ptr))
#define UPB_PRIVATE(x) x##_dont_copy_me__upb_internal_use_only
/* Configure whether fasttable is switched on or not. *************************/
#ifdef __has_attribute
#define UPB_HAS_ATTRIBUTE(x) __has_attribute(x)
#else
#define UPB_HAS_ATTRIBUTE(x) 0
#endif
#if UPB_HAS_ATTRIBUTE(musttail)
#define UPB_MUSTTAIL __attribute__((musttail))
#else
#define UPB_MUSTTAIL
#endif
#undef UPB_HAS_ATTRIBUTE
/* This check is not fully robust: it does not require that we have "musttail"
* support available. We need tail calls to avoid consuming arbitrary amounts
* of stack space.
*
* GCC/Clang can mostly be trusted to generate tail calls as long as
* optimization is enabled, but, debug builds will not generate tail calls
* unless "musttail" is available.
*
* We should probably either:
* 1. require that the compiler supports musttail.
* 2. add some fallback code for when musttail isn't available (ie. return
* instead of tail calling). This is safe and portable, but this comes at
* a CPU cost.
*/
#if (defined(__x86_64__) || defined(__aarch64__)) && defined(__GNUC__)
#define UPB_FASTTABLE_SUPPORTED 1
#else
#define UPB_FASTTABLE_SUPPORTED 0
#endif
/* define UPB_ENABLE_FASTTABLE to force fast table support.
* This is useful when we want to ensure we are really getting fasttable,
* for example for testing or benchmarking. */
#if defined(UPB_ENABLE_FASTTABLE)
#if !UPB_FASTTABLE_SUPPORTED
#error fasttable is x86-64/ARM64 only and requires GCC or Clang.
#endif
#define UPB_FASTTABLE 1
/* Define UPB_TRY_ENABLE_FASTTABLE to use fasttable if possible.
* This is useful for releasing code that might be used on multiple platforms,
* for example the PHP or Ruby C extensions. */
#elif defined(UPB_TRY_ENABLE_FASTTABLE)
#define UPB_FASTTABLE UPB_FASTTABLE_SUPPORTED
#else
#define UPB_FASTTABLE 0
#endif
/* UPB_FASTTABLE_INIT() allows protos compiled for fasttable to gracefully
* degrade to non-fasttable if the runtime or platform do not support it. */
#if !UPB_FASTTABLE
#define UPB_FASTTABLE_INIT(...)
#define UPB_FASTTABLE_MASK(mask) -1
#else
#define UPB_FASTTABLE_INIT(...) __VA_ARGS__
#define UPB_FASTTABLE_MASK(mask) mask
#endif
#undef UPB_FASTTABLE_SUPPORTED
/* ASAN poisoning (for arena).
* If using UPB from an interpreted language like Ruby, a build of the
* interpreter compiled with ASAN enabled must be used in order to get sane and
* expected behavior.
*/
#if defined(__SANITIZE_ADDRESS__)
#define UPB_ASAN 1
#ifdef __cplusplus
extern "C" {
#endif
void __asan_poison_memory_region(void const volatile *addr, size_t size);
void __asan_unpoison_memory_region(void const volatile *addr, size_t size);
#ifdef __cplusplus
} /* extern "C" */
#endif
#define UPB_POISON_MEMORY_REGION(addr, size) \
__asan_poison_memory_region((addr), (size))
#define UPB_UNPOISON_MEMORY_REGION(addr, size) \
__asan_unpoison_memory_region((addr), (size))
#else
#define UPB_ASAN 0
#define UPB_POISON_MEMORY_REGION(addr, size) \
((void)(addr), (void)(size))
#define UPB_UNPOISON_MEMORY_REGION(addr, size) \
((void)(addr), (void)(size))
#endif
/* Disable proto2 arena behavior (TEMPORARY) **********************************/
#ifdef UPB_DISABLE_PROTO2_ENUM_CHECKING
#define UPB_TREAT_PROTO2_ENUMS_LIKE_PROTO3 1
#else
#define UPB_TREAT_PROTO2_ENUMS_LIKE_PROTO3 0
#endif
#if defined(__cplusplus)
#if defined(__clang__) || UPB_GNUC_MIN(6, 0)
// https://gcc.gnu.org/gcc-6/changes.html
#if __cplusplus >= 201402L
#define UPB_DEPRECATED [[deprecated]]
#else
#define UPB_DEPRECATED __attribute__((deprecated))
#endif
#else
#define UPB_DEPRECATED
#endif
#else
#define UPB_DEPRECATED
#endif
// begin:google_only
// #define UPB_IS_GOOGLE3
// end:google_only
#if defined(UPB_IS_GOOGLE3) && !defined(UPB_BOOTSTRAP_STAGE0)
#define UPB_DESC(sym) proto2_##sym
#else
#define UPB_DESC(sym) google_protobuf_##sym
#endif
#include <errno.h>
#include <float.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
// Must be last.
void upb_Status_Clear(upb_Status* status) {
if (!status) return;
status->ok = true;
status->msg[0] = '\0';
}
bool upb_Status_IsOk(const upb_Status* status) { return status->ok; }
const char* upb_Status_ErrorMessage(const upb_Status* status) {
return status->msg;
}
void upb_Status_SetErrorMessage(upb_Status* status, const char* msg) {
if (!status) return;
status->ok = false;
strncpy(status->msg, msg, _kUpb_Status_MaxMessage - 1);
status->msg[_kUpb_Status_MaxMessage - 1] = '\0';
}
void upb_Status_SetErrorFormat(upb_Status* status, const char* fmt, ...) {
va_list args;
va_start(args, fmt);
upb_Status_VSetErrorFormat(status, fmt, args);
va_end(args);
}
void upb_Status_VSetErrorFormat(upb_Status* status, const char* fmt,
va_list args) {
if (!status) return;
status->ok = false;
vsnprintf(status->msg, sizeof(status->msg), fmt, args);
status->msg[_kUpb_Status_MaxMessage - 1] = '\0';
}
void upb_Status_VAppendErrorFormat(upb_Status* status, const char* fmt,
va_list args) {
size_t len;
if (!status) return;
status->ok = false;
len = strlen(status->msg);
vsnprintf(status->msg + len, sizeof(status->msg) - len, fmt, args);
status->msg[_kUpb_Status_MaxMessage - 1] = '\0';
}
#include <string.h>
// Must be last.
const char _upb_Array_CTypeSizeLg2Table[] = {
[kUpb_CType_Bool] = 0,
[kUpb_CType_Float] = 2,
[kUpb_CType_Int32] = 2,
[kUpb_CType_UInt32] = 2,
[kUpb_CType_Enum] = 2,
[kUpb_CType_Message] = UPB_SIZE(2, 3),
[kUpb_CType_Double] = 3,
[kUpb_CType_Int64] = 3,
[kUpb_CType_UInt64] = 3,
[kUpb_CType_String] = UPB_SIZE(3, 4),
[kUpb_CType_Bytes] = UPB_SIZE(3, 4),
};
upb_Array* upb_Array_New(upb_Arena* a, upb_CType type) {
return _upb_Array_New(a, 4, _upb_Array_CTypeSizeLg2(type));
}
const void* upb_Array_DataPtr(const upb_Array* arr) {
return _upb_array_ptr((upb_Array*)arr);
}
void* upb_Array_MutableDataPtr(upb_Array* arr) { return _upb_array_ptr(arr); }
size_t upb_Array_Size(const upb_Array* arr) { return arr->size; }
upb_MessageValue upb_Array_Get(const upb_Array* arr, size_t i) {
upb_MessageValue ret;
const char* data = _upb_array_constptr(arr);
int lg2 = arr->data & 7;
UPB_ASSERT(i < arr->size);
memcpy(&ret, data + (i << lg2), 1 << lg2);
return ret;
}
void upb_Array_Set(upb_Array* arr, size_t i, upb_MessageValue val) {
char* data = _upb_array_ptr(arr);
int lg2 = arr->data & 7;
UPB_ASSERT(i < arr->size);
memcpy(data + (i << lg2), &val, 1 << lg2);
}
bool upb_Array_Append(upb_Array* arr, upb_MessageValue val, upb_Arena* arena) {
UPB_ASSERT(arena);
if (!upb_Array_Resize(arr, arr->size + 1, arena)) {
return false;
}
upb_Array_Set(arr, arr->size - 1, val);
return true;
}
void upb_Array_Move(upb_Array* arr, size_t dst_idx, size_t src_idx,
size_t count) {
const int lg2 = arr->data & 7;
char* data = _upb_array_ptr(arr);
memmove(&data[dst_idx << lg2], &data[src_idx << lg2], count << lg2);
}
bool upb_Array_Insert(upb_Array* arr, size_t i, size_t count,
upb_Arena* arena) {
UPB_ASSERT(arena);
UPB_ASSERT(i <= arr->size);
UPB_ASSERT(count + arr->size >= count);
const size_t oldsize = arr->size;
if (!upb_Array_Resize(arr, arr->size + count, arena)) {
return false;
}
upb_Array_Move(arr, i + count, i, oldsize - i);
return true;
}
/*
* i end arr->size
* |------------|XXXXXXXX|--------|
*/
void upb_Array_Delete(upb_Array* arr, size_t i, size_t count) {
const size_t end = i + count;
UPB_ASSERT(i <= end);
UPB_ASSERT(end <= arr->size);
upb_Array_Move(arr, i, end, arr->size - end);
arr->size -= count;
}
bool upb_Array_Resize(upb_Array* arr, size_t size, upb_Arena* arena) {
const size_t oldsize = arr->size;
if (UPB_UNLIKELY(!_upb_Array_ResizeUninitialized(arr, size, arena))) {
return false;
}
const size_t newsize = arr->size;
if (newsize > oldsize) {
const int lg2 = arr->data & 7;
char* data = _upb_array_ptr(arr);
memset(data + (oldsize << lg2), 0, (newsize - oldsize) << lg2);
}
return true;
}
// EVERYTHING BELOW THIS LINE IS INTERNAL - DO NOT USE /////////////////////////
bool _upb_array_realloc(upb_Array* arr, size_t min_capacity, upb_Arena* arena) {
size_t new_capacity = UPB_MAX(arr->capacity, 4);
int elem_size_lg2 = arr->data & 7;
size_t old_bytes = arr->capacity << elem_size_lg2;
size_t new_bytes;
void* ptr = _upb_array_ptr(arr);
// Log2 ceiling of size.
while (new_capacity < min_capacity) new_capacity *= 2;
new_bytes = new_capacity << elem_size_lg2;
ptr = upb_Arena_Realloc(arena, ptr, old_bytes, new_bytes);
if (!ptr) return false;
arr->data = _upb_tag_arrptr(ptr, elem_size_lg2);
arr->capacity = new_capacity;
return true;
}
#include <string.h>
// Must be last.
// Strings/bytes are special-cased in maps.
char _upb_Map_CTypeSizeTable[12] = {
[kUpb_CType_Bool] = 1,
[kUpb_CType_Float] = 4,
[kUpb_CType_Int32] = 4,
[kUpb_CType_UInt32] = 4,
[kUpb_CType_Enum] = 4,
[kUpb_CType_Message] = sizeof(void*),
[kUpb_CType_Double] = 8,
[kUpb_CType_Int64] = 8,
[kUpb_CType_UInt64] = 8,
[kUpb_CType_String] = UPB_MAPTYPE_STRING,
[kUpb_CType_Bytes] = UPB_MAPTYPE_STRING,
};
upb_Map* upb_Map_New(upb_Arena* a, upb_CType key_type, upb_CType value_type) {
return _upb_Map_New(a, _upb_Map_CTypeSize(key_type),
_upb_Map_CTypeSize(value_type));
}
size_t upb_Map_Size(const upb_Map* map) { return _upb_Map_Size(map); }
bool upb_Map_Get(const upb_Map* map, upb_MessageValue key,
upb_MessageValue* val) {
return _upb_Map_Get(map, &key, map->key_size, val, map->val_size);
}
void upb_Map_Clear(upb_Map* map) { _upb_Map_Clear(map); }
upb_MapInsertStatus upb_Map_Insert(upb_Map* map, upb_MessageValue key,
upb_MessageValue val, upb_Arena* arena) {
UPB_ASSERT(arena);
return (upb_MapInsertStatus)_upb_Map_Insert(map, &key, map->key_size, &val,
map->val_size, arena);
}
bool upb_Map_Delete(upb_Map* map, upb_MessageValue key, upb_MessageValue* val) {
upb_value v;
const bool removed = _upb_Map_Delete(map, &key, map->key_size, &v);
if (val) _upb_map_fromvalue(v, val, map->val_size);
return removed;
}
bool upb_Map_Next(const upb_Map* map, upb_MessageValue* key,
upb_MessageValue* val, size_t* iter) {
upb_StringView k;
upb_value v;
const bool ok = upb_strtable_next2(&map->table, &k, &v, (intptr_t*)iter);
if (ok) {
_upb_map_fromkey(k, key, map->key_size);
_upb_map_fromvalue(v, val, map->val_size);
}
return ok;
}
UPB_API void upb_Map_SetEntryValue(upb_Map* map, size_t iter,
upb_MessageValue val) {
upb_value v;
_upb_map_tovalue(&val, map->val_size, &v, NULL);
upb_strtable_setentryvalue(&map->table, iter, v);
}
bool upb_MapIterator_Next(const upb_Map* map, size_t* iter) {
return _upb_map_next(map, iter);
}
bool upb_MapIterator_Done(const upb_Map* map, size_t iter) {
upb_strtable_iter i;
UPB_ASSERT(iter != kUpb_Map_Begin);
i.t = &map->table;
i.index = iter;
return upb_strtable_done(&i);
}
// Returns the key and value for this entry of the map.
upb_MessageValue upb_MapIterator_Key(const upb_Map* map, size_t iter) {
upb_strtable_iter i;
upb_MessageValue ret;
i.t = &map->table;
i.index = iter;
_upb_map_fromkey(upb_strtable_iter_key(&i), &ret, map->key_size);
return ret;
}
upb_MessageValue upb_MapIterator_Value(const upb_Map* map, size_t iter) {
upb_strtable_iter i;
upb_MessageValue ret;
i.t = &map->table;
i.index = iter;
_upb_map_fromvalue(upb_strtable_iter_value(&i), &ret, map->val_size);
return ret;
}
// EVERYTHING BELOW THIS LINE IS INTERNAL - DO NOT USE /////////////////////////
upb_Map* _upb_Map_New(upb_Arena* a, size_t key_size, size_t value_size) {
upb_Map* map = upb_Arena_Malloc(a, sizeof(upb_Map));
if (!map) return NULL;
upb_strtable_init(&map->table, 4, a);
map->key_size = key_size;
map->val_size = value_size;
return map;
}
// Must be last.
static void _upb_mapsorter_getkeys(const void* _a, const void* _b, void* a_key,
void* b_key, size_t size) {
const upb_tabent* const* a = _a;
const upb_tabent* const* b = _b;
upb_StringView a_tabkey = upb_tabstrview((*a)->key);
upb_StringView b_tabkey = upb_tabstrview((*b)->key);
_upb_map_fromkey(a_tabkey, a_key, size);
_upb_map_fromkey(b_tabkey, b_key, size);
}
static int _upb_mapsorter_cmpi64(const void* _a, const void* _b) {
int64_t a, b;
_upb_mapsorter_getkeys(_a, _b, &a, &b, 8);
return a < b ? -1 : a > b;
}
static int _upb_mapsorter_cmpu64(const void* _a, const void* _b) {
uint64_t a, b;
_upb_mapsorter_getkeys(_a, _b, &a, &b, 8);
return a < b ? -1 : a > b;
}
static int _upb_mapsorter_cmpi32(const void* _a, const void* _b) {
int32_t a, b;
_upb_mapsorter_getkeys(_a, _b, &a, &b, 4);
return a < b ? -1 : a > b;
}
static int _upb_mapsorter_cmpu32(const void* _a, const void* _b) {
uint32_t a, b;
_upb_mapsorter_getkeys(_a, _b, &a, &b, 4);
return a < b ? -1 : a > b;
}
static int _upb_mapsorter_cmpbool(const void* _a, const void* _b) {
bool a, b;
_upb_mapsorter_getkeys(_a, _b, &a, &b, 1);
return a < b ? -1 : a > b;
}
static int _upb_mapsorter_cmpstr(const void* _a, const void* _b) {
upb_StringView a, b;
_upb_mapsorter_getkeys(_a, _b, &a, &b, UPB_MAPTYPE_STRING);
size_t common_size = UPB_MIN(a.size, b.size);
int cmp = memcmp(a.data, b.data, common_size);
if (cmp) return -cmp;
return a.size < b.size ? -1 : a.size > b.size;
}
static int (*const compar[kUpb_FieldType_SizeOf])(const void*, const void*) = {
[kUpb_FieldType_Int64] = _upb_mapsorter_cmpi64,
[kUpb_FieldType_SFixed64] = _upb_mapsorter_cmpi64,
[kUpb_FieldType_SInt64] = _upb_mapsorter_cmpi64,
[kUpb_FieldType_UInt64] = _upb_mapsorter_cmpu64,
[kUpb_FieldType_Fixed64] = _upb_mapsorter_cmpu64,
[kUpb_FieldType_Int32] = _upb_mapsorter_cmpi32,
[kUpb_FieldType_SInt32] = _upb_mapsorter_cmpi32,
[kUpb_FieldType_SFixed32] = _upb_mapsorter_cmpi32,
[kUpb_FieldType_Enum] = _upb_mapsorter_cmpi32,
[kUpb_FieldType_UInt32] = _upb_mapsorter_cmpu32,
[kUpb_FieldType_Fixed32] = _upb_mapsorter_cmpu32,
[kUpb_FieldType_Bool] = _upb_mapsorter_cmpbool,
[kUpb_FieldType_String] = _upb_mapsorter_cmpstr,
[kUpb_FieldType_Bytes] = _upb_mapsorter_cmpstr,
};
static bool _upb_mapsorter_resize(_upb_mapsorter* s, _upb_sortedmap* sorted,
int size) {
sorted->start = s->size;
sorted->pos = sorted->start;
sorted->end = sorted->start + size;
if (sorted->end > s->cap) {
s->cap = upb_Log2CeilingSize(sorted->end);
s->entries = realloc(s->entries, s->cap * sizeof(*s->entries));
if (!s->entries) return false;
}
s->size = sorted->end;
return true;
}
bool _upb_mapsorter_pushmap(_upb_mapsorter* s, upb_FieldType key_type,
const upb_Map* map, _upb_sortedmap* sorted) {
int map_size = _upb_Map_Size(map);
if (!_upb_mapsorter_resize(s, sorted, map_size)) return false;
// Copy non-empty entries from the table to s->entries.
const void** dst = &s->entries[sorted->start];
const upb_tabent* src = map->table.t.entries;
const upb_tabent* end = src + upb_table_size(&map->table.t);
for (; src < end; src++) {
if (!upb_tabent_isempty(src)) {
*dst = src;
dst++;
}
}
UPB_ASSERT(dst == &s->entries[sorted->end]);
// Sort entries according to the key type.
qsort(&s->entries[sorted->start], map_size, sizeof(*s->entries),
compar[key_type]);
return true;
}
static int _upb_mapsorter_cmpext(const void* _a, const void* _b) {
const upb_Message_Extension* const* a = _a;
const upb_Message_Extension* const* b = _b;
uint32_t a_num = (*a)->ext->field.number;
uint32_t b_num = (*b)->ext->field.number;
assert(a_num != b_num);
return a_num < b_num ? -1 : 1;
}
bool _upb_mapsorter_pushexts(_upb_mapsorter* s,
const upb_Message_Extension* exts, size_t count,
_upb_sortedmap* sorted) {
if (!_upb_mapsorter_resize(s, sorted, count)) return false;
for (size_t i = 0; i < count; i++) {
s->entries[sorted->start + i] = &exts[i];
}
qsort(&s->entries[sorted->start], count, sizeof(*s->entries),
_upb_mapsorter_cmpext);
return true;
}
/* This file was generated by upbc (the upb compiler) from the input
* file:
*
* google/protobuf/descriptor.proto
*
* Do not edit -- your changes will be discarded when the file is
* regenerated. */
#include <stddef.h>
// Must be last.
static const upb_MiniTableSub google_protobuf_FileDescriptorSet_submsgs[1] = {
{.submsg = &google_protobuf_FileDescriptorProto_msg_init},
};
static const upb_MiniTableField google_protobuf_FileDescriptorSet__fields[1] = {
{1, 0, 0, 0, 11, (int)kUpb_FieldMode_Array | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
};
const upb_MiniTable google_protobuf_FileDescriptorSet_msg_init = {
&google_protobuf_FileDescriptorSet_submsgs[0],
&google_protobuf_FileDescriptorSet__fields[0],
8, 1, kUpb_ExtMode_NonExtendable, 1, UPB_FASTTABLE_MASK(8), 0,
UPB_FASTTABLE_INIT({
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x000000003f00000a, &upb_prm_1bt_max192b},
})
};
static const upb_MiniTableSub google_protobuf_FileDescriptorProto_submsgs[6] = {
{.submsg = &google_protobuf_DescriptorProto_msg_init},
{.submsg = &google_protobuf_EnumDescriptorProto_msg_init},
{.submsg = &google_protobuf_ServiceDescriptorProto_msg_init},
{.submsg = &google_protobuf_FieldDescriptorProto_msg_init},
{.submsg = &google_protobuf_FileOptions_msg_init},
{.submsg = &google_protobuf_SourceCodeInfo_msg_init},
};
static const upb_MiniTableField google_protobuf_FileDescriptorProto__fields[13] = {
{1, UPB_SIZE(40, 8), 1, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
{2, UPB_SIZE(48, 24), 2, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
{3, UPB_SIZE(4, 40), 0, kUpb_NoSub, 12, (int)kUpb_FieldMode_Array | (int)kUpb_LabelFlags_IsAlternate | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{4, UPB_SIZE(8, 48), 0, 0, 11, (int)kUpb_FieldMode_Array | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{5, UPB_SIZE(12, 56), 0, 1, 11, (int)kUpb_FieldMode_Array | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{6, UPB_SIZE(16, 64), 0, 2, 11, (int)kUpb_FieldMode_Array | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{7, UPB_SIZE(20, 72), 0, 3, 11, (int)kUpb_FieldMode_Array | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{8, UPB_SIZE(24, 80), 3, 4, 11, (int)kUpb_FieldMode_Scalar | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{9, UPB_SIZE(28, 88), 4, 5, 11, (int)kUpb_FieldMode_Scalar | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{10, UPB_SIZE(32, 96), 0, kUpb_NoSub, 5, (int)kUpb_FieldMode_Array | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{11, UPB_SIZE(36, 104), 0, kUpb_NoSub, 5, (int)kUpb_FieldMode_Array | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{12, UPB_SIZE(56, 112), 5, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
{13, UPB_SIZE(64, 128), 6, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
};
const upb_MiniTable google_protobuf_FileDescriptorProto_msg_init = {
&google_protobuf_FileDescriptorProto_submsgs[0],
&google_protobuf_FileDescriptorProto__fields[0],
UPB_SIZE(72, 144), 13, kUpb_ExtMode_NonExtendable, 13, UPB_FASTTABLE_MASK(120), 0,
UPB_FASTTABLE_INIT({
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x000800000100000a, &upb_pss_1bt},
{0x0018000002000012, &upb_pss_1bt},
{0x002800003f00001a, &upb_prs_1bt},
{0x003000003f000022, &upb_prm_1bt_max128b},
{0x003800003f01002a, &upb_prm_1bt_max64b},
{0x004000003f020032, &upb_prm_1bt_max64b},
{0x004800003f03003a, &upb_prm_1bt_max128b},
{0x0050000003040042, &upb_psm_1bt_max256b},
{0x005800000405004a, &upb_psm_1bt_max64b},
{0x006000003f000050, &upb_prv4_1bt},
{0x006800003f000058, &upb_prv4_1bt},
{0x0070000005000062, &upb_pss_1bt},
{0x008000000600006a, &upb_pss_1bt},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
})
};
static const upb_MiniTableSub google_protobuf_DescriptorProto_submsgs[8] = {
{.submsg = &google_protobuf_FieldDescriptorProto_msg_init},
{.submsg = &google_protobuf_DescriptorProto_msg_init},
{.submsg = &google_protobuf_EnumDescriptorProto_msg_init},
{.submsg = &google_protobuf_DescriptorProto_ExtensionRange_msg_init},
{.submsg = &google_protobuf_FieldDescriptorProto_msg_init},
{.submsg = &google_protobuf_MessageOptions_msg_init},
{.submsg = &google_protobuf_OneofDescriptorProto_msg_init},
{.submsg = &google_protobuf_DescriptorProto_ReservedRange_msg_init},
};
static const upb_MiniTableField google_protobuf_DescriptorProto__fields[10] = {
{1, UPB_SIZE(40, 8), 1, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
{2, UPB_SIZE(4, 24), 0, 0, 11, (int)kUpb_FieldMode_Array | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{3, UPB_SIZE(8, 32), 0, 1, 11, (int)kUpb_FieldMode_Array | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{4, UPB_SIZE(12, 40), 0, 2, 11, (int)kUpb_FieldMode_Array | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{5, UPB_SIZE(16, 48), 0, 3, 11, (int)kUpb_FieldMode_Array | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{6, UPB_SIZE(20, 56), 0, 4, 11, (int)kUpb_FieldMode_Array | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{7, UPB_SIZE(24, 64), 2, 5, 11, (int)kUpb_FieldMode_Scalar | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{8, UPB_SIZE(28, 72), 0, 6, 11, (int)kUpb_FieldMode_Array | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{9, UPB_SIZE(32, 80), 0, 7, 11, (int)kUpb_FieldMode_Array | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{10, UPB_SIZE(36, 88), 0, kUpb_NoSub, 12, (int)kUpb_FieldMode_Array | (int)kUpb_LabelFlags_IsAlternate | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
};
const upb_MiniTable google_protobuf_DescriptorProto_msg_init = {
&google_protobuf_DescriptorProto_submsgs[0],
&google_protobuf_DescriptorProto__fields[0],
UPB_SIZE(48, 96), 10, kUpb_ExtMode_NonExtendable, 10, UPB_FASTTABLE_MASK(120), 0,
UPB_FASTTABLE_INIT({
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x000800000100000a, &upb_pss_1bt},
{0x001800003f000012, &upb_prm_1bt_max128b},
{0x002000003f01001a, &upb_prm_1bt_max128b},
{0x002800003f020022, &upb_prm_1bt_max64b},
{0x003000003f03002a, &upb_prm_1bt_max64b},
{0x003800003f040032, &upb_prm_1bt_max128b},
{0x004000000205003a, &upb_psm_1bt_max64b},
{0x004800003f060042, &upb_prm_1bt_max64b},
{0x005000003f07004a, &upb_prm_1bt_max64b},
{0x005800003f000052, &upb_prs_1bt},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
})
};
static const upb_MiniTableSub google_protobuf_DescriptorProto_ExtensionRange_submsgs[1] = {
{.submsg = &google_protobuf_ExtensionRangeOptions_msg_init},
};
static const upb_MiniTableField google_protobuf_DescriptorProto_ExtensionRange__fields[3] = {
{1, 4, 1, kUpb_NoSub, 5, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_4Byte << kUpb_FieldRep_Shift)},
{2, 8, 2, kUpb_NoSub, 5, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_4Byte << kUpb_FieldRep_Shift)},
{3, UPB_SIZE(12, 16), 3, 0, 11, (int)kUpb_FieldMode_Scalar | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
};
const upb_MiniTable google_protobuf_DescriptorProto_ExtensionRange_msg_init = {
&google_protobuf_DescriptorProto_ExtensionRange_submsgs[0],
&google_protobuf_DescriptorProto_ExtensionRange__fields[0],
UPB_SIZE(16, 24), 3, kUpb_ExtMode_NonExtendable, 3, UPB_FASTTABLE_MASK(24), 0,
UPB_FASTTABLE_INIT({
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0004000001000008, &upb_psv4_1bt},
{0x0008000002000010, &upb_psv4_1bt},
{0x001000000300001a, &upb_psm_1bt_max64b},
})
};
static const upb_MiniTableField google_protobuf_DescriptorProto_ReservedRange__fields[2] = {
{1, 4, 1, kUpb_NoSub, 5, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_4Byte << kUpb_FieldRep_Shift)},
{2, 8, 2, kUpb_NoSub, 5, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_4Byte << kUpb_FieldRep_Shift)},
};
const upb_MiniTable google_protobuf_DescriptorProto_ReservedRange_msg_init = {
NULL,
&google_protobuf_DescriptorProto_ReservedRange__fields[0],
16, 2, kUpb_ExtMode_NonExtendable, 2, UPB_FASTTABLE_MASK(24), 0,
UPB_FASTTABLE_INIT({
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0004000001000008, &upb_psv4_1bt},
{0x0008000002000010, &upb_psv4_1bt},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
})
};
static const upb_MiniTableSub google_protobuf_ExtensionRangeOptions_submsgs[4] = {
{.submsg = &google_protobuf_ExtensionRangeOptions_Declaration_msg_init},
{.submsg = &google_protobuf_FeatureSet_msg_init},
{.submsg = &google_protobuf_UninterpretedOption_msg_init},
{.subenum = &google_protobuf_ExtensionRangeOptions_VerificationState_enum_init},
};
static const upb_MiniTableField google_protobuf_ExtensionRangeOptions__fields[4] = {
{2, UPB_SIZE(4, 8), 0, 0, 11, (int)kUpb_FieldMode_Array | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{3, UPB_SIZE(8, 4), 1, 3, 14, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_4Byte << kUpb_FieldRep_Shift)},
{50, UPB_SIZE(12, 16), 2, 1, 11, (int)kUpb_FieldMode_Scalar | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{999, UPB_SIZE(16, 24), 0, 2, 11, (int)kUpb_FieldMode_Array | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
};
const upb_MiniTable google_protobuf_ExtensionRangeOptions_msg_init = {
&google_protobuf_ExtensionRangeOptions_submsgs[0],
&google_protobuf_ExtensionRangeOptions__fields[0],
UPB_SIZE(24, 32), 4, kUpb_ExtMode_Extendable, 0, UPB_FASTTABLE_MASK(248), 0,
UPB_FASTTABLE_INIT({
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x000800003f000012, &upb_prm_1bt_max64b},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0010000002010392, &upb_psm_2bt_max64b},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x001800003f023eba, &upb_prm_2bt_max128b},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
})
};
static const upb_MiniTableField google_protobuf_ExtensionRangeOptions_Declaration__fields[6] = {
{1, 4, 1, kUpb_NoSub, 5, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_4Byte << kUpb_FieldRep_Shift)},
{2, UPB_SIZE(12, 16), 2, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
{3, UPB_SIZE(20, 32), 3, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
{4, 8, 4, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
{5, 9, 5, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
{6, 10, 6, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
};
const upb_MiniTable google_protobuf_ExtensionRangeOptions_Declaration_msg_init = {
NULL,
&google_protobuf_ExtensionRangeOptions_Declaration__fields[0],
UPB_SIZE(32, 48), 6, kUpb_ExtMode_NonExtendable, 6, UPB_FASTTABLE_MASK(56), 0,
UPB_FASTTABLE_INIT({
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0004000001000008, &upb_psv4_1bt},
{0x0010000002000012, &upb_pss_1bt},
{0x002000000300001a, &upb_pss_1bt},
{0x0008000004000020, &upb_psb1_1bt},
{0x0009000005000028, &upb_psb1_1bt},
{0x000a000006000030, &upb_psb1_1bt},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
})
};
static const upb_MiniTableSub google_protobuf_FieldDescriptorProto_submsgs[3] = {
{.submsg = &google_protobuf_FieldOptions_msg_init},
{.subenum = &google_protobuf_FieldDescriptorProto_Label_enum_init},
{.subenum = &google_protobuf_FieldDescriptorProto_Type_enum_init},
};
static const upb_MiniTableField google_protobuf_FieldDescriptorProto__fields[11] = {
{1, UPB_SIZE(28, 24), 1, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
{2, UPB_SIZE(36, 40), 2, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
{3, 4, 3, kUpb_NoSub, 5, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_4Byte << kUpb_FieldRep_Shift)},
{4, 8, 4, 1, 14, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_4Byte << kUpb_FieldRep_Shift)},
{5, 12, 5, 2, 14, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_4Byte << kUpb_FieldRep_Shift)},
{6, UPB_SIZE(44, 56), 6, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
{7, UPB_SIZE(52, 72), 7, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
{8, UPB_SIZE(16, 88), 8, 0, 11, (int)kUpb_FieldMode_Scalar | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{9, UPB_SIZE(20, 16), 9, kUpb_NoSub, 5, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_4Byte << kUpb_FieldRep_Shift)},
{10, UPB_SIZE(60, 96), 10, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
{17, UPB_SIZE(24, 20), 11, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
};
const upb_MiniTable google_protobuf_FieldDescriptorProto_msg_init = {
&google_protobuf_FieldDescriptorProto_submsgs[0],
&google_protobuf_FieldDescriptorProto__fields[0],
UPB_SIZE(72, 112), 11, kUpb_ExtMode_NonExtendable, 10, UPB_FASTTABLE_MASK(248), 0,
UPB_FASTTABLE_INIT({
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x001800000100000a, &upb_pss_1bt},
{0x0028000002000012, &upb_pss_1bt},
{0x0004000003000018, &upb_psv4_1bt},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0038000006000032, &upb_pss_1bt},
{0x004800000700003a, &upb_pss_1bt},
{0x0058000008000042, &upb_psm_1bt_max128b},
{0x0010000009000048, &upb_psv4_1bt},
{0x006000000a000052, &upb_pss_1bt},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x001400000b000188, &upb_psb1_2bt},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
})
};
static const upb_MiniTableSub google_protobuf_OneofDescriptorProto_submsgs[1] = {
{.submsg = &google_protobuf_OneofOptions_msg_init},
};
static const upb_MiniTableField google_protobuf_OneofDescriptorProto__fields[2] = {
{1, 8, 1, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
{2, UPB_SIZE(4, 24), 2, 0, 11, (int)kUpb_FieldMode_Scalar | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
};
const upb_MiniTable google_protobuf_OneofDescriptorProto_msg_init = {
&google_protobuf_OneofDescriptorProto_submsgs[0],
&google_protobuf_OneofDescriptorProto__fields[0],
UPB_SIZE(16, 32), 2, kUpb_ExtMode_NonExtendable, 2, UPB_FASTTABLE_MASK(24), 0,
UPB_FASTTABLE_INIT({
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x000800000100000a, &upb_pss_1bt},
{0x0018000002000012, &upb_psm_1bt_max64b},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
})
};
static const upb_MiniTableSub google_protobuf_EnumDescriptorProto_submsgs[3] = {
{.submsg = &google_protobuf_EnumValueDescriptorProto_msg_init},
{.submsg = &google_protobuf_EnumOptions_msg_init},
{.submsg = &google_protobuf_EnumDescriptorProto_EnumReservedRange_msg_init},
};
static const upb_MiniTableField google_protobuf_EnumDescriptorProto__fields[5] = {
{1, UPB_SIZE(20, 8), 1, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
{2, UPB_SIZE(4, 24), 0, 0, 11, (int)kUpb_FieldMode_Array | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{3, UPB_SIZE(8, 32), 2, 1, 11, (int)kUpb_FieldMode_Scalar | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{4, UPB_SIZE(12, 40), 0, 2, 11, (int)kUpb_FieldMode_Array | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{5, UPB_SIZE(16, 48), 0, kUpb_NoSub, 12, (int)kUpb_FieldMode_Array | (int)kUpb_LabelFlags_IsAlternate | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
};
const upb_MiniTable google_protobuf_EnumDescriptorProto_msg_init = {
&google_protobuf_EnumDescriptorProto_submsgs[0],
&google_protobuf_EnumDescriptorProto__fields[0],
UPB_SIZE(32, 56), 5, kUpb_ExtMode_NonExtendable, 5, UPB_FASTTABLE_MASK(56), 0,
UPB_FASTTABLE_INIT({
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x000800000100000a, &upb_pss_1bt},
{0x001800003f000012, &upb_prm_1bt_max64b},
{0x002000000201001a, &upb_psm_1bt_max64b},
{0x002800003f020022, &upb_prm_1bt_max64b},
{0x003000003f00002a, &upb_prs_1bt},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
})
};
static const upb_MiniTableField google_protobuf_EnumDescriptorProto_EnumReservedRange__fields[2] = {
{1, 4, 1, kUpb_NoSub, 5, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_4Byte << kUpb_FieldRep_Shift)},
{2, 8, 2, kUpb_NoSub, 5, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_4Byte << kUpb_FieldRep_Shift)},
};
const upb_MiniTable google_protobuf_EnumDescriptorProto_EnumReservedRange_msg_init = {
NULL,
&google_protobuf_EnumDescriptorProto_EnumReservedRange__fields[0],
16, 2, kUpb_ExtMode_NonExtendable, 2, UPB_FASTTABLE_MASK(24), 0,
UPB_FASTTABLE_INIT({
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0004000001000008, &upb_psv4_1bt},
{0x0008000002000010, &upb_psv4_1bt},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
})
};
static const upb_MiniTableSub google_protobuf_EnumValueDescriptorProto_submsgs[1] = {
{.submsg = &google_protobuf_EnumValueOptions_msg_init},
};
static const upb_MiniTableField google_protobuf_EnumValueDescriptorProto__fields[3] = {
{1, UPB_SIZE(12, 8), 1, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
{2, 4, 2, kUpb_NoSub, 5, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_4Byte << kUpb_FieldRep_Shift)},
{3, UPB_SIZE(8, 24), 3, 0, 11, (int)kUpb_FieldMode_Scalar | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
};
const upb_MiniTable google_protobuf_EnumValueDescriptorProto_msg_init = {
&google_protobuf_EnumValueDescriptorProto_submsgs[0],
&google_protobuf_EnumValueDescriptorProto__fields[0],
UPB_SIZE(24, 32), 3, kUpb_ExtMode_NonExtendable, 3, UPB_FASTTABLE_MASK(24), 0,
UPB_FASTTABLE_INIT({
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x000800000100000a, &upb_pss_1bt},
{0x0004000002000010, &upb_psv4_1bt},
{0x001800000300001a, &upb_psm_1bt_max64b},
})
};
static const upb_MiniTableSub google_protobuf_ServiceDescriptorProto_submsgs[2] = {
{.submsg = &google_protobuf_MethodDescriptorProto_msg_init},
{.submsg = &google_protobuf_ServiceOptions_msg_init},
};
static const upb_MiniTableField google_protobuf_ServiceDescriptorProto__fields[3] = {
{1, UPB_SIZE(12, 8), 1, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
{2, UPB_SIZE(4, 24), 0, 0, 11, (int)kUpb_FieldMode_Array | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{3, UPB_SIZE(8, 32), 2, 1, 11, (int)kUpb_FieldMode_Scalar | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
};
const upb_MiniTable google_protobuf_ServiceDescriptorProto_msg_init = {
&google_protobuf_ServiceDescriptorProto_submsgs[0],
&google_protobuf_ServiceDescriptorProto__fields[0],
UPB_SIZE(24, 40), 3, kUpb_ExtMode_NonExtendable, 3, UPB_FASTTABLE_MASK(24), 0,
UPB_FASTTABLE_INIT({
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x000800000100000a, &upb_pss_1bt},
{0x001800003f000012, &upb_prm_1bt_max128b},
{0x002000000201001a, &upb_psm_1bt_max64b},
})
};
static const upb_MiniTableSub google_protobuf_MethodDescriptorProto_submsgs[1] = {
{.submsg = &google_protobuf_MethodOptions_msg_init},
};
static const upb_MiniTableField google_protobuf_MethodDescriptorProto__fields[6] = {
{1, UPB_SIZE(12, 8), 1, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
{2, UPB_SIZE(20, 24), 2, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
{3, UPB_SIZE(28, 40), 3, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
{4, UPB_SIZE(4, 56), 4, 0, 11, (int)kUpb_FieldMode_Scalar | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{5, UPB_SIZE(8, 1), 5, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
{6, UPB_SIZE(9, 2), 6, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
};
const upb_MiniTable google_protobuf_MethodDescriptorProto_msg_init = {
&google_protobuf_MethodDescriptorProto_submsgs[0],
&google_protobuf_MethodDescriptorProto__fields[0],
UPB_SIZE(40, 64), 6, kUpb_ExtMode_NonExtendable, 6, UPB_FASTTABLE_MASK(56), 0,
UPB_FASTTABLE_INIT({
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x000800000100000a, &upb_pss_1bt},
{0x0018000002000012, &upb_pss_1bt},
{0x002800000300001a, &upb_pss_1bt},
{0x0038000004000022, &upb_psm_1bt_max64b},
{0x0001000005000028, &upb_psb1_1bt},
{0x0002000006000030, &upb_psb1_1bt},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
})
};
static const upb_MiniTableSub google_protobuf_FileOptions_submsgs[3] = {
{.submsg = &google_protobuf_FeatureSet_msg_init},
{.submsg = &google_protobuf_UninterpretedOption_msg_init},
{.subenum = &google_protobuf_FileOptions_OptimizeMode_enum_init},
};
static const upb_MiniTableField google_protobuf_FileOptions__fields[22] = {
{1, UPB_SIZE(28, 24), 1, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
{8, UPB_SIZE(36, 40), 2, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
{9, 4, 3, 2, 14, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_4Byte << kUpb_FieldRep_Shift)},
{10, 8, 4, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
{11, UPB_SIZE(44, 56), 5, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
{16, 9, 6, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
{17, 10, 7, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
{18, 11, 8, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
{20, 12, 9, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
{23, 13, 10, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
{27, 14, 11, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
{31, 15, 12, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
{36, UPB_SIZE(52, 72), 13, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
{37, UPB_SIZE(60, 88), 14, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
{39, UPB_SIZE(68, 104), 15, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
{40, UPB_SIZE(76, 120), 16, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
{41, UPB_SIZE(84, 136), 17, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
{42, 16, 18, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
{44, UPB_SIZE(92, 152), 19, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
{45, UPB_SIZE(100, 168), 20, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
{50, UPB_SIZE(20, 184), 21, 0, 11, (int)kUpb_FieldMode_Scalar | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{999, UPB_SIZE(24, 192), 0, 1, 11, (int)kUpb_FieldMode_Array | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
};
const upb_MiniTable google_protobuf_FileOptions_msg_init = {
&google_protobuf_FileOptions_submsgs[0],
&google_protobuf_FileOptions__fields[0],
UPB_SIZE(112, 200), 22, kUpb_ExtMode_Extendable, 1, UPB_FASTTABLE_MASK(248), 0,
UPB_FASTTABLE_INIT({
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x001800000100000a, &upb_pss_1bt},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0028000002000042, &upb_pss_1bt},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0008000004000050, &upb_psb1_1bt},
{0x003800000500005a, &upb_pss_1bt},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0009000006000180, &upb_psb1_2bt},
{0x000a000007000188, &upb_psb1_2bt},
{0x000b000008000190, &upb_psb1_2bt},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x000c0000090001a0, &upb_psb1_2bt},
{0x005800000e0002aa, &upb_pss_2bt},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x000d00000a0001b8, &upb_psb1_2bt},
{0x00780000100002c2, &upb_pss_2bt},
{0x00880000110002ca, &upb_pss_2bt},
{0x00100000120002d0, &upb_psb1_2bt},
{0x000e00000b0001d8, &upb_psb1_2bt},
{0x00980000130002e2, &upb_pss_2bt},
{0x00a80000140002ea, &upb_pss_2bt},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x000f00000c0001f8, &upb_psb1_2bt},
})
};
static const upb_MiniTableSub google_protobuf_MessageOptions_submsgs[2] = {
{.submsg = &google_protobuf_FeatureSet_msg_init},
{.submsg = &google_protobuf_UninterpretedOption_msg_init},
};
static const upb_MiniTableField google_protobuf_MessageOptions__fields[7] = {
{1, 1, 1, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
{2, 2, 2, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
{3, 3, 3, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
{7, 4, 4, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
{11, 5, 5, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
{12, 8, 6, 0, 11, (int)kUpb_FieldMode_Scalar | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{999, UPB_SIZE(12, 16), 0, 1, 11, (int)kUpb_FieldMode_Array | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
};
const upb_MiniTable google_protobuf_MessageOptions_msg_init = {
&google_protobuf_MessageOptions_submsgs[0],
&google_protobuf_MessageOptions__fields[0],
UPB_SIZE(16, 24), 7, kUpb_ExtMode_Extendable, 3, UPB_FASTTABLE_MASK(248), 0,
UPB_FASTTABLE_INIT({
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0001000001000008, &upb_psb1_1bt},
{0x0002000002000010, &upb_psb1_1bt},
{0x0003000003000018, &upb_psb1_1bt},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0004000004000038, &upb_psb1_1bt},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0005000005000058, &upb_psb1_1bt},
{0x0008000006000062, &upb_psm_1bt_max64b},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x001000003f013eba, &upb_prm_2bt_max128b},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
})
};
static const upb_MiniTableSub google_protobuf_FieldOptions_submsgs[8] = {
{.submsg = &google_protobuf_FieldOptions_EditionDefault_msg_init},
{.submsg = &google_protobuf_FeatureSet_msg_init},
{.submsg = &google_protobuf_UninterpretedOption_msg_init},
{.subenum = &google_protobuf_FieldOptions_CType_enum_init},
{.subenum = &google_protobuf_FieldOptions_JSType_enum_init},
{.subenum = &google_protobuf_FieldOptions_OptionRetention_enum_init},
{.subenum = &google_protobuf_FieldOptions_OptionTargetType_enum_init},
{.subenum = &google_protobuf_FieldOptions_OptionTargetType_enum_init},
};
static const upb_MiniTableField google_protobuf_FieldOptions__fields[14] = {
{1, 4, 1, 3, 14, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_4Byte << kUpb_FieldRep_Shift)},
{2, 8, 2, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
{3, 9, 3, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
{5, 10, 4, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
{6, 12, 5, 4, 14, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_4Byte << kUpb_FieldRep_Shift)},
{10, 16, 6, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
{15, 17, 7, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
{16, 18, 8, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
{17, 20, 9, 5, 14, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_4Byte << kUpb_FieldRep_Shift)},
{18, 24, 10, 6, 14, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_4Byte << kUpb_FieldRep_Shift)},
{19, UPB_SIZE(28, 32), 0, 7, 14, (int)kUpb_FieldMode_Array | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{20, UPB_SIZE(32, 40), 0, 0, 11, (int)kUpb_FieldMode_Array | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{21, UPB_SIZE(36, 48), 11, 1, 11, (int)kUpb_FieldMode_Scalar | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{999, UPB_SIZE(40, 56), 0, 2, 11, (int)kUpb_FieldMode_Array | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
};
const upb_MiniTable google_protobuf_FieldOptions_msg_init = {
&google_protobuf_FieldOptions_submsgs[0],
&google_protobuf_FieldOptions__fields[0],
UPB_SIZE(48, 64), 14, kUpb_ExtMode_Extendable, 3, UPB_FASTTABLE_MASK(248), 0,
UPB_FASTTABLE_INIT({
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0008000002000010, &upb_psb1_1bt},
{0x0009000003000018, &upb_psb1_1bt},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x000a000004000028, &upb_psb1_1bt},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0010000006000050, &upb_psb1_1bt},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0011000007000078, &upb_psb1_1bt},
{0x0012000008000180, &upb_psb1_2bt},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x002800003f0001a2, &upb_prm_2bt_max64b},
{0x003000000b0101aa, &upb_psm_2bt_max64b},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x003800003f023eba, &upb_prm_2bt_max128b},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
})
};
static const upb_MiniTableField google_protobuf_FieldOptions_EditionDefault__fields[2] = {
{1, UPB_SIZE(4, 8), 1, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
{2, UPB_SIZE(12, 24), 2, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
};
const upb_MiniTable google_protobuf_FieldOptions_EditionDefault_msg_init = {
NULL,
&google_protobuf_FieldOptions_EditionDefault__fields[0],
UPB_SIZE(24, 40), 2, kUpb_ExtMode_NonExtendable, 2, UPB_FASTTABLE_MASK(24), 0,
UPB_FASTTABLE_INIT({
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x000800000100000a, &upb_pss_1bt},
{0x0018000002000012, &upb_pss_1bt},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
})
};
static const upb_MiniTableSub google_protobuf_OneofOptions_submsgs[2] = {
{.submsg = &google_protobuf_FeatureSet_msg_init},
{.submsg = &google_protobuf_UninterpretedOption_msg_init},
};
static const upb_MiniTableField google_protobuf_OneofOptions__fields[2] = {
{1, UPB_SIZE(4, 8), 1, 0, 11, (int)kUpb_FieldMode_Scalar | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{999, UPB_SIZE(8, 16), 0, 1, 11, (int)kUpb_FieldMode_Array | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
};
const upb_MiniTable google_protobuf_OneofOptions_msg_init = {
&google_protobuf_OneofOptions_submsgs[0],
&google_protobuf_OneofOptions__fields[0],
UPB_SIZE(16, 24), 2, kUpb_ExtMode_Extendable, 1, UPB_FASTTABLE_MASK(248), 0,
UPB_FASTTABLE_INIT({
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x000800000100000a, &upb_psm_1bt_max64b},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x001000003f013eba, &upb_prm_2bt_max128b},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
})
};
static const upb_MiniTableSub google_protobuf_EnumOptions_submsgs[2] = {
{.submsg = &google_protobuf_FeatureSet_msg_init},
{.submsg = &google_protobuf_UninterpretedOption_msg_init},
};
static const upb_MiniTableField google_protobuf_EnumOptions__fields[5] = {
{2, 1, 1, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
{3, 2, 2, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
{6, 3, 3, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
{7, UPB_SIZE(4, 8), 4, 0, 11, (int)kUpb_FieldMode_Scalar | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{999, UPB_SIZE(8, 16), 0, 1, 11, (int)kUpb_FieldMode_Array | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
};
const upb_MiniTable google_protobuf_EnumOptions_msg_init = {
&google_protobuf_EnumOptions_submsgs[0],
&google_protobuf_EnumOptions__fields[0],
UPB_SIZE(16, 24), 5, kUpb_ExtMode_Extendable, 0, UPB_FASTTABLE_MASK(248), 0,
UPB_FASTTABLE_INIT({
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0001000001000010, &upb_psb1_1bt},
{0x0002000002000018, &upb_psb1_1bt},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0003000003000030, &upb_psb1_1bt},
{0x000800000400003a, &upb_psm_1bt_max64b},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x001000003f013eba, &upb_prm_2bt_max128b},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
})
};
static const upb_MiniTableSub google_protobuf_EnumValueOptions_submsgs[2] = {
{.submsg = &google_protobuf_FeatureSet_msg_init},
{.submsg = &google_protobuf_UninterpretedOption_msg_init},
};
static const upb_MiniTableField google_protobuf_EnumValueOptions__fields[4] = {
{1, 1, 1, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
{2, UPB_SIZE(4, 8), 2, 0, 11, (int)kUpb_FieldMode_Scalar | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{3, UPB_SIZE(8, 2), 3, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
{999, UPB_SIZE(12, 16), 0, 1, 11, (int)kUpb_FieldMode_Array | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
};
const upb_MiniTable google_protobuf_EnumValueOptions_msg_init = {
&google_protobuf_EnumValueOptions_submsgs[0],
&google_protobuf_EnumValueOptions__fields[0],
UPB_SIZE(16, 24), 4, kUpb_ExtMode_Extendable, 3, UPB_FASTTABLE_MASK(248), 0,
UPB_FASTTABLE_INIT({
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0001000001000008, &upb_psb1_1bt},
{0x0008000002000012, &upb_psm_1bt_max64b},
{0x0002000003000018, &upb_psb1_1bt},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x001000003f013eba, &upb_prm_2bt_max128b},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
})
};
static const upb_MiniTableSub google_protobuf_ServiceOptions_submsgs[2] = {
{.submsg = &google_protobuf_FeatureSet_msg_init},
{.submsg = &google_protobuf_UninterpretedOption_msg_init},
};
static const upb_MiniTableField google_protobuf_ServiceOptions__fields[3] = {
{33, 1, 1, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
{34, UPB_SIZE(4, 8), 2, 0, 11, (int)kUpb_FieldMode_Scalar | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{999, UPB_SIZE(8, 16), 0, 1, 11, (int)kUpb_FieldMode_Array | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
};
const upb_MiniTable google_protobuf_ServiceOptions_msg_init = {
&google_protobuf_ServiceOptions_submsgs[0],
&google_protobuf_ServiceOptions__fields[0],
UPB_SIZE(16, 24), 3, kUpb_ExtMode_Extendable, 0, UPB_FASTTABLE_MASK(248), 0,
UPB_FASTTABLE_INIT({
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0001000001000288, &upb_psb1_2bt},
{0x0008000002000292, &upb_psm_2bt_max64b},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x001000003f013eba, &upb_prm_2bt_max128b},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
})
};
static const upb_MiniTableSub google_protobuf_MethodOptions_submsgs[3] = {
{.submsg = &google_protobuf_FeatureSet_msg_init},
{.submsg = &google_protobuf_UninterpretedOption_msg_init},
{.subenum = &google_protobuf_MethodOptions_IdempotencyLevel_enum_init},
};
static const upb_MiniTableField google_protobuf_MethodOptions__fields[4] = {
{33, 1, 1, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
{34, 4, 2, 2, 14, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_4Byte << kUpb_FieldRep_Shift)},
{35, 8, 3, 0, 11, (int)kUpb_FieldMode_Scalar | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{999, UPB_SIZE(12, 16), 0, 1, 11, (int)kUpb_FieldMode_Array | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
};
const upb_MiniTable google_protobuf_MethodOptions_msg_init = {
&google_protobuf_MethodOptions_submsgs[0],
&google_protobuf_MethodOptions__fields[0],
UPB_SIZE(16, 24), 4, kUpb_ExtMode_Extendable, 0, UPB_FASTTABLE_MASK(248), 0,
UPB_FASTTABLE_INIT({
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0001000001000288, &upb_psb1_2bt},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x000800000300029a, &upb_psm_2bt_max64b},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x001000003f013eba, &upb_prm_2bt_max128b},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
})
};
static const upb_MiniTableSub google_protobuf_UninterpretedOption_submsgs[1] = {
{.submsg = &google_protobuf_UninterpretedOption_NamePart_msg_init},
};
static const upb_MiniTableField google_protobuf_UninterpretedOption__fields[7] = {
{2, UPB_SIZE(4, 8), 0, 0, 11, (int)kUpb_FieldMode_Array | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
{3, UPB_SIZE(8, 16), 1, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
{4, UPB_SIZE(16, 32), 2, kUpb_NoSub, 4, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_8Byte << kUpb_FieldRep_Shift)},
{5, UPB_SIZE(24, 40), 3, kUpb_NoSub, 3, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_8Byte << kUpb_FieldRep_Shift)},
{6, UPB_SIZE(32, 48), 4, kUpb_NoSub, 1, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_8Byte << kUpb_FieldRep_Shift)},
{7, UPB_SIZE(40, 56), 5, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
{8, UPB_SIZE(48, 72), 6, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
};
const upb_MiniTable google_protobuf_UninterpretedOption_msg_init = {
&google_protobuf_UninterpretedOption_submsgs[0],
&google_protobuf_UninterpretedOption__fields[0],
UPB_SIZE(56, 88), 7, kUpb_ExtMode_NonExtendable, 0, UPB_FASTTABLE_MASK(120), 0,
UPB_FASTTABLE_INIT({
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x000800003f000012, &upb_prm_1bt_max64b},
{0x001000000100001a, &upb_pss_1bt},
{0x0020000002000020, &upb_psv8_1bt},
{0x0028000003000028, &upb_psv8_1bt},
{0x0030000004000031, &upb_psf8_1bt},
{0x003800000500003a, &upb_psb_1bt},
{0x0048000006000042, &upb_pss_1bt},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
})
};
static const upb_MiniTableField google_protobuf_UninterpretedOption_NamePart__fields[2] = {
{1, UPB_SIZE(4, 8), 1, kUpb_NoSub, 12, (int)kUpb_FieldMode_Scalar | (int)kUpb_LabelFlags_IsAlternate | ((int)kUpb_FieldRep_StringView << kUpb_FieldRep_Shift)},
{2, 1, 2, kUpb_NoSub, 8, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_1Byte << kUpb_FieldRep_Shift)},
};
const upb_MiniTable google_protobuf_UninterpretedOption_NamePart_msg_init = {
NULL,
&google_protobuf_UninterpretedOption_NamePart__fields[0],
UPB_SIZE(16, 24), 2, kUpb_ExtMode_NonExtendable, 2, UPB_FASTTABLE_MASK(24), 2,
UPB_FASTTABLE_INIT({
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x000800000100000a, &upb_pss_1bt},
{0x0001000002000010, &upb_psb1_1bt},
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
})
};
static const upb_MiniTableSub google_protobuf_FeatureSet_submsgs[6] = {
{.subenum = &google_protobuf_FeatureSet_FieldPresence_enum_init},
{.subenum = &google_protobuf_FeatureSet_EnumType_enum_init},
{.subenum = &google_protobuf_FeatureSet_RepeatedFieldEncoding_enum_init},
{.subenum = &google_protobuf_FeatureSet_StringFieldValidation_enum_init},
{.subenum = &google_protobuf_FeatureSet_MessageEncoding_enum_init},
{.subenum = &google_protobuf_FeatureSet_JsonFormat_enum_init},
};
static const upb_MiniTableField google_protobuf_FeatureSet__fields[6] = {
{1, 4, 1, 0, 14, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_4Byte << kUpb_FieldRep_Shift)},
{2, 8, 2, 1, 14, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_4Byte << kUpb_FieldRep_Shift)},
{3, 12, 3, 2, 14, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_4Byte << kUpb_FieldRep_Shift)},
{4, 16, 4, 3, 14, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_4Byte << kUpb_FieldRep_Shift)},
{5, 20, 5, 4, 14, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_4Byte << kUpb_FieldRep_Shift)},
{6, 24, 6, 5, 14, (int)kUpb_FieldMode_Scalar | ((int)kUpb_FieldRep_4Byte << kUpb_FieldRep_Shift)},
};
const upb_MiniTable google_protobuf_FeatureSet_msg_init = {
&google_protobuf_FeatureSet_submsgs[0],
&google_protobuf_FeatureSet__fields[0],
32, 6, kUpb_ExtMode_Extendable, 6, UPB_FASTTABLE_MASK(255), 0,
};
static const upb_MiniTableSub google_protobuf_SourceCodeInfo_submsgs[1] = {
{.submsg = &google_protobuf_SourceCodeInfo_Location_msg_init},
};
static const upb_MiniTableField google_protobuf_SourceCodeInfo__fields[1] = {
{1, 0, 0, 0, 11, (int)kUpb_FieldMode_Array | ((int)UPB_SIZE(kUpb_FieldRep_4Byte, kUpb_FieldRep_8Byte) << kUpb_FieldRep_Shift)},
};
const upb_MiniTable google_protobuf_SourceCodeInfo_msg_init = {
&google_protobuf_SourceCodeInfo_submsgs[0],
&google_protobuf_SourceCodeInfo__fields[0],
8, 1, kUpb_ExtMode_NonExtendable, 1, UPB_FASTTABLE_MASK(8), 0,
UPB_FASTTABLE_INIT({
{0x0000000000000000, &_upb_FastDecoder_DecodeGeneric},
{0x000000003f00000a, &upb_prm_1bt_max128b},
})
};
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'a', 'l', 'i', 'd', 'a', 't', 'i', 'o', 'n', '\022', '{', '\n', '\020', 'm', 'e', 's', 's', 'a', 'g', 'e', '_', 'e', 'n', 'c', 'o',
'd', 'i', 'n', 'g', '\030', '\005', ' ', '\001', '(', '\016', '2', '+', '.', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'p', 'r', 'o', 't', 'o',
'b', 'u', 'f', '.', 'F', 'e', 'a', 't', 'u', 'r', 'e', 'S', 'e', 't', '.', 'M', 'e', 's', 's', 'a', 'g', 'e', 'E', 'n', 'c',
'o', 'd', 'i', 'n', 'g', 'B', '#', '\210', '\001', '\001', '\230', '\001', '\004', '\230', '\001', '\001', '\242', '\001', '\027', '\n', '\004', '2', '0', '2', '3',
'\022', '\017', 'L', 'E', 'N', 'G', 'T', 'H', '_', 'P', 'R', 'E', 'F', 'I', 'X', 'E', 'D', 'R', '\017', 'm', 'e', 's', 's', 'a', 'g',
'e', 'E', 'n', 'c', 'o', 'd', 'i', 'n', 'g', '\022', 'e', '\n', '\013', 'j', 's', 'o', 'n', '_', 'f', 'o', 'r', 'm', 'a', 't', '\030',
'\006', ' ', '\001', '(', '\016', '2', '&', '.', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '.', 'F',
'e', 'a', 't', 'u', 'r', 'e', 'S', 'e', 't', '.', 'J', 's', 'o', 'n', 'F', 'o', 'r', 'm', 'a', 't', 'B', '\034', '\210', '\001', '\001',
'\230', '\001', '\003', '\230', '\001', '\006', '\230', '\001', '\001', '\242', '\001', '\r', '\n', '\004', '2', '0', '2', '3', '\022', '\005', 'A', 'L', 'L', 'O', 'W',
'R', '\n', 'j', 's', 'o', 'n', 'F', 'o', 'r', 'm', 'a', 't', '\"', '\\', '\n', '\r', 'F', 'i', 'e', 'l', 'd', 'P', 'r', 'e', 's',
'e', 'n', 'c', 'e', '\022', '\032', '\n', '\026', 'F', 'I', 'E', 'L', 'D', '_', 'P', 'R', 'E', 'S', 'E', 'N', 'C', 'E', '_', 'U', 'N',
'K', 'N', 'O', 'W', 'N', '\020', '\000', '\022', '\014', '\n', '\010', 'E', 'X', 'P', 'L', 'I', 'C', 'I', 'T', '\020', '\001', '\022', '\014', '\n', '\010',
'I', 'M', 'P', 'L', 'I', 'C', 'I', 'T', '\020', '\002', '\022', '\023', '\n', '\017', 'L', 'E', 'G', 'A', 'C', 'Y', '_', 'R', 'E', 'Q', 'U',
'I', 'R', 'E', 'D', '\020', '\003', '\"', '7', '\n', '\010', 'E', 'n', 'u', 'm', 'T', 'y', 'p', 'e', '\022', '\025', '\n', '\021', 'E', 'N', 'U',
'M', '_', 'T', 'Y', 'P', 'E', '_', 'U', 'N', 'K', 'N', 'O', 'W', 'N', '\020', '\000', '\022', '\010', '\n', '\004', 'O', 'P', 'E', 'N', '\020',
'\001', '\022', '\n', '\n', '\006', 'C', 'L', 'O', 'S', 'E', 'D', '\020', '\002', '\"', 'V', '\n', '\025', 'R', 'e', 'p', 'e', 'a', 't', 'e', 'd',
'F', 'i', 'e', 'l', 'd', 'E', 'n', 'c', 'o', 'd', 'i', 'n', 'g', '\022', '#', '\n', '\037', 'R', 'E', 'P', 'E', 'A', 'T', 'E', 'D',
'_', 'F', 'I', 'E', 'L', 'D', '_', 'E', 'N', 'C', 'O', 'D', 'I', 'N', 'G', '_', 'U', 'N', 'K', 'N', 'O', 'W', 'N', '\020', '\000',
'\022', '\n', '\n', '\006', 'P', 'A', 'C', 'K', 'E', 'D', '\020', '\001', '\022', '\014', '\n', '\010', 'E', 'X', 'P', 'A', 'N', 'D', 'E', 'D', '\020',
'\002', '\"', '_', '\n', '\025', 'S', 't', 'r', 'i', 'n', 'g', 'F', 'i', 'e', 'l', 'd', 'V', 'a', 'l', 'i', 'd', 'a', 't', 'i', 'o',
'n', '\022', '#', '\n', '\037', 'S', 'T', 'R', 'I', 'N', 'G', '_', 'F', 'I', 'E', 'L', 'D', '_', 'V', 'A', 'L', 'I', 'D', 'A', 'T',
'I', 'O', 'N', '_', 'U', 'N', 'K', 'N', 'O', 'W', 'N', '\020', '\000', '\022', '\r', '\n', '\t', 'M', 'A', 'N', 'D', 'A', 'T', 'O', 'R',
'Y', '\020', '\001', '\022', '\010', '\n', '\004', 'H', 'I', 'N', 'T', '\020', '\002', '\022', '\010', '\n', '\004', 'N', 'O', 'N', 'E', '\020', '\003', '\"', 'S',
'\n', '\017', 'M', 'e', 's', 's', 'a', 'g', 'e', 'E', 'n', 'c', 'o', 'd', 'i', 'n', 'g', '\022', '\034', '\n', '\030', 'M', 'E', 'S', 'S',
'A', 'G', 'E', '_', 'E', 'N', 'C', 'O', 'D', 'I', 'N', 'G', '_', 'U', 'N', 'K', 'N', 'O', 'W', 'N', '\020', '\000', '\022', '\023', '\n',
'\017', 'L', 'E', 'N', 'G', 'T', 'H', '_', 'P', 'R', 'E', 'F', 'I', 'X', 'E', 'D', '\020', '\001', '\022', '\r', '\n', '\t', 'D', 'E', 'L',
'I', 'M', 'I', 'T', 'E', 'D', '\020', '\002', '\"', 'H', '\n', '\n', 'J', 's', 'o', 'n', 'F', 'o', 'r', 'm', 'a', 't', '\022', '\027', '\n',
'\023', 'J', 'S', 'O', 'N', '_', 'F', 'O', 'R', 'M', 'A', 'T', '_', 'U', 'N', 'K', 'N', 'O', 'W', 'N', '\020', '\000', '\022', '\t', '\n',
'\005', 'A', 'L', 'L', 'O', 'W', '\020', '\001', '\022', '\026', '\n', '\022', 'L', 'E', 'G', 'A', 'C', 'Y', '_', 'B', 'E', 'S', 'T', '_', 'E',
'F', 'F', 'O', 'R', 'T', '\020', '\002', '*', '\006', '\010', '\350', '\007', '\020', '\351', '\007', '*', '\006', '\010', '\351', '\007', '\020', '\352', '\007', '*', '\006',
'\010', '\213', 'N', '\020', '\220', 'N', '\"', '\247', '\002', '\n', '\016', 'S', 'o', 'u', 'r', 'c', 'e', 'C', 'o', 'd', 'e', 'I', 'n', 'f', 'o',
'\022', 'D', '\n', '\010', 'l', 'o', 'c', 'a', 't', 'i', 'o', 'n', '\030', '\001', ' ', '\003', '(', '\013', '2', '(', '.', 'g', 'o', 'o', 'g',
'l', 'e', '.', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '.', 'S', 'o', 'u', 'r', 'c', 'e', 'C', 'o', 'd', 'e', 'I', 'n', 'f',
'o', '.', 'L', 'o', 'c', 'a', 't', 'i', 'o', 'n', 'R', '\010', 'l', 'o', 'c', 'a', 't', 'i', 'o', 'n', '\032', '\316', '\001', '\n', '\010',
'L', 'o', 'c', 'a', 't', 'i', 'o', 'n', '\022', '\026', '\n', '\004', 'p', 'a', 't', 'h', '\030', '\001', ' ', '\003', '(', '\005', 'B', '\002', '\020',
'\001', 'R', '\004', 'p', 'a', 't', 'h', '\022', '\026', '\n', '\004', 's', 'p', 'a', 'n', '\030', '\002', ' ', '\003', '(', '\005', 'B', '\002', '\020', '\001',
'R', '\004', 's', 'p', 'a', 'n', '\022', ')', '\n', '\020', 'l', 'e', 'a', 'd', 'i', 'n', 'g', '_', 'c', 'o', 'm', 'm', 'e', 'n', 't',
's', '\030', '\003', ' ', '\001', '(', '\t', 'R', '\017', 'l', 'e', 'a', 'd', 'i', 'n', 'g', 'C', 'o', 'm', 'm', 'e', 'n', 't', 's', '\022',
'+', '\n', '\021', 't', 'r', 'a', 'i', 'l', 'i', 'n', 'g', '_', 'c', 'o', 'm', 'm', 'e', 'n', 't', 's', '\030', '\004', ' ', '\001', '(',
'\t', 'R', '\020', 't', 'r', 'a', 'i', 'l', 'i', 'n', 'g', 'C', 'o', 'm', 'm', 'e', 'n', 't', 's', '\022', ':', '\n', '\031', 'l', 'e',
'a', 'd', 'i', 'n', 'g', '_', 'd', 'e', 't', 'a', 'c', 'h', 'e', 'd', '_', 'c', 'o', 'm', 'm', 'e', 'n', 't', 's', '\030', '\006',
' ', '\003', '(', '\t', 'R', '\027', 'l', 'e', 'a', 'd', 'i', 'n', 'g', 'D', 'e', 't', 'a', 'c', 'h', 'e', 'd', 'C', 'o', 'm', 'm',
'e', 'n', 't', 's', '\"', '\320', '\002', '\n', '\021', 'G', 'e', 'n', 'e', 'r', 'a', 't', 'e', 'd', 'C', 'o', 'd', 'e', 'I', 'n', 'f',
'o', '\022', 'M', '\n', '\n', 'a', 'n', 'n', 'o', 't', 'a', 't', 'i', 'o', 'n', '\030', '\001', ' ', '\003', '(', '\013', '2', '-', '.', 'g',
'o', 'o', 'g', 'l', 'e', '.', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '.', 'G', 'e', 'n', 'e', 'r', 'a', 't', 'e', 'd', 'C',
'o', 'd', 'e', 'I', 'n', 'f', 'o', '.', 'A', 'n', 'n', 'o', 't', 'a', 't', 'i', 'o', 'n', 'R', '\n', 'a', 'n', 'n', 'o', 't',
'a', 't', 'i', 'o', 'n', '\032', '\353', '\001', '\n', '\n', 'A', 'n', 'n', 'o', 't', 'a', 't', 'i', 'o', 'n', '\022', '\026', '\n', '\004', 'p',
'a', 't', 'h', '\030', '\001', ' ', '\003', '(', '\005', 'B', '\002', '\020', '\001', 'R', '\004', 'p', 'a', 't', 'h', '\022', '\037', '\n', '\013', 's', 'o',
'u', 'r', 'c', 'e', '_', 'f', 'i', 'l', 'e', '\030', '\002', ' ', '\001', '(', '\t', 'R', '\n', 's', 'o', 'u', 'r', 'c', 'e', 'F', 'i',
'l', 'e', '\022', '\024', '\n', '\005', 'b', 'e', 'g', 'i', 'n', '\030', '\003', ' ', '\001', '(', '\005', 'R', '\005', 'b', 'e', 'g', 'i', 'n', '\022',
'\020', '\n', '\003', 'e', 'n', 'd', '\030', '\004', ' ', '\001', '(', '\005', 'R', '\003', 'e', 'n', 'd', '\022', 'R', '\n', '\010', 's', 'e', 'm', 'a',
'n', 't', 'i', 'c', '\030', '\005', ' ', '\001', '(', '\016', '2', '6', '.', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'p', 'r', 'o', 't', 'o',
'b', 'u', 'f', '.', 'G', 'e', 'n', 'e', 'r', 'a', 't', 'e', 'd', 'C', 'o', 'd', 'e', 'I', 'n', 'f', 'o', '.', 'A', 'n', 'n',
'o', 't', 'a', 't', 'i', 'o', 'n', '.', 'S', 'e', 'm', 'a', 'n', 't', 'i', 'c', 'R', '\010', 's', 'e', 'm', 'a', 'n', 't', 'i',
'c', '\"', '(', '\n', '\010', 'S', 'e', 'm', 'a', 'n', 't', 'i', 'c', '\022', '\010', '\n', '\004', 'N', 'O', 'N', 'E', '\020', '\000', '\022', '\007',
'\n', '\003', 'S', 'E', 'T', '\020', '\001', '\022', '\t', '\n', '\005', 'A', 'L', 'I', 'A', 'S', '\020', '\002', 'B', '~', '\n', '\023', 'c', 'o', 'm',
'.', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', 'B', '\020', 'D', 'e', 's', 'c', 'r', 'i', 'p',
't', 'o', 'r', 'P', 'r', 'o', 't', 'o', 's', 'H', '\001', 'Z', '-', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'g', 'o', 'l', 'a', 'n',
'g', '.', 'o', 'r', 'g', '/', 'p', 'r', 'o', 't', 'o', 'b', 'u', 'f', '/', 't', 'y', 'p', 'e', 's', '/', 'd', 'e', 's', 'c',
'r', 'i', 'p', 't', 'o', 'r', 'p', 'b', '\370', '\001', '\001', '\242', '\002', '\003', 'G', 'P', 'B', '\252', '\002', '\032', 'G', 'o', 'o', 'g', 'l',
'e', '.', 'P', 'r', 'o', 't', 'o', 'b', 'u', 'f', '.', 'R', 'e', 'f', 'l', 'e', 'c', 't', 'i', 'o', 'n',
};
static _upb_DefPool_Init *deps[1] = {
NULL
};
_upb_DefPool_Init google_protobuf_descriptor_proto_upbdefinit = {
deps,
&google_protobuf_descriptor_proto_upb_file_layout,
"google/protobuf/descriptor.proto",
UPB_STRINGVIEW_INIT(descriptor, 11046)
};
static const char* _upb_EpsCopyInputStream_NoOpCallback(
upb_EpsCopyInputStream* e, const char* old_end, const char* new_start) {
return new_start;
}
const char* _upb_EpsCopyInputStream_IsDoneFallbackNoCallback(
upb_EpsCopyInputStream* e, const char* ptr, int overrun) {
return _upb_EpsCopyInputStream_IsDoneFallbackInline(
e, ptr, overrun, _upb_EpsCopyInputStream_NoOpCallback);
}
/*
* upb_table Implementation
*
* Implementation is heavily inspired by Lua's ltable.c.
