Here's a more elaborate testcase that compiles without warnings on gcc
(and gives some compiler errors with clang):
#include <Foundation/Foundation.h>
int main()
{
char *c;
wchar_t *w;
NSString *s;
c = "hi";
w = L"hi";
s = @"Hi";
s = @L"hi";
//L@"hi"; // expected-error{{use of undeclared idenifier 'L'}}
w = L"hi" "hi" "hi";
w = "hi" L"hi" "hi";
w = "hi" "hi" L"hi";
s = @"hi" "hi" "hi";
s = "hi" @"hi" "hi";
s = "hi" "hi" @"hi";
s = @"hi" L"hi" "hi";
s = "hi" @"hi" L"hi";
s = L"hi" "hi" @"hi";
s = L"hi" @"hi" "hi";
s = "hi" L"hi" @"hi";
s = @"hi" "hi" L"hi";
return 0;
}
Concatenating objc strings and "normal" strings is not really defined
anywhere as far as I can tell, but it works in gcc.
Nico
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