forked from OSchip/llvm-project
52 lines
2.1 KiB
C++
52 lines
2.1 KiB
C++
//===--- InefficientVectorOperationCheck.h - clang-tidy----------*- C++ -*-===//
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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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#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_INEFFICIENT_VECTOR_OPERATION_H
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#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_INEFFICIENT_VECTOR_OPERATION_H
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#include "../ClangTidyCheck.h"
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namespace clang {
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namespace tidy {
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namespace performance {
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/// Finds possible inefficient `std::vector` operations (e.g. `push_back`) in
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/// for loops that may cause unnecessary memory reallocations.
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///
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/// When EnableProto, also finds calls that add element to protobuf repeated
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/// field without calling Reserve() first.
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///
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/// For the user-facing documentation see:
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/// http://clang.llvm.org/extra/clang-tidy/checks/performance-inefficient-vector-operation.html
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class InefficientVectorOperationCheck : public ClangTidyCheck {
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public:
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InefficientVectorOperationCheck(StringRef Name, ClangTidyContext *Context);
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bool isLanguageVersionSupported(const LangOptions &LangOpts) const override{
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return LangOpts.CPlusPlus;
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}
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void registerMatchers(ast_matchers::MatchFinder *Finder) override;
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void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
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void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
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private:
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void AddMatcher(const ast_matchers::DeclarationMatcher &TargetRecordDecl,
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StringRef VarDeclName, StringRef VarDeclStmtName,
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const ast_matchers::DeclarationMatcher &AppendMethodDecl,
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StringRef AppendCallName, ast_matchers::MatchFinder *Finder);
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const std::vector<std::string> VectorLikeClasses;
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// If true, also check inefficient operations for proto repeated fields.
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bool EnableProto;
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};
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} // namespace performance
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} // namespace tidy
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} // namespace clang
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#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_INEFFICIENT_VECTOR_OPERATION_H
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