*/
#include <string.h>
// Must be last.
#define UPB_MAXARRSIZE 16 // 2**16 = 64k.
// From Chromium.
#define ARRAY_SIZE(x) \
((sizeof(x) / sizeof(0 [x])) / ((size_t)(!(sizeof(x) % sizeof(0 [x])))))
static const double MAX_LOAD = 0.85;
/* The minimum utilization of the array part of a mixed hash/array table. This
* is a speed/memory-usage tradeoff (though it's not straightforward because of
* cache effects). The lower this is, the more memory we'll use. */
static const double MIN_DENSITY = 0.1;
static bool is_pow2(uint64_t v) { return v == 0 || (v & (v - 1)) == 0; }
static upb_value _upb_value_val(uint64_t val) {
upb_value ret;
_upb_value_setval(&ret, val);
return ret;
}
static int log2ceil(uint64_t v) {
int ret = 0;
bool pow2 = is_pow2(v);
while (v >>= 1) ret++;
ret = pow2 ? ret : ret + 1; // Ceiling.
return UPB_MIN(UPB_MAXARRSIZE, ret);
}
char* upb_strdup2(const char* s, size_t len, upb_Arena* a) {
size_t n;
char* p;
/* Prevent overflow errors. */
if (len == SIZE_MAX) return NULL;
/* Always null-terminate, even if binary data; but don't rely on the input to
* have a null-terminating byte since it may be a raw binary buffer. */
n = len + 1;
p = upb_Arena_Malloc(a, n);
if (p) {
if (len != 0) memcpy(p, s, len);
p[len] = 0;
}
return p;
}
/* A type to represent the lookup key of either a strtable or an inttable. */
typedef union {
uintptr_t num;
struct {
const char* str;
size_t len;
} str;
} lookupkey_t;
static lookupkey_t strkey2(const char* str, size_t len) {
lookupkey_t k;
k.str.str = str;
k.str.len = len;
return k;
}
static lookupkey_t intkey(uintptr_t key) {
lookupkey_t k;
k.num = key;
return k;
}
typedef uint32_t hashfunc_t(upb_tabkey key);
typedef bool eqlfunc_t(upb_tabkey k1, lookupkey_t k2);
/* Base table (shared code) ***************************************************/
static uint32_t upb_inthash(uintptr_t key) { return (uint32_t)key; }
static const upb_tabent* upb_getentry(const upb_table* t, uint32_t hash) {
return t->entries + (hash & t->mask);
}
static bool upb_arrhas(upb_tabval key) { return key.val != (uint64_t)-1; }
static bool isfull(upb_table* t) { return t->count == t->max_count; }
static bool init(upb_table* t, uint8_t size_lg2, upb_Arena* a) {
size_t bytes;
t->count = 0;
t->size_lg2 = size_lg2;
t->mask = upb_table_size(t) ? upb_table_size(t) - 1 : 0;
t->max_count = upb_table_size(t) * MAX_LOAD;
bytes = upb_table_size(t) * sizeof(upb_tabent);
if (bytes > 0) {
t->entries = upb_Arena_Malloc(a, bytes);
if (!t->entries) return false;
memset(t->entries, 0, bytes);
} else {
t->entries = NULL;
}
return true;
}
static upb_tabent* emptyent(upb_table* t, upb_tabent* e) {
upb_tabent* begin = t->entries;
upb_tabent* end = begin + upb_table_size(t);
for (e = e + 1; e < end; e++) {
if (upb_tabent_isempty(e)) return e;
}
for (e = begin; e < end; e++) {
if (upb_tabent_isempty(e)) return e;
}
UPB_ASSERT(false);
return NULL;
}
static upb_tabent* getentry_mutable(upb_table* t, uint32_t hash) {
return (upb_tabent*)upb_getentry(t, hash);
}
static const upb_tabent* findentry(const upb_table* t, lookupkey_t key,
uint32_t hash, eqlfunc_t* eql) {
const upb_tabent* e;
if (t->size_lg2 == 0) return NULL;
e = upb_getentry(t, hash);
if (upb_tabent_isempty(e)) return NULL;
while (1) {
if (eql(e->key, key)) return e;
if ((e = e->next) == NULL) return NULL;
}
}
static upb_tabent* findentry_mutable(upb_table* t, lookupkey_t key,
uint32_t hash, eqlfunc_t* eql) {
return (upb_tabent*)findentry(t, key, hash, eql);
}
static bool lookup(const upb_table* t, lookupkey_t key, upb_value* v,
uint32_t hash, eqlfunc_t* eql) {
const upb_tabent* e = findentry(t, key, hash, eql);
if (e) {
if (v) {
_upb_value_setval(v, e->val.val);
}
return true;
} else {
return false;
}
}
/* The given key must not already exist in the table. */
static void insert(upb_table* t, lookupkey_t key, upb_tabkey tabkey,
upb_value val, uint32_t hash, hashfunc_t* hashfunc,
eqlfunc_t* eql) {
upb_tabent* mainpos_e;
upb_tabent* our_e;
UPB_ASSERT(findentry(t, key, hash, eql) == NULL);
t->count++;
mainpos_e = getentry_mutable(t, hash);
our_e = mainpos_e;
if (upb_tabent_isempty(mainpos_e)) {
/* Our main position is empty; use it. */
our_e->next = NULL;
} else {
/* Collision. */
upb_tabent* new_e = emptyent(t, mainpos_e);
/* Head of collider's chain. */
upb_tabent* chain = getentry_mutable(t, hashfunc(mainpos_e->key));
if (chain == mainpos_e) {
/* Existing ent is in its main position (it has the same hash as us, and
* is the head of our chain). Insert to new ent and append to this chain.
*/
new_e->next = mainpos_e->next;
mainpos_e->next = new_e;
our_e = new_e;
} else {
/* Existing ent is not in its main position (it is a node in some other
* chain). This implies that no existing ent in the table has our hash.
* Evict it (updating its chain) and use its ent for head of our chain. */
*new_e = *mainpos_e; /* copies next. */
while (chain->next != mainpos_e) {
chain = (upb_tabent*)chain->next;
UPB_ASSERT(chain);
}
chain->next = new_e;
our_e = mainpos_e;
our_e->next = NULL;
}
}
our_e->key = tabkey;
our_e->val.val = val.val;
UPB_ASSERT(findentry(t, key, hash, eql) == our_e);
}
static bool rm(upb_table* t, lookupkey_t key, upb_value* val,
upb_tabkey* removed, uint32_t hash, eqlfunc_t* eql) {
upb_tabent* chain = getentry_mutable(t, hash);
if (upb_tabent_isempty(chain)) return false;
if (eql(chain->key, key)) {
/* Element to remove is at the head of its chain. */
t->count--;
if (val) _upb_value_setval(val, chain->val.val);
if (removed) *removed = chain->key;
if (chain->next) {
upb_tabent* move = (upb_tabent*)chain->next;
*chain = *move;
move->key = 0; /* Make the slot empty. */
} else {
chain->key = 0; /* Make the slot empty. */
}
return true;
} else {
/* Element to remove is either in a non-head position or not in the
* table. */
while (chain->next && !eql(chain->next->key, key)) {
chain = (upb_tabent*)chain->next;
}
if (chain->next) {
/* Found element to remove. */
upb_tabent* rm = (upb_tabent*)chain->next;
t->count--;
if (val) _upb_value_setval(val, chain->next->val.val);
if (removed) *removed = rm->key;
rm->key = 0; /* Make the slot empty. */
chain->next = rm->next;
return true;
} else {
/* Element to remove is not in the table. */
return false;
}
}
}
static size_t next(const upb_table* t, size_t i) {
do {
if (++i >= upb_table_size(t)) return SIZE_MAX - 1; /* Distinct from -1. */
} while (upb_tabent_isempty(&t->entries[i]));
return i;
}
static size_t begin(const upb_table* t) { return next(t, -1); }
/* upb_strtable ***************************************************************/
/* A simple "subclass" of upb_table that only adds a hash function for strings.
*/
static upb_tabkey strcopy(lookupkey_t k2, upb_Arena* a) {
uint32_t len = (uint32_t)k2.str.len;
char* str = upb_Arena_Malloc(a, k2.str.len + sizeof(uint32_t) + 1);
if (str == NULL) return 0;
memcpy(str, &len, sizeof(uint32_t));
if (k2.str.len) memcpy(str + sizeof(uint32_t), k2.str.str, k2.str.len);
str[sizeof(uint32_t) + k2.str.len] = '\0';
return (uintptr_t)str;
}
/* Adapted from ABSL's wyhash. */
static uint64_t UnalignedLoad64(const void* p) {
uint64_t val;
memcpy(&val, p, 8);
return val;
}
static uint32_t UnalignedLoad32(const void* p) {
uint32_t val;
memcpy(&val, p, 4);
return val;
}
#if defined(_MSC_VER) && defined(_M_X64)
#include <intrin.h>
#endif
/* Computes a * b, returning the low 64 bits of the result and storing the high
* 64 bits in |*high|. */
static uint64_t upb_umul128(uint64_t v0, uint64_t v1, uint64_t* out_high) {
#ifdef __SIZEOF_INT128__
__uint128_t p = v0;
p *= v1;
*out_high = (uint64_t)(p >> 64);
return (uint64_t)p;
#elif defined(_MSC_VER) && defined(_M_X64)
return _umul128(v0, v1, out_high);
#else
uint64_t a32 = v0 >> 32;
uint64_t a00 = v0 & 0xffffffff;
uint64_t b32 = v1 >> 32;
uint64_t b00 = v1 & 0xffffffff;
uint64_t high = a32 * b32;
uint64_t low = a00 * b00;
uint64_t mid1 = a32 * b00;
uint64_t mid2 = a00 * b32;
low += (mid1 << 32) + (mid2 << 32);
// Omit carry bit, for mixing we do not care about exact numerical precision.
high += (mid1 >> 32) + (mid2 >> 32);
*out_high = high;
return low;
#endif
}
static uint64_t WyhashMix(uint64_t v0, uint64_t v1) {
uint64_t high;
uint64_t low = upb_umul128(v0, v1, &high);
return low ^ high;
}
static uint64_t Wyhash(const void* data, size_t len, uint64_t seed,
const uint64_t salt[]) {
const uint8_t* ptr = (const uint8_t*)data;
uint64_t starting_length = (uint64_t)len;
uint64_t current_state = seed ^ salt[0];
if (len > 64) {
// If we have more than 64 bytes, we're going to handle chunks of 64
// bytes at a time. We're going to build up two separate hash states
// which we will then hash together.
uint64_t duplicated_state = current_state;
do {
uint64_t a = UnalignedLoad64(ptr);
uint64_t b = UnalignedLoad64(ptr + 8);
uint64_t c = UnalignedLoad64(ptr + 16);
uint64_t d = UnalignedLoad64(ptr + 24);
uint64_t e = UnalignedLoad64(ptr + 32);
uint64_t f = UnalignedLoad64(ptr + 40);
uint64_t g = UnalignedLoad64(ptr + 48);
uint64_t h = UnalignedLoad64(ptr + 56);
uint64_t cs0 = WyhashMix(a ^ salt[1], b ^ current_state);
uint64_t cs1 = WyhashMix(c ^ salt[2], d ^ current_state);
current_state = (cs0 ^ cs1);
uint64_t ds0 = WyhashMix(e ^ salt[3], f ^ duplicated_state);
uint64_t ds1 = WyhashMix(g ^ salt[4], h ^ duplicated_state);
duplicated_state = (ds0 ^ ds1);
ptr += 64;
len -= 64;
} while (len > 64);
current_state = current_state ^ duplicated_state;
}
// We now have a data `ptr` with at most 64 bytes and the current state
// of the hashing state machine stored in current_state.
while (len > 16) {
uint64_t a = UnalignedLoad64(ptr);
uint64_t b = UnalignedLoad64(ptr + 8);
current_state = WyhashMix(a ^ salt[1], b ^ current_state);
ptr += 16;
len -= 16;
}
// We now have a data `ptr` with at most 16 bytes.
uint64_t a = 0;
uint64_t b = 0;
if (len > 8) {
// When we have at least 9 and at most 16 bytes, set A to the first 64
// bits of the input and B to the last 64 bits of the input. Yes, they will
// overlap in the middle if we are working with less than the full 16
// bytes.
a = UnalignedLoad64(ptr);
b = UnalignedLoad64(ptr + len - 8);
} else if (len > 3) {
// If we have at least 4 and at most 8 bytes, set A to the first 32
// bits and B to the last 32 bits.
a = UnalignedLoad32(ptr);
b = UnalignedLoad32(ptr + len - 4);
} else if (len > 0) {
// If we have at least 1 and at most 3 bytes, read all of the provided
// bits into A, with some adjustments.
a = ((ptr[0] << 16) | (ptr[len >> 1] << 8) | ptr[len - 1]);
b = 0;
} else {
a = 0;
b = 0;
}
uint64_t w = WyhashMix(a ^ salt[1], b ^ current_state);
uint64_t z = salt[1] ^ starting_length;
return WyhashMix(w, z);
}
const uint64_t kWyhashSalt[5] = {
0x243F6A8885A308D3ULL, 0x13198A2E03707344ULL, 0xA4093822299F31D0ULL,
0x082EFA98EC4E6C89ULL, 0x452821E638D01377ULL,
};
uint32_t _upb_Hash(const void* p, size_t n, uint64_t seed) {
return Wyhash(p, n, seed, kWyhashSalt);
}
static uint32_t _upb_Hash_NoSeed(const char* p, size_t n) {
return _upb_Hash(p, n, 0);
}
static uint32_t strhash(upb_tabkey key) {
uint32_t len;
char* str = upb_tabstr(key, &len);
return _upb_Hash_NoSeed(str, len);
}
static bool streql(upb_tabkey k1, lookupkey_t k2) {
uint32_t len;
char* str = upb_tabstr(k1, &len);
return len == k2.str.len && (len == 0 || memcmp(str, k2.str.str, len) == 0);
}
bool upb_strtable_init(upb_strtable* t, size_t expected_size, upb_Arena* a) {
// Multiply by approximate reciprocal of MAX_LOAD (0.85), with pow2
// denominator.
size_t need_entries = (expected_size + 1) * 1204 / 1024;
UPB_ASSERT(need_entries >= expected_size * 0.85);
int size_lg2 = upb_Log2Ceiling(need_entries);
return init(&t->t, size_lg2, a);
}
void upb_strtable_clear(upb_strtable* t) {
size_t bytes = upb_table_size(&t->t) * sizeof(upb_tabent);
t->t.count = 0;
memset((char*)t->t.entries, 0, bytes);
}
bool upb_strtable_resize(upb_strtable* t, size_t size_lg2, upb_Arena* a) {
upb_strtable new_table;
if (!init(&new_table.t, size_lg2, a)) return false;
intptr_t iter = UPB_STRTABLE_BEGIN;
upb_StringView key;
upb_value val;
while (upb_strtable_next2(t, &key, &val, &iter)) {
upb_strtable_insert(&new_table, key.data, key.size, val, a);
}
*t = new_table;
return true;
}
bool upb_strtable_insert(upb_strtable* t, const char* k, size_t len,
upb_value v, upb_Arena* a) {
lookupkey_t key;
upb_tabkey tabkey;
uint32_t hash;
if (isfull(&t->t)) {
/* Need to resize. New table of double the size, add old elements to it. */
if (!upb_strtable_resize(t, t->t.size_lg2 + 1, a)) {
return false;
}
}
key = strkey2(k, len);
tabkey = strcopy(key, a);
if (tabkey == 0) return false;
hash = _upb_Hash_NoSeed(key.str.str, key.str.len);
insert(&t->t, key, tabkey, v, hash, &strhash, &streql);
return true;
}
bool upb_strtable_lookup2(const upb_strtable* t, const char* key, size_t len,
upb_value* v) {
uint32_t hash = _upb_Hash_NoSeed(key, len);
return lookup(&t->t, strkey2(key, len), v, hash, &streql);
}
bool upb_strtable_remove2(upb_strtable* t, const char* key, size_t len,
upb_value* val) {
uint32_t hash = _upb_Hash_NoSeed(key, len);
upb_tabkey tabkey;
return rm(&t->t, strkey2(key, len), val, &tabkey, hash, &streql);
}
/* Iteration */
void upb_strtable_begin(upb_strtable_iter* i, const upb_strtable* t) {
i->t = t;
i->index = begin(&t->t);
}
void upb_strtable_next(upb_strtable_iter* i) {
i->index = next(&i->t->t, i->index);
}
bool upb_strtable_done(const upb_strtable_iter* i) {
if (!i->t) return true;
return i->index >= upb_table_size(&i->t->t) ||
upb_tabent_isempty(str_tabent(i));
}
upb_StringView upb_strtable_iter_key(const upb_strtable_iter* i) {
upb_StringView key;
uint32_t len;
UPB_ASSERT(!upb_strtable_done(i));
key.data = upb_tabstr(str_tabent(i)->key, &len);
key.size = len;
return key;
}
upb_value upb_strtable_iter_value(const upb_strtable_iter* i) {
UPB_ASSERT(!upb_strtable_done(i));
return _upb_value_val(str_tabent(i)->val.val);
}
void upb_strtable_iter_setdone(upb_strtable_iter* i) {
i->t = NULL;
i->index = SIZE_MAX;
}
bool upb_strtable_iter_isequal(const upb_strtable_iter* i1,
const upb_strtable_iter* i2) {
if (upb_strtable_done(i1) && upb_strtable_done(i2)) return true;
return i1->t == i2->t && i1->index == i2->index;
}
/* upb_inttable ***************************************************************/
/* For inttables we use a hybrid structure where small keys are kept in an
* array and large keys are put in the hash table. */
static uint32_t inthash(upb_tabkey key) { return upb_inthash(key); }
static bool inteql(upb_tabkey k1, lookupkey_t k2) { return k1 == k2.num; }
static upb_tabval* mutable_array(upb_inttable* t) {
return (upb_tabval*)t->array;
}
static upb_tabval* inttable_val(upb_inttable* t, uintptr_t key) {
if (key < t->array_size) {
return upb_arrhas(t->array[key]) ? &(mutable_array(t)[key]) : NULL;
} else {
upb_tabent* e =
findentry_mutable(&t->t, intkey(key), upb_inthash(key), &inteql);
return e ? &e->val : NULL;
}
}
static const upb_tabval* inttable_val_const(const upb_inttable* t,
uintptr_t key) {
return inttable_val((upb_inttable*)t, key);
}
size_t upb_inttable_count(const upb_inttable* t) {
return t->t.count + t->array_count;
}
static void check(upb_inttable* t) {
UPB_UNUSED(t);
#if defined(UPB_DEBUG_TABLE) && !defined(NDEBUG)
{
// This check is very expensive (makes inserts/deletes O(N)).
size_t count = 0;
intptr_t iter = UPB_INTTABLE_BEGIN;
uintptr_t key;
upb_value val;
while (upb_inttable_next(t, &key, &val, &iter)) {
UPB_ASSERT(upb_inttable_lookup(t, key, NULL));
}
UPB_ASSERT(count == upb_inttable_count(t));
}
#endif
}
bool upb_inttable_sizedinit(upb_inttable* t, size_t asize, int hsize_lg2,
upb_Arena* a) {
size_t array_bytes;
if (!init(&t->t, hsize_lg2, a)) return false;
/* Always make the array part at least 1 long, so that we know key 0
* won't be in the hash part, which simplifies things. */
t->array_size = UPB_MAX(1, asize);
t->array_count = 0;
array_bytes = t->array_size * sizeof(upb_value);
t->array = upb_Arena_Malloc(a, array_bytes);
if (!t->array) {
return false;
}
memset(mutable_array(t), 0xff, array_bytes);
check(t);
return true;
}
bool upb_inttable_init(upb_inttable* t, upb_Arena* a) {
return upb_inttable_sizedinit(t, 0, 4, a);
}
bool upb_inttable_insert(upb_inttable* t, uintptr_t key, upb_value val,
upb_Arena* a) {
upb_tabval tabval;
tabval.val = val.val;
UPB_ASSERT(
upb_arrhas(tabval)); /* This will reject (uint64_t)-1. Fix this. */
if (key < t->array_size) {
UPB_ASSERT(!upb_arrhas(t->array[key]));
t->array_count++;
mutable_array(t)[key].val = val.val;
} else {
if (isfull(&t->t)) {
/* Need to resize the hash part, but we re-use the array part. */
size_t i;
upb_table new_table;
if (!init(&new_table, t->t.size_lg2 + 1, a)) {
return false;
}
for (i = begin(&t->t); i < upb_table_size(&t->t); i = next(&t->t, i)) {
const upb_tabent* e = &t->t.entries[i];
uint32_t hash;
upb_value v;
_upb_value_setval(&v, e->val.val);
hash = upb_inthash(e->key);
insert(&new_table, intkey(e->key), e->key, v, hash, &inthash, &inteql);
}
UPB_ASSERT(t->t.count == new_table.count);
t->t = new_table;
}
insert(&t->t, intkey(key), key, val, upb_inthash(key), &inthash, &inteql);
}
check(t);
return true;
}
bool upb_inttable_lookup(const upb_inttable* t, uintptr_t key, upb_value* v) {
const upb_tabval* table_v = inttable_val_const(t, key);
if (!table_v) return false;
if (v) _upb_value_setval(v, table_v->val);
return true;
}
bool upb_inttable_replace(upb_inttable* t, uintptr_t key, upb_value val) {
upb_tabval* table_v = inttable_val(t, key);
if (!table_v) return false;
table_v->val = val.val;
return true;
}
bool upb_inttable_remove(upb_inttable* t, uintptr_t key, upb_value* val) {
bool success;
if (key < t->array_size) {
if (upb_arrhas(t->array[key])) {
upb_tabval empty = UPB_TABVALUE_EMPTY_INIT;
t->array_count--;
if (val) {
_upb_value_setval(val, t->array[key].val);
}
mutable_array(t)[key] = empty;
success = true;
} else {
success = false;
}
} else {
success = rm(&t->t, intkey(key), val, NULL, upb_inthash(key), &inteql);
}
check(t);
return success;
}
void upb_inttable_compact(upb_inttable* t, upb_Arena* a) {
/* A power-of-two histogram of the table keys. */
size_t counts[UPB_MAXARRSIZE + 1] = {0};
/* The max key in each bucket. */
uintptr_t max[UPB_MAXARRSIZE + 1] = {0};
{
intptr_t iter = UPB_INTTABLE_BEGIN;
uintptr_t key;
upb_value val;
while (upb_inttable_next(t, &key, &val, &iter)) {
int bucket = log2ceil(key);
max[bucket] = UPB_MAX(max[bucket], key);
counts[bucket]++;
}
}
/* Find the largest power of two that satisfies the MIN_DENSITY
* definition (while actually having some keys). */
size_t arr_count = upb_inttable_count(t);
int size_lg2;
upb_inttable new_t;
for (size_lg2 = ARRAY_SIZE(counts) - 1; size_lg2 > 0; size_lg2--) {
if (counts[size_lg2] == 0) {
/* We can halve again without losing any entries. */
continue;
} else if (arr_count >= (1 << size_lg2) * MIN_DENSITY) {
break;
}
arr_count -= counts[size_lg2];
}
UPB_ASSERT(arr_count <= upb_inttable_count(t));
{
/* Insert all elements into new, perfectly-sized table. */
size_t arr_size = max[size_lg2] + 1; /* +1 so arr[max] will fit. */
size_t hash_count = upb_inttable_count(t) - arr_count;
size_t hash_size = hash_count ? (hash_count / MAX_LOAD) + 1 : 0;
int hashsize_lg2 = log2ceil(hash_size);
upb_inttable_sizedinit(&new_t, arr_size, hashsize_lg2, a);
{
intptr_t iter = UPB_INTTABLE_BEGIN;
uintptr_t key;
upb_value val;
while (upb_inttable_next(t, &key, &val, &iter)) {
upb_inttable_insert(&new_t, key, val, a);
}
}
UPB_ASSERT(new_t.array_size == arr_size);
UPB_ASSERT(new_t.t.size_lg2 == hashsize_lg2);
}
*t = new_t;
}
// Iteration.
bool upb_inttable_next(const upb_inttable* t, uintptr_t* key, upb_value* val,
intptr_t* iter) {
intptr_t i = *iter;
if ((size_t)(i + 1) <= t->array_size) {
while ((size_t)++i < t->array_size) {
upb_tabval ent = t->array[i];
if (upb_arrhas(ent)) {
*key = i;
*val = _upb_value_val(ent.val);
*iter = i;
return true;
}
}
i--; // Back up to exactly one position before the start of the table.
}
size_t tab_idx = next(&t->t, i - t->array_size);
if (tab_idx < upb_table_size(&t->t)) {
upb_tabent* ent = &t->t.entries[tab_idx];
*key = ent->key;
*val = _upb_value_val(ent->val.val);
*iter = tab_idx + t->array_size;
return true;
}
return false;
}
void upb_inttable_removeiter(upb_inttable* t, intptr_t* iter) {
intptr_t i = *iter;
if ((size_t)i < t->array_size) {
t->array_count--;
mutable_array(t)[i].val = -1;
} else {
upb_tabent* ent = &t->t.entries[i - t->array_size];
upb_tabent* prev = NULL;
// Linear search, not great.
upb_tabent* end = &t->t.entries[upb_table_size(&t->t)];
for (upb_tabent* e = t->t.entries; e != end; e++) {
if (e->next == ent) {
prev = e;
break;
}
}
if (prev) {
prev->next = ent->next;
}
t->t.count--;
ent->key = 0;
ent->next = NULL;
}
}
bool upb_strtable_next2(const upb_strtable* t, upb_StringView* key,
upb_value* val, intptr_t* iter) {
size_t tab_idx = next(&t->t, *iter);
if (tab_idx < upb_table_size(&t->t)) {
upb_tabent* ent = &t->t.entries[tab_idx];
uint32_t len;
key->data = upb_tabstr(ent->key, &len);
key->size = len;
*val = _upb_value_val(ent->val.val);
*iter = tab_idx;
return true;
}
return false;
}
void upb_strtable_removeiter(upb_strtable* t, intptr_t* iter) {
intptr_t i = *iter;
upb_tabent* ent = &t->t.entries[i];
upb_tabent* prev = NULL;
// Linear search, not great.
upb_tabent* end = &t->t.entries[upb_table_size(&t->t)];
for (upb_tabent* e = t->t.entries; e != end; e++) {
if (e->next == ent) {
prev = e;
break;
}
}
if (prev) {
prev->next = ent->next;
}
t->t.count--;
ent->key = 0;
ent->next = NULL;
}
void upb_strtable_setentryvalue(upb_strtable* t, intptr_t iter, upb_value v) {
upb_tabent* ent = &t->t.entries[iter];
ent->val.val = v.val;
}
#include <errno.h>
#include <float.h>
#include <inttypes.h>
#include <limits.h>
#include <math.h>
#include <stdlib.h>
#include <string.h>
// Must be last.
typedef struct {
const char *ptr, *end;
upb_Arena* arena; /* TODO: should we have a tmp arena for tmp data? */
const upb_DefPool* symtab;
int depth;
upb_Status* status;
jmp_buf err;
int line;
const char* line_begin;
bool is_first;
int options;
const upb_FieldDef* debug_field;
} jsondec;
enum { JD_OBJECT, JD_ARRAY, JD_STRING, JD_NUMBER, JD_TRUE, JD_FALSE, JD_NULL };
/* Forward declarations of mutually-recursive functions. */
static void jsondec_wellknown(jsondec* d, upb_Message* msg,
const upb_MessageDef* m);
static upb_MessageValue jsondec_value(jsondec* d, const upb_FieldDef* f);
static void jsondec_wellknownvalue(jsondec* d, upb_Message* msg,
const upb_MessageDef* m);
static void jsondec_object(jsondec* d, upb_Message* msg,
const upb_MessageDef* m);
static bool jsondec_streql(upb_StringView str, const char* lit) {
return str.size == strlen(lit) && memcmp(str.data, lit, str.size) == 0;
}
static bool jsondec_isnullvalue(const upb_FieldDef* f) {
return upb_FieldDef_CType(f) == kUpb_CType_Enum &&
strcmp(upb_EnumDef_FullName(upb_FieldDef_EnumSubDef(f)),
"google.protobuf.NullValue") == 0;
}
static bool jsondec_isvalue(const upb_FieldDef* f) {
return (upb_FieldDef_CType(f) == kUpb_CType_Message &&
upb_MessageDef_WellKnownType(upb_FieldDef_MessageSubDef(f)) ==
kUpb_WellKnown_Value) ||
jsondec_isnullvalue(f);
}
UPB_NORETURN static void jsondec_err(jsondec* d, const char* msg) {
upb_Status_SetErrorFormat(d->status, "Error parsing JSON @%d:%d: %s", d->line,
(int)(d->ptr - d->line_begin), msg);
UPB_LONGJMP(d->err, 1);
}
UPB_PRINTF(2, 3)
UPB_NORETURN static void jsondec_errf(jsondec* d, const char* fmt, ...) {
va_list argp;
upb_Status_SetErrorFormat(d->status, "Error parsing JSON @%d:%d: ", d->line,
(int)(d->ptr - d->line_begin));
va_start(argp, fmt);
upb_Status_VAppendErrorFormat(d->status, fmt, argp);
va_end(argp);
UPB_LONGJMP(d->err, 1);
}
static void jsondec_skipws(jsondec* d) {
while (d->ptr != d->end) {
switch (*d->ptr) {
case '\n':
d->line++;
d->line_begin = d->ptr;
/* Fallthrough. */
case '\r':
case '\t':
case ' ':
d->ptr++;
break;
default:
return;
}
}
jsondec_err(d, "Unexpected EOF");
}
static bool jsondec_tryparsech(jsondec* d, char ch) {
if (d->ptr == d->end || *d->ptr != ch) return false;
d->ptr++;
return true;
}
static void jsondec_parselit(jsondec* d, const char* lit) {
size_t avail = d->end - d->ptr;
size_t len = strlen(lit);
if (avail < len || memcmp(d->ptr, lit, len) != 0) {
jsondec_errf(d, "Expected: '%s'", lit);
}
d->ptr += len;
}
static void jsondec_wsch(jsondec* d, char ch) {
jsondec_skipws(d);
if (!jsondec_tryparsech(d, ch)) {
jsondec_errf(d, "Expected: '%c'", ch);
}
}
static void jsondec_true(jsondec* d) { jsondec_parselit(d, "true"); }
static void jsondec_false(jsondec* d) { jsondec_parselit(d, "false"); }
static void jsondec_null(jsondec* d) { jsondec_parselit(d, "null"); }
static void jsondec_entrysep(jsondec* d) {
jsondec_skipws(d);
jsondec_parselit(d, ":");
}
static int jsondec_rawpeek(jsondec* d) {
switch (*d->ptr) {
case '{':
return JD_OBJECT;
case '[':
return JD_ARRAY;
case '"':
return JD_STRING;
case '-':
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
return JD_NUMBER;
case 't':
return JD_TRUE;
case 'f':
return JD_FALSE;
case 'n':
return JD_NULL;
default:
jsondec_errf(d, "Unexpected character: '%c'", *d->ptr);
}
}
/* JSON object/array **********************************************************/
/* These are used like so:
*
* jsondec_objstart(d);
* while (jsondec_objnext(d)) {
* ...
* }
* jsondec_objend(d) */
static int jsondec_peek(jsondec* d) {
jsondec_skipws(d);
return jsondec_rawpeek(d);
}
static void jsondec_push(jsondec* d) {
if (--d->depth < 0) {
jsondec_err(d, "Recursion limit exceeded");
}
d->is_first = true;
}
static bool jsondec_seqnext(jsondec* d, char end_ch) {
bool is_first = d->is_first;
d->is_first = false;
jsondec_skipws(d);
if (*d->ptr == end_ch) return false;
if (!is_first) jsondec_parselit(d, ",");
return true;
}
static void jsondec_arrstart(jsondec* d) {
jsondec_push(d);
jsondec_wsch(d, '[');
}
static void jsondec_arrend(jsondec* d) {
d->depth++;
jsondec_wsch(d, ']');
}
static bool jsondec_arrnext(jsondec* d) { return jsondec_seqnext(d, ']'); }
static void jsondec_objstart(jsondec* d) {
jsondec_push(d);
jsondec_wsch(d, '{');
}
static void jsondec_objend(jsondec* d) {
d->depth++;
jsondec_wsch(d, '}');
}
static bool jsondec_objnext(jsondec* d) {
if (!jsondec_seqnext(d, '}')) return false;
if (jsondec_peek(d) != JD_STRING) {
jsondec_err(d, "Object must start with string");
}
return true;
}
/* JSON number ****************************************************************/
static bool jsondec_tryskipdigits(jsondec* d) {
const char* start = d->ptr;
while (d->ptr < d->end) {
if (*d->ptr < '0' || *d->ptr > '9') {
break;
}
d->ptr++;
}
return d->ptr != start;
}
static void jsondec_skipdigits(jsondec* d) {
if (!jsondec_tryskipdigits(d)) {
jsondec_err(d, "Expected one or more digits");
}
}
static double jsondec_number(jsondec* d) {
const char* start = d->ptr;
assert(jsondec_rawpeek(d) == JD_NUMBER);
/* Skip over the syntax of a number, as specified by JSON. */
if (*d->ptr == '-') d->ptr++;
if (jsondec_tryparsech(d, '0')) {
if (jsondec_tryskipdigits(d)) {
jsondec_err(d, "number cannot have leading zero");
}
} else {
jsondec_skipdigits(d);
}
if (d->ptr == d->end) goto parse;
if (jsondec_tryparsech(d, '.')) {
jsondec_skipdigits(d);
}
if (d->ptr == d->end) goto parse;
if (*d->ptr == 'e' || *d->ptr == 'E') {
d->ptr++;
if (d->ptr == d->end) {
jsondec_err(d, "Unexpected EOF in number");
}
if (*d->ptr == '+' || *d->ptr == '-') {
d->ptr++;
}
jsondec_skipdigits(d);
}
parse:
/* Having verified the syntax of a JSON number, use strtod() to parse
* (strtod() accepts a superset of JSON syntax). */
errno = 0;
{
char* end;
double val = strtod(start, &end);
assert(end == d->ptr);
/* Currently the min/max-val conformance tests fail if we check this. Does
* this mean the conformance tests are wrong or strtod() is wrong, or
* something else? Investigate further. */
/*
if (errno == ERANGE) {
jsondec_err(d, "Number out of range");
}
*/
if (val > DBL_MAX || val < -DBL_MAX) {
jsondec_err(d, "Number out of range");
}
return val;
}
}
/* JSON string ****************************************************************/
static char jsondec_escape(jsondec* d) {
switch (*d->ptr++) {
case '"':
return '\"';
case '\\':
return '\\';
case '/':
return '/';
case 'b':
return '\b';
case 'f':
return '\f';
case 'n':
return '\n';
case 'r':
return '\r';
case 't':
return '\t';
default:
jsondec_err(d, "Invalid escape char");
}
}
static uint32_t jsondec_codepoint(jsondec* d) {
uint32_t cp = 0;
const char* end;
if (d->end - d->ptr < 4) {
jsondec_err(d, "EOF inside string");
}
end = d->ptr + 4;
while (d->ptr < end) {
char ch = *d->ptr++;
if (ch >= '0' && ch <= '9') {
ch -= '0';
} else if (ch >= 'a' && ch <= 'f') {
ch = ch - 'a' + 10;
} else if (ch >= 'A' && ch <= 'F') {
ch = ch - 'A' + 10;
} else {
jsondec_err(d, "Invalid hex digit");
}
cp = (cp << 4) | ch;
}
return cp;
}
/* Parses a \uXXXX unicode escape (possibly a surrogate pair). */
static size_t jsondec_unicode(jsondec* d, char* out) {
uint32_t cp = jsondec_codepoint(d);
if (upb_Unicode_IsHigh(cp)) {
/* Surrogate pair: two 16-bit codepoints become a 32-bit codepoint. */
jsondec_parselit(d, "\\u");
uint32_t low = jsondec_codepoint(d);
if (!upb_Unicode_IsLow(low)) jsondec_err(d, "Invalid low surrogate");
cp = upb_Unicode_FromPair(cp, low);
} else if (upb_Unicode_IsLow(cp)) {
jsondec_err(d, "Unpaired low surrogate");
}
/* Write to UTF-8 */
int bytes = upb_Unicode_ToUTF8(cp, out);
if (bytes == 0) jsondec_err(d, "Invalid codepoint");
return bytes;
}
static void jsondec_resize(jsondec* d, char** buf, char** end, char** buf_end) {
size_t oldsize = *buf_end - *buf;
size_t len = *end - *buf;
size_t size = UPB_MAX(8, 2 * oldsize);
*buf = upb_Arena_Realloc(d->arena, *buf, len, size);
if (!*buf) jsondec_err(d, "Out of memory");
*end = *buf + len;
*buf_end = *buf + size;
}
static upb_StringView jsondec_string(jsondec* d) {
char* buf = NULL;
char* end = NULL;
char* buf_end = NULL;
jsondec_skipws(d);
if (*d->ptr++ != '"') {
jsondec_err(d, "Expected string");
}
while (d->ptr < d->end) {
char ch = *d->ptr++;
if (end == buf_end) {
jsondec_resize(d, &buf, &end, &buf_end);
}
switch (ch) {
case '"': {
upb_StringView ret;
ret.data = buf;
ret.size = end - buf;
*end = '\0'; /* Needed for possible strtod(). */
return ret;
}
case '\\':
if (d->ptr == d->end) goto eof;
if (*d->ptr == 'u') {
d->ptr++;
if (buf_end - end < 4) {
/* Allow space for maximum-sized codepoint (4 bytes). */
jsondec_resize(d, &buf, &end, &buf_end);
}
end += jsondec_unicode(d, end);
} else {
*end++ = jsondec_escape(d);
}
break;
default:
if ((unsigned char)*d->ptr < 0x20) {
jsondec_err(d, "Invalid char in JSON string");
}
*end++ = ch;
break;
}
}
eof:
jsondec_err(d, "EOF inside string");
}
static void jsondec_skipval(jsondec* d) {
switch (jsondec_peek(d)) {
case JD_OBJECT:
jsondec_objstart(d);
while (jsondec_objnext(d)) {
jsondec_string(d);
jsondec_entrysep(d);
jsondec_skipval(d);
}
jsondec_objend(d);
break;
case JD_ARRAY:
jsondec_arrstart(d);
while (jsondec_arrnext(d)) {
jsondec_skipval(d);
}
jsondec_arrend(d);
break;
case JD_TRUE:
jsondec_true(d);
break;
case JD_FALSE:
jsondec_false(d);
break;
case JD_NULL:
jsondec_null(d);
break;
case JD_STRING:
jsondec_string(d);
break;
case JD_NUMBER:
jsondec_number(d);
break;
}
}
/* Base64 decoding for bytes fields. ******************************************/
static unsigned int jsondec_base64_tablelookup(const char ch) {
/* Table includes the normal base64 chars plus the URL-safe variant. */
const signed char table[256] = {
-1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1,
-1, 62 /*+*/, -1, 62 /*-*/, -1, 63 /*/ */, 52 /*0*/,
53 /*1*/, 54 /*2*/, 55 /*3*/, 56 /*4*/, 57 /*5*/, 58 /*6*/, 59 /*7*/,
60 /*8*/, 61 /*9*/, -1, -1, -1, -1, -1,
-1, -1, 0 /*A*/, 1 /*B*/, 2 /*C*/, 3 /*D*/, 4 /*E*/,
5 /*F*/, 6 /*G*/, 07 /*H*/, 8 /*I*/, 9 /*J*/, 10 /*K*/, 11 /*L*/,
12 /*M*/, 13 /*N*/, 14 /*O*/, 15 /*P*/, 16 /*Q*/, 17 /*R*/, 18 /*S*/,
19 /*T*/, 20 /*U*/, 21 /*V*/, 22 /*W*/, 23 /*X*/, 24 /*Y*/, 25 /*Z*/,
-1, -1, -1, -1, 63 /*_*/, -1, 26 /*a*/,
27 /*b*/, 28 /*c*/, 29 /*d*/, 30 /*e*/, 31 /*f*/, 32 /*g*/, 33 /*h*/,
34 /*i*/, 35 /*j*/, 36 /*k*/, 37 /*l*/, 38 /*m*/, 39 /*n*/, 40 /*o*/,
41 /*p*/, 42 /*q*/, 43 /*r*/, 44 /*s*/, 45 /*t*/, 46 /*u*/, 47 /*v*/,
48 /*w*/, 49 /*x*/, 50 /*y*/, 51 /*z*/, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1};
/* Sign-extend return value so high bit will be set on any unexpected char. */
return table[(unsigned)ch];
}
static char* jsondec_partialbase64(jsondec* d, const char* ptr, const char* end,
char* out) {
int32_t val = -1;
switch (end - ptr) {
case 2:
val = jsondec_base64_tablelookup(ptr[0]) << 18 |
jsondec_base64_tablelookup(ptr[1]) << 12;
out[0] = val >> 16;
out += 1;
break;
case 3:
val = jsondec_base64_tablelookup(ptr[0]) << 18 |
jsondec_base64_tablelookup(ptr[1]) << 12 |
jsondec_base64_tablelookup(ptr[2]) << 6;
out[0] = val >> 16;
out[1] = (val >> 8) & 0xff;
out += 2;
break;
}
if (val < 0) {
jsondec_err(d, "Corrupt base64");
}
return out;
}
static size_t jsondec_base64(jsondec* d, upb_StringView str) {
/* We decode in place. This is safe because this is a new buffer (not
* aliasing the input) and because base64 decoding shrinks 4 bytes into 3. */
char* out = (char*)str.data;
const char* ptr = str.data;
const char* end = ptr + str.size;
const char* end4 = ptr + (str.size & -4); /* Round down to multiple of 4. */
for (; ptr < end4; ptr += 4, out += 3) {
int val = jsondec_base64_tablelookup(ptr[0]) << 18 |
jsondec_base64_tablelookup(ptr[1]) << 12 |
jsondec_base64_tablelookup(ptr[2]) << 6 |
jsondec_base64_tablelookup(ptr[3]) << 0;
if (val < 0) {
/* Junk chars or padding. Remove trailing padding, if any. */
if (end - ptr == 4 && ptr[3] == '=') {
if (ptr[2] == '=') {
end -= 2;
} else {
end -= 1;
}
}
break;
}
out[0] = val >> 16;
out[1] = (val >> 8) & 0xff;
out[2] = val & 0xff;
}
if (ptr < end) {
/* Process remaining chars. We do not require padding. */
out = jsondec_partialbase64(d, ptr, end, out);
}
return out - str.data;
}
/* Low-level integer parsing **************************************************/
static const char* jsondec_buftouint64(jsondec* d, const char* ptr,
const char* end, uint64_t* val) {
const char* out = upb_BufToUint64(ptr, end, val);
if (!out) jsondec_err(d, "Integer overflow");
return out;
}
static const char* jsondec_buftoint64(jsondec* d, const char* ptr,
const char* end, int64_t* val,
bool* is_neg) {
const char* out = upb_BufToInt64(ptr, end, val, is_neg);
if (!out) jsondec_err(d, "Integer overflow");
return out;
}
static uint64_t jsondec_strtouint64(jsondec* d, upb_StringView str) {
const char* end = str.data + str.size;
uint64_t ret;
if (jsondec_buftouint64(d, str.data, end, &ret) != end) {
jsondec_err(d, "Non-number characters in quoted integer");
}
return ret;
}
static int64_t jsondec_strtoint64(jsondec* d, upb_StringView str) {
const char* end = str.data + str.size;
int64_t ret;
if (jsondec_buftoint64(d, str.data, end, &ret, NULL) != end) {
jsondec_err(d, "Non-number characters in quoted integer");
}
return ret;
}
/* Primitive value types ******************************************************/
/* Parse INT32 or INT64 value. */
static upb_MessageValue jsondec_int(jsondec* d, const upb_FieldDef* f) {
upb_MessageValue val;
switch (jsondec_peek(d)) {
case JD_NUMBER: {
double dbl = jsondec_number(d);
if (dbl > 9223372036854774784.0 || dbl < -9223372036854775808.0) {
jsondec_err(d, "JSON number is out of range.");
}
val.int64_val = dbl; /* must be guarded, overflow here is UB */
if (val.int64_val != dbl) {
jsondec_errf(d, "JSON number was not integral (%f != %" PRId64 ")", dbl,
val.int64_val);
}
break;
}
case JD_STRING: {
upb_StringView str = jsondec_string(d);
val.int64_val = jsondec_strtoint64(d, str);
break;
}
default:
jsondec_err(d, "Expected number or string");
}
if (upb_FieldDef_CType(f) == kUpb_CType_Int32 ||
upb_FieldDef_CType(f) == kUpb_CType_Enum) {
if (val.int64_val > INT32_MAX || val.int64_val < INT32_MIN) {
jsondec_err(d, "Integer out of range.");
}
val.int32_val = (int32_t)val.int64_val;
}
return val;
}
/* Parse UINT32 or UINT64 value. */
static upb_MessageValue jsondec_uint(jsondec* d, const upb_FieldDef* f) {
upb_MessageValue val = {0};
switch (jsondec_peek(d)) {
case JD_NUMBER: {
double dbl = jsondec_number(d);
if (dbl > 18446744073709549568.0 || dbl < 0) {
jsondec_err(d, "JSON number is out of range.");
}
val.uint64_val = dbl; /* must be guarded, overflow here is UB */
if (val.uint64_val != dbl) {
jsondec_errf(d, "JSON number was not integral (%f != %" PRIu64 ")", dbl,
val.uint64_val);
}
break;
}
case JD_STRING: {
upb_StringView str = jsondec_string(d);
val.uint64_val = jsondec_strtouint64(d, str);
break;
}
default:
jsondec_err(d, "Expected number or string");
}
if (upb_FieldDef_CType(f) == kUpb_CType_UInt32) {
if (val.uint64_val > UINT32_MAX) {
jsondec_err(d, "Integer out of range.");
}
val.uint32_val = (uint32_t)val.uint64_val;
}
return val;
}
/* Parse DOUBLE or FLOAT value. */
static upb_MessageValue jsondec_double(jsondec* d, const upb_FieldDef* f) {
upb_StringView str;
upb_MessageValue val = {0};
switch (jsondec_peek(d)) {
case JD_NUMBER:
val.double_val = jsondec_number(d);
break;
case JD_STRING:
str = jsondec_string(d);
if (jsondec_streql(str, "NaN")) {
val.double_val = NAN;
} else if (jsondec_streql(str, "Infinity")) {
val.double_val = INFINITY;
} else if (jsondec_streql(str, "-Infinity")) {
val.double_val = -INFINITY;
} else {
val.double_val = strtod(str.data, NULL);
}
break;
default:
jsondec_err(d, "Expected number or string");
}
if (upb_FieldDef_CType(f) == kUpb_CType_Float) {
float f = val.double_val;
if (val.double_val != INFINITY && val.double_val != -INFINITY) {
if (f == INFINITY || f == -INFINITY) jsondec_err(d, "Float out of range");
}
val.float_val = f;
}
return val;
}
/* Parse STRING or BYTES value. */
static upb_MessageValue jsondec_strfield(jsondec* d, const upb_FieldDef* f) {
upb_MessageValue val;
val.str_val = jsondec_string(d);
if (upb_FieldDef_CType(f) == kUpb_CType_Bytes) {
val.str_val.size = jsondec_base64(d, val.str_val);
}
return val;
}
static upb_MessageValue jsondec_enum(jsondec* d, const upb_FieldDef* f) {
switch (jsondec_peek(d)) {
case JD_STRING: {
upb_StringView str = jsondec_string(d);
const upb_EnumDef* e = upb_FieldDef_EnumSubDef(f);
const upb_EnumValueDef* ev =
upb_EnumDef_FindValueByNameWithSize(e, str.data, str.size);
upb_MessageValue val;
if (ev) {
val.int32_val = upb_EnumValueDef_Number(ev);
} else {
if (d->options & upb_JsonDecode_IgnoreUnknown) {
val.int32_val = 0;
} else {
jsondec_errf(d, "Unknown enumerator: '" UPB_STRINGVIEW_FORMAT "'",
UPB_STRINGVIEW_ARGS(str));
}
}
return val;
}
case JD_NULL: {
if (jsondec_isnullvalue(f)) {
upb_MessageValue val;
jsondec_null(d);
val.int32_val = 0;
return val;
}
}
/* Fallthrough. */
default:
return jsondec_int(d, f);
}
}
static upb_MessageValue jsondec_bool(jsondec* d, const upb_FieldDef* f) {
bool is_map_key = upb_FieldDef_Number(f) == 1 &&
upb_MessageDef_IsMapEntry(upb_FieldDef_ContainingType(f));
upb_MessageValue val;
if (is_map_key) {
upb_StringView str = jsondec_string(d);
if (jsondec_streql(str, "true")) {
val.bool_val = true;
} else if (jsondec_streql(str, "false")) {
val.bool_val = false;
} else {
jsondec_err(d, "Invalid boolean map key");
}
} else {
switch (jsondec_peek(d)) {
case JD_TRUE:
val.bool_val = true;
jsondec_true(d);
break;
case JD_FALSE:
val.bool_val = false;
jsondec_false(d);
break;
default:
jsondec_err(d, "Expected true or false");
}
}
return val;
}
/* Composite types (array/message/map) ****************************************/
static void jsondec_array(jsondec* d, upb_Message* msg, const upb_FieldDef* f) {
upb_Array* arr = upb_Message_Mutable(msg, f, d->arena).array;
jsondec_arrstart(d);
while (jsondec_arrnext(d)) {
upb_MessageValue elem = jsondec_value(d, f);
upb_Array_Append(arr, elem, d->arena);
}
jsondec_arrend(d);
}
static void jsondec_map(jsondec* d, upb_Message* msg, const upb_FieldDef* f) {
upb_Map* map = upb_Message_Mutable(msg, f, d->arena).map;
const upb_MessageDef* entry = upb_FieldDef_MessageSubDef(f);
const upb_FieldDef* key_f = upb_MessageDef_FindFieldByNumber(entry, 1);
const upb_FieldDef* val_f = upb_MessageDef_FindFieldByNumber(entry, 2);
jsondec_objstart(d);
while (jsondec_objnext(d)) {
upb_MessageValue key, val;
key = jsondec_value(d, key_f);
jsondec_entrysep(d);
val = jsondec_value(d, val_f);
upb_Map_Set(map, key, val, d->arena);
}
jsondec_objend(d);
}
static void jsondec_tomsg(jsondec* d, upb_Message* msg,
const upb_MessageDef* m) {
if (upb_MessageDef_WellKnownType(m) == kUpb_WellKnown_Unspecified) {
jsondec_object(d, msg, m);
} else {
jsondec_wellknown(d, msg, m);
}
}
static upb_MessageValue jsondec_msg(jsondec* d, const upb_FieldDef* f) {
const upb_MessageDef* m = upb_FieldDef_MessageSubDef(f);
const upb_MiniTable* layout = upb_MessageDef_MiniTable(m);
upb_Message* msg = upb_Message_New(layout, d->arena);
upb_MessageValue val;
jsondec_tomsg(d, msg, m);
val.msg_val = msg;
return val;
}
static void jsondec_field(jsondec* d, upb_Message* msg,
const upb_MessageDef* m) {
upb_StringView name;
const upb_FieldDef* f;
const upb_FieldDef* preserved;
name = jsondec_string(d);
jsondec_entrysep(d);
if (name.size >= 2 && name.data[0] == '[' &&
name.data[name.size - 1] == ']') {
f = upb_DefPool_FindExtensionByNameWithSize(d->symtab, name.data + 1,
name.size - 2);
if (f && upb_FieldDef_ContainingType(f) != m) {
jsondec_errf(
d, "Extension %s extends message %s, but was seen in message %s",
upb_FieldDef_FullName(f),
upb_MessageDef_FullName(upb_FieldDef_ContainingType(f)),
upb_MessageDef_FullName(m));
}
} else {
f = upb_MessageDef_FindByJsonNameWithSize(m, name.data, name.size);
}
if (!f) {
if ((d->options & upb_JsonDecode_IgnoreUnknown) == 0) {
jsondec_errf(d, "No such field: " UPB_STRINGVIEW_FORMAT,
UPB_STRINGVIEW_ARGS(name));
}
jsondec_skipval(d);
return;
}
if (jsondec_peek(d) == JD_NULL && !jsondec_isvalue(f)) {
/* JSON "null" indicates a default value, so no need to set anything. */
jsondec_null(d);
return;
}
if (upb_FieldDef_RealContainingOneof(f) &&
upb_Message_WhichOneof(msg, upb_FieldDef_ContainingOneof(f))) {
jsondec_err(d, "More than one field for this oneof.");
}
preserved = d->debug_field;
d->debug_field = f;
if (upb_FieldDef_IsMap(f)) {
jsondec_map(d, msg, f);
} else if (upb_FieldDef_IsRepeated(f)) {
jsondec_array(d, msg, f);
} else if (upb_FieldDef_IsSubMessage(f)) {
upb_Message* submsg = upb_Message_Mutable(msg, f, d->arena).msg;
const upb_MessageDef* subm = upb_FieldDef_MessageSubDef(f);
jsondec_tomsg(d, submsg, subm);
} else {
upb_MessageValue val = jsondec_value(d, f);
upb_Message_SetFieldByDef(msg, f, val, d->arena);
}
d->debug_field = preserved;
}
static void jsondec_object(jsondec* d, upb_Message* msg,
const upb_MessageDef* m) {
jsondec_objstart(d);
while (jsondec_objnext(d)) {
jsondec_field(d, msg, m);
}
jsondec_objend(d);
}
static upb_MessageValue jsondec_value(jsondec* d, const upb_FieldDef* f) {
switch (upb_FieldDef_CType(f)) {
case kUpb_CType_Bool:
return jsondec_bool(d, f);
case kUpb_CType_Float:
case kUpb_CType_Double:
return jsondec_double(d, f);
case kUpb_CType_UInt32:
case kUpb_CType_UInt64:
return jsondec_uint(d, f);
case kUpb_CType_Int32:
case kUpb_CType_Int64:
return jsondec_int(d, f);
case kUpb_CType_String:
case kUpb_CType_Bytes:
return jsondec_strfield(d, f);
case kUpb_CType_Enum:
return jsondec_enum(d, f);
case kUpb_CType_Message:
return jsondec_msg(d, f);
default:
UPB_UNREACHABLE();
}
}
/* Well-known types ***********************************************************/
static int jsondec_tsdigits(jsondec* d, const char** ptr, size_t digits,
const char* after) {
uint64_t val;
const char* p = *ptr;
const char* end = p + digits;
size_t after_len = after ? strlen(after) : 0;
UPB_ASSERT(digits <= 9); /* int can't overflow. */
if (jsondec_buftouint64(d, p, end, &val) != end ||
(after_len && memcmp(end, after, after_len) != 0)) {
jsondec_err(d, "Malformed timestamp");
}
UPB_ASSERT(val < INT_MAX);
*ptr = end + after_len;
return (int)val;
}
static int jsondec_nanos(jsondec* d, const char** ptr, const char* end) {
uint64_t nanos = 0;
const char* p = *ptr;
if (p != end && *p == '.') {
const char* nano_end = jsondec_buftouint64(d, p + 1, end, &nanos);
int digits = (int)(nano_end - p - 1);
int exp_lg10 = 9 - digits;
if (digits > 9) {
jsondec_err(d, "Too many digits for partial seconds");
}
while (exp_lg10--) nanos *= 10;
*ptr = nano_end;
}
UPB_ASSERT(nanos < INT_MAX);
return (int)nanos;
}
/* jsondec_epochdays(1970, 1, 1) == 1970-01-01 == 0. */
int jsondec_epochdays(int y, int m, int d) {
const uint32_t year_base = 4800; /* Before min year, multiple of 400. */
const uint32_t m_adj = m - 3; /* March-based month. */
const uint32_t carry = m_adj > (uint32_t)m ? 1 : 0;
const uint32_t adjust = carry ? 12 : 0;
const uint32_t y_adj = y + year_base - carry;
const uint32_t month_days = ((m_adj + adjust) * 62719 + 769) / 2048;
const uint32_t leap_days = y_adj / 4 - y_adj / 100 + y_adj / 400;
return y_adj * 365 + leap_days + month_days + (d - 1) - 2472632;
}
static int64_t jsondec_unixtime(int y, int m, int d, int h, int min, int s) {
return (int64_t)jsondec_epochdays(y, m, d) * 86400 + h * 3600 + min * 60 + s;
}
static void jsondec_timestamp(jsondec* d, upb_Message* msg,
const upb_MessageDef* m) {
upb_MessageValue seconds;
upb_MessageValue nanos;
upb_StringView str = jsondec_string(d);
const char* ptr = str.data;
const char* end = ptr + str.size;
if (str.size < 20) goto malformed;
{
/* 1972-01-01T01:00:00 */
int year = jsondec_tsdigits(d, &ptr, 4, "-");
int mon = jsondec_tsdigits(d, &ptr, 2, "-");
int day = jsondec_tsdigits(d, &ptr, 2, "T");
int hour = jsondec_tsdigits(d, &ptr, 2, ":");
int min = jsondec_tsdigits(d, &ptr, 2, ":");
int sec = jsondec_tsdigits(d, &ptr, 2, NULL);
seconds.int64_val = jsondec_unixtime(year, mon, day, hour, min, sec);
}
nanos.int32_val = jsondec_nanos(d, &ptr, end);
{
/* [+-]08:00 or Z */
int ofs_hour = 0;
int ofs_min = 0;
bool neg = false;
if (ptr == end) goto malformed;
switch (*ptr++) {
case '-':
neg = true;
/* fallthrough */
case '+':
if ((end - ptr) != 5) goto malformed;
ofs_hour = jsondec_tsdigits(d, &ptr, 2, ":");
ofs_min = jsondec_tsdigits(d, &ptr, 2, NULL);
ofs_min = ((ofs_hour * 60) + ofs_min) * 60;
seconds.int64_val += (neg ? ofs_min : -ofs_min);
break;
case 'Z':
if (ptr != end) goto malformed;
break;
default:
goto malformed;
}
}
if (seconds.int64_val < -62135596800) {
jsondec_err(d, "Timestamp out of range");
}
upb_Message_SetFieldByDef(msg, upb_MessageDef_FindFieldByNumber(m, 1),
seconds, d->arena);
upb_Message_SetFieldByDef(msg, upb_MessageDef_FindFieldByNumber(m, 2), nanos,
d->arena);
return;
malformed:
jsondec_err(d, "Malformed timestamp");
}
static void jsondec_duration(jsondec* d, upb_Message* msg,
const upb_MessageDef* m) {
upb_MessageValue seconds;
upb_MessageValue nanos;
upb_StringView str = jsondec_string(d);
const char* ptr = str.data;
const char* end = ptr + str.size;
const int64_t max = (uint64_t)3652500 * 86400;
bool neg = false;
/* "3.000000001s", "3s", etc. */
ptr = jsondec_buftoint64(d, ptr, end, &seconds.int64_val, &neg);
nanos.int32_val = jsondec_nanos(d, &ptr, end);
if (end - ptr != 1 || *ptr != 's') {
jsondec_err(d, "Malformed duration");
}
if (seconds.int64_val < -max || seconds.int64_val > max) {
jsondec_err(d, "Duration out of range");
}
if (neg) {
nanos.int32_val = -nanos.int32_val;
}
upb_Message_SetFieldByDef(msg, upb_MessageDef_FindFieldByNumber(m, 1),
seconds, d->arena);
upb_Message_SetFieldByDef(msg, upb_MessageDef_FindFieldByNumber(m, 2), nanos,
d->arena);
}
static void jsondec_listvalue(jsondec* d, upb_Message* msg,
const upb_MessageDef* m) {
const upb_FieldDef* values_f = upb_MessageDef_FindFieldByNumber(m, 1);
const upb_MessageDef* value_m = upb_FieldDef_MessageSubDef(values_f);
const upb_MiniTable* value_layout = upb_MessageDef_MiniTable(value_m);
upb_Array* values = upb_Message_Mutable(msg, values_f, d->arena).array;
jsondec_arrstart(d);
while (jsondec_arrnext(d)) {
upb_Message* value_msg = upb_Message_New(value_layout, d->arena);
upb_MessageValue value;
value.msg_val = value_msg;
upb_Array_Append(values, value, d->arena);
jsondec_wellknownvalue(d, value_msg, value_m);
}
jsondec_arrend(d);
}
static void jsondec_struct(jsondec* d, upb_Message* msg,
const upb_MessageDef* m) {
const upb_FieldDef* fields_f = upb_MessageDef_FindFieldByNumber(m, 1);
const upb_MessageDef* entry_m = upb_FieldDef_MessageSubDef(fields_f);
const upb_FieldDef* value_f = upb_MessageDef_FindFieldByNumber(entry_m, 2);
const upb_MessageDef* value_m = upb_FieldDef_MessageSubDef(value_f);
const upb_MiniTable* value_layout = upb_MessageDef_MiniTable(value_m);
upb_Map* fields = upb_Message_Mutable(msg, fields_f, d->arena).map;
jsondec_objstart(d);
while (jsondec_objnext(d)) {
upb_MessageValue key, value;
upb_Message* value_msg = upb_Message_New(value_layout, d->arena);
key.str_val = jsondec_string(d);
value.msg_val = value_msg;
upb_Map_Set(fields, key, value, d->arena);
jsondec_entrysep(d);
jsondec_wellknownvalue(d, value_msg, value_m);
}
jsondec_objend(d);
}
static void jsondec_wellknownvalue(jsondec* d, upb_Message* msg,
const upb_MessageDef* m) {
upb_MessageValue val;
const upb_FieldDef* f;
upb_Message* submsg;
switch (jsondec_peek(d)) {
case JD_NUMBER:
/* double number_value = 2; */
f = upb_MessageDef_FindFieldByNumber(m, 2);
val.double_val = jsondec_number(d);
break;
case JD_STRING:
/* string string_value = 3; */
f = upb_MessageDef_FindFieldByNumber(m, 3);
val.str_val = jsondec_string(d);
break;
case JD_FALSE:
/* bool bool_value = 4; */
f = upb_MessageDef_FindFieldByNumber(m, 4);
val.bool_val = false;
jsondec_false(d);
break;
case JD_TRUE:
/* bool bool_value = 4; */
f = upb_MessageDef_FindFieldByNumber(m, 4);
val.bool_val = true;
jsondec_true(d);
break;
case JD_NULL:
/* NullValue null_value = 1; */
f = upb_MessageDef_FindFieldByNumber(m, 1);
val.int32_val = 0;
jsondec_null(d);
break;
/* Note: these cases return, because upb_Message_Mutable() is enough. */
case JD_OBJECT:
/* Struct struct_value = 5; */
f = upb_MessageDef_FindFieldByNumber(m, 5);
submsg = upb_Message_Mutable(msg, f, d->arena).msg;
jsondec_struct(d, submsg, upb_FieldDef_MessageSubDef(f));
return;
case JD_ARRAY:
/* ListValue list_value = 6; */
f = upb_MessageDef_FindFieldByNumber(m, 6);
submsg = upb_Message_Mutable(msg, f, d->arena).msg;
jsondec_listvalue(d, submsg, upb_FieldDef_MessageSubDef(f));
return;
default:
UPB_UNREACHABLE();
}
upb_Message_SetFieldByDef(msg, f, val, d->arena);
}
static upb_StringView jsondec_mask(jsondec* d, const char* buf,
const char* end) {
/* FieldMask fields grow due to inserted '_' characters, so we can't do the
* transform in place. */
const char* ptr = buf;
upb_StringView ret;
char* out;
ret.size = end - ptr;
while (ptr < end) {
ret.size += (*ptr >= 'A' && *ptr <= 'Z');
ptr++;
}
out = upb_Arena_Malloc(d->arena, ret.size);
ptr = buf;
ret.data = out;
while (ptr < end) {
char ch = *ptr++;
if (ch >= 'A' && ch <= 'Z') {
*out++ = '_';
*out++ = ch + 32;
} else if (ch == '_') {
jsondec_err(d, "field mask may not contain '_'");
} else {
*out++ = ch;
}
}
return ret;
}
static void jsondec_fieldmask(jsondec* d, upb_Message* msg,
const upb_MessageDef* m) {
/* repeated string paths = 1; */
const upb_FieldDef* paths_f = upb_MessageDef_FindFieldByNumber(m, 1);
upb_Array* arr = upb_Message_Mutable(msg, paths_f, d->arena).array;
upb_StringView str = jsondec_string(d);
const char* ptr = str.data;
const char* end = ptr + str.size;
upb_MessageValue val;
while (ptr < end) {
const char* elem_end = memchr(ptr, ',', end - ptr);
if (elem_end) {
val.str_val = jsondec_mask(d, ptr, elem_end);
ptr = elem_end + 1;
} else {
val.str_val = jsondec_mask(d, ptr, end);
ptr = end;
}
upb_Array_Append(arr, val, d->arena);
}
}
static void jsondec_anyfield(jsondec* d, upb_Message* msg,
const upb_MessageDef* m) {
if (upb_MessageDef_WellKnownType(m) == kUpb_WellKnown_Unspecified) {
/* For regular types: {"@type": "[user type]", "f1": <V1>, "f2": <V2>}
* where f1, f2, etc. are the normal fields of this type. */
jsondec_field(d, msg, m);
} else {
/* For well-known types: {"@type": "[well-known type]", "value": <X>}
* where <X> is whatever encoding the WKT normally uses. */
upb_StringView str = jsondec_string(d);
jsondec_entrysep(d);
if (!jsondec_streql(str, "value")) {
jsondec_err(d, "Key for well-known type must be 'value'");
}
jsondec_wellknown(d, msg, m);
}
}
static const upb_MessageDef* jsondec_typeurl(jsondec* d, upb_Message* msg,
const upb_MessageDef* m) {
const upb_FieldDef* type_url_f = upb_MessageDef_FindFieldByNumber(m, 1);
const upb_MessageDef* type_m;
upb_StringView type_url = jsondec_string(d);
const char* end = type_url.data + type_url.size;
const char* ptr = end;
upb_MessageValue val;
val.str_val = type_url;
upb_Message_SetFieldByDef(msg, type_url_f, val, d->arena);
/* Find message name after the last '/' */
while (ptr > type_url.data && *--ptr != '/') {
}
if (ptr == type_url.data || ptr == end) {
jsondec_err(d, "Type url must have at least one '/' and non-empty host");
}
ptr++;
type_m = upb_DefPool_FindMessageByNameWithSize(d->symtab, ptr, end - ptr);
if (!type_m) {
jsondec_err(d, "Type was not found");
}
return type_m;
}
static void jsondec_any(jsondec* d, upb_Message* msg, const upb_MessageDef* m) {
/* string type_url = 1;
* bytes value = 2; */
const upb_FieldDef* value_f = upb_MessageDef_FindFieldByNumber(m, 2);
upb_Message* any_msg;
const upb_MessageDef* any_m = NULL;
const char* pre_type_data = NULL;
const char* pre_type_end = NULL;
upb_MessageValue encoded;
jsondec_objstart(d);
/* Scan looking for "@type", which is not necessarily first. */
while (!any_m && jsondec_objnext(d)) {
const char* start = d->ptr;
upb_StringView name = jsondec_string(d);
jsondec_entrysep(d);
if (jsondec_streql(name, "@type")) {
any_m = jsondec_typeurl(d, msg, m);
if (pre_type_data) {
pre_type_end = start;
while (*pre_type_end != ',') pre_type_end--;
}
} else {
if (!pre_type_data) pre_type_data = start;
jsondec_skipval(d);
}
}
if (!any_m) {
jsondec_err(d, "Any object didn't contain a '@type' field");
}
const upb_MiniTable* any_layout = upb_MessageDef_MiniTable(any_m);
any_msg = upb_Message_New(any_layout, d->arena);
if (pre_type_data) {
size_t len = pre_type_end - pre_type_data + 1;
char* tmp = upb_Arena_Malloc(d->arena, len);
const char* saved_ptr = d->ptr;
const char* saved_end = d->end;
memcpy(tmp, pre_type_data, len - 1);
tmp[len - 1] = '}';
d->ptr = tmp;
d->end = tmp + len;
d->is_first = true;
while (jsondec_objnext(d)) {
jsondec_anyfield(d, any_msg, any_m);
}
d->ptr = saved_ptr;
d->end = saved_end;
}
while (jsondec_objnext(d)) {
jsondec_anyfield(d, any_msg, any_m);
}
jsondec_objend(d);
upb_EncodeStatus status =
upb_Encode(any_msg, upb_MessageDef_MiniTable(any_m), 0, d->arena,
(char**)&encoded.str_val.data, &encoded.str_val.size);
// TODO(b/235839510): We should fail gracefully here on a bad return status.
