52 lines
2.1 KiB
C
52 lines
2.1 KiB
C
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//===--- FunctionCognitiveComplexityCheck.h - clang-tidy --------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_FUNCTIONCOGNITIVECOMPLEXITYCHECK_H
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#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_FUNCTIONCOGNITIVECOMPLEXITYCHECK_H
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#include "../ClangTidyCheck.h"
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namespace clang::tidy::readability {
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/// Checks function Cognitive Complexity metric.
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///
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/// There are the following configuration option:
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///
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/// * `Threshold` - flag functions with Cognitive Complexity exceeding
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/// this number. The default is `25`.
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/// * `DescribeBasicIncrements`- if set to `true`, then for each function
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/// exceeding the complexity threshold the check will issue additional
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/// diagnostics on every piece of code (loop, `if` statement, etc.) which
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/// contributes to that complexity.
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// Default is `true`
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/// * `IgnoreMacros` - if set to `true`, the check will ignore code inside
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/// macros. Default is `false`.
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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/readability/function-cognitive-complexity.html
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class FunctionCognitiveComplexityCheck : public ClangTidyCheck {
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public:
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FunctionCognitiveComplexityCheck(StringRef Name, ClangTidyContext *Context);
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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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std::optional<TraversalKind> getCheckTraversalKind() const override {
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return TK_IgnoreUnlessSpelledInSource;
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}
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private:
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const unsigned Threshold;
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const bool DescribeBasicIncrements;
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const bool IgnoreMacros;
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};
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} // namespace clang::tidy::readability
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#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_FUNCTIONCOGNITIVECOMPLEXITYCHECK_H
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