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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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* Utilities for printing expressions in proofs |
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*/ |
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#include "proof/print_expr.h" |
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namespace cvc5 { |
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namespace proof { |
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PExprStream::PExprStream(std::vector<PExpr>& stream, Node tt, Node ff) |
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: d_stream(stream), d_tt(tt), d_ff(ff) |
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{ |
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} |
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PExprStream& PExprStream::operator<<(const ProofNode* pn) |
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{ |
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d_stream.push_back(PExpr(pn)); |
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return *this; |
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} |
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PExprStream& PExprStream::operator<<(Node n) |
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{ |
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d_stream.push_back(PExpr(n)); |
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return *this; |
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} |
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PExprStream& PExprStream::operator<<(TypeNode tn) |
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{ |
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d_stream.push_back(PExpr(tn)); |
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return *this; |
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} |
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PExprStream& PExprStream::operator<<(bool b) |
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{ |
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Assert(!d_tt.isNull() && !d_ff.isNull()); |
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d_stream.push_back(b ? d_tt : d_ff); |
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return *this; |
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} |
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PExprStream& PExprStream::operator<<(PExpr p) |
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{ |
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d_stream.push_back(p); |
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return *this; |
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} |
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} // namespace proof |
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} // namespace cvc5 |