UPB_ASSERT(status == kUpb_EncodeStatus_Ok);
upb_Message_SetFieldByDef(msg, value_f, encoded, d->arena);
}
static void jsondec_wrapper(jsondec* d, upb_Message* msg,
const upb_MessageDef* m) {
const upb_FieldDef* value_f = upb_MessageDef_FindFieldByNumber(m, 1);
upb_MessageValue val = jsondec_value(d, value_f);
upb_Message_SetFieldByDef(msg, value_f, val, d->arena);
}
static void jsondec_wellknown(jsondec* d, upb_Message* msg,
const upb_MessageDef* m) {
switch (upb_MessageDef_WellKnownType(m)) {
case kUpb_WellKnown_Any:
jsondec_any(d, msg, m);
break;
case kUpb_WellKnown_FieldMask:
jsondec_fieldmask(d, msg, m);
break;
case kUpb_WellKnown_Duration:
jsondec_duration(d, msg, m);
break;
case kUpb_WellKnown_Timestamp:
jsondec_timestamp(d, msg, m);
break;
case kUpb_WellKnown_Value:
jsondec_wellknownvalue(d, msg, m);
break;
case kUpb_WellKnown_ListValue:
jsondec_listvalue(d, msg, m);
break;
case kUpb_WellKnown_Struct:
jsondec_struct(d, msg, m);
break;
case kUpb_WellKnown_DoubleValue:
case kUpb_WellKnown_FloatValue:
case kUpb_WellKnown_Int64Value:
case kUpb_WellKnown_UInt64Value:
case kUpb_WellKnown_Int32Value:
case kUpb_WellKnown_UInt32Value:
case kUpb_WellKnown_StringValue:
case kUpb_WellKnown_BytesValue:
case kUpb_WellKnown_BoolValue:
jsondec_wrapper(d, msg, m);
break;
default:
UPB_UNREACHABLE();
}
}
static bool upb_JsonDecoder_Decode(jsondec* const d, upb_Message* const msg,
const upb_MessageDef* const m) {
if (UPB_SETJMP(d->err)) return false;
jsondec_tomsg(d, msg, m);
return true;
}
bool upb_JsonDecode(const char* buf, size_t size, upb_Message* msg,
const upb_MessageDef* m, const upb_DefPool* symtab,
int options, upb_Arena* arena, upb_Status* status) {
jsondec d;
if (size == 0) return true;
d.ptr = buf;
d.end = buf + size;
d.arena = arena;
d.symtab = symtab;
d.status = status;
d.options = options;
d.depth = 64;
d.line = 1;
d.line_begin = d.ptr;
d.debug_field = NULL;
d.is_first = false;
return upb_JsonDecoder_Decode(&d, msg, m);
}
#include <ctype.h>
#include <float.h>
#include <inttypes.h>
#include <math.h>
#include <stdarg.h>
#include <string.h>
// Must be last.
typedef struct {
char *buf, *ptr, *end;
size_t overflow;
int indent_depth;
int options;
const upb_DefPool* ext_pool;
jmp_buf err;
upb_Status* status;
upb_Arena* arena;
} jsonenc;
static void jsonenc_msg(jsonenc* e, const upb_Message* msg,
const upb_MessageDef* m);
static void jsonenc_scalar(jsonenc* e, upb_MessageValue val,
const upb_FieldDef* f);
static void jsonenc_msgfield(jsonenc* e, const upb_Message* msg,
const upb_MessageDef* m);
static void jsonenc_msgfields(jsonenc* e, const upb_Message* msg,
const upb_MessageDef* m, bool first);
static void jsonenc_value(jsonenc* e, const upb_Message* msg,
const upb_MessageDef* m);
UPB_NORETURN static void jsonenc_err(jsonenc* e, const char* msg) {
upb_Status_SetErrorMessage(e->status, msg);
longjmp(e->err, 1);
}
UPB_PRINTF(2, 3)
UPB_NORETURN static void jsonenc_errf(jsonenc* e, const char* fmt, ...) {
va_list argp;
va_start(argp, fmt);
upb_Status_VSetErrorFormat(e->status, fmt, argp);
va_end(argp);
longjmp(e->err, 1);
}
static upb_Arena* jsonenc_arena(jsonenc* e) {
/* Create lazily, since it's only needed for Any */
if (!e->arena) {
e->arena = upb_Arena_New();
}
return e->arena;
}
static void jsonenc_putbytes(jsonenc* e, const void* data, size_t len) {
size_t have = e->end - e->ptr;
if (UPB_LIKELY(have >= len)) {
memcpy(e->ptr, data, len);
e->ptr += len;
} else {
if (have) {
memcpy(e->ptr, data, have);
e->ptr += have;
}
e->overflow += (len - have);
}
}
static void jsonenc_putstr(jsonenc* e, const char* str) {
jsonenc_putbytes(e, str, strlen(str));
}
UPB_PRINTF(2, 3)
static void jsonenc_printf(jsonenc* e, const char* fmt, ...) {
size_t n;
size_t have = e->end - e->ptr;
va_list args;
va_start(args, fmt);
n = _upb_vsnprintf(e->ptr, have, fmt, args);
va_end(args);
if (UPB_LIKELY(have > n)) {
e->ptr += n;
} else {
e->ptr = UPB_PTRADD(e->ptr, have);
e->overflow += (n - have);
}
}
static void jsonenc_nanos(jsonenc* e, int32_t nanos) {
int digits = 9;
if (nanos == 0) return;
if (nanos < 0 || nanos >= 1000000000) {
jsonenc_err(e, "error formatting timestamp as JSON: invalid nanos");
}
while (nanos % 1000 == 0) {
nanos /= 1000;
digits -= 3;
}
jsonenc_printf(e, ".%.*" PRId32, digits, nanos);
}
static void jsonenc_timestamp(jsonenc* e, const upb_Message* msg,
const upb_MessageDef* m) {
const upb_FieldDef* seconds_f = upb_MessageDef_FindFieldByNumber(m, 1);
const upb_FieldDef* nanos_f = upb_MessageDef_FindFieldByNumber(m, 2);
int64_t seconds = upb_Message_GetFieldByDef(msg, seconds_f).int64_val;
int32_t nanos = upb_Message_GetFieldByDef(msg, nanos_f).int32_val;
int L, N, I, J, K, hour, min, sec;
if (seconds < -62135596800) {
jsonenc_err(e,
"error formatting timestamp as JSON: minimum acceptable value "
"is 0001-01-01T00:00:00Z");
} else if (seconds > 253402300799) {
jsonenc_err(e,
"error formatting timestamp as JSON: maximum acceptable value "
"is 9999-12-31T23:59:59Z");
}
/* Julian Day -> Y/M/D, Algorithm from:
* Fliegel, H. F., and Van Flandern, T. C., "A Machine Algorithm for
* Processing Calendar Dates," Communications of the Association of
* Computing Machines, vol. 11 (1968), p. 657. */
seconds += 62135596800; // Ensure seconds is positive.
L = (int)(seconds / 86400) - 719162 + 68569 + 2440588;
N = 4 * L / 146097;
L = L - (146097 * N + 3) / 4;
I = 4000 * (L + 1) / 1461001;
L = L - 1461 * I / 4 + 31;
J = 80 * L / 2447;
K = L - 2447 * J / 80;
L = J / 11;
J = J + 2 - 12 * L;
I = 100 * (N - 49) + I + L;
sec = seconds % 60;
min = (seconds / 60) % 60;
hour = (seconds / 3600) % 24;
jsonenc_printf(e, "\"%04d-%02d-%02dT%02d:%02d:%02d", I, J, K, hour, min, sec);
jsonenc_nanos(e, nanos);
jsonenc_putstr(e, "Z\"");
}
static void jsonenc_duration(jsonenc* e, const upb_Message* msg,
const upb_MessageDef* m) {
const upb_FieldDef* seconds_f = upb_MessageDef_FindFieldByNumber(m, 1);
const upb_FieldDef* nanos_f = upb_MessageDef_FindFieldByNumber(m, 2);
int64_t seconds = upb_Message_GetFieldByDef(msg, seconds_f).int64_val;
int32_t nanos = upb_Message_GetFieldByDef(msg, nanos_f).int32_val;
bool negative = false;
if (seconds > 315576000000 || seconds < -315576000000 ||
(seconds != 0 && nanos != 0 && (seconds < 0) != (nanos < 0))) {
jsonenc_err(e, "bad duration");
}
if (seconds < 0) {
negative = true;
seconds = -seconds;
}
if (nanos < 0) {
negative = true;
nanos = -nanos;
}
jsonenc_putstr(e, "\"");
if (negative) {
jsonenc_putstr(e, "-");
}
jsonenc_printf(e, "%" PRId64, seconds);
jsonenc_nanos(e, nanos);
jsonenc_putstr(e, "s\"");
}
static void jsonenc_enum(int32_t val, const upb_FieldDef* f, jsonenc* e) {
const upb_EnumDef* e_def = upb_FieldDef_EnumSubDef(f);
if (strcmp(upb_EnumDef_FullName(e_def), "google.protobuf.NullValue") == 0) {
jsonenc_putstr(e, "null");
} else {
const upb_EnumValueDef* ev =
(e->options & upb_JsonEncode_FormatEnumsAsIntegers)
? NULL
: upb_EnumDef_FindValueByNumber(e_def, val);
if (ev) {
jsonenc_printf(e, "\"%s\"", upb_EnumValueDef_Name(ev));
} else {
jsonenc_printf(e, "%" PRId32, val);
}
}
}
static void jsonenc_bytes(jsonenc* e, upb_StringView str) {
/* This is the regular base64, not the "web-safe" version. */
static const char base64[] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
const unsigned char* ptr = (unsigned char*)str.data;
const unsigned char* end = UPB_PTRADD(ptr, str.size);
char buf[4];
jsonenc_putstr(e, "\"");
while (end - ptr >= 3) {
buf[0] = base64[ptr[0] >> 2];
buf[1] = base64[((ptr[0] & 0x3) << 4) | (ptr[1] >> 4)];
buf[2] = base64[((ptr[1] & 0xf) << 2) | (ptr[2] >> 6)];
buf[3] = base64[ptr[2] & 0x3f];
jsonenc_putbytes(e, buf, 4);
ptr += 3;
}
switch (end - ptr) {
case 2:
buf[0] = base64[ptr[0] >> 2];
buf[1] = base64[((ptr[0] & 0x3) << 4) | (ptr[1] >> 4)];
buf[2] = base64[(ptr[1] & 0xf) << 2];
buf[3] = '=';
jsonenc_putbytes(e, buf, 4);
break;
case 1:
buf[0] = base64[ptr[0] >> 2];
buf[1] = base64[((ptr[0] & 0x3) << 4)];
buf[2] = '=';
buf[3] = '=';
jsonenc_putbytes(e, buf, 4);
break;
}
jsonenc_putstr(e, "\"");
}
static void jsonenc_stringbody(jsonenc* e, upb_StringView str) {
const char* ptr = str.data;
const char* end = UPB_PTRADD(ptr, str.size);
while (ptr < end) {
switch (*ptr) {
case '\n':
jsonenc_putstr(e, "\\n");
break;
case '\r':
jsonenc_putstr(e, "\\r");
break;
case '\t':
jsonenc_putstr(e, "\\t");
break;
case '\"':
jsonenc_putstr(e, "\\\"");
break;
case '\f':
jsonenc_putstr(e, "\\f");
break;
case '\b':
jsonenc_putstr(e, "\\b");
break;
case '\\':
jsonenc_putstr(e, "\\\\");
break;
default:
if ((uint8_t)*ptr < 0x20) {
jsonenc_printf(e, "\\u%04x", (int)(uint8_t)*ptr);
} else {
/* This could be a non-ASCII byte. We rely on the string being valid
* UTF-8. */
jsonenc_putbytes(e, ptr, 1);
}
break;
}
ptr++;
}
}
static void jsonenc_string(jsonenc* e, upb_StringView str) {
jsonenc_putstr(e, "\"");
jsonenc_stringbody(e, str);
jsonenc_putstr(e, "\"");
}
static bool upb_JsonEncode_HandleSpecialDoubles(jsonenc* e, double val) {
if (val == INFINITY) {
jsonenc_putstr(e, "\"Infinity\"");
} else if (val == -INFINITY) {
jsonenc_putstr(e, "\"-Infinity\"");
} else if (val != val) {
jsonenc_putstr(e, "\"NaN\"");
} else {
return false;
}
return true;
}
static void upb_JsonEncode_Double(jsonenc* e, double val) {
if (upb_JsonEncode_HandleSpecialDoubles(e, val)) return;
char buf[32];
_upb_EncodeRoundTripDouble(val, buf, sizeof(buf));
jsonenc_putstr(e, buf);
}
static void upb_JsonEncode_Float(jsonenc* e, float val) {
if (upb_JsonEncode_HandleSpecialDoubles(e, val)) return;
char buf[32];
_upb_EncodeRoundTripFloat(val, buf, sizeof(buf));
jsonenc_putstr(e, buf);
}
static void jsonenc_wrapper(jsonenc* e, const upb_Message* msg,
const upb_MessageDef* m) {
const upb_FieldDef* val_f = upb_MessageDef_FindFieldByNumber(m, 1);
upb_MessageValue val = upb_Message_GetFieldByDef(msg, val_f);
jsonenc_scalar(e, val, val_f);
}
static const upb_MessageDef* jsonenc_getanymsg(jsonenc* e,
upb_StringView type_url) {
/* Find last '/', if any. */
const char* end = type_url.data + type_url.size;
const char* ptr = end;
const upb_MessageDef* ret;
if (!e->ext_pool) {
jsonenc_err(e, "Tried to encode Any, but no symtab was provided");
}
if (type_url.size == 0) goto badurl;
while (true) {
if (--ptr == type_url.data) {
/* Type URL must contain at least one '/', with host before. */
goto badurl;
}
if (*ptr == '/') {
ptr++;
break;
}
}
ret = upb_DefPool_FindMessageByNameWithSize(e->ext_pool, ptr, end - ptr);
if (!ret) {
jsonenc_errf(e, "Couldn't find Any type: %.*s", (int)(end - ptr), ptr);
}
return ret;
badurl:
jsonenc_errf(e, "Bad type URL: " UPB_STRINGVIEW_FORMAT,
UPB_STRINGVIEW_ARGS(type_url));
}
static void jsonenc_any(jsonenc* e, const upb_Message* msg,
const upb_MessageDef* m) {
const upb_FieldDef* type_url_f = upb_MessageDef_FindFieldByNumber(m, 1);
const upb_FieldDef* value_f = upb_MessageDef_FindFieldByNumber(m, 2);
upb_StringView type_url = upb_Message_GetFieldByDef(msg, type_url_f).str_val;
upb_StringView value = upb_Message_GetFieldByDef(msg, value_f).str_val;
const upb_MessageDef* any_m = jsonenc_getanymsg(e, type_url);
const upb_MiniTable* any_layout = upb_MessageDef_MiniTable(any_m);
upb_Arena* arena = jsonenc_arena(e);
upb_Message* any = upb_Message_New(any_layout, arena);
if (upb_Decode(value.data, value.size, any, any_layout, NULL, 0, arena) !=
kUpb_DecodeStatus_Ok) {
jsonenc_err(e, "Error decoding message in Any");
}
jsonenc_putstr(e, "{\"@type\":");
jsonenc_string(e, type_url);
if (upb_MessageDef_WellKnownType(any_m) == kUpb_WellKnown_Unspecified) {
/* Regular messages: {"@type": "...","foo": 1, "bar": 2} */
jsonenc_msgfields(e, any, any_m, false);
} else {
/* Well-known type: {"@type": "...","value": <well-known encoding>} */
jsonenc_putstr(e, ",\"value\":");
jsonenc_msgfield(e, any, any_m);
}
jsonenc_putstr(e, "}");
}
static void jsonenc_putsep(jsonenc* e, const char* str, bool* first) {
if (*first) {
*first = false;
} else {
jsonenc_putstr(e, str);
}
}
static void jsonenc_fieldpath(jsonenc* e, upb_StringView path) {
const char* ptr = path.data;
const char* end = ptr + path.size;
while (ptr < end) {
char ch = *ptr;
if (ch >= 'A' && ch <= 'Z') {
jsonenc_err(e, "Field mask element may not have upper-case letter.");
} else if (ch == '_') {
if (ptr == end - 1 || *(ptr + 1) < 'a' || *(ptr + 1) > 'z') {
jsonenc_err(e, "Underscore must be followed by a lowercase letter.");
}
ch = *++ptr - 32;
}
jsonenc_putbytes(e, &ch, 1);
ptr++;
}
}
static void jsonenc_fieldmask(jsonenc* e, const upb_Message* msg,
const upb_MessageDef* m) {
const upb_FieldDef* paths_f = upb_MessageDef_FindFieldByNumber(m, 1);
const upb_Array* paths = upb_Message_GetFieldByDef(msg, paths_f).array_val;
bool first = true;
size_t i, n = 0;
if (paths) n = upb_Array_Size(paths);
jsonenc_putstr(e, "\"");
for (i = 0; i < n; i++) {
jsonenc_putsep(e, ",", &first);
jsonenc_fieldpath(e, upb_Array_Get(paths, i).str_val);
}
jsonenc_putstr(e, "\"");
}
static void jsonenc_struct(jsonenc* e, const upb_Message* msg,
const upb_MessageDef* m) {
jsonenc_putstr(e, "{");
const upb_FieldDef* fields_f = upb_MessageDef_FindFieldByNumber(m, 1);
const upb_Map* fields = upb_Message_GetFieldByDef(msg, fields_f).map_val;
if (fields) {
const upb_MessageDef* entry_m = upb_FieldDef_MessageSubDef(fields_f);
const upb_FieldDef* value_f = upb_MessageDef_FindFieldByNumber(entry_m, 2);
size_t iter = kUpb_Map_Begin;
bool first = true;
upb_MessageValue key, val;
while (upb_Map_Next(fields, &key, &val, &iter)) {
jsonenc_putsep(e, ",", &first);
jsonenc_string(e, key.str_val);
jsonenc_putstr(e, ":");
jsonenc_value(e, val.msg_val, upb_FieldDef_MessageSubDef(value_f));
}
}
jsonenc_putstr(e, "}");
}
static void jsonenc_listvalue(jsonenc* e, const upb_Message* msg,
const upb_MessageDef* m) {
const upb_FieldDef* values_f = upb_MessageDef_FindFieldByNumber(m, 1);
const upb_MessageDef* values_m = upb_FieldDef_MessageSubDef(values_f);
const upb_Array* values = upb_Message_GetFieldByDef(msg, values_f).array_val;
size_t i;
bool first = true;
jsonenc_putstr(e, "[");
if (values) {
const size_t size = upb_Array_Size(values);
for (i = 0; i < size; i++) {
upb_MessageValue elem = upb_Array_Get(values, i);
jsonenc_putsep(e, ",", &first);
jsonenc_value(e, elem.msg_val, values_m);
}
}
jsonenc_putstr(e, "]");
}
static void jsonenc_value(jsonenc* e, const upb_Message* msg,
const upb_MessageDef* m) {
/* TODO(haberman): do we want a reflection method to get oneof case? */
size_t iter = kUpb_Message_Begin;
const upb_FieldDef* f;
upb_MessageValue val;
if (!upb_Message_Next(msg, m, NULL, &f, &val, &iter)) {
jsonenc_err(e, "No value set in Value proto");
}
switch (upb_FieldDef_Number(f)) {
case 1:
jsonenc_putstr(e, "null");
break;
case 2:
if (upb_JsonEncode_HandleSpecialDoubles(e, val.double_val)) {
jsonenc_err(
e,
"google.protobuf.Value cannot encode double values for "
"infinity or nan, because they would be parsed as a string");
}
upb_JsonEncode_Double(e, val.double_val);
break;
case 3:
jsonenc_string(e, val.str_val);
break;
case 4:
jsonenc_putstr(e, val.bool_val ? "true" : "false");
break;
case 5:
jsonenc_struct(e, val.msg_val, upb_FieldDef_MessageSubDef(f));
break;
case 6:
jsonenc_listvalue(e, val.msg_val, upb_FieldDef_MessageSubDef(f));
break;
}
}
static void jsonenc_msgfield(jsonenc* e, const upb_Message* msg,
const upb_MessageDef* m) {
switch (upb_MessageDef_WellKnownType(m)) {
case kUpb_WellKnown_Unspecified:
jsonenc_msg(e, msg, m);
break;
case kUpb_WellKnown_Any:
jsonenc_any(e, msg, m);
break;
case kUpb_WellKnown_FieldMask:
jsonenc_fieldmask(e, msg, m);
break;
case kUpb_WellKnown_Duration:
jsonenc_duration(e, msg, m);
break;
case kUpb_WellKnown_Timestamp:
jsonenc_timestamp(e, msg, m);
break;
case kUpb_WellKnown_DoubleValue:
case kUpb_WellKnown_FloatValue:
case kUpb_WellKnown_Int64Value:
case kUpb_WellKnown_UInt64Value:
case kUpb_WellKnown_Int32Value:
case kUpb_WellKnown_UInt32Value:
case kUpb_WellKnown_StringValue:
case kUpb_WellKnown_BytesValue:
case kUpb_WellKnown_BoolValue:
jsonenc_wrapper(e, msg, m);
break;
case kUpb_WellKnown_Value:
jsonenc_value(e, msg, m);
break;
case kUpb_WellKnown_ListValue:
jsonenc_listvalue(e, msg, m);
break;
case kUpb_WellKnown_Struct:
jsonenc_struct(e, msg, m);
break;
}
}
static void jsonenc_scalar(jsonenc* e, upb_MessageValue val,
const upb_FieldDef* f) {
switch (upb_FieldDef_CType(f)) {
case kUpb_CType_Bool:
jsonenc_putstr(e, val.bool_val ? "true" : "false");
break;
case kUpb_CType_Float:
upb_JsonEncode_Float(e, val.float_val);
break;
case kUpb_CType_Double:
upb_JsonEncode_Double(e, val.double_val);
break;
case kUpb_CType_Int32:
jsonenc_printf(e, "%" PRId32, val.int32_val);
break;
case kUpb_CType_UInt32:
jsonenc_printf(e, "%" PRIu32, val.uint32_val);
break;
case kUpb_CType_Int64:
jsonenc_printf(e, "\"%" PRId64 "\"", val.int64_val);
break;
case kUpb_CType_UInt64:
jsonenc_printf(e, "\"%" PRIu64 "\"", val.uint64_val);
break;
case kUpb_CType_String:
jsonenc_string(e, val.str_val);
break;
case kUpb_CType_Bytes:
jsonenc_bytes(e, val.str_val);
break;
case kUpb_CType_Enum:
jsonenc_enum(val.int32_val, f, e);
break;
case kUpb_CType_Message:
jsonenc_msgfield(e, val.msg_val, upb_FieldDef_MessageSubDef(f));
break;
}
}
static void jsonenc_mapkey(jsonenc* e, upb_MessageValue val,
const upb_FieldDef* f) {
jsonenc_putstr(e, "\"");
switch (upb_FieldDef_CType(f)) {
case kUpb_CType_Bool:
jsonenc_putstr(e, val.bool_val ? "true" : "false");
break;
case kUpb_CType_Int32:
jsonenc_printf(e, "%" PRId32, val.int32_val);
break;
case kUpb_CType_UInt32:
jsonenc_printf(e, "%" PRIu32, val.uint32_val);
break;
case kUpb_CType_Int64:
jsonenc_printf(e, "%" PRId64, val.int64_val);
break;
case kUpb_CType_UInt64:
jsonenc_printf(e, "%" PRIu64, val.uint64_val);
break;
case kUpb_CType_String:
jsonenc_stringbody(e, val.str_val);
break;
default:
UPB_UNREACHABLE();
}
jsonenc_putstr(e, "\":");
}
static void jsonenc_array(jsonenc* e, const upb_Array* arr,
const upb_FieldDef* f) {
size_t i;
size_t size = arr ? upb_Array_Size(arr) : 0;
bool first = true;
jsonenc_putstr(e, "[");
for (i = 0; i < size; i++) {
jsonenc_putsep(e, ",", &first);
jsonenc_scalar(e, upb_Array_Get(arr, i), f);
}
jsonenc_putstr(e, "]");
}
static void jsonenc_map(jsonenc* e, const upb_Map* map, const upb_FieldDef* f) {
jsonenc_putstr(e, "{");
const upb_MessageDef* entry = upb_FieldDef_MessageSubDef(f);
const upb_FieldDef* key_f = upb_MessageDef_FindFieldByNumber(entry, 1);
const upb_FieldDef* val_f = upb_MessageDef_FindFieldByNumber(entry, 2);
if (map) {
size_t iter = kUpb_Map_Begin;
bool first = true;
upb_MessageValue key, val;
while (upb_Map_Next(map, &key, &val, &iter)) {
jsonenc_putsep(e, ",", &first);
jsonenc_mapkey(e, key, key_f);
jsonenc_scalar(e, val, val_f);
}
}
jsonenc_putstr(e, "}");
}
static void jsonenc_fieldval(jsonenc* e, const upb_FieldDef* f,
upb_MessageValue val, bool* first) {
const char* name;
jsonenc_putsep(e, ",", first);
if (upb_FieldDef_IsExtension(f)) {
// TODO: For MessageSet, I would have expected this to print the message
// name here, but Python doesn't appear to do this. We should do more
// research here about what various implementations do.
jsonenc_printf(e, "\"[%s]\":", upb_FieldDef_FullName(f));
} else {
if (e->options & upb_JsonEncode_UseProtoNames) {
name = upb_FieldDef_Name(f);
} else {
name = upb_FieldDef_JsonName(f);
}
jsonenc_printf(e, "\"%s\":", name);
}
if (upb_FieldDef_IsMap(f)) {
jsonenc_map(e, val.map_val, f);
} else if (upb_FieldDef_IsRepeated(f)) {
jsonenc_array(e, val.array_val, f);
} else {
jsonenc_scalar(e, val, f);
}
}
static void jsonenc_msgfields(jsonenc* e, const upb_Message* msg,
const upb_MessageDef* m, bool first) {
upb_MessageValue val;
const upb_FieldDef* f;
if (e->options & upb_JsonEncode_EmitDefaults) {
/* Iterate over all fields. */
int i = 0;
int n = upb_MessageDef_FieldCount(m);
for (i = 0; i < n; i++) {
f = upb_MessageDef_Field(m, i);
if (!upb_FieldDef_HasPresence(f) || upb_Message_HasFieldByDef(msg, f)) {
jsonenc_fieldval(e, f, upb_Message_GetFieldByDef(msg, f), &first);
}
}
} else {
/* Iterate over non-empty fields. */
size_t iter = kUpb_Message_Begin;
while (upb_Message_Next(msg, m, e->ext_pool, &f, &val, &iter)) {
jsonenc_fieldval(e, f, val, &first);
}
}
}
static void jsonenc_msg(jsonenc* e, const upb_Message* msg,
const upb_MessageDef* m) {
jsonenc_putstr(e, "{");
jsonenc_msgfields(e, msg, m, true);
jsonenc_putstr(e, "}");
}
static size_t jsonenc_nullz(jsonenc* e, size_t size) {
size_t ret = e->ptr - e->buf + e->overflow;
if (size > 0) {
if (e->ptr == e->end) e->ptr--;
*e->ptr = '\0';
}
return ret;
}
static size_t upb_JsonEncoder_Encode(jsonenc* const e,
const upb_Message* const msg,
const upb_MessageDef* const m,
const size_t size) {
if (UPB_SETJMP(e->err) != 0) return -1;
jsonenc_msgfield(e, msg, m);
if (e->arena) upb_Arena_Free(e->arena);
return jsonenc_nullz(e, size);
}
size_t upb_JsonEncode(const upb_Message* msg, const upb_MessageDef* m,
const upb_DefPool* ext_pool, int options, char* buf,
size_t size, upb_Status* status) {
jsonenc e;
e.buf = buf;
e.ptr = buf;
e.end = UPB_PTRADD(buf, size);
e.overflow = 0;
e.options = options;
e.ext_pool = ext_pool;
e.status = status;
e.arena = NULL;
return upb_JsonEncoder_Encode(&e, msg, m, size);
}
// Must be last.
const char* upb_BufToUint64(const char* ptr, const char* end, uint64_t* val) {
uint64_t u64 = 0;
while (ptr < end) {
unsigned ch = *ptr - '0';
if (ch >= 10) break;
if (u64 > UINT64_MAX / 10 || u64 * 10 > UINT64_MAX - ch) {
return NULL; // integer overflow
}
u64 *= 10;
u64 += ch;
ptr++;
}
*val = u64;
return ptr;
}
const char* upb_BufToInt64(const char* ptr, const char* end, int64_t* val,
bool* is_neg) {
bool neg = false;
uint64_t u64;
if (ptr != end && *ptr == '-') {
ptr++;
neg = true;
}
ptr = upb_BufToUint64(ptr, end, &u64);
if (!ptr || u64 > (uint64_t)INT64_MAX + neg) {
return NULL; // integer overflow
}
*val = neg ? -u64 : u64;
if (is_neg) *is_neg = neg;
return ptr;
}
#include <float.h>
#include <stdlib.h>
// Must be last.
/* Miscellaneous utilities ****************************************************/
static void upb_FixLocale(char* p) {
/* printf() is dependent on locales; sadly there is no easy and portable way
* to avoid this. This little post-processing step will translate 1,2 -> 1.2
* since JSON needs the latter. Arguably a hack, but it is simple and the
* alternatives are far more complicated, platform-dependent, and/or larger
* in code size. */
for (; *p; p++) {
if (*p == ',') *p = '.';
}
}
void _upb_EncodeRoundTripDouble(double val, char* buf, size_t size) {
assert(size >= kUpb_RoundTripBufferSize);
snprintf(buf, size, "%.*g", DBL_DIG, val);
if (strtod(buf, NULL) != val) {
snprintf(buf, size, "%.*g", DBL_DIG + 2, val);
assert(strtod(buf, NULL) == val);
}
upb_FixLocale(buf);
}
void _upb_EncodeRoundTripFloat(float val, char* buf, size_t size) {
assert(size >= kUpb_RoundTripBufferSize);
snprintf(buf, size, "%.*g", FLT_DIG, val);
if (strtof(buf, NULL) != val) {
snprintf(buf, size, "%.*g", FLT_DIG + 3, val);
assert(strtof(buf, NULL) == val);
}
upb_FixLocale(buf);
}
#include <stdlib.h>
#include <string.h>
// Must be last.
// Determine the locale-specific radix character by calling sprintf() to print
// the number 1.5, then stripping off the digits. As far as I can tell, this
// is the only portable, thread-safe way to get the C library to divulge the
// locale's radix character. No, localeconv() is NOT thread-safe.
static int GetLocaleRadix(char *data, size_t capacity) {
char temp[16];
const int size = snprintf(temp, sizeof(temp), "%.1f", 1.5);
UPB_ASSERT(temp[0] == '1');
UPB_ASSERT(temp[size - 1] == '5');
UPB_ASSERT(size < capacity);
temp[size - 1] = '\0';
strcpy(data, temp + 1);
return size - 2;
}
// Populates a string identical to *input except that the character pointed to
// by pos (which should be '.') is replaced with the locale-specific radix.
static void LocalizeRadix(const char *input, const char *pos, char *output) {
const int len1 = pos - input;
char radix[8];
const int len2 = GetLocaleRadix(radix, sizeof(radix));
memcpy(output, input, len1);
memcpy(output + len1, radix, len2);
strcpy(output + len1 + len2, input + len1 + 1);
}
double _upb_NoLocaleStrtod(const char *str, char **endptr) {
// We cannot simply set the locale to "C" temporarily with setlocale()
// as this is not thread-safe. Instead, we try to parse in the current
// locale first. If parsing stops at a '.' character, then this is a
// pretty good hint that we're actually in some other locale in which
// '.' is not the radix character.
char *temp_endptr;
double result = strtod(str, &temp_endptr);
if (endptr != NULL) *endptr = temp_endptr;
if (*temp_endptr != '.') return result;
// Parsing halted on a '.'. Perhaps we're in a different locale? Let's
// try to replace the '.' with a locale-specific radix character and
// try again.
char localized[80];
LocalizeRadix(str, temp_endptr, localized);
char *localized_endptr;
result = strtod(localized, &localized_endptr);
if ((localized_endptr - &localized[0]) > (temp_endptr - str)) {
// This attempt got further, so replacing the decimal must have helped.
// Update endptr to point at the right location.
if (endptr != NULL) {
// size_diff is non-zero if the localized radix has multiple bytes.
int size_diff = strlen(localized) - strlen(str);
*endptr = (char *)str + (localized_endptr - &localized[0] - size_diff);
}
}
return result;
}
// Must be last.
int upb_Unicode_ToUTF8(uint32_t cp, char* out) {
if (cp <= 0x7f) {
out[0] = cp;
return 1;
}
if (cp <= 0x07ff) {
out[0] = (cp >> 6) | 0xc0;
out[1] = (cp & 0x3f) | 0x80;
return 2;
}
if (cp <= 0xffff) {
out[0] = (cp >> 12) | 0xe0;
out[1] = ((cp >> 6) & 0x3f) | 0x80;
out[2] = (cp & 0x3f) | 0x80;
return 3;
}
if (cp <= 0x10ffff) {
out[0] = (cp >> 18) | 0xf0;
out[1] = ((cp >> 12) & 0x3f) | 0x80;
out[2] = ((cp >> 6) & 0x3f) | 0x80;
out[3] = (cp & 0x3f) | 0x80;
return 4;
}
return 0;
}
#include <stdlib.h>
// Must be last.
static void* upb_global_allocfunc(upb_alloc* alloc, void* ptr, size_t oldsize,
size_t size) {
UPB_UNUSED(alloc);
UPB_UNUSED(oldsize);
if (size == 0) {
free(ptr);
return NULL;
} else {
return realloc(ptr, size);
}
}
upb_alloc upb_alloc_global = {&upb_global_allocfunc};
// Must be last.
struct _upb_MemBlock {
// Atomic only for the benefit of SpaceAllocated().
UPB_ATOMIC(_upb_MemBlock*) next;
uint32_t size;
// Data follows.
};
static const size_t memblock_reserve =
UPB_ALIGN_UP(sizeof(_upb_MemBlock), UPB_MALLOC_ALIGN);
typedef struct _upb_ArenaRoot {
upb_Arena* root;
uintptr_t tagged_count;
} _upb_ArenaRoot;
static _upb_ArenaRoot _upb_Arena_FindRoot(upb_Arena* a) {
uintptr_t poc = upb_Atomic_Load(&a->parent_or_count, memory_order_acquire);
while (_upb_Arena_IsTaggedPointer(poc)) {
upb_Arena* next = _upb_Arena_PointerFromTagged(poc);
UPB_ASSERT(a != next);
uintptr_t next_poc =
upb_Atomic_Load(&next->parent_or_count, memory_order_acquire);
if (_upb_Arena_IsTaggedPointer(next_poc)) {
// To keep complexity down, we lazily collapse levels of the tree. This
// keeps it flat in the final case, but doesn't cost much incrementally.
//
// Path splitting keeps time complexity down, see:
// https://en.wikipedia.org/wiki/Disjoint-set_data_structure
//
// We can safely use a relaxed atomic here because all threads doing this
// will converge on the same value and we don't need memory orderings to
// be visible.
//
// This is true because:
// - If no fuses occur, this will eventually become the root.
// - If fuses are actively occuring, the root may change, but the
// invariant is that `parent_or_count` merely points to *a* parent.
//
// In other words, it is moving towards "the" root, and that root may move
// further away over time, but the path towards that root will continue to
// be valid and the creation of the path carries all the memory orderings
// required.
UPB_ASSERT(a != _upb_Arena_PointerFromTagged(next_poc));
upb_Atomic_Store(&a->parent_or_count, next_poc, memory_order_relaxed);
}
a = next;
poc = next_poc;
}
return (_upb_ArenaRoot){.root = a, .tagged_count = poc};
}
size_t upb_Arena_SpaceAllocated(upb_Arena* arena) {
arena = _upb_Arena_FindRoot(arena).root;
size_t memsize = 0;
while (arena != NULL) {
_upb_MemBlock* block =
upb_Atomic_Load(&arena->blocks, memory_order_relaxed);
while (block != NULL) {
memsize += sizeof(_upb_MemBlock) + block->size;
block = upb_Atomic_Load(&block->next, memory_order_relaxed);
}
arena = upb_Atomic_Load(&arena->next, memory_order_relaxed);
}
return memsize;
}
uint32_t upb_Arena_DebugRefCount(upb_Arena* a) {
// These loads could probably be relaxed, but given that this is debug-only,
// it's not worth introducing a new variant for it.
uintptr_t poc = upb_Atomic_Load(&a->parent_or_count, memory_order_acquire);
while (_upb_Arena_IsTaggedPointer(poc)) {
a = _upb_Arena_PointerFromTagged(poc);
poc = upb_Atomic_Load(&a->parent_or_count, memory_order_acquire);
}
return _upb_Arena_RefCountFromTagged(poc);
}
static void upb_Arena_AddBlock(upb_Arena* a, void* ptr, size_t size) {
_upb_MemBlock* block = ptr;
// Insert into linked list.
block->size = (uint32_t)size;
upb_Atomic_Init(&block->next, a->blocks);
upb_Atomic_Store(&a->blocks, block, memory_order_release);
a->head.ptr = UPB_PTR_AT(block, memblock_reserve, char);
a->head.end = UPB_PTR_AT(block, size, char);
UPB_POISON_MEMORY_REGION(a->head.ptr, a->head.end - a->head.ptr);
}
static bool upb_Arena_AllocBlock(upb_Arena* a, size_t size) {
if (!a->block_alloc) return false;
_upb_MemBlock* last_block = upb_Atomic_Load(&a->blocks, memory_order_acquire);
size_t last_size = last_block != NULL ? last_block->size : 128;
size_t block_size = UPB_MAX(size, last_size * 2) + memblock_reserve;
_upb_MemBlock* block = upb_malloc(upb_Arena_BlockAlloc(a), block_size);
if (!block) return false;
upb_Arena_AddBlock(a, block, block_size);
return true;
}
void* _upb_Arena_SlowMalloc(upb_Arena* a, size_t size) {
if (!upb_Arena_AllocBlock(a, size)) return NULL; /* Out of memory. */
UPB_ASSERT(_upb_ArenaHas(a) >= size);
return upb_Arena_Malloc(a, size);
}
/* Public Arena API ***********************************************************/
static upb_Arena* upb_Arena_InitSlow(upb_alloc* alloc) {
const size_t first_block_overhead = sizeof(upb_Arena) + memblock_reserve;
upb_Arena* a;
/* We need to malloc the initial block. */
char* mem;
size_t n = first_block_overhead + 256;
if (!alloc || !(mem = upb_malloc(alloc, n))) {
return NULL;
}
a = UPB_PTR_AT(mem, n - sizeof(*a), upb_Arena);
n -= sizeof(*a);
a->block_alloc = upb_Arena_MakeBlockAlloc(alloc, 0);
upb_Atomic_Init(&a->parent_or_count, _upb_Arena_TaggedFromRefcount(1));
upb_Atomic_Init(&a->next, NULL);
upb_Atomic_Init(&a->tail, a);
upb_Atomic_Init(&a->blocks, NULL);
upb_Arena_AddBlock(a, mem, n);
return a;
}
upb_Arena* upb_Arena_Init(void* mem, size_t n, upb_alloc* alloc) {
upb_Arena* a;
if (n) {
/* Align initial pointer up so that we return properly-aligned pointers. */
void* aligned = (void*)UPB_ALIGN_UP((uintptr_t)mem, UPB_MALLOC_ALIGN);
size_t delta = (uintptr_t)aligned - (uintptr_t)mem;
n = delta <= n ? n - delta : 0;
mem = aligned;
}
/* Round block size down to alignof(*a) since we will allocate the arena
* itself at the end. */
n = UPB_ALIGN_DOWN(n, UPB_ALIGN_OF(upb_Arena));
if (UPB_UNLIKELY(n < sizeof(upb_Arena))) {
return upb_Arena_InitSlow(alloc);
}
a = UPB_PTR_AT(mem, n - sizeof(*a), upb_Arena);
upb_Atomic_Init(&a->parent_or_count, _upb_Arena_TaggedFromRefcount(1));
upb_Atomic_Init(&a->next, NULL);
upb_Atomic_Init(&a->tail, a);
upb_Atomic_Init(&a->blocks, NULL);
a->block_alloc = upb_Arena_MakeBlockAlloc(alloc, 1);
a->head.ptr = mem;
a->head.end = UPB_PTR_AT(mem, n - sizeof(*a), char);
return a;
}
static void arena_dofree(upb_Arena* a) {
UPB_ASSERT(_upb_Arena_RefCountFromTagged(a->parent_or_count) == 1);
while (a != NULL) {
// Load first since arena itself is likely from one of its blocks.
upb_Arena* next_arena =
(upb_Arena*)upb_Atomic_Load(&a->next, memory_order_acquire);
upb_alloc* block_alloc = upb_Arena_BlockAlloc(a);
_upb_MemBlock* block = upb_Atomic_Load(&a->blocks, memory_order_acquire);
while (block != NULL) {
// Load first since we are deleting block.
_upb_MemBlock* next_block =
upb_Atomic_Load(&block->next, memory_order_acquire);
upb_free(block_alloc, block);
block = next_block;
}
a = next_arena;
}
}
void upb_Arena_Free(upb_Arena* a) {
uintptr_t poc = upb_Atomic_Load(&a->parent_or_count, memory_order_acquire);
retry:
while (_upb_Arena_IsTaggedPointer(poc)) {
a = _upb_Arena_PointerFromTagged(poc);
poc = upb_Atomic_Load(&a->parent_or_count, memory_order_acquire);
}
// compare_exchange or fetch_sub are RMW operations, which are more
// expensive then direct loads. As an optimization, we only do RMW ops
// when we need to update things for other threads to see.
if (poc == _upb_Arena_TaggedFromRefcount(1)) {
arena_dofree(a);
return;
}
if (upb_Atomic_CompareExchangeWeak(
&a->parent_or_count, &poc,
_upb_Arena_TaggedFromRefcount(_upb_Arena_RefCountFromTagged(poc) - 1),
memory_order_release, memory_order_acquire)) {
// We were >1 and we decremented it successfully, so we are done.
return;
}
// We failed our update, so someone has done something, retry the whole
// process, but the failed exchange reloaded `poc` for us.
goto retry;
}
static void _upb_Arena_DoFuseArenaLists(upb_Arena* const parent,
upb_Arena* child) {
upb_Arena* parent_tail = upb_Atomic_Load(&parent->tail, memory_order_relaxed);
do {
// Our tail might be stale, but it will always converge to the true tail.
upb_Arena* parent_tail_next =
upb_Atomic_Load(&parent_tail->next, memory_order_relaxed);
while (parent_tail_next != NULL) {
parent_tail = parent_tail_next;
parent_tail_next =
upb_Atomic_Load(&parent_tail->next, memory_order_relaxed);
}
upb_Arena* displaced =
upb_Atomic_Exchange(&parent_tail->next, child, memory_order_relaxed);
parent_tail = upb_Atomic_Load(&child->tail, memory_order_relaxed);
// If we displaced something that got installed racily, we can simply
// reinstall it on our new tail.
child = displaced;
} while (child != NULL);
upb_Atomic_Store(&parent->tail, parent_tail, memory_order_relaxed);
}
static upb_Arena* _upb_Arena_DoFuse(upb_Arena* a1, upb_Arena* a2,
uintptr_t* ref_delta) {
// `parent_or_count` has two disctint modes
// - parent pointer mode
// - refcount mode
//
// In parent pointer mode, it may change what pointer it refers to in the
// tree, but it will always approach a root. Any operation that walks the
// tree to the root may collapse levels of the tree concurrently.
_upb_ArenaRoot r1 = _upb_Arena_FindRoot(a1);
_upb_ArenaRoot r2 = _upb_Arena_FindRoot(a2);
if (r1.root == r2.root) return r1.root; // Already fused.
// Avoid cycles by always fusing into the root with the lower address.
if ((uintptr_t)r1.root > (uintptr_t)r2.root) {
_upb_ArenaRoot tmp = r1;
r1 = r2;
r2 = tmp;
}
// The moment we install `r1` as the parent for `r2` all racing frees may
// immediately begin decrementing `r1`'s refcount (including pending
// increments to that refcount and their frees!). We need to add `r2`'s refs
// now, so that `r1` can withstand any unrefs that come from r2.
//
// Note that while it is possible for `r2`'s refcount to increase
// asynchronously, we will not actually do the reparenting operation below
// unless `r2`'s refcount is unchanged from when we read it.
//
// Note that we may have done this previously, either to this node or a
// different node, during a previous and failed DoFuse() attempt. But we will
// not lose track of these refs because we always add them to our overall
// delta.
uintptr_t r2_untagged_count = r2.tagged_count & ~1;
uintptr_t with_r2_refs = r1.tagged_count + r2_untagged_count;
if (!upb_Atomic_CompareExchangeStrong(
&r1.root->parent_or_count, &r1.tagged_count, with_r2_refs,
memory_order_release, memory_order_acquire)) {
return NULL;
}
// Perform the actual fuse by removing the refs from `r2` and swapping in the
// parent pointer.
if (!upb_Atomic_CompareExchangeStrong(
&r2.root->parent_or_count, &r2.tagged_count,
_upb_Arena_TaggedFromPointer(r1.root), memory_order_release,
memory_order_acquire)) {
// We'll need to remove the excess refs we added to r1 previously.
*ref_delta += r2_untagged_count;
return NULL;
}
// Now that the fuse has been performed (and can no longer fail) we need to
// append `r2` to `r1`'s linked list.
_upb_Arena_DoFuseArenaLists(r1.root, r2.root);
return r1.root;
}
static bool _upb_Arena_FixupRefs(upb_Arena* new_root, uintptr_t ref_delta) {
if (ref_delta == 0) return true; // No fixup required.
uintptr_t poc =
upb_Atomic_Load(&new_root->parent_or_count, memory_order_relaxed);
if (_upb_Arena_IsTaggedPointer(poc)) return false;
uintptr_t with_refs = poc - ref_delta;
UPB_ASSERT(!_upb_Arena_IsTaggedPointer(with_refs));
return upb_Atomic_CompareExchangeStrong(&new_root->parent_or_count, &poc,
with_refs, memory_order_relaxed,
memory_order_relaxed);
}
bool upb_Arena_Fuse(upb_Arena* a1, upb_Arena* a2) {
if (a1 == a2) return true; // trivial fuse
// Do not fuse initial blocks since we cannot lifetime extend them.
