55 lines
2.8 KiB
C++
55 lines
2.8 KiB
C++
// RUN: %clang_cc1 -std=c++23 %s -ast-dump -triple x86_64-unknown-unknown -o - | FileCheck -strict-whitespace %s
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struct Functor {
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static int operator()(int x, int y) {
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return x + y;
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}
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static int operator[](int x, int y) {
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return x + y;
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}
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};
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Functor& get_functor() {
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static Functor functor;
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return functor;
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}
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void call_static_operators() {
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Functor functor;
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int z1 = functor(1, 2);
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// CHECK: CXXOperatorCallExpr {{.*}} 'int' '()'
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// CHECK-NEXT: |-ImplicitCastExpr {{.*}} <col:19, col:24> 'int (*)(int, int)' <FunctionToPointerDecay>
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// CHECK-NEXT: | `-DeclRefExpr {{.*}} <col:19, col:24> 'int (int, int)' lvalue CXXMethod {{.*}} 'operator()' 'int (int, int)'
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// CHECK-NEXT: |-DeclRefExpr {{.*}} <col:12> 'Functor' lvalue Var {{.*}} 'functor' 'Functor'
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// CHECK-NEXT: |-IntegerLiteral {{.*}} <col:20> 'int' 1
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// CHECK-NEXT: `-IntegerLiteral {{.*}} <col:23> 'int' 2
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int z2 = functor[1, 2];
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// CHECK: CXXOperatorCallExpr {{.*}} 'int' '[]'
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// CHECK-NEXT: |-ImplicitCastExpr {{.*}} <col:19, col:24> 'int (*)(int, int)' <FunctionToPointerDecay>
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// CHECK-NEXT: | `-DeclRefExpr {{.*}} <col:19, col:24> 'int (int, int)' lvalue CXXMethod {{.*}} 'operator[]' 'int (int, int)'
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// CHECK-NEXT: |-DeclRefExpr {{.*}} <col:12> 'Functor' lvalue Var {{.*}} 'functor' 'Functor'
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// CHECK-NEXT: |-IntegerLiteral {{.*}} <col:20> 'int' 1
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// CHECK-NEXT: `-IntegerLiteral {{.*}} <col:23> 'int' 2
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int z3 = get_functor()(1, 2);
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// CHECK: CXXOperatorCallExpr {{.*}} 'int' '()'
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// CHECK-NEXT: |-ImplicitCastExpr {{.*}} <col:25, col:30> 'int (*)(int, int)' <FunctionToPointerDecay>
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// CHECK-NEXT: | `-DeclRefExpr {{.*}} <col:25, col:30> 'int (int, int)' lvalue CXXMethod {{.*}} 'operator()' 'int (int, int)'
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// CHECK-NEXT: |-CallExpr {{.*}} <col:12, col:24> 'Functor' lvalue
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// CHECK-NEXT: | `-ImplicitCastExpr {{.*}} <col:12> 'Functor &(*)()' <FunctionToPointerDecay>
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// CHECK-NEXT: | `-DeclRefExpr {{.*}} <col:12> 'Functor &()' lvalue Function {{.*}} 'get_functor' 'Functor &()'
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// CHECK-NEXT: |-IntegerLiteral {{.*}} <col:26> 'int' 1
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// CHECK-NEXT: `-IntegerLiteral {{.*}} <col:29> 'int' 2
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int z4 = get_functor()[1, 2];
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// CHECK: CXXOperatorCallExpr {{.*}} 'int' '[]'
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// CHECK-NEXT: |-ImplicitCastExpr {{.*}} <col:25, col:30> 'int (*)(int, int)' <FunctionToPointerDecay>
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// CHECK-NEXT: | `-DeclRefExpr {{.*}} <col:25, col:30> 'int (int, int)' lvalue CXXMethod {{.*}} 'operator[]' 'int (int, int)'
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// CHECK-NEXT: |-CallExpr {{.*}} <col:12, col:24> 'Functor' lvalue
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// CHECK-NEXT: | `-ImplicitCastExpr {{.*}} <col:12> 'Functor &(*)()' <FunctionToPointerDecay>
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// CHECK-NEXT: | `-DeclRefExpr {{.*}} <col:12> 'Functor &()' lvalue Function {{.*}} 'get_functor' 'Functor &()'
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// CHECK-NEXT: |-IntegerLiteral {{.*}} <col:26> 'int' 1
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// CHECK-NEXT: `-IntegerLiteral {{.*}} <col:29> 'int' 2
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}
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