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| //===- unittest/Tooling/RecursiveASTVisitorTests/CXXMemberCall.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 {
class CXXMemberCallVisitor
: public ExpectedLocationVisitor<CXXMemberCallVisitor> {
public:
bool VisitCXXMemberCallExpr(CXXMemberCallExpr *Call) {
Match(Call->getMethodDecl()->getQualifiedNameAsString(),
Call->getBeginLoc());
return true;
}
};
TEST(RecursiveASTVisitor, VisitsCallInTemplateInstantiation) {
CXXMemberCallVisitor Visitor;
Visitor.ExpectMatch("Y::x", 3, 3);
EXPECT_TRUE(Visitor.runOver(
"struct Y { void x(); };\n"
"template<typename T> void y(T t) {\n"
" t.x();\n"
"}\n"
"void foo() { y<Y>(Y()); }"));
}
TEST(RecursiveASTVisitor, VisitsCallInNestedFunctionTemplateInstantiation) {
CXXMemberCallVisitor Visitor;
Visitor.ExpectMatch("Y::x", 4, 5);
EXPECT_TRUE(Visitor.runOver(
"struct Y { void x(); };\n"
"template<typename T> struct Z {\n"
" template<typename U> static void f() {\n"
" T().x();\n"
" }\n"
"};\n"
"void foo() { Z<Y>::f<int>(); }"));
}
TEST(RecursiveASTVisitor, VisitsCallInNestedClassTemplateInstantiation) {
CXXMemberCallVisitor Visitor;
Visitor.ExpectMatch("A::x", 5, 7);
EXPECT_TRUE(Visitor.runOver(
"template <typename T1> struct X {\n"
" template <typename T2> struct Y {\n"
" void f() {\n"
" T2 y;\n"
" y.x();\n"
" }\n"
" };\n"
"};\n"
"struct A { void x(); };\n"
"int main() {\n"
" (new X<A>::Y<A>())->f();\n"
"}"));
}
TEST(RecursiveASTVisitor, VisitsCallInPartialTemplateSpecialization) {
CXXMemberCallVisitor Visitor;
Visitor.ExpectMatch("A::x", 6, 20);
EXPECT_TRUE(Visitor.runOver(
"template <typename T1> struct X {\n"
" template <typename T2, bool B> struct Y { void g(); };\n"
"};\n"
"template <typename T1> template <typename T2>\n"
"struct X<T1>::Y<T2, true> {\n"
" void f() { T2 y; y.x(); }\n"
"};\n"
"struct A { void x(); };\n"
"int main() {\n"
" (new X<A>::Y<A, true>())->f();\n"
"}\n"));
}
TEST(RecursiveASTVisitor, VisitsExplicitTemplateSpecialization) {
CXXMemberCallVisitor Visitor;
Visitor.ExpectMatch("A::f", 4, 5);
EXPECT_TRUE(Visitor.runOver(
"struct A {\n"
" void f() const {}\n"
" template<class T> void g(const T& t) const {\n"
" t.f();\n"
" }\n"
"};\n"
"template void A::g(const A& a) const;\n"));
}
} // end anonymous namespace
|