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/****************************************************************************** |
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* Top contributors (to current version): |
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* Andrew Reynolds, Morgan Deters, Tim King |
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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 "cvc5_private.h" |
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#ifndef CVC5__EXPR__DTYPE_SELECTOR_H |
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#define CVC5__EXPR__DTYPE_SELECTOR_H |
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#include <string> |
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#include "expr/node.h" |
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#include "expr/type_node.h" |
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namespace cvc5 { |
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class DatatypeConstructorArg; |
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class DType; |
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class DTypeConstructor; |
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/** |
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* A datatype selector for a constructor argument (i.e., a datatype field). |
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*/ |
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class DTypeSelector |
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{ |
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friend class DatatypeConstructorArg; |
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friend class DTypeConstructor; |
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friend class DType; |
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public: |
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/** constructor */ |
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DTypeSelector(std::string name, Node selector, Node updater); |
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/** Get the name of this constructor argument. */ |
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const std::string& getName() const; |
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/** |
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* Get the selector for this constructor argument; this call is |
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* only permitted after resolution. |
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*/ |
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Node getSelector() const; |
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/** |
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* Get the upater for this constructor argument; this call is |
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* only permitted after resolution. |
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*/ |
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Node getUpdater() const; |
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/** |
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* Get the associated constructor for this constructor argument; |
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* this call is only permitted after resolution. |
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*/ |
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Node getConstructor() const; |
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/** |
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* Get the type of the selector for this constructor argument. |
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*/ |
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TypeNode getType() const; |
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/** |
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* Get the range type of this argument. |
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*/ |
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TypeNode getRangeType() const; |
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/** |
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* Returns true iff this constructor argument has been resolved. |
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*/ |
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bool isResolved() const; |
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/** prints this datatype constructor argument to stream */ |
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void toStream(std::ostream& out) const; |
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private: |
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/** the name of this selector */ |
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std::string d_name; |
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/** the selector expression */ |
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Node d_selector; |
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/** the updater expression */ |
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Node d_updater; |
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/** |
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* The constructor associated with this selector. This field is initialized |
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* by the constructor of this selector during a call to |
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* DTypeConstructor::resolve. |
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*/ |
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Node d_constructor; |
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/** whether this class has been resolved */ |
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bool d_resolved; |
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}; |
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std::ostream& operator<<(std::ostream& os, const DTypeSelector& arg); |
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} // namespace cvc5 |
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#endif |