1 //===- unittest/Tooling/RecursiveASTVisitorTestCallVisitor.cpp ------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "TestVisitor.h"
12 using namespace clang;
16 class CXXMemberCallVisitor
17 : public ExpectedLocationVisitor<CXXMemberCallVisitor> {
19 bool VisitCXXMemberCallExpr(CXXMemberCallExpr *Call) {
20 Match(Call->getMethodDecl()->getQualifiedNameAsString(),
26 TEST(RecursiveASTVisitor, VisitsCallInTemplateInstantiation) {
27 CXXMemberCallVisitor Visitor;
28 Visitor.ExpectMatch("Y::x", 3, 3);
29 EXPECT_TRUE(Visitor.runOver(
30 "struct Y { void x(); };\n"
31 "template<typename T> void y(T t) {\n"
34 "void foo() { y<Y>(Y()); }"));
37 TEST(RecursiveASTVisitor, VisitsCallInNestedFunctionTemplateInstantiation) {
38 CXXMemberCallVisitor Visitor;
39 Visitor.ExpectMatch("Y::x", 4, 5);
40 EXPECT_TRUE(Visitor.runOver(
41 "struct Y { void x(); };\n"
42 "template<typename T> struct Z {\n"
43 " template<typename U> static void f() {\n"
47 "void foo() { Z<Y>::f<int>(); }"));
50 TEST(RecursiveASTVisitor, VisitsCallInNestedClassTemplateInstantiation) {
51 CXXMemberCallVisitor Visitor;
52 Visitor.ExpectMatch("A::x", 5, 7);
53 EXPECT_TRUE(Visitor.runOver(
54 "template <typename T1> struct X {\n"
55 " template <typename T2> struct Y {\n"
62 "struct A { void x(); };\n"
64 " (new X<A>::Y<A>())->f();\n"
68 TEST(RecursiveASTVisitor, VisitsCallInPartialTemplateSpecialization) {
69 CXXMemberCallVisitor Visitor;
70 Visitor.ExpectMatch("A::x", 6, 20);
71 EXPECT_TRUE(Visitor.runOver(
72 "template <typename T1> struct X {\n"
73 " template <typename T2, bool B> struct Y { void g(); };\n"
75 "template <typename T1> template <typename T2>\n"
76 "struct X<T1>::Y<T2, true> {\n"
77 " void f() { T2 y; y.x(); }\n"
79 "struct A { void x(); };\n"
81 " (new X<A>::Y<A, true>())->f();\n"
85 TEST(RecursiveASTVisitor, VisitsExplicitTemplateSpecialization) {
86 CXXMemberCallVisitor Visitor;
87 Visitor.ExpectMatch("A::f", 4, 5);
88 EXPECT_TRUE(Visitor.runOver(
90 " void f() const {}\n"
91 " template<class T> void g(const T& t) const {\n"
95 "template void A::g(const A& a) const;\n"));
98 class CXXOperatorCallExprTraverser
99 : public ExpectedLocationVisitor<CXXOperatorCallExprTraverser> {
101 // Use Traverse, not Visit, to check that data recursion optimization isn't
102 // bypassing the call of this function.
103 bool TraverseCXXOperatorCallExpr(CXXOperatorCallExpr *CE) {
104 Match(getOperatorSpelling(CE->getOperator()), CE->getExprLoc());
105 return ExpectedLocationVisitor<CXXOperatorCallExprTraverser>::
106 TraverseCXXOperatorCallExpr(CE);
110 TEST(RecursiveASTVisitor, TraversesOverloadedOperator) {
111 CXXOperatorCallExprTraverser Visitor;
112 Visitor.ExpectMatch("()", 4, 9);
113 EXPECT_TRUE(Visitor.runOver(
115 " int operator()();\n"
120 } // end anonymous namespace