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