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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.
* ****************************************************************************
*
* Print channels for LFSC proofs.
*/
#include "proof/lfsc/lfsc_print_channel.h"
#include <sstream>
#include "proof/lfsc/lfsc_util.h"
namespace cvc5 {
namespace proof {
LfscPrintChannelOut::LfscPrintChannelOut(std::ostream& out) : d_out(out) {}
void LfscPrintChannelOut::printNode(TNode n)
{
d_out << " ";
printNodeInternal(d_out, n);
}
void LfscPrintChannelOut::printTypeNode(TypeNode tn)
{
d_out << " ";
printTypeNodeInternal(d_out, tn);
}
void LfscPrintChannelOut::printHole() { d_out << " _ "; }
void LfscPrintChannelOut::printTrust(TNode res, PfRule src)
{
d_out << std::endl << "(trust ";
printNodeInternal(d_out, res);
d_out << ") ; from " << src << std::endl;
}
void LfscPrintChannelOut::printOpenRule(const ProofNode* pn)
{
d_out << std::endl << "(";
printRule(d_out, pn);
}
void LfscPrintChannelOut::printOpenLfscRule(LfscRule lr)
{
d_out << std::endl << "(" << lr;
}
void LfscPrintChannelOut::printCloseRule(size_t nparen)
{
for (size_t i = 0; i < nparen; i++)
{
d_out << ")";
}
}
void LfscPrintChannelOut::printProofId(size_t id)
{
d_out << " ";
printProofId(d_out, id);
}
void LfscPrintChannelOut::printAssumeId(size_t id)
{
d_out << " ";
printAssumeId(d_out, id);
}
void LfscPrintChannelOut::printEndLine() { d_out << std::endl; }
void LfscPrintChannelOut::printNodeInternal(std::ostream& out, Node n)
{
// due to use of special names in the node converter, we must clean symbols
std::stringstream ss;
n.toStream(ss, -1, 0, Language::LANG_SMTLIB_V2_6);
std::string s = ss.str();
cleanSymbols(s);
out << s;
}
void LfscPrintChannelOut::printTypeNodeInternal(std::ostream& out, TypeNode tn)
{
// due to use of special names in the node converter, we must clean symbols
std::stringstream ss;
tn.toStream(ss, Language::LANG_SMTLIB_V2_6);
std::string s = ss.str();
cleanSymbols(s);
out << s;
}
void LfscPrintChannelOut::printRule(std::ostream& out, const ProofNode* pn)
{
if (pn->getRule() == PfRule::LFSC_RULE)
{
const std::vector<Node>& args = pn->getArguments();
out << getLfscRule(args[0]);
return;
}
// Otherwise, convert to lower case
std::stringstream ss;
ss << pn->getRule();
std::string rname = ss.str();
std::transform(
rname.begin(), rname.end(), rname.begin(), [](unsigned char c) {
return std::tolower(c);
});
out << rname;
}
void LfscPrintChannelOut::printId(std::ostream& out, size_t id)
{
out << "__t" << id;
}
void LfscPrintChannelOut::printProofId(std::ostream& out, size_t id)
{
out << "__p" << id;
}
void LfscPrintChannelOut::printAssumeId(std::ostream& out, size_t id)
{
out << "__a" << id;
}
void LfscPrintChannelOut::cleanSymbols(std::string& s)
{
size_t start_pos = 0;
while ((start_pos = s.find("(_ ", start_pos)) != std::string::npos)
{
s.replace(start_pos, 3, "(");
start_pos += 1;
}
start_pos = 0;
while ((start_pos = s.find("__LFSC_TMP", start_pos)) != std::string::npos)
{
s.replace(start_pos, 10, "");
}
}
LfscPrintChannelPre::LfscPrintChannelPre(LetBinding& lbind) : d_lbind(lbind) {}
void LfscPrintChannelPre::printNode(TNode n) { d_lbind.process(n); }
void LfscPrintChannelPre::printTrust(TNode res, PfRule src)
{
d_lbind.process(res);
}
void LfscPrintChannelPre::printOpenRule(const ProofNode* pn)
{
}
} // namespace proof
} // namespace cvc5
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