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| // RUN: %clang_cc1 -fsyntax-only -verify -Wformat-nonliteral -pedantic %s
#include <stdarg.h>
extern "C" {
extern int scanf(const char *restrict, ...);
extern int printf(const char *restrict, ...);
extern int vprintf(const char *restrict, va_list);
}
@class NSString;
@interface Format
+ (void)print:(NSString *)format, ... __attribute__((format(NSString, 1, 2)));
@end
namespace Templates {
template<typename T>
void my_uninstantiated_print(const T &arg) {
[Format print:@"%d", arg];
}
template<typename T>
void my_print(const T &arg) {
[Format print:@"%d", arg]; // expected-warning {{format specifies type 'int' but the argument has type 'const char *'}}
}
void use_my_print() {
my_print("abc"); // expected-note {{requested here}}
}
template<typename T>
class UninstantiatedPrinter {
public:
static void print(const T &arg) {
[Format print:@"%d", arg]; // no-warning
}
};
template<typename T>
class Printer {
public:
void print(const T &arg) {
[Format print:@"%d", arg]; // expected-warning {{format specifies type 'int' but the argument has type 'const char *'}}
}
};
void use_class(Printer<const char *> &p) {
p.print("abc"); // expected-note {{requested here}}
}
template<typename T>
class UninstantiatedWrapper {
public:
class Printer {
public:
void print(const T &arg) {
[Format print:@"%d", arg]; // no-warning
}
};
};
template<typename T>
class Wrapper {
public:
class Printer {
public:
void print(const T &arg) {
[Format print:@"%d", arg]; // expected-warning {{format specifies type 'int' but the argument has type 'const char *'}}
}
};
};
void use_class(Wrapper<const char *>::Printer &p) {
p.print("abc"); // expected-note {{requested here}}
}
}
|