llvm-project/clang/unittests/Tooling/RecursiveASTVisitorTests/LambdaTemplateParams.cpp

54 lines
1.5 KiB
C++

//===- unittest/Tooling/RecursiveASTVisitorTests/LambdaTemplateParams.cpp -===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#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