llvm-project/clang-tools-extra/clang-tidy/readability/RedundantControlFlowCheck.h

51 lines
1.8 KiB
C++

//===--- RedundantControlFlowCheck.h - clang-tidy----------------*- 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_READABILITY_REDUNDANT_CONTROL_FLOW_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_REDUNDANT_CONTROL_FLOW_H
#include "../ClangTidy.h"
namespace clang {
namespace tidy {
namespace readability {
/// Eliminates redundant `return` statements at the end of a function that
/// returns `void`.
///
/// Eliminates redundant `continue` statements at the end of a loop body.
///
/// For the user-facing documentation see:
/// http://clang.llvm.org/extra/clang-tidy/checks/readability-redundant-control-flow.html
class RedundantControlFlowCheck : public ClangTidyCheck {
public:
RedundantControlFlowCheck(StringRef Name, ClangTidyContext *Context)
: ClangTidyCheck(Name, Context) {}
void registerMatchers(ast_matchers::MatchFinder *Finder) override;
void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
private:
void
checkRedundantReturn(const ast_matchers::MatchFinder::MatchResult &Result,
const CompoundStmt *Block);
void
checkRedundantContinue(const ast_matchers::MatchFinder::MatchResult &Result,
const CompoundStmt *Block);
void issueDiagnostic(const ast_matchers::MatchFinder::MatchResult &Result,
const CompoundStmt *Block, const SourceRange &StmtRange,
const char *Diag);
};
} // namespace readability
} // namespace tidy
} // namespace clang
#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_REDUNDANT_CONTROL_FLOW_H