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//===--- ConstCorrectnessCheck.h - clang-tidy -------------------*- C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_CONSTCORRECTNESSCHECK_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_CONSTCORRECTNESSCHECK_H
#include "../ClangTidyCheck.h"
#include "clang/Analysis/Analyses/ExprMutationAnalyzer.h"
#include "llvm/ADT/DenseSet.h"
namespace clang::tidy::misc {
/// This check warns on variables which could be declared const but are not.
///
/// For the user-facing documentation see:
/// http://clang.llvm.org/extra/clang-tidy/checks/misc/const-correctness.html
class ConstCorrectnessCheck : public ClangTidyCheck {
public:
ConstCorrectnessCheck(StringRef Name, ClangTidyContext *Context);
// The rules for C and 'const' are different and incompatible for this check.
bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
return LangOpts.CPlusPlus;
}
void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
void registerMatchers(ast_matchers::MatchFinder *Finder) override;
void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
private:
void registerScope(const Stmt *LocalScope, ASTContext *Context);
using MutationAnalyzer = std::unique_ptr<ExprMutationAnalyzer>;
llvm::DenseMap<const Stmt *, MutationAnalyzer> ScopesCache;
llvm::DenseSet<SourceLocation> TemplateDiagnosticsCache;
const bool AnalyzeValues;
const bool AnalyzeReferences;
const bool WarnPointersAsValues;
const bool TransformValues;
const bool TransformReferences;
const bool TransformPointersAsValues;
};
} // namespace clang::tidy::misc
#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_CONSTCORRECTNESSCHECK_H
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