// Any other fuse scenario is allowed.
if (upb_Arena_HasInitialBlock(a1) || upb_Arena_HasInitialBlock(a2)) {
return false;
}
// The number of refs we ultimately need to transfer to the new root.
uintptr_t ref_delta = 0;
while (true) {
upb_Arena* new_root = _upb_Arena_DoFuse(a1, a2, &ref_delta);
if (new_root != NULL && _upb_Arena_FixupRefs(new_root, ref_delta)) {
return true;
}
}
}
// Must be last.
upb_MapInsertStatus upb_Message_InsertMapEntry(upb_Map* map,
const upb_MiniTable* mini_table,
const upb_MiniTableField* field,
upb_Message* map_entry_message,
upb_Arena* arena) {
const upb_MiniTable* map_entry_mini_table =
mini_table->subs[field->UPB_PRIVATE(submsg_index)].submsg;
UPB_ASSERT(map_entry_mini_table);
UPB_ASSERT(map_entry_mini_table->field_count == 2);
const upb_MiniTableField* map_entry_key_field =
&map_entry_mini_table->fields[0];
const upb_MiniTableField* map_entry_value_field =
&map_entry_mini_table->fields[1];
// Map key/value cannot have explicit defaults,
// hence assuming a zero default is valid.
upb_MessageValue default_val;
memset(&default_val, 0, sizeof(upb_MessageValue));
upb_MessageValue map_entry_key;
upb_MessageValue map_entry_value;
_upb_Message_GetField(map_entry_message, map_entry_key_field, &default_val,
&map_entry_key);
_upb_Message_GetField(map_entry_message, map_entry_value_field, &default_val,
&map_entry_value);
return upb_Map_Insert(map, map_entry_key, map_entry_value, arena);
}
#include <math.h>
// Must be last.
const float kUpb_FltInfinity = INFINITY;
const double kUpb_Infinity = INFINITY;
const double kUpb_NaN = NAN;
static const size_t overhead = sizeof(upb_Message_InternalData);
upb_Message* upb_Message_New(const upb_MiniTable* mini_table,
upb_Arena* arena) {
return _upb_Message_New(mini_table, arena);
}
static bool realloc_internal(upb_Message* msg, size_t need, upb_Arena* arena) {
upb_Message_Internal* in = upb_Message_Getinternal(msg);
if (!in->internal) {
/* No internal data, allocate from scratch. */
size_t size = UPB_MAX(128, upb_Log2CeilingSize(need + overhead));
upb_Message_InternalData* internal = upb_Arena_Malloc(arena, size);
if (!internal) return false;
internal->size = size;
internal->unknown_end = overhead;
internal->ext_begin = size;
in->internal = internal;
} else if (in->internal->ext_begin - in->internal->unknown_end < need) {
/* Internal data is too small, reallocate. */
size_t new_size = upb_Log2CeilingSize(in->internal->size + need);
size_t ext_bytes = in->internal->size - in->internal->ext_begin;
size_t new_ext_begin = new_size - ext_bytes;
upb_Message_InternalData* internal =
upb_Arena_Realloc(arena, in->internal, in->internal->size, new_size);
if (!internal) return false;
if (ext_bytes) {
/* Need to move extension data to the end. */
char* ptr = (char*)internal;
memmove(ptr + new_ext_begin, ptr + internal->ext_begin, ext_bytes);
}
internal->ext_begin = new_ext_begin;
internal->size = new_size;
in->internal = internal;
}
UPB_ASSERT(in->internal->ext_begin - in->internal->unknown_end >= need);
return true;
}
bool _upb_Message_AddUnknown(upb_Message* msg, const char* data, size_t len,
upb_Arena* arena) {
if (!realloc_internal(msg, len, arena)) return false;
upb_Message_Internal* in = upb_Message_Getinternal(msg);
memcpy(UPB_PTR_AT(in->internal, in->internal->unknown_end, char), data, len);
in->internal->unknown_end += len;
return true;
}
void _upb_Message_DiscardUnknown_shallow(upb_Message* msg) {
upb_Message_Internal* in = upb_Message_Getinternal(msg);
if (in->internal) {
in->internal->unknown_end = overhead;
}
}
const char* upb_Message_GetUnknown(const upb_Message* msg, size_t* len) {
const upb_Message_Internal* in = upb_Message_Getinternal(msg);
if (in->internal) {
*len = in->internal->unknown_end - overhead;
return (char*)(in->internal + 1);
} else {
*len = 0;
return NULL;
}
}
void upb_Message_DeleteUnknown(upb_Message* msg, const char* data, size_t len) {
upb_Message_Internal* in = upb_Message_Getinternal(msg);
const char* internal_unknown_end =
UPB_PTR_AT(in->internal, in->internal->unknown_end, char);
#ifndef NDEBUG
size_t full_unknown_size;
const char* full_unknown = upb_Message_GetUnknown(msg, &full_unknown_size);
UPB_ASSERT((uintptr_t)data >= (uintptr_t)full_unknown);
UPB_ASSERT((uintptr_t)data < (uintptr_t)(full_unknown + full_unknown_size));
UPB_ASSERT((uintptr_t)(data + len) > (uintptr_t)data);
UPB_ASSERT((uintptr_t)(data + len) <= (uintptr_t)internal_unknown_end);
#endif
if ((data + len) != internal_unknown_end) {
memmove((char*)data, data + len, internal_unknown_end - data - len);
}
in->internal->unknown_end -= len;
}
const upb_Message_Extension* _upb_Message_Getexts(const upb_Message* msg,
size_t* count) {
const upb_Message_Internal* in = upb_Message_Getinternal(msg);
if (in->internal) {
*count = (in->internal->size - in->internal->ext_begin) /
sizeof(upb_Message_Extension);
return UPB_PTR_AT(in->internal, in->internal->ext_begin, void);
} else {
*count = 0;
return NULL;
}
}
const upb_Message_Extension* _upb_Message_Getext(
const upb_Message* msg, const upb_MiniTableExtension* e) {
size_t n;
const upb_Message_Extension* ext = _upb_Message_Getexts(msg, &n);
/* For now we use linear search exclusively to find extensions. If this
* becomes an issue due to messages with lots of extensions, we can introduce
* a table of some sort. */
for (size_t i = 0; i < n; i++) {
if (ext[i].ext == e) {
return &ext[i];
}
}
return NULL;
}
upb_Message_Extension* _upb_Message_GetOrCreateExtension(
upb_Message* msg, const upb_MiniTableExtension* e, upb_Arena* arena) {
upb_Message_Extension* ext =
(upb_Message_Extension*)_upb_Message_Getext(msg, e);
if (ext) return ext;
if (!realloc_internal(msg, sizeof(upb_Message_Extension), arena)) return NULL;
upb_Message_Internal* in = upb_Message_Getinternal(msg);
in->internal->ext_begin -= sizeof(upb_Message_Extension);
ext = UPB_PTR_AT(in->internal, in->internal->ext_begin, void);
memset(ext, 0, sizeof(upb_Message_Extension));
ext->ext = e;
return ext;
}
size_t upb_Message_ExtensionCount(const upb_Message* msg) {
size_t count;
_upb_Message_Getexts(msg, &count);
return count;
}
#include <inttypes.h>
// Must be last.
const char _kUpb_ToBase92[] = {
' ', '!', '#', '$', '%', '&', '(', ')', '*', '+', ',', '-', '.', '/',
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ':', ';', '<', '=',
'>', '?', '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K',
'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y',
'Z', '[', ']', '^', '_', '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h',
'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
'w', 'x', 'y', 'z', '{', '|', '}', '~',
};
const int8_t _kUpb_FromBase92[] = {
0, 1, -1, 2, 3, 4, 5, -1, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54,
55, 56, 57, -1, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72,
73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91,
};
const upb_MiniTableField* upb_MiniTable_FindFieldByNumber(
const upb_MiniTable* t, uint32_t number) {
const size_t i = ((size_t)number) - 1; // 0 wraps to SIZE_MAX
// Ideal case: index into dense fields
if (i < t->dense_below) {
UPB_ASSERT(t->fields[i].number == number);
return &t->fields[i];
}
// Slow case: binary search
int lo = t->dense_below;
int hi = t->field_count - 1;
while (lo <= hi) {
int mid = (lo + hi) / 2;
uint32_t num = t->fields[mid].number;
if (num < number) {
lo = mid + 1;
continue;
}
if (num > number) {
hi = mid - 1;
continue;
}
return &t->fields[mid];
}
return NULL;
}
static bool upb_MiniTable_Is_Oneof(const upb_MiniTableField* f) {
return f->presence < 0;
}
const upb_MiniTableField* upb_MiniTable_GetOneof(const upb_MiniTable* m,
const upb_MiniTableField* f) {
if (UPB_UNLIKELY(!upb_MiniTable_Is_Oneof(f))) {
return NULL;
}
const upb_MiniTableField* ptr = &m->fields[0];
const upb_MiniTableField* end = &m->fields[m->field_count];
while (++ptr < end) {
if (ptr->presence == (*f).presence) {
return ptr;
}
}
return NULL;
}
bool upb_MiniTable_NextOneofField(const upb_MiniTable* m,
const upb_MiniTableField** f) {
const upb_MiniTableField* ptr = *f;
const upb_MiniTableField* end = &m->fields[m->field_count];
while (++ptr < end) {
if (ptr->presence == (*f)->presence) {
*f = ptr;
return true;
}
}
return false;
}
#include <inttypes.h>
#include <stdlib.h>
// Must be last.
// Note: we sort by this number when calculating layout order.
typedef enum {
kUpb_LayoutItemType_OneofCase, // Oneof case.
kUpb_LayoutItemType_OneofField, // Oneof field data.
kUpb_LayoutItemType_Field, // Non-oneof field data.
kUpb_LayoutItemType_Max = kUpb_LayoutItemType_Field,
} upb_LayoutItemType;
#define kUpb_LayoutItem_IndexSentinel ((uint16_t)-1)
typedef struct {
// Index of the corresponding field. When this is a oneof field, the field's
// offset will be the index of the next field in a linked list.
uint16_t field_index;
uint16_t offset;
upb_FieldRep rep;
upb_LayoutItemType type;
} upb_LayoutItem;
typedef struct {
upb_LayoutItem* data;
size_t size;
size_t capacity;
} upb_LayoutItemVector;
typedef struct {
const char* end;
upb_MiniTable* table;
upb_MiniTableField* fields;
upb_MiniTablePlatform platform;
upb_LayoutItemVector vec;
upb_Arena* arena;
upb_Status* status;
// When building enums.
upb_MiniTableEnum* enum_table;
uint32_t enum_value_count;
uint32_t enum_data_count;
uint32_t enum_data_capacity;
jmp_buf err;
} upb_MtDecoder;
UPB_PRINTF(2, 3)
UPB_NORETURN static void upb_MtDecoder_ErrorFormat(upb_MtDecoder* d,
const char* fmt, ...) {
if (d->status) {
va_list argp;
upb_Status_SetErrorMessage(d->status, "Error building mini table: ");
va_start(argp, fmt);
upb_Status_VAppendErrorFormat(d->status, fmt, argp);
va_end(argp);
}
UPB_LONGJMP(d->err, 1);
}
static void upb_MtDecoder_CheckOutOfMemory(upb_MtDecoder* d, const void* ptr) {
if (!ptr) upb_MtDecoder_ErrorFormat(d, "Out of memory");
}
// In each field's offset, we temporarily store a presence classifier:
enum PresenceClass {
kNoPresence = 0,
kHasbitPresence = 1,
kRequiredPresence = 2,
kOneofBase = 3,
// Negative values refer to a specific oneof with that number. Positive
// values >= kOneofBase indicate that this field is in a oneof, and specify
// the next field in this oneof's linked list.
};
static const char* upb_MiniTable_DecodeBase92Varint(upb_MtDecoder* d,
const char* ptr,
char first_ch, uint8_t min,
uint8_t max,
uint32_t* out_val) {
uint32_t val = 0;
uint32_t shift = 0;
const int bits_per_char =
upb_Log2Ceiling(_upb_FromBase92(max) - _upb_FromBase92(min));
char ch = first_ch;
while (1) {
uint32_t bits = _upb_FromBase92(ch) - _upb_FromBase92(min);
val |= bits << shift;
if (ptr == d->end || *ptr < min || max < *ptr) {
*out_val = val;
return ptr;
}
ch = *ptr++;
shift += bits_per_char;
if (shift >= 32) upb_MtDecoder_ErrorFormat(d, "Overlong varint");
}
}
static bool upb_MtDecoder_FieldIsPackable(upb_MiniTableField* field) {
return (field->mode & kUpb_FieldMode_Array) &&
upb_FieldType_IsPackable(field->UPB_PRIVATE(descriptortype));
}
typedef struct {
uint16_t submsg_count;
uint16_t subenum_count;
} upb_SubCounts;
static void upb_MiniTable_SetTypeAndSub(upb_MiniTableField* field,
upb_FieldType type,
upb_SubCounts* sub_counts,
uint64_t msg_modifiers,
bool is_proto3_enum) {
if (is_proto3_enum) {
UPB_ASSERT(type == kUpb_FieldType_Enum);
type = kUpb_FieldType_Int32;
field->mode |= kUpb_LabelFlags_IsAlternate;
} else if (type == kUpb_FieldType_String &&
!(msg_modifiers & kUpb_MessageModifier_ValidateUtf8)) {
type = kUpb_FieldType_Bytes;
field->mode |= kUpb_LabelFlags_IsAlternate;
}
field->UPB_PRIVATE(descriptortype) = type;
if (upb_MtDecoder_FieldIsPackable(field) &&
(msg_modifiers & kUpb_MessageModifier_DefaultIsPacked)) {
field->mode |= kUpb_LabelFlags_IsPacked;
}
if (type == kUpb_FieldType_Message || type == kUpb_FieldType_Group) {
field->UPB_PRIVATE(submsg_index) = sub_counts->submsg_count++;
} else if (type == kUpb_FieldType_Enum) {
// We will need to update this later once we know the total number of
// submsg fields.
field->UPB_PRIVATE(submsg_index) = sub_counts->subenum_count++;
} else {
field->UPB_PRIVATE(submsg_index) = kUpb_NoSub;
}
}
static const char kUpb_EncodedToType[] = {
[kUpb_EncodedType_Double] = kUpb_FieldType_Double,
[kUpb_EncodedType_Float] = kUpb_FieldType_Float,
[kUpb_EncodedType_Int64] = kUpb_FieldType_Int64,
[kUpb_EncodedType_UInt64] = kUpb_FieldType_UInt64,
[kUpb_EncodedType_Int32] = kUpb_FieldType_Int32,
[kUpb_EncodedType_Fixed64] = kUpb_FieldType_Fixed64,
[kUpb_EncodedType_Fixed32] = kUpb_FieldType_Fixed32,
[kUpb_EncodedType_Bool] = kUpb_FieldType_Bool,
[kUpb_EncodedType_String] = kUpb_FieldType_String,
[kUpb_EncodedType_Group] = kUpb_FieldType_Group,
[kUpb_EncodedType_Message] = kUpb_FieldType_Message,
[kUpb_EncodedType_Bytes] = kUpb_FieldType_Bytes,
[kUpb_EncodedType_UInt32] = kUpb_FieldType_UInt32,
[kUpb_EncodedType_OpenEnum] = kUpb_FieldType_Enum,
[kUpb_EncodedType_SFixed32] = kUpb_FieldType_SFixed32,
[kUpb_EncodedType_SFixed64] = kUpb_FieldType_SFixed64,
[kUpb_EncodedType_SInt32] = kUpb_FieldType_SInt32,
[kUpb_EncodedType_SInt64] = kUpb_FieldType_SInt64,
[kUpb_EncodedType_ClosedEnum] = kUpb_FieldType_Enum,
};
static void upb_MiniTable_SetField(upb_MtDecoder* d, uint8_t ch,
upb_MiniTableField* field,
uint64_t msg_modifiers,
upb_SubCounts* sub_counts) {
static const char kUpb_EncodedToFieldRep[] = {
[kUpb_EncodedType_Double] = kUpb_FieldRep_8Byte,
[kUpb_EncodedType_Float] = kUpb_FieldRep_4Byte,
[kUpb_EncodedType_Int64] = kUpb_FieldRep_8Byte,
[kUpb_EncodedType_UInt64] = kUpb_FieldRep_8Byte,
[kUpb_EncodedType_Int32] = kUpb_FieldRep_4Byte,
[kUpb_EncodedType_Fixed64] = kUpb_FieldRep_8Byte,
[kUpb_EncodedType_Fixed32] = kUpb_FieldRep_4Byte,
[kUpb_EncodedType_Bool] = kUpb_FieldRep_1Byte,
[kUpb_EncodedType_String] = kUpb_FieldRep_StringView,
[kUpb_EncodedType_Bytes] = kUpb_FieldRep_StringView,
[kUpb_EncodedType_UInt32] = kUpb_FieldRep_4Byte,
[kUpb_EncodedType_OpenEnum] = kUpb_FieldRep_4Byte,
[kUpb_EncodedType_SFixed32] = kUpb_FieldRep_4Byte,
[kUpb_EncodedType_SFixed64] = kUpb_FieldRep_8Byte,
[kUpb_EncodedType_SInt32] = kUpb_FieldRep_4Byte,
[kUpb_EncodedType_SInt64] = kUpb_FieldRep_8Byte,
[kUpb_EncodedType_ClosedEnum] = kUpb_FieldRep_4Byte,
};
char pointer_rep = d->platform == kUpb_MiniTablePlatform_32Bit
? kUpb_FieldRep_4Byte
: kUpb_FieldRep_8Byte;
int8_t type = _upb_FromBase92(ch);
if (ch >= _upb_ToBase92(kUpb_EncodedType_RepeatedBase)) {
type -= kUpb_EncodedType_RepeatedBase;
field->mode = kUpb_FieldMode_Array;
field->mode |= pointer_rep << kUpb_FieldRep_Shift;
field->offset = kNoPresence;
} else {
field->mode = kUpb_FieldMode_Scalar;
field->offset = kHasbitPresence;
if (type == kUpb_EncodedType_Group || type == kUpb_EncodedType_Message) {
field->mode |= pointer_rep << kUpb_FieldRep_Shift;
} else if ((unsigned long)type >= sizeof(kUpb_EncodedToFieldRep)) {
upb_MtDecoder_ErrorFormat(d, "Invalid field type: %d", (int)type);
UPB_UNREACHABLE();
} else {
field->mode |= kUpb_EncodedToFieldRep[type] << kUpb_FieldRep_Shift;
}
}
if ((unsigned long)type >= sizeof(kUpb_EncodedToType)) {
upb_MtDecoder_ErrorFormat(d, "Invalid field type: %d", (int)type);
UPB_UNREACHABLE();
}
upb_MiniTable_SetTypeAndSub(field, kUpb_EncodedToType[type], sub_counts,
msg_modifiers, type == kUpb_EncodedType_OpenEnum);
}
static void upb_MtDecoder_ModifyField(upb_MtDecoder* d,
uint32_t message_modifiers,
uint32_t field_modifiers,
upb_MiniTableField* field) {
if (field_modifiers & kUpb_EncodedFieldModifier_FlipPacked) {
if (!upb_MtDecoder_FieldIsPackable(field)) {
upb_MtDecoder_ErrorFormat(
d, "Cannot flip packed on unpackable field %" PRIu32, field->number);
UPB_UNREACHABLE();
}
field->mode ^= kUpb_LabelFlags_IsPacked;
}
bool singular = field_modifiers & kUpb_EncodedFieldModifier_IsProto3Singular;
bool required = field_modifiers & kUpb_EncodedFieldModifier_IsRequired;
// Validate.
if ((singular || required) && field->offset != kHasbitPresence) {
upb_MtDecoder_ErrorFormat(
d, "Invalid modifier(s) for repeated field %" PRIu32, field->number);
UPB_UNREACHABLE();
}
if (singular && required) {
upb_MtDecoder_ErrorFormat(
d, "Field %" PRIu32 " cannot be both singular and required",
field->number);
UPB_UNREACHABLE();
}
if (singular) field->offset = kNoPresence;
if (required) {
field->offset = kRequiredPresence;
}
}
static void upb_MtDecoder_PushItem(upb_MtDecoder* d, upb_LayoutItem item) {
if (d->vec.size == d->vec.capacity) {
size_t new_cap = UPB_MAX(8, d->vec.size * 2);
d->vec.data = realloc(d->vec.data, new_cap * sizeof(*d->vec.data));
upb_MtDecoder_CheckOutOfMemory(d, d->vec.data);
d->vec.capacity = new_cap;
}
d->vec.data[d->vec.size++] = item;
}
static void upb_MtDecoder_PushOneof(upb_MtDecoder* d, upb_LayoutItem item) {
if (item.field_index == kUpb_LayoutItem_IndexSentinel) {
upb_MtDecoder_ErrorFormat(d, "Empty oneof");
UPB_UNREACHABLE();
}
item.field_index -= kOneofBase;
// Push oneof data.
item.type = kUpb_LayoutItemType_OneofField;
upb_MtDecoder_PushItem(d, item);
// Push oneof case.
item.rep = kUpb_FieldRep_4Byte; // Field Number.
item.type = kUpb_LayoutItemType_OneofCase;
upb_MtDecoder_PushItem(d, item);
}
size_t upb_MtDecoder_SizeOfRep(upb_FieldRep rep,
upb_MiniTablePlatform platform) {
static const uint8_t kRepToSize32[] = {
[kUpb_FieldRep_1Byte] = 1,
[kUpb_FieldRep_4Byte] = 4,
[kUpb_FieldRep_StringView] = 8,
[kUpb_FieldRep_8Byte] = 8,
};
static const uint8_t kRepToSize64[] = {
[kUpb_FieldRep_1Byte] = 1,
[kUpb_FieldRep_4Byte] = 4,
[kUpb_FieldRep_StringView] = 16,
[kUpb_FieldRep_8Byte] = 8,
};
UPB_ASSERT(sizeof(upb_StringView) ==
UPB_SIZE(kRepToSize32, kRepToSize64)[kUpb_FieldRep_StringView]);
return platform == kUpb_MiniTablePlatform_32Bit ? kRepToSize32[rep]
: kRepToSize64[rep];
}
size_t upb_MtDecoder_AlignOfRep(upb_FieldRep rep,
upb_MiniTablePlatform platform) {
static const uint8_t kRepToAlign32[] = {
[kUpb_FieldRep_1Byte] = 1,
[kUpb_FieldRep_4Byte] = 4,
[kUpb_FieldRep_StringView] = 4,
[kUpb_FieldRep_8Byte] = 8,
};
static const uint8_t kRepToAlign64[] = {
[kUpb_FieldRep_1Byte] = 1,
[kUpb_FieldRep_4Byte] = 4,
[kUpb_FieldRep_StringView] = 8,
[kUpb_FieldRep_8Byte] = 8,
};
UPB_ASSERT(UPB_ALIGN_OF(upb_StringView) ==
UPB_SIZE(kRepToAlign32, kRepToAlign64)[kUpb_FieldRep_StringView]);
return platform == kUpb_MiniTablePlatform_32Bit ? kRepToAlign32[rep]
: kRepToAlign64[rep];
}
static const char* upb_MtDecoder_DecodeOneofField(upb_MtDecoder* d,
const char* ptr,
char first_ch,
upb_LayoutItem* item) {
uint32_t field_num;
ptr = upb_MiniTable_DecodeBase92Varint(
d, ptr, first_ch, kUpb_EncodedValue_MinOneofField,
kUpb_EncodedValue_MaxOneofField, &field_num);
upb_MiniTableField* f =
(void*)upb_MiniTable_FindFieldByNumber(d->table, field_num);
if (!f) {
upb_MtDecoder_ErrorFormat(d,
"Couldn't add field number %" PRIu32
" to oneof, no such field number.",
field_num);
UPB_UNREACHABLE();
}
if (f->offset != kHasbitPresence) {
upb_MtDecoder_ErrorFormat(
d,
"Cannot add repeated, required, or singular field %" PRIu32
" to oneof.",
field_num);
UPB_UNREACHABLE();
}
// Oneof storage must be large enough to accommodate the largest member.
int rep = f->mode >> kUpb_FieldRep_Shift;
if (upb_MtDecoder_SizeOfRep(rep, d->platform) >
upb_MtDecoder_SizeOfRep(item->rep, d->platform)) {
item->rep = rep;
}
// Prepend this field to the linked list.
f->offset = item->field_index;
item->field_index = (f - d->fields) + kOneofBase;
return ptr;
}
static const char* upb_MtDecoder_DecodeOneofs(upb_MtDecoder* d,
const char* ptr) {
upb_LayoutItem item = {.rep = 0,
.field_index = kUpb_LayoutItem_IndexSentinel};
while (ptr < d->end) {
char ch = *ptr++;
if (ch == kUpb_EncodedValue_FieldSeparator) {
// Field separator, no action needed.
} else if (ch == kUpb_EncodedValue_OneofSeparator) {
// End of oneof.
upb_MtDecoder_PushOneof(d, item);
item.field_index = kUpb_LayoutItem_IndexSentinel; // Move to next oneof.
} else {
ptr = upb_MtDecoder_DecodeOneofField(d, ptr, ch, &item);
}
}
// Push final oneof.
upb_MtDecoder_PushOneof(d, item);
return ptr;
}
static const char* upb_MtDecoder_ParseModifier(upb_MtDecoder* d,
const char* ptr, char first_ch,
upb_MiniTableField* last_field,
uint64_t* msg_modifiers) {
uint32_t mod;
ptr = upb_MiniTable_DecodeBase92Varint(d, ptr, first_ch,
kUpb_EncodedValue_MinModifier,
kUpb_EncodedValue_MaxModifier, &mod);
if (last_field) {
upb_MtDecoder_ModifyField(d, *msg_modifiers, mod, last_field);
} else {
if (!d->table) {
upb_MtDecoder_ErrorFormat(d, "Extensions cannot have message modifiers");
UPB_UNREACHABLE();
}
*msg_modifiers = mod;
}
return ptr;
}
static void upb_MtDecoder_AllocateSubs(upb_MtDecoder* d,
upb_SubCounts sub_counts) {
uint32_t total_count = sub_counts.submsg_count + sub_counts.subenum_count;
size_t subs_bytes = sizeof(*d->table->subs) * total_count;
upb_MiniTableSub* subs = upb_Arena_Malloc(d->arena, subs_bytes);
upb_MtDecoder_CheckOutOfMemory(d, subs);
uint32_t i = 0;
for (; i < sub_counts.submsg_count; i++) {
subs[i].submsg = &_kUpb_MiniTable_Empty;
}
if (sub_counts.subenum_count) {
upb_MiniTableField* f = d->fields;
upb_MiniTableField* end_f = f + d->table->field_count;
for (; f < end_f; f++) {
if (f->UPB_PRIVATE(descriptortype) == kUpb_FieldType_Enum) {
f->UPB_PRIVATE(submsg_index) += sub_counts.submsg_count;
}
}
for (; i < sub_counts.submsg_count + sub_counts.subenum_count; i++) {
subs[i].subenum = NULL;
}
}
d->table->subs = subs;
}
static const char* upb_MtDecoder_Parse(upb_MtDecoder* d, const char* ptr,
size_t len, void* fields,
size_t field_size, uint16_t* field_count,
upb_SubCounts* sub_counts) {
uint64_t msg_modifiers = 0;
uint32_t last_field_number = 0;
upb_MiniTableField* last_field = NULL;
bool need_dense_below = d->table != NULL;
d->end = UPB_PTRADD(ptr, len);
while (ptr < d->end) {
char ch = *ptr++;
if (ch <= kUpb_EncodedValue_MaxField) {
if (!d->table && last_field) {
// For extensions, consume only a single field and then return.
return --ptr;
}
upb_MiniTableField* field = fields;
*field_count += 1;
fields = (char*)fields + field_size;
field->number = ++last_field_number;
last_field = field;
upb_MiniTable_SetField(d, ch, field, msg_modifiers, sub_counts);
} else if (kUpb_EncodedValue_MinModifier <= ch &&
ch <= kUpb_EncodedValue_MaxModifier) {
ptr = upb_MtDecoder_ParseModifier(d, ptr, ch, last_field, &msg_modifiers);
if (msg_modifiers & kUpb_MessageModifier_IsExtendable) {
d->table->ext |= kUpb_ExtMode_Extendable;
}
} else if (ch == kUpb_EncodedValue_End) {
if (!d->table) {
upb_MtDecoder_ErrorFormat(d, "Extensions cannot have oneofs.");
UPB_UNREACHABLE();
}
ptr = upb_MtDecoder_DecodeOneofs(d, ptr);
} else if (kUpb_EncodedValue_MinSkip <= ch &&
ch <= kUpb_EncodedValue_MaxSkip) {
if (need_dense_below) {
d->table->dense_below = d->table->field_count;
need_dense_below = false;
}
uint32_t skip;
ptr = upb_MiniTable_DecodeBase92Varint(d, ptr, ch,
kUpb_EncodedValue_MinSkip,
kUpb_EncodedValue_MaxSkip, &skip);
last_field_number += skip;
last_field_number--; // Next field seen will increment.
} else {
upb_MtDecoder_ErrorFormat(d, "Invalid char: %c", ch);
UPB_UNREACHABLE();
}
}
if (need_dense_below) {
d->table->dense_below = d->table->field_count;
}
return ptr;
}
static void upb_MtDecoder_ParseMessage(upb_MtDecoder* d, const char* data,
size_t len) {
// Buffer length is an upper bound on the number of fields. We will return
// what we don't use.
d->fields = upb_Arena_Malloc(d->arena, sizeof(*d->fields) * len);
upb_MtDecoder_CheckOutOfMemory(d, d->fields);
upb_SubCounts sub_counts = {0, 0};
d->table->field_count = 0;
d->table->fields = d->fields;
upb_MtDecoder_Parse(d, data, len, d->fields, sizeof(*d->fields),
&d->table->field_count, &sub_counts);
upb_Arena_ShrinkLast(d->arena, d->fields, sizeof(*d->fields) * len,
sizeof(*d->fields) * d->table->field_count);
d->table->fields = d->fields;
upb_MtDecoder_AllocateSubs(d, sub_counts);
}
int upb_MtDecoder_CompareFields(const void* _a, const void* _b) {
const upb_LayoutItem* a = _a;
const upb_LayoutItem* b = _b;
// Currently we just sort by:
// 1. rep (smallest fields first)
// 2. type (oneof cases first)
// 2. field_index (smallest numbers first)
// The main goal of this is to reduce space lost to padding.
// Later we may have more subtle reasons to prefer a different ordering.
const int rep_bits = upb_Log2Ceiling(kUpb_FieldRep_Max);
const int type_bits = upb_Log2Ceiling(kUpb_LayoutItemType_Max);
const int idx_bits = (sizeof(a->field_index) * 8);
UPB_ASSERT(idx_bits + rep_bits + type_bits < 32);
#define UPB_COMBINE(rep, ty, idx) (((rep << type_bits) | ty) << idx_bits) | idx
uint32_t a_packed = UPB_COMBINE(a->rep, a->type, a->field_index);
uint32_t b_packed = UPB_COMBINE(b->rep, b->type, b->field_index);
assert(a_packed != b_packed);
#undef UPB_COMBINE
return a_packed < b_packed ? -1 : 1;
}
static bool upb_MtDecoder_SortLayoutItems(upb_MtDecoder* d) {
// Add items for all non-oneof fields (oneofs were already added).
int n = d->table->field_count;
for (int i = 0; i < n; i++) {
upb_MiniTableField* f = &d->fields[i];
if (f->offset >= kOneofBase) continue;
upb_LayoutItem item = {.field_index = i,
.rep = f->mode >> kUpb_FieldRep_Shift,
.type = kUpb_LayoutItemType_Field};
upb_MtDecoder_PushItem(d, item);
}
if (d->vec.size) {
qsort(d->vec.data, d->vec.size, sizeof(*d->vec.data),
upb_MtDecoder_CompareFields);
}
return true;
}
static size_t upb_MiniTable_DivideRoundUp(size_t n, size_t d) {
return (n + d - 1) / d;
}
static void upb_MtDecoder_AssignHasbits(upb_MiniTable* ret) {
int n = ret->field_count;
int last_hasbit = 0; // 0 cannot be used.
// First assign required fields, which must have the lowest hasbits.
for (int i = 0; i < n; i++) {
upb_MiniTableField* field = (upb_MiniTableField*)&ret->fields[i];
if (field->offset == kRequiredPresence) {
field->presence = ++last_hasbit;
} else if (field->offset == kNoPresence) {
field->presence = 0;
}
}
ret->required_count = last_hasbit;
// Next assign non-required hasbit fields.
for (int i = 0; i < n; i++) {
upb_MiniTableField* field = (upb_MiniTableField*)&ret->fields[i];
if (field->offset == kHasbitPresence) {
field->presence = ++last_hasbit;
}
}
ret->size = last_hasbit ? upb_MiniTable_DivideRoundUp(last_hasbit + 1, 8) : 0;
}
size_t upb_MtDecoder_Place(upb_MtDecoder* d, upb_FieldRep rep) {
size_t size = upb_MtDecoder_SizeOfRep(rep, d->platform);
size_t align = upb_MtDecoder_AlignOfRep(rep, d->platform);
size_t ret = UPB_ALIGN_UP(d->table->size, align);
static const size_t max = UINT16_MAX;
size_t new_size = ret + size;
if (new_size > max) {
upb_MtDecoder_ErrorFormat(
d, "Message size exceeded maximum size of %zu bytes", max);
}
d->table->size = new_size;
return ret;
}
static void upb_MtDecoder_AssignOffsets(upb_MtDecoder* d) {
upb_LayoutItem* end = UPB_PTRADD(d->vec.data, d->vec.size);
// Compute offsets.
for (upb_LayoutItem* item = d->vec.data; item < end; item++) {
item->offset = upb_MtDecoder_Place(d, item->rep);
}
// Assign oneof case offsets. We must do these first, since assigning
// actual offsets will overwrite the links of the linked list.
for (upb_LayoutItem* item = d->vec.data; item < end; item++) {
if (item->type != kUpb_LayoutItemType_OneofCase) continue;
upb_MiniTableField* f = &d->fields[item->field_index];
while (true) {
f->presence = ~item->offset;
if (f->offset == kUpb_LayoutItem_IndexSentinel) break;
UPB_ASSERT(f->offset - kOneofBase < d->table->field_count);
f = &d->fields[f->offset - kOneofBase];
}
}
// Assign offsets.
for (upb_LayoutItem* item = d->vec.data; item < end; item++) {
upb_MiniTableField* f = &d->fields[item->field_index];
switch (item->type) {
case kUpb_LayoutItemType_OneofField:
while (true) {
uint16_t next_offset = f->offset;
f->offset = item->offset;
if (next_offset == kUpb_LayoutItem_IndexSentinel) break;
f = &d->fields[next_offset - kOneofBase];
}
break;
case kUpb_LayoutItemType_Field:
f->offset = item->offset;
break;
default:
break;
}
}
// The fasttable parser (supported on 64-bit only) depends on this being a
// multiple of 8 in order to satisfy UPB_MALLOC_ALIGN, which is also 8.
//
// On 32-bit we could potentially make this smaller, but there is no
// compelling reason to optimize this right now.
d->table->size = UPB_ALIGN_UP(d->table->size, 8);
}
static void upb_MtDecoder_ValidateEntryField(upb_MtDecoder* d,
const upb_MiniTableField* f,
uint32_t expected_num) {
const char* name = expected_num == 1 ? "key" : "val";
if (f->number != expected_num) {
upb_MtDecoder_ErrorFormat(d,
"map %s did not have expected number (%d vs %d)",
name, expected_num, (int)f->number);
}
if (upb_IsRepeatedOrMap(f)) {
upb_MtDecoder_ErrorFormat(
d, "map %s cannot be repeated or map, or be in oneof", name);
}
uint32_t not_ok_types;
if (expected_num == 1) {
not_ok_types = (1 << kUpb_FieldType_Float) | (1 << kUpb_FieldType_Double) |
(1 << kUpb_FieldType_Message) | (1 << kUpb_FieldType_Group) |
(1 << kUpb_FieldType_Bytes) | (1 << kUpb_FieldType_Enum);
} else {
not_ok_types = 1 << kUpb_FieldType_Group;
}
if ((1 << upb_MiniTableField_Type(f)) & not_ok_types) {
upb_MtDecoder_ErrorFormat(d, "map %s cannot have type %d", name,
(int)f->UPB_PRIVATE(descriptortype));
}
}
static void upb_MtDecoder_ParseMap(upb_MtDecoder* d, const char* data,
size_t len) {
upb_MtDecoder_ParseMessage(d, data, len);
upb_MtDecoder_AssignHasbits(d->table);
if (UPB_UNLIKELY(d->table->field_count != 2)) {
upb_MtDecoder_ErrorFormat(d, "%hu fields in map", d->table->field_count);
UPB_UNREACHABLE();
}
upb_LayoutItem* end = UPB_PTRADD(d->vec.data, d->vec.size);
for (upb_LayoutItem* item = d->vec.data; item < end; item++) {
if (item->type == kUpb_LayoutItemType_OneofCase) {
upb_MtDecoder_ErrorFormat(d, "Map entry cannot have oneof");
}
}
upb_MtDecoder_ValidateEntryField(d, &d->table->fields[0], 1);
upb_MtDecoder_ValidateEntryField(d, &d->table->fields[1], 2);
// Map entries have a pre-determined layout, regardless of types.
// NOTE: sync with mini_table/message_internal.h.
const size_t kv_size = d->platform == kUpb_MiniTablePlatform_32Bit ? 8 : 16;
const size_t hasbit_size = 8;
d->fields[0].offset = hasbit_size;
d->fields[1].offset = hasbit_size + kv_size;
d->table->size = UPB_ALIGN_UP(hasbit_size + kv_size + kv_size, 8);
// Map entries have a special bit set to signal it's a map entry, used in
// upb_MiniTable_SetSubMessage() below.
d->table->ext |= kUpb_ExtMode_IsMapEntry;
}
static void upb_MtDecoder_ParseMessageSet(upb_MtDecoder* d, const char* data,
size_t len) {
if (len > 0) {
upb_MtDecoder_ErrorFormat(d, "Invalid message set encode length: %zu", len);
UPB_UNREACHABLE();
}
upb_MiniTable* ret = d->table;
ret->size = 0;
ret->field_count = 0;
ret->ext = kUpb_ExtMode_IsMessageSet;
ret->dense_below = 0;
ret->table_mask = -1;
ret->required_count = 0;
}
static upb_MiniTable* upb_MtDecoder_DoBuildMiniTableWithBuf(
upb_MtDecoder* decoder, const char* data, size_t len, void** buf,
size_t* buf_size) {
upb_MtDecoder_CheckOutOfMemory(decoder, decoder->table);
decoder->table->size = 0;
decoder->table->field_count = 0;
decoder->table->ext = kUpb_ExtMode_NonExtendable;
decoder->table->dense_below = 0;
decoder->table->table_mask = -1;
decoder->table->required_count = 0;
// Strip off and verify the version tag.
if (!len--) goto done;
const char vers = *data++;
switch (vers) {
case kUpb_EncodedVersion_MapV1:
upb_MtDecoder_ParseMap(decoder, data, len);
break;
case kUpb_EncodedVersion_MessageV1:
upb_MtDecoder_ParseMessage(decoder, data, len);
upb_MtDecoder_AssignHasbits(decoder->table);
upb_MtDecoder_SortLayoutItems(decoder);
upb_MtDecoder_AssignOffsets(decoder);
break;
case kUpb_EncodedVersion_MessageSetV1:
upb_MtDecoder_ParseMessageSet(decoder, data, len);
break;
default:
upb_MtDecoder_ErrorFormat(decoder, "Invalid message version: %c", vers);
UPB_UNREACHABLE();
}
done:
*buf = decoder->vec.data;
*buf_size = decoder->vec.capacity * sizeof(*decoder->vec.data);
return decoder->table;
}
static upb_MiniTable* upb_MtDecoder_BuildMiniTableWithBuf(
upb_MtDecoder* const decoder, const char* const data, const size_t len,
void** const buf, size_t* const buf_size) {
if (UPB_SETJMP(decoder->err) != 0) {
*buf = decoder->vec.data;
*buf_size = decoder->vec.capacity * sizeof(*decoder->vec.data);
return NULL;
}
return upb_MtDecoder_DoBuildMiniTableWithBuf(decoder, data, len, buf,
buf_size);
}
upb_MiniTable* upb_MiniTable_BuildWithBuf(const char* data, size_t len,
upb_MiniTablePlatform platform,
upb_Arena* arena, void** buf,
size_t* buf_size,
upb_Status* status) {
upb_MtDecoder decoder = {
.platform = platform,
.vec =
{
.data = *buf,
.capacity = *buf_size / sizeof(*decoder.vec.data),
.size = 0,
},
.arena = arena,
.status = status,
.table = upb_Arena_Malloc(arena, sizeof(*decoder.table)),
};
return upb_MtDecoder_BuildMiniTableWithBuf(&decoder, data, len, buf,
buf_size);
}
static size_t upb_MiniTableEnum_Size(size_t count) {
return sizeof(upb_MiniTableEnum) + count * sizeof(uint32_t);
}
static upb_MiniTableEnum* _upb_MiniTable_AddEnumDataMember(upb_MtDecoder* d,
uint32_t val) {
if (d->enum_data_count == d->enum_data_capacity) {
size_t old_sz = upb_MiniTableEnum_Size(d->enum_data_capacity);
d->enum_data_capacity = UPB_MAX(2, d->enum_data_capacity * 2);
size_t new_sz = upb_MiniTableEnum_Size(d->enum_data_capacity);
d->enum_table = upb_Arena_Realloc(d->arena, d->enum_table, old_sz, new_sz);
upb_MtDecoder_CheckOutOfMemory(d, d->enum_table);
}
d->enum_table->data[d->enum_data_count++] = val;
return d->enum_table;
}
static void upb_MiniTableEnum_BuildValue(upb_MtDecoder* d, uint32_t val) {
upb_MiniTableEnum* table = d->enum_table;
d->enum_value_count++;
if (table->value_count || (val > 512 && d->enum_value_count < val / 32)) {
if (table->value_count == 0) {
assert(d->enum_data_count == table->mask_limit / 32);
}
table = _upb_MiniTable_AddEnumDataMember(d, val);
table->value_count++;
} else {
uint32_t new_mask_limit = ((val / 32) + 1) * 32;
while (table->mask_limit < new_mask_limit) {
table = _upb_MiniTable_AddEnumDataMember(d, 0);
table->mask_limit += 32;
}
table->data[val / 32] |= 1ULL << (val % 32);
}
}
static upb_MiniTableEnum* upb_MtDecoder_DoBuildMiniTableEnum(
upb_MtDecoder* decoder, const char* data, size_t len) {
// If the string is non-empty then it must begin with a version tag.
if (len) {
if (*data != kUpb_EncodedVersion_EnumV1) {
upb_MtDecoder_ErrorFormat(decoder, "Invalid enum version: %c", *data);
UPB_UNREACHABLE();
}
data++;
len--;
}
upb_MtDecoder_CheckOutOfMemory(decoder, decoder->enum_table);
// Guarantee at least 64 bits of mask without checking mask size.
decoder->enum_table->mask_limit = 64;
decoder->enum_table = _upb_MiniTable_AddEnumDataMember(decoder, 0);
decoder->enum_table = _upb_MiniTable_AddEnumDataMember(decoder, 0);
decoder->enum_table->value_count = 0;
const char* ptr = data;
uint32_t base = 0;
while (ptr < decoder->end) {
char ch = *ptr++;
if (ch <= kUpb_EncodedValue_MaxEnumMask) {
uint32_t mask = _upb_FromBase92(ch);
for (int i = 0; i < 5; i++, base++, mask >>= 1) {
if (mask & 1) upb_MiniTableEnum_BuildValue(decoder, base);
}
} else if (kUpb_EncodedValue_MinSkip <= ch &&
ch <= kUpb_EncodedValue_MaxSkip) {
uint32_t skip;
ptr = upb_MiniTable_DecodeBase92Varint(decoder, ptr, ch,
kUpb_EncodedValue_MinSkip,
kUpb_EncodedValue_MaxSkip, &skip);
base += skip;
} else {
upb_MtDecoder_ErrorFormat(decoder, "Unexpected character: %c", ch);
return NULL;
}
}
return decoder->enum_table;
}
static upb_MiniTableEnum* upb_MtDecoder_BuildMiniTableEnum(
upb_MtDecoder* const decoder, const char* const data, size_t const len) {
if (UPB_SETJMP(decoder->err) != 0) return NULL;
return upb_MtDecoder_DoBuildMiniTableEnum(decoder, data, len);
}
upb_MiniTableEnum* upb_MiniTableEnum_Build(const char* data, size_t len,
upb_Arena* arena,
upb_Status* status) {
upb_MtDecoder decoder = {
.enum_table = upb_Arena_Malloc(arena, upb_MiniTableEnum_Size(2)),
.enum_value_count = 0,
.enum_data_count = 0,
.enum_data_capacity = 1,
.status = status,
.end = UPB_PTRADD(data, len),
.arena = arena,
};
return upb_MtDecoder_BuildMiniTableEnum(&decoder, data, len);
}
static const char* upb_MtDecoder_DoBuildMiniTableExtension(
upb_MtDecoder* decoder, const char* data, size_t len,
upb_MiniTableExtension* ext, const upb_MiniTable* extendee,
upb_MiniTableSub sub) {
// If the string is non-empty then it must begin with a version tag.
if (len) {
if (*data != kUpb_EncodedVersion_ExtensionV1) {
upb_MtDecoder_ErrorFormat(decoder, "Invalid ext version: %c", *data);
UPB_UNREACHABLE();
}
data++;
len--;
}
uint16_t count = 0;
upb_SubCounts sub_counts = {0, 0};
const char* ret = upb_MtDecoder_Parse(decoder, data, len, ext, sizeof(*ext),
&count, &sub_counts);
if (!ret || count != 1) return NULL;
upb_MiniTableField* f = &ext->field;
f->mode |= kUpb_LabelFlags_IsExtension;
f->offset = 0;
f->presence = 0;
if (extendee->ext & kUpb_ExtMode_IsMessageSet) {
// Extensions of MessageSet must be messages.
if (!upb_IsSubMessage(f)) return NULL;
// Extensions of MessageSet must be non-repeating.
if ((f->mode & kUpb_FieldMode_Mask) == kUpb_FieldMode_Array) return NULL;
}
ext->extendee = extendee;
ext->sub = sub;
return ret;
}
static const char* upb_MtDecoder_BuildMiniTableExtension(
upb_MtDecoder* const decoder, const char* const data, const size_t len,
upb_MiniTableExtension* const ext, const upb_MiniTable* const extendee,
const upb_MiniTableSub sub) {
if (UPB_SETJMP(decoder->err) != 0) return NULL;
return upb_MtDecoder_DoBuildMiniTableExtension(decoder, data, len, ext,
extendee, sub);
}
const char* _upb_MiniTableExtension_Init(const char* data, size_t len,
upb_MiniTableExtension* ext,
const upb_MiniTable* extendee,
upb_MiniTableSub sub,
upb_MiniTablePlatform platform,
upb_Status* status) {
upb_MtDecoder decoder = {
.arena = NULL,
.status = status,
.table = NULL,
.platform = platform,
};
return upb_MtDecoder_BuildMiniTableExtension(&decoder, data, len, ext,
extendee, sub);
}
upb_MiniTableExtension* _upb_MiniTableExtension_Build(
const char* data, size_t len, const upb_MiniTable* extendee,
upb_MiniTableSub sub, upb_MiniTablePlatform platform, upb_Arena* arena,
upb_Status* status) {
upb_MiniTableExtension* ext =
upb_Arena_Malloc(arena, sizeof(upb_MiniTableExtension));
if (UPB_UNLIKELY(!ext)) return NULL;
const char* ptr = _upb_MiniTableExtension_Init(data, len, ext, extendee, sub,
platform, status);
if (UPB_UNLIKELY(!ptr)) return NULL;
return ext;
}
upb_MiniTable* _upb_MiniTable_Build(const char* data, size_t len,
upb_MiniTablePlatform platform,
upb_Arena* arena, upb_Status* status) {
void* buf = NULL;
size_t size = 0;
upb_MiniTable* ret = upb_MiniTable_BuildWithBuf(data, len, platform, arena,
&buf, &size, status);
free(buf);
return ret;
}
bool upb_MiniTable_SetSubMessage(upb_MiniTable* table,
upb_MiniTableField* field,
const upb_MiniTable* sub) {
UPB_ASSERT((uintptr_t)table->fields <= (uintptr_t)field &&
(uintptr_t)field <
(uintptr_t)(table->fields + table->field_count));
UPB_ASSERT(sub);
const bool sub_is_map = sub->ext & kUpb_ExtMode_IsMapEntry;
switch (field->UPB_PRIVATE(descriptortype)) {
case kUpb_FieldType_Message:
if (sub_is_map) {
const bool table_is_map = table->ext & kUpb_ExtMode_IsMapEntry;
if (UPB_UNLIKELY(table_is_map)) return false;
field->mode = (field->mode & ~kUpb_FieldMode_Mask) | kUpb_FieldMode_Map;
}
break;
case kUpb_FieldType_Group:
if (UPB_UNLIKELY(sub_is_map)) return false;
break;
default:
return false;
}
upb_MiniTableSub* table_sub =
(void*)&table->subs[field->UPB_PRIVATE(submsg_index)];
// TODO(haberman): Add this assert back once YouTube is updated to not call
// this function repeatedly.
// UPB_ASSERT(table_sub->submsg == &_kUpb_MiniTable_Empty);
table_sub->submsg = sub;
return true;
}
bool upb_MiniTable_SetSubEnum(upb_MiniTable* table, upb_MiniTableField* field,
const upb_MiniTableEnum* sub) {
UPB_ASSERT((uintptr_t)table->fields <= (uintptr_t)field &&
(uintptr_t)field <
(uintptr_t)(table->fields + table->field_count));
UPB_ASSERT(sub);
upb_MiniTableSub* table_sub =
(void*)&table->subs[field->UPB_PRIVATE(submsg_index)];
table_sub->subenum = sub;
return true;
}
uint32_t upb_MiniTable_GetSubList(const upb_MiniTable* mt,
const upb_MiniTableField** subs) {
uint32_t msg_count = 0;
uint32_t enum_count = 0;
for (int i = 0; i < mt->field_count; i++) {
const upb_MiniTableField* f = &mt->fields[i];
if (upb_MiniTableField_CType(f) == kUpb_CType_Message) {
*subs = f;
++subs;
msg_count++;
}
}
for (int i = 0; i < mt->field_count; i++) {
const upb_MiniTableField* f = &mt->fields[i];
if (upb_MiniTableField_CType(f) == kUpb_CType_Enum) {
*subs = f;
++subs;
enum_count++;
}
}
return (msg_count << 16) | enum_count;
}
// The list of sub_tables and sub_enums must exactly match the number and order
// of sub-message fields and sub-enum fields given by upb_MiniTable_GetSubList()
// above.
bool upb_MiniTable_Link(upb_MiniTable* mt, const upb_MiniTable** sub_tables,
size_t sub_table_count,
const upb_MiniTableEnum** sub_enums,
size_t sub_enum_count) {
uint32_t msg_count = 0;
uint32_t enum_count = 0;
for (int i = 0; i < mt->field_count; i++) {
upb_MiniTableField* f = (upb_MiniTableField*)&mt->fields[i];
if (upb_MiniTableField_CType(f) == kUpb_CType_Message) {
const upb_MiniTable* sub = sub_tables[msg_count++];
if (msg_count > sub_table_count) return false;
if (sub != NULL) {
if (!upb_MiniTable_SetSubMessage(mt, f, sub)) return false;
}
}
}
for (int i = 0; i < mt->field_count; i++) {
upb_MiniTableField* f = (upb_MiniTableField*)&mt->fields[i];
if (upb_MiniTableField_CType(f) == kUpb_CType_Enum) {
const upb_MiniTableEnum* sub = sub_enums[enum_count++];
if (enum_count > sub_enum_count) return false;
if (sub != NULL) {
if (!upb_MiniTable_SetSubEnum(mt, f, sub)) return false;
}
}
}
return true;
}
// Must be last.
typedef struct {
uint64_t present_values_mask;
uint32_t last_written_value;
} upb_MtDataEncoderInternal_EnumState;
typedef struct {
uint64_t msg_modifiers;
uint32_t last_field_num;
enum {
kUpb_OneofState_NotStarted,
kUpb_OneofState_StartedOneof,
kUpb_OneofState_EmittedOneofField,
} oneof_state;
} upb_MtDataEncoderInternal_MsgState;
typedef struct {
char* buf_start; // Only for checking kUpb_MtDataEncoder_MinSize.
union {
upb_MtDataEncoderInternal_EnumState enum_state;
upb_MtDataEncoderInternal_MsgState msg_state;
} state;
} upb_MtDataEncoderInternal;
static upb_MtDataEncoderInternal* upb_MtDataEncoder_GetInternal(
upb_MtDataEncoder* e, char* buf_start) {
UPB_ASSERT(sizeof(upb_MtDataEncoderInternal) <= sizeof(e->internal));
upb_MtDataEncoderInternal* ret = (upb_MtDataEncoderInternal*)e->internal;
ret->buf_start = buf_start;
return ret;
}
static char* upb_MtDataEncoder_PutRaw(upb_MtDataEncoder* e, char* ptr,
char ch) {
upb_MtDataEncoderInternal* in = (upb_MtDataEncoderInternal*)e->internal;
UPB_ASSERT(ptr - in->buf_start < kUpb_MtDataEncoder_MinSize);
if (ptr == e->end) return NULL;
*ptr++ = ch;
return ptr;
}
static char* upb_MtDataEncoder_Put(upb_MtDataEncoder* e, char* ptr, char ch) {
return upb_MtDataEncoder_PutRaw(e, ptr, _upb_ToBase92(ch));
}
static char* upb_MtDataEncoder_PutBase92Varint(upb_MtDataEncoder* e, char* ptr,
uint32_t val, int min, int max) {
int shift = upb_Log2Ceiling(_upb_FromBase92(max) - _upb_FromBase92(min) + 1);
UPB_ASSERT(shift <= 6);
uint32_t mask = (1 << shift) - 1;
do {
uint32_t bits = val & mask;
ptr = upb_MtDataEncoder_Put(e, ptr, bits + _upb_FromBase92(min));
if (!ptr) return NULL;
val >>= shift;
} while (val);
return ptr;
}
char* upb_MtDataEncoder_PutModifier(upb_MtDataEncoder* e, char* ptr,
uint64_t mod) {
if (mod) {
ptr = upb_MtDataEncoder_PutBase92Varint(e, ptr, mod,
kUpb_EncodedValue_MinModifier,
kUpb_EncodedValue_MaxModifier);
}
return ptr;
}
char* upb_MtDataEncoder_EncodeExtension(upb_MtDataEncoder* e, char* ptr,
upb_FieldType type, uint32_t field_num,
uint64_t field_mod) {
upb_MtDataEncoderInternal* in = upb_MtDataEncoder_GetInternal(e, ptr);
in->state.msg_state.msg_modifiers = 0;
in->state.msg_state.last_field_num = 0;
in->state.msg_state.oneof_state = kUpb_OneofState_NotStarted;
ptr = upb_MtDataEncoder_PutRaw(e, ptr, kUpb_EncodedVersion_ExtensionV1);
if (!ptr) return NULL;
return upb_MtDataEncoder_PutField(e, ptr, type, field_num, field_mod);
}
char* upb_MtDataEncoder_EncodeMap(upb_MtDataEncoder* e, char* ptr,
upb_FieldType key_type,
upb_FieldType value_type, uint64_t key_mod,
uint64_t value_mod) {
upb_MtDataEncoderInternal* in = upb_MtDataEncoder_GetInternal(e, ptr);
in->state.msg_state.msg_modifiers = 0;
in->state.msg_state.last_field_num = 0;
in->state.msg_state.oneof_state = kUpb_OneofState_NotStarted;
ptr = upb_MtDataEncoder_PutRaw(e, ptr, kUpb_EncodedVersion_MapV1);
if (!ptr) return NULL;
ptr = upb_MtDataEncoder_PutField(e, ptr, key_type, 1, key_mod);
if (!ptr) return NULL;
return upb_MtDataEncoder_PutField(e, ptr, value_type, 2, value_mod);
}
char* upb_MtDataEncoder_EncodeMessageSet(upb_MtDataEncoder* e, char* ptr) {
(void)upb_MtDataEncoder_GetInternal(e, ptr);
return upb_MtDataEncoder_PutRaw(e, ptr, kUpb_EncodedVersion_MessageSetV1);
}
char* upb_MtDataEncoder_StartMessage(upb_MtDataEncoder* e, char* ptr,
uint64_t msg_mod) {
upb_MtDataEncoderInternal* in = upb_MtDataEncoder_GetInternal(e, ptr);
in->state.msg_state.msg_modifiers = msg_mod;
in->state.msg_state.last_field_num = 0;
in->state.msg_state.oneof_state = kUpb_OneofState_NotStarted;
ptr = upb_MtDataEncoder_PutRaw(e, ptr, kUpb_EncodedVersion_MessageV1);
if (!ptr) return NULL;
return upb_MtDataEncoder_PutModifier(e, ptr, msg_mod);
}
static char* _upb_MtDataEncoder_MaybePutFieldSkip(upb_MtDataEncoder* e,
char* ptr,
uint32_t field_num) {
upb_MtDataEncoderInternal* in = (upb_MtDataEncoderInternal*)e->internal;
if (field_num <= in->state.msg_state.last_field_num) return NULL;
if (in->state.msg_state.last_field_num + 1 != field_num) {
// Put skip.
UPB_ASSERT(field_num > in->state.msg_state.last_field_num);
uint32_t skip = field_num - in->state.msg_state.last_field_num;
ptr = upb_MtDataEncoder_PutBase92Varint(
e, ptr, skip, kUpb_EncodedValue_MinSkip, kUpb_EncodedValue_MaxSkip);
if (!ptr) return NULL;
}
in->state.msg_state.last_field_num = field_num;
return ptr;
}
static char* _upb_MtDataEncoder_PutFieldType(upb_MtDataEncoder* e, char* ptr,
upb_FieldType type,
uint64_t field_mod) {
static const char kUpb_TypeToEncoded[] = {
[kUpb_FieldType_Double] = kUpb_EncodedType_Double,
[kUpb_FieldType_Float] = kUpb_EncodedType_Float,
[kUpb_FieldType_Int64] = kUpb_EncodedType_Int64,
[kUpb_FieldType_UInt64] = kUpb_EncodedType_UInt64,
[kUpb_FieldType_Int32] = kUpb_EncodedType_Int32,
[kUpb_FieldType_Fixed64] = kUpb_EncodedType_Fixed64,
[kUpb_FieldType_Fixed32] = kUpb_EncodedType_Fixed32,
[kUpb_FieldType_Bool] = kUpb_EncodedType_Bool,
[kUpb_FieldType_String] = kUpb_EncodedType_String,
[kUpb_FieldType_Group] = kUpb_EncodedType_Group,
[kUpb_FieldType_Message] = kUpb_EncodedType_Message,
[kUpb_FieldType_Bytes] = kUpb_EncodedType_Bytes,
[kUpb_FieldType_UInt32] = kUpb_EncodedType_UInt32,
[kUpb_FieldType_Enum] = kUpb_EncodedType_OpenEnum,
[kUpb_FieldType_SFixed32] = kUpb_EncodedType_SFixed32,
[kUpb_FieldType_SFixed64] = kUpb_EncodedType_SFixed64,
[kUpb_FieldType_SInt32] = kUpb_EncodedType_SInt32,
[kUpb_FieldType_SInt64] = kUpb_EncodedType_SInt64,
};
int encoded_type = kUpb_TypeToEncoded[type];
if (field_mod & kUpb_FieldModifier_IsClosedEnum) {
UPB_ASSERT(type == kUpb_FieldType_Enum);
encoded_type = kUpb_EncodedType_ClosedEnum;
}
if (field_mod & kUpb_FieldModifier_IsRepeated) {
// Repeated fields shift the type number up (unlike other modifiers which
// are bit flags).
encoded_type += kUpb_EncodedType_RepeatedBase;
}
return upb_MtDataEncoder_Put(e, ptr, encoded_type);
}
static char* _upb_MtDataEncoder_MaybePutModifiers(upb_MtDataEncoder* e,
char* ptr, upb_FieldType type,
uint64_t field_mod) {
upb_MtDataEncoderInternal* in = (upb_MtDataEncoderInternal*)e->internal;
uint32_t encoded_modifiers = 0;
if ((field_mod & kUpb_FieldModifier_IsRepeated) &&
upb_FieldType_IsPackable(type)) {
bool field_is_packed = field_mod & kUpb_FieldModifier_IsPacked;
bool default_is_packed = in->state.msg_state.msg_modifiers &
kUpb_MessageModifier_DefaultIsPacked;
if (field_is_packed != default_is_packed) {
encoded_modifiers |= kUpb_EncodedFieldModifier_FlipPacked;
}
}
if (field_mod & kUpb_FieldModifier_IsProto3Singular) {
encoded_modifiers |= kUpb_EncodedFieldModifier_IsProto3Singular;
}
if (field_mod & kUpb_FieldModifier_IsRequired) {
encoded_modifiers |= kUpb_EncodedFieldModifier_IsRequired;
}
return upb_MtDataEncoder_PutModifier(e, ptr, encoded_modifiers);
}
char* upb_MtDataEncoder_PutField(upb_MtDataEncoder* e, char* ptr,
upb_FieldType type, uint32_t field_num,
uint64_t field_mod) {
upb_MtDataEncoder_GetInternal(e, ptr);
ptr = _upb_MtDataEncoder_MaybePutFieldSkip(e, ptr, field_num);
if (!ptr) return NULL;
ptr = _upb_MtDataEncoder_PutFieldType(e, ptr, type, field_mod);
if (!ptr) return NULL;
return _upb_MtDataEncoder_MaybePutModifiers(e, ptr, type, field_mod);
}
char* upb_MtDataEncoder_StartOneof(upb_MtDataEncoder* e, char* ptr) {
upb_MtDataEncoderInternal* in = upb_MtDataEncoder_GetInternal(e, ptr);
if (in->state.msg_state.oneof_state == kUpb_OneofState_NotStarted) {
ptr = upb_MtDataEncoder_Put(e, ptr, _upb_FromBase92(kUpb_EncodedValue_End));
} else {
ptr = upb_MtDataEncoder_Put(
e, ptr, _upb_FromBase92(kUpb_EncodedValue_OneofSeparator));
}
in->state.msg_state.oneof_state = kUpb_OneofState_StartedOneof;
return ptr;
}
char* upb_MtDataEncoder_PutOneofField(upb_MtDataEncoder* e, char* ptr,
uint32_t field_num) {
upb_MtDataEncoderInternal* in = upb_MtDataEncoder_GetInternal(e, ptr);
if (in->state.msg_state.oneof_state == kUpb_OneofState_EmittedOneofField) {
ptr = upb_MtDataEncoder_Put(
e, ptr, _upb_FromBase92(kUpb_EncodedValue_FieldSeparator));
if (!ptr) return NULL;
}
ptr = upb_MtDataEncoder_PutBase92Varint(e, ptr, field_num, _upb_ToBase92(0),
_upb_ToBase92(63));
in->state.msg_state.oneof_state = kUpb_OneofState_EmittedOneofField;
return ptr;
}
char* upb_MtDataEncoder_StartEnum(upb_MtDataEncoder* e, char* ptr) {
upb_MtDataEncoderInternal* in = upb_MtDataEncoder_GetInternal(e, ptr);
in->state.enum_state.present_values_mask = 0;
in->state.enum_state.last_written_value = 0;
return upb_MtDataEncoder_PutRaw(e, ptr, kUpb_EncodedVersion_EnumV1);
}
static char* upb_MtDataEncoder_FlushDenseEnumMask(upb_MtDataEncoder* e,
char* ptr) {
upb_MtDataEncoderInternal* in = (upb_MtDataEncoderInternal*)e->internal;
ptr = upb_MtDataEncoder_Put(e, ptr, in->state.enum_state.present_values_mask);
in->state.enum_state.present_values_mask = 0;
in->state.enum_state.last_written_value += 5;
return ptr;
}
char* upb_MtDataEncoder_PutEnumValue(upb_MtDataEncoder* e, char* ptr,
uint32_t val) {
// TODO(b/229641772): optimize this encoding.
upb_MtDataEncoderInternal* in = upb_MtDataEncoder_GetInternal(e, ptr);
UPB_ASSERT(val >= in->state.enum_state.last_written_value);
uint32_t delta = val - in->state.enum_state.last_written_value;
if (delta >= 5 && in->state.enum_state.present_values_mask) {
ptr = upb_MtDataEncoder_FlushDenseEnumMask(e, ptr);
if (!ptr) {
return NULL;
}
delta -= 5;
}
if (delta >= 5) {
ptr = upb_MtDataEncoder_PutBase92Varint(
e, ptr, delta, kUpb_EncodedValue_MinSkip, kUpb_EncodedValue_MaxSkip);
in->state.enum_state.last_written_value += delta;
delta = 0;
}
UPB_ASSERT((in->state.enum_state.present_values_mask >> delta) == 0);
in->state.enum_state.present_values_mask |= 1ULL << delta;
return ptr;
}
char* upb_MtDataEncoder_EndEnum(upb_MtDataEncoder* e, char* ptr) {
upb_MtDataEncoderInternal* in = upb_MtDataEncoder_GetInternal(e, ptr);
if (!in->state.enum_state.present_values_mask) return ptr;
return upb_MtDataEncoder_FlushDenseEnumMask(e, ptr);
}
// Must be last.
#define EXTREG_KEY_SIZE (sizeof(upb_MiniTable*) + sizeof(uint32_t))
struct upb_ExtensionRegistry {
upb_Arena* arena;
upb_strtable exts; // Key is upb_MiniTable* concatenated with fieldnum.
};
static void extreg_key(char* buf, const upb_MiniTable* l, uint32_t fieldnum) {
memcpy(buf, &l, sizeof(l));
memcpy(buf + sizeof(l), &fieldnum, sizeof(fieldnum));
}
upb_ExtensionRegistry* upb_ExtensionRegistry_New(upb_Arena* arena) {
upb_ExtensionRegistry* r = upb_Arena_Malloc(arena, sizeof(*r));
if (!r) return NULL;
r->arena = arena;
if (!upb_strtable_init(&r->exts, 8, arena)) return NULL;
return r;
}
UPB_API bool upb_ExtensionRegistry_Add(upb_ExtensionRegistry* r,
const upb_MiniTableExtension* e) {
char buf[EXTREG_KEY_SIZE];
extreg_key(buf, e->extendee, e->field.number);
if (upb_strtable_lookup2(&r->exts, buf, EXTREG_KEY_SIZE, NULL)) return false;
return upb_strtable_insert(&r->exts, buf, EXTREG_KEY_SIZE,
upb_value_constptr(e), r->arena);
}
bool upb_ExtensionRegistry_AddArray(upb_ExtensionRegistry* r,
const upb_MiniTableExtension** e,
size_t count) {
const upb_MiniTableExtension** start = e;
const upb_MiniTableExtension** end = UPB_PTRADD(e, count);
for (; e < end; e++) {
if (!upb_ExtensionRegistry_Add(r, *e)) goto failure;
}
return true;
failure:
// Back out the entries previously added.
for (end = e, e = start; e < end; e++) {
const upb_MiniTableExtension* ext = *e;
char buf[EXTREG_KEY_SIZE];
extreg_key(buf, ext->extendee, ext->field.number);
upb_strtable_remove2(&r->exts, buf, EXTREG_KEY_SIZE, NULL);
}
return false;
}
const upb_MiniTableExtension* upb_ExtensionRegistry_Lookup(
const upb_ExtensionRegistry* r, const upb_MiniTable* t, uint32_t num) {
char buf[EXTREG_KEY_SIZE];
upb_value v;
extreg_key(buf, t, num);
if (upb_strtable_lookup2(&r->exts, buf, EXTREG_KEY_SIZE, &v)) {
return upb_value_getconstptr(v);
} else {
return NULL;
}
}
const upb_MiniTable _kUpb_MiniTable_Empty = {
.subs = NULL,
.fields = NULL,
.size = 0,
.field_count = 0,
.ext = kUpb_ExtMode_NonExtendable,
.dense_below = 0,
.table_mask = -1,
.required_count = 0,
};
#include <string.h>
// Must be last.
