6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
49 lines
2.0 KiB
C++
49 lines
2.0 KiB
C++
//===--- ForRangeCopyCheck.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_FORRANGECOPYCHECK_H
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#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_FORRANGECOPYCHECK_H
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#include "../ClangTidyCheck.h"
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namespace clang::tidy::performance {
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/// A check that detects copied loop variables and suggests using const
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/// references.
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/// For the user-facing documentation see:
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/// http://clang.llvm.org/extra/clang-tidy/checks/performance/for-range-copy.html
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class ForRangeCopyCheck : public ClangTidyCheck {
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public:
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ForRangeCopyCheck(StringRef Name, ClangTidyContext *Context);
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bool isLanguageVersionSupported(const LangOptions &LangOpts) const override{
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return LangOpts.CPlusPlus11;
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}
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void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
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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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private:
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// Checks if the loop variable is a const value and expensive to copy. If so
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// suggests it be converted to a const reference.
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bool handleConstValueCopy(const VarDecl &LoopVar, ASTContext &Context);
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// Checks if the loop variable is a non-const value and whether only
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// const methods are invoked on it or whether it is only used as a const
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// reference argument. If so it suggests it be made a const reference.
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bool handleCopyIsOnlyConstReferenced(const VarDecl &LoopVar,
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const CXXForRangeStmt &ForRange,
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ASTContext &Context);
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const bool WarnOnAllAutoCopies;
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const std::vector<StringRef> AllowedTypes;
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};
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} // namespace clang::tidy::performance
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#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_FORRANGECOPYCHECK_H
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