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//===--- FunctionSizeCheck.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_FUNCTIONSIZECHECK_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_FUNCTIONSIZECHECK_H
#include "../ClangTidyCheck.h"
namespace clang::tidy::readability {
/// Checks for large functions based on various metrics.
///
/// These options are supported:
///
/// * `LineThreshold` - flag functions exceeding this number of lines. The
/// default is `-1` (ignore the number of lines).
/// * `StatementThreshold` - flag functions exceeding this number of
/// statements. This may differ significantly from the number of lines for
/// macro-heavy code. The default is `800`.
/// * `BranchThreshold` - flag functions exceeding this number of control
/// statements. The default is `-1` (ignore the number of branches).
/// * `ParameterThreshold` - flag functions having a high number of
/// parameters. The default is `-1` (ignore the number of parameters).
/// * `NestingThreshold` - flag compound statements which create next nesting
/// level after `NestingThreshold`. This may differ significantly from the
/// expected value for macro-heavy code. The default is `-1` (ignore the
/// nesting level).
/// * `VariableThreshold` - flag functions having a high number of variable
/// declarations. The default is `-1` (ignore the number of variables).
class FunctionSizeCheck : public ClangTidyCheck {
public:
FunctionSizeCheck(StringRef Name, ClangTidyContext *Context);
void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
void registerMatchers(ast_matchers::MatchFinder *Finder) override;
void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
private:
const unsigned LineThreshold;
const unsigned StatementThreshold;
const unsigned BranchThreshold;
const unsigned ParameterThreshold;
const unsigned NestingThreshold;
const unsigned VariableThreshold;
};
} // namespace clang::tidy::readability
#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_FUNCTIONSIZECHECK_H
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