/* The upb core does not generally have a concept of default instances. However
* for descriptor options we make an exception since the max size is known and
* modest (<200 bytes). All types can share a default instance since it is
* initialized to zeroes.
*
* We have to allocate an extra pointer for upb's internal metadata. */
static const char opt_default_buf[_UPB_MAXOPT_SIZE + sizeof(void*)] = {0};
const char* kUpbDefOptDefault = &opt_default_buf[sizeof(void*)];
const char* _upb_DefBuilder_FullToShort(const char* fullname) {
const char* p;
if (fullname == NULL) {
return NULL;
} else if ((p = strrchr(fullname, '.')) == NULL) {
/* No '.' in the name, return the full string. */
return fullname;
} else {
/* Return one past the last '.'. */
return p + 1;
}
}
void _upb_DefBuilder_FailJmp(upb_DefBuilder* ctx) { UPB_LONGJMP(ctx->err, 1); }
void _upb_DefBuilder_Errf(upb_DefBuilder* ctx, const char* fmt, ...) {
va_list argp;
va_start(argp, fmt);
upb_Status_VSetErrorFormat(ctx->status, fmt, argp);
va_end(argp);
_upb_DefBuilder_FailJmp(ctx);
}
void _upb_DefBuilder_OomErr(upb_DefBuilder* ctx) {
upb_Status_SetErrorMessage(ctx->status, "out of memory");
_upb_DefBuilder_FailJmp(ctx);
}
// Verify a relative identifier string. The loop is branchless for speed.
static void _upb_DefBuilder_CheckIdentNotFull(upb_DefBuilder* ctx,
upb_StringView name) {
bool good = name.size > 0;
for (size_t i = 0; i < name.size; i++) {
const char c = name.data[i];
const char d = c | 0x20; // force lowercase
const bool is_alpha = (('a' <= d) & (d <= 'z')) | (c == '_');
const bool is_numer = ('0' <= c) & (c <= '9') & (i != 0);
good &= is_alpha | is_numer;
}
if (!good) _upb_DefBuilder_CheckIdentSlow(ctx, name, false);
}
const char* _upb_DefBuilder_MakeFullName(upb_DefBuilder* ctx,
const char* prefix,
upb_StringView name) {
_upb_DefBuilder_CheckIdentNotFull(ctx, name);
if (prefix) {
// ret = prefix + '.' + name;
size_t n = strlen(prefix);
char* ret = _upb_DefBuilder_Alloc(ctx, n + name.size + 2);
strcpy(ret, prefix);
ret[n] = '.';
memcpy(&ret[n + 1], name.data, name.size);
ret[n + 1 + name.size] = '\0';
return ret;
} else {
char* ret = upb_strdup2(name.data, name.size, ctx->arena);
if (!ret) _upb_DefBuilder_OomErr(ctx);
return ret;
}
}
static bool remove_component(char* base, size_t* len) {
if (*len == 0) return false;
for (size_t i = *len - 1; i > 0; i--) {
if (base[i] == '.') {
*len = i;
return true;
}
}
*len = 0;
return true;
}
const void* _upb_DefBuilder_ResolveAny(upb_DefBuilder* ctx,
const char* from_name_dbg,
const char* base, upb_StringView sym,
upb_deftype_t* type) {
if (sym.size == 0) goto notfound;
upb_value v;
if (sym.data[0] == '.') {
/* Symbols starting with '.' are absolute, so we do a single lookup.
* Slice to omit the leading '.' */
if (!_upb_DefPool_LookupSym(ctx->symtab, sym.data + 1, sym.size - 1, &v)) {
goto notfound;
}
} else {
/* Remove components from base until we find an entry or run out. */
size_t baselen = base ? strlen(base) : 0;
char* tmp = malloc(sym.size + baselen + 1);
while (1) {
char* p = tmp;
if (baselen) {
memcpy(p, base, baselen);
p[baselen] = '.';
p += baselen + 1;
}
memcpy(p, sym.data, sym.size);
p += sym.size;
if (_upb_DefPool_LookupSym(ctx->symtab, tmp, p - tmp, &v)) {
break;
}
if (!remove_component(tmp, &baselen)) {
free(tmp);
goto notfound;
}
}
free(tmp);
}
*type = _upb_DefType_Type(v);
return _upb_DefType_Unpack(v, *type);
notfound:
_upb_DefBuilder_Errf(ctx, "couldn't resolve name '" UPB_STRINGVIEW_FORMAT "'",
UPB_STRINGVIEW_ARGS(sym));
}
const void* _upb_DefBuilder_Resolve(upb_DefBuilder* ctx,
const char* from_name_dbg, const char* base,
upb_StringView sym, upb_deftype_t type) {
upb_deftype_t found_type;
const void* ret =
_upb_DefBuilder_ResolveAny(ctx, from_name_dbg, base, sym, &found_type);
if (ret && found_type != type) {
_upb_DefBuilder_Errf(ctx,
"type mismatch when resolving %s: couldn't find "
"name " UPB_STRINGVIEW_FORMAT " with type=%d",
from_name_dbg, UPB_STRINGVIEW_ARGS(sym), (int)type);
}
return ret;
}
// Per ASCII this will lower-case a letter. If the result is a letter, the
// input was definitely a letter. If the output is not a letter, this may
// have transformed the character unpredictably.
static char upb_ascii_lower(char ch) { return ch | 0x20; }
// isalpha() etc. from <ctype.h> are locale-dependent, which we don't want.
static bool upb_isbetween(uint8_t c, uint8_t low, uint8_t high) {
return low <= c && c <= high;
}
static bool upb_isletter(char c) {
char lower = upb_ascii_lower(c);
return upb_isbetween(lower, 'a', 'z') || c == '_';
}
static bool upb_isalphanum(char c) {
return upb_isletter(c) || upb_isbetween(c, '0', '9');
}
static bool TryGetChar(const char** src, const char* end, char* ch) {
if (*src == end) return false;
*ch = **src;
*src += 1;
return true;
}
static int TryGetHexDigit(const char** src, const char* end) {
char ch;
if (!TryGetChar(src, end, &ch)) return -1;
if ('0' <= ch && ch <= '9') {
return ch - '0';
}
ch = upb_ascii_lower(ch);
if ('a' <= ch && ch <= 'f') {
return ch - 'a' + 0xa;
}
*src -= 1; // Char wasn't actually a hex digit.
return -1;
}
static char upb_DefBuilder_ParseHexEscape(upb_DefBuilder* ctx,
const upb_FieldDef* f,
const char** src, const char* end) {
int hex_digit = TryGetHexDigit(src, end);
if (hex_digit < 0) {
_upb_DefBuilder_Errf(
ctx, "\\x must be followed by at least one hex digit (field='%s')",
upb_FieldDef_FullName(f));
return 0;
}
unsigned int ret = hex_digit;
while ((hex_digit = TryGetHexDigit(src, end)) >= 0) {
ret = (ret << 4) | hex_digit;
}
if (ret > 0xff) {
_upb_DefBuilder_Errf(ctx, "Value of hex escape in field %s exceeds 8 bits",
upb_FieldDef_FullName(f));
return 0;
}
return ret;
}
static char TryGetOctalDigit(const char** src, const char* end) {
char ch;
if (!TryGetChar(src, end, &ch)) return -1;
if ('0' <= ch && ch <= '7') {
return ch - '0';
}
*src -= 1; // Char wasn't actually an octal digit.
return -1;
}
static char upb_DefBuilder_ParseOctalEscape(upb_DefBuilder* ctx,
const upb_FieldDef* f,
const char** src, const char* end) {
char ch = 0;
for (int i = 0; i < 3; i++) {
char digit;
if ((digit = TryGetOctalDigit(src, end)) >= 0) {
ch = (ch << 3) | digit;
}
}
return ch;
}
char _upb_DefBuilder_ParseEscape(upb_DefBuilder* ctx, const upb_FieldDef* f,
const char** src, const char* end) {
char ch;
if (!TryGetChar(src, end, &ch)) {
_upb_DefBuilder_Errf(ctx, "unterminated escape sequence in field %s",
upb_FieldDef_FullName(f));
return 0;
}
switch (ch) {
case 'a':
return '\a';
case 'b':
return '\b';
case 'f':
return '\f';
case 'n':
return '\n';
case 'r':
return '\r';
case 't':
return '\t';
case 'v':
return '\v';
case '\\':
return '\\';
case '\'':
return '\'';
case '\"':
return '\"';
case '?':
return '\?';
case 'x':
case 'X':
return upb_DefBuilder_ParseHexEscape(ctx, f, src, end);
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
*src -= 1;
return upb_DefBuilder_ParseOctalEscape(ctx, f, src, end);
}
_upb_DefBuilder_Errf(ctx, "Unknown escape sequence: \\%c", ch);
}
void _upb_DefBuilder_CheckIdentSlow(upb_DefBuilder* ctx, upb_StringView name,
bool full) {
const char* str = name.data;
const size_t len = name.size;
bool start = true;
for (size_t i = 0; i < len; i++) {
const char c = str[i];
if (c == '.') {
if (start || !full) {
_upb_DefBuilder_Errf(
ctx, "invalid name: unexpected '.' (" UPB_STRINGVIEW_FORMAT ")",
UPB_STRINGVIEW_ARGS(name));
}
start = true;
} else if (start) {
if (!upb_isletter(c)) {
_upb_DefBuilder_Errf(ctx,
"invalid name: path components must start with a "
"letter (" UPB_STRINGVIEW_FORMAT ")",
UPB_STRINGVIEW_ARGS(name));
}
start = false;
} else if (!upb_isalphanum(c)) {
_upb_DefBuilder_Errf(
ctx,
"invalid name: non-alphanumeric character (" UPB_STRINGVIEW_FORMAT
")",
UPB_STRINGVIEW_ARGS(name));
}
}
if (start) {
_upb_DefBuilder_Errf(ctx,
"invalid name: empty part (" UPB_STRINGVIEW_FORMAT ")",
UPB_STRINGVIEW_ARGS(name));
}
// We should never reach this point.
UPB_ASSERT(false);
}
// Must be last.
struct upb_DefPool {
upb_Arena* arena;
upb_strtable syms; // full_name -> packed def ptr
upb_strtable files; // file_name -> (upb_FileDef*)
upb_inttable exts; // (upb_MiniTableExtension*) -> (upb_FieldDef*)
upb_ExtensionRegistry* extreg;
upb_MiniTablePlatform platform;
void* scratch_data;
size_t scratch_size;
size_t bytes_loaded;
};
void upb_DefPool_Free(upb_DefPool* s) {
upb_Arena_Free(s->arena);
upb_gfree(s->scratch_data);
upb_gfree(s);
}
upb_DefPool* upb_DefPool_New(void) {
upb_DefPool* s = upb_gmalloc(sizeof(*s));
if (!s) return NULL;
s->arena = upb_Arena_New();
s->bytes_loaded = 0;
s->scratch_size = 240;
s->scratch_data = upb_gmalloc(s->scratch_size);
if (!s->scratch_data) goto err;
if (!upb_strtable_init(&s->syms, 32, s->arena)) goto err;
if (!upb_strtable_init(&s->files, 4, s->arena)) goto err;
if (!upb_inttable_init(&s->exts, s->arena)) goto err;
s->extreg = upb_ExtensionRegistry_New(s->arena);
if (!s->extreg) goto err;
s->platform = kUpb_MiniTablePlatform_Native;
return s;
err:
upb_DefPool_Free(s);
return NULL;
}
bool _upb_DefPool_InsertExt(upb_DefPool* s, const upb_MiniTableExtension* ext,
const upb_FieldDef* f) {
return upb_inttable_insert(&s->exts, (uintptr_t)ext, upb_value_constptr(f),
s->arena);
}
bool _upb_DefPool_InsertSym(upb_DefPool* s, upb_StringView sym, upb_value v,
upb_Status* status) {
// TODO: table should support an operation "tryinsert" to avoid the double
// lookup.
if (upb_strtable_lookup2(&s->syms, sym.data, sym.size, NULL)) {
upb_Status_SetErrorFormat(status, "duplicate symbol '%s'", sym.data);
return false;
}
if (!upb_strtable_insert(&s->syms, sym.data, sym.size, v, s->arena)) {
upb_Status_SetErrorMessage(status, "out of memory");
return false;
}
return true;
}
static const void* _upb_DefPool_Unpack(const upb_DefPool* s, const char* sym,
size_t size, upb_deftype_t type) {
upb_value v;
return upb_strtable_lookup2(&s->syms, sym, size, &v)
? _upb_DefType_Unpack(v, type)
: NULL;
}
bool _upb_DefPool_LookupSym(const upb_DefPool* s, const char* sym, size_t size,
upb_value* v) {
return upb_strtable_lookup2(&s->syms, sym, size, v);
}
upb_ExtensionRegistry* _upb_DefPool_ExtReg(const upb_DefPool* s) {
return s->extreg;
}
void** _upb_DefPool_ScratchData(const upb_DefPool* s) {
return (void**)&s->scratch_data;
}
size_t* _upb_DefPool_ScratchSize(const upb_DefPool* s) {
return (size_t*)&s->scratch_size;
}
void _upb_DefPool_SetPlatform(upb_DefPool* s, upb_MiniTablePlatform platform) {
assert(upb_strtable_count(&s->files) == 0);
s->platform = platform;
}
const upb_MessageDef* upb_DefPool_FindMessageByName(const upb_DefPool* s,
const char* sym) {
return _upb_DefPool_Unpack(s, sym, strlen(sym), UPB_DEFTYPE_MSG);
}
const upb_MessageDef* upb_DefPool_FindMessageByNameWithSize(
const upb_DefPool* s, const char* sym, size_t len) {
return _upb_DefPool_Unpack(s, sym, len, UPB_DEFTYPE_MSG);
}
const upb_EnumDef* upb_DefPool_FindEnumByName(const upb_DefPool* s,
const char* sym) {
return _upb_DefPool_Unpack(s, sym, strlen(sym), UPB_DEFTYPE_ENUM);
}
const upb_EnumValueDef* upb_DefPool_FindEnumByNameval(const upb_DefPool* s,
const char* sym) {
return _upb_DefPool_Unpack(s, sym, strlen(sym), UPB_DEFTYPE_ENUMVAL);
}
const upb_FileDef* upb_DefPool_FindFileByName(const upb_DefPool* s,
const char* name) {
upb_value v;
return upb_strtable_lookup(&s->files, name, &v) ? upb_value_getconstptr(v)
: NULL;
}
const upb_FileDef* upb_DefPool_FindFileByNameWithSize(const upb_DefPool* s,
const char* name,
size_t len) {
upb_value v;
return upb_strtable_lookup2(&s->files, name, len, &v)
? upb_value_getconstptr(v)
: NULL;
}
const upb_FieldDef* upb_DefPool_FindExtensionByNameWithSize(
const upb_DefPool* s, const char* name, size_t size) {
upb_value v;
if (!upb_strtable_lookup2(&s->syms, name, size, &v)) return NULL;
switch (_upb_DefType_Type(v)) {
case UPB_DEFTYPE_FIELD:
return _upb_DefType_Unpack(v, UPB_DEFTYPE_FIELD);
case UPB_DEFTYPE_MSG: {
const upb_MessageDef* m = _upb_DefType_Unpack(v, UPB_DEFTYPE_MSG);
return _upb_MessageDef_InMessageSet(m)
? upb_MessageDef_NestedExtension(m, 0)
: NULL;
}
default:
break;
}
return NULL;
}
const upb_FieldDef* upb_DefPool_FindExtensionByName(const upb_DefPool* s,
const char* sym) {
return upb_DefPool_FindExtensionByNameWithSize(s, sym, strlen(sym));
}
const upb_ServiceDef* upb_DefPool_FindServiceByName(const upb_DefPool* s,
const char* name) {
return _upb_DefPool_Unpack(s, name, strlen(name), UPB_DEFTYPE_SERVICE);
}
const upb_ServiceDef* upb_DefPool_FindServiceByNameWithSize(
const upb_DefPool* s, const char* name, size_t size) {
return _upb_DefPool_Unpack(s, name, size, UPB_DEFTYPE_SERVICE);
}
const upb_FileDef* upb_DefPool_FindFileContainingSymbol(const upb_DefPool* s,
const char* name) {
upb_value v;
// TODO(haberman): non-extension fields and oneofs.
if (upb_strtable_lookup(&s->syms, name, &v)) {
switch (_upb_DefType_Type(v)) {
case UPB_DEFTYPE_EXT: {
const upb_FieldDef* f = _upb_DefType_Unpack(v, UPB_DEFTYPE_EXT);
return upb_FieldDef_File(f);
}
case UPB_DEFTYPE_MSG: {
const upb_MessageDef* m = _upb_DefType_Unpack(v, UPB_DEFTYPE_MSG);
return upb_MessageDef_File(m);
}
case UPB_DEFTYPE_ENUM: {
const upb_EnumDef* e = _upb_DefType_Unpack(v, UPB_DEFTYPE_ENUM);
return upb_EnumDef_File(e);
}
case UPB_DEFTYPE_ENUMVAL: {
const upb_EnumValueDef* ev =
_upb_DefType_Unpack(v, UPB_DEFTYPE_ENUMVAL);
return upb_EnumDef_File(upb_EnumValueDef_Enum(ev));
}
case UPB_DEFTYPE_SERVICE: {
const upb_ServiceDef* service =
_upb_DefType_Unpack(v, UPB_DEFTYPE_SERVICE);
return upb_ServiceDef_File(service);
}
default:
UPB_UNREACHABLE();
}
}
const char* last_dot = strrchr(name, '.');
if (last_dot) {
const upb_MessageDef* parent =
upb_DefPool_FindMessageByNameWithSize(s, name, last_dot - name);
if (parent) {
const char* shortname = last_dot + 1;
if (upb_MessageDef_FindByNameWithSize(parent, shortname,
strlen(shortname), NULL, NULL)) {
return upb_MessageDef_File(parent);
}
}
}
return NULL;
}
static void remove_filedef(upb_DefPool* s, upb_FileDef* file) {
intptr_t iter = UPB_INTTABLE_BEGIN;
upb_StringView key;
upb_value val;
while (upb_strtable_next2(&s->syms, &key, &val, &iter)) {
const upb_FileDef* f;
switch (_upb_DefType_Type(val)) {
case UPB_DEFTYPE_EXT:
f = upb_FieldDef_File(_upb_DefType_Unpack(val, UPB_DEFTYPE_EXT));
break;
case UPB_DEFTYPE_MSG:
f = upb_MessageDef_File(_upb_DefType_Unpack(val, UPB_DEFTYPE_MSG));
break;
case UPB_DEFTYPE_ENUM:
f = upb_EnumDef_File(_upb_DefType_Unpack(val, UPB_DEFTYPE_ENUM));
break;
case UPB_DEFTYPE_ENUMVAL:
f = upb_EnumDef_File(upb_EnumValueDef_Enum(
_upb_DefType_Unpack(val, UPB_DEFTYPE_ENUMVAL)));
break;
case UPB_DEFTYPE_SERVICE:
f = upb_ServiceDef_File(_upb_DefType_Unpack(val, UPB_DEFTYPE_SERVICE));
break;
default:
UPB_UNREACHABLE();
}
if (f == file) upb_strtable_removeiter(&s->syms, &iter);
}
}
static const upb_FileDef* upb_DefBuilder_AddFileToPool(
upb_DefBuilder* const builder, upb_DefPool* const s,
const UPB_DESC(FileDescriptorProto) * const file_proto,
const upb_StringView name, upb_Status* const status) {
if (UPB_SETJMP(builder->err) != 0) {
UPB_ASSERT(!upb_Status_IsOk(status));
if (builder->file) {
remove_filedef(s, builder->file);
builder->file = NULL;
}
} else if (!builder->arena || !builder->tmp_arena) {
_upb_DefBuilder_OomErr(builder);
} else {
_upb_FileDef_Create(builder, file_proto);
upb_strtable_insert(&s->files, name.data, name.size,
upb_value_constptr(builder->file), builder->arena);
UPB_ASSERT(upb_Status_IsOk(status));
upb_Arena_Fuse(s->arena, builder->arena);
}
if (builder->arena) upb_Arena_Free(builder->arena);
if (builder->tmp_arena) upb_Arena_Free(builder->tmp_arena);
return builder->file;
}
static const upb_FileDef* _upb_DefPool_AddFile(
upb_DefPool* s, const UPB_DESC(FileDescriptorProto) * file_proto,
const upb_MiniTableFile* layout, upb_Status* status) {
const upb_StringView name = UPB_DESC(FileDescriptorProto_name)(file_proto);
// Determine whether we already know about this file.
{
upb_value v;
if (upb_strtable_lookup2(&s->files, name.data, name.size, &v)) {
upb_Status_SetErrorFormat(status,
"duplicate file name " UPB_STRINGVIEW_FORMAT,
UPB_STRINGVIEW_ARGS(name));
return NULL;
}
}
upb_DefBuilder ctx = {
.symtab = s,
.layout = layout,
.platform = s->platform,
.msg_count = 0,
.enum_count = 0,
.ext_count = 0,
.status = status,
.file = NULL,
.arena = upb_Arena_New(),
.tmp_arena = upb_Arena_New(),
};
return upb_DefBuilder_AddFileToPool(&ctx, s, file_proto, name, status);
}
const upb_FileDef* upb_DefPool_AddFile(upb_DefPool* s,
const UPB_DESC(FileDescriptorProto) *
file_proto,
upb_Status* status) {
return _upb_DefPool_AddFile(s, file_proto, NULL, status);
}
bool _upb_DefPool_LoadDefInitEx(upb_DefPool* s, const _upb_DefPool_Init* init,
bool rebuild_minitable) {
/* Since this function should never fail (it would indicate a bug in upb) we
* print errors to stderr instead of returning error status to the user. */
_upb_DefPool_Init** deps = init->deps;
UPB_DESC(FileDescriptorProto) * file;
upb_Arena* arena;
upb_Status status;
upb_Status_Clear(&status);
if (upb_DefPool_FindFileByName(s, init->filename)) {
return true;
}
arena = upb_Arena_New();
for (; *deps; deps++) {
if (!_upb_DefPool_LoadDefInitEx(s, *deps, rebuild_minitable)) goto err;
}
file = UPB_DESC(FileDescriptorProto_parse_ex)(
init->descriptor.data, init->descriptor.size, NULL,
kUpb_DecodeOption_AliasString, arena);
s->bytes_loaded += init->descriptor.size;
if (!file) {
upb_Status_SetErrorFormat(
&status,
"Failed to parse compiled-in descriptor for file '%s'. This should "
"never happen.",
init->filename);
goto err;
}
const upb_MiniTableFile* mt = rebuild_minitable ? NULL : init->layout;
if (!_upb_DefPool_AddFile(s, file, mt, &status)) {
goto err;
}
upb_Arena_Free(arena);
return true;
err:
fprintf(stderr,
"Error loading compiled-in descriptor for file '%s' (this should "
"never happen): %s\n",
init->filename, upb_Status_ErrorMessage(&status));
upb_Arena_Free(arena);
return false;
}
size_t _upb_DefPool_BytesLoaded(const upb_DefPool* s) {
return s->bytes_loaded;
}
upb_Arena* _upb_DefPool_Arena(const upb_DefPool* s) { return s->arena; }
const upb_FieldDef* upb_DefPool_FindExtensionByMiniTable(
const upb_DefPool* s, const upb_MiniTableExtension* ext) {
upb_value v;
bool ok = upb_inttable_lookup(&s->exts, (uintptr_t)ext, &v);
UPB_ASSERT(ok);
return upb_value_getconstptr(v);
}
const upb_FieldDef* upb_DefPool_FindExtensionByNumber(const upb_DefPool* s,
const upb_MessageDef* m,
int32_t fieldnum) {
const upb_MiniTable* t = upb_MessageDef_MiniTable(m);
const upb_MiniTableExtension* ext =
upb_ExtensionRegistry_Lookup(s->extreg, t, fieldnum);
return ext ? upb_DefPool_FindExtensionByMiniTable(s, ext) : NULL;
}
const upb_ExtensionRegistry* upb_DefPool_ExtensionRegistry(
const upb_DefPool* s) {
return s->extreg;
}
const upb_FieldDef** upb_DefPool_GetAllExtensions(const upb_DefPool* s,
const upb_MessageDef* m,
size_t* count) {
size_t n = 0;
intptr_t iter = UPB_INTTABLE_BEGIN;
uintptr_t key;
upb_value val;
// This is O(all exts) instead of O(exts for m). If we need this to be
// efficient we may need to make extreg into a two-level table, or have a
// second per-message index.
while (upb_inttable_next(&s->exts, &key, &val, &iter)) {
const upb_FieldDef* f = upb_value_getconstptr(val);
if (upb_FieldDef_ContainingType(f) == m) n++;
}
const upb_FieldDef** exts = malloc(n * sizeof(*exts));
iter = UPB_INTTABLE_BEGIN;
size_t i = 0;
while (upb_inttable_next(&s->exts, &key, &val, &iter)) {
const upb_FieldDef* f = upb_value_getconstptr(val);
if (upb_FieldDef_ContainingType(f) == m) exts[i++] = f;
}
*count = n;
return exts;
}
bool _upb_DefPool_LoadDefInit(upb_DefPool* s, const _upb_DefPool_Init* init) {
return _upb_DefPool_LoadDefInitEx(s, init, false);
}
// Must be last.
upb_deftype_t _upb_DefType_Type(upb_value v) {
const uintptr_t num = (uintptr_t)upb_value_getconstptr(v);
return num & UPB_DEFTYPE_MASK;
}
upb_value _upb_DefType_Pack(const void* ptr, upb_deftype_t type) {
uintptr_t num = (uintptr_t)ptr;
UPB_ASSERT((num & UPB_DEFTYPE_MASK) == 0);
num |= type;
return upb_value_constptr((const void*)num);
}
const void* _upb_DefType_Unpack(upb_value v, upb_deftype_t type) {
uintptr_t num = (uintptr_t)upb_value_getconstptr(v);
return (num & UPB_DEFTYPE_MASK) == type
? (const void*)(num & ~UPB_DEFTYPE_MASK)
: NULL;
}
// Must be last.
bool _upb_DescState_Grow(upb_DescState* d, upb_Arena* a) {
const size_t oldbufsize = d->bufsize;
const int used = d->ptr - d->buf;
if (!d->buf) {
d->buf = upb_Arena_Malloc(a, d->bufsize);
if (!d->buf) return false;
d->ptr = d->buf;
d->e.end = d->buf + d->bufsize;
}
if (oldbufsize - used < kUpb_MtDataEncoder_MinSize) {
d->bufsize *= 2;
d->buf = upb_Arena_Realloc(a, d->buf, oldbufsize, d->bufsize);
if (!d->buf) return false;
d->ptr = d->buf + used;
d->e.end = d->buf + d->bufsize;
}
return true;
}
// Must be last.
struct upb_EnumDef {
const UPB_DESC(EnumOptions) * opts;
const upb_MiniTableEnum* layout; // Only for proto2.
const upb_FileDef* file;
const upb_MessageDef* containing_type; // Could be merged with "file".
const char* full_name;
upb_strtable ntoi;
upb_inttable iton;
const upb_EnumValueDef* values;
const upb_EnumReservedRange* res_ranges;
const upb_StringView* res_names;
int value_count;
int res_range_count;
int res_name_count;
int32_t defaultval;
bool is_closed;
bool is_sorted; // Whether all of the values are defined in ascending order.
};
upb_EnumDef* _upb_EnumDef_At(const upb_EnumDef* e, int i) {
return (upb_EnumDef*)&e[i];
}
const upb_MiniTableEnum* _upb_EnumDef_MiniTable(const upb_EnumDef* e) {
return e->layout;
}
bool _upb_EnumDef_Insert(upb_EnumDef* e, upb_EnumValueDef* v, upb_Arena* a) {
const char* name = upb_EnumValueDef_Name(v);
const upb_value val = upb_value_constptr(v);
bool ok = upb_strtable_insert(&e->ntoi, name, strlen(name), val, a);
if (!ok) return false;
// Multiple enumerators can have the same number, first one wins.
const int number = upb_EnumValueDef_Number(v);
if (!upb_inttable_lookup(&e->iton, number, NULL)) {
return upb_inttable_insert(&e->iton, number, val, a);
}
return true;
}
const UPB_DESC(EnumOptions) * upb_EnumDef_Options(const upb_EnumDef* e) {
return e->opts;
}
bool upb_EnumDef_HasOptions(const upb_EnumDef* e) {
return e->opts != (void*)kUpbDefOptDefault;
}
const char* upb_EnumDef_FullName(const upb_EnumDef* e) { return e->full_name; }
const char* upb_EnumDef_Name(const upb_EnumDef* e) {
return _upb_DefBuilder_FullToShort(e->full_name);
}
const upb_FileDef* upb_EnumDef_File(const upb_EnumDef* e) { return e->file; }
const upb_MessageDef* upb_EnumDef_ContainingType(const upb_EnumDef* e) {
return e->containing_type;
}
int32_t upb_EnumDef_Default(const upb_EnumDef* e) {
UPB_ASSERT(upb_EnumDef_FindValueByNumber(e, e->defaultval));
return e->defaultval;
}
int upb_EnumDef_ReservedRangeCount(const upb_EnumDef* e) {
return e->res_range_count;
}
const upb_EnumReservedRange* upb_EnumDef_ReservedRange(const upb_EnumDef* e,
int i) {
UPB_ASSERT(0 <= i && i < e->res_range_count);
return _upb_EnumReservedRange_At(e->res_ranges, i);
}
int upb_EnumDef_ReservedNameCount(const upb_EnumDef* e) {
return e->res_name_count;
}
upb_StringView upb_EnumDef_ReservedName(const upb_EnumDef* e, int i) {
UPB_ASSERT(0 <= i && i < e->res_name_count);
return e->res_names[i];
}
int upb_EnumDef_ValueCount(const upb_EnumDef* e) { return e->value_count; }
const upb_EnumValueDef* upb_EnumDef_FindValueByName(const upb_EnumDef* e,
const char* name) {
return upb_EnumDef_FindValueByNameWithSize(e, name, strlen(name));
}
const upb_EnumValueDef* upb_EnumDef_FindValueByNameWithSize(
const upb_EnumDef* e, const char* name, size_t size) {
upb_value v;
return upb_strtable_lookup2(&e->ntoi, name, size, &v)
? upb_value_getconstptr(v)
: NULL;
}
const upb_EnumValueDef* upb_EnumDef_FindValueByNumber(const upb_EnumDef* e,
int32_t num) {
upb_value v;
return upb_inttable_lookup(&e->iton, num, &v) ? upb_value_getconstptr(v)
: NULL;
}
bool upb_EnumDef_CheckNumber(const upb_EnumDef* e, int32_t num) {
// We could use upb_EnumDef_FindValueByNumber(e, num) != NULL, but we expect
// this to be faster (especially for small numbers).
return upb_MiniTableEnum_CheckValue(e->layout, num);
}
const upb_EnumValueDef* upb_EnumDef_Value(const upb_EnumDef* e, int i) {
UPB_ASSERT(0 <= i && i < e->value_count);
return _upb_EnumValueDef_At(e->values, i);
}
bool upb_EnumDef_IsClosed(const upb_EnumDef* e) { return e->is_closed; }
bool upb_EnumDef_MiniDescriptorEncode(const upb_EnumDef* e, upb_Arena* a,
upb_StringView* out) {
upb_DescState s;
_upb_DescState_Init(&s);
const upb_EnumValueDef** sorted = NULL;
if (!e->is_sorted) {
sorted = _upb_EnumValueDefs_Sorted(e->values, e->value_count, a);
if (!sorted) return false;
}
if (!_upb_DescState_Grow(&s, a)) return false;
s.ptr = upb_MtDataEncoder_StartEnum(&s.e, s.ptr);
// Duplicate values are allowed but we only encode each value once.
uint32_t previous = 0;
for (size_t i = 0; i < e->value_count; i++) {
const uint32_t current =
upb_EnumValueDef_Number(sorted ? sorted[i] : upb_EnumDef_Value(e, i));
if (i != 0 && previous == current) continue;
if (!_upb_DescState_Grow(&s, a)) return false;
s.ptr = upb_MtDataEncoder_PutEnumValue(&s.e, s.ptr, current);
previous = current;
}
if (!_upb_DescState_Grow(&s, a)) return false;
s.ptr = upb_MtDataEncoder_EndEnum(&s.e, s.ptr);
// There will always be room for this '\0' in the encoder buffer because
// kUpb_MtDataEncoder_MinSize is overkill for upb_MtDataEncoder_EndEnum().
UPB_ASSERT(s.ptr < s.buf + s.bufsize);
*s.ptr = '\0';
out->data = s.buf;
out->size = s.ptr - s.buf;
return true;
}
static upb_MiniTableEnum* create_enumlayout(upb_DefBuilder* ctx,
const upb_EnumDef* e) {
upb_StringView sv;
bool ok = upb_EnumDef_MiniDescriptorEncode(e, ctx->tmp_arena, &sv);
if (!ok) _upb_DefBuilder_Errf(ctx, "OOM while building enum MiniDescriptor");
upb_Status status;
upb_MiniTableEnum* layout =
upb_MiniTableEnum_Build(sv.data, sv.size, ctx->arena, &status);
if (!layout)
_upb_DefBuilder_Errf(ctx, "Error building enum MiniTable: %s", status.msg);
return layout;
}
static upb_StringView* _upb_EnumReservedNames_New(
upb_DefBuilder* ctx, int n, const upb_StringView* protos) {
upb_StringView* sv = _upb_DefBuilder_Alloc(ctx, sizeof(upb_StringView) * n);
for (size_t i = 0; i < n; i++) {
sv[i].data =
upb_strdup2(protos[i].data, protos[i].size, _upb_DefBuilder_Arena(ctx));
sv[i].size = protos[i].size;
}
return sv;
}
static void create_enumdef(upb_DefBuilder* ctx, const char* prefix,
const UPB_DESC(EnumDescriptorProto) * enum_proto,
upb_EnumDef* e) {
const UPB_DESC(EnumValueDescriptorProto)* const* values;
const UPB_DESC(EnumDescriptorProto_EnumReservedRange)* const* res_ranges;
const upb_StringView* res_names;
upb_StringView name;
size_t n_value, n_res_range, n_res_name;
// Must happen before _upb_DefBuilder_Add()
e->file = _upb_DefBuilder_File(ctx);
name = UPB_DESC(EnumDescriptorProto_name)(enum_proto);
e->full_name = _upb_DefBuilder_MakeFullName(ctx, prefix, name);
_upb_DefBuilder_Add(ctx, e->full_name,
_upb_DefType_Pack(e, UPB_DEFTYPE_ENUM));
e->is_closed = (!UPB_TREAT_PROTO2_ENUMS_LIKE_PROTO3) &&
(upb_FileDef_Syntax(e->file) == kUpb_Syntax_Proto2);
values = UPB_DESC(EnumDescriptorProto_value)(enum_proto, &n_value);
bool ok = upb_strtable_init(&e->ntoi, n_value, ctx->arena);
if (!ok) _upb_DefBuilder_OomErr(ctx);
ok = upb_inttable_init(&e->iton, ctx->arena);
if (!ok) _upb_DefBuilder_OomErr(ctx);
e->defaultval = 0;
e->value_count = n_value;
e->values =
_upb_EnumValueDefs_New(ctx, prefix, n_value, values, e, &e->is_sorted);
if (n_value == 0) {
_upb_DefBuilder_Errf(ctx, "enums must contain at least one value (%s)",
e->full_name);
}
res_ranges =
UPB_DESC(EnumDescriptorProto_reserved_range)(enum_proto, &n_res_range);
e->res_range_count = n_res_range;
e->res_ranges = _upb_EnumReservedRanges_New(ctx, n_res_range, res_ranges, e);
res_names =
UPB_DESC(EnumDescriptorProto_reserved_name)(enum_proto, &n_res_name);
e->res_name_count = n_res_name;
e->res_names = _upb_EnumReservedNames_New(ctx, n_res_name, res_names);
UPB_DEF_SET_OPTIONS(e->opts, EnumDescriptorProto, EnumOptions, enum_proto);
upb_inttable_compact(&e->iton, ctx->arena);
if (e->is_closed) {
if (ctx->layout) {
UPB_ASSERT(ctx->enum_count < ctx->layout->enum_count);
e->layout = ctx->layout->enums[ctx->enum_count++];
} else {
e->layout = create_enumlayout(ctx, e);
}
} else {
e->layout = NULL;
}
}
upb_EnumDef* _upb_EnumDefs_New(
upb_DefBuilder* ctx, int n,
const UPB_DESC(EnumDescriptorProto) * const* protos,
const upb_MessageDef* containing_type) {
_upb_DefType_CheckPadding(sizeof(upb_EnumDef));
// If a containing type is defined then get the full name from that.
// Otherwise use the package name from the file def.
const char* name = containing_type ? upb_MessageDef_FullName(containing_type)
: _upb_FileDef_RawPackage(ctx->file);
upb_EnumDef* e = _upb_DefBuilder_Alloc(ctx, sizeof(upb_EnumDef) * n);
for (size_t i = 0; i < n; i++) {
create_enumdef(ctx, name, protos[i], &e[i]);
e[i].containing_type = containing_type;
}
return e;
}
// #include "upb/reflection/extension_range_internal.h"
// #include "upb/reflection/message_def.h"
// Must be last.
struct upb_EnumReservedRange {
int32_t start;
int32_t end;
};
upb_EnumReservedRange* _upb_EnumReservedRange_At(const upb_EnumReservedRange* r,
int i) {
return (upb_EnumReservedRange*)&r[i];
}
int32_t upb_EnumReservedRange_Start(const upb_EnumReservedRange* r) {
return r->start;
}
int32_t upb_EnumReservedRange_End(const upb_EnumReservedRange* r) {
return r->end;
}
upb_EnumReservedRange* _upb_EnumReservedRanges_New(
upb_DefBuilder* ctx, int n,
const UPB_DESC(EnumDescriptorProto_EnumReservedRange) * const* protos,
const upb_EnumDef* e) {
upb_EnumReservedRange* r =
_upb_DefBuilder_Alloc(ctx, sizeof(upb_EnumReservedRange) * n);
for (int i = 0; i < n; i++) {
const int32_t start =
UPB_DESC(EnumDescriptorProto_EnumReservedRange_start)(protos[i]);
const int32_t end =
UPB_DESC(EnumDescriptorProto_EnumReservedRange_end)(protos[i]);
// A full validation would also check that each range is disjoint, and that
// none of the fields overlap with the extension ranges, but we are just
// sanity checking here.
// Note: Not a typo! Unlike extension ranges and message reserved ranges,
// the end value of an enum reserved range is *inclusive*!
if (end < start) {
_upb_DefBuilder_Errf(ctx, "Reserved range (%d, %d) is invalid, enum=%s\n",
(int)start, (int)end, upb_EnumDef_FullName(e));
}
r[i].start = start;
r[i].end = end;
}
return r;
}
// Must be last.
struct upb_EnumValueDef {
const UPB_DESC(EnumValueOptions) * opts;
const upb_EnumDef* parent;
const char* full_name;
int32_t number;
};
upb_EnumValueDef* _upb_EnumValueDef_At(const upb_EnumValueDef* v, int i) {
return (upb_EnumValueDef*)&v[i];
}
static int _upb_EnumValueDef_Compare(const void* p1, const void* p2) {
const uint32_t v1 = (*(const upb_EnumValueDef**)p1)->number;
const uint32_t v2 = (*(const upb_EnumValueDef**)p2)->number;
return (v1 < v2) ? -1 : (v1 > v2);
}
const upb_EnumValueDef** _upb_EnumValueDefs_Sorted(const upb_EnumValueDef* v,
int n, upb_Arena* a) {
// TODO: Try to replace this arena alloc with a persistent scratch buffer.
upb_EnumValueDef** out =
(upb_EnumValueDef**)upb_Arena_Malloc(a, n * sizeof(void*));
if (!out) return NULL;
for (int i = 0; i < n; i++) {
out[i] = (upb_EnumValueDef*)&v[i];
}
qsort(out, n, sizeof(void*), _upb_EnumValueDef_Compare);
return (const upb_EnumValueDef**)out;
}
const UPB_DESC(EnumValueOptions) *
upb_EnumValueDef_Options(const upb_EnumValueDef* v) {
return v->opts;
}
bool upb_EnumValueDef_HasOptions(const upb_EnumValueDef* v) {
return v->opts != (void*)kUpbDefOptDefault;
}
const upb_EnumDef* upb_EnumValueDef_Enum(const upb_EnumValueDef* v) {
return v->parent;
}
const char* upb_EnumValueDef_FullName(const upb_EnumValueDef* v) {
return v->full_name;
}
const char* upb_EnumValueDef_Name(const upb_EnumValueDef* v) {
return _upb_DefBuilder_FullToShort(v->full_name);
}
int32_t upb_EnumValueDef_Number(const upb_EnumValueDef* v) { return v->number; }
uint32_t upb_EnumValueDef_Index(const upb_EnumValueDef* v) {
// Compute index in our parent's array.
return v - upb_EnumDef_Value(v->parent, 0);
}
static void create_enumvaldef(upb_DefBuilder* ctx, const char* prefix,
const UPB_DESC(EnumValueDescriptorProto) *
val_proto,
upb_EnumDef* e, upb_EnumValueDef* v) {
upb_StringView name = UPB_DESC(EnumValueDescriptorProto_name)(val_proto);
v->parent = e; // Must happen prior to _upb_DefBuilder_Add()
v->full_name = _upb_DefBuilder_MakeFullName(ctx, prefix, name);
v->number = UPB_DESC(EnumValueDescriptorProto_number)(val_proto);
_upb_DefBuilder_Add(ctx, v->full_name,
_upb_DefType_Pack(v, UPB_DEFTYPE_ENUMVAL));
UPB_DEF_SET_OPTIONS(v->opts, EnumValueDescriptorProto, EnumValueOptions,
val_proto);
bool ok = _upb_EnumDef_Insert(e, v, ctx->arena);
if (!ok) _upb_DefBuilder_OomErr(ctx);
}
// Allocate and initialize an array of |n| enum value defs owned by |e|.
upb_EnumValueDef* _upb_EnumValueDefs_New(
upb_DefBuilder* ctx, const char* prefix, int n,
const UPB_DESC(EnumValueDescriptorProto) * const* protos, upb_EnumDef* e,
bool* is_sorted) {
_upb_DefType_CheckPadding(sizeof(upb_EnumValueDef));
upb_EnumValueDef* v =
_upb_DefBuilder_Alloc(ctx, sizeof(upb_EnumValueDef) * n);
*is_sorted = true;
uint32_t previous = 0;
for (size_t i = 0; i < n; i++) {
create_enumvaldef(ctx, prefix, protos[i], e, &v[i]);
const uint32_t current = v[i].number;
if (previous > current) *is_sorted = false;
previous = current;
}
if (upb_FileDef_Syntax(ctx->file) == kUpb_Syntax_Proto3 && n > 0 &&
v[0].number != 0) {
_upb_DefBuilder_Errf(ctx,
"for proto3, the first enum value must be zero (%s)",
upb_EnumDef_FullName(e));
}
return v;
}
// Must be last.
struct upb_ExtensionRange {
const UPB_DESC(ExtensionRangeOptions) * opts;
int32_t start;
int32_t end;
};
upb_ExtensionRange* _upb_ExtensionRange_At(const upb_ExtensionRange* r, int i) {
return (upb_ExtensionRange*)&r[i];
}
const UPB_DESC(ExtensionRangeOptions) *
upb_ExtensionRange_Options(const upb_ExtensionRange* r) {
return r->opts;
}
bool upb_ExtensionRange_HasOptions(const upb_ExtensionRange* r) {
return r->opts != (void*)kUpbDefOptDefault;
}
int32_t upb_ExtensionRange_Start(const upb_ExtensionRange* r) {
return r->start;
}
int32_t upb_ExtensionRange_End(const upb_ExtensionRange* r) { return r->end; }
upb_ExtensionRange* _upb_ExtensionRanges_New(
upb_DefBuilder* ctx, int n,
const UPB_DESC(DescriptorProto_ExtensionRange) * const* protos,
const upb_MessageDef* m) {
upb_ExtensionRange* r =
_upb_DefBuilder_Alloc(ctx, sizeof(upb_ExtensionRange) * n);
for (int i = 0; i < n; i++) {
const int32_t start =
UPB_DESC(DescriptorProto_ExtensionRange_start)(protos[i]);
const int32_t end = UPB_DESC(DescriptorProto_ExtensionRange_end)(protos[i]);
const int32_t max = UPB_DESC(MessageOptions_message_set_wire_format)(
upb_MessageDef_Options(m))
? INT32_MAX
: kUpb_MaxFieldNumber + 1;
// A full validation would also check that each range is disjoint, and that
// none of the fields overlap with the extension ranges, but we are just
// sanity checking here.
if (start < 1 || end <= start || end > max) {
_upb_DefBuilder_Errf(ctx,
"Extension range (%d, %d) is invalid, message=%s\n",
(int)start, (int)end, upb_MessageDef_FullName(m));
}
r[i].start = start;
r[i].end = end;
UPB_DEF_SET_OPTIONS(r[i].opts, DescriptorProto_ExtensionRange,
ExtensionRangeOptions, protos[i]);
}
return r;
}
#include <ctype.h>
#include <errno.h>
// Must be last.
#define UPB_FIELD_TYPE_UNSPECIFIED 0
typedef struct {
size_t len;
char str[1]; // Null-terminated string data follows.
} str_t;
struct upb_FieldDef {
const UPB_DESC(FieldOptions) * opts;
const upb_FileDef* file;
const upb_MessageDef* msgdef;
const char* full_name;
const char* json_name;
union {
int64_t sint;
uint64_t uint;
double dbl;
float flt;
bool boolean;
str_t* str;
void* msg; // Always NULL.
} defaultval;
union {
const upb_OneofDef* oneof;
const upb_MessageDef* extension_scope;
} scope;
union {
const upb_MessageDef* msgdef;
const upb_EnumDef* enumdef;
const UPB_DESC(FieldDescriptorProto) * unresolved;
} sub;
uint32_t number_;
uint16_t index_;
uint16_t layout_index; // Index into msgdef->layout->fields or file->exts
bool has_default;
bool has_json_name;
bool has_presence;
bool is_extension;
bool is_packed;
bool is_proto3_optional;
upb_FieldType type_;
upb_Label label_;
#if UINTPTR_MAX == 0xffffffff
uint32_t padding; // Increase size to a multiple of 8.
#endif
};
upb_FieldDef* _upb_FieldDef_At(const upb_FieldDef* f, int i) {
return (upb_FieldDef*)&f[i];
}
const UPB_DESC(FieldOptions) * upb_FieldDef_Options(const upb_FieldDef* f) {
return f->opts;
}
bool upb_FieldDef_HasOptions(const upb_FieldDef* f) {
return f->opts != (void*)kUpbDefOptDefault;
}
const char* upb_FieldDef_FullName(const upb_FieldDef* f) {
return f->full_name;
}
upb_CType upb_FieldDef_CType(const upb_FieldDef* f) {
switch (f->type_) {
case kUpb_FieldType_Double:
return kUpb_CType_Double;
case kUpb_FieldType_Float:
return kUpb_CType_Float;
case kUpb_FieldType_Int64:
case kUpb_FieldType_SInt64:
case kUpb_FieldType_SFixed64:
return kUpb_CType_Int64;
case kUpb_FieldType_Int32:
case kUpb_FieldType_SFixed32:
case kUpb_FieldType_SInt32:
return kUpb_CType_Int32;
case kUpb_FieldType_UInt64:
case kUpb_FieldType_Fixed64:
return kUpb_CType_UInt64;
case kUpb_FieldType_UInt32:
case kUpb_FieldType_Fixed32:
return kUpb_CType_UInt32;
case kUpb_FieldType_Enum:
return kUpb_CType_Enum;
case kUpb_FieldType_Bool:
return kUpb_CType_Bool;
case kUpb_FieldType_String:
return kUpb_CType_String;
case kUpb_FieldType_Bytes:
return kUpb_CType_Bytes;
case kUpb_FieldType_Group:
case kUpb_FieldType_Message:
return kUpb_CType_Message;
}
UPB_UNREACHABLE();
}
upb_FieldType upb_FieldDef_Type(const upb_FieldDef* f) { return f->type_; }
uint32_t upb_FieldDef_Index(const upb_FieldDef* f) { return f->index_; }
upb_Label upb_FieldDef_Label(const upb_FieldDef* f) { return f->label_; }
uint32_t upb_FieldDef_Number(const upb_FieldDef* f) { return f->number_; }
bool upb_FieldDef_IsExtension(const upb_FieldDef* f) { return f->is_extension; }
bool upb_FieldDef_IsPacked(const upb_FieldDef* f) { return f->is_packed; }
const char* upb_FieldDef_Name(const upb_FieldDef* f) {
return _upb_DefBuilder_FullToShort(f->full_name);
}
const char* upb_FieldDef_JsonName(const upb_FieldDef* f) {
return f->json_name;
}
bool upb_FieldDef_HasJsonName(const upb_FieldDef* f) {
return f->has_json_name;
}
const upb_FileDef* upb_FieldDef_File(const upb_FieldDef* f) { return f->file; }
const upb_MessageDef* upb_FieldDef_ContainingType(const upb_FieldDef* f) {
return f->msgdef;
}
const upb_MessageDef* upb_FieldDef_ExtensionScope(const upb_FieldDef* f) {
return f->is_extension ? f->scope.extension_scope : NULL;
}
const upb_OneofDef* upb_FieldDef_ContainingOneof(const upb_FieldDef* f) {
return f->is_extension ? NULL : f->scope.oneof;
}
const upb_OneofDef* upb_FieldDef_RealContainingOneof(const upb_FieldDef* f) {
const upb_OneofDef* oneof = upb_FieldDef_ContainingOneof(f);
if (!oneof || upb_OneofDef_IsSynthetic(oneof)) return NULL;
return oneof;
}
upb_MessageValue upb_FieldDef_Default(const upb_FieldDef* f) {
upb_MessageValue ret;
if (upb_FieldDef_IsRepeated(f) || upb_FieldDef_IsSubMessage(f)) {
return (upb_MessageValue){.msg_val = NULL};
}
switch (upb_FieldDef_CType(f)) {
case kUpb_CType_Bool:
return (upb_MessageValue){.bool_val = f->defaultval.boolean};
case kUpb_CType_Int64:
return (upb_MessageValue){.int64_val = f->defaultval.sint};
case kUpb_CType_UInt64:
return (upb_MessageValue){.uint64_val = f->defaultval.uint};
case kUpb_CType_Enum:
case kUpb_CType_Int32:
return (upb_MessageValue){.int32_val = (int32_t)f->defaultval.sint};
case kUpb_CType_UInt32:
return (upb_MessageValue){.uint32_val = (uint32_t)f->defaultval.uint};
case kUpb_CType_Float:
return (upb_MessageValue){.float_val = f->defaultval.flt};
case kUpb_CType_Double:
return (upb_MessageValue){.double_val = f->defaultval.dbl};
case kUpb_CType_String:
case kUpb_CType_Bytes: {
str_t* str = f->defaultval.str;
if (str) {
return (upb_MessageValue){
.str_val = (upb_StringView){.data = str->str, .size = str->len}};
} else {
return (upb_MessageValue){
.str_val = (upb_StringView){.data = NULL, .size = 0}};
}
}
default:
UPB_UNREACHABLE();
}
return ret;
}
const upb_MessageDef* upb_FieldDef_MessageSubDef(const upb_FieldDef* f) {
return upb_FieldDef_CType(f) == kUpb_CType_Message ? f->sub.msgdef : NULL;
}
const upb_EnumDef* upb_FieldDef_EnumSubDef(const upb_FieldDef* f) {
return upb_FieldDef_CType(f) == kUpb_CType_Enum ? f->sub.enumdef : NULL;
}
const upb_MiniTableField* upb_FieldDef_MiniTable(const upb_FieldDef* f) {
if (upb_FieldDef_IsExtension(f)) {
const upb_FileDef* file = upb_FieldDef_File(f);
return (upb_MiniTableField*)_upb_FileDef_ExtensionMiniTable(
file, f->layout_index);
} else {
const upb_MiniTable* layout = upb_MessageDef_MiniTable(f->msgdef);
return &layout->fields[f->layout_index];
}
}
const upb_MiniTableExtension* _upb_FieldDef_ExtensionMiniTable(
const upb_FieldDef* f) {
UPB_ASSERT(upb_FieldDef_IsExtension(f));
const upb_FileDef* file = upb_FieldDef_File(f);
return _upb_FileDef_ExtensionMiniTable(file, f->layout_index);
}
bool _upb_FieldDef_IsClosedEnum(const upb_FieldDef* f) {
if (f->type_ != kUpb_FieldType_Enum) return false;
return upb_EnumDef_IsClosed(f->sub.enumdef);
}
bool _upb_FieldDef_IsProto3Optional(const upb_FieldDef* f) {
return f->is_proto3_optional;
}
int _upb_FieldDef_LayoutIndex(const upb_FieldDef* f) { return f->layout_index; }
uint64_t _upb_FieldDef_Modifiers(const upb_FieldDef* f) {
uint64_t out = f->is_packed ? kUpb_FieldModifier_IsPacked : 0;
switch (f->label_) {
case kUpb_Label_Optional:
if (!upb_FieldDef_HasPresence(f)) {
out |= kUpb_FieldModifier_IsProto3Singular;
}
break;
case kUpb_Label_Repeated:
out |= kUpb_FieldModifier_IsRepeated;
break;
case kUpb_Label_Required:
out |= kUpb_FieldModifier_IsRequired;
break;
}
if (_upb_FieldDef_IsClosedEnum(f)) {
out |= kUpb_FieldModifier_IsClosedEnum;
}
return out;
}
bool upb_FieldDef_HasDefault(const upb_FieldDef* f) { return f->has_default; }
bool upb_FieldDef_HasPresence(const upb_FieldDef* f) { return f->has_presence; }
bool upb_FieldDef_HasSubDef(const upb_FieldDef* f) {
return upb_FieldDef_IsSubMessage(f) ||
upb_FieldDef_CType(f) == kUpb_CType_Enum;
}
bool upb_FieldDef_IsMap(const upb_FieldDef* f) {
return upb_FieldDef_IsRepeated(f) && upb_FieldDef_IsSubMessage(f) &&
upb_MessageDef_IsMapEntry(upb_FieldDef_MessageSubDef(f));
}
bool upb_FieldDef_IsOptional(const upb_FieldDef* f) {
return upb_FieldDef_Label(f) == kUpb_Label_Optional;
}
bool upb_FieldDef_IsPrimitive(const upb_FieldDef* f) {
return !upb_FieldDef_IsString(f) && !upb_FieldDef_IsSubMessage(f);
}
bool upb_FieldDef_IsRepeated(const upb_FieldDef* f) {
return upb_FieldDef_Label(f) == kUpb_Label_Repeated;
}
bool upb_FieldDef_IsRequired(const upb_FieldDef* f) {
return upb_FieldDef_Label(f) == kUpb_Label_Required;
}
bool upb_FieldDef_IsString(const upb_FieldDef* f) {
return upb_FieldDef_CType(f) == kUpb_CType_String ||
upb_FieldDef_CType(f) == kUpb_CType_Bytes;
}
bool upb_FieldDef_IsSubMessage(const upb_FieldDef* f) {
return upb_FieldDef_CType(f) == kUpb_CType_Message;
}
static bool between(int32_t x, int32_t low, int32_t high) {
return x >= low && x <= high;
}
bool upb_FieldDef_checklabel(int32_t label) { return between(label, 1, 3); }
bool upb_FieldDef_checktype(int32_t type) { return between(type, 1, 11); }
bool upb_FieldDef_checkintfmt(int32_t fmt) { return between(fmt, 1, 3); }
bool upb_FieldDef_checkdescriptortype(int32_t type) {
return between(type, 1, 18);
}
static bool streql2(const char* a, size_t n, const char* b) {
return n == strlen(b) && memcmp(a, b, n) == 0;
}
// Implement the transformation as described in the spec:
// 1. upper case all letters after an underscore.
// 2. remove all underscores.
static char* make_json_name(const char* name, size_t size, upb_Arena* a) {
char* out = upb_Arena_Malloc(a, size + 1); // +1 is to add a trailing '\0'
if (out == NULL) return NULL;
bool ucase_next = false;
char* des = out;
for (size_t i = 0; i < size; i++) {
if (name[i] == '_') {
ucase_next = true;
} else {
*des++ = ucase_next ? toupper(name[i]) : name[i];
ucase_next = false;
}
}
*des++ = '\0';
return out;
}
static str_t* newstr(upb_DefBuilder* ctx, const char* data, size_t len) {
str_t* ret = _upb_DefBuilder_Alloc(ctx, sizeof(*ret) + len);
if (!ret) _upb_DefBuilder_OomErr(ctx);
ret->len = len;
if (len) memcpy(ret->str, data, len);
ret->str[len] = '\0';
return ret;
}
static str_t* unescape(upb_DefBuilder* ctx, const upb_FieldDef* f,
const char* data, size_t len) {
// Size here is an upper bound; escape sequences could ultimately shrink it.
str_t* ret = _upb_DefBuilder_Alloc(ctx, sizeof(*ret) + len);
char* dst = &ret->str[0];
const char* src = data;
const char* end = data + len;
while (src < end) {
if (*src == '\\') {
src++;
*dst++ = _upb_DefBuilder_ParseEscape(ctx, f, &src, end);
} else {
*dst++ = *src++;
}
}
ret->len = dst - &ret->str[0];
return ret;
}
static void parse_default(upb_DefBuilder* ctx, const char* str, size_t len,
upb_FieldDef* f) {
char* end;
char nullz[64];
errno = 0;
switch (upb_FieldDef_CType(f)) {
case kUpb_CType_Int32:
case kUpb_CType_Int64:
case kUpb_CType_UInt32:
case kUpb_CType_UInt64:
case kUpb_CType_Double:
case kUpb_CType_Float:
// Standard C number parsing functions expect null-terminated strings.
if (len >= sizeof(nullz) - 1) {
_upb_DefBuilder_Errf(ctx, "Default too long: %.*s", (int)len, str);
}
memcpy(nullz, str, len);
nullz[len] = '\0';
str = nullz;
break;
default:
break;
}
switch (upb_FieldDef_CType(f)) {
case kUpb_CType_Int32: {
long val = strtol(str, &end, 0);
if (val > INT32_MAX || val < INT32_MIN || errno == ERANGE || *end) {
goto invalid;
}
f->defaultval.sint = val;
break;
}
case kUpb_CType_Enum: {
const upb_EnumDef* e = f->sub.enumdef;
const upb_EnumValueDef* ev =
upb_EnumDef_FindValueByNameWithSize(e, str, len);
if (!ev) {
goto invalid;
}
f->defaultval.sint = upb_EnumValueDef_Number(ev);
break;
}
case kUpb_CType_Int64: {
long long val = strtoll(str, &end, 0);
if (val > INT64_MAX || val < INT64_MIN || errno == ERANGE || *end) {
goto invalid;
}
f->defaultval.sint = val;
break;
}
case kUpb_CType_UInt32: {
unsigned long val = strtoul(str, &end, 0);
if (val > UINT32_MAX || errno == ERANGE || *end) {
goto invalid;
}
f->defaultval.uint = val;
break;
}
case kUpb_CType_UInt64: {
unsigned long long val = strtoull(str, &end, 0);
if (val > UINT64_MAX || errno == ERANGE || *end) {
goto invalid;
}
f->defaultval.uint = val;
break;
}
case kUpb_CType_Double: {
double val = strtod(str, &end);
if (errno == ERANGE || *end) {
goto invalid;
}
f->defaultval.dbl = val;
break;
}
case kUpb_CType_Float: {
float val = strtof(str, &end);
if (errno == ERANGE || *end) {
goto invalid;
}
f->defaultval.flt = val;
break;
}
case kUpb_CType_Bool: {
if (streql2(str, len, "false")) {
f->defaultval.boolean = false;
} else if (streql2(str, len, "true")) {
f->defaultval.boolean = true;
} else {
goto invalid;
}
break;
}
case kUpb_CType_String:
f->defaultval.str = newstr(ctx, str, len);
break;
case kUpb_CType_Bytes:
f->defaultval.str = unescape(ctx, f, str, len);
break;
case kUpb_CType_Message:
/* Should not have a default value. */
_upb_DefBuilder_Errf(ctx, "Message should not have a default (%s)",
upb_FieldDef_FullName(f));
}
return;
invalid:
_upb_DefBuilder_Errf(ctx, "Invalid default '%.*s' for field %s of type %d",
(int)len, str, upb_FieldDef_FullName(f),
(int)upb_FieldDef_Type(f));
}
static void set_default_default(upb_DefBuilder* ctx, upb_FieldDef* f) {
switch (upb_FieldDef_CType(f)) {
case kUpb_CType_Int32:
case kUpb_CType_Int64:
f->defaultval.sint = 0;
break;
case kUpb_CType_UInt64:
case kUpb_CType_UInt32:
f->defaultval.uint = 0;
break;
case kUpb_CType_Double:
case kUpb_CType_Float:
f->defaultval.dbl = 0;
break;
case kUpb_CType_String:
case kUpb_CType_Bytes:
f->defaultval.str = newstr(ctx, NULL, 0);
break;
case kUpb_CType_Bool:
f->defaultval.boolean = false;
break;
case kUpb_CType_Enum: {
const upb_EnumValueDef* v = upb_EnumDef_Value(f->sub.enumdef, 0);
f->defaultval.sint = upb_EnumValueDef_Number(v);
break;
}
case kUpb_CType_Message:
break;
}
}
static void _upb_FieldDef_Create(upb_DefBuilder* ctx, const char* prefix,
const UPB_DESC(FieldDescriptorProto) *
field_proto,
upb_MessageDef* m, upb_FieldDef* f) {
// Must happen before _upb_DefBuilder_Add()
f->file = _upb_DefBuilder_File(ctx);
if (!UPB_DESC(FieldDescriptorProto_has_name)(field_proto)) {
_upb_DefBuilder_Errf(ctx, "field has no name");
}
const upb_StringView name = UPB_DESC(FieldDescriptorProto_name)(field_proto);
f->full_name = _upb_DefBuilder_MakeFullName(ctx, prefix, name);
f->label_ = (int)UPB_DESC(FieldDescriptorProto_label)(field_proto);
f->number_ = UPB_DESC(FieldDescriptorProto_number)(field_proto);
f->is_proto3_optional =
UPB_DESC(FieldDescriptorProto_proto3_optional)(field_proto);
f->msgdef = m;
f->scope.oneof = NULL;
f->has_json_name = UPB_DESC(FieldDescriptorProto_has_json_name)(field_proto);
if (f->has_json_name) {
const upb_StringView sv =
UPB_DESC(FieldDescriptorProto_json_name)(field_proto);
f->json_name = upb_strdup2(sv.data, sv.size, ctx->arena);
} else {
f->json_name = make_json_name(name.data, name.size, ctx->arena);
}
if (!f->json_name) _upb_DefBuilder_OomErr(ctx);
const bool has_type = UPB_DESC(FieldDescriptorProto_has_type)(field_proto);
const bool has_type_name =
UPB_DESC(FieldDescriptorProto_has_type_name)(field_proto);
f->type_ = (int)UPB_DESC(FieldDescriptorProto_type)(field_proto);
if (has_type) {
switch (f->type_) {
case kUpb_FieldType_Message:
case kUpb_FieldType_Group:
case kUpb_FieldType_Enum:
if (!has_type_name) {
_upb_DefBuilder_Errf(ctx, "field of type %d requires type name (%s)",
(int)f->type_, f->full_name);
}
break;
default:
if (has_type_name) {
_upb_DefBuilder_Errf(
ctx, "invalid type for field with type_name set (%s, %d)",
f->full_name, (int)f->type_);
}
}
} else if (has_type_name) {
f->type_ =
UPB_FIELD_TYPE_UNSPECIFIED; // We'll assign this in resolve_fielddef()
}
if (f->type_ < kUpb_FieldType_Double || f->type_ > kUpb_FieldType_SInt64) {
_upb_DefBuilder_Errf(ctx, "invalid type for field %s (%d)", f->full_name,
f->type_);
}
if (f->label_ < kUpb_Label_Optional || f->label_ > kUpb_Label_Repeated) {
_upb_DefBuilder_Errf(ctx, "invalid label for field %s (%d)", f->full_name,
f->label_);
}
/* We can't resolve the subdef or (in the case of extensions) the containing
* message yet, because it may not have been defined yet. We stash a pointer
* to the field_proto until later when we can properly resolve it. */
f->sub.unresolved = field_proto;
if (f->label_ == kUpb_Label_Required &&
upb_FileDef_Syntax(f->file) == kUpb_Syntax_Proto3) {
_upb_DefBuilder_Errf(ctx, "proto3 fields cannot be required (%s)",
f->full_name);
}
if (UPB_DESC(FieldDescriptorProto_has_oneof_index)(field_proto)) {
uint32_t oneof_index =
UPB_DESC(FieldDescriptorProto_oneof_index)(field_proto);
if (upb_FieldDef_Label(f) != kUpb_Label_Optional) {
_upb_DefBuilder_Errf(ctx, "fields in oneof must have OPTIONAL label (%s)",
f->full_name);
}
if (!m) {
_upb_DefBuilder_Errf(ctx, "oneof field (%s) has no containing msg",
f->full_name);
}
if (oneof_index >= upb_MessageDef_OneofCount(m)) {
_upb_DefBuilder_Errf(ctx, "oneof_index out of range (%s)", f->full_name);
}
upb_OneofDef* oneof = (upb_OneofDef*)upb_MessageDef_Oneof(m, oneof_index);
f->scope.oneof = oneof;
_upb_OneofDef_Insert(ctx, oneof, f, name.data, name.size);
}
UPB_DEF_SET_OPTIONS(f->opts, FieldDescriptorProto, FieldOptions, field_proto);
if (UPB_DESC(FieldOptions_has_packed)(f->opts)) {
f->is_packed = UPB_DESC(FieldOptions_packed)(f->opts);
} else {
// Repeated fields default to packed for proto3 only.
f->is_packed = upb_FieldDef_IsPrimitive(f) &&
f->label_ == kUpb_Label_Repeated &&
upb_FileDef_Syntax(f->file) == kUpb_Syntax_Proto3;
}
f->has_presence =
(!upb_FieldDef_IsRepeated(f)) &&
(upb_FieldDef_IsSubMessage(f) || upb_FieldDef_ContainingOneof(f) ||
(upb_FileDef_Syntax(f->file) == kUpb_Syntax_Proto2));
}
static void _upb_FieldDef_CreateExt(upb_DefBuilder* ctx, const char* prefix,
const UPB_DESC(FieldDescriptorProto) *
field_proto,
upb_MessageDef* m, upb_FieldDef* f) {
f->is_extension = true;
_upb_FieldDef_Create(ctx, prefix, field_proto, m, f);
if (UPB_DESC(FieldDescriptorProto_has_oneof_index)(field_proto)) {
_upb_DefBuilder_Errf(ctx, "oneof_index provided for extension field (%s)",
f->full_name);
}
f->scope.extension_scope = m;
_upb_DefBuilder_Add(ctx, f->full_name, _upb_DefType_Pack(f, UPB_DEFTYPE_EXT));
f->layout_index = ctx->ext_count++;
if (ctx->layout) {
UPB_ASSERT(_upb_FieldDef_ExtensionMiniTable(f)->field.number == f->number_);
}
}
static void _upb_FieldDef_CreateNotExt(upb_DefBuilder* ctx, const char* prefix,
const UPB_DESC(FieldDescriptorProto) *
field_proto,
upb_MessageDef* m, upb_FieldDef* f) {
f->is_extension = false;
_upb_FieldDef_Create(ctx, prefix, field_proto, m, f);
if (!UPB_DESC(FieldDescriptorProto_has_oneof_index)(field_proto)) {
if (f->is_proto3_optional) {
_upb_DefBuilder_Errf(
ctx,
"non-extension field (%s) with proto3_optional was not in a oneof",
f->full_name);
}
}
_upb_MessageDef_InsertField(ctx, m, f);
}
upb_FieldDef* _upb_Extensions_New(
upb_DefBuilder* ctx, int n,
const UPB_DESC(FieldDescriptorProto) * const* protos, const char* prefix,
upb_MessageDef* m) {
_upb_DefType_CheckPadding(sizeof(upb_FieldDef));
upb_FieldDef* defs =
(upb_FieldDef*)_upb_DefBuilder_Alloc(ctx, sizeof(upb_FieldDef) * n);
for (int i = 0; i < n; i++) {
upb_FieldDef* f = &defs[i];
_upb_FieldDef_CreateExt(ctx, prefix, protos[i], m, f);
f->index_ = i;
}
return defs;
}
upb_FieldDef* _upb_FieldDefs_New(
upb_DefBuilder* ctx, int n,
const UPB_DESC(FieldDescriptorProto) * const* protos, const char* prefix,
upb_MessageDef* m, bool* is_sorted) {
_upb_DefType_CheckPadding(sizeof(upb_FieldDef));
upb_FieldDef* defs =
(upb_FieldDef*)_upb_DefBuilder_Alloc(ctx, sizeof(upb_FieldDef) * n);
uint32_t previous = 0;
for (int i = 0; i < n; i++) {
upb_FieldDef* f = &defs[i];
_upb_FieldDef_CreateNotExt(ctx, prefix, protos[i], m, f);
f->index_ = i;
if (!ctx->layout) {
// Speculate that the def fields are sorted. We will always sort the
// MiniTable fields, so if defs are sorted then indices will match.
