forked from OSchip/llvm-project
52 lines
2.0 KiB
C++
52 lines
2.0 KiB
C++
//===--- MultiwayPathsCoveredCheck.h - clang-tidy----------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_HICPP_MULTIWAY_PATHS_COVERED_H
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#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_HICPP_MULTIWAY_PATHS_COVERED_H
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#include "../ClangTidy.h"
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#include "clang/ASTMatchers/ASTMatchFinder.h"
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#include <iostream>
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namespace clang {
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namespace tidy {
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namespace hicpp {
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/// Find occasions where not all codepaths are explicitly covered in code.
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/// This includes 'switch' without a 'default'-branch and 'if'-'else if'-chains
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/// without a final 'else'-branch.
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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/hicpp-multiway-paths-covered.html
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class MultiwayPathsCoveredCheck : public ClangTidyCheck {
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public:
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MultiwayPathsCoveredCheck(StringRef Name, ClangTidyContext *Context)
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: ClangTidyCheck(Name, Context),
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WarnOnMissingElse(Options.get("WarnOnMissingElse", 0)) {}
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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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void handleSwitchWithDefault(const SwitchStmt *Switch, std::size_t CaseCount);
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void handleSwitchWithoutDefault(
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const SwitchStmt *Switch, std::size_t CaseCount,
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const ast_matchers::MatchFinder::MatchResult &Result);
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/// This option can be configured to warn on missing 'else' branches in an
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/// 'if-else if' chain. The default is false because this option might be
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/// noisy on some code bases.
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const bool WarnOnMissingElse;
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};
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} // namespace hicpp
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} // namespace tidy
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} // namespace clang
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#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_HICPP_MULTIWAY_PATHS_COVERED_H
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