clang-tools
20.0.0git
llvm-project
clang-tools-extra
clang-tidy
bugprone
SignedCharMisuseCheck.h
Go to the documentation of this file.
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//===--- SignedCharMisuseCheck.h - clang-tidy -------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_SIGNEDCHARMISUSECHECK_H
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#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_SIGNEDCHARMISUSECHECK_H
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#include "../ClangTidyCheck.h"
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namespace
clang::tidy::bugprone
{
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/// Finds those ``signed char`` -> integer conversions which might indicate a
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/// programming error. The basic problem with the ``signed char``, that it might
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/// store the non-ASCII characters as negative values. This behavior can cause a
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/// misunderstanding of the written code both when an explicit and when an
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/// implicit conversion happens.
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///
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/// For the user-facing documentation see:
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/// http://clang.llvm.org/extra/clang-tidy/checks/bugprone/signed-char-misuse.html
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class
SignedCharMisuseCheck
:
public
ClangTidyCheck
{
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public
:
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SignedCharMisuseCheck
(StringRef
Name
,
ClangTidyContext
*Context);
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void
storeOptions
(
ClangTidyOptions::OptionMap
&Opts)
override
;
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void
registerMatchers
(ast_matchers::MatchFinder *Finder)
override
;
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void
check
(
const
ast_matchers::MatchFinder::MatchResult &Result)
override
;
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private
:
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ast_matchers::internal::BindableMatcher<clang::Stmt> charCastExpression(
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bool
IsSigned,
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const
ast_matchers::internal::Matcher<clang::QualType> &IntegerType,
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const
std::string &CastBindName)
const
;
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const
StringRef CharTypdefsToIgnoreList;
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const
bool
DiagnoseSignedUnsignedCharComparisons;
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};
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}
// namespace clang::tidy::bugprone
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#endif
// LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_SIGNEDCHARMISUSECHECK_H
Name
llvm::SmallString< 256U > Name
Definition:
ChainedComparisonCheck.cpp:42
clang::tidy::ClangTidyCheck
Base class for all clang-tidy checks.
Definition:
ClangTidyCheck.h:53
clang::tidy::ClangTidyContext
Every ClangTidyCheck reports errors through a DiagnosticsEngine provided by this context.
Definition:
ClangTidyDiagnosticConsumer.h:69
clang::tidy::bugprone::SignedCharMisuseCheck
Finds those signed char -> integer conversions which might indicate a programming error.
Definition:
SignedCharMisuseCheck.h:24
clang::tidy::bugprone::SignedCharMisuseCheck::registerMatchers
void registerMatchers(ast_matchers::MatchFinder *Finder) override
Override this to register AST matchers with Finder.
Definition:
SignedCharMisuseCheck.cpp:69
clang::tidy::bugprone::SignedCharMisuseCheck::storeOptions
void storeOptions(ClangTidyOptions::OptionMap &Opts) override
Should store all options supported by this check with their current values or default values for opti...
Definition:
SignedCharMisuseCheck.cpp:28
clang::tidy::bugprone::SignedCharMisuseCheck::check
void check(const ast_matchers::MatchFinder::MatchResult &Result) override
ClangTidyChecks that register ASTMatchers should do the actual work in here.
Definition:
SignedCharMisuseCheck.cpp:122
clang::tidy::bugprone
Definition:
ArgumentCommentCheck.cpp:19
clang::tidy::ClangTidyOptions::OptionMap
llvm::StringMap< ClangTidyValue > OptionMap
Definition:
ClangTidyOptions.h:126
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