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// RUN: %check_clang_tidy %s bugprone-lambda-function-name %t
void Foo(const char* a, const char* b, int c) {}
#define FUNC_MACRO Foo(__func__, "", 0)
#define FUNCTION_MACRO Foo(__FUNCTION__, "", 0)
#define EMBED_IN_ANOTHER_MACRO1 FUNC_MACRO
void Positives() {
[] { __func__; }();
// CHECK-MESSAGES: :[[@LINE-1]]:8: warning: inside a lambda, '__func__' expands to the name of the function call operator; consider capturing the name of the enclosing function explicitly [bugprone-lambda-function-name]
[] { __FUNCTION__; }();
// CHECK-MESSAGES: :[[@LINE-1]]:8: warning: inside a lambda, '__FUNCTION__' expands to the name of the function call operator; consider capturing the name of the enclosing function explicitly [bugprone-lambda-function-name]
[] { FUNC_MACRO; }();
// CHECK-MESSAGES: :[[@LINE-1]]:8: warning: inside a lambda, '__func__' expands to the name of the function call operator; consider capturing the name of the enclosing function explicitly [bugprone-lambda-function-name]
[] { FUNCTION_MACRO; }();
// CHECK-MESSAGES: :[[@LINE-1]]:8: warning: inside a lambda, '__FUNCTION__' expands to the name of the function call operator; consider capturing the name of the enclosing function explicitly [bugprone-lambda-function-name]
[] { EMBED_IN_ANOTHER_MACRO1; }();
// CHECK-MESSAGES: :[[@LINE-1]]:8: warning: inside a lambda, '__func__' expands to the name of the function call operator; consider capturing the name of the enclosing function explicitly [bugprone-lambda-function-name]
}
#define FUNC_MACRO_WITH_FILE_AND_LINE Foo(__func__, __FILE__, __LINE__)
#define FUNCTION_MACRO_WITH_FILE_AND_LINE Foo(__FUNCTION__, __FILE__, __LINE__)
#define EMBED_IN_ANOTHER_MACRO2 FUNC_MACRO_WITH_FILE_AND_LINE
void Negatives() {
__func__;
__FUNCTION__;
// __PRETTY_FUNCTION__ should not trigger a warning because its value is
// actually potentially useful.
__PRETTY_FUNCTION__;
[] { __PRETTY_FUNCTION__; }();
// Don't warn if __func__/__FUNCTION is used inside a macro that also uses
// __FILE__ and __LINE__, on the assumption that __FILE__ and __LINE__ will
// be useful even if __func__/__FUNCTION__ is not.
[] { FUNC_MACRO_WITH_FILE_AND_LINE; }();
[] { FUNCTION_MACRO_WITH_FILE_AND_LINE; }();
[] { EMBED_IN_ANOTHER_MACRO2; }();
}
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