clang/test/AST/ast-dump-using-enum.cpp

   1 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -std=c++20 -ast-dump -ast-dump-filter Foo %s | FileCheck -strict-whitespace %s
   2
   3 // Test with serialization:
   4 // RUN: %clang_cc1 -std=c++20 -triple x86_64-unknown-unknown -emit-pch -o %t %s
   5 // RUN: %clang_cc1 -x c++ -std=c++20 -triple x86_64-unknown-unknown -include-pch %t \
   6 // RUN: -ast-dump-all -ast-dump-filter Foo /dev/null \
   7 // RUN: | FileCheck --strict-whitespace %s
   8
   9 namespace Bob {
  10 enum class Foo {
  11   Foo_a,
  12   Foo_b
  13 };
  14 }; // namespace Bob
  15
  16 using enum Bob::Foo;
  17
  18 // CHECK-LABEL: Dumping Bob::Foo
  19 // CHECK-NEXT: EnumDecl {{.*}} class Foo 'int'
  20 // CHECK-NEXT: |-EnumConstantDecl {{.*}} Foo_a 'Bob::Foo'
  21 // CHECK-NEXT: `-EnumConstantDecl {{.*}} Foo_b 'Bob::Foo'
  22
  23 // CHECK-LABEL: Dumping Foo:
  24 // CHECK-NEXT: UsingEnumDecl {{.*}} <{{.*}}:16:1, col:17> {{.*}} Enum {{.*}} 'Foo'
  25
  26 // CHECK-LABEL: Dumping Foo_a:
  27 // CHECK-NEXT: UsingShadowDecl {{.*}} implicit EnumConstant {{.*}} 'Foo_a' 'Bob::Foo'
  28
  29 // CHECK-LABEL: Dumping Foo_b:
  30 // CHECK-NEXT: UsingShadowDecl {{.*}} implicit EnumConstant {{.*}} 'Foo_b' 'Bob::Foo'