----------------------------------------------------------------------
#define hexCh(c (c >= 10 ? 'a' + c - 10 : '0' + c)
  hexCh(c);

out:
jiang@jiang:~/test$ ./tcc -E c4.c
# 1 "c4.c"

(c >= 10 ? 'a' + c - 10 : '0' + c);
---------------------------------------------------------------

#define hexCh(c/3) (c >= 10 ? 'a' + c - 10 : '0' + c)
hexCh(c);

out:
jiang@jiang:~/test$ ./tcc -E c4.c
# 1 "c4.c"

/3) (c >= 10 ? 'a' + c - 10 : '0' + c);
jiang@jiang:~/test$

after patch:

# 1 "c4.c"
c4.c:1: error: may not appear in macro parameter list: "("
jiang@jiang:~/test$

jiang@jiang:~/test$ ./tcc -E c4.c
# 1 "c4.c"
c4.c:1: error: may not appear in macro parameter list: "/"
jiang@jiang:~/test$
This commit is contained in:
jiang 2014-06-29 20:35:57 +08:00
parent 799512388c
commit a3fc543459
6 changed files with 26 additions and 5 deletions

View File

@ -1239,16 +1239,15 @@ ST_FUNC void parse_define(void)
next_nomacro();
}
if (varg < TOK_IDENT)
tcc_error("badly punctuated parameter list");
tcc_error( "\'%s\' may not appear in parameter list", get_tok_str(varg, NULL));
s = sym_push2(&define_stack, varg | SYM_FIELD, is_vaargs, 0);
*ps = s;
ps = &s->next;
if (tok != ',')
break;
continue;
next_nomacro();
}
if (tok == ')')
next_nomacro_spc();
next_nomacro_spc();
t = MACRO_FUNC;
}
tok_str_new(&str);

View File

@ -0,0 +1,9 @@
#include <stdio.h>
#define hexCh(c (c >= 10 ? 'a' + c - 10 : '0' + c)
int main(void)
{
int c = 0xa;
printf("hex: %c\n", hexCh(c));
return 0;
}

View File

@ -0,0 +1 @@
68_macro_concat.c:2: error: '(' may not appear in parameter list

View File

@ -0,0 +1,9 @@
#include <stdio.h>
#define hexCh(c/3) (c >= 10 ? 'a' + c - 10 : '0' + c)
int main(void)
{
int c = 0xa;
printf("hex: %c\n", hexCh(c));
return 0;
}

View File

@ -0,0 +1 @@
69_macro_concat.c:2: error: '/' may not appear in parameter list

View File

@ -82,7 +82,9 @@ TESTS = \
64_macro_nesting.test \
65_macro_concat_start.test \
66_macro_concat_end.test \
67_macro_concat.test
67_macro_concat.test \
68_macro_concat.test \
69_macro_concat.test
# 34_array_assignment.test -- array assignment is not in C standard