tccpp: allow "0x1e+1" in asm

master
grischka 2016-10-01 21:58:02 +02:00
parent 8afb8ccba2
commit 5a23a72aed
1 changed files with 13 additions and 9 deletions

22
tccpp.c
View File

@ -2633,21 +2633,26 @@ maybe_newline:
case '0': case '1': case '2': case '3':
case '4': case '5': case '6': case '7':
case '8': case '9':
cstr_reset(&tokcstr);
t = c;
PEEKC(c, p);
/* after the first digit, accept digits, alpha, '.' or sign if
prefixed by 'eEpP' */
parse_num:
cstr_reset(&tokcstr);
for(;;) {
t = c;
cstr_ccat(&tokcstr, c);
PEEKC(c, p);
cstr_ccat(&tokcstr, t);
if (!((isidnum_table[c - CH_EOF] & (IS_ID|IS_NUM))
|| c == '.'
|| ((c == '+' || c == '-')
&& (t == 'e' || t == 'E' || t == 'p' || t == 'P')
&& !(parse_flags & PARSE_FLAG_ASM_FILE)
)))
&& (((t == 'e' || t == 'E')
&& !(parse_flags & PARSE_FLAG_ASM_FILE
/* 0xe+1 is 3 tokens in asm */
&& ((char*)tokcstr.data)[0] == '0'
&& toup(((char*)tokcstr.data)[1]) == 'X'))
|| t == 'p' || t == 'P'))))
break;
t = c;
PEEKC(c, p);
}
/* We add a trailing '\0' to ease parsing */
cstr_ccat(&tokcstr, '\0');
@ -2660,8 +2665,7 @@ maybe_newline:
/* special dot handling because it can also start a number */
PEEKC(c, p);
if (isnum(c)) {
cstr_reset(&tokcstr);
cstr_ccat(&tokcstr, '.');
t = '.';
goto parse_num;
} else if ((parse_flags & PARSE_FLAG_ASM_FILE)
&& (isidnum_table[c - CH_EOF] & (IS_ID|IS_NUM))) {