clang-tools 22.0.0git
OptionalValueConversionCheck.h
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1//===----------------------------------------------------------------------===//
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_BUGPRONE_OPTIONALVALUECONVERSIONCHECK_H
10#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_OPTIONALVALUECONVERSIONCHECK_H
11
12#include "../ClangTidyCheck.h"
13#include <vector>
14
15namespace clang::tidy::bugprone {
16
17/// Detects potentially unintentional and redundant conversions where a value is
18/// extracted from an optional-like type and then used to create a new instance
19/// of the same optional-like type.
20///
21/// For the user-facing documentation see:
22/// https://clang.llvm.org/extra/clang-tidy/checks/bugprone/optional-value-conversion.html
24public:
25 OptionalValueConversionCheck(StringRef Name, ClangTidyContext *Context);
26 bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
27 return LangOpts.CPlusPlus;
28 }
29 void registerMatchers(ast_matchers::MatchFinder *Finder) override;
30 void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
31 void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
32 std::optional<TraversalKind> getCheckTraversalKind() const override;
33
34private:
35 std::vector<StringRef> OptionalTypes;
36 std::vector<StringRef> ValueMethods;
37};
38
39} // namespace clang::tidy::bugprone
40
41#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_OPTIONALVALUECONVERSIONCHECK_H
Every ClangTidyCheck reports errors through a DiagnosticsEngine provided by this context.
void registerMatchers(ast_matchers::MatchFinder *Finder) override
bool isLanguageVersionSupported(const LangOptions &LangOpts) const override
void storeOptions(ClangTidyOptions::OptionMap &Opts) override
OptionalValueConversionCheck(StringRef Name, ClangTidyContext *Context)
void check(const ast_matchers::MatchFinder::MatchResult &Result) override
std::optional< TraversalKind > getCheckTraversalKind() const override
llvm::StringMap< ClangTidyValue > OptionMap