Re: [Tinycc-devel] bug report: no idea how to describe the bug, but has a minimum demo

[Clive Tovero]

##__VA_ARGS is a gcc extension, does tcc support it? (Looks to me like 
it doesn't.)

On 4/6/23 15:55, vsfos via Tinycc-devel wrote:
> Source Code:
>
> ```c
>
> #define VSF_MCONNECT(a, b)                      a##b
>
> #if 1
> #define VSF_MREPEAT(__COUNT, __MACRO, ...) VSF_MCONNECT(VSF_MREPEAT, 
> __COUNT)(__MACRO, ##__VA_ARGS__)
> #define VSF_MREPEAT0(  __MACRO, ...)
> #define VSF_MREPEAT1(  __MACRO, ...) VSF_MREPEAT0(  __MACRO, 
> ##__VA_ARGS__)   __MACRO(  0, ##__VA_ARGS__)
> #else
> #define VSF_MREPEAT(__COUNT, __MACRO, __PARAM) 
> VSF_MCONNECT(VSF_MREPEAT, __COUNT)(__MACRO, __PARAM)
> #define VSF_MREPEAT0(  __MACRO, __PARAM)
> #define VSF_MREPEAT1(  __MACRO, __PARAM) VSF_MREPEAT0(  __MACRO, 
> __PARAM)   __MACRO(  0, __PARAM)
> #endif
>
> #define __PM_DIV_(_N, _D)     VSF ## _D ## DIV_ ## _N = (_N),
> typedef enum vsf_pm_divider_t {
>     VSF_MREPEAT(1, __PM_DIV_, MAIN)
> } vsf_pm_divider_t;
>
> int main(int argc, char **argv)
> {
>     return 0;
> }
>
> ```
>
> Compiler output, tcc is compiled form the git top:
> >>> /usr/local/bin/tcc -v
> tcc version 0.9.27 mob:e7262ac 2023-03-23T20:02:19+01:00 (x86_64 Linux)
> >>> /usr/local/bin/tcc -o main -c main.c
> main.c:15: error: '}' expected (got "DIV_0")
>
> pre-compile output with -E options:
>
> # 1 "main.c"
> # 1 "<command line>" 1
> # 2 "main.c" 2
> # 14 "main.c"
> typedef enum vsf_pm_divider_t {
>      VSFMAIN DIV_0 = (0),
> } vsf_pm_divider_t;
>
> int main(int argc, char **argv)
> {
>     return 0;
> }
>
> If change the #if 1 to #if 0, it will be ok to compile the source code.
>
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