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Fix #122: Allow standalone prefixes.

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Implementation copied from gas parser.

svn path=/trunk/yasm/; revision=2021
This commit is contained in:
Peter Johnson 2007-12-04 07:08:01 +00:00
parent 4606b9506a
commit de93025047
4 changed files with 19 additions and 4 deletions
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10
modules/parsers/nasm/nasm-parse.c
View file

@ -658,8 +658,9 @@ parse_instr(yasm_parser_nasm *parser_nasm)
uintptr_t prefix = PREFIX_val;
get_next_token();
bc = parse_instr(parser_nasm);
if (bc)
yasm_insn_add_prefix(yasm_bc_get_insn(bc), prefix);
if (!bc)
bc = yasm_arch_create_empty_insn(p_object->arch, cur_line);
yasm_insn_add_prefix(yasm_bc_get_insn(bc), prefix);
return bc;
}
case SEGREG:
@ -667,8 +668,9 @@ parse_instr(yasm_parser_nasm *parser_nasm)
uintptr_t segreg = SEGREG_val;
get_next_token();
bc = parse_instr(parser_nasm);
if (bc)
yasm_insn_add_seg_prefix(yasm_bc_get_insn(bc), segreg);
if (!bc)
bc = yasm_arch_create_empty_insn(p_object->arch, cur_line);
yasm_insn_add_seg_prefix(yasm_bc_get_insn(bc), segreg);
return bc;
}
default:

2
modules/parsers/nasm/tests/Makefile.inc
View file

@ -19,6 +19,8 @@ EXTRA_DIST += modules/parsers/nasm/tests/hexconst.asm
EXTRA_DIST += modules/parsers/nasm/tests/hexconst.hex
EXTRA_DIST += modules/parsers/nasm/tests/long.asm
EXTRA_DIST += modules/parsers/nasm/tests/long.hex
EXTRA_DIST += modules/parsers/nasm/tests/nasm-prefix.asm
EXTRA_DIST += modules/parsers/nasm/tests/nasm-prefix.hex
EXTRA_DIST += modules/parsers/nasm/tests/newsect.asm
EXTRA_DIST += modules/parsers/nasm/tests/newsect.hex
EXTRA_DIST += modules/parsers/nasm/tests/orphannowarn.asm

5
modules/parsers/nasm/tests/nasm-prefix.asm Normal file
View file

@ -0,0 +1,5 @@
es
mov ax, [bx]
a32
mov ax, [bx]

6
modules/parsers/nasm/tests/nasm-prefix.hex Normal file
View file

@ -0,0 +1,6 @@
26
8b
07
67
8b
07