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/****************************************************************************** |
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* Top contributors (to current version): |
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* Morgan Deters, Aina Niemetz, 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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* A node value. |
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* |
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* The actual node implementation. |
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* Instances of this class are generally referenced through cvc5::Node rather |
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* than by pointer. Note that cvc5::Node maintains the reference count on |
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* NodeValue instances. |
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*/ |
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#include "expr/node_value.h" |
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#include <sstream> |
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#include "expr/kind.h" |
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#include "expr/metakind.h" |
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#include "expr/node.h" |
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#include "options/base_options.h" |
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#include "options/language.h" |
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#include "options/options.h" |
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#include "printer/printer.h" |
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using namespace std; |
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namespace cvc5 { |
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namespace expr { |
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string NodeValue::toString() const { |
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stringstream ss; |
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OutputLanguage outlang = (this == &null()) ? language::output::LANG_AUTO |
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: options::outputLanguage(); |
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toStream(ss, -1, false, outlang); |
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return ss.str(); |
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} |
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void NodeValue::toStream(std::ostream& out, |
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int toDepth, |
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size_t dag, |
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OutputLanguage language) const |
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{ |
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// Ensure that this node value is live for the length of this call. |
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// It really breaks things badly if we don't have a nonzero ref |
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// count, even just for printing. |
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RefCountGuard guard(this); |
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Printer::getPrinter(language)->toStream(out, TNode(this), toDepth, dag); |
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} |
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void NodeValue::printAst(std::ostream& out, int ind) const { |
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RefCountGuard guard(this); |
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indent(out, ind); |
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out << '('; |
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out << getKind(); |
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if (getMetaKind() == kind::metakind::VARIABLE || getMetaKind() == kind::metakind::NULLARY_OPERATOR ) { |
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out << ' ' << getId(); |
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} else if (getMetaKind() == kind::metakind::CONSTANT) { |
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out << ' '; |
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kind::metakind::NodeValueConstPrinter::toStream(out, this); |
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} else { |
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if (nv_begin() != nv_end()) { |
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for (const_nv_iterator child = nv_begin(); child != nv_end(); ++child) { |
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out << std::endl; |
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(*child)->printAst(out, ind + 1); |
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} |
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out << std::endl; |
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indent(out, ind); |
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} |
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} |
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out << ')'; |
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} |
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NodeValue::iterator<NodeTemplate<true> > operator+( |
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NodeValue::iterator<NodeTemplate<true> >::difference_type p, |
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NodeValue::iterator<NodeTemplate<true> > i) |
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{ |
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return i + p; |
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} |
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NodeValue::iterator<NodeTemplate<false> > operator+( |
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NodeValue::iterator<NodeTemplate<false> >::difference_type p, |
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NodeValue::iterator<NodeTemplate<false> > i) |
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{ |
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return i + p; |
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} |
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} // namespace expr |
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} // namespace cvc5 |