d0p1/tcc-stupidos
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preprocess: "assign PARSE_FLAG_ASM_COMMENTS only for asm files"

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resolve a problem with the following test.c program, tcc -E test.c

    #ifdef	_XOPEN_SOURCE
    # define __USE_XOPEN	1
    # if (_XOPEN_SOURCE - 0) >= 500
    #  define __USE_XOPEN_EXTENDED	1
    #  define __USE_UNIX98	1
    #  undef _LARGEFILE_SOURCE
    #  define _LARGEFILE_SOURCE	1
    #  if (_XOPEN_SOURCE - 0) >= 600
    #   define __USE_XOPEN2K	1
    #   undef __USE_ISOC99
    #   define __USE_ISOC99		1
    #  endif
    # else
    #  ifdef _XOPEN_SOURCE_EXTENDED
    #   define __USE_XOPEN_EXTENDED	1
    #  endif
    # endif
    #endif

    int main() {}

    // # 17 "aaa.c"
    // aaa.c:17: error: #endif without matching #if
This commit is contained in:
seyko 2015-04-27 15:25:49 +03:00
parent 2d3458363e
commit 2df290073b
2 changed files with 3 additions and 4 deletions
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2
libtcc.c
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@ -1166,7 +1166,7 @@ ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags,
/* if .S file, define __ASSEMBLER__ like gcc does */
if ((filetype == TCC_FILETYPE_ASM) || (filetype == TCC_FILETYPE_ASM_PP)) {
tcc_define_symbol(s1, "__ASSEMBLER__", NULL);
parse_flags = PARSE_FLAG_ASM_FILE;
parse_flags = PARSE_FLAG_ASM_FILE | PARSE_FLAG_ASM_COMMENTS;
}
#endif

5
tccpp.c
View file

@ -3290,9 +3290,8 @@ ST_FUNC int tcc_preprocess(TCCState *s1)
preprocess_init(s1);
ch = file->buf_ptr[0];
tok_flags = TOK_FLAG_BOL | TOK_FLAG_BOF;
parse_flags = (parse_flags & PARSE_FLAG_ASM_FILE);
parse_flags |= PARSE_FLAG_ASM_COMMENTS | PARSE_FLAG_PREPROCESS |
PARSE_FLAG_LINEFEED | PARSE_FLAG_SPACES;
parse_flags &= (PARSE_FLAG_ASM_FILE | PARSE_FLAG_ASM_COMMENTS);
parse_flags |= PARSE_FLAG_PREPROCESS | PARSE_FLAG_LINEFEED | PARSE_FLAG_SPACES;
token_seen = 0;
file->line_ref = 0;
file_ref = NULL;