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Reland "[AST] Traverse the class type loc inside the member type loc.""
Summary: added a unittest which causes "TL.getClassTInfo" is null. Reviewers: ilya-biryukov Subscribers: mgorny, jkorous, arphaman, kadircet, usaxena95, cfe-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D71186
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clang/unittests/Tooling/RecursiveASTVisitorTests/MemberPointerTypeLoc.cpp
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//===- unittest/Tooling/RecursiveASTVisitorTests/MemberPointerTypeLoc.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 | ||
// | ||
//===----------------------------------------------------------------------===// | ||
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#include "TestVisitor.h" | ||
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using namespace clang; | ||
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namespace { | ||
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class MemberPointerTypeLocVisitor | ||
: public ExpectedLocationVisitor<MemberPointerTypeLocVisitor> { | ||
public: | ||
bool VisitTemplateTypeParmTypeLoc(TemplateTypeParmTypeLoc TL) { | ||
if (!TL) | ||
return true; | ||
Match(TL.getDecl()->getName(), TL.getNameLoc()); | ||
return true; | ||
} | ||
bool VisitRecordTypeLoc(RecordTypeLoc RTL) { | ||
if (!RTL) | ||
return true; | ||
Match(RTL.getDecl()->getName(), RTL.getNameLoc()); | ||
return true; | ||
} | ||
}; | ||
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TEST(RecursiveASTVisitor, VisitTypeLocInMemberPointerTypeLoc) { | ||
MemberPointerTypeLocVisitor Visitor; | ||
Visitor.ExpectMatch("Bar", 4, 36); | ||
Visitor.ExpectMatch("T", 7, 23); | ||
EXPECT_TRUE(Visitor.runOver(R"cpp( | ||
class Bar { void func(int); }; | ||
class Foo { | ||
void bind(const char*, void(Bar::*Foo)(int)) {} | ||
template<typename T> | ||
void test(void(T::*Foo)()); | ||
}; | ||
)cpp")); | ||
} | ||
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TEST(RecursiveASTVisitor, NoCrash) { | ||
MemberPointerTypeLocVisitor Visitor; | ||
EXPECT_FALSE(Visitor.runOver(R"cpp( | ||
// MemberPointerTypeLoc.getClassTInfo() is null. | ||
class a(b(a::*)) class | ||
)cpp")); | ||
} | ||
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} // end anonymous namespace |