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//===--- ImplicitWideningOfMultiplicationResultCheck.h ----------*- 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_BUGPRONE_IMPLICITWIDENINGOFMULTIPLICATIONRESULTCHECK_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_IMPLICITWIDENINGOFMULTIPLICATIONRESULTCHECK_H
#include "../ClangTidyCheck.h"
#include "../utils/IncludeInserter.h"
#include <optional>
namespace clang::tidy::bugprone {
/// Diagnoses instances of an implicit widening of multiplication result.
///
/// For the user-facing documentation see:
/// http://clang.llvm.org/extra/clang-tidy/checks/bugprone/implicit-widening-of-multiplication-result.html
class ImplicitWideningOfMultiplicationResultCheck : public ClangTidyCheck {
const ast_matchers::MatchFinder::MatchResult *Result;
bool ShouldUseCXXStaticCast;
bool ShouldUseCXXHeader;
std::optional<FixItHint> includeStddefHeader(SourceLocation File);
void handleImplicitCastExpr(const ImplicitCastExpr *ICE);
void handlePointerOffsetting(const Expr *E);
public:
ImplicitWideningOfMultiplicationResultCheck(StringRef Name,
ClangTidyContext *Context);
void registerPPCallbacks(const SourceManager &SM, Preprocessor *PP,
Preprocessor *ModuleExpanderPP) override;
void registerMatchers(ast_matchers::MatchFinder *Finder) override;
void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
private:
const bool UseCXXStaticCastsInCppSources;
const bool UseCXXHeadersInCppSources;
const bool IgnoreConstantIntExpr;
utils::IncludeInserter IncludeInserter;
};
} // namespace clang::tidy::bugprone
#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_IMPLICITWIDENINGOFMULTIPLICATIONRESULTCHECK_H
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