| 1 | //===- unittest/Tooling/RecursiveASTVisitorTests/CXXMemberCall.cpp --------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "TestVisitor.h" |
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| 10 | |
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| 11 | using namespace clang; |
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| 12 | |
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| 13 | namespace { |
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| 14 | |
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| 15 | class CXXMemberCallVisitor : public ExpectedLocationVisitor { |
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| 16 | public: |
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| 17 | bool VisitCXXMemberCallExpr(CXXMemberCallExpr *Call) override { |
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| 18 | Match(Name: Call->getMethodDecl()->getQualifiedNameAsString(), |
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| 19 | Location: Call->getBeginLoc()); |
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| 20 | return true; |
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| 21 | } |
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| 22 | }; |
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| 23 | |
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| 24 | TEST(RecursiveASTVisitor, VisitsCallInTemplateInstantiation) { |
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| 25 | CXXMemberCallVisitor Visitor; |
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| 26 | Visitor.ExpectMatch("Y::x" , 3, 3); |
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| 27 | EXPECT_TRUE(Visitor.runOver( |
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| 28 | "struct Y { void x(); };\n" |
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| 29 | "template<typename T> void y(T t) {\n" |
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| 30 | " t.x();\n" |
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| 31 | "}\n" |
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| 32 | "void foo() { y<Y>(Y()); }" )); |
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| 33 | } |
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| 34 | |
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| 35 | TEST(RecursiveASTVisitor, VisitsCallInNestedFunctionTemplateInstantiation) { |
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| 36 | CXXMemberCallVisitor Visitor; |
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| 37 | Visitor.ExpectMatch("Y::x" , 4, 5); |
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| 38 | EXPECT_TRUE(Visitor.runOver( |
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| 39 | "struct Y { void x(); };\n" |
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| 40 | "template<typename T> struct Z {\n" |
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| 41 | " template<typename U> static void f() {\n" |
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| 42 | " T().x();\n" |
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| 43 | " }\n" |
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| 44 | "};\n" |
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| 45 | "void foo() { Z<Y>::f<int>(); }" )); |
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| 46 | } |
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| 47 | |
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| 48 | TEST(RecursiveASTVisitor, VisitsCallInNestedClassTemplateInstantiation) { |
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| 49 | CXXMemberCallVisitor Visitor; |
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| 50 | Visitor.ExpectMatch("A::x" , 5, 7); |
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| 51 | EXPECT_TRUE(Visitor.runOver( |
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| 52 | "template <typename T1> struct X {\n" |
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| 53 | " template <typename T2> struct Y {\n" |
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| 54 | " void f() {\n" |
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| 55 | " T2 y;\n" |
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| 56 | " y.x();\n" |
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| 57 | " }\n" |
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| 58 | " };\n" |
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| 59 | "};\n" |
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| 60 | "struct A { void x(); };\n" |
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| 61 | "int main() {\n" |
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| 62 | " (new X<A>::Y<A>())->f();\n" |
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| 63 | "}" )); |
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| 64 | } |
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| 65 | |
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| 66 | TEST(RecursiveASTVisitor, VisitsCallInPartialTemplateSpecialization) { |
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| 67 | CXXMemberCallVisitor Visitor; |
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| 68 | Visitor.ExpectMatch("A::x" , 6, 20); |
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| 69 | EXPECT_TRUE(Visitor.runOver( |
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| 70 | "template <typename T1> struct X {\n" |
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| 71 | " template <typename T2, bool B> struct Y { void g(); };\n" |
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| 72 | "};\n" |
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| 73 | "template <typename T1> template <typename T2>\n" |
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| 74 | "struct X<T1>::Y<T2, true> {\n" |
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| 75 | " void f() { T2 y; y.x(); }\n" |
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| 76 | "};\n" |
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| 77 | "struct A { void x(); };\n" |
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| 78 | "int main() {\n" |
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| 79 | " (new X<A>::Y<A, true>())->f();\n" |
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| 80 | "}\n" )); |
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| 81 | } |
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| 82 | |
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| 83 | TEST(RecursiveASTVisitor, VisitsExplicitTemplateSpecialization) { |
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| 84 | CXXMemberCallVisitor Visitor; |
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| 85 | Visitor.ExpectMatch("A::f" , 4, 5); |
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| 86 | EXPECT_TRUE(Visitor.runOver( |
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| 87 | "struct A {\n" |
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| 88 | " void f() const {}\n" |
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| 89 | " template<class T> void g(const T& t) const {\n" |
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| 90 | " t.f();\n" |
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| 91 | " }\n" |
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| 92 | "};\n" |
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| 93 | "template void A::g(const A& a) const;\n" )); |
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| 94 | } |
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| 95 | |
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| 96 | } // end anonymous namespace |
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| 97 | |
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