1//===--- ConstCorrectnessCheck.h - clang-tidy -------------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_CONSTCORRECTNESSCHECK_H
10#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_CONSTCORRECTNESSCHECK_H
11
12#include "../ClangTidyCheck.h"
13#include "clang/Analysis/Analyses/ExprMutationAnalyzer.h"
14#include "llvm/ADT/DenseSet.h"
15
16namespace clang::tidy::misc {
17
18/// This check warns on variables which could be declared const but are not.
19///
20/// For the user-facing documentation see:
21/// http://clang.llvm.org/extra/clang-tidy/checks/misc/const-correctness.html
22class ConstCorrectnessCheck : public ClangTidyCheck {
23public:
24 ConstCorrectnessCheck(StringRef Name, ClangTidyContext *Context);
25
26 // The rules for C and 'const' are different and incompatible for this check.
27 bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
28 return LangOpts.CPlusPlus;
29 }
30 void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
31 void registerMatchers(ast_matchers::MatchFinder *Finder) override;
32 void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
33
34private:
35 void registerScope(const CompoundStmt *LocalScope, ASTContext *Context);
36
37 using MutationAnalyzer = std::unique_ptr<ExprMutationAnalyzer>;
38 llvm::DenseMap<const CompoundStmt *, MutationAnalyzer> ScopesCache;
39 llvm::DenseSet<SourceLocation> TemplateDiagnosticsCache;
40
41 const bool AnalyzeValues;
42 const bool AnalyzeReferences;
43 const bool WarnPointersAsValues;
44
45 const bool TransformValues;
46 const bool TransformReferences;
47 const bool TransformPointersAsValues;
48};
49
50} // namespace clang::tidy::misc
51
52#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_CONSTCORRECTNESSCHECK_H
53

source code of clang-tools-extra/clang-tidy/misc/ConstCorrectnessCheck.h