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/******************************************************************************
* Top contributors (to current version):
* Andrew Reynolds
*
* This file is part of the cvc5 project.
*
* Copyright (c) 2009-2021 by the authors listed in the file AUTHORS
* in the top-level source directory and their institutional affiliations.
* All rights reserved. See the file COPYING in the top-level source
* directory for licensing information.
* ****************************************************************************
*
* Utilities for printing expressions in proofs
*/
#include "proof/print_expr.h"
namespace cvc5 {
namespace proof {
PExprStream::PExprStream(std::vector<PExpr>& stream, Node tt, Node ff)
: d_stream(stream), d_tt(tt), d_ff(ff)
{
}
PExprStream& PExprStream::operator<<(const ProofNode* pn)
{
d_stream.push_back(PExpr(pn));
return *this;
}
PExprStream& PExprStream::operator<<(Node n)
{
d_stream.push_back(PExpr(n));
return *this;
}
PExprStream& PExprStream::operator<<(TypeNode tn)
{
d_stream.push_back(PExpr(tn));
return *this;
}
PExprStream& PExprStream::operator<<(bool b)
{
Assert(!d_tt.isNull() && !d_ff.isNull());
d_stream.push_back(b ? d_tt : d_ff);
return *this;
}
PExprStream& PExprStream::operator<<(PExpr p)
{
d_stream.push_back(p);
return *this;
}
} // namespace proof
} // namespace cvc5
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