98 lines
2.7 KiB
C++
98 lines
2.7 KiB
C++
//===- unittest/Tooling/RecursiveASTVisitorTests/CXXMemberCall.cpp --------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "TestVisitor.h"
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using namespace clang;
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namespace {
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class CXXMemberCallVisitor
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: public ExpectedLocationVisitor<CXXMemberCallVisitor> {
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public:
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bool VisitCXXMemberCallExpr(CXXMemberCallExpr *Call) {
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Match(Call->getMethodDecl()->getQualifiedNameAsString(),
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Call->getBeginLoc());
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return true;
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}
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};
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TEST(RecursiveASTVisitor, VisitsCallInTemplateInstantiation) {
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CXXMemberCallVisitor Visitor;
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Visitor.ExpectMatch("Y::x", 3, 3);
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EXPECT_TRUE(Visitor.runOver(
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"struct Y { void x(); };\n"
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"template<typename T> void y(T t) {\n"
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" t.x();\n"
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"}\n"
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"void foo() { y<Y>(Y()); }"));
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}
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TEST(RecursiveASTVisitor, VisitsCallInNestedFunctionTemplateInstantiation) {
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CXXMemberCallVisitor Visitor;
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Visitor.ExpectMatch("Y::x", 4, 5);
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EXPECT_TRUE(Visitor.runOver(
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"struct Y { void x(); };\n"
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"template<typename T> struct Z {\n"
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" template<typename U> static void f() {\n"
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" T().x();\n"
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" }\n"
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"};\n"
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"void foo() { Z<Y>::f<int>(); }"));
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}
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TEST(RecursiveASTVisitor, VisitsCallInNestedClassTemplateInstantiation) {
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CXXMemberCallVisitor Visitor;
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Visitor.ExpectMatch("A::x", 5, 7);
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EXPECT_TRUE(Visitor.runOver(
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"template <typename T1> struct X {\n"
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" template <typename T2> struct Y {\n"
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" void f() {\n"
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" T2 y;\n"
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" y.x();\n"
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" }\n"
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" };\n"
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"};\n"
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"struct A { void x(); };\n"
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"int main() {\n"
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" (new X<A>::Y<A>())->f();\n"
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"}"));
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}
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TEST(RecursiveASTVisitor, VisitsCallInPartialTemplateSpecialization) {
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CXXMemberCallVisitor Visitor;
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Visitor.ExpectMatch("A::x", 6, 20);
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EXPECT_TRUE(Visitor.runOver(
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"template <typename T1> struct X {\n"
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" template <typename T2, bool B> struct Y { void g(); };\n"
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"};\n"
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"template <typename T1> template <typename T2>\n"
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"struct X<T1>::Y<T2, true> {\n"
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" void f() { T2 y; y.x(); }\n"
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"};\n"
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"struct A { void x(); };\n"
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"int main() {\n"
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" (new X<A>::Y<A, true>())->f();\n"
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"}\n"));
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}
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TEST(RecursiveASTVisitor, VisitsExplicitTemplateSpecialization) {
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CXXMemberCallVisitor Visitor;
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Visitor.ExpectMatch("A::f", 4, 5);
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EXPECT_TRUE(Visitor.runOver(
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"struct A {\n"
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" void f() const {}\n"
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" template<class T> void g(const T& t) const {\n"
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" t.f();\n"
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" }\n"
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"};\n"
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"template void A::g(const A& a) const;\n"));
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}
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} // end anonymous namespace
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