clang-tools 20.0.0git
RedundantExpressionCheck.h
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1//===--- RedundantExpressionCheck.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_REDUNDANT_EXPRESSION_H
10#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_REDUNDANT_EXPRESSION_H
11
12#include "../ClangTidyCheck.h"
13
14namespace clang::tidy::misc {
15
16/// The checker detects expressions that are redundant, because they contain
17/// ineffective, useless parts.
18///
19/// For the user-facing documentation see:
20/// http://clang.llvm.org/extra/clang-tidy/checks/misc/redundant-expression.html
22public:
24 : ClangTidyCheck(Name, Context) {}
25 void registerMatchers(ast_matchers::MatchFinder *Finder) override;
26 void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
27
28private:
29 void checkArithmeticExpr(const ast_matchers::MatchFinder::MatchResult &R);
30 void checkBitwiseExpr(const ast_matchers::MatchFinder::MatchResult &R);
31 void checkRelationalExpr(const ast_matchers::MatchFinder::MatchResult &R);
32};
33
34} // namespace clang::tidy::misc
35
36#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_REDUNDANT_EXPRESSION_H
llvm::SmallString< 256U > Name
Base class for all clang-tidy checks.
Every ClangTidyCheck reports errors through a DiagnosticsEngine provided by this context.
The checker detects expressions that are redundant, because they contain ineffective,...
void registerMatchers(ast_matchers::MatchFinder *Finder) override
Override this to register AST matchers with Finder.
void check(const ast_matchers::MatchFinder::MatchResult &Result) override
ClangTidyChecks that register ASTMatchers should do the actual work in here.
RedundantExpressionCheck(StringRef Name, ClangTidyContext *Context)