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line-numbers output for TCC -E

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grischka 2008-11-24 20:29:29 +01:00
parent 78f288bc87
commit 83466c6151
1 changed files with 25 additions and 12 deletions
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37
tcc.c
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@ -9646,30 +9646,43 @@ static int tcc_compile(TCCState *s1)
static int tcc_preprocess(TCCState *s1) static int tcc_preprocess(TCCState *s1)
{ {
Sym *define_start; Sym *define_start;
int last_is_space; BufferedFile *file_ref;
int token_seen, line_ref;
preprocess_init(s1); preprocess_init(s1);
define_start = define_stack; define_start = define_stack;
ch = file->buf_ptr[0]; ch = file->buf_ptr[0];
tok_flags = TOK_FLAG_BOL | TOK_FLAG_BOF; tok_flags = TOK_FLAG_BOL | TOK_FLAG_BOF;
parse_flags = PARSE_FLAG_ASM_COMMENTS | PARSE_FLAG_PREPROCESS | parse_flags = PARSE_FLAG_ASM_COMMENTS | PARSE_FLAG_PREPROCESS |
PARSE_FLAG_LINEFEED; PARSE_FLAG_LINEFEED;
last_is_space = 1;
next(); token_seen = 0;
for(;;) { line_ref = 0;
file_ref = NULL;
for (;;) {
next();
if (tok == TOK_EOF) { if (tok == TOK_EOF) {
break; break;
} else if (tok == TOK_LINEFEED) { } else if (tok == TOK_LINEFEED) {
last_is_space = 1; if (!token_seen)
continue;
++line_ref;
token_seen = 0;
} else if (token_seen) {
fputc(' ', s1->outfile);
} else { } else {
if (!last_is_space) int d = file->line_num - line_ref;
fputc(' ', s1->outfile); if (file != file_ref || d < 0 || d >= 8)
last_is_space = 0; fprintf(s1->outfile, "# %d \"%s\"\n", file->line_num, file->filename);
else
while (d)
fputs("\n", s1->outfile), --d;
line_ref = (file_ref = file)->line_num;
token_seen = 1;
} }
fputs(get_tok_str(tok, &tokc), s1->outfile); fputs(get_tok_str(tok, &tokc), s1->outfile);
next();
} }
free_defines(define_start); free_defines(define_start);
return 0; return 0;