Jordan Rose | 66360e2 | 2012-10-02 01:49:54 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -fsyntax-only -verify -Wformat-nonliteral -pedantic %s |
| 2 | |
| 3 | #include <stdarg.h> |
| 4 | |
| 5 | extern "C" { |
| 6 | extern int scanf(const char *restrict, ...); |
| 7 | extern int printf(const char *restrict, ...); |
| 8 | extern int vprintf(const char *restrict, va_list); |
| 9 | } |
| 10 | |
| 11 | @class NSString; |
| 12 | |
| 13 | @interface Format |
| 14 | + (void)print:(NSString *)format, ... __attribute__((format(NSString, 1, 2))); |
| 15 | @end |
| 16 | |
| 17 | |
| 18 | namespace Templates { |
| 19 | template<typename T> |
| 20 | void my_uninstantiated_print(const T &arg) { |
| 21 | [Format print:@"%d", arg]; |
| 22 | } |
| 23 | |
| 24 | template<typename T> |
| 25 | void my_print(const T &arg) { |
| 26 | [Format print:@"%d", arg]; // expected-warning {{format specifies type 'int' but the argument has type 'const char *'}} |
| 27 | } |
| 28 | |
| 29 | void use_my_print() { |
| 30 | my_print("abc"); // expected-note {{requested here}} |
| 31 | } |
| 32 | |
| 33 | |
| 34 | template<typename T> |
| 35 | class UninstantiatedPrinter { |
| 36 | public: |
| 37 | static void print(const T &arg) { |
| 38 | [Format print:@"%d", arg]; // no-warning |
| 39 | } |
| 40 | }; |
| 41 | |
| 42 | template<typename T> |
| 43 | class Printer { |
| 44 | public: |
| 45 | void print(const T &arg) { |
| 46 | [Format print:@"%d", arg]; // expected-warning {{format specifies type 'int' but the argument has type 'const char *'}} |
| 47 | } |
| 48 | }; |
| 49 | |
| 50 | void use_class(Printer<const char *> &p) { |
| 51 | p.print("abc"); // expected-note {{requested here}} |
| 52 | } |
| 53 | |
| 54 | |
| 55 | template<typename T> |
| 56 | class UninstantiatedWrapper { |
| 57 | public: |
| 58 | class Printer { |
| 59 | public: |
| 60 | void print(const T &arg) { |
| 61 | [Format print:@"%d", arg]; // no-warning |
| 62 | } |
| 63 | }; |
| 64 | }; |
| 65 | |
| 66 | template<typename T> |
| 67 | class Wrapper { |
| 68 | public: |
| 69 | class Printer { |
| 70 | public: |
| 71 | void print(const T &arg) { |
| 72 | [Format print:@"%d", arg]; // expected-warning {{format specifies type 'int' but the argument has type 'const char *'}} |
| 73 | } |
| 74 | }; |
| 75 | }; |
| 76 | |
| 77 | void use_class(Wrapper<const char *>::Printer &p) { |
| 78 | p.print("abc"); // expected-note {{requested here}} |
| 79 | } |
| 80 | } |
| 81 | |