Coverage Report

Created: 2022-07-16 07:03

/Users/buildslave/jenkins/workspace/coverage/llvm-project/clang/include/clang/Analysis/FlowSensitive/Transfer.h
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//===-- Transfer.h ----------------------------------------------*- 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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//
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//  This file defines a transfer function that evaluates a program statement and
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//  updates an environment accordingly.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_ANALYSIS_FLOWSENSITIVE_TRANSFER_H
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#define LLVM_CLANG_ANALYSIS_FLOWSENSITIVE_TRANSFER_H
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#include "clang/AST/Stmt.h"
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#include "clang/Analysis/FlowSensitive/DataflowEnvironment.h"
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namespace clang {
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namespace dataflow {
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/// Maps statements to the environments of basic blocks that contain them.
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class StmtToEnvMap {
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public:
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  virtual ~StmtToEnvMap() = default;
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  /// Returns the environment of the basic block that contains `S` or nullptr if
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  /// there isn't one.
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  /// FIXME: Ensure that the result can't be null and return a const reference.
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  virtual const Environment *getEnvironment(const Stmt &S) const = 0;
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};
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/// Evaluates `S` and updates `Env` accordingly.
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///
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/// Requirements:
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///
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///  `S` must not be `ParenExpr` or `ExprWithCleanups`.
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void transfer(const StmtToEnvMap &StmtToEnv, const Stmt &S, Environment &Env);
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} // namespace dataflow
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} // namespace clang
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#endif // LLVM_CLANG_ANALYSIS_FLOWSENSITIVE_TRANSFER_H