| 1 | //===--- RedundantControlFlowCheck.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_READABILITY_REDUNDANT_CONTROL_FLOW_H |
| 10 | #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_REDUNDANT_CONTROL_FLOW_H |
| 11 | |
| 12 | #include "../ClangTidyCheck.h" |
| 13 | |
| 14 | namespace clang::tidy::readability { |
| 15 | |
| 16 | /// Eliminates redundant `return` statements at the end of a function that |
| 17 | /// returns `void`. |
| 18 | /// |
| 19 | /// Eliminates redundant `continue` statements at the end of a loop body. |
| 20 | /// |
| 21 | /// For the user-facing documentation see: |
| 22 | /// http://clang.llvm.org/extra/clang-tidy/checks/readability/redundant-control-flow.html |
| 23 | class RedundantControlFlowCheck : public ClangTidyCheck { |
| 24 | public: |
| 25 | RedundantControlFlowCheck(StringRef Name, ClangTidyContext *Context) |
| 26 | : ClangTidyCheck(Name, Context) {} |
| 27 | void registerMatchers(ast_matchers::MatchFinder *Finder) override; |
| 28 | void check(const ast_matchers::MatchFinder::MatchResult &Result) override; |
| 29 | |
| 30 | std::optional<TraversalKind> getCheckTraversalKind() const override { |
| 31 | return TK_IgnoreUnlessSpelledInSource; |
| 32 | } |
| 33 | |
| 34 | private: |
| 35 | void |
| 36 | checkRedundantReturn(const ast_matchers::MatchFinder::MatchResult &Result, |
| 37 | const CompoundStmt *Block); |
| 38 | |
| 39 | void |
| 40 | checkRedundantContinue(const ast_matchers::MatchFinder::MatchResult &Result, |
| 41 | const CompoundStmt *Block); |
| 42 | |
| 43 | void issueDiagnostic(const ast_matchers::MatchFinder::MatchResult &Result, |
| 44 | const CompoundStmt *Block, const SourceRange &StmtRange, |
| 45 | const char *Diag); |
| 46 | }; |
| 47 | |
| 48 | } // namespace clang::tidy::readability |
| 49 | |
| 50 | #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_REDUNDANT_CONTROL_FLOW_H |
| 51 |
