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bc53ed1ee6
This allows us to be more careful when dealing with enums whose fixed underlying type requires special handling in a format string, like NSInteger. A refinement of r163266 from a year and a half ago, which added the special handling for NSInteger and friends in the first place. <rdar://problem/16616623> llvm-svn: 209966
37 lines
1.3 KiB
C
37 lines
1.3 KiB
C
// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -verify %s
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// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -x c++ -verify %s
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// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -x c++ -std=c++11 -verify %s
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// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -x objective-c -verify %s
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// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -x objective-c++ -std=c++11 -verify %s
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#ifdef __cplusplus
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# define EXTERN_C extern "C"
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#else
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# define EXTERN_C extern
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#endif
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EXTERN_C int printf(const char *,...);
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typedef enum { Constant = 0 } TestEnum;
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// Note that in C, the type of 'Constant' is 'int'. In C++ it is 'TestEnum'.
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// This is why we don't check for that in the expected output.
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void test(TestEnum input) {
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printf("%d", input); // no-warning
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printf("%d", Constant); // no-warning
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printf("%lld", input); // expected-warning-re{{format specifies type 'long long' but the argument has underlying type '{{(unsigned)?}} int'}}
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printf("%lld", Constant); // expected-warning{{format specifies type 'long long'}}
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}
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typedef enum { LongConstant = ~0UL } LongEnum;
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void testLong(LongEnum input) {
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printf("%u", input); // expected-warning{{format specifies type 'unsigned int' but the argument has underlying type}}
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printf("%u", LongConstant); // expected-warning{{format specifies type 'unsigned int'}}
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printf("%lu", input);
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printf("%lu", LongConstant);
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}
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