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tccpp: warn about #define redefinition

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This commit is contained in:
grischka 2010-01-14 20:57:50 +01:00
parent e20bf69ac5
commit 280e20b1d3
1 changed files with 19 additions and 0 deletions
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19
tccpp.c
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@ -997,11 +997,30 @@ ST_FUNC void tok_str_add_tok(TokenString *s)
} \
}
static int macro_is_equal(const int *a, const int *b)
{
char buf[STRING_MAX_SIZE + 1];
CValue cv;
int t;
while (*a && *b) {
TOK_GET(t, a, cv);
pstrcpy(buf, sizeof buf, get_tok_str(t, &cv));
TOK_GET(t, b, cv);
if (strcmp(buf, get_tok_str(t, &cv)))
return 0;
}
return !(*a || *b);
}
/* defines handling */
ST_INLN void define_push(int v, int macro_type, int *str, Sym *first_arg)
{
Sym *s;
s = define_find(v);
if (s && !macro_is_equal(s->d, str))
warning("%s redefined", get_tok_str(v, NULL));
s = sym_push2(&define_stack, v, macro_type, 0);
s->d = str;
s->next = first_arg;