d0p1/tcc-stupidos
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even faster

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This commit is contained in:
bellard 2001-12-06 23:57:36 +00:00
parent 711075fe3b
commit 5d7f7bb5ef
1 changed files with 29 additions and 19 deletions
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48
tcc.c
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@ -613,23 +613,32 @@ void sym_pop(SymStack *st, Sym *b)
st->top = b;
}
/* no need to put that inline */
int handle_eof(void)
{
if (include_stack_ptr == include_stack)
return -1;
/* pop include stack */
fclose(file);
free(filename);
include_stack_ptr--;
file = include_stack_ptr->file;
filename = include_stack_ptr->filename;
line_num = include_stack_ptr->line_num;
return 0;
}
/* read next char from current input file */
void inp(void)
static inline void inp(void)
{
redo:
/* faster than fgetc */
ch1 = getc_unlocked(file);
if (ch1 == -1) {
if (include_stack_ptr == include_stack)
if (handle_eof() < 0)
return;
/* pop include stack */
fclose(file);
free(filename);
include_stack_ptr--;
file = include_stack_ptr->file;
filename = include_stack_ptr->filename;
line_num = include_stack_ptr->line_num;
goto redo;
else
goto redo;
}
if (ch1 == '\n')
line_num++;
@ -637,9 +646,9 @@ void inp(void)
}
/* input with '\\n' handling */
void minp()
static inline void minp(void)
{
redo:
redo:
ch = ch1;
inp();
if (ch == '\\' && ch1 == '\n') {
@ -649,8 +658,9 @@ void minp()
//printf("ch=%c 0x%x\n", ch, ch);
}
/* same as minp, but also skip comments */
void cinp()
void cinp(void)
{
int c;
@ -669,11 +679,11 @@ void cinp()
while (ch1 != -1) {
c = ch1;
inp();
if (c == '*' && ch1 == '/') {
inp();
ch = ' '; /* return space */
break;
}
if (c == '*' && ch1 == '/') {
inp();
ch = ' '; /* return space */
break;
}
}
} else {
ch = '/';
@ -683,7 +693,7 @@ void cinp()
}
}
void skip_spaces()
void skip_spaces(void)
{
while (ch == ' ' || ch == '\t')
cinp();