56 lines · cpp
1// RUN: %clang_cc1 -std=c++23 %s -ast-dump -triple x86_64-unknown-unknown -o - | FileCheck -strict-whitespace %s2 3struct Functor {4 static int operator()(int x, int y) {5 return x + y;6 }7 static int operator[](int x, int y) {8 return x + y;9 }10};11 12Functor& get_functor() {13 static Functor functor;14 return functor;15}16 17void call_static_operators() {18 Functor functor;19 20 int z1 = functor(1, 2);21 // CHECK: CXXOperatorCallExpr {{.*}} 'int' '()'22 // CHECK-NEXT: |-ImplicitCastExpr {{.*}} <col:19, col:24> 'int (*)(int, int)' <FunctionToPointerDecay>23 // CHECK-NEXT: | `-DeclRefExpr {{.*}} <col:19, col:24> 'int (int, int)' lvalue CXXMethod {{.*}} 'operator()' 'int (int, int)'24 // CHECK-NEXT: |-DeclRefExpr {{.*}} <col:12> 'Functor' lvalue Var {{.*}} 'functor' 'Functor'25 // CHECK-NEXT: |-IntegerLiteral {{.*}} <col:20> 'int' 126 // CHECK-NEXT: `-IntegerLiteral {{.*}} <col:23> 'int' 227 28 int z2 = functor[1, 2];29 // CHECK: CXXOperatorCallExpr {{.*}} 'int' '[]'30 // CHECK-NEXT: |-ImplicitCastExpr {{.*}} <col:19, col:24> 'int (*)(int, int)' <FunctionToPointerDecay>31 // CHECK-NEXT: | `-DeclRefExpr {{.*}} <col:19, col:24> 'int (int, int)' lvalue CXXMethod {{.*}} 'operator[]' 'int (int, int)'32 // CHECK-NEXT: |-DeclRefExpr {{.*}} <col:12> 'Functor' lvalue Var {{.*}} 'functor' 'Functor'33 // CHECK-NEXT: |-IntegerLiteral {{.*}} <col:20> 'int' 134 // CHECK-NEXT: `-IntegerLiteral {{.*}} <col:23> 'int' 235 36 int z3 = get_functor()(1, 2);37 // CHECK: CXXOperatorCallExpr {{.*}} 'int' '()'38 // CHECK-NEXT: |-ImplicitCastExpr {{.*}} <col:25, col:30> 'int (*)(int, int)' <FunctionToPointerDecay>39 // CHECK-NEXT: | `-DeclRefExpr {{.*}} <col:25, col:30> 'int (int, int)' lvalue CXXMethod {{.*}} 'operator()' 'int (int, int)'40 // CHECK-NEXT: |-CallExpr {{.*}} <col:12, col:24> 'Functor' lvalue41 // CHECK-NEXT: | `-ImplicitCastExpr {{.*}} <col:12> 'Functor &(*)()' <FunctionToPointerDecay>42 // CHECK-NEXT: | `-DeclRefExpr {{.*}} <col:12> 'Functor &()' lvalue Function {{.*}} 'get_functor' 'Functor &()'43 // CHECK-NEXT: |-IntegerLiteral {{.*}} <col:26> 'int' 144 // CHECK-NEXT: `-IntegerLiteral {{.*}} <col:29> 'int' 245 46 int z4 = get_functor()[1, 2];47 // CHECK: CXXOperatorCallExpr {{.*}} 'int' '[]'48 // CHECK-NEXT: |-ImplicitCastExpr {{.*}} <col:25, col:30> 'int (*)(int, int)' <FunctionToPointerDecay>49 // CHECK-NEXT: | `-DeclRefExpr {{.*}} <col:25, col:30> 'int (int, int)' lvalue CXXMethod {{.*}} 'operator[]' 'int (int, int)'50 // CHECK-NEXT: |-CallExpr {{.*}} <col:12, col:24> 'Functor' lvalue51 // CHECK-NEXT: | `-ImplicitCastExpr {{.*}} <col:12> 'Functor &(*)()' <FunctionToPointerDecay>52 // CHECK-NEXT: | `-DeclRefExpr {{.*}} <col:12> 'Functor &()' lvalue Function {{.*}} 'get_functor' 'Functor &()'53 // CHECK-NEXT: |-IntegerLiteral {{.*}} <col:26> 'int' 154 // CHECK-NEXT: `-IntegerLiteral {{.*}} <col:29> 'int' 255}56