polserver/pol-core/bscript/compiler/astbuilder/ModuleDeclarationBuilder.cpp
Kevin Eady 93645f0770
Add variable arguments to user functions (#679)
* Update grammar

* Update parser and AST generator

* Update semantic analysis

* Executor implementation
- Move Executor stack modification logic to BFunctionRef
- Handle user function calls
- Handle expression function calls

* Tests

* Update existing listfile snapshots
- Adds variadic boolean to instruction stack
- Changes instruction counts and offsets

* Fix test issue

* Better implementation of calling user functions

* Add var-args-captures test

* Refactor continuation handling + handle variadic args
- Move stack modifications from make/withContinuation into the executor's handling of the continuation
- Only trim args in continuation call if function is not variadic

* Add var-args-continuation test (via array.filter)

* update escriptguide + formatting, docs

* Fix CI annotations
- '=': conversion from 'size_t' to 'unsigned int', possible loss of data
- declaration of 'continuation' hides previous local declaration
2024-08-04 17:13:30 +02:00

57 lines
2.1 KiB
C++

#include "ModuleDeclarationBuilder.h"
#include "bscript/compiler/ast/Expression.h"
#include "bscript/compiler/ast/FunctionParameterDeclaration.h"
#include "bscript/compiler/ast/FunctionParameterList.h"
#include "bscript/compiler/ast/ModuleFunctionDeclaration.h"
using EscriptGrammar::EscriptParser;
namespace Pol::Bscript::Compiler
{
ModuleDeclarationBuilder::ModuleDeclarationBuilder(
const SourceFileIdentifier& source_file_identifier, BuilderWorkspace& workspace )
: SimpleStatementBuilder( source_file_identifier, workspace )
{
}
std::unique_ptr<ModuleFunctionDeclaration> ModuleDeclarationBuilder::module_function_declaration(
EscriptParser::ModuleFunctionDeclarationContext* ctx, std::string module_name )
{
std::string name = text( ctx->IDENTIFIER() );
std::vector<std::unique_ptr<FunctionParameterDeclaration>> parameters;
if ( auto param_list = ctx->moduleFunctionParameterList() )
{
for ( auto param : param_list->moduleFunctionParameter() )
{
std::string parameter_name = text( param->IDENTIFIER() );
std::unique_ptr<FunctionParameterDeclaration> parameter_declaration;
bool byref = false;
bool unused = false;
bool rest = false;
if ( auto expr_ctx = param->expression() )
{
auto default_value = expression( expr_ctx );
parameter_declaration = std::make_unique<FunctionParameterDeclaration>(
location_for( *param ), std::move( parameter_name ), byref, unused, rest,
std::move( default_value ) );
}
else
{
parameter_declaration = std::make_unique<FunctionParameterDeclaration>(
location_for( *param ), std::move( parameter_name ), byref, unused, rest );
}
parameters.push_back( std::move( parameter_declaration ) );
}
}
auto source_location = location_for( *ctx );
auto parameter_list =
std::make_unique<FunctionParameterList>( source_location, std::move( parameters ) );
return std::make_unique<ModuleFunctionDeclaration>(
source_location, std::move( module_name ), std::move( name ), std::move( parameter_list ) );
}
} // namespace Pol::Bscript::Compiler