//
// If this is incorrect, we will overwrite later.
f->layout_index = i;
}
const uint32_t current = f->number_;
if (previous > current) *is_sorted = false;
previous = current;
}
return defs;
}
static void resolve_subdef(upb_DefBuilder* ctx, const char* prefix,
upb_FieldDef* f) {
const UPB_DESC(FieldDescriptorProto)* field_proto = f->sub.unresolved;
upb_StringView name = UPB_DESC(FieldDescriptorProto_type_name)(field_proto);
bool has_name = UPB_DESC(FieldDescriptorProto_has_type_name)(field_proto);
switch ((int)f->type_) {
case UPB_FIELD_TYPE_UNSPECIFIED: {
// Type was not specified and must be inferred.
UPB_ASSERT(has_name);
upb_deftype_t type;
const void* def =
_upb_DefBuilder_ResolveAny(ctx, f->full_name, prefix, name, &type);
switch (type) {
case UPB_DEFTYPE_ENUM:
f->sub.enumdef = def;
f->type_ = kUpb_FieldType_Enum;
break;
case UPB_DEFTYPE_MSG:
f->sub.msgdef = def;
f->type_ = kUpb_FieldType_Message; // It appears there is no way of
// this being a group.
break;
default:
_upb_DefBuilder_Errf(ctx, "Couldn't resolve type name for field %s",
f->full_name);
}
}
case kUpb_FieldType_Message:
case kUpb_FieldType_Group:
UPB_ASSERT(has_name);
f->sub.msgdef = _upb_DefBuilder_Resolve(ctx, f->full_name, prefix, name,
UPB_DEFTYPE_MSG);
break;
case kUpb_FieldType_Enum:
UPB_ASSERT(has_name);
f->sub.enumdef = _upb_DefBuilder_Resolve(ctx, f->full_name, prefix, name,
UPB_DEFTYPE_ENUM);
break;
default:
// No resolution necessary.
break;
}
}
static int _upb_FieldDef_Compare(const void* p1, const void* p2) {
const uint32_t v1 = (*(upb_FieldDef**)p1)->number_;
const uint32_t v2 = (*(upb_FieldDef**)p2)->number_;
return (v1 < v2) ? -1 : (v1 > v2);
}
// _upb_FieldDefs_Sorted() is mostly a pure function of its inputs, but has one
// critical side effect that we depend on: it sets layout_index appropriately
// for non-sorted lists of fields.
const upb_FieldDef** _upb_FieldDefs_Sorted(const upb_FieldDef* f, int n,
upb_Arena* a) {
// TODO(salo): Replace this arena alloc with a persistent scratch buffer.
upb_FieldDef** out = (upb_FieldDef**)upb_Arena_Malloc(a, n * sizeof(void*));
if (!out) return NULL;
for (int i = 0; i < n; i++) {
out[i] = (upb_FieldDef*)&f[i];
}
qsort(out, n, sizeof(void*), _upb_FieldDef_Compare);
for (int i = 0; i < n; i++) {
out[i]->layout_index = i;
}
return (const upb_FieldDef**)out;
}
bool upb_FieldDef_MiniDescriptorEncode(const upb_FieldDef* f, upb_Arena* a,
upb_StringView* out) {
UPB_ASSERT(f->is_extension);
upb_DescState s;
_upb_DescState_Init(&s);
const int number = upb_FieldDef_Number(f);
const uint64_t modifiers = _upb_FieldDef_Modifiers(f);
if (!_upb_DescState_Grow(&s, a)) return false;
s.ptr = upb_MtDataEncoder_EncodeExtension(&s.e, s.ptr, f->type_, number,
modifiers);
*s.ptr = '\0';
out->data = s.buf;
out->size = s.ptr - s.buf;
return true;
}
static void resolve_extension(upb_DefBuilder* ctx, const char* prefix,
upb_FieldDef* f,
const UPB_DESC(FieldDescriptorProto) *
field_proto) {
if (!UPB_DESC(FieldDescriptorProto_has_extendee)(field_proto)) {
_upb_DefBuilder_Errf(ctx, "extension for field '%s' had no extendee",
f->full_name);
}
upb_StringView name = UPB_DESC(FieldDescriptorProto_extendee)(field_proto);
const upb_MessageDef* m =
_upb_DefBuilder_Resolve(ctx, f->full_name, prefix, name, UPB_DEFTYPE_MSG);
f->msgdef = m;
if (!_upb_MessageDef_IsValidExtensionNumber(m, f->number_)) {
_upb_DefBuilder_Errf(
ctx,
"field number %u in extension %s has no extension range in message %s",
(unsigned)f->number_, f->full_name, upb_MessageDef_FullName(m));
}
}
void _upb_FieldDef_BuildMiniTableExtension(upb_DefBuilder* ctx,
const upb_FieldDef* f) {
const upb_MiniTableExtension* ext = _upb_FieldDef_ExtensionMiniTable(f);
if (ctx->layout) {
UPB_ASSERT(upb_FieldDef_Number(f) == ext->field.number);
} else {
upb_StringView desc;
if (!upb_FieldDef_MiniDescriptorEncode(f, ctx->tmp_arena, &desc)) {
_upb_DefBuilder_OomErr(ctx);
}
upb_MiniTableExtension* mut_ext = (upb_MiniTableExtension*)ext;
upb_MiniTableSub sub = {NULL};
if (upb_FieldDef_IsSubMessage(f)) {
sub.submsg = upb_MessageDef_MiniTable(f->sub.msgdef);
} else if (_upb_FieldDef_IsClosedEnum(f)) {
sub.subenum = _upb_EnumDef_MiniTable(f->sub.enumdef);
}
bool ok2 = upb_MiniTableExtension_Init(desc.data, desc.size, mut_ext,
upb_MessageDef_MiniTable(f->msgdef),
sub, ctx->status);
if (!ok2) _upb_DefBuilder_Errf(ctx, "Could not build extension mini table");
}
bool ok = _upb_DefPool_InsertExt(ctx->symtab, ext, f);
if (!ok) _upb_DefBuilder_OomErr(ctx);
}
static void resolve_default(upb_DefBuilder* ctx, upb_FieldDef* f,
const UPB_DESC(FieldDescriptorProto) *
field_proto) {
// Have to delay resolving of the default value until now because of the enum
// case, since enum defaults are specified with a label.
if (UPB_DESC(FieldDescriptorProto_has_default_value)(field_proto)) {
upb_StringView defaultval =
UPB_DESC(FieldDescriptorProto_default_value)(field_proto);
if (upb_FileDef_Syntax(f->file) == kUpb_Syntax_Proto3) {
_upb_DefBuilder_Errf(ctx,
"proto3 fields cannot have explicit defaults (%s)",
f->full_name);
}
if (upb_FieldDef_IsSubMessage(f)) {
_upb_DefBuilder_Errf(ctx,
"message fields cannot have explicit defaults (%s)",
f->full_name);
}
parse_default(ctx, defaultval.data, defaultval.size, f);
f->has_default = true;
} else {
set_default_default(ctx, f);
f->has_default = false;
}
}
void _upb_FieldDef_Resolve(upb_DefBuilder* ctx, const char* prefix,
upb_FieldDef* f) {
// We have to stash this away since resolve_subdef() may overwrite it.
const UPB_DESC(FieldDescriptorProto)* field_proto = f->sub.unresolved;
resolve_subdef(ctx, prefix, f);
resolve_default(ctx, f, field_proto);
if (f->is_extension) {
resolve_extension(ctx, prefix, f, field_proto);
}
}
// Must be last.
struct upb_FileDef {
const UPB_DESC(FileOptions) * opts;
const char* name;
const char* package;
const char* edition;
const upb_FileDef** deps;
const int32_t* public_deps;
const int32_t* weak_deps;
const upb_MessageDef* top_lvl_msgs;
const upb_EnumDef* top_lvl_enums;
const upb_FieldDef* top_lvl_exts;
const upb_ServiceDef* services;
const upb_MiniTableExtension** ext_layouts;
const upb_DefPool* symtab;
int dep_count;
int public_dep_count;
int weak_dep_count;
int top_lvl_msg_count;
int top_lvl_enum_count;
int top_lvl_ext_count;
int service_count;
int ext_count; // All exts in the file.
upb_Syntax syntax;
};
const UPB_DESC(FileOptions) * upb_FileDef_Options(const upb_FileDef* f) {
return f->opts;
}
bool upb_FileDef_HasOptions(const upb_FileDef* f) {
return f->opts != (void*)kUpbDefOptDefault;
}
const char* upb_FileDef_Name(const upb_FileDef* f) { return f->name; }
const char* upb_FileDef_Package(const upb_FileDef* f) {
return f->package ? f->package : "";
}
const char* upb_FileDef_Edition(const upb_FileDef* f) {
return f->edition ? f->edition : "";
}
const char* _upb_FileDef_RawPackage(const upb_FileDef* f) { return f->package; }
upb_Syntax upb_FileDef_Syntax(const upb_FileDef* f) { return f->syntax; }
int upb_FileDef_TopLevelMessageCount(const upb_FileDef* f) {
return f->top_lvl_msg_count;
}
int upb_FileDef_DependencyCount(const upb_FileDef* f) { return f->dep_count; }
int upb_FileDef_PublicDependencyCount(const upb_FileDef* f) {
return f->public_dep_count;
}
int upb_FileDef_WeakDependencyCount(const upb_FileDef* f) {
return f->weak_dep_count;
}
const int32_t* _upb_FileDef_PublicDependencyIndexes(const upb_FileDef* f) {
return f->public_deps;
}
const int32_t* _upb_FileDef_WeakDependencyIndexes(const upb_FileDef* f) {
return f->weak_deps;
}
int upb_FileDef_TopLevelEnumCount(const upb_FileDef* f) {
return f->top_lvl_enum_count;
}
int upb_FileDef_TopLevelExtensionCount(const upb_FileDef* f) {
return f->top_lvl_ext_count;
}
int upb_FileDef_ServiceCount(const upb_FileDef* f) { return f->service_count; }
const upb_FileDef* upb_FileDef_Dependency(const upb_FileDef* f, int i) {
UPB_ASSERT(0 <= i && i < f->dep_count);
return f->deps[i];
}
const upb_FileDef* upb_FileDef_PublicDependency(const upb_FileDef* f, int i) {
UPB_ASSERT(0 <= i && i < f->public_dep_count);
return f->deps[f->public_deps[i]];
}
const upb_FileDef* upb_FileDef_WeakDependency(const upb_FileDef* f, int i) {
UPB_ASSERT(0 <= i && i < f->public_dep_count);
return f->deps[f->weak_deps[i]];
}
const upb_MessageDef* upb_FileDef_TopLevelMessage(const upb_FileDef* f, int i) {
UPB_ASSERT(0 <= i && i < f->top_lvl_msg_count);
return _upb_MessageDef_At(f->top_lvl_msgs, i);
}
const upb_EnumDef* upb_FileDef_TopLevelEnum(const upb_FileDef* f, int i) {
UPB_ASSERT(0 <= i && i < f->top_lvl_enum_count);
return _upb_EnumDef_At(f->top_lvl_enums, i);
}
const upb_FieldDef* upb_FileDef_TopLevelExtension(const upb_FileDef* f, int i) {
UPB_ASSERT(0 <= i && i < f->top_lvl_ext_count);
return _upb_FieldDef_At(f->top_lvl_exts, i);
}
const upb_ServiceDef* upb_FileDef_Service(const upb_FileDef* f, int i) {
UPB_ASSERT(0 <= i && i < f->service_count);
return _upb_ServiceDef_At(f->services, i);
}
const upb_DefPool* upb_FileDef_Pool(const upb_FileDef* f) { return f->symtab; }
const upb_MiniTableExtension* _upb_FileDef_ExtensionMiniTable(
const upb_FileDef* f, int i) {
return f->ext_layouts[i];
}
static char* strviewdup(upb_DefBuilder* ctx, upb_StringView view) {
char* ret = upb_strdup2(view.data, view.size, _upb_DefBuilder_Arena(ctx));
if (!ret) _upb_DefBuilder_OomErr(ctx);
return ret;
}
static bool streql_view(upb_StringView view, const char* b) {
return view.size == strlen(b) && memcmp(view.data, b, view.size) == 0;
}
static int count_exts_in_msg(const UPB_DESC(DescriptorProto) * msg_proto) {
size_t n;
UPB_DESC(DescriptorProto_extension)(msg_proto, &n);
int ext_count = n;
const UPB_DESC(DescriptorProto)* const* nested_msgs =
UPB_DESC(DescriptorProto_nested_type)(msg_proto, &n);
for (size_t i = 0; i < n; i++) {
ext_count += count_exts_in_msg(nested_msgs[i]);
}
return ext_count;
}
// Allocate and initialize one file def, and add it to the context object.
void _upb_FileDef_Create(upb_DefBuilder* ctx,
const UPB_DESC(FileDescriptorProto) * file_proto) {
upb_FileDef* file = _upb_DefBuilder_Alloc(ctx, sizeof(upb_FileDef));
ctx->file = file;
const UPB_DESC(DescriptorProto)* const* msgs;
const UPB_DESC(EnumDescriptorProto)* const* enums;
const UPB_DESC(FieldDescriptorProto)* const* exts;
const UPB_DESC(ServiceDescriptorProto)* const* services;
const upb_StringView* strs;
const int32_t* public_deps;
const int32_t* weak_deps;
size_t n;
file->symtab = ctx->symtab;
// Count all extensions in the file, to build a flat array of layouts.
UPB_DESC(FileDescriptorProto_extension)(file_proto, &n);
int ext_count = n;
msgs = UPB_DESC(FileDescriptorProto_message_type)(file_proto, &n);
for (int i = 0; i < n; i++) {
ext_count += count_exts_in_msg(msgs[i]);
}
file->ext_count = ext_count;
if (ctx->layout) {
// We are using the ext layouts that were passed in.
file->ext_layouts = ctx->layout->exts;
if (ctx->layout->ext_count != file->ext_count) {
_upb_DefBuilder_Errf(ctx,
"Extension count did not match layout (%d vs %d)",
ctx->layout->ext_count, file->ext_count);
}
} else {
// We are building ext layouts from scratch.
file->ext_layouts = _upb_DefBuilder_Alloc(
ctx, sizeof(*file->ext_layouts) * file->ext_count);
upb_MiniTableExtension* ext =
_upb_DefBuilder_Alloc(ctx, sizeof(*ext) * file->ext_count);
for (int i = 0; i < file->ext_count; i++) {
file->ext_layouts[i] = &ext[i];
}
}
upb_StringView name = UPB_DESC(FileDescriptorProto_name)(file_proto);
file->name = strviewdup(ctx, name);
if (strlen(file->name) != name.size) {
_upb_DefBuilder_Errf(ctx, "File name contained embedded NULL");
}
upb_StringView package = UPB_DESC(FileDescriptorProto_package)(file_proto);
if (package.size) {
_upb_DefBuilder_CheckIdentFull(ctx, package);
file->package = strviewdup(ctx, package);
} else {
file->package = NULL;
}
upb_StringView edition = UPB_DESC(FileDescriptorProto_edition)(file_proto);
if (edition.size == 0) {
file->edition = NULL;
} else {
// TODO(b/267770604): How should we validate this?
file->edition = strviewdup(ctx, edition);
if (strlen(file->edition) != edition.size) {
_upb_DefBuilder_Errf(ctx, "Edition name contained embedded NULL");
}
}
if (UPB_DESC(FileDescriptorProto_has_syntax)(file_proto)) {
upb_StringView syntax = UPB_DESC(FileDescriptorProto_syntax)(file_proto);
if (streql_view(syntax, "proto2")) {
file->syntax = kUpb_Syntax_Proto2;
} else if (streql_view(syntax, "proto3")) {
file->syntax = kUpb_Syntax_Proto3;
} else {
_upb_DefBuilder_Errf(ctx, "Invalid syntax '" UPB_STRINGVIEW_FORMAT "'",
UPB_STRINGVIEW_ARGS(syntax));
}
} else {
file->syntax = kUpb_Syntax_Proto2;
}
// Read options.
UPB_DEF_SET_OPTIONS(file->opts, FileDescriptorProto, FileOptions, file_proto);
// Verify dependencies.
strs = UPB_DESC(FileDescriptorProto_dependency)(file_proto, &n);
file->dep_count = n;
file->deps = _upb_DefBuilder_Alloc(ctx, sizeof(*file->deps) * n);
for (size_t i = 0; i < n; i++) {
upb_StringView str = strs[i];
file->deps[i] =
upb_DefPool_FindFileByNameWithSize(ctx->symtab, str.data, str.size);
if (!file->deps[i]) {
_upb_DefBuilder_Errf(ctx,
"Depends on file '" UPB_STRINGVIEW_FORMAT
"', but it has not been loaded",
UPB_STRINGVIEW_ARGS(str));
}
}
public_deps = UPB_DESC(FileDescriptorProto_public_dependency)(file_proto, &n);
file->public_dep_count = n;
file->public_deps =
_upb_DefBuilder_Alloc(ctx, sizeof(*file->public_deps) * n);
int32_t* mutable_public_deps = (int32_t*)file->public_deps;
for (size_t i = 0; i < n; i++) {
if (public_deps[i] >= file->dep_count) {
_upb_DefBuilder_Errf(ctx, "public_dep %d is out of range",
(int)public_deps[i]);
}
mutable_public_deps[i] = public_deps[i];
}
weak_deps = UPB_DESC(FileDescriptorProto_weak_dependency)(file_proto, &n);
file->weak_dep_count = n;
file->weak_deps = _upb_DefBuilder_Alloc(ctx, sizeof(*file->weak_deps) * n);
int32_t* mutable_weak_deps = (int32_t*)file->weak_deps;
for (size_t i = 0; i < n; i++) {
if (weak_deps[i] >= file->dep_count) {
_upb_DefBuilder_Errf(ctx, "weak_dep %d is out of range",
(int)weak_deps[i]);
}
mutable_weak_deps[i] = weak_deps[i];
}
// Create enums.
enums = UPB_DESC(FileDescriptorProto_enum_type)(file_proto, &n);
file->top_lvl_enum_count = n;
file->top_lvl_enums = _upb_EnumDefs_New(ctx, n, enums, NULL);
// Create extensions.
exts = UPB_DESC(FileDescriptorProto_extension)(file_proto, &n);
file->top_lvl_ext_count = n;
file->top_lvl_exts = _upb_Extensions_New(ctx, n, exts, file->package, NULL);
// Create messages.
msgs = UPB_DESC(FileDescriptorProto_message_type)(file_proto, &n);
file->top_lvl_msg_count = n;
file->top_lvl_msgs = _upb_MessageDefs_New(ctx, n, msgs, NULL);
// Create services.
services = UPB_DESC(FileDescriptorProto_service)(file_proto, &n);
file->service_count = n;
file->services = _upb_ServiceDefs_New(ctx, n, services);
// Now that all names are in the table, build layouts and resolve refs.
for (int i = 0; i < file->top_lvl_msg_count; i++) {
upb_MessageDef* m = (upb_MessageDef*)upb_FileDef_TopLevelMessage(file, i);
_upb_MessageDef_Resolve(ctx, m);
}
for (int i = 0; i < file->top_lvl_ext_count; i++) {
upb_FieldDef* f = (upb_FieldDef*)upb_FileDef_TopLevelExtension(file, i);
_upb_FieldDef_Resolve(ctx, file->package, f);
}
for (int i = 0; i < file->top_lvl_msg_count; i++) {
upb_MessageDef* m = (upb_MessageDef*)upb_FileDef_TopLevelMessage(file, i);
_upb_MessageDef_CreateMiniTable(ctx, (upb_MessageDef*)m);
}
for (int i = 0; i < file->top_lvl_ext_count; i++) {
upb_FieldDef* f = (upb_FieldDef*)upb_FileDef_TopLevelExtension(file, i);
_upb_FieldDef_BuildMiniTableExtension(ctx, f);
}
for (int i = 0; i < file->top_lvl_msg_count; i++) {
upb_MessageDef* m = (upb_MessageDef*)upb_FileDef_TopLevelMessage(file, i);
_upb_MessageDef_LinkMiniTable(ctx, m);
}
if (file->ext_count) {
bool ok = upb_ExtensionRegistry_AddArray(
_upb_DefPool_ExtReg(ctx->symtab), file->ext_layouts, file->ext_count);
if (!ok) _upb_DefBuilder_OomErr(ctx);
}
}
#include <string.h>
// Must be last.
bool upb_Message_HasFieldByDef(const upb_Message* msg, const upb_FieldDef* f) {
UPB_ASSERT(upb_FieldDef_HasPresence(f));
return upb_Message_HasField(msg, upb_FieldDef_MiniTable(f));
}
const upb_FieldDef* upb_Message_WhichOneof(const upb_Message* msg,
const upb_OneofDef* o) {
const upb_FieldDef* f = upb_OneofDef_Field(o, 0);
if (upb_OneofDef_IsSynthetic(o)) {
UPB_ASSERT(upb_OneofDef_FieldCount(o) == 1);
return upb_Message_HasFieldByDef(msg, f) ? f : NULL;
} else {
const upb_MiniTableField* field = upb_FieldDef_MiniTable(f);
uint32_t oneof_case = upb_Message_WhichOneofFieldNumber(msg, field);
f = oneof_case ? upb_OneofDef_LookupNumber(o, oneof_case) : NULL;
UPB_ASSERT((f != NULL) == (oneof_case != 0));
return f;
}
}
upb_MessageValue upb_Message_GetFieldByDef(const upb_Message* msg,
const upb_FieldDef* f) {
upb_MessageValue default_val = upb_FieldDef_Default(f);
upb_MessageValue ret;
_upb_Message_GetField(msg, upb_FieldDef_MiniTable(f), &default_val, &ret);
return ret;
}
upb_MutableMessageValue upb_Message_Mutable(upb_Message* msg,
const upb_FieldDef* f,
upb_Arena* a) {
UPB_ASSERT(upb_FieldDef_IsSubMessage(f) || upb_FieldDef_IsRepeated(f));
if (upb_FieldDef_HasPresence(f) && !upb_Message_HasFieldByDef(msg, f)) {
// We need to skip the upb_Message_GetFieldByDef() call in this case.
goto make;
}
upb_MessageValue val = upb_Message_GetFieldByDef(msg, f);
if (val.array_val) {
return (upb_MutableMessageValue){.array = (upb_Array*)val.array_val};
}
upb_MutableMessageValue ret;
make:
if (!a) return (upb_MutableMessageValue){.array = NULL};
if (upb_FieldDef_IsMap(f)) {
const upb_MessageDef* entry = upb_FieldDef_MessageSubDef(f);
const upb_FieldDef* key =
upb_MessageDef_FindFieldByNumber(entry, kUpb_MapEntry_KeyFieldNumber);
const upb_FieldDef* value =
upb_MessageDef_FindFieldByNumber(entry, kUpb_MapEntry_ValueFieldNumber);
ret.map =
upb_Map_New(a, upb_FieldDef_CType(key), upb_FieldDef_CType(value));
} else if (upb_FieldDef_IsRepeated(f)) {
ret.array = upb_Array_New(a, upb_FieldDef_CType(f));
} else {
UPB_ASSERT(upb_FieldDef_IsSubMessage(f));
const upb_MessageDef* m = upb_FieldDef_MessageSubDef(f);
ret.msg = upb_Message_New(upb_MessageDef_MiniTable(m), a);
}
val.array_val = ret.array;
upb_Message_SetFieldByDef(msg, f, val, a);
return ret;
}
bool upb_Message_SetFieldByDef(upb_Message* msg, const upb_FieldDef* f,
upb_MessageValue val, upb_Arena* a) {
return _upb_Message_SetField(msg, upb_FieldDef_MiniTable(f), &val, a);
}
void upb_Message_ClearFieldByDef(upb_Message* msg, const upb_FieldDef* f) {
upb_Message_ClearField(msg, upb_FieldDef_MiniTable(f));
}
void upb_Message_ClearByDef(upb_Message* msg, const upb_MessageDef* m) {
upb_Message_Clear(msg, upb_MessageDef_MiniTable(m));
}
bool upb_Message_Next(const upb_Message* msg, const upb_MessageDef* m,
const upb_DefPool* ext_pool, const upb_FieldDef** out_f,
upb_MessageValue* out_val, size_t* iter) {
size_t i = *iter;
size_t n = upb_MessageDef_FieldCount(m);
UPB_UNUSED(ext_pool);
// Iterate over normal fields, returning the first one that is set.
while (++i < n) {
const upb_FieldDef* f = upb_MessageDef_Field(m, i);
const upb_MiniTableField* field = upb_FieldDef_MiniTable(f);
upb_MessageValue val = upb_Message_GetFieldByDef(msg, f);
// Skip field if unset or empty.
if (upb_MiniTableField_HasPresence(field)) {
if (!upb_Message_HasFieldByDef(msg, f)) continue;
} else {
switch (upb_FieldMode_Get(field)) {
case kUpb_FieldMode_Map:
if (!val.map_val || upb_Map_Size(val.map_val) == 0) continue;
break;
case kUpb_FieldMode_Array:
if (!val.array_val || upb_Array_Size(val.array_val) == 0) continue;
break;
case kUpb_FieldMode_Scalar:
if (!_upb_MiniTable_ValueIsNonZero(&val, field)) continue;
break;
}
}
*out_val = val;
*out_f = f;
*iter = i;
return true;
}
if (ext_pool) {
// Return any extensions that are set.
size_t count;
const upb_Message_Extension* ext = _upb_Message_Getexts(msg, &count);
if (i - n < count) {
ext += count - 1 - (i - n);
memcpy(out_val, &ext->data, sizeof(*out_val));
*out_f = upb_DefPool_FindExtensionByMiniTable(ext_pool, ext->ext);
*iter = i;
return true;
}
}
*iter = i;
return false;
}
bool _upb_Message_DiscardUnknown(upb_Message* msg, const upb_MessageDef* m,
int depth) {
size_t iter = kUpb_Message_Begin;
const upb_FieldDef* f;
upb_MessageValue val;
bool ret = true;
if (--depth == 0) return false;
_upb_Message_DiscardUnknown_shallow(msg);
while (upb_Message_Next(msg, m, NULL /*ext_pool*/, &f, &val, &iter)) {
const upb_MessageDef* subm = upb_FieldDef_MessageSubDef(f);
if (!subm) continue;
if (upb_FieldDef_IsMap(f)) {
const upb_FieldDef* val_f = upb_MessageDef_FindFieldByNumber(subm, 2);
const upb_MessageDef* val_m = upb_FieldDef_MessageSubDef(val_f);
upb_Map* map = (upb_Map*)val.map_val;
size_t iter = kUpb_Map_Begin;
if (!val_m) continue;
upb_MessageValue map_key, map_val;
while (upb_Map_Next(map, &map_key, &map_val, &iter)) {
if (!_upb_Message_DiscardUnknown((upb_Message*)map_val.msg_val, val_m,
depth)) {
ret = false;
}
}
} else if (upb_FieldDef_IsRepeated(f)) {
const upb_Array* arr = val.array_val;
size_t i, n = upb_Array_Size(arr);
for (i = 0; i < n; i++) {
upb_MessageValue elem = upb_Array_Get(arr, i);
if (!_upb_Message_DiscardUnknown((upb_Message*)elem.msg_val, subm,
depth)) {
ret = false;
}
}
} else {
if (!_upb_Message_DiscardUnknown((upb_Message*)val.msg_val, subm,
depth)) {
ret = false;
}
}
}
return ret;
}
bool upb_Message_DiscardUnknown(upb_Message* msg, const upb_MessageDef* m,
int maxdepth) {
return _upb_Message_DiscardUnknown(msg, m, maxdepth);
}
// Must be last.
struct upb_MessageDef {
const UPB_DESC(MessageOptions) * opts;
const upb_MiniTable* layout;
const upb_FileDef* file;
const upb_MessageDef* containing_type;
const char* full_name;
// Tables for looking up fields by number and name.
upb_inttable itof;
upb_strtable ntof;
/* All nested defs.
* MEM: We could save some space here by putting nested defs in a contiguous
* region and calculating counts from offsets or vice-versa. */
const upb_FieldDef* fields;
const upb_OneofDef* oneofs;
const upb_ExtensionRange* ext_ranges;
const upb_StringView* res_names;
const upb_MessageDef* nested_msgs;
const upb_MessageReservedRange* res_ranges;
const upb_EnumDef* nested_enums;
const upb_FieldDef* nested_exts;
// TODO(salo): These counters don't need anywhere near 32 bits.
int field_count;
int real_oneof_count;
int oneof_count;
int ext_range_count;
int res_range_count;
int res_name_count;
int nested_msg_count;
int nested_enum_count;
int nested_ext_count;
bool in_message_set;
bool is_sorted;
upb_WellKnown well_known_type;
#if UINTPTR_MAX == 0xffffffff
uint32_t padding; // Increase size to a multiple of 8.
#endif
};
static void assign_msg_wellknowntype(upb_MessageDef* m) {
const char* name = m->full_name;
if (name == NULL) {
m->well_known_type = kUpb_WellKnown_Unspecified;
return;
}
if (!strcmp(name, "google.protobuf.Any")) {
m->well_known_type = kUpb_WellKnown_Any;
} else if (!strcmp(name, "google.protobuf.FieldMask")) {
m->well_known_type = kUpb_WellKnown_FieldMask;
} else if (!strcmp(name, "google.protobuf.Duration")) {
m->well_known_type = kUpb_WellKnown_Duration;
} else if (!strcmp(name, "google.protobuf.Timestamp")) {
m->well_known_type = kUpb_WellKnown_Timestamp;
} else if (!strcmp(name, "google.protobuf.DoubleValue")) {
m->well_known_type = kUpb_WellKnown_DoubleValue;
} else if (!strcmp(name, "google.protobuf.FloatValue")) {
m->well_known_type = kUpb_WellKnown_FloatValue;
} else if (!strcmp(name, "google.protobuf.Int64Value")) {
m->well_known_type = kUpb_WellKnown_Int64Value;
} else if (!strcmp(name, "google.protobuf.UInt64Value")) {
m->well_known_type = kUpb_WellKnown_UInt64Value;
} else if (!strcmp(name, "google.protobuf.Int32Value")) {
m->well_known_type = kUpb_WellKnown_Int32Value;
} else if (!strcmp(name, "google.protobuf.UInt32Value")) {
m->well_known_type = kUpb_WellKnown_UInt32Value;
} else if (!strcmp(name, "google.protobuf.BoolValue")) {
m->well_known_type = kUpb_WellKnown_BoolValue;
} else if (!strcmp(name, "google.protobuf.StringValue")) {
m->well_known_type = kUpb_WellKnown_StringValue;
} else if (!strcmp(name, "google.protobuf.BytesValue")) {
m->well_known_type = kUpb_WellKnown_BytesValue;
} else if (!strcmp(name, "google.protobuf.Value")) {
m->well_known_type = kUpb_WellKnown_Value;
} else if (!strcmp(name, "google.protobuf.ListValue")) {
m->well_known_type = kUpb_WellKnown_ListValue;
} else if (!strcmp(name, "google.protobuf.Struct")) {
m->well_known_type = kUpb_WellKnown_Struct;
} else {
m->well_known_type = kUpb_WellKnown_Unspecified;
}
}
upb_MessageDef* _upb_MessageDef_At(const upb_MessageDef* m, int i) {
return (upb_MessageDef*)&m[i];
}
bool _upb_MessageDef_IsValidExtensionNumber(const upb_MessageDef* m, int n) {
for (int i = 0; i < m->ext_range_count; i++) {
const upb_ExtensionRange* r = upb_MessageDef_ExtensionRange(m, i);
if (upb_ExtensionRange_Start(r) <= n && n < upb_ExtensionRange_End(r)) {
return true;
}
}
return false;
}
const UPB_DESC(MessageOptions) *
upb_MessageDef_Options(const upb_MessageDef* m) {
return m->opts;
}
bool upb_MessageDef_HasOptions(const upb_MessageDef* m) {
return m->opts != (void*)kUpbDefOptDefault;
}
const char* upb_MessageDef_FullName(const upb_MessageDef* m) {
return m->full_name;
}
const upb_FileDef* upb_MessageDef_File(const upb_MessageDef* m) {
return m->file;
}
const upb_MessageDef* upb_MessageDef_ContainingType(const upb_MessageDef* m) {
return m->containing_type;
}
const char* upb_MessageDef_Name(const upb_MessageDef* m) {
return _upb_DefBuilder_FullToShort(m->full_name);
}
upb_Syntax upb_MessageDef_Syntax(const upb_MessageDef* m) {
return upb_FileDef_Syntax(m->file);
}
const upb_FieldDef* upb_MessageDef_FindFieldByNumber(const upb_MessageDef* m,
uint32_t i) {
upb_value val;
return upb_inttable_lookup(&m->itof, i, &val) ? upb_value_getconstptr(val)
: NULL;
}
const upb_FieldDef* upb_MessageDef_FindFieldByNameWithSize(
const upb_MessageDef* m, const char* name, size_t size) {
upb_value val;
if (!upb_strtable_lookup2(&m->ntof, name, size, &val)) {
return NULL;
}
return _upb_DefType_Unpack(val, UPB_DEFTYPE_FIELD);
}
const upb_OneofDef* upb_MessageDef_FindOneofByNameWithSize(
const upb_MessageDef* m, const char* name, size_t size) {
upb_value val;
if (!upb_strtable_lookup2(&m->ntof, name, size, &val)) {
return NULL;
}
return _upb_DefType_Unpack(val, UPB_DEFTYPE_ONEOF);
}
bool _upb_MessageDef_Insert(upb_MessageDef* m, const char* name, size_t len,
upb_value v, upb_Arena* a) {
return upb_strtable_insert(&m->ntof, name, len, v, a);
}
bool upb_MessageDef_FindByNameWithSize(const upb_MessageDef* m,
const char* name, size_t len,
const upb_FieldDef** out_f,
const upb_OneofDef** out_o) {
upb_value val;
if (!upb_strtable_lookup2(&m->ntof, name, len, &val)) {
return false;
}
const upb_FieldDef* f = _upb_DefType_Unpack(val, UPB_DEFTYPE_FIELD);
const upb_OneofDef* o = _upb_DefType_Unpack(val, UPB_DEFTYPE_ONEOF);
if (out_f) *out_f = f;
if (out_o) *out_o = o;
return f || o; /* False if this was a JSON name. */
}
const upb_FieldDef* upb_MessageDef_FindByJsonNameWithSize(
const upb_MessageDef* m, const char* name, size_t size) {
upb_value val;
const upb_FieldDef* f;
if (!upb_strtable_lookup2(&m->ntof, name, size, &val)) {
return NULL;
}
f = _upb_DefType_Unpack(val, UPB_DEFTYPE_FIELD);
if (!f) f = _upb_DefType_Unpack(val, UPB_DEFTYPE_FIELD_JSONNAME);
return f;
}
int upb_MessageDef_ExtensionRangeCount(const upb_MessageDef* m) {
return m->ext_range_count;
}
int upb_MessageDef_ReservedRangeCount(const upb_MessageDef* m) {
return m->res_range_count;
}
int upb_MessageDef_ReservedNameCount(const upb_MessageDef* m) {
return m->res_name_count;
}
int upb_MessageDef_FieldCount(const upb_MessageDef* m) {
return m->field_count;
}
int upb_MessageDef_OneofCount(const upb_MessageDef* m) {
return m->oneof_count;
}
int upb_MessageDef_RealOneofCount(const upb_MessageDef* m) {
return m->real_oneof_count;
}
int upb_MessageDef_NestedMessageCount(const upb_MessageDef* m) {
return m->nested_msg_count;
}
int upb_MessageDef_NestedEnumCount(const upb_MessageDef* m) {
return m->nested_enum_count;
}
int upb_MessageDef_NestedExtensionCount(const upb_MessageDef* m) {
return m->nested_ext_count;
}
const upb_MiniTable* upb_MessageDef_MiniTable(const upb_MessageDef* m) {
return m->layout;
}
const upb_ExtensionRange* upb_MessageDef_ExtensionRange(const upb_MessageDef* m,
int i) {
UPB_ASSERT(0 <= i && i < m->ext_range_count);
return _upb_ExtensionRange_At(m->ext_ranges, i);
}
const upb_MessageReservedRange* upb_MessageDef_ReservedRange(
const upb_MessageDef* m, int i) {
UPB_ASSERT(0 <= i && i < m->res_range_count);
return _upb_MessageReservedRange_At(m->res_ranges, i);
}
upb_StringView upb_MessageDef_ReservedName(const upb_MessageDef* m, int i) {
UPB_ASSERT(0 <= i && i < m->res_name_count);
return m->res_names[i];
}
const upb_FieldDef* upb_MessageDef_Field(const upb_MessageDef* m, int i) {
UPB_ASSERT(0 <= i && i < m->field_count);
return _upb_FieldDef_At(m->fields, i);
}
const upb_OneofDef* upb_MessageDef_Oneof(const upb_MessageDef* m, int i) {
UPB_ASSERT(0 <= i && i < m->oneof_count);
return _upb_OneofDef_At(m->oneofs, i);
}
const upb_MessageDef* upb_MessageDef_NestedMessage(const upb_MessageDef* m,
int i) {
UPB_ASSERT(0 <= i && i < m->nested_msg_count);
return &m->nested_msgs[i];
}
const upb_EnumDef* upb_MessageDef_NestedEnum(const upb_MessageDef* m, int i) {
UPB_ASSERT(0 <= i && i < m->nested_enum_count);
return _upb_EnumDef_At(m->nested_enums, i);
}
const upb_FieldDef* upb_MessageDef_NestedExtension(const upb_MessageDef* m,
int i) {
UPB_ASSERT(0 <= i && i < m->nested_ext_count);
return _upb_FieldDef_At(m->nested_exts, i);
}
upb_WellKnown upb_MessageDef_WellKnownType(const upb_MessageDef* m) {
return m->well_known_type;
}
bool _upb_MessageDef_InMessageSet(const upb_MessageDef* m) {
return m->in_message_set;
}
const upb_FieldDef* upb_MessageDef_FindFieldByName(const upb_MessageDef* m,
const char* name) {
return upb_MessageDef_FindFieldByNameWithSize(m, name, strlen(name));
}
const upb_OneofDef* upb_MessageDef_FindOneofByName(const upb_MessageDef* m,
const char* name) {
return upb_MessageDef_FindOneofByNameWithSize(m, name, strlen(name));
}
bool upb_MessageDef_IsMapEntry(const upb_MessageDef* m) {
return UPB_DESC(MessageOptions_map_entry)(m->opts);
}
bool upb_MessageDef_IsMessageSet(const upb_MessageDef* m) {
return UPB_DESC(MessageOptions_message_set_wire_format)(m->opts);
}
static upb_MiniTable* _upb_MessageDef_MakeMiniTable(upb_DefBuilder* ctx,
const upb_MessageDef* m) {
upb_StringView desc;
// Note: this will assign layout_index for fields, so upb_FieldDef_MiniTable()
// is safe to call only after this call.
bool ok = upb_MessageDef_MiniDescriptorEncode(m, ctx->tmp_arena, &desc);
if (!ok) _upb_DefBuilder_OomErr(ctx);
void** scratch_data = _upb_DefPool_ScratchData(ctx->symtab);
size_t* scratch_size = _upb_DefPool_ScratchSize(ctx->symtab);
upb_MiniTable* ret = upb_MiniTable_BuildWithBuf(
desc.data, desc.size, ctx->platform, ctx->arena, scratch_data,
scratch_size, ctx->status);
if (!ret) _upb_DefBuilder_FailJmp(ctx);
return ret;
}
void _upb_MessageDef_Resolve(upb_DefBuilder* ctx, upb_MessageDef* m) {
for (int i = 0; i < m->field_count; i++) {
upb_FieldDef* f = (upb_FieldDef*)upb_MessageDef_Field(m, i);
_upb_FieldDef_Resolve(ctx, m->full_name, f);
}
m->in_message_set = false;
for (int i = 0; i < upb_MessageDef_NestedExtensionCount(m); i++) {
upb_FieldDef* ext = (upb_FieldDef*)upb_MessageDef_NestedExtension(m, i);
_upb_FieldDef_Resolve(ctx, m->full_name, ext);
if (upb_FieldDef_Type(ext) == kUpb_FieldType_Message &&
upb_FieldDef_Label(ext) == kUpb_Label_Optional &&
upb_FieldDef_MessageSubDef(ext) == m &&
UPB_DESC(MessageOptions_message_set_wire_format)(
upb_MessageDef_Options(upb_FieldDef_ContainingType(ext)))) {
m->in_message_set = true;
}
}
for (int i = 0; i < upb_MessageDef_NestedMessageCount(m); i++) {
upb_MessageDef* n = (upb_MessageDef*)upb_MessageDef_NestedMessage(m, i);
_upb_MessageDef_Resolve(ctx, n);
}
}
void _upb_MessageDef_InsertField(upb_DefBuilder* ctx, upb_MessageDef* m,
const upb_FieldDef* f) {
const int32_t field_number = upb_FieldDef_Number(f);
if (field_number <= 0 || field_number > kUpb_MaxFieldNumber) {
_upb_DefBuilder_Errf(ctx, "invalid field number (%u)", field_number);
}
const char* json_name = upb_FieldDef_JsonName(f);
const char* shortname = upb_FieldDef_Name(f);
const size_t shortnamelen = strlen(shortname);
upb_value v = upb_value_constptr(f);
upb_value existing_v;
if (upb_strtable_lookup(&m->ntof, shortname, &existing_v)) {
_upb_DefBuilder_Errf(ctx, "duplicate field name (%s)", shortname);
}
const upb_value field_v = _upb_DefType_Pack(f, UPB_DEFTYPE_FIELD);
bool ok =
_upb_MessageDef_Insert(m, shortname, shortnamelen, field_v, ctx->arena);
if (!ok) _upb_DefBuilder_OomErr(ctx);
if (strcmp(shortname, json_name) != 0) {
if (upb_strtable_lookup(&m->ntof, json_name, &v)) {
_upb_DefBuilder_Errf(ctx, "duplicate json_name (%s)", json_name);
}
const size_t json_size = strlen(json_name);
const upb_value json_v = _upb_DefType_Pack(f, UPB_DEFTYPE_FIELD_JSONNAME);
ok = _upb_MessageDef_Insert(m, json_name, json_size, json_v, ctx->arena);
if (!ok) _upb_DefBuilder_OomErr(ctx);
}
if (upb_inttable_lookup(&m->itof, field_number, NULL)) {
_upb_DefBuilder_Errf(ctx, "duplicate field number (%u)", field_number);
}
ok = upb_inttable_insert(&m->itof, field_number, v, ctx->arena);
if (!ok) _upb_DefBuilder_OomErr(ctx);
}
void _upb_MessageDef_CreateMiniTable(upb_DefBuilder* ctx, upb_MessageDef* m) {
if (ctx->layout == NULL) {
m->layout = _upb_MessageDef_MakeMiniTable(ctx, m);
} else {
UPB_ASSERT(ctx->msg_count < ctx->layout->msg_count);
m->layout = ctx->layout->msgs[ctx->msg_count++];
UPB_ASSERT(m->field_count == m->layout->field_count);
// We don't need the result of this call, but it will assign layout_index
// for all the fields in O(n lg n) time.
_upb_FieldDefs_Sorted(m->fields, m->field_count, ctx->tmp_arena);
}
for (int i = 0; i < m->nested_msg_count; i++) {
upb_MessageDef* nested =
(upb_MessageDef*)upb_MessageDef_NestedMessage(m, i);
_upb_MessageDef_CreateMiniTable(ctx, nested);
}
}
void _upb_MessageDef_LinkMiniTable(upb_DefBuilder* ctx,
const upb_MessageDef* m) {
for (int i = 0; i < upb_MessageDef_NestedExtensionCount(m); i++) {
const upb_FieldDef* ext = upb_MessageDef_NestedExtension(m, i);
_upb_FieldDef_BuildMiniTableExtension(ctx, ext);
}
for (int i = 0; i < m->nested_msg_count; i++) {
_upb_MessageDef_LinkMiniTable(ctx, upb_MessageDef_NestedMessage(m, i));
}
if (ctx->layout) return;
for (int i = 0; i < m->field_count; i++) {
const upb_FieldDef* f = upb_MessageDef_Field(m, i);
const upb_MessageDef* sub_m = upb_FieldDef_MessageSubDef(f);
const upb_EnumDef* sub_e = upb_FieldDef_EnumSubDef(f);
const int layout_index = _upb_FieldDef_LayoutIndex(f);
upb_MiniTable* mt = (upb_MiniTable*)upb_MessageDef_MiniTable(m);
UPB_ASSERT(layout_index < m->field_count);
upb_MiniTableField* mt_f =
(upb_MiniTableField*)&m->layout->fields[layout_index];
if (sub_m) {
if (!mt->subs) {
_upb_DefBuilder_Errf(ctx, "unexpected submsg for (%s)", m->full_name);
}
UPB_ASSERT(mt_f);
UPB_ASSERT(sub_m->layout);
if (UPB_UNLIKELY(!upb_MiniTable_SetSubMessage(mt, mt_f, sub_m->layout))) {
_upb_DefBuilder_Errf(ctx, "invalid submsg for (%s)", m->full_name);
}
} else if (_upb_FieldDef_IsClosedEnum(f)) {
const upb_MiniTableEnum* mt_e = _upb_EnumDef_MiniTable(sub_e);
if (UPB_UNLIKELY(!upb_MiniTable_SetSubEnum(mt, mt_f, mt_e))) {
_upb_DefBuilder_Errf(ctx, "invalid subenum for (%s)", m->full_name);
}
}
}
#ifndef NDEBUG
for (int i = 0; i < m->field_count; i++) {
const upb_FieldDef* f = upb_MessageDef_Field(m, i);
const int layout_index = _upb_FieldDef_LayoutIndex(f);
UPB_ASSERT(layout_index < m->layout->field_count);
const upb_MiniTableField* mt_f = &m->layout->fields[layout_index];
UPB_ASSERT(upb_FieldDef_Type(f) == upb_MiniTableField_Type(mt_f));
UPB_ASSERT(upb_FieldDef_CType(f) == upb_MiniTableField_CType(mt_f));
UPB_ASSERT(upb_FieldDef_HasPresence(f) ==
upb_MiniTableField_HasPresence(mt_f));
}
#endif
}
static uint64_t _upb_MessageDef_Modifiers(const upb_MessageDef* m) {
uint64_t out = 0;
if (upb_FileDef_Syntax(m->file) == kUpb_Syntax_Proto3) {
out |= kUpb_MessageModifier_ValidateUtf8;
out |= kUpb_MessageModifier_DefaultIsPacked;
}
if (m->ext_range_count) {
out |= kUpb_MessageModifier_IsExtendable;
}
return out;
}
static bool _upb_MessageDef_EncodeMap(upb_DescState* s, const upb_MessageDef* m,
upb_Arena* a) {
if (m->field_count != 2) return false;
const upb_FieldDef* key_field = upb_MessageDef_Field(m, 0);
const upb_FieldDef* val_field = upb_MessageDef_Field(m, 1);
if (key_field == NULL || val_field == NULL) return false;
UPB_ASSERT(_upb_FieldDef_LayoutIndex(key_field) == 0);
UPB_ASSERT(_upb_FieldDef_LayoutIndex(val_field) == 1);
s->ptr = upb_MtDataEncoder_EncodeMap(
&s->e, s->ptr, upb_FieldDef_Type(key_field), upb_FieldDef_Type(val_field),
_upb_FieldDef_Modifiers(key_field), _upb_FieldDef_Modifiers(val_field));
return true;
}
static bool _upb_MessageDef_EncodeMessage(upb_DescState* s,
const upb_MessageDef* m,
upb_Arena* a) {
const upb_FieldDef** sorted = NULL;
if (!m->is_sorted) {
sorted = _upb_FieldDefs_Sorted(m->fields, m->field_count, a);
if (!sorted) return false;
}
s->ptr = upb_MtDataEncoder_StartMessage(&s->e, s->ptr,
_upb_MessageDef_Modifiers(m));
for (int i = 0; i < m->field_count; i++) {
const upb_FieldDef* f = sorted ? sorted[i] : upb_MessageDef_Field(m, i);
const upb_FieldType type = upb_FieldDef_Type(f);
const int number = upb_FieldDef_Number(f);
const uint64_t modifiers = _upb_FieldDef_Modifiers(f);
if (!_upb_DescState_Grow(s, a)) return false;
s->ptr = upb_MtDataEncoder_PutField(&s->e, s->ptr, type, number, modifiers);
}
for (int i = 0; i < m->real_oneof_count; i++) {
if (!_upb_DescState_Grow(s, a)) return false;
s->ptr = upb_MtDataEncoder_StartOneof(&s->e, s->ptr);
const upb_OneofDef* o = upb_MessageDef_Oneof(m, i);
const int field_count = upb_OneofDef_FieldCount(o);
for (int j = 0; j < field_count; j++) {
const int number = upb_FieldDef_Number(upb_OneofDef_Field(o, j));
if (!_upb_DescState_Grow(s, a)) return false;
s->ptr = upb_MtDataEncoder_PutOneofField(&s->e, s->ptr, number);
}
}
return true;
}
static bool _upb_MessageDef_EncodeMessageSet(upb_DescState* s,
const upb_MessageDef* m,
upb_Arena* a) {
s->ptr = upb_MtDataEncoder_EncodeMessageSet(&s->e, s->ptr);
return true;
}
bool upb_MessageDef_MiniDescriptorEncode(const upb_MessageDef* m, upb_Arena* a,
upb_StringView* out) {
upb_DescState s;
_upb_DescState_Init(&s);
if (!_upb_DescState_Grow(&s, a)) return false;
if (upb_MessageDef_IsMapEntry(m)) {
if (!_upb_MessageDef_EncodeMap(&s, m, a)) return false;
} else if (UPB_DESC(MessageOptions_message_set_wire_format)(m->opts)) {
if (!_upb_MessageDef_EncodeMessageSet(&s, m, a)) return false;
} else {
if (!_upb_MessageDef_EncodeMessage(&s, m, a)) return false;
}
if (!_upb_DescState_Grow(&s, a)) return false;
*s.ptr = '\0';
out->data = s.buf;
out->size = s.ptr - s.buf;
return true;
}
static upb_StringView* _upb_ReservedNames_New(upb_DefBuilder* ctx, int n,
const upb_StringView* protos) {
upb_StringView* sv = _upb_DefBuilder_Alloc(ctx, sizeof(upb_StringView) * n);
for (size_t i = 0; i < n; i++) {
sv[i].data =
upb_strdup2(protos[i].data, protos[i].size, _upb_DefBuilder_Arena(ctx));
sv[i].size = protos[i].size;
}
return sv;
}
static void create_msgdef(upb_DefBuilder* ctx, const char* prefix,
const UPB_DESC(DescriptorProto) * msg_proto,
const upb_MessageDef* containing_type,
upb_MessageDef* m) {
const UPB_DESC(OneofDescriptorProto)* const* oneofs;
const UPB_DESC(FieldDescriptorProto)* const* fields;
const UPB_DESC(DescriptorProto_ExtensionRange)* const* ext_ranges;
const UPB_DESC(DescriptorProto_ReservedRange)* const* res_ranges;
const upb_StringView* res_names;
size_t n_oneof, n_field, n_enum, n_ext, n_msg;
size_t n_ext_range, n_res_range, n_res_name;
upb_StringView name;
// Must happen before _upb_DefBuilder_Add()
m->file = _upb_DefBuilder_File(ctx);
m->containing_type = containing_type;
m->is_sorted = true;
name = UPB_DESC(DescriptorProto_name)(msg_proto);
m->full_name = _upb_DefBuilder_MakeFullName(ctx, prefix, name);
_upb_DefBuilder_Add(ctx, m->full_name, _upb_DefType_Pack(m, UPB_DEFTYPE_MSG));
oneofs = UPB_DESC(DescriptorProto_oneof_decl)(msg_proto, &n_oneof);
fields = UPB_DESC(DescriptorProto_field)(msg_proto, &n_field);
ext_ranges =
UPB_DESC(DescriptorProto_extension_range)(msg_proto, &n_ext_range);
res_ranges =
UPB_DESC(DescriptorProto_reserved_range)(msg_proto, &n_res_range);
res_names = UPB_DESC(DescriptorProto_reserved_name)(msg_proto, &n_res_name);
bool ok = upb_inttable_init(&m->itof, ctx->arena);
if (!ok) _upb_DefBuilder_OomErr(ctx);
ok = upb_strtable_init(&m->ntof, n_oneof + n_field, ctx->arena);
if (!ok) _upb_DefBuilder_OomErr(ctx);
UPB_DEF_SET_OPTIONS(m->opts, DescriptorProto, MessageOptions, msg_proto);
m->oneof_count = n_oneof;
m->oneofs = _upb_OneofDefs_New(ctx, n_oneof, oneofs, m);
m->field_count = n_field;
m->fields =
_upb_FieldDefs_New(ctx, n_field, fields, m->full_name, m, &m->is_sorted);
// Message Sets may not contain fields.
if (UPB_UNLIKELY(UPB_DESC(MessageOptions_message_set_wire_format)(m->opts))) {
if (UPB_UNLIKELY(n_field > 0)) {
_upb_DefBuilder_Errf(ctx, "invalid message set (%s)", m->full_name);
}
}
m->ext_range_count = n_ext_range;
m->ext_ranges = _upb_ExtensionRanges_New(ctx, n_ext_range, ext_ranges, m);
m->res_range_count = n_res_range;
m->res_ranges =
_upb_MessageReservedRanges_New(ctx, n_res_range, res_ranges, m);
m->res_name_count = n_res_name;
m->res_names = _upb_ReservedNames_New(ctx, n_res_name, res_names);
const size_t synthetic_count = _upb_OneofDefs_Finalize(ctx, m);
m->real_oneof_count = m->oneof_count - synthetic_count;
assign_msg_wellknowntype(m);
upb_inttable_compact(&m->itof, ctx->arena);
const UPB_DESC(EnumDescriptorProto)* const* enums =
UPB_DESC(DescriptorProto_enum_type)(msg_proto, &n_enum);
m->nested_enum_count = n_enum;
m->nested_enums = _upb_EnumDefs_New(ctx, n_enum, enums, m);
const UPB_DESC(FieldDescriptorProto)* const* exts =
UPB_DESC(DescriptorProto_extension)(msg_proto, &n_ext);
m->nested_ext_count = n_ext;
m->nested_exts = _upb_Extensions_New(ctx, n_ext, exts, m->full_name, m);
const UPB_DESC(DescriptorProto)* const* msgs =
UPB_DESC(DescriptorProto_nested_type)(msg_proto, &n_msg);
m->nested_msg_count = n_msg;
m->nested_msgs = _upb_MessageDefs_New(ctx, n_msg, msgs, m);
}
// Allocate and initialize an array of |n| message defs.
upb_MessageDef* _upb_MessageDefs_New(
upb_DefBuilder* ctx, int n, const UPB_DESC(DescriptorProto) * const* protos,
const upb_MessageDef* containing_type) {
_upb_DefType_CheckPadding(sizeof(upb_MessageDef));
const char* name = containing_type ? containing_type->full_name
: _upb_FileDef_RawPackage(ctx->file);
upb_MessageDef* m = _upb_DefBuilder_Alloc(ctx, sizeof(upb_MessageDef) * n);
for (int i = 0; i < n; i++) {
create_msgdef(ctx, name, protos[i], containing_type, &m[i]);
}
return m;
}
// Must be last.
struct upb_MessageReservedRange {
int32_t start;
int32_t end;
};
upb_MessageReservedRange* _upb_MessageReservedRange_At(
const upb_MessageReservedRange* r, int i) {
return (upb_MessageReservedRange*)&r[i];
}
int32_t upb_MessageReservedRange_Start(const upb_MessageReservedRange* r) {
return r->start;
}
int32_t upb_MessageReservedRange_End(const upb_MessageReservedRange* r) {
return r->end;
}
upb_MessageReservedRange* _upb_MessageReservedRanges_New(
upb_DefBuilder* ctx, int n,
const UPB_DESC(DescriptorProto_ReservedRange) * const* protos,
const upb_MessageDef* m) {
upb_MessageReservedRange* r =
_upb_DefBuilder_Alloc(ctx, sizeof(upb_MessageReservedRange) * n);
for (int i = 0; i < n; i++) {
const int32_t start =
UPB_DESC(DescriptorProto_ReservedRange_start)(protos[i]);
const int32_t end = UPB_DESC(DescriptorProto_ReservedRange_end)(protos[i]);
const int32_t max = kUpb_MaxFieldNumber + 1;
// A full validation would also check that each range is disjoint, and that
// none of the fields overlap with the extension ranges, but we are just
// sanity checking here.
if (start < 1 || end <= start || end > max) {
_upb_DefBuilder_Errf(ctx,
"Reserved range (%d, %d) is invalid, message=%s\n",
(int)start, (int)end, upb_MessageDef_FullName(m));
}
r[i].start = start;
r[i].end = end;
}
return r;
}
// Must be last.
struct upb_MethodDef {
const UPB_DESC(MethodOptions) * opts;
upb_ServiceDef* service;
const char* full_name;
const upb_MessageDef* input_type;
const upb_MessageDef* output_type;
int index;
bool client_streaming;
bool server_streaming;
};
upb_MethodDef* _upb_MethodDef_At(const upb_MethodDef* m, int i) {
return (upb_MethodDef*)&m[i];
}
const upb_ServiceDef* upb_MethodDef_Service(const upb_MethodDef* m) {
return m->service;
}
const UPB_DESC(MethodOptions) * upb_MethodDef_Options(const upb_MethodDef* m) {
return m->opts;
}
bool upb_MethodDef_HasOptions(const upb_MethodDef* m) {
return m->opts != (void*)kUpbDefOptDefault;
}
const char* upb_MethodDef_FullName(const upb_MethodDef* m) {
return m->full_name;
}
const char* upb_MethodDef_Name(const upb_MethodDef* m) {
return _upb_DefBuilder_FullToShort(m->full_name);
}
int upb_MethodDef_Index(const upb_MethodDef* m) { return m->index; }
const upb_MessageDef* upb_MethodDef_InputType(const upb_MethodDef* m) {
return m->input_type;
}
const upb_MessageDef* upb_MethodDef_OutputType(const upb_MethodDef* m) {
return m->output_type;
}
bool upb_MethodDef_ClientStreaming(const upb_MethodDef* m) {
return m->client_streaming;
}
bool upb_MethodDef_ServerStreaming(const upb_MethodDef* m) {
return m->server_streaming;
}
static void create_method(upb_DefBuilder* ctx,
const UPB_DESC(MethodDescriptorProto) * method_proto,
upb_ServiceDef* s, upb_MethodDef* m) {
upb_StringView name = UPB_DESC(MethodDescriptorProto_name)(method_proto);
m->service = s;
m->full_name =
_upb_DefBuilder_MakeFullName(ctx, upb_ServiceDef_FullName(s), name);
m->client_streaming =
UPB_DESC(MethodDescriptorProto_client_streaming)(method_proto);
m->server_streaming =
UPB_DESC(MethodDescriptorProto_server_streaming)(method_proto);
m->input_type = _upb_DefBuilder_Resolve(
ctx, m->full_name, m->full_name,
UPB_DESC(MethodDescriptorProto_input_type)(method_proto),
UPB_DEFTYPE_MSG);
m->output_type = _upb_DefBuilder_Resolve(
ctx, m->full_name, m->full_name,
UPB_DESC(MethodDescriptorProto_output_type)(method_proto),
UPB_DEFTYPE_MSG);
UPB_DEF_SET_OPTIONS(m->opts, MethodDescriptorProto, MethodOptions,
method_proto);
}
// Allocate and initialize an array of |n| method defs belonging to |s|.
upb_MethodDef* _upb_MethodDefs_New(
upb_DefBuilder* ctx, int n,
const UPB_DESC(MethodDescriptorProto) * const* protos, upb_ServiceDef* s) {
upb_MethodDef* m = _upb_DefBuilder_Alloc(ctx, sizeof(upb_MethodDef) * n);
for (int i = 0; i < n; i++) {
create_method(ctx, protos[i], s, &m[i]);
m[i].index = i;
}
return m;
}
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
// Must be last.
struct upb_OneofDef {
const UPB_DESC(OneofOptions) * opts;
const upb_MessageDef* parent;
const char* full_name;
int field_count;
bool synthetic;
const upb_FieldDef** fields;
upb_strtable ntof; // lookup a field by name
upb_inttable itof; // lookup a field by number (index)
#if UINTPTR_MAX == 0xffffffff
uint32_t padding; // Increase size to a multiple of 8.
