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//===--- ElseAfterReturnCheck.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_ELSEAFTERRETURNCHECK_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_ELSEAFTERRETURNCHECK_H
#include "../ClangTidyCheck.h"
#include "llvm/ADT/DenseMap.h"
namespace clang {
namespace tidy {
namespace readability {
/// Flags the usages of `else` after `return`.
///
/// http://llvm.org/docs/CodingStandards.html#don-t-use-else-after-a-return
class ElseAfterReturnCheck : public ClangTidyCheck {
public:
ElseAfterReturnCheck(StringRef Name, ClangTidyContext *Context);
void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
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;
llvm::Optional<TraversalKind> getCheckTraversalKind() const override {
return TK_IgnoreUnlessSpelledInSource;
}
using ConditionalBranchMap =
llvm::DenseMap<FileID, SmallVector<SourceRange, 1>>;
private:
const bool WarnOnUnfixable;
const bool WarnOnConditionVariables;
ConditionalBranchMap PPConditionals;
};
} // namespace readability
} // namespace tidy
} // namespace clang
#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_ELSEAFTERRETURNCHECK_H
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