llvm-project/clang/test/CXX/drs/dr177x.cpp

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2.9 KiB
C++

// RUN: %clang_cc1 -std=c++98 %s -fexceptions -fcxx-exceptions -pedantic-errors -ast-dump | FileCheck %s
// RUN: %clang_cc1 -std=c++11 %s -fexceptions -fcxx-exceptions -pedantic-errors -ast-dump | FileCheck %s --check-prefixes=CHECK,CXX11
// RUN: %clang_cc1 -std=c++14 %s -fexceptions -fcxx-exceptions -pedantic-errors -ast-dump | FileCheck %s --check-prefixes=CHECK,CXX11,CXX14
// RUN: %clang_cc1 -std=c++1z %s -fexceptions -fcxx-exceptions -pedantic-errors -ast-dump | FileCheck %s --check-prefixes=CHECK,CXX11,CXX14
namespace dr1772 { // dr1772: 14
// __func__ in a lambda should name operator(), not the containing function.
// CHECK: NamespaceDecl{{.+}}dr1772
#if __cplusplus >= 201103L
auto x = []() { __func__; };
// CXX11: LambdaExpr
// CXX11: CXXRecordDecl
// CXX11: CXXMethodDecl{{.+}} operator() 'void () const'
// CXX11-NEXT: CompoundStmt
// CXX11-NEXT: PredefinedExpr{{.+}} 'const char [11]' lvalue __func__
// CXX11-NEXT: StringLiteral{{.+}} 'const char [11]' lvalue "operator()"
void func() {
// CXX11: FunctionDecl{{.+}} func
(void)[]() { __func__; };
// CXX11-NEXT: CompoundStmt
// CXX11: LambdaExpr
// CXX11: CXXRecordDecl
// CXX11: CXXMethodDecl{{.+}} operator() 'void () const'
// CXX11-NEXT: CompoundStmt
// CXX11-NEXT: PredefinedExpr{{.+}} 'const char [11]' lvalue __func__
// CXX11-NEXT: StringLiteral{{.+}} 'const char [11]' lvalue "operator()"
}
#endif // __cplusplus >= 201103L
}
namespace dr1779 { // dr1779: 14
// __func__ in a function template, member function template, or generic
// lambda should have a dependent type.
// CHECK: NamespaceDecl{{.+}}dr1779
template<typename T>
void FuncTemplate() {
__func__;
// CHECK: FunctionDecl{{.+}} FuncTemplate
// CHECK-NEXT: CompoundStmt
// CHECK-NEXT: PredefinedExpr{{.+}} '<dependent type>' lvalue __func__
}
template<typename T>
class ClassTemplate {
// CHECK: ClassTemplateDecl{{.+}} ClassTemplate
void MemFunc() {
// CHECK: CXXMethodDecl{{.+}} MemFunc 'void ()'
// CHECK-NEXT: CompoundStmt
// CHECK-NEXT: PredefinedExpr{{.+}} '<dependent type>' lvalue __func__
__func__;
}
void OutOfLineMemFunc();
};
template <typename T> void ClassTemplate<T>::OutOfLineMemFunc() {
// CHECK: CXXMethodDecl{{.+}}parent{{.+}} OutOfLineMemFunc 'void ()'
// CHECK-NEXT: CompoundStmt
// CHECK-NEXT: PredefinedExpr{{.+}} '<dependent type>' lvalue __func__
__func__;
}
#if __cplusplus >= 201402L
void contains_generic_lambda() {
// CXX14: FunctionDecl{{.+}}contains_generic_lambda
// CXX14: LambdaExpr
// CXX14: CXXRecordDecl
// CXX14: CXXMethodDecl{{.+}} operator() 'auto (auto) const'
// CXX14-NEXT: ParmVarDecl
// CXX14-NEXT: CompoundStmt
// CXX14-NEXT: PredefinedExpr{{.+}} '<dependent type>' lvalue __func__
(void)[](auto x) {
__func__;
};
}
#endif // __cplusplus >= 201402L
}