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//===- 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 {
public:
LambdaTemplateParametersVisitor() { ShouldVisitImplicitCode = false; }
bool VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D) override {
EXPECT_FALSE(D->isImplicit());
Match(D->getName(), D->getBeginLoc());
return true;
}
bool VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D) override {
EXPECT_FALSE(D->isImplicit());
Match(D->getName(), D->getBeginLoc());
return true;
}
bool VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D) override {
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
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