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further parse optimizations

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This commit is contained in:
bellard 2002-11-22 13:37:52 +00:00
parent 5286d3d84c
commit 63965fc585
1 changed files with 17 additions and 13 deletions

30
tcc.c
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@ -2675,14 +2675,21 @@ static inline void next_nomacro1(void)
char *q;
TokenSym *ts;
/* skip spaces */
while(1) {
while (ch == '\n') {
/* during preprocessor parsing, '\n' is a token */
if (return_linefeed) {
tok = TOK_LINEFEED;
return;
}
redo_no_start:
switch(ch) {
case ' ':
case '\t':
case '\f':
case '\v':
case '\r':
cinp();
goto redo_no_start;
case '\n':
if (return_linefeed) {
/* XXX: should eat token ? */
tok = TOK_LINEFEED;
} else {
cinp();
skip_spaces();
if (ch == '#') {
@ -2690,12 +2697,9 @@ static inline void next_nomacro1(void)
spaces */
preprocess();
}
goto redo_no_start;
}
if (!is_space(ch))
break;
cinp();
}
switch(ch) {
break;
case '#':
tok = ch;