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/****************************************************************************** |
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* Top contributors (to current version): |
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* Andrew Reynolds, Tim King, Morgan Deters |
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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 class representing a datatype selector. |
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*/ |
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#include "expr/dtype_selector.h" |
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#include "options/set_language.h" |
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using namespace cvc5::kind; |
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namespace cvc5 { |
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DTypeSelector::DTypeSelector(std::string name, Node selector, Node updater) |
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: d_name(name), d_selector(selector), d_updater(updater), d_resolved(false) |
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{ |
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Assert(name != ""); |
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} |
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const std::string& DTypeSelector::getName() const { return d_name; } |
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Node DTypeSelector::getSelector() const |
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{ |
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Assert(d_resolved); |
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return d_selector; |
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} |
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Node DTypeSelector::getUpdater() const |
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{ |
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Assert(d_resolved); |
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return d_updater; |
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} |
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Node DTypeSelector::getConstructor() const |
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{ |
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Assert(d_resolved); |
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return d_constructor; |
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} |
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TypeNode DTypeSelector::getType() const { return d_selector.getType(); } |
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TypeNode DTypeSelector::getRangeType() const |
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{ |
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return getType().getRangeType(); |
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} |
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bool DTypeSelector::isResolved() const { return d_resolved; } |
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void DTypeSelector::toStream(std::ostream& out) const |
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{ |
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out << getName() << ": "; |
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TypeNode t; |
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if (d_resolved) |
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{ |
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// don't try to print the range type of null, instead we print null itself. |
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if (!getType().isNull()) |
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{ |
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t = getRangeType(); |
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} |
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} |
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else if (d_selector.isNull()) |
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{ |
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std::string typeName = d_name.substr(d_name.find('\0') + 1); |
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out << ((typeName == "") ? "[self]" : typeName); |
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return; |
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} |
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else |
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{ |
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out << "unresolved"; |
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return; |
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} |
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out << t; |
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} |
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std::ostream& operator<<(std::ostream& os, const DTypeSelector& arg) |
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{ |
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// can only output datatypes in the cvc5 native language |
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language::SetLanguage::Scope ls(os, language::output::LANG_CVC); |
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arg.toStream(os); |
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return os; |
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} |
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} // namespace cvc5 |