Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

//===-- ChromiumCheckModel.h ------------------------------------*- 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

//

//===----------------------------------------------------------------------===//

//

// This file defines a dataflow model for Chromium's family of CHECK functions.

//

//===----------------------------------------------------------------------===//

#ifndef CLANG_ANALYSIS_FLOWSENSITIVE_MODELS_CHROMIUMCHECKMODEL_H

#define CLANG_ANALYSIS_FLOWSENSITIVE_MODELS_CHROMIUMCHECKMODEL_H

#include "clang/AST/DeclCXX.h"

#include "clang/AST/Stmt.h"

#include "clang/Analysis/FlowSensitive/DataflowAnalysis.h"

#include "clang/Analysis/FlowSensitive/DataflowEnvironment.h"

#include "llvm/ADT/DenseSet.h"

namespace clang {

namespace dataflow {

/// Models the behavior of Chromium's CHECK, DCHECK, etc. macros, so that code

/// after a call to `*CHECK` can rely on the condition being true.

class ChromiumCheckModel : public DataflowModel {

public:

  ChromiumCheckModel() = default;

  bool transfer(const CFGElement *Element, Environment &Env) override;

private:

  /// Declarations for `::logging::CheckError::.*Check`, lazily initialized.

  llvm::SmallDenseSet<const CXXMethodDecl *> CheckDecls;

};

} // namespace dataflow

} // namespace clang

#endif // CLANG_ANALYSIS_FLOWSENSITIVE_MODELS_CHROMIUMCHECKMODEL_H