Files
clang-r547379/include/clang-tidy/bugprone/ImplicitWideningOfMultiplicationResultCheck.h
Ryan Prichard 6024e5c395 Update prebuilt Clang to r547379 (20.0.0).
clang 20.0.0 (based on r547379) from build 12806354.

Bug: http://b/379133546
Test: N/A
Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b

Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
2025-11-26 14:59:46 -05:00

51 lines
2.0 KiB
C++

//===--- 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