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/****************************************************************************** |
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* Top contributors (to current version): |
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* Andrew Reynolds |
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* |
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* This file is part of the cvc5 project. |
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* |
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* Copyright (c) 2009-2021 by the authors listed in the file AUTHORS |
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* in the top-level source directory and their institutional affiliations. |
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* All rights reserved. See the file COPYING in the top-level source |
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* directory for licensing information. |
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* **************************************************************************** |
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* |
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* Implementation of proof node utility. |
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*/ |
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#include "proof/proof_node.h" |
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#include "proof/proof_node_algorithm.h" |
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#include "proof/proof_node_to_sexpr.h" |
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namespace cvc5 { |
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ProofNode::ProofNode(PfRule id, |
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const std::vector<std::shared_ptr<ProofNode>>& children, |
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const std::vector<Node>& args) |
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: d_provenChecked(false) |
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{ |
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setValue(id, children, args); |
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} |
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PfRule ProofNode::getRule() const { return d_rule; } |
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const std::vector<std::shared_ptr<ProofNode>>& ProofNode::getChildren() const |
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{ |
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return d_children; |
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} |
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const std::vector<Node>& ProofNode::getArguments() const { return d_args; } |
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Node ProofNode::getResult() const { return d_proven; } |
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bool ProofNode::isClosed() |
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{ |
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std::vector<Node> assumps; |
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expr::getFreeAssumptions(this, assumps); |
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return assumps.empty(); |
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} |
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void ProofNode::setValue( |
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PfRule id, |
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const std::vector<std::shared_ptr<ProofNode>>& children, |
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const std::vector<Node>& args) |
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{ |
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d_rule = id; |
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d_children = children; |
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d_args = args; |
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} |
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void ProofNode::printDebug(std::ostream& os) const |
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{ |
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// convert to sexpr and print |
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ProofNodeToSExpr pnts; |
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Node ps = pnts.convertToSExpr(this); |
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os << ps; |
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} |
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std::ostream& operator<<(std::ostream& out, const ProofNode& pn) |
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{ |
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pn.printDebug(out); |
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return out; |
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} |
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} // namespace cvc5 |