#endif
};
upb_OneofDef* _upb_OneofDef_At(const upb_OneofDef* o, int i) {
return (upb_OneofDef*)&o[i];
}
const UPB_DESC(OneofOptions) * upb_OneofDef_Options(const upb_OneofDef* o) {
return o->opts;
}
bool upb_OneofDef_HasOptions(const upb_OneofDef* o) {
return o->opts != (void*)kUpbDefOptDefault;
}
const char* upb_OneofDef_FullName(const upb_OneofDef* o) {
return o->full_name;
}
const char* upb_OneofDef_Name(const upb_OneofDef* o) {
return _upb_DefBuilder_FullToShort(o->full_name);
}
const upb_MessageDef* upb_OneofDef_ContainingType(const upb_OneofDef* o) {
return o->parent;
}
int upb_OneofDef_FieldCount(const upb_OneofDef* o) { return o->field_count; }
const upb_FieldDef* upb_OneofDef_Field(const upb_OneofDef* o, int i) {
UPB_ASSERT(i < o->field_count);
return o->fields[i];
}
int upb_OneofDef_numfields(const upb_OneofDef* o) { return o->field_count; }
uint32_t upb_OneofDef_Index(const upb_OneofDef* o) {
// Compute index in our parent's array.
return o - upb_MessageDef_Oneof(o->parent, 0);
}
bool upb_OneofDef_IsSynthetic(const upb_OneofDef* o) { return o->synthetic; }
const upb_FieldDef* upb_OneofDef_LookupNameWithSize(const upb_OneofDef* o,
const char* name,
size_t size) {
upb_value val;
return upb_strtable_lookup2(&o->ntof, name, size, &val)
? upb_value_getptr(val)
: NULL;
}
const upb_FieldDef* upb_OneofDef_LookupName(const upb_OneofDef* o,
const char* name) {
return upb_OneofDef_LookupNameWithSize(o, name, strlen(name));
}
const upb_FieldDef* upb_OneofDef_LookupNumber(const upb_OneofDef* o,
uint32_t num) {
upb_value val;
return upb_inttable_lookup(&o->itof, num, &val) ? upb_value_getptr(val)
: NULL;
}
void _upb_OneofDef_Insert(upb_DefBuilder* ctx, upb_OneofDef* o,
const upb_FieldDef* f, const char* name,
size_t size) {
o->field_count++;
if (_upb_FieldDef_IsProto3Optional(f)) o->synthetic = true;
const int number = upb_FieldDef_Number(f);
const upb_value v = upb_value_constptr(f);
// TODO(salo): This lookup is unfortunate because we also perform it when
// inserting into the message's table. Unfortunately that step occurs after
// this one and moving things around could be tricky so let's leave it for
// a future refactoring.
const bool number_exists = upb_inttable_lookup(&o->itof, number, NULL);
if (UPB_UNLIKELY(number_exists)) {
_upb_DefBuilder_Errf(ctx, "oneof fields have the same number (%d)", number);
}
// TODO(salo): More redundant work happening here.
const bool name_exists = upb_strtable_lookup2(&o->ntof, name, size, NULL);
if (UPB_UNLIKELY(name_exists)) {
_upb_DefBuilder_Errf(ctx, "oneof fields have the same name (%s)", name);
}
const bool ok = upb_inttable_insert(&o->itof, number, v, ctx->arena) &&
upb_strtable_insert(&o->ntof, name, size, v, ctx->arena);
if (UPB_UNLIKELY(!ok)) {
_upb_DefBuilder_OomErr(ctx);
}
}
// Returns the synthetic count.
size_t _upb_OneofDefs_Finalize(upb_DefBuilder* ctx, upb_MessageDef* m) {
int synthetic_count = 0;
for (int i = 0; i < upb_MessageDef_OneofCount(m); i++) {
upb_OneofDef* o = (upb_OneofDef*)upb_MessageDef_Oneof(m, i);
if (o->synthetic && o->field_count != 1) {
_upb_DefBuilder_Errf(ctx,
"Synthetic oneofs must have one field, not %d: %s",
o->field_count, upb_OneofDef_Name(o));
}
if (o->synthetic) {
synthetic_count++;
} else if (synthetic_count != 0) {
_upb_DefBuilder_Errf(
ctx, "Synthetic oneofs must be after all other oneofs: %s",
upb_OneofDef_Name(o));
}
o->fields =
_upb_DefBuilder_Alloc(ctx, sizeof(upb_FieldDef*) * o->field_count);
o->field_count = 0;
}
for (int i = 0; i < upb_MessageDef_FieldCount(m); i++) {
const upb_FieldDef* f = upb_MessageDef_Field(m, i);
upb_OneofDef* o = (upb_OneofDef*)upb_FieldDef_ContainingOneof(f);
if (o) {
o->fields[o->field_count++] = f;
}
}
return synthetic_count;
}
static void create_oneofdef(upb_DefBuilder* ctx, upb_MessageDef* m,
const UPB_DESC(OneofDescriptorProto) * oneof_proto,
const upb_OneofDef* _o) {
upb_OneofDef* o = (upb_OneofDef*)_o;
upb_StringView name = UPB_DESC(OneofDescriptorProto_name)(oneof_proto);
o->parent = m;
o->full_name =
_upb_DefBuilder_MakeFullName(ctx, upb_MessageDef_FullName(m), name);
o->field_count = 0;
o->synthetic = false;
UPB_DEF_SET_OPTIONS(o->opts, OneofDescriptorProto, OneofOptions, oneof_proto);
if (upb_MessageDef_FindByNameWithSize(m, name.data, name.size, NULL, NULL)) {
_upb_DefBuilder_Errf(ctx, "duplicate oneof name (%s)", o->full_name);
}
upb_value v = _upb_DefType_Pack(o, UPB_DEFTYPE_ONEOF);
bool ok = _upb_MessageDef_Insert(m, name.data, name.size, v, ctx->arena);
if (!ok) _upb_DefBuilder_OomErr(ctx);
ok = upb_inttable_init(&o->itof, ctx->arena);
if (!ok) _upb_DefBuilder_OomErr(ctx);
ok = upb_strtable_init(&o->ntof, 4, ctx->arena);
if (!ok) _upb_DefBuilder_OomErr(ctx);
}
// Allocate and initialize an array of |n| oneof defs.
upb_OneofDef* _upb_OneofDefs_New(
upb_DefBuilder* ctx, int n,
const UPB_DESC(OneofDescriptorProto) * const* protos, upb_MessageDef* m) {
_upb_DefType_CheckPadding(sizeof(upb_OneofDef));
upb_OneofDef* o = _upb_DefBuilder_Alloc(ctx, sizeof(upb_OneofDef) * n);
for (int i = 0; i < n; i++) {
create_oneofdef(ctx, m, protos[i], &o[i]);
}
return o;
}
// Must be last.
struct upb_ServiceDef {
const UPB_DESC(ServiceOptions) * opts;
const upb_FileDef* file;
const char* full_name;
upb_MethodDef* methods;
int method_count;
int index;
};
upb_ServiceDef* _upb_ServiceDef_At(const upb_ServiceDef* s, int index) {
return (upb_ServiceDef*)&s[index];
}
const UPB_DESC(ServiceOptions) *
upb_ServiceDef_Options(const upb_ServiceDef* s) {
return s->opts;
}
bool upb_ServiceDef_HasOptions(const upb_ServiceDef* s) {
return s->opts != (void*)kUpbDefOptDefault;
}
const char* upb_ServiceDef_FullName(const upb_ServiceDef* s) {
return s->full_name;
}
const char* upb_ServiceDef_Name(const upb_ServiceDef* s) {
return _upb_DefBuilder_FullToShort(s->full_name);
}
int upb_ServiceDef_Index(const upb_ServiceDef* s) { return s->index; }
const upb_FileDef* upb_ServiceDef_File(const upb_ServiceDef* s) {
return s->file;
}
int upb_ServiceDef_MethodCount(const upb_ServiceDef* s) {
return s->method_count;
}
const upb_MethodDef* upb_ServiceDef_Method(const upb_ServiceDef* s, int i) {
return (i < 0 || i >= s->method_count) ? NULL
: _upb_MethodDef_At(s->methods, i);
}
const upb_MethodDef* upb_ServiceDef_FindMethodByName(const upb_ServiceDef* s,
const char* name) {
for (int i = 0; i < s->method_count; i++) {
const upb_MethodDef* m = _upb_MethodDef_At(s->methods, i);
if (strcmp(name, upb_MethodDef_Name(m)) == 0) {
return m;
}
}
return NULL;
}
static void create_service(upb_DefBuilder* ctx,
const UPB_DESC(ServiceDescriptorProto) * svc_proto,
upb_ServiceDef* s) {
upb_StringView name;
size_t n;
// Must happen before _upb_DefBuilder_Add()
s->file = _upb_DefBuilder_File(ctx);
name = UPB_DESC(ServiceDescriptorProto_name)(svc_proto);
const char* package = _upb_FileDef_RawPackage(s->file);
s->full_name = _upb_DefBuilder_MakeFullName(ctx, package, name);
_upb_DefBuilder_Add(ctx, s->full_name,
_upb_DefType_Pack(s, UPB_DEFTYPE_SERVICE));
const UPB_DESC(MethodDescriptorProto)* const* methods =
UPB_DESC(ServiceDescriptorProto_method)(svc_proto, &n);
s->method_count = n;
s->methods = _upb_MethodDefs_New(ctx, n, methods, s);
UPB_DEF_SET_OPTIONS(s->opts, ServiceDescriptorProto, ServiceOptions,
svc_proto);
}
upb_ServiceDef* _upb_ServiceDefs_New(
upb_DefBuilder* ctx, int n,
const UPB_DESC(ServiceDescriptorProto) * const* protos) {
_upb_DefType_CheckPadding(sizeof(upb_ServiceDef));
upb_ServiceDef* s = _upb_DefBuilder_Alloc(ctx, sizeof(upb_ServiceDef) * n);
for (int i = 0; i < n; i++) {
create_service(ctx, protos[i], &s[i]);
s[i].index = i;
}
return s;
}
#include <string.h>
// Must be last.
// A few fake field types for our tables.
enum {
kUpb_FakeFieldType_FieldNotFound = 0,
kUpb_FakeFieldType_MessageSetItem = 19,
};
// DecodeOp: an action to be performed for a wire-type/field-type combination.
enum {
// Special ops: we don't write data to regular fields for these.
kUpb_DecodeOp_UnknownField = -1,
kUpb_DecodeOp_MessageSetItem = -2,
// Scalar-only ops.
kUpb_DecodeOp_Scalar1Byte = 0,
kUpb_DecodeOp_Scalar4Byte = 2,
kUpb_DecodeOp_Scalar8Byte = 3,
kUpb_DecodeOp_Enum = 1,
// Scalar/repeated ops.
kUpb_DecodeOp_String = 4,
kUpb_DecodeOp_Bytes = 5,
kUpb_DecodeOp_SubMessage = 6,
// Repeated-only ops (also see macros below).
kUpb_DecodeOp_PackedEnum = 13,
};
// For packed fields it is helpful to be able to recover the lg2 of the data
// size from the op.
#define OP_FIXPCK_LG2(n) (n + 5) /* n in [2, 3] => op in [7, 8] */
#define OP_VARPCK_LG2(n) (n + 9) /* n in [0, 2, 3] => op in [9, 11, 12] */
typedef union {
bool bool_val;
uint32_t uint32_val;
uint64_t uint64_val;
uint32_t size;
} wireval;
static const char* _upb_Decoder_DecodeMessage(upb_Decoder* d, const char* ptr,
upb_Message* msg,
const upb_MiniTable* layout);
UPB_NORETURN static void* _upb_Decoder_ErrorJmp(upb_Decoder* d,
upb_DecodeStatus status) {
assert(status != kUpb_DecodeStatus_Ok);
d->status = status;
UPB_LONGJMP(d->err, 1);
}
const char* _upb_FastDecoder_ErrorJmp(upb_Decoder* d, int status) {
assert(status != kUpb_DecodeStatus_Ok);
d->status = status;
UPB_LONGJMP(d->err, 1);
return NULL;
}
static void _upb_Decoder_VerifyUtf8(upb_Decoder* d, const char* buf, int len) {
if (!_upb_Decoder_VerifyUtf8Inline(buf, len)) {
_upb_Decoder_ErrorJmp(d, kUpb_DecodeStatus_BadUtf8);
}
}
static bool _upb_Decoder_Reserve(upb_Decoder* d, upb_Array* arr, size_t elem) {
bool need_realloc = arr->capacity - arr->size < elem;
if (need_realloc && !_upb_array_realloc(arr, arr->size + elem, &d->arena)) {
_upb_Decoder_ErrorJmp(d, kUpb_DecodeStatus_OutOfMemory);
}
return need_realloc;
}
typedef struct {
const char* ptr;
uint64_t val;
} _upb_DecodeLongVarintReturn;
UPB_NOINLINE
static _upb_DecodeLongVarintReturn _upb_Decoder_DecodeLongVarint(
const char* ptr, uint64_t val) {
_upb_DecodeLongVarintReturn ret = {NULL, 0};
uint64_t byte;
int i;
for (i = 1; i < 10; i++) {
byte = (uint8_t)ptr[i];
val += (byte - 1) << (i * 7);
if (!(byte & 0x80)) {
ret.ptr = ptr + i + 1;
ret.val = val;
return ret;
}
}
return ret;
}
UPB_FORCEINLINE
static const char* _upb_Decoder_DecodeVarint(upb_Decoder* d, const char* ptr,
uint64_t* val) {
uint64_t byte = (uint8_t)*ptr;
if (UPB_LIKELY((byte & 0x80) == 0)) {
*val = byte;
return ptr + 1;
} else {
_upb_DecodeLongVarintReturn res = _upb_Decoder_DecodeLongVarint(ptr, byte);
if (!res.ptr) _upb_Decoder_ErrorJmp(d, kUpb_DecodeStatus_Malformed);
*val = res.val;
return res.ptr;
}
}
UPB_FORCEINLINE
static const char* _upb_Decoder_DecodeTag(upb_Decoder* d, const char* ptr,
uint32_t* val) {
uint64_t byte = (uint8_t)*ptr;
if (UPB_LIKELY((byte & 0x80) == 0)) {
*val = byte;
return ptr + 1;
} else {
const char* start = ptr;
_upb_DecodeLongVarintReturn res = _upb_Decoder_DecodeLongVarint(ptr, byte);
if (!res.ptr || res.ptr - start > 5 || res.val > UINT32_MAX) {
_upb_Decoder_ErrorJmp(d, kUpb_DecodeStatus_Malformed);
}
*val = res.val;
return res.ptr;
}
}
UPB_FORCEINLINE
static const char* upb_Decoder_DecodeSize(upb_Decoder* d, const char* ptr,
uint32_t* size) {
uint64_t size64;
ptr = _upb_Decoder_DecodeVarint(d, ptr, &size64);
if (size64 >= INT32_MAX ||
!upb_EpsCopyInputStream_CheckSize(&d->input, ptr, (int)size64)) {
_upb_Decoder_ErrorJmp(d, kUpb_DecodeStatus_Malformed);
}
*size = size64;
return ptr;
}
static void _upb_Decoder_MungeInt32(wireval* val) {
if (!_upb_IsLittleEndian()) {
/* The next stage will memcpy(dst, &val, 4) */
val->uint32_val = val->uint64_val;
}
}
static void _upb_Decoder_Munge(int type, wireval* val) {
switch (type) {
case kUpb_FieldType_Bool:
val->bool_val = val->uint64_val != 0;
break;
case kUpb_FieldType_SInt32: {
uint32_t n = val->uint64_val;
val->uint32_val = (n >> 1) ^ -(int32_t)(n & 1);
break;
}
case kUpb_FieldType_SInt64: {
uint64_t n = val->uint64_val;
val->uint64_val = (n >> 1) ^ -(int64_t)(n & 1);
break;
}
case kUpb_FieldType_Int32:
case kUpb_FieldType_UInt32:
case kUpb_FieldType_Enum:
_upb_Decoder_MungeInt32(val);
break;
}
}
static upb_Message* _upb_Decoder_NewSubMessage(upb_Decoder* d,
const upb_MiniTableSub* subs,
const upb_MiniTableField* field,
upb_TaggedMessagePtr* target) {
const upb_MiniTable* subl = subs[field->UPB_PRIVATE(submsg_index)].submsg;
UPB_ASSERT(subl);
upb_Message* msg = _upb_Message_New(subl, &d->arena);
if (!msg) _upb_Decoder_ErrorJmp(d, kUpb_DecodeStatus_OutOfMemory);
// Extensions should not be unlinked. A message extension should not be
// registered until its sub-message type is available to be linked.
bool is_empty = subl == &_kUpb_MiniTable_Empty;
bool is_extension = field->mode & kUpb_LabelFlags_IsExtension;
UPB_ASSERT(!(is_empty && is_extension));
if (is_empty && !(d->options & kUpb_DecodeOption_ExperimentalAllowUnlinked)) {
_upb_Decoder_ErrorJmp(d, kUpb_DecodeStatus_UnlinkedSubMessage);
}
upb_TaggedMessagePtr tagged = _upb_TaggedMessagePtr_Pack(msg, is_empty);
memcpy(target, &tagged, sizeof(tagged));
return msg;
}
static upb_Message* _upb_Decoder_ReuseSubMessage(
upb_Decoder* d, const upb_MiniTableSub* subs,
const upb_MiniTableField* field, upb_TaggedMessagePtr* target) {
upb_TaggedMessagePtr tagged = *target;
const upb_MiniTable* subl = subs[field->UPB_PRIVATE(submsg_index)].submsg;
UPB_ASSERT(subl);
if (!upb_TaggedMessagePtr_IsEmpty(tagged) || subl == &_kUpb_MiniTable_Empty) {
return _upb_TaggedMessagePtr_GetMessage(tagged);
}
// We found an empty message from a previous parse that was performed before
// this field was linked. But it is linked now, so we want to allocate a new
// message of the correct type and promote data into it before continuing.
upb_Message* existing = _upb_TaggedMessagePtr_GetEmptyMessage(tagged);
upb_Message* promoted = _upb_Decoder_NewSubMessage(d, subs, field, target);
size_t size;
const char* unknown = upb_Message_GetUnknown(existing, &size);
upb_DecodeStatus status = upb_Decode(unknown, size, promoted, subl, d->extreg,
d->options, &d->arena);
if (status != kUpb_DecodeStatus_Ok) _upb_Decoder_ErrorJmp(d, status);
return promoted;
}
static const char* _upb_Decoder_ReadString(upb_Decoder* d, const char* ptr,
int size, upb_StringView* str) {
const char* str_ptr = ptr;
ptr = upb_EpsCopyInputStream_ReadString(&d->input, &str_ptr, size, &d->arena);
if (!ptr) _upb_Decoder_ErrorJmp(d, kUpb_DecodeStatus_OutOfMemory);
str->data = str_ptr;
str->size = size;
return ptr;
}
UPB_FORCEINLINE
static const char* _upb_Decoder_RecurseSubMessage(upb_Decoder* d,
const char* ptr,
upb_Message* submsg,
const upb_MiniTable* subl,
uint32_t expected_end_group) {
if (--d->depth < 0) {
_upb_Decoder_ErrorJmp(d, kUpb_DecodeStatus_MaxDepthExceeded);
}
ptr = _upb_Decoder_DecodeMessage(d, ptr, submsg, subl);
d->depth++;
if (d->end_group != expected_end_group) {
_upb_Decoder_ErrorJmp(d, kUpb_DecodeStatus_Malformed);
}
return ptr;
}
UPB_FORCEINLINE
static const char* _upb_Decoder_DecodeSubMessage(
upb_Decoder* d, const char* ptr, upb_Message* submsg,
const upb_MiniTableSub* subs, const upb_MiniTableField* field, int size) {
int saved_delta = upb_EpsCopyInputStream_PushLimit(&d->input, ptr, size);
const upb_MiniTable* subl = subs[field->UPB_PRIVATE(submsg_index)].submsg;
UPB_ASSERT(subl);
ptr = _upb_Decoder_RecurseSubMessage(d, ptr, submsg, subl, DECODE_NOGROUP);
upb_EpsCopyInputStream_PopLimit(&d->input, ptr, saved_delta);
return ptr;
}
UPB_FORCEINLINE
static const char* _upb_Decoder_DecodeGroup(upb_Decoder* d, const char* ptr,
upb_Message* submsg,
const upb_MiniTable* subl,
uint32_t number) {
if (_upb_Decoder_IsDone(d, &ptr)) {
_upb_Decoder_ErrorJmp(d, kUpb_DecodeStatus_Malformed);
}
ptr = _upb_Decoder_RecurseSubMessage(d, ptr, submsg, subl, number);
d->end_group = DECODE_NOGROUP;
return ptr;
}
UPB_FORCEINLINE
static const char* _upb_Decoder_DecodeUnknownGroup(upb_Decoder* d,
const char* ptr,
uint32_t number) {
return _upb_Decoder_DecodeGroup(d, ptr, NULL, NULL, number);
}
UPB_FORCEINLINE
static const char* _upb_Decoder_DecodeKnownGroup(
upb_Decoder* d, const char* ptr, upb_Message* submsg,
const upb_MiniTableSub* subs, const upb_MiniTableField* field) {
const upb_MiniTable* subl = subs[field->UPB_PRIVATE(submsg_index)].submsg;
UPB_ASSERT(subl);
return _upb_Decoder_DecodeGroup(d, ptr, submsg, subl, field->number);
}
static char* upb_Decoder_EncodeVarint32(uint32_t val, char* ptr) {
do {
uint8_t byte = val & 0x7fU;
val >>= 7;
if (val) byte |= 0x80U;
*(ptr++) = byte;
} while (val);
return ptr;
}
static void _upb_Decoder_AddUnknownVarints(upb_Decoder* d, upb_Message* msg,
uint32_t val1, uint32_t val2) {
char buf[20];
char* end = buf;
end = upb_Decoder_EncodeVarint32(val1, end);
end = upb_Decoder_EncodeVarint32(val2, end);
if (!_upb_Message_AddUnknown(msg, buf, end - buf, &d->arena)) {
_upb_Decoder_ErrorJmp(d, kUpb_DecodeStatus_OutOfMemory);
}
}
UPB_NOINLINE
static bool _upb_Decoder_CheckEnumSlow(upb_Decoder* d, const char* ptr,
upb_Message* msg,
const upb_MiniTableEnum* e,
const upb_MiniTableField* field,
uint32_t v) {
if (_upb_MiniTable_CheckEnumValueSlow(e, v)) return true;
// Unrecognized enum goes into unknown fields.
// For packed fields the tag could be arbitrarily far in the past, so we
// just re-encode the tag and value here.
uint32_t tag = ((uint32_t)field->number << 3) | kUpb_WireType_Varint;
upb_Message* unknown_msg =
field->mode & kUpb_LabelFlags_IsExtension ? d->unknown_msg : msg;
_upb_Decoder_AddUnknownVarints(d, unknown_msg, tag, v);
return false;
}
UPB_FORCEINLINE
static bool _upb_Decoder_CheckEnum(upb_Decoder* d, const char* ptr,
upb_Message* msg, const upb_MiniTableEnum* e,
const upb_MiniTableField* field,
wireval* val) {
uint32_t v = val->uint32_val;
_kUpb_FastEnumCheck_Status status = _upb_MiniTable_CheckEnumValueFast(e, v);
if (UPB_LIKELY(status == _kUpb_FastEnumCheck_ValueIsInEnum)) return true;
return _upb_Decoder_CheckEnumSlow(d, ptr, msg, e, field, v);
}
UPB_NOINLINE
static const char* _upb_Decoder_DecodeEnumArray(upb_Decoder* d, const char* ptr,
upb_Message* msg,
upb_Array* arr,
const upb_MiniTableSub* subs,
const upb_MiniTableField* field,
wireval* val) {
const upb_MiniTableEnum* e = subs[field->UPB_PRIVATE(submsg_index)].subenum;
if (!_upb_Decoder_CheckEnum(d, ptr, msg, e, field, val)) return ptr;
void* mem = UPB_PTR_AT(_upb_array_ptr(arr), arr->size * 4, void);
arr->size++;
memcpy(mem, val, 4);
return ptr;
}
UPB_FORCEINLINE
static const char* _upb_Decoder_DecodeFixedPacked(
upb_Decoder* d, const char* ptr, upb_Array* arr, wireval* val,
const upb_MiniTableField* field, int lg2) {
int mask = (1 << lg2) - 1;
size_t count = val->size >> lg2;
if ((val->size & mask) != 0) {
// Length isn't a round multiple of elem size.
_upb_Decoder_ErrorJmp(d, kUpb_DecodeStatus_Malformed);
}
_upb_Decoder_Reserve(d, arr, count);
void* mem = UPB_PTR_AT(_upb_array_ptr(arr), arr->size << lg2, void);
arr->size += count;
// Note: if/when the decoder supports multi-buffer input, we will need to
// handle buffer seams here.
if (_upb_IsLittleEndian()) {
ptr = upb_EpsCopyInputStream_Copy(&d->input, ptr, mem, val->size);
} else {
int delta = upb_EpsCopyInputStream_PushLimit(&d->input, ptr, val->size);
char* dst = mem;
while (!_upb_Decoder_IsDone(d, &ptr)) {
if (lg2 == 2) {
ptr = upb_WireReader_ReadFixed32(ptr, dst);
dst += 4;
} else {
UPB_ASSERT(lg2 == 3);
ptr = upb_WireReader_ReadFixed64(ptr, dst);
dst += 8;
}
}
upb_EpsCopyInputStream_PopLimit(&d->input, ptr, delta);
}
return ptr;
}
UPB_FORCEINLINE
static const char* _upb_Decoder_DecodeVarintPacked(
upb_Decoder* d, const char* ptr, upb_Array* arr, wireval* val,
const upb_MiniTableField* field, int lg2) {
int scale = 1 << lg2;
int saved_limit = upb_EpsCopyInputStream_PushLimit(&d->input, ptr, val->size);
char* out = UPB_PTR_AT(_upb_array_ptr(arr), arr->size << lg2, void);
while (!_upb_Decoder_IsDone(d, &ptr)) {
wireval elem;
ptr = _upb_Decoder_DecodeVarint(d, ptr, &elem.uint64_val);
_upb_Decoder_Munge(field->UPB_PRIVATE(descriptortype), &elem);
if (_upb_Decoder_Reserve(d, arr, 1)) {
out = UPB_PTR_AT(_upb_array_ptr(arr), arr->size << lg2, void);
}
arr->size++;
memcpy(out, &elem, scale);
out += scale;
}
upb_EpsCopyInputStream_PopLimit(&d->input, ptr, saved_limit);
return ptr;
}
UPB_NOINLINE
static const char* _upb_Decoder_DecodeEnumPacked(
upb_Decoder* d, const char* ptr, upb_Message* msg, upb_Array* arr,
const upb_MiniTableSub* subs, const upb_MiniTableField* field,
wireval* val) {
const upb_MiniTableEnum* e = subs[field->UPB_PRIVATE(submsg_index)].subenum;
int saved_limit = upb_EpsCopyInputStream_PushLimit(&d->input, ptr, val->size);
char* out = UPB_PTR_AT(_upb_array_ptr(arr), arr->size * 4, void);
while (!_upb_Decoder_IsDone(d, &ptr)) {
wireval elem;
ptr = _upb_Decoder_DecodeVarint(d, ptr, &elem.uint64_val);
_upb_Decoder_MungeInt32(&elem);
if (!_upb_Decoder_CheckEnum(d, ptr, msg, e, field, &elem)) {
continue;
}
if (_upb_Decoder_Reserve(d, arr, 1)) {
out = UPB_PTR_AT(_upb_array_ptr(arr), arr->size * 4, void);
}
arr->size++;
memcpy(out, &elem, 4);
out += 4;
}
upb_EpsCopyInputStream_PopLimit(&d->input, ptr, saved_limit);
return ptr;
}
upb_Array* _upb_Decoder_CreateArray(upb_Decoder* d,
const upb_MiniTableField* field) {
/* Maps descriptor type -> elem_size_lg2. */
static const uint8_t kElemSizeLg2[] = {
[0] = -1, // invalid descriptor type
[kUpb_FieldType_Double] = 3,
[kUpb_FieldType_Float] = 2,
[kUpb_FieldType_Int64] = 3,
[kUpb_FieldType_UInt64] = 3,
[kUpb_FieldType_Int32] = 2,
[kUpb_FieldType_Fixed64] = 3,
[kUpb_FieldType_Fixed32] = 2,
[kUpb_FieldType_Bool] = 0,
[kUpb_FieldType_String] = UPB_SIZE(3, 4),
[kUpb_FieldType_Group] = UPB_SIZE(2, 3),
[kUpb_FieldType_Message] = UPB_SIZE(2, 3),
[kUpb_FieldType_Bytes] = UPB_SIZE(3, 4),
[kUpb_FieldType_UInt32] = 2,
[kUpb_FieldType_Enum] = 2,
[kUpb_FieldType_SFixed32] = 2,
[kUpb_FieldType_SFixed64] = 3,
[kUpb_FieldType_SInt32] = 2,
[kUpb_FieldType_SInt64] = 3,
};
size_t lg2 = kElemSizeLg2[field->UPB_PRIVATE(descriptortype)];
upb_Array* ret = _upb_Array_New(&d->arena, 4, lg2);
if (!ret) _upb_Decoder_ErrorJmp(d, kUpb_DecodeStatus_OutOfMemory);
return ret;
}
static const char* _upb_Decoder_DecodeToArray(upb_Decoder* d, const char* ptr,
upb_Message* msg,
const upb_MiniTableSub* subs,
const upb_MiniTableField* field,
wireval* val, int op) {
upb_Array** arrp = UPB_PTR_AT(msg, field->offset, void);
upb_Array* arr = *arrp;
void* mem;
if (arr) {
_upb_Decoder_Reserve(d, arr, 1);
} else {
arr = _upb_Decoder_CreateArray(d, field);
*arrp = arr;
}
switch (op) {
case kUpb_DecodeOp_Scalar1Byte:
case kUpb_DecodeOp_Scalar4Byte:
case kUpb_DecodeOp_Scalar8Byte:
/* Append scalar value. */
mem = UPB_PTR_AT(_upb_array_ptr(arr), arr->size << op, void);
arr->size++;
memcpy(mem, val, 1 << op);
return ptr;
case kUpb_DecodeOp_String:
_upb_Decoder_VerifyUtf8(d, ptr, val->size);
/* Fallthrough. */
case kUpb_DecodeOp_Bytes: {
/* Append bytes. */
upb_StringView* str = (upb_StringView*)_upb_array_ptr(arr) + arr->size;
arr->size++;
return _upb_Decoder_ReadString(d, ptr, val->size, str);
}
case kUpb_DecodeOp_SubMessage: {
/* Append submessage / group. */
upb_TaggedMessagePtr* target = UPB_PTR_AT(
_upb_array_ptr(arr), arr->size * sizeof(void*), upb_TaggedMessagePtr);
upb_Message* submsg = _upb_Decoder_NewSubMessage(d, subs, field, target);
arr->size++;
if (UPB_UNLIKELY(field->UPB_PRIVATE(descriptortype) ==
kUpb_FieldType_Group)) {
return _upb_Decoder_DecodeKnownGroup(d, ptr, submsg, subs, field);
} else {
return _upb_Decoder_DecodeSubMessage(d, ptr, submsg, subs, field,
val->size);
}
}
case OP_FIXPCK_LG2(2):
case OP_FIXPCK_LG2(3):
return _upb_Decoder_DecodeFixedPacked(d, ptr, arr, val, field,
op - OP_FIXPCK_LG2(0));
case OP_VARPCK_LG2(0):
case OP_VARPCK_LG2(2):
case OP_VARPCK_LG2(3):
return _upb_Decoder_DecodeVarintPacked(d, ptr, arr, val, field,
op - OP_VARPCK_LG2(0));
case kUpb_DecodeOp_Enum:
return _upb_Decoder_DecodeEnumArray(d, ptr, msg, arr, subs, field, val);
case kUpb_DecodeOp_PackedEnum:
return _upb_Decoder_DecodeEnumPacked(d, ptr, msg, arr, subs, field, val);
default:
UPB_UNREACHABLE();
}
}
upb_Map* _upb_Decoder_CreateMap(upb_Decoder* d, const upb_MiniTable* entry) {
/* Maps descriptor type -> upb map size. */
static const uint8_t kSizeInMap[] = {
[0] = -1, // invalid descriptor type */
[kUpb_FieldType_Double] = 8,
[kUpb_FieldType_Float] = 4,
[kUpb_FieldType_Int64] = 8,
[kUpb_FieldType_UInt64] = 8,
[kUpb_FieldType_Int32] = 4,
[kUpb_FieldType_Fixed64] = 8,
[kUpb_FieldType_Fixed32] = 4,
[kUpb_FieldType_Bool] = 1,
[kUpb_FieldType_String] = UPB_MAPTYPE_STRING,
[kUpb_FieldType_Group] = sizeof(void*),
[kUpb_FieldType_Message] = sizeof(void*),
[kUpb_FieldType_Bytes] = UPB_MAPTYPE_STRING,
[kUpb_FieldType_UInt32] = 4,
[kUpb_FieldType_Enum] = 4,
[kUpb_FieldType_SFixed32] = 4,
[kUpb_FieldType_SFixed64] = 8,
[kUpb_FieldType_SInt32] = 4,
[kUpb_FieldType_SInt64] = 8,
};
const upb_MiniTableField* key_field = &entry->fields[0];
const upb_MiniTableField* val_field = &entry->fields[1];
char key_size = kSizeInMap[key_field->UPB_PRIVATE(descriptortype)];
char val_size = kSizeInMap[val_field->UPB_PRIVATE(descriptortype)];
UPB_ASSERT(key_field->offset == offsetof(upb_MapEntryData, k));
UPB_ASSERT(val_field->offset == offsetof(upb_MapEntryData, v));
upb_Map* ret = _upb_Map_New(&d->arena, key_size, val_size);
if (!ret) _upb_Decoder_ErrorJmp(d, kUpb_DecodeStatus_OutOfMemory);
return ret;
}
static const char* _upb_Decoder_DecodeToMap(upb_Decoder* d, const char* ptr,
upb_Message* msg,
const upb_MiniTableSub* subs,
const upb_MiniTableField* field,
wireval* val) {
upb_Map** map_p = UPB_PTR_AT(msg, field->offset, upb_Map*);
upb_Map* map = *map_p;
upb_MapEntry ent;
UPB_ASSERT(upb_MiniTableField_Type(field) == kUpb_FieldType_Message);
const upb_MiniTable* entry = subs[field->UPB_PRIVATE(submsg_index)].submsg;
UPB_ASSERT(entry);
UPB_ASSERT(entry->field_count == 2);
UPB_ASSERT(!upb_IsRepeatedOrMap(&entry->fields[0]));
UPB_ASSERT(!upb_IsRepeatedOrMap(&entry->fields[1]));
if (!map) {
map = _upb_Decoder_CreateMap(d, entry);
*map_p = map;
}
// Parse map entry.
memset(&ent, 0, sizeof(ent));
if (entry->fields[1].UPB_PRIVATE(descriptortype) == kUpb_FieldType_Message ||
entry->fields[1].UPB_PRIVATE(descriptortype) == kUpb_FieldType_Group) {
// Create proactively to handle the case where it doesn't appear.
upb_TaggedMessagePtr msg;
_upb_Decoder_NewSubMessage(d, entry->subs, &entry->fields[1], &msg);
ent.data.v.val = upb_value_uintptr(msg);
}
ptr =
_upb_Decoder_DecodeSubMessage(d, ptr, &ent.data, subs, field, val->size);
// check if ent had any unknown fields
size_t size;
upb_Message_GetUnknown(&ent.data, &size);
if (size != 0) {
char* buf;
size_t size;
uint32_t tag = ((uint32_t)field->number << 3) | kUpb_WireType_Delimited;
upb_EncodeStatus status =
upb_Encode(&ent.data, entry, 0, &d->arena, &buf, &size);
if (status != kUpb_EncodeStatus_Ok) {
_upb_Decoder_ErrorJmp(d, kUpb_DecodeStatus_OutOfMemory);
}
_upb_Decoder_AddUnknownVarints(d, msg, tag, size);
if (!_upb_Message_AddUnknown(msg, buf, size, &d->arena)) {
_upb_Decoder_ErrorJmp(d, kUpb_DecodeStatus_OutOfMemory);
}
} else {
if (_upb_Map_Insert(map, &ent.data.k, map->key_size, &ent.data.v,
map->val_size,
&d->arena) == kUpb_MapInsertStatus_OutOfMemory) {
_upb_Decoder_ErrorJmp(d, kUpb_DecodeStatus_OutOfMemory);
}
}
return ptr;
}
static const char* _upb_Decoder_DecodeToSubMessage(
upb_Decoder* d, const char* ptr, upb_Message* msg,
const upb_MiniTableSub* subs, const upb_MiniTableField* field, wireval* val,
int op) {
void* mem = UPB_PTR_AT(msg, field->offset, void);
int type = field->UPB_PRIVATE(descriptortype);
if (UPB_UNLIKELY(op == kUpb_DecodeOp_Enum) &&
!_upb_Decoder_CheckEnum(d, ptr, msg,
subs[field->UPB_PRIVATE(submsg_index)].subenum,
field, val)) {
return ptr;
}
/* Set presence if necessary. */
if (field->presence > 0) {
_upb_sethas_field(msg, field);
} else if (field->presence < 0) {
/* Oneof case */
uint32_t* oneof_case = _upb_oneofcase_field(msg, field);
if (op == kUpb_DecodeOp_SubMessage && *oneof_case != field->number) {
memset(mem, 0, sizeof(void*));
}
*oneof_case = field->number;
}
/* Store into message. */
switch (op) {
case kUpb_DecodeOp_SubMessage: {
upb_TaggedMessagePtr* submsgp = mem;
upb_Message* submsg;
if (*submsgp) {
submsg = _upb_Decoder_ReuseSubMessage(d, subs, field, submsgp);
} else {
submsg = _upb_Decoder_NewSubMessage(d, subs, field, submsgp);
}
if (UPB_UNLIKELY(type == kUpb_FieldType_Group)) {
ptr = _upb_Decoder_DecodeKnownGroup(d, ptr, submsg, subs, field);
} else {
ptr = _upb_Decoder_DecodeSubMessage(d, ptr, submsg, subs, field,
val->size);
}
break;
}
case kUpb_DecodeOp_String:
_upb_Decoder_VerifyUtf8(d, ptr, val->size);
/* Fallthrough. */
case kUpb_DecodeOp_Bytes:
return _upb_Decoder_ReadString(d, ptr, val->size, mem);
case kUpb_DecodeOp_Scalar8Byte:
memcpy(mem, val, 8);
break;
case kUpb_DecodeOp_Enum:
case kUpb_DecodeOp_Scalar4Byte:
memcpy(mem, val, 4);
break;
case kUpb_DecodeOp_Scalar1Byte:
memcpy(mem, val, 1);
break;
default:
UPB_UNREACHABLE();
}
return ptr;
}
UPB_NOINLINE
const char* _upb_Decoder_CheckRequired(upb_Decoder* d, const char* ptr,
const upb_Message* msg,
const upb_MiniTable* l) {
assert(l->required_count);
if (UPB_LIKELY((d->options & kUpb_DecodeOption_CheckRequired) == 0)) {
return ptr;
}
uint64_t msg_head;
memcpy(&msg_head, msg, 8);
msg_head = _upb_BigEndian_Swap64(msg_head);
if (upb_MiniTable_requiredmask(l) & ~msg_head) {
d->missing_required = true;
}
return ptr;
}
UPB_FORCEINLINE
static bool _upb_Decoder_TryFastDispatch(upb_Decoder* d, const char** ptr,
upb_Message* msg,
const upb_MiniTable* layout) {
#if UPB_FASTTABLE
if (layout && layout->table_mask != (unsigned char)-1) {
uint16_t tag = _upb_FastDecoder_LoadTag(*ptr);
intptr_t table = decode_totable(layout);
*ptr = _upb_FastDecoder_TagDispatch(d, *ptr, msg, table, 0, tag);
return true;
}
#endif
return false;
}
static const char* upb_Decoder_SkipField(upb_Decoder* d, const char* ptr,
uint32_t tag) {
int field_number = tag >> 3;
int wire_type = tag & 7;
switch (wire_type) {
case kUpb_WireType_Varint: {
uint64_t val;
return _upb_Decoder_DecodeVarint(d, ptr, &val);
}
case kUpb_WireType_64Bit:
return ptr + 8;
case kUpb_WireType_32Bit:
return ptr + 4;
case kUpb_WireType_Delimited: {
uint32_t size;
ptr = upb_Decoder_DecodeSize(d, ptr, &size);
return ptr + size;
}
case kUpb_WireType_StartGroup:
return _upb_Decoder_DecodeUnknownGroup(d, ptr, field_number);
default:
_upb_Decoder_ErrorJmp(d, kUpb_DecodeStatus_Malformed);
}
}
enum {
kStartItemTag = ((kUpb_MsgSet_Item << 3) | kUpb_WireType_StartGroup),
kEndItemTag = ((kUpb_MsgSet_Item << 3) | kUpb_WireType_EndGroup),
kTypeIdTag = ((kUpb_MsgSet_TypeId << 3) | kUpb_WireType_Varint),
kMessageTag = ((kUpb_MsgSet_Message << 3) | kUpb_WireType_Delimited),
};
static void upb_Decoder_AddKnownMessageSetItem(
upb_Decoder* d, upb_Message* msg, const upb_MiniTableExtension* item_mt,
const char* data, uint32_t size) {
upb_Message_Extension* ext =
_upb_Message_GetOrCreateExtension(msg, item_mt, &d->arena);
if (UPB_UNLIKELY(!ext)) {
_upb_Decoder_ErrorJmp(d, kUpb_DecodeStatus_OutOfMemory);
}
upb_Message* submsg = _upb_Decoder_NewSubMessage(
d, &ext->ext->sub, &ext->ext->field, (upb_TaggedMessagePtr*)&ext->data);
upb_DecodeStatus status = upb_Decode(data, size, submsg, item_mt->sub.submsg,
d->extreg, d->options, &d->arena);
if (status != kUpb_DecodeStatus_Ok) _upb_Decoder_ErrorJmp(d, status);
}
static void upb_Decoder_AddUnknownMessageSetItem(upb_Decoder* d,
upb_Message* msg,
uint32_t type_id,
const char* message_data,
uint32_t message_size) {
char buf[60];
char* ptr = buf;
ptr = upb_Decoder_EncodeVarint32(kStartItemTag, ptr);
ptr = upb_Decoder_EncodeVarint32(kTypeIdTag, ptr);
ptr = upb_Decoder_EncodeVarint32(type_id, ptr);
ptr = upb_Decoder_EncodeVarint32(kMessageTag, ptr);
ptr = upb_Decoder_EncodeVarint32(message_size, ptr);
char* split = ptr;
ptr = upb_Decoder_EncodeVarint32(kEndItemTag, ptr);
char* end = ptr;
if (!_upb_Message_AddUnknown(msg, buf, split - buf, &d->arena) ||
!_upb_Message_AddUnknown(msg, message_data, message_size, &d->arena) ||
!_upb_Message_AddUnknown(msg, split, end - split, &d->arena)) {
_upb_Decoder_ErrorJmp(d, kUpb_DecodeStatus_OutOfMemory);
}
}
static void upb_Decoder_AddMessageSetItem(upb_Decoder* d, upb_Message* msg,
const upb_MiniTable* t,
uint32_t type_id, const char* data,
uint32_t size) {
const upb_MiniTableExtension* item_mt =
upb_ExtensionRegistry_Lookup(d->extreg, t, type_id);
if (item_mt) {
upb_Decoder_AddKnownMessageSetItem(d, msg, item_mt, data, size);
} else {
upb_Decoder_AddUnknownMessageSetItem(d, msg, type_id, data, size);
}
}
static const char* upb_Decoder_DecodeMessageSetItem(
upb_Decoder* d, const char* ptr, upb_Message* msg,
const upb_MiniTable* layout) {
uint32_t type_id = 0;
upb_StringView preserved = {NULL, 0};
typedef enum {
kUpb_HaveId = 1 << 0,
kUpb_HavePayload = 1 << 1,
} StateMask;
StateMask state_mask = 0;
while (!_upb_Decoder_IsDone(d, &ptr)) {
uint32_t tag;
ptr = _upb_Decoder_DecodeTag(d, ptr, &tag);
switch (tag) {
case kEndItemTag:
return ptr;
case kTypeIdTag: {
uint64_t tmp;
ptr = _upb_Decoder_DecodeVarint(d, ptr, &tmp);
if (state_mask & kUpb_HaveId) break; // Ignore dup.
state_mask |= kUpb_HaveId;
type_id = tmp;
if (state_mask & kUpb_HavePayload) {
upb_Decoder_AddMessageSetItem(d, msg, layout, type_id, preserved.data,
preserved.size);
}
break;
}
case kMessageTag: {
uint32_t size;
ptr = upb_Decoder_DecodeSize(d, ptr, &size);
const char* data = ptr;
ptr += size;
if (state_mask & kUpb_HavePayload) break; // Ignore dup.
state_mask |= kUpb_HavePayload;
if (state_mask & kUpb_HaveId) {
upb_Decoder_AddMessageSetItem(d, msg, layout, type_id, data, size);
} else {
// Out of order, we must preserve the payload.
preserved.data = data;
preserved.size = size;
}
break;
}
default:
// We do not preserve unexpected fields inside a message set item.
ptr = upb_Decoder_SkipField(d, ptr, tag);
break;
}
}
_upb_Decoder_ErrorJmp(d, kUpb_DecodeStatus_Malformed);
}
static const upb_MiniTableField* _upb_Decoder_FindField(upb_Decoder* d,
const upb_MiniTable* t,
uint32_t field_number,
int* last_field_index) {
static upb_MiniTableField none = {
0, 0, 0, 0, kUpb_FakeFieldType_FieldNotFound, 0};
if (t == NULL) return &none;
size_t idx = ((size_t)field_number) - 1; // 0 wraps to SIZE_MAX
if (idx < t->dense_below) {
/* Fastest case: index into dense fields. */
goto found;
}
if (t->dense_below < t->field_count) {
/* Linear search non-dense fields. Resume scanning from last_field_index
* since fields are usually in order. */
size_t last = *last_field_index;
for (idx = last; idx < t->field_count; idx++) {
if (t->fields[idx].number == field_number) {
goto found;
}
}
for (idx = t->dense_below; idx < last; idx++) {
if (t->fields[idx].number == field_number) {
goto found;
}
}
}
if (d->extreg) {
switch (t->ext) {
case kUpb_ExtMode_Extendable: {
const upb_MiniTableExtension* ext =
upb_ExtensionRegistry_Lookup(d->extreg, t, field_number);
if (ext) return &ext->field;
break;
}
case kUpb_ExtMode_IsMessageSet:
if (field_number == kUpb_MsgSet_Item) {
static upb_MiniTableField item = {
0, 0, 0, 0, kUpb_FakeFieldType_MessageSetItem, 0};
return &item;
}
break;
}
}
return &none; /* Unknown field. */
found:
UPB_ASSERT(t->fields[idx].number == field_number);
*last_field_index = idx;
return &t->fields[idx];
}
int _upb_Decoder_GetVarintOp(const upb_MiniTableField* field) {
static const int8_t kVarintOps[] = {
[kUpb_FakeFieldType_FieldNotFound] = kUpb_DecodeOp_UnknownField,
[kUpb_FieldType_Double] = kUpb_DecodeOp_UnknownField,
[kUpb_FieldType_Float] = kUpb_DecodeOp_UnknownField,
[kUpb_FieldType_Int64] = kUpb_DecodeOp_Scalar8Byte,
[kUpb_FieldType_UInt64] = kUpb_DecodeOp_Scalar8Byte,
[kUpb_FieldType_Int32] = kUpb_DecodeOp_Scalar4Byte,
[kUpb_FieldType_Fixed64] = kUpb_DecodeOp_UnknownField,
[kUpb_FieldType_Fixed32] = kUpb_DecodeOp_UnknownField,
[kUpb_FieldType_Bool] = kUpb_DecodeOp_Scalar1Byte,
[kUpb_FieldType_String] = kUpb_DecodeOp_UnknownField,
[kUpb_FieldType_Group] = kUpb_DecodeOp_UnknownField,
[kUpb_FieldType_Message] = kUpb_DecodeOp_UnknownField,
[kUpb_FieldType_Bytes] = kUpb_DecodeOp_UnknownField,
[kUpb_FieldType_UInt32] = kUpb_DecodeOp_Scalar4Byte,
[kUpb_FieldType_Enum] = kUpb_DecodeOp_Enum,
[kUpb_FieldType_SFixed32] = kUpb_DecodeOp_UnknownField,
[kUpb_FieldType_SFixed64] = kUpb_DecodeOp_UnknownField,
[kUpb_FieldType_SInt32] = kUpb_DecodeOp_Scalar4Byte,
[kUpb_FieldType_SInt64] = kUpb_DecodeOp_Scalar8Byte,
[kUpb_FakeFieldType_MessageSetItem] = kUpb_DecodeOp_UnknownField,
};
return kVarintOps[field->UPB_PRIVATE(descriptortype)];
}
UPB_FORCEINLINE
static void _upb_Decoder_CheckUnlinked(upb_Decoder* d, const upb_MiniTable* mt,
const upb_MiniTableField* field,
int* op) {
// If sub-message is not linked, treat as unknown.
if (field->mode & kUpb_LabelFlags_IsExtension) return;
const upb_MiniTableSub* sub = &mt->subs[field->UPB_PRIVATE(submsg_index)];
if ((d->options & kUpb_DecodeOption_ExperimentalAllowUnlinked) ||
sub->submsg != &_kUpb_MiniTable_Empty) {
return;
}
#ifndef NDEBUG
const upb_MiniTableField* oneof = upb_MiniTable_GetOneof(mt, field);
if (oneof) {
// All other members of the oneof must be message fields that are also
// unlinked.
do {
assert(upb_MiniTableField_CType(oneof) == kUpb_CType_Message);
const upb_MiniTableSub* oneof_sub =
&mt->subs[oneof->UPB_PRIVATE(submsg_index)];
assert(!oneof_sub);
} while (upb_MiniTable_NextOneofField(mt, &oneof));
}
#endif // NDEBUG
*op = kUpb_DecodeOp_UnknownField;
}
int _upb_Decoder_GetDelimitedOp(upb_Decoder* d, const upb_MiniTable* mt,
const upb_MiniTableField* field) {
enum { kRepeatedBase = 19 };
static const int8_t kDelimitedOps[] = {
/* For non-repeated field type. */
[kUpb_FakeFieldType_FieldNotFound] =
kUpb_DecodeOp_UnknownField, // Field not found.
[kUpb_FieldType_Double] = kUpb_DecodeOp_UnknownField,
[kUpb_FieldType_Float] = kUpb_DecodeOp_UnknownField,
[kUpb_FieldType_Int64] = kUpb_DecodeOp_UnknownField,
[kUpb_FieldType_UInt64] = kUpb_DecodeOp_UnknownField,
[kUpb_FieldType_Int32] = kUpb_DecodeOp_UnknownField,
[kUpb_FieldType_Fixed64] = kUpb_DecodeOp_UnknownField,
[kUpb_FieldType_Fixed32] = kUpb_DecodeOp_UnknownField,
[kUpb_FieldType_Bool] = kUpb_DecodeOp_UnknownField,
[kUpb_FieldType_String] = kUpb_DecodeOp_String,
[kUpb_FieldType_Group] = kUpb_DecodeOp_UnknownField,
[kUpb_FieldType_Message] = kUpb_DecodeOp_SubMessage,
[kUpb_FieldType_Bytes] = kUpb_DecodeOp_Bytes,
[kUpb_FieldType_UInt32] = kUpb_DecodeOp_UnknownField,
[kUpb_FieldType_Enum] = kUpb_DecodeOp_UnknownField,
[kUpb_FieldType_SFixed32] = kUpb_DecodeOp_UnknownField,
[kUpb_FieldType_SFixed64] = kUpb_DecodeOp_UnknownField,
[kUpb_FieldType_SInt32] = kUpb_DecodeOp_UnknownField,
[kUpb_FieldType_SInt64] = kUpb_DecodeOp_UnknownField,
[kUpb_FakeFieldType_MessageSetItem] = kUpb_DecodeOp_UnknownField,
// For repeated field type. */
[kRepeatedBase + kUpb_FieldType_Double] = OP_FIXPCK_LG2(3),
[kRepeatedBase + kUpb_FieldType_Float] = OP_FIXPCK_LG2(2),
[kRepeatedBase + kUpb_FieldType_Int64] = OP_VARPCK_LG2(3),
[kRepeatedBase + kUpb_FieldType_UInt64] = OP_VARPCK_LG2(3),
[kRepeatedBase + kUpb_FieldType_Int32] = OP_VARPCK_LG2(2),
[kRepeatedBase + kUpb_FieldType_Fixed64] = OP_FIXPCK_LG2(3),
[kRepeatedBase + kUpb_FieldType_Fixed32] = OP_FIXPCK_LG2(2),
[kRepeatedBase + kUpb_FieldType_Bool] = OP_VARPCK_LG2(0),
[kRepeatedBase + kUpb_FieldType_String] = kUpb_DecodeOp_String,
[kRepeatedBase + kUpb_FieldType_Group] = kUpb_DecodeOp_SubMessage,
[kRepeatedBase + kUpb_FieldType_Message] = kUpb_DecodeOp_SubMessage,
[kRepeatedBase + kUpb_FieldType_Bytes] = kUpb_DecodeOp_Bytes,
[kRepeatedBase + kUpb_FieldType_UInt32] = OP_VARPCK_LG2(2),
[kRepeatedBase + kUpb_FieldType_Enum] = kUpb_DecodeOp_PackedEnum,
[kRepeatedBase + kUpb_FieldType_SFixed32] = OP_FIXPCK_LG2(2),
[kRepeatedBase + kUpb_FieldType_SFixed64] = OP_FIXPCK_LG2(3),
[kRepeatedBase + kUpb_FieldType_SInt32] = OP_VARPCK_LG2(2),
[kRepeatedBase + kUpb_FieldType_SInt64] = OP_VARPCK_LG2(3),
// Omitting kUpb_FakeFieldType_MessageSetItem, because we never emit a
// repeated msgset type
};
int ndx = field->UPB_PRIVATE(descriptortype);
if (upb_FieldMode_Get(field) == kUpb_FieldMode_Array) ndx += kRepeatedBase;
int op = kDelimitedOps[ndx];
if (op == kUpb_DecodeOp_SubMessage) {
_upb_Decoder_CheckUnlinked(d, mt, field, &op);
}
return op;
}
UPB_FORCEINLINE
static const char* _upb_Decoder_DecodeWireValue(upb_Decoder* d, const char* ptr,
const upb_MiniTable* mt,
const upb_MiniTableField* field,
int wire_type, wireval* val,
int* op) {
static const unsigned kFixed32OkMask = (1 << kUpb_FieldType_Float) |
(1 << kUpb_FieldType_Fixed32) |
(1 << kUpb_FieldType_SFixed32);
static const unsigned kFixed64OkMask = (1 << kUpb_FieldType_Double) |
(1 << kUpb_FieldType_Fixed64) |
(1 << kUpb_FieldType_SFixed64);
switch (wire_type) {
case kUpb_WireType_Varint:
ptr = _upb_Decoder_DecodeVarint(d, ptr, &val->uint64_val);
*op = _upb_Decoder_GetVarintOp(field);
_upb_Decoder_Munge(field->UPB_PRIVATE(descriptortype), val);
return ptr;
case kUpb_WireType_32Bit:
*op = kUpb_DecodeOp_Scalar4Byte;
if (((1 << field->UPB_PRIVATE(descriptortype)) & kFixed32OkMask) == 0) {
*op = kUpb_DecodeOp_UnknownField;
}
return upb_WireReader_ReadFixed32(ptr, &val->uint32_val);
case kUpb_WireType_64Bit:
*op = kUpb_DecodeOp_Scalar8Byte;
if (((1 << field->UPB_PRIVATE(descriptortype)) & kFixed64OkMask) == 0) {
*op = kUpb_DecodeOp_UnknownField;
}
return upb_WireReader_ReadFixed64(ptr, &val->uint64_val);
case kUpb_WireType_Delimited:
ptr = upb_Decoder_DecodeSize(d, ptr, &val->size);
*op = _upb_Decoder_GetDelimitedOp(d, mt, field);
return ptr;
case kUpb_WireType_StartGroup:
val->uint32_val = field->number;
if (field->UPB_PRIVATE(descriptortype) == kUpb_FieldType_Group) {
*op = kUpb_DecodeOp_SubMessage;
_upb_Decoder_CheckUnlinked(d, mt, field, op);
} else if (field->UPB_PRIVATE(descriptortype) ==
kUpb_FakeFieldType_MessageSetItem) {
*op = kUpb_DecodeOp_MessageSetItem;
} else {
*op = kUpb_DecodeOp_UnknownField;
}
return ptr;
default:
break;
}
_upb_Decoder_ErrorJmp(d, kUpb_DecodeStatus_Malformed);
}
UPB_FORCEINLINE
static const char* _upb_Decoder_DecodeKnownField(
upb_Decoder* d, const char* ptr, upb_Message* msg,
const upb_MiniTable* layout, const upb_MiniTableField* field, int op,
wireval* val) {
const upb_MiniTableSub* subs = layout->subs;
uint8_t mode = field->mode;
if (UPB_UNLIKELY(mode & kUpb_LabelFlags_IsExtension)) {
const upb_MiniTableExtension* ext_layout =
(const upb_MiniTableExtension*)field;
upb_Message_Extension* ext =
_upb_Message_GetOrCreateExtension(msg, ext_layout, &d->arena);
if (UPB_UNLIKELY(!ext)) {
_upb_Decoder_ErrorJmp(d, kUpb_DecodeStatus_OutOfMemory);
}
d->unknown_msg = msg;
msg = &ext->data;
subs = &ext->ext->sub;
}
switch (mode & kUpb_FieldMode_Mask) {
case kUpb_FieldMode_Array:
return _upb_Decoder_DecodeToArray(d, ptr, msg, subs, field, val, op);
case kUpb_FieldMode_Map:
return _upb_Decoder_DecodeToMap(d, ptr, msg, subs, field, val);
case kUpb_FieldMode_Scalar:
return _upb_Decoder_DecodeToSubMessage(d, ptr, msg, subs, field, val, op);
default:
UPB_UNREACHABLE();
}
}
static const char* _upb_Decoder_ReverseSkipVarint(const char* ptr,
uint32_t val) {
uint32_t seen = 0;
do {
ptr--;
seen <<= 7;
seen |= *ptr & 0x7f;
} while (seen != val);
return ptr;
}
static const char* _upb_Decoder_DecodeUnknownField(upb_Decoder* d,
const char* ptr,
upb_Message* msg,
int field_number,
int wire_type, wireval val) {
if (field_number == 0) _upb_Decoder_ErrorJmp(d, kUpb_DecodeStatus_Malformed);
// Since unknown fields are the uncommon case, we do a little extra work here
// to walk backwards through the buffer to find the field start. This frees
// up a register in the fast paths (when the field is known), which leads to
// significant speedups in benchmarks.
const char* start = ptr;
if (wire_type == kUpb_WireType_Delimited) ptr += val.size;
if (msg) {
switch (wire_type) {
case kUpb_WireType_Varint:
case kUpb_WireType_Delimited:
start--;
while (start[-1] & 0x80) start--;
break;
case kUpb_WireType_32Bit:
start -= 4;
break;
case kUpb_WireType_64Bit:
start -= 8;
break;
default:
break;
}
assert(start == d->debug_valstart);
uint32_t tag = ((uint32_t)field_number << 3) | wire_type;
start = _upb_Decoder_ReverseSkipVarint(start, tag);
assert(start == d->debug_tagstart);
if (wire_type == kUpb_WireType_StartGroup) {
d->unknown = start;
d->unknown_msg = msg;
ptr = _upb_Decoder_DecodeUnknownGroup(d, ptr, field_number);
start = d->unknown;
d->unknown = NULL;
}
if (!_upb_Message_AddUnknown(msg, start, ptr - start, &d->arena)) {
_upb_Decoder_ErrorJmp(d, kUpb_DecodeStatus_OutOfMemory);
}
} else if (wire_type == kUpb_WireType_StartGroup) {
ptr = _upb_Decoder_DecodeUnknownGroup(d, ptr, field_number);
}
return ptr;
}
UPB_NOINLINE
static const char* _upb_Decoder_DecodeMessage(upb_Decoder* d, const char* ptr,
upb_Message* msg,
const upb_MiniTable* layout) {
int last_field_index = 0;
#if UPB_FASTTABLE
// The first time we want to skip fast dispatch, because we may have just been
// invoked by the fast parser to handle a case that it bailed on.
if (!_upb_Decoder_IsDone(d, &ptr)) goto nofast;
#endif
while (!_upb_Decoder_IsDone(d, &ptr)) {
uint32_t tag;
const upb_MiniTableField* field;
int field_number;
int wire_type;
wireval val;
int op;
if (_upb_Decoder_TryFastDispatch(d, &ptr, msg, layout)) break;
#if UPB_FASTTABLE
nofast:
#endif
#ifndef NDEBUG
d->debug_tagstart = ptr;
#endif
UPB_ASSERT(ptr < d->input.limit_ptr);
ptr = _upb_Decoder_DecodeTag(d, ptr, &tag);
field_number = tag >> 3;
wire_type = tag & 7;
#ifndef NDEBUG
d->debug_valstart = ptr;
#endif
if (wire_type == kUpb_WireType_EndGroup) {
d->end_group = field_number;
return ptr;
}
field = _upb_Decoder_FindField(d, layout, field_number, &last_field_index);
ptr = _upb_Decoder_DecodeWireValue(d, ptr, layout, field, wire_type, &val,
&op);
if (op >= 0) {
ptr = _upb_Decoder_DecodeKnownField(d, ptr, msg, layout, field, op, &val);
} else {
switch (op) {
case kUpb_DecodeOp_UnknownField:
ptr = _upb_Decoder_DecodeUnknownField(d, ptr, msg, field_number,
wire_type, val);
break;
case kUpb_DecodeOp_MessageSetItem:
ptr = upb_Decoder_DecodeMessageSetItem(d, ptr, msg, layout);
break;
}
}
}
return UPB_UNLIKELY(layout && layout->required_count)
? _upb_Decoder_CheckRequired(d, ptr, msg, layout)
: ptr;
}
const char* _upb_FastDecoder_DecodeGeneric(struct upb_Decoder* d,
const char* ptr, upb_Message* msg,
intptr_t table, uint64_t hasbits,
uint64_t data) {
(void)data;
*(uint32_t*)msg |= hasbits;
return _upb_Decoder_DecodeMessage(d, ptr, msg, decode_totablep(table));
}
static upb_DecodeStatus _upb_Decoder_DecodeTop(struct upb_Decoder* d,
const char* buf, void* msg,
const upb_MiniTable* l) {
if (!_upb_Decoder_TryFastDispatch(d, &buf, msg, l)) {
_upb_Decoder_DecodeMessage(d, buf, msg, l);
}
if (d->end_group != DECODE_NOGROUP) return kUpb_DecodeStatus_Malformed;
if (d->missing_required) return kUpb_DecodeStatus_MissingRequired;
return kUpb_DecodeStatus_Ok;
}
UPB_NOINLINE
const char* _upb_Decoder_IsDoneFallback(upb_EpsCopyInputStream* e,
const char* ptr, int overrun) {
return _upb_EpsCopyInputStream_IsDoneFallbackInline(
e, ptr, overrun, _upb_Decoder_BufferFlipCallback);
}
static upb_DecodeStatus upb_Decoder_Decode(upb_Decoder* const decoder,
const char* const buf,
void* const msg,
const upb_MiniTable* const l,
upb_Arena* const arena) {
if (UPB_SETJMP(decoder->err) == 0) {
decoder->status = _upb_Decoder_DecodeTop(decoder, buf, msg, l);
} else {
UPB_ASSERT(decoder->status != kUpb_DecodeStatus_Ok);
}
_upb_MemBlock* blocks =
upb_Atomic_Load(&decoder->arena.blocks, memory_order_relaxed);
arena->head = decoder->arena.head;
upb_Atomic_Store(&arena->blocks, blocks, memory_order_relaxed);
return decoder->status;
}
upb_DecodeStatus upb_Decode(const char* buf, size_t size, void* msg,
const upb_MiniTable* l,
const upb_ExtensionRegistry* extreg, int options,
upb_Arena* arena) {
upb_Decoder decoder;
unsigned depth = (unsigned)options >> 16;
upb_EpsCopyInputStream_Init(&decoder.input, &buf, size,
options & kUpb_DecodeOption_AliasString);
decoder.extreg = extreg;
decoder.unknown = NULL;
decoder.depth = depth ? depth : kUpb_WireFormat_DefaultDepthLimit;
decoder.end_group = DECODE_NOGROUP;
decoder.options = (uint16_t)options;
decoder.missing_required = false;
decoder.status = kUpb_DecodeStatus_Ok;
// Violating the encapsulation of the arena for performance reasons.
