xref: /llvm-project/clang/unittests/Tooling/CRTPTestVisitor.h (revision 4e600751d2f7e8e7b85a71b7128b68444bdde91b)
1 //===--- TestVisitor.h ------------------------------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 ///
9 /// \file
10 /// \brief Defines a CRTP-based RecursiveASTVisitor helper for tests.
11 ///
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef LLVM_CLANG_UNITTESTS_TOOLING_CRTPTESTVISITOR_H
15 #define LLVM_CLANG_UNITTESTS_TOOLING_CRTPTESTVISITOR_H
16 
17 #include "TestVisitor.h"
18 #include "clang/AST/RecursiveASTVisitor.h"
19 
20 // CRTP versions of the visitors in TestVisitor.h.
21 namespace clang {
22 template <typename T>
23 class CRTPTestVisitor : public RecursiveASTVisitor<T>,
24                         public detail::TestVisitorHelper {
25 public:
26   bool shouldVisitTemplateInstantiations() const { return true; }
27   bool shouldVisitImplicitCode() const { return true; }
28 
29   void InvokeTraverseDecl(TranslationUnitDecl *D) override {
30     RecursiveASTVisitor<T>::TraverseDecl(D);
31   }
32 };
33 
34 template <typename T>
35 class CRTPExpectedLocationVisitor
36     : public CRTPTestVisitor<T>,
37       public detail::ExpectedLocationVisitorHelper {
38   ASTContext *getASTContext() override { return this->Context; }
39 };
40 } // namespace clang
41 
42 #endif // LLVM_CLANG_UNITTESTS_TOOLING_CRTPTESTVISITOR_H
43