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a704d4bb27
Summary: This check flags all usages of static_cast, where a base class is casted to a derived class. In those cases, a fixit is provided to convert the cast to a dynamic_cast. Use of these casts can violate type safety and cause the program to access a variable that is actually of type X to be accessed as if it were of an unrelated type Z. This rule is part of the "Type safety" profile of the C++ Core Guidelines, see https://github.com/isocpp/CppCoreGuidelines/blob/master/CppCoreGuidelines.md#-type2-dont-use-static_cast-downcasts-use-dynamic_cast-instead Depends on D13313 Reviewers: alexfh, sbenza, bkramer, aaron.ballman Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D13368 llvm-svn: 250098
46 lines
1.6 KiB
C++
46 lines
1.6 KiB
C++
//===--- CppCoreGuidelinesModule.cpp - clang-tidy -------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "../ClangTidy.h"
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#include "../ClangTidyModule.h"
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#include "../ClangTidyModuleRegistry.h"
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#include "ProTypeConstCastCheck.h"
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#include "ProTypeReinterpretCastCheck.h"
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#include "ProTypeStaticCastDowncastCheck.h"
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namespace clang {
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namespace tidy {
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namespace cppcoreguidelines {
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/// A module containing checks of the C++ Core Guidelines
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class CppCoreGuidelinesModule : public ClangTidyModule {
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public:
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void addCheckFactories(ClangTidyCheckFactories &CheckFactories) override {
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CheckFactories.registerCheck<ProTypeConstCastCheck>(
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"cppcoreguidelines-pro-type-const-cast");
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CheckFactories.registerCheck<ProTypeReinterpretCastCheck>(
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"cppcoreguidelines-pro-type-reinterpret-cast");
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CheckFactories.registerCheck<ProTypeStaticCastDowncastCheck>(
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"cppcoreguidelines-pro-type-static-cast-downcast");
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}
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};
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// Register the LLVMTidyModule using this statically initialized variable.
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static ClangTidyModuleRegistry::Add<CppCoreGuidelinesModule>
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X("cppcoreguidelines-module", "Adds checks for the C++ Core Guidelines.");
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} // namespace cppcoreguidelines
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// This anchor is used to force the linker to link in the generated object file
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// and thus register the CppCoreGuidelinesModule.
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volatile int CppCoreGuidelinesModuleAnchorSource = 0;
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} // namespace tidy
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} // namespace clang
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