| //===- unittest/Tooling/RecursiveASTVisitorTests/LambdaTemplateParams.cpp -===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "TestVisitor.h" |
| |
| using namespace clang; |
| |
| namespace { |
| |
| // Matches (optional) explicit template parameters. |
| class LambdaTemplateParametersVisitor |
| : public ExpectedLocationVisitor<LambdaTemplateParametersVisitor> { |
| public: |
| bool shouldVisitImplicitCode() const { return false; } |
| |
| bool VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D) { |
| EXPECT_FALSE(D->isImplicit()); |
| Match(D->getName(), D->getBeginLoc()); |
| return true; |
| } |
| |
| bool VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D) { |
| EXPECT_FALSE(D->isImplicit()); |
| Match(D->getName(), D->getBeginLoc()); |
| return true; |
| } |
| |
| bool VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D) { |
| EXPECT_FALSE(D->isImplicit()); |
| Match(D->getName(), D->getBeginLoc()); |
| return true; |
| } |
| }; |
| |
| TEST(RecursiveASTVisitor, VisitsLambdaExplicitTemplateParameters) { |
| LambdaTemplateParametersVisitor Visitor; |
| Visitor.ExpectMatch("T", 2, 15); |
| Visitor.ExpectMatch("I", 2, 24); |
| Visitor.ExpectMatch("TT", 2, 31); |
| EXPECT_TRUE(Visitor.runOver( |
| "void f() { \n" |
| " auto l = []<class T, int I, template<class> class TT>(auto p) { }; \n" |
| "}", |
| LambdaTemplateParametersVisitor::Lang_CXX2a)); |
| } |
| |
| } // end anonymous namespace |