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fixed zero arg macro parse

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This commit is contained in:
bellard 2003-05-18 18:48:33 +00:00
parent e58bda52cd
commit 638e666c42
2 changed files with 7 additions and 1 deletions
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2
tcc.c
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@ -3812,7 +3812,7 @@ static int macro_subst_tok(TokenString *tok_str,
/* NOTE: empty args are allowed, except if no args */ /* NOTE: empty args are allowed, except if no args */
for(;;) { for(;;) {
/* handle '()' case */ /* handle '()' case */
if (!args && tok == ')') if (!args && !sa && tok == ')')
break; break;
if (!sa) if (!sa)
error("macro '%s' used with too many args", error("macro '%s' used with too many args",

6
tcctest.c
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@ -253,6 +253,12 @@ void macro_test(void)
/* test macro substituion inside args (should not eat stream) */ /* test macro substituion inside args (should not eat stream) */
printf("qq=%d\n", qq(qq)(2)); printf("qq=%d\n", qq(qq)(2));
/* test zero argument case. NOTE: gcc 2.95.x does not accept a
null argument without a space. gcc 3.2 fixes that. */
#define qq1(x) 1
printf("qq1=%d\n", qq1( ));
/* comment with stray handling *\ /* comment with stray handling *\
/ /
/* this is a valid *\/ comment */ /* this is a valid *\/ comment */