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68 lines
2.4 KiB
68 lines
2.4 KiB
/*
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* BooleanConstantExpression.h
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*
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* Created on: 04.01.2013
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* Author: Christian Dehnert
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*/
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#ifndef STORM_IR_EXPRESSIONS_BOOLEANCONSTANTEXPRESSION_H_
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#define STORM_IR_EXPRESSIONS_BOOLEANCONSTANTEXPRESSION_H_
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#include "ConstantExpression.h"
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namespace storm {
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namespace ir {
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namespace expressions {
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/*!
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* A class representing a boolean constant expression.
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*/
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class BooleanConstantExpression : public ConstantExpression {
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public:
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/*!
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* Creates a boolean constant expression with the given constant name.
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*
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* @param constantName The name of the constant to use.
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*/
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BooleanConstantExpression(std::string const& constantName);
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virtual std::shared_ptr<BaseExpression> clone(std::map<std::string, std::string> const& renaming, storm::parser::prism::VariableState const& variableState) const override;
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virtual bool getValueAsBool(std::pair<std::vector<bool>, std::vector<int_fast64_t>> const* variableValues) const override;
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virtual void accept(ExpressionVisitor* visitor) override;
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virtual std::string toString() const override;
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/*!
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* Retrieves whether the constant is defined or not.
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*
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* @return True if the constant is defined.
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*/
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bool isDefined() const;
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/*!
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* Retrieves the value of the constant if it is defined and false otherwise.
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*/
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bool getValue() const;
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/*!
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* Defines the constant using the given value.
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*
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* @param value The value to use for defining the constant.
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*/
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void define(bool value);
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private:
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// This member stores the value of the constant if it is defined.
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bool value;
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// A flag indicating whether the member is defined or not.
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bool defined;
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};
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} // namespace expressions
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} // namespace ir
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} // namespace storm
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#endif /* STORM_IR_EXPRESSIONS_BOOLEANCONSTANTEXPRESSION_H_ */
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