// This is a temporary arena that we swap into and swap out of when we are
// done. The temporary arena only needs to be able to handle allocation,
// not fuse or free, so it does not need many of the members to be initialized
// (particularly parent_or_count).
_upb_MemBlock* blocks = upb_Atomic_Load(&arena->blocks, memory_order_relaxed);
decoder.arena.head = arena->head;
decoder.arena.block_alloc = arena->block_alloc;
upb_Atomic_Init(&decoder.arena.blocks, blocks);
return upb_Decoder_Decode(&decoder, buf, msg, l, arena);
}
#undef OP_FIXPCK_LG2
#undef OP_VARPCK_LG2
// Fast decoder: ~3x the speed of decode.c, but requires x86-64/ARM64.
// Also the table size grows by 2x.
//
// Could potentially be ported to other 64-bit archs that pass at least six
// arguments in registers and have 8 unused high bits in pointers.
//
// The overall design is to create specialized functions for every possible
// field type (eg. oneof boolean field with a 1 byte tag) and then dispatch
// to the specialized function as quickly as possible.
// Must be last.
#if UPB_FASTTABLE
// The standard set of arguments passed to each parsing function.
// Thanks to x86-64 calling conventions, these will stay in registers.
#define UPB_PARSE_PARAMS \
upb_Decoder *d, const char *ptr, upb_Message *msg, intptr_t table, \
uint64_t hasbits, uint64_t data
#define UPB_PARSE_ARGS d, ptr, msg, table, hasbits, data
#define RETURN_GENERIC(m) \
/* Uncomment either of these for debugging purposes. */ \
/* fprintf(stderr, m); */ \
/*__builtin_trap(); */ \
return _upb_FastDecoder_DecodeGeneric(d, ptr, msg, table, hasbits, 0);
typedef enum {
CARD_s = 0, /* Singular (optional, non-repeated) */
CARD_o = 1, /* Oneof */
CARD_r = 2, /* Repeated */
CARD_p = 3 /* Packed Repeated */
} upb_card;
UPB_NOINLINE
static const char* fastdecode_isdonefallback(UPB_PARSE_PARAMS) {
int overrun = data;
ptr = _upb_EpsCopyInputStream_IsDoneFallbackInline(
&d->input, ptr, overrun, _upb_Decoder_BufferFlipCallback);
data = _upb_FastDecoder_LoadTag(ptr);
UPB_MUSTTAIL return _upb_FastDecoder_TagDispatch(UPB_PARSE_ARGS);
}
UPB_FORCEINLINE
static const char* fastdecode_dispatch(UPB_PARSE_PARAMS) {
int overrun;
switch (upb_EpsCopyInputStream_IsDoneStatus(&d->input, ptr, &overrun)) {
case kUpb_IsDoneStatus_Done:
*(uint32_t*)msg |= hasbits; // Sync hasbits.
const upb_MiniTable* l = decode_totablep(table);
return UPB_UNLIKELY(l->required_count)
? _upb_Decoder_CheckRequired(d, ptr, msg, l)
: ptr;
case kUpb_IsDoneStatus_NotDone:
break;
case kUpb_IsDoneStatus_NeedFallback:
data = overrun;
UPB_MUSTTAIL return fastdecode_isdonefallback(UPB_PARSE_ARGS);
}
// Read two bytes of tag data (for a one-byte tag, the high byte is junk).
data = _upb_FastDecoder_LoadTag(ptr);
UPB_MUSTTAIL return _upb_FastDecoder_TagDispatch(UPB_PARSE_ARGS);
}
UPB_FORCEINLINE
static bool fastdecode_checktag(uint16_t data, int tagbytes) {
if (tagbytes == 1) {
return (data & 0xff) == 0;
} else {
return data == 0;
}
}
UPB_FORCEINLINE
static const char* fastdecode_longsize(const char* ptr, int* size) {
int i;
UPB_ASSERT(*size & 0x80);
*size &= 0xff;
for (i = 0; i < 3; i++) {
ptr++;
size_t byte = (uint8_t)ptr[-1];
*size += (byte - 1) << (7 + 7 * i);
if (UPB_LIKELY((byte & 0x80) == 0)) return ptr;
}
ptr++;
size_t byte = (uint8_t)ptr[-1];
// len is limited by 2gb not 4gb, hence 8 and not 16 as normally expected
// for a 32 bit varint.
if (UPB_UNLIKELY(byte >= 8)) return NULL;
*size += (byte - 1) << 28;
return ptr;
}
UPB_FORCEINLINE
static const char* fastdecode_delimited(
upb_Decoder* d, const char* ptr,
upb_EpsCopyInputStream_ParseDelimitedFunc* func, void* ctx) {
ptr++;
// Sign-extend so varint greater than one byte becomes negative, causing
// fast delimited parse to fail.
int len = (int8_t)ptr[-1];
if (!upb_EpsCopyInputStream_TryParseDelimitedFast(&d->input, &ptr, len, func,
ctx)) {
// Slow case: Sub-message is >=128 bytes and/or exceeds the current buffer.
// If it exceeds the buffer limit, limit/limit_ptr will change during
// sub-message parsing, so we need to preserve delta, not limit.
if (UPB_UNLIKELY(len & 0x80)) {
// Size varint >1 byte (length >= 128).
ptr = fastdecode_longsize(ptr, &len);
if (!ptr) {
// Corrupt wire format: size exceeded INT_MAX.
return NULL;
}
}
if (!upb_EpsCopyInputStream_CheckSize(&d->input, ptr, len)) {
// Corrupt wire format: invalid limit.
return NULL;
}
int delta = upb_EpsCopyInputStream_PushLimit(&d->input, ptr, len);
ptr = func(&d->input, ptr, ctx);
upb_EpsCopyInputStream_PopLimit(&d->input, ptr, delta);
}
return ptr;
}
/* singular, oneof, repeated field handling ***********************************/
typedef struct {
upb_Array* arr;
void* end;
} fastdecode_arr;
typedef enum {
FD_NEXT_ATLIMIT,
FD_NEXT_SAMEFIELD,
FD_NEXT_OTHERFIELD
} fastdecode_next;
typedef struct {
void* dst;
fastdecode_next next;
uint32_t tag;
} fastdecode_nextret;
UPB_FORCEINLINE
static void* fastdecode_resizearr(upb_Decoder* d, void* dst,
fastdecode_arr* farr, int valbytes) {
if (UPB_UNLIKELY(dst == farr->end)) {
size_t old_size = farr->arr->capacity;
size_t old_bytes = old_size * valbytes;
size_t new_size = old_size * 2;
size_t new_bytes = new_size * valbytes;
char* old_ptr = _upb_array_ptr(farr->arr);
char* new_ptr = upb_Arena_Realloc(&d->arena, old_ptr, old_bytes, new_bytes);
uint8_t elem_size_lg2 = __builtin_ctz(valbytes);
farr->arr->capacity = new_size;
farr->arr->data = _upb_array_tagptr(new_ptr, elem_size_lg2);
dst = (void*)(new_ptr + (old_size * valbytes));
farr->end = (void*)(new_ptr + (new_size * valbytes));
}
return dst;
}
UPB_FORCEINLINE
static bool fastdecode_tagmatch(uint32_t tag, uint64_t data, int tagbytes) {
if (tagbytes == 1) {
return (uint8_t)tag == (uint8_t)data;
} else {
return (uint16_t)tag == (uint16_t)data;
}
}
UPB_FORCEINLINE
static void fastdecode_commitarr(void* dst, fastdecode_arr* farr,
int valbytes) {
farr->arr->size =
(size_t)((char*)dst - (char*)_upb_array_ptr(farr->arr)) / valbytes;
}
UPB_FORCEINLINE
static fastdecode_nextret fastdecode_nextrepeated(upb_Decoder* d, void* dst,
const char** ptr,
fastdecode_arr* farr,
uint64_t data, int tagbytes,
int valbytes) {
fastdecode_nextret ret;
dst = (char*)dst + valbytes;
if (UPB_LIKELY(!_upb_Decoder_IsDone(d, ptr))) {
ret.tag = _upb_FastDecoder_LoadTag(*ptr);
if (fastdecode_tagmatch(ret.tag, data, tagbytes)) {
ret.next = FD_NEXT_SAMEFIELD;
} else {
fastdecode_commitarr(dst, farr, valbytes);
ret.next = FD_NEXT_OTHERFIELD;
}
} else {
fastdecode_commitarr(dst, farr, valbytes);
ret.next = FD_NEXT_ATLIMIT;
}
ret.dst = dst;
return ret;
}
UPB_FORCEINLINE
static void* fastdecode_fieldmem(upb_Message* msg, uint64_t data) {
size_t ofs = data >> 48;
return (char*)msg + ofs;
}
UPB_FORCEINLINE
static void* fastdecode_getfield(upb_Decoder* d, const char* ptr,
upb_Message* msg, uint64_t* data,
uint64_t* hasbits, fastdecode_arr* farr,
int valbytes, upb_card card) {
switch (card) {
case CARD_s: {
uint8_t hasbit_index = *data >> 24;
// Set hasbit and return pointer to scalar field.
*hasbits |= 1ull << hasbit_index;
return fastdecode_fieldmem(msg, *data);
}
case CARD_o: {
uint16_t case_ofs = *data >> 32;
uint32_t* oneof_case = UPB_PTR_AT(msg, case_ofs, uint32_t);
uint8_t field_number = *data >> 24;
*oneof_case = field_number;
return fastdecode_fieldmem(msg, *data);
}
case CARD_r: {
// Get pointer to upb_Array and allocate/expand if necessary.
uint8_t elem_size_lg2 = __builtin_ctz(valbytes);
upb_Array** arr_p = fastdecode_fieldmem(msg, *data);
char* begin;
*(uint32_t*)msg |= *hasbits;
*hasbits = 0;
if (UPB_LIKELY(!*arr_p)) {
farr->arr = _upb_Array_New(&d->arena, 8, elem_size_lg2);
*arr_p = farr->arr;
} else {
farr->arr = *arr_p;
}
begin = _upb_array_ptr(farr->arr);
farr->end = begin + (farr->arr->capacity * valbytes);
*data = _upb_FastDecoder_LoadTag(ptr);
return begin + (farr->arr->size * valbytes);
}
default:
UPB_UNREACHABLE();
}
}
UPB_FORCEINLINE
static bool fastdecode_flippacked(uint64_t* data, int tagbytes) {
*data ^= (0x2 ^ 0x0); // Patch data to match packed wiretype.
return fastdecode_checktag(*data, tagbytes);
}
#define FASTDECODE_CHECKPACKED(tagbytes, card, func) \
if (UPB_UNLIKELY(!fastdecode_checktag(data, tagbytes))) { \
if (card == CARD_r && fastdecode_flippacked(&data, tagbytes)) { \
UPB_MUSTTAIL return func(UPB_PARSE_ARGS); \
} \
RETURN_GENERIC("packed check tag mismatch\n"); \
}
/* varint fields **************************************************************/
UPB_FORCEINLINE
static uint64_t fastdecode_munge(uint64_t val, int valbytes, bool zigzag) {
if (valbytes == 1) {
return val != 0;
} else if (zigzag) {
if (valbytes == 4) {
uint32_t n = val;
return (n >> 1) ^ -(int32_t)(n & 1);
} else if (valbytes == 8) {
return (val >> 1) ^ -(int64_t)(val & 1);
}
UPB_UNREACHABLE();
}
return val;
}
UPB_FORCEINLINE
static const char* fastdecode_varint64(const char* ptr, uint64_t* val) {
ptr++;
*val = (uint8_t)ptr[-1];
if (UPB_UNLIKELY(*val & 0x80)) {
int i;
for (i = 0; i < 8; i++) {
ptr++;
uint64_t byte = (uint8_t)ptr[-1];
*val += (byte - 1) << (7 + 7 * i);
if (UPB_LIKELY((byte & 0x80) == 0)) goto done;
}
ptr++;
uint64_t byte = (uint8_t)ptr[-1];
if (byte > 1) {
return NULL;
}
*val += (byte - 1) << 63;
}
done:
UPB_ASSUME(ptr != NULL);
return ptr;
}
#define FASTDECODE_UNPACKEDVARINT(d, ptr, msg, table, hasbits, data, tagbytes, \
valbytes, card, zigzag, packed) \
uint64_t val; \
void* dst; \
fastdecode_arr farr; \
\
FASTDECODE_CHECKPACKED(tagbytes, card, packed); \
\
dst = fastdecode_getfield(d, ptr, msg, &data, &hasbits, &farr, valbytes, \
card); \
if (card == CARD_r) { \
if (UPB_UNLIKELY(!dst)) { \
RETURN_GENERIC("need array resize\n"); \
} \
} \
\
again: \
if (card == CARD_r) { \
dst = fastdecode_resizearr(d, dst, &farr, valbytes); \
} \
\
ptr += tagbytes; \
ptr = fastdecode_varint64(ptr, &val); \
if (ptr == NULL) _upb_FastDecoder_ErrorJmp(d, kUpb_DecodeStatus_Malformed); \
val = fastdecode_munge(val, valbytes, zigzag); \
memcpy(dst, &val, valbytes); \
\
if (card == CARD_r) { \
fastdecode_nextret ret = fastdecode_nextrepeated( \
d, dst, &ptr, &farr, data, tagbytes, valbytes); \
switch (ret.next) { \
case FD_NEXT_SAMEFIELD: \
dst = ret.dst; \
goto again; \
case FD_NEXT_OTHERFIELD: \
data = ret.tag; \
UPB_MUSTTAIL return _upb_FastDecoder_TagDispatch(UPB_PARSE_ARGS); \
case FD_NEXT_ATLIMIT: \
return ptr; \
} \
} \
\
UPB_MUSTTAIL return fastdecode_dispatch(UPB_PARSE_ARGS);
typedef struct {
uint8_t valbytes;
bool zigzag;
void* dst;
fastdecode_arr farr;
} fastdecode_varintdata;
UPB_FORCEINLINE
static const char* fastdecode_topackedvarint(upb_EpsCopyInputStream* e,
const char* ptr, void* ctx) {
upb_Decoder* d = (upb_Decoder*)e;
fastdecode_varintdata* data = ctx;
void* dst = data->dst;
uint64_t val;
while (!_upb_Decoder_IsDone(d, &ptr)) {
dst = fastdecode_resizearr(d, dst, &data->farr, data->valbytes);
ptr = fastdecode_varint64(ptr, &val);
if (ptr == NULL) return NULL;
val = fastdecode_munge(val, data->valbytes, data->zigzag);
memcpy(dst, &val, data->valbytes);
dst = (char*)dst + data->valbytes;
}
fastdecode_commitarr(dst, &data->farr, data->valbytes);
return ptr;
}
#define FASTDECODE_PACKEDVARINT(d, ptr, msg, table, hasbits, data, tagbytes, \
valbytes, zigzag, unpacked) \
fastdecode_varintdata ctx = {valbytes, zigzag}; \
\
FASTDECODE_CHECKPACKED(tagbytes, CARD_r, unpacked); \
\
ctx.dst = fastdecode_getfield(d, ptr, msg, &data, &hasbits, &ctx.farr, \
valbytes, CARD_r); \
if (UPB_UNLIKELY(!ctx.dst)) { \
RETURN_GENERIC("need array resize\n"); \
} \
\
ptr += tagbytes; \
ptr = fastdecode_delimited(d, ptr, &fastdecode_topackedvarint, &ctx); \
\
if (UPB_UNLIKELY(ptr == NULL)) { \
_upb_FastDecoder_ErrorJmp(d, kUpb_DecodeStatus_Malformed); \
} \
\
UPB_MUSTTAIL return fastdecode_dispatch(d, ptr, msg, table, hasbits, 0);
#define FASTDECODE_VARINT(d, ptr, msg, table, hasbits, data, tagbytes, \
valbytes, card, zigzag, unpacked, packed) \
if (card == CARD_p) { \
FASTDECODE_PACKEDVARINT(d, ptr, msg, table, hasbits, data, tagbytes, \
valbytes, zigzag, unpacked); \
} else { \
FASTDECODE_UNPACKEDVARINT(d, ptr, msg, table, hasbits, data, tagbytes, \
valbytes, card, zigzag, packed); \
}
#define z_ZZ true
#define b_ZZ false
#define v_ZZ false
/* Generate all combinations:
* {s,o,r,p} x {b1,v4,z4,v8,z8} x {1bt,2bt} */
#define F(card, type, valbytes, tagbytes) \
UPB_NOINLINE \
const char* upb_p##card##type##valbytes##_##tagbytes##bt(UPB_PARSE_PARAMS) { \
FASTDECODE_VARINT(d, ptr, msg, table, hasbits, data, tagbytes, valbytes, \
CARD_##card, type##_ZZ, \
upb_pr##type##valbytes##_##tagbytes##bt, \
upb_pp##type##valbytes##_##tagbytes##bt); \
}
#define TYPES(card, tagbytes) \
F(card, b, 1, tagbytes) \
F(card, v, 4, tagbytes) \
F(card, v, 8, tagbytes) \
F(card, z, 4, tagbytes) \
F(card, z, 8, tagbytes)
#define TAGBYTES(card) \
TYPES(card, 1) \
TYPES(card, 2)
TAGBYTES(s)
TAGBYTES(o)
TAGBYTES(r)
TAGBYTES(p)
#undef z_ZZ
#undef b_ZZ
#undef v_ZZ
#undef o_ONEOF
#undef s_ONEOF
#undef r_ONEOF
#undef F
#undef TYPES
#undef TAGBYTES
#undef FASTDECODE_UNPACKEDVARINT
#undef FASTDECODE_PACKEDVARINT
#undef FASTDECODE_VARINT
/* fixed fields ***************************************************************/
#define FASTDECODE_UNPACKEDFIXED(d, ptr, msg, table, hasbits, data, tagbytes, \
valbytes, card, packed) \
void* dst; \
fastdecode_arr farr; \
\
FASTDECODE_CHECKPACKED(tagbytes, card, packed) \
\
dst = fastdecode_getfield(d, ptr, msg, &data, &hasbits, &farr, valbytes, \
card); \
if (card == CARD_r) { \
if (UPB_UNLIKELY(!dst)) { \
RETURN_GENERIC("couldn't allocate array in arena\n"); \
} \
} \
\
again: \
if (card == CARD_r) { \
dst = fastdecode_resizearr(d, dst, &farr, valbytes); \
} \
\
ptr += tagbytes; \
memcpy(dst, ptr, valbytes); \
ptr += valbytes; \
\
if (card == CARD_r) { \
fastdecode_nextret ret = fastdecode_nextrepeated( \
d, dst, &ptr, &farr, data, tagbytes, valbytes); \
switch (ret.next) { \
case FD_NEXT_SAMEFIELD: \
dst = ret.dst; \
goto again; \
case FD_NEXT_OTHERFIELD: \
data = ret.tag; \
UPB_MUSTTAIL return _upb_FastDecoder_TagDispatch(UPB_PARSE_ARGS); \
case FD_NEXT_ATLIMIT: \
return ptr; \
} \
} \
\
UPB_MUSTTAIL return fastdecode_dispatch(UPB_PARSE_ARGS);
#define FASTDECODE_PACKEDFIXED(d, ptr, msg, table, hasbits, data, tagbytes, \
valbytes, unpacked) \
FASTDECODE_CHECKPACKED(tagbytes, CARD_r, unpacked) \
\
ptr += tagbytes; \
int size = (uint8_t)ptr[0]; \
ptr++; \
if (size & 0x80) { \
ptr = fastdecode_longsize(ptr, &size); \
} \
\
if (UPB_UNLIKELY(!upb_EpsCopyInputStream_CheckDataSizeAvailable( \
&d->input, ptr, size) || \
(size % valbytes) != 0)) { \
_upb_FastDecoder_ErrorJmp(d, kUpb_DecodeStatus_Malformed); \
} \
\
upb_Array** arr_p = fastdecode_fieldmem(msg, data); \
upb_Array* arr = *arr_p; \
uint8_t elem_size_lg2 = __builtin_ctz(valbytes); \
int elems = size / valbytes; \
\
if (UPB_LIKELY(!arr)) { \
*arr_p = arr = _upb_Array_New(&d->arena, elems, elem_size_lg2); \
if (!arr) { \
_upb_FastDecoder_ErrorJmp(d, kUpb_DecodeStatus_Malformed); \
} \
} else { \
_upb_Array_ResizeUninitialized(arr, elems, &d->arena); \
} \
\
char* dst = _upb_array_ptr(arr); \
memcpy(dst, ptr, size); \
arr->size = elems; \
\
ptr += size; \
UPB_MUSTTAIL return fastdecode_dispatch(UPB_PARSE_ARGS);
#define FASTDECODE_FIXED(d, ptr, msg, table, hasbits, data, tagbytes, \
valbytes, card, unpacked, packed) \
if (card == CARD_p) { \
FASTDECODE_PACKEDFIXED(d, ptr, msg, table, hasbits, data, tagbytes, \
valbytes, unpacked); \
} else { \
FASTDECODE_UNPACKEDFIXED(d, ptr, msg, table, hasbits, data, tagbytes, \
valbytes, card, packed); \
}
/* Generate all combinations:
* {s,o,r,p} x {f4,f8} x {1bt,2bt} */
#define F(card, valbytes, tagbytes) \
UPB_NOINLINE \
const char* upb_p##card##f##valbytes##_##tagbytes##bt(UPB_PARSE_PARAMS) { \
FASTDECODE_FIXED(d, ptr, msg, table, hasbits, data, tagbytes, valbytes, \
CARD_##card, upb_ppf##valbytes##_##tagbytes##bt, \
upb_prf##valbytes##_##tagbytes##bt); \
}
#define TYPES(card, tagbytes) \
F(card, 4, tagbytes) \
F(card, 8, tagbytes)
#define TAGBYTES(card) \
TYPES(card, 1) \
TYPES(card, 2)
TAGBYTES(s)
TAGBYTES(o)
TAGBYTES(r)
TAGBYTES(p)
#undef F
#undef TYPES
#undef TAGBYTES
#undef FASTDECODE_UNPACKEDFIXED
#undef FASTDECODE_PACKEDFIXED
/* string fields **************************************************************/
typedef const char* fastdecode_copystr_func(struct upb_Decoder* d,
const char* ptr, upb_Message* msg,
const upb_MiniTable* table,
uint64_t hasbits,
upb_StringView* dst);
UPB_NOINLINE
static const char* fastdecode_verifyutf8(upb_Decoder* d, const char* ptr,
upb_Message* msg, intptr_t table,
uint64_t hasbits, uint64_t data) {
upb_StringView* dst = (upb_StringView*)data;
if (!_upb_Decoder_VerifyUtf8Inline(dst->data, dst->size)) {
_upb_FastDecoder_ErrorJmp(d, kUpb_DecodeStatus_BadUtf8);
}
UPB_MUSTTAIL return fastdecode_dispatch(UPB_PARSE_ARGS);
}
#define FASTDECODE_LONGSTRING(d, ptr, msg, table, hasbits, dst, validate_utf8) \
int size = (uint8_t)ptr[0]; /* Could plumb through hasbits. */ \
ptr++; \
if (size & 0x80) { \
ptr = fastdecode_longsize(ptr, &size); \
} \
\
if (UPB_UNLIKELY(!upb_EpsCopyInputStream_CheckSize(&d->input, ptr, size))) { \
dst->size = 0; \
_upb_FastDecoder_ErrorJmp(d, kUpb_DecodeStatus_Malformed); \
} \
\
const char* s_ptr = ptr; \
ptr = upb_EpsCopyInputStream_ReadString(&d->input, &s_ptr, size, &d->arena); \
if (!ptr) _upb_FastDecoder_ErrorJmp(d, kUpb_DecodeStatus_OutOfMemory); \
dst->data = s_ptr; \
dst->size = size; \
\
if (validate_utf8) { \
data = (uint64_t)dst; \
UPB_MUSTTAIL return fastdecode_verifyutf8(UPB_PARSE_ARGS); \
} else { \
UPB_MUSTTAIL return fastdecode_dispatch(UPB_PARSE_ARGS); \
}
UPB_NOINLINE
static const char* fastdecode_longstring_utf8(struct upb_Decoder* d,
const char* ptr, upb_Message* msg,
intptr_t table, uint64_t hasbits,
uint64_t data) {
upb_StringView* dst = (upb_StringView*)data;
FASTDECODE_LONGSTRING(d, ptr, msg, table, hasbits, dst, true);
}
UPB_NOINLINE
static const char* fastdecode_longstring_noutf8(
struct upb_Decoder* d, const char* ptr, upb_Message* msg, intptr_t table,
uint64_t hasbits, uint64_t data) {
upb_StringView* dst = (upb_StringView*)data;
FASTDECODE_LONGSTRING(d, ptr, msg, table, hasbits, dst, false);
}
UPB_FORCEINLINE
static void fastdecode_docopy(upb_Decoder* d, const char* ptr, uint32_t size,
int copy, char* data, upb_StringView* dst) {
d->arena.head.ptr += copy;
dst->data = data;
UPB_UNPOISON_MEMORY_REGION(data, copy);
memcpy(data, ptr, copy);
UPB_POISON_MEMORY_REGION(data + size, copy - size);
}
#define FASTDECODE_COPYSTRING(d, ptr, msg, table, hasbits, data, tagbytes, \
card, validate_utf8) \
upb_StringView* dst; \
fastdecode_arr farr; \
int64_t size; \
size_t arena_has; \
size_t common_has; \
char* buf; \
\
UPB_ASSERT(!upb_EpsCopyInputStream_AliasingAvailable(&d->input, ptr, 0)); \
UPB_ASSERT(fastdecode_checktag(data, tagbytes)); \
\
dst = fastdecode_getfield(d, ptr, msg, &data, &hasbits, &farr, \
sizeof(upb_StringView), card); \
\
again: \
if (card == CARD_r) { \
dst = fastdecode_resizearr(d, dst, &farr, sizeof(upb_StringView)); \
} \
\
size = (uint8_t)ptr[tagbytes]; \
ptr += tagbytes + 1; \
dst->size = size; \
\
buf = d->arena.head.ptr; \
arena_has = _upb_ArenaHas(&d->arena); \
common_has = UPB_MIN(arena_has, \
upb_EpsCopyInputStream_BytesAvailable(&d->input, ptr)); \
\
if (UPB_LIKELY(size <= 15 - tagbytes)) { \
if (arena_has < 16) goto longstr; \
d->arena.head.ptr += 16; \
memcpy(buf, ptr - tagbytes - 1, 16); \
dst->data = buf + tagbytes + 1; \
} else if (UPB_LIKELY(size <= 32)) { \
if (UPB_UNLIKELY(common_has < 32)) goto longstr; \
fastdecode_docopy(d, ptr, size, 32, buf, dst); \
} else if (UPB_LIKELY(size <= 64)) { \
if (UPB_UNLIKELY(common_has < 64)) goto longstr; \
fastdecode_docopy(d, ptr, size, 64, buf, dst); \
} else if (UPB_LIKELY(size < 128)) { \
if (UPB_UNLIKELY(common_has < 128)) goto longstr; \
fastdecode_docopy(d, ptr, size, 128, buf, dst); \
} else { \
goto longstr; \
} \
\
ptr += size; \
\
if (card == CARD_r) { \
if (validate_utf8 && \
!_upb_Decoder_VerifyUtf8Inline(dst->data, dst->size)) { \
_upb_FastDecoder_ErrorJmp(d, kUpb_DecodeStatus_BadUtf8); \
} \
fastdecode_nextret ret = fastdecode_nextrepeated( \
d, dst, &ptr, &farr, data, tagbytes, sizeof(upb_StringView)); \
switch (ret.next) { \
case FD_NEXT_SAMEFIELD: \
dst = ret.dst; \
goto again; \
case FD_NEXT_OTHERFIELD: \
data = ret.tag; \
UPB_MUSTTAIL return _upb_FastDecoder_TagDispatch(UPB_PARSE_ARGS); \
case FD_NEXT_ATLIMIT: \
return ptr; \
} \
} \
\
if (card != CARD_r && validate_utf8) { \
data = (uint64_t)dst; \
UPB_MUSTTAIL return fastdecode_verifyutf8(UPB_PARSE_ARGS); \
} \
\
UPB_MUSTTAIL return fastdecode_dispatch(UPB_PARSE_ARGS); \
\
longstr: \
if (card == CARD_r) { \
fastdecode_commitarr(dst + 1, &farr, sizeof(upb_StringView)); \
} \
ptr--; \
if (validate_utf8) { \
UPB_MUSTTAIL return fastdecode_longstring_utf8(d, ptr, msg, table, \
hasbits, (uint64_t)dst); \
} else { \
UPB_MUSTTAIL return fastdecode_longstring_noutf8(d, ptr, msg, table, \
hasbits, (uint64_t)dst); \
}
#define FASTDECODE_STRING(d, ptr, msg, table, hasbits, data, tagbytes, card, \
copyfunc, validate_utf8) \
upb_StringView* dst; \
fastdecode_arr farr; \
int64_t size; \
\
if (UPB_UNLIKELY(!fastdecode_checktag(data, tagbytes))) { \
RETURN_GENERIC("string field tag mismatch\n"); \
} \
\
if (UPB_UNLIKELY( \
!upb_EpsCopyInputStream_AliasingAvailable(&d->input, ptr, 0))) { \
UPB_MUSTTAIL return copyfunc(UPB_PARSE_ARGS); \
} \
\
dst = fastdecode_getfield(d, ptr, msg, &data, &hasbits, &farr, \
sizeof(upb_StringView), card); \
\
again: \
if (card == CARD_r) { \
dst = fastdecode_resizearr(d, dst, &farr, sizeof(upb_StringView)); \
} \
\
size = (int8_t)ptr[tagbytes]; \
ptr += tagbytes + 1; \
\
if (UPB_UNLIKELY( \
!upb_EpsCopyInputStream_AliasingAvailable(&d->input, ptr, size))) { \
ptr--; \
if (validate_utf8) { \
return fastdecode_longstring_utf8(d, ptr, msg, table, hasbits, \
(uint64_t)dst); \
} else { \
return fastdecode_longstring_noutf8(d, ptr, msg, table, hasbits, \
(uint64_t)dst); \
} \
} \
\
dst->data = ptr; \
dst->size = size; \
ptr = upb_EpsCopyInputStream_ReadStringAliased(&d->input, &dst->data, \
dst->size); \
\
if (card == CARD_r) { \
if (validate_utf8 && \
!_upb_Decoder_VerifyUtf8Inline(dst->data, dst->size)) { \
_upb_FastDecoder_ErrorJmp(d, kUpb_DecodeStatus_BadUtf8); \
} \
fastdecode_nextret ret = fastdecode_nextrepeated( \
d, dst, &ptr, &farr, data, tagbytes, sizeof(upb_StringView)); \
switch (ret.next) { \
case FD_NEXT_SAMEFIELD: \
dst = ret.dst; \
goto again; \
case FD_NEXT_OTHERFIELD: \
data = ret.tag; \
UPB_MUSTTAIL return _upb_FastDecoder_TagDispatch(UPB_PARSE_ARGS); \
case FD_NEXT_ATLIMIT: \
return ptr; \
} \
} \
\
if (card != CARD_r && validate_utf8) { \
data = (uint64_t)dst; \
UPB_MUSTTAIL return fastdecode_verifyutf8(UPB_PARSE_ARGS); \
} \
\
UPB_MUSTTAIL return fastdecode_dispatch(UPB_PARSE_ARGS);
/* Generate all combinations:
* {p,c} x {s,o,r} x {s, b} x {1bt,2bt} */
#define s_VALIDATE true
#define b_VALIDATE false
#define F(card, tagbytes, type) \
UPB_NOINLINE \
const char* upb_c##card##type##_##tagbytes##bt(UPB_PARSE_PARAMS) { \
FASTDECODE_COPYSTRING(d, ptr, msg, table, hasbits, data, tagbytes, \
CARD_##card, type##_VALIDATE); \
} \
const char* upb_p##card##type##_##tagbytes##bt(UPB_PARSE_PARAMS) { \
FASTDECODE_STRING(d, ptr, msg, table, hasbits, data, tagbytes, \
CARD_##card, upb_c##card##type##_##tagbytes##bt, \
type##_VALIDATE); \
}
#define UTF8(card, tagbytes) \
F(card, tagbytes, s) \
F(card, tagbytes, b)
#define TAGBYTES(card) \
UTF8(card, 1) \
UTF8(card, 2)
TAGBYTES(s)
TAGBYTES(o)
TAGBYTES(r)
#undef s_VALIDATE
#undef b_VALIDATE
#undef F
#undef TAGBYTES
#undef FASTDECODE_LONGSTRING
#undef FASTDECODE_COPYSTRING
#undef FASTDECODE_STRING
/* message fields *************************************************************/
UPB_INLINE
upb_Message* decode_newmsg_ceil(upb_Decoder* d, const upb_MiniTable* l,
int msg_ceil_bytes) {
size_t size = l->size + sizeof(upb_Message_Internal);
char* msg_data;
if (UPB_LIKELY(msg_ceil_bytes > 0 &&
_upb_ArenaHas(&d->arena) >= msg_ceil_bytes)) {
UPB_ASSERT(size <= (size_t)msg_ceil_bytes);
msg_data = d->arena.head.ptr;
d->arena.head.ptr += size;
UPB_UNPOISON_MEMORY_REGION(msg_data, msg_ceil_bytes);
memset(msg_data, 0, msg_ceil_bytes);
UPB_POISON_MEMORY_REGION(msg_data + size, msg_ceil_bytes - size);
} else {
msg_data = (char*)upb_Arena_Malloc(&d->arena, size);
memset(msg_data, 0, size);
}
return msg_data + sizeof(upb_Message_Internal);
}
typedef struct {
intptr_t table;
upb_Message* msg;
} fastdecode_submsgdata;
UPB_FORCEINLINE
static const char* fastdecode_tosubmsg(upb_EpsCopyInputStream* e,
const char* ptr, void* ctx) {
upb_Decoder* d = (upb_Decoder*)e;
fastdecode_submsgdata* submsg = ctx;
ptr = fastdecode_dispatch(d, ptr, submsg->msg, submsg->table, 0, 0);
UPB_ASSUME(ptr != NULL);
return ptr;
}
#define FASTDECODE_SUBMSG(d, ptr, msg, table, hasbits, data, tagbytes, \
msg_ceil_bytes, card) \
\
if (UPB_UNLIKELY(!fastdecode_checktag(data, tagbytes))) { \
RETURN_GENERIC("submessage field tag mismatch\n"); \
} \
\
if (--d->depth == 0) { \
_upb_FastDecoder_ErrorJmp(d, kUpb_DecodeStatus_MaxDepthExceeded); \
} \
\
upb_Message** dst; \
uint32_t submsg_idx = (data >> 16) & 0xff; \
const upb_MiniTable* tablep = decode_totablep(table); \
const upb_MiniTable* subtablep = tablep->subs[submsg_idx].submsg; \
fastdecode_submsgdata submsg = {decode_totable(subtablep)}; \
fastdecode_arr farr; \
\
if (subtablep->table_mask == (uint8_t)-1) { \
RETURN_GENERIC("submessage doesn't have fast tables."); \
} \
\
dst = fastdecode_getfield(d, ptr, msg, &data, &hasbits, &farr, \
sizeof(upb_Message*), card); \
\
if (card == CARD_s) { \
*(uint32_t*)msg |= hasbits; \
hasbits = 0; \
} \
\
again: \
if (card == CARD_r) { \
dst = fastdecode_resizearr(d, dst, &farr, sizeof(upb_Message*)); \
} \
\
submsg.msg = *dst; \
\
if (card == CARD_r || UPB_LIKELY(!submsg.msg)) { \
*dst = submsg.msg = decode_newmsg_ceil(d, subtablep, msg_ceil_bytes); \
} \
\
ptr += tagbytes; \
ptr = fastdecode_delimited(d, ptr, fastdecode_tosubmsg, &submsg); \
\
if (UPB_UNLIKELY(ptr == NULL || d->end_group != DECODE_NOGROUP)) { \
_upb_FastDecoder_ErrorJmp(d, kUpb_DecodeStatus_Malformed); \
} \
\
if (card == CARD_r) { \
fastdecode_nextret ret = fastdecode_nextrepeated( \
d, dst, &ptr, &farr, data, tagbytes, sizeof(upb_Message*)); \
switch (ret.next) { \
case FD_NEXT_SAMEFIELD: \
dst = ret.dst; \
goto again; \
case FD_NEXT_OTHERFIELD: \
d->depth++; \
data = ret.tag; \
UPB_MUSTTAIL return _upb_FastDecoder_TagDispatch(UPB_PARSE_ARGS); \
case FD_NEXT_ATLIMIT: \
d->depth++; \
return ptr; \
} \
} \
\
d->depth++; \
UPB_MUSTTAIL return fastdecode_dispatch(UPB_PARSE_ARGS);
#define F(card, tagbytes, size_ceil, ceil_arg) \
const char* upb_p##card##m_##tagbytes##bt_max##size_ceil##b( \
UPB_PARSE_PARAMS) { \
FASTDECODE_SUBMSG(d, ptr, msg, table, hasbits, data, tagbytes, ceil_arg, \
CARD_##card); \
}
#define SIZES(card, tagbytes) \
F(card, tagbytes, 64, 64) \
F(card, tagbytes, 128, 128) \
F(card, tagbytes, 192, 192) \
F(card, tagbytes, 256, 256) \
F(card, tagbytes, max, -1)
#define TAGBYTES(card) \
SIZES(card, 1) \
SIZES(card, 2)
TAGBYTES(s)
TAGBYTES(o)
TAGBYTES(r)
#undef TAGBYTES
#undef SIZES
#undef F
#undef FASTDECODE_SUBMSG
#endif /* UPB_FASTTABLE */
// We encode backwards, to avoid pre-computing lengths (one-pass encode).
#include <string.h>
// Must be last.
#define UPB_PB_VARINT_MAX_LEN 10
UPB_NOINLINE
static size_t encode_varint64(uint64_t val, char* buf) {
size_t i = 0;
do {
uint8_t byte = val & 0x7fU;
val >>= 7;
if (val) byte |= 0x80U;
buf[i++] = byte;
} while (val);
return i;
}
static uint32_t encode_zz32(int32_t n) {
return ((uint32_t)n << 1) ^ (n >> 31);
}
static uint64_t encode_zz64(int64_t n) {
return ((uint64_t)n << 1) ^ (n >> 63);
}
typedef struct {
upb_EncodeStatus status;
jmp_buf err;
upb_Arena* arena;
char *buf, *ptr, *limit;
int options;
int depth;
_upb_mapsorter sorter;
} upb_encstate;
static size_t upb_roundup_pow2(size_t bytes) {
size_t ret = 128;
while (ret < bytes) {
ret *= 2;
}
return ret;
}
UPB_NORETURN static void encode_err(upb_encstate* e, upb_EncodeStatus s) {
UPB_ASSERT(s != kUpb_EncodeStatus_Ok);
e->status = s;
UPB_LONGJMP(e->err, 1);
}
UPB_NOINLINE
static void encode_growbuffer(upb_encstate* e, size_t bytes) {
size_t old_size = e->limit - e->buf;
size_t new_size = upb_roundup_pow2(bytes + (e->limit - e->ptr));
char* new_buf = upb_Arena_Realloc(e->arena, e->buf, old_size, new_size);
if (!new_buf) encode_err(e, kUpb_EncodeStatus_OutOfMemory);
// We want previous data at the end, realloc() put it at the beginning.
// TODO(salo): This is somewhat inefficient since we are copying twice.
// Maybe create a realloc() that copies to the end of the new buffer?
if (old_size > 0) {
memmove(new_buf + new_size - old_size, e->buf, old_size);
}
e->ptr = new_buf + new_size - (e->limit - e->ptr);
e->limit = new_buf + new_size;
e->buf = new_buf;
e->ptr -= bytes;
}
/* Call to ensure that at least "bytes" bytes are available for writing at
* e->ptr. Returns false if the bytes could not be allocated. */
UPB_FORCEINLINE
static void encode_reserve(upb_encstate* e, size_t bytes) {
if ((size_t)(e->ptr - e->buf) < bytes) {
encode_growbuffer(e, bytes);
return;
}
e->ptr -= bytes;
}
/* Writes the given bytes to the buffer, handling reserve/advance. */
static void encode_bytes(upb_encstate* e, const void* data, size_t len) {
if (len == 0) return; /* memcpy() with zero size is UB */
encode_reserve(e, len);
memcpy(e->ptr, data, len);
}
static void encode_fixed64(upb_encstate* e, uint64_t val) {
val = _upb_BigEndian_Swap64(val);
encode_bytes(e, &val, sizeof(uint64_t));
}
static void encode_fixed32(upb_encstate* e, uint32_t val) {
val = _upb_BigEndian_Swap32(val);
encode_bytes(e, &val, sizeof(uint32_t));
}
UPB_NOINLINE
static void encode_longvarint(upb_encstate* e, uint64_t val) {
size_t len;
char* start;
encode_reserve(e, UPB_PB_VARINT_MAX_LEN);
len = encode_varint64(val, e->ptr);
start = e->ptr + UPB_PB_VARINT_MAX_LEN - len;
memmove(start, e->ptr, len);
e->ptr = start;
}
UPB_FORCEINLINE
static void encode_varint(upb_encstate* e, uint64_t val) {
if (val < 128 && e->ptr != e->buf) {
--e->ptr;
*e->ptr = val;
} else {
encode_longvarint(e, val);
}
}
static void encode_double(upb_encstate* e, double d) {
uint64_t u64;
UPB_ASSERT(sizeof(double) == sizeof(uint64_t));
memcpy(&u64, &d, sizeof(uint64_t));
encode_fixed64(e, u64);
}
static void encode_float(upb_encstate* e, float d) {
uint32_t u32;
UPB_ASSERT(sizeof(float) == sizeof(uint32_t));
memcpy(&u32, &d, sizeof(uint32_t));
encode_fixed32(e, u32);
}
static void encode_tag(upb_encstate* e, uint32_t field_number,
uint8_t wire_type) {
encode_varint(e, (field_number << 3) | wire_type);
}
static void encode_fixedarray(upb_encstate* e, const upb_Array* arr,
size_t elem_size, uint32_t tag) {
size_t bytes = arr->size * elem_size;
const char* data = _upb_array_constptr(arr);
const char* ptr = data + bytes - elem_size;
if (tag || !_upb_IsLittleEndian()) {
while (true) {
if (elem_size == 4) {
uint32_t val;
memcpy(&val, ptr, sizeof(val));
val = _upb_BigEndian_Swap32(val);
encode_bytes(e, &val, elem_size);
} else {
UPB_ASSERT(elem_size == 8);
uint64_t val;
memcpy(&val, ptr, sizeof(val));
val = _upb_BigEndian_Swap64(val);
encode_bytes(e, &val, elem_size);
}
if (tag) encode_varint(e, tag);
if (ptr == data) break;
ptr -= elem_size;
}
} else {
encode_bytes(e, data, bytes);
}
}
static void encode_message(upb_encstate* e, const upb_Message* msg,
const upb_MiniTable* m, size_t* size);
static void encode_TaggedMessagePtr(upb_encstate* e,
upb_TaggedMessagePtr tagged,
const upb_MiniTable* m, size_t* size) {
if (upb_TaggedMessagePtr_IsEmpty(tagged)) {
m = &_kUpb_MiniTable_Empty;
}
encode_message(e, _upb_TaggedMessagePtr_GetMessage(tagged), m, size);
}
static void encode_scalar(upb_encstate* e, const void* _field_mem,
const upb_MiniTableSub* subs,
const upb_MiniTableField* f) {
const char* field_mem = _field_mem;
int wire_type;
#define CASE(ctype, type, wtype, encodeval) \
{ \
ctype val = *(ctype*)field_mem; \
encode_##type(e, encodeval); \
wire_type = wtype; \
break; \
}
switch (f->UPB_PRIVATE(descriptortype)) {
case kUpb_FieldType_Double:
CASE(double, double, kUpb_WireType_64Bit, val);
case kUpb_FieldType_Float:
CASE(float, float, kUpb_WireType_32Bit, val);
case kUpb_FieldType_Int64:
case kUpb_FieldType_UInt64:
CASE(uint64_t, varint, kUpb_WireType_Varint, val);
case kUpb_FieldType_UInt32:
CASE(uint32_t, varint, kUpb_WireType_Varint, val);
case kUpb_FieldType_Int32:
case kUpb_FieldType_Enum:
CASE(int32_t, varint, kUpb_WireType_Varint, (int64_t)val);
case kUpb_FieldType_SFixed64:
case kUpb_FieldType_Fixed64:
CASE(uint64_t, fixed64, kUpb_WireType_64Bit, val);
case kUpb_FieldType_Fixed32:
case kUpb_FieldType_SFixed32:
CASE(uint32_t, fixed32, kUpb_WireType_32Bit, val);
case kUpb_FieldType_Bool:
CASE(bool, varint, kUpb_WireType_Varint, val);
case kUpb_FieldType_SInt32:
CASE(int32_t, varint, kUpb_WireType_Varint, encode_zz32(val));
case kUpb_FieldType_SInt64:
CASE(int64_t, varint, kUpb_WireType_Varint, encode_zz64(val));
case kUpb_FieldType_String:
case kUpb_FieldType_Bytes: {
upb_StringView view = *(upb_StringView*)field_mem;
encode_bytes(e, view.data, view.size);
encode_varint(e, view.size);
wire_type = kUpb_WireType_Delimited;
break;
}
case kUpb_FieldType_Group: {
size_t size;
upb_TaggedMessagePtr submsg = *(upb_TaggedMessagePtr*)field_mem;
const upb_MiniTable* subm = subs[f->UPB_PRIVATE(submsg_index)].submsg;
if (submsg == 0) {
return;
}
if (--e->depth == 0) encode_err(e, kUpb_EncodeStatus_MaxDepthExceeded);
encode_tag(e, f->number, kUpb_WireType_EndGroup);
encode_TaggedMessagePtr(e, submsg, subm, &size);
wire_type = kUpb_WireType_StartGroup;
e->depth++;
break;
}
case kUpb_FieldType_Message: {
size_t size;
upb_TaggedMessagePtr submsg = *(upb_TaggedMessagePtr*)field_mem;
const upb_MiniTable* subm = subs[f->UPB_PRIVATE(submsg_index)].submsg;
if (submsg == 0) {
return;
}
if (--e->depth == 0) encode_err(e, kUpb_EncodeStatus_MaxDepthExceeded);
encode_TaggedMessagePtr(e, submsg, subm, &size);
encode_varint(e, size);
wire_type = kUpb_WireType_Delimited;
e->depth++;
break;
}
default:
UPB_UNREACHABLE();
}
#undef CASE
encode_tag(e, f->number, wire_type);
}
static void encode_array(upb_encstate* e, const upb_Message* msg,
const upb_MiniTableSub* subs,
const upb_MiniTableField* f) {
const upb_Array* arr = *UPB_PTR_AT(msg, f->offset, upb_Array*);
bool packed = f->mode & kUpb_LabelFlags_IsPacked;
size_t pre_len = e->limit - e->ptr;
if (arr == NULL || arr->size == 0) {
return;
}
#define VARINT_CASE(ctype, encode) \
{ \
const ctype* start = _upb_array_constptr(arr); \
const ctype* ptr = start + arr->size; \
uint32_t tag = packed ? 0 : (f->number << 3) | kUpb_WireType_Varint; \
do { \
ptr--; \
encode_varint(e, encode); \
if (tag) encode_varint(e, tag); \
} while (ptr != start); \
} \
break;
#define TAG(wire_type) (packed ? 0 : (f->number << 3 | wire_type))
switch (f->UPB_PRIVATE(descriptortype)) {
case kUpb_FieldType_Double:
encode_fixedarray(e, arr, sizeof(double), TAG(kUpb_WireType_64Bit));
break;
case kUpb_FieldType_Float:
encode_fixedarray(e, arr, sizeof(float), TAG(kUpb_WireType_32Bit));
break;
case kUpb_FieldType_SFixed64:
case kUpb_FieldType_Fixed64:
encode_fixedarray(e, arr, sizeof(uint64_t), TAG(kUpb_WireType_64Bit));
break;
case kUpb_FieldType_Fixed32:
case kUpb_FieldType_SFixed32:
encode_fixedarray(e, arr, sizeof(uint32_t), TAG(kUpb_WireType_32Bit));
break;
case kUpb_FieldType_Int64:
case kUpb_FieldType_UInt64:
VARINT_CASE(uint64_t, *ptr);
case kUpb_FieldType_UInt32:
VARINT_CASE(uint32_t, *ptr);
case kUpb_FieldType_Int32:
case kUpb_FieldType_Enum:
VARINT_CASE(int32_t, (int64_t)*ptr);
case kUpb_FieldType_Bool:
VARINT_CASE(bool, *ptr);
case kUpb_FieldType_SInt32:
VARINT_CASE(int32_t, encode_zz32(*ptr));
case kUpb_FieldType_SInt64:
VARINT_CASE(int64_t, encode_zz64(*ptr));
case kUpb_FieldType_String:
case kUpb_FieldType_Bytes: {
const upb_StringView* start = _upb_array_constptr(arr);
const upb_StringView* ptr = start + arr->size;
do {
ptr--;
encode_bytes(e, ptr->data, ptr->size);
encode_varint(e, ptr->size);
encode_tag(e, f->number, kUpb_WireType_Delimited);
} while (ptr != start);
return;
}
case kUpb_FieldType_Group: {
const upb_TaggedMessagePtr* start = _upb_array_constptr(arr);
const upb_TaggedMessagePtr* ptr = start + arr->size;
const upb_MiniTable* subm = subs[f->UPB_PRIVATE(submsg_index)].submsg;
if (--e->depth == 0) encode_err(e, kUpb_EncodeStatus_MaxDepthExceeded);
do {
size_t size;
ptr--;
encode_tag(e, f->number, kUpb_WireType_EndGroup);
encode_TaggedMessagePtr(e, *ptr, subm, &size);
encode_tag(e, f->number, kUpb_WireType_StartGroup);
} while (ptr != start);
e->depth++;
return;
}
case kUpb_FieldType_Message: {
const upb_TaggedMessagePtr* start = _upb_array_constptr(arr);
const upb_TaggedMessagePtr* ptr = start + arr->size;
const upb_MiniTable* subm = subs[f->UPB_PRIVATE(submsg_index)].submsg;
if (--e->depth == 0) encode_err(e, kUpb_EncodeStatus_MaxDepthExceeded);
do {
size_t size;
ptr--;
encode_TaggedMessagePtr(e, *ptr, subm, &size);
encode_varint(e, size);
encode_tag(e, f->number, kUpb_WireType_Delimited);
} while (ptr != start);
e->depth++;
return;
}
}
#undef VARINT_CASE
if (packed) {
encode_varint(e, e->limit - e->ptr - pre_len);
encode_tag(e, f->number, kUpb_WireType_Delimited);
}
}
static void encode_mapentry(upb_encstate* e, uint32_t number,
const upb_MiniTable* layout,
const upb_MapEntry* ent) {
const upb_MiniTableField* key_field = &layout->fields[0];
const upb_MiniTableField* val_field = &layout->fields[1];
size_t pre_len = e->limit - e->ptr;
size_t size;
encode_scalar(e, &ent->data.v, layout->subs, val_field);
encode_scalar(e, &ent->data.k, layout->subs, key_field);
size = (e->limit - e->ptr) - pre_len;
encode_varint(e, size);
encode_tag(e, number, kUpb_WireType_Delimited);
}
static void encode_map(upb_encstate* e, const upb_Message* msg,
const upb_MiniTableSub* subs,
const upb_MiniTableField* f) {
const upb_Map* map = *UPB_PTR_AT(msg, f->offset, const upb_Map*);
const upb_MiniTable* layout = subs[f->UPB_PRIVATE(submsg_index)].submsg;
UPB_ASSERT(layout->field_count == 2);
if (map == NULL) return;
if (e->options & kUpb_EncodeOption_Deterministic) {
_upb_sortedmap sorted;
_upb_mapsorter_pushmap(&e->sorter,
layout->fields[0].UPB_PRIVATE(descriptortype), map,
&sorted);
upb_MapEntry ent;
while (_upb_sortedmap_next(&e->sorter, map, &sorted, &ent)) {
encode_mapentry(e, f->number, layout, &ent);
}
_upb_mapsorter_popmap(&e->sorter, &sorted);
} else {
intptr_t iter = UPB_STRTABLE_BEGIN;
upb_StringView key;
upb_value val;
while (upb_strtable_next2(&map->table, &key, &val, &iter)) {
upb_MapEntry ent;
_upb_map_fromkey(key, &ent.data.k, map->key_size);
_upb_map_fromvalue(val, &ent.data.v, map->val_size);
encode_mapentry(e, f->number, layout, &ent);
}
}
}
static bool encode_shouldencode(upb_encstate* e, const upb_Message* msg,
const upb_MiniTableSub* subs,
const upb_MiniTableField* f) {
if (f->presence == 0) {
/* Proto3 presence or map/array. */
const void* mem = UPB_PTR_AT(msg, f->offset, void);
switch (_upb_MiniTableField_GetRep(f)) {
case kUpb_FieldRep_1Byte: {
char ch;
memcpy(&ch, mem, 1);
return ch != 0;
}
case kUpb_FieldRep_4Byte: {
uint32_t u32;
memcpy(&u32, mem, 4);
return u32 != 0;
}
case kUpb_FieldRep_8Byte: {
uint64_t u64;
memcpy(&u64, mem, 8);
return u64 != 0;
}
case kUpb_FieldRep_StringView: {
const upb_StringView* str = (const upb_StringView*)mem;
return str->size != 0;
}
default:
UPB_UNREACHABLE();
}
} else if (f->presence > 0) {
/* Proto2 presence: hasbit. */
return _upb_hasbit_field(msg, f);
} else {
/* Field is in a oneof. */
return _upb_getoneofcase_field(msg, f) == f->number;
}
}
static void encode_field(upb_encstate* e, const upb_Message* msg,
const upb_MiniTableSub* subs,
const upb_MiniTableField* field) {
switch (upb_FieldMode_Get(field)) {
case kUpb_FieldMode_Array:
encode_array(e, msg, subs, field);
break;
case kUpb_FieldMode_Map:
encode_map(e, msg, subs, field);
break;
case kUpb_FieldMode_Scalar:
encode_scalar(e, UPB_PTR_AT(msg, field->offset, void), subs, field);
break;
default:
UPB_UNREACHABLE();
}
}
static void encode_msgset_item(upb_encstate* e,
const upb_Message_Extension* ext) {
size_t size;
encode_tag(e, kUpb_MsgSet_Item, kUpb_WireType_EndGroup);
encode_message(e, ext->data.ptr, ext->ext->sub.submsg, &size);
encode_varint(e, size);
encode_tag(e, kUpb_MsgSet_Message, kUpb_WireType_Delimited);
encode_varint(e, ext->ext->field.number);
encode_tag(e, kUpb_MsgSet_TypeId, kUpb_WireType_Varint);
encode_tag(e, kUpb_MsgSet_Item, kUpb_WireType_StartGroup);
}
static void encode_ext(upb_encstate* e, const upb_Message_Extension* ext,
bool is_message_set) {
if (UPB_UNLIKELY(is_message_set)) {
encode_msgset_item(e, ext);
} else {
encode_field(e, &ext->data, &ext->ext->sub, &ext->ext->field);
}
}
static void encode_message(upb_encstate* e, const upb_Message* msg,
const upb_MiniTable* m, size_t* size) {
size_t pre_len = e->limit - e->ptr;
if ((e->options & kUpb_EncodeOption_CheckRequired) && m->required_count) {
uint64_t msg_head;
memcpy(&msg_head, msg, 8);
msg_head = _upb_BigEndian_Swap64(msg_head);
if (upb_MiniTable_requiredmask(m) & ~msg_head) {
encode_err(e, kUpb_EncodeStatus_MissingRequired);
}
}
if ((e->options & kUpb_EncodeOption_SkipUnknown) == 0) {
size_t unknown_size;
const char* unknown = upb_Message_GetUnknown(msg, &unknown_size);
if (unknown) {
encode_bytes(e, unknown, unknown_size);
}
}
if (m->ext != kUpb_ExtMode_NonExtendable) {
/* Encode all extensions together. Unlike C++, we do not attempt to keep
* these in field number order relative to normal fields or even to each
* other. */
size_t ext_count;
const upb_Message_Extension* ext = _upb_Message_Getexts(msg, &ext_count);
if (ext_count) {
if (e->options & kUpb_EncodeOption_Deterministic) {
_upb_sortedmap sorted;
_upb_mapsorter_pushexts(&e->sorter, ext, ext_count, &sorted);
while (_upb_sortedmap_nextext(&e->sorter, &sorted, &ext)) {
encode_ext(e, ext, m->ext == kUpb_ExtMode_IsMessageSet);
}
_upb_mapsorter_popmap(&e->sorter, &sorted);
} else {
const upb_Message_Extension* end = ext + ext_count;
for (; ext != end; ext++) {
encode_ext(e, ext, m->ext == kUpb_ExtMode_IsMessageSet);
}
}
}
}
if (m->field_count) {
const upb_MiniTableField* f = &m->fields[m->field_count];
const upb_MiniTableField* first = &m->fields[0];
while (f != first) {
f--;
if (encode_shouldencode(e, msg, m->subs, f)) {
encode_field(e, msg, m->subs, f);
}
}
}
*size = (e->limit - e->ptr) - pre_len;
}
static upb_EncodeStatus upb_Encoder_Encode(upb_encstate* const encoder,
const void* const msg,
const upb_MiniTable* const l,
char** const buf,
size_t* const size) {
// Unfortunately we must continue to perform hackery here because there are
// code paths which blindly copy the returned pointer without bothering to
// check for errors until much later (b/235839510). So we still set *buf to
// NULL on error and we still set it to non-NULL on a successful empty result.
if (UPB_SETJMP(encoder->err) == 0) {
encode_message(encoder, msg, l, size);
*size = encoder->limit - encoder->ptr;
if (*size == 0) {
static char ch;
*buf = &ch;
} else {
UPB_ASSERT(encoder->ptr);
*buf = encoder->ptr;
}
} else {
UPB_ASSERT(encoder->status != kUpb_EncodeStatus_Ok);
*buf = NULL;
*size = 0;
}
_upb_mapsorter_destroy(&encoder->sorter);
return encoder->status;
}
upb_EncodeStatus upb_Encode(const void* msg, const upb_MiniTable* l,
int options, upb_Arena* arena, char** buf,
size_t* size) {
upb_encstate e;
unsigned depth = (unsigned)options >> 16;
e.status = kUpb_EncodeStatus_Ok;
e.arena = arena;
e.buf = NULL;
e.limit = NULL;
e.ptr = NULL;
e.depth = depth ? depth : kUpb_WireFormat_DefaultDepthLimit;
e.options = options;
_upb_mapsorter_init(&e.sorter);
return upb_Encoder_Encode(&e, msg, l, buf, size);
}
// Must be last.
UPB_NOINLINE _upb_WireReader_ReadLongVarintRet
_upb_WireReader_ReadLongVarint(const char* ptr, uint64_t val) {
_upb_WireReader_ReadLongVarintRet ret = {NULL, 0};
uint64_t byte;
int i;
for (i = 1; i < 10; i++) {
byte = (uint8_t)ptr[i];
val += (byte - 1) << (i * 7);
if (!(byte & 0x80)) {
ret.ptr = ptr + i + 1;
ret.val = val;
return ret;
}
}
return ret;
}
const char* _upb_WireReader_SkipGroup(const char* ptr, uint32_t tag,
int depth_limit,
upb_EpsCopyInputStream* stream) {
if (--depth_limit == 0) return NULL;
uint32_t end_group_tag = (tag & ~7ULL) | kUpb_WireType_EndGroup;
while (!upb_EpsCopyInputStream_IsDone(stream, &ptr)) {
uint32_t tag;
ptr = upb_WireReader_ReadTag(ptr, &tag);
if (!ptr) return NULL;
if (tag == end_group_tag) return ptr;
ptr = _upb_WireReader_SkipValue(ptr, tag, depth_limit, stream);
if (!ptr) return NULL;
}
return ptr;
}
// This should #undef all macros #defined in def.inc
#undef UPB_SIZE
#undef UPB_PTR_AT
#undef UPB_MAPTYPE_STRING
#undef UPB_EXPORT
#undef UPB_INLINE
#undef UPB_API
#undef UPB_API_INLINE
#undef UPB_ALIGN_UP
#undef UPB_ALIGN_DOWN
#undef UPB_ALIGN_MALLOC
#undef UPB_ALIGN_OF
#undef UPB_MALLOC_ALIGN
#undef UPB_LIKELY
#undef UPB_UNLIKELY
#undef UPB_FORCEINLINE
#undef UPB_NOINLINE
#undef UPB_NORETURN
#undef UPB_PRINTF
#undef UPB_MAX
#undef UPB_MIN
#undef UPB_UNUSED
#undef UPB_ASSUME
#undef UPB_ASSERT
#undef UPB_UNREACHABLE
#undef UPB_SETJMP
#undef UPB_LONGJMP
#undef UPB_PTRADD
#undef UPB_MUSTTAIL
#undef UPB_FASTTABLE_SUPPORTED
#undef UPB_FASTTABLE_MASK
#undef UPB_FASTTABLE
#undef UPB_FASTTABLE_INIT
#undef UPB_POISON_MEMORY_REGION
#undef UPB_UNPOISON_MEMORY_REGION
#undef UPB_ASAN
#undef UPB_TREAT_PROTO2_ENUMS_LIKE_PROTO3
#undef UPB_DEPRECATED
#undef UPB_GNUC_MIN
#undef UPB_DESCRIPTOR_UPB_H_FILENAME
#undef UPB_DESC
#undef UPB_IS_GOOGLE3
#undef UPB_ATOMIC
#undef UPB_USE_C11_ATOMICS
#undef UPB_PRIVATE
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