tinycc/tests/tests2/129_scopes.c
grischka acb2a909dd
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tccgen.c: fix two scope problems
... see tests

Also:
- tccgen.c: cleanup _Generic a little
- libtcc.c: cleanup mem-debug a little
- arm-link.c: read/write only once
- tcc.h: another fix for clang offsetof
- tccdbg.c:
  * stabs: handle forward struct/enum decls
  * stabs: fix anonymous struct members (must not have a .L123 name)
  * avoid strncpy()
2025-08-22 19:14:44 +02:00

87 lines
1.6 KiB
C

int printf(const char*, ...);
#define myassert(x) \
printf("%s:%d: %s : \"%s\"\n", __FILE__,__LINE__,(x)?"ok":"error",#x)
enum{ in = 0};
int main_1(){
{
myassert(!in);
if(sizeof(enum{in=1})) myassert(in);
myassert(!in); //OOPS
}
{
myassert(!in);
switch(sizeof(enum{in=1})) { default: myassert(in); }
myassert(!in); //OOPS
}
{
myassert(!in);
while(sizeof(enum{in=1})) { myassert(in); break; }
myassert(!in); //OOPS
}
{
myassert(!in);
do{ myassert(!in);}while(0*sizeof(enum{in=1}));
myassert(!in); //OOPS
}
{
myassert(!in);
for(sizeof(enum{in=1});;){ myassert(in); break; }
myassert(!in); //OK
}
{
myassert(!in);
for(;;sizeof(enum{in=1})){ myassert(in); break; }
myassert(!in); //OK
}
{
myassert(!in);
for(;sizeof(enum{in=1});){ myassert(in); break; }
myassert(!in); //OK
}
return 0;
}
/* --------------------------------------------- */
int main_2()
{
char c = 'a';
void func1(char c); /* param 'c' must not shadow local 'c' */
func1(c);
return 0;
}
void func1(char c)
{
myassert(c == 'a');
}
struct st { int a; };
/* --------------------------------------------- */
int main_3()
{
struct st func(void);
struct st st = func(); /* not an 'incompatible redefinition' */
myassert(st.a == 10);
return 0;
}
struct st func(void)
{
struct st st = { 10 };
return st;
}
/* --------------------------------------------- */
int main()
{
main_1();
main_2();
main_3();
return 0;
}