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65 lines
2.8 KiB
65 lines
2.8 KiB
#ifndef STORM_STORAGE_EXPRESSIONS_VARIABLEEXPRESSION_H_
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#define STORM_STORAGE_EXPRESSIONS_VARIABLEEXPRESSION_H_
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#include "storm/storage/expressions/BaseExpression.h"
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#include "storm/storage/expressions/Variable.h"
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#include "storm/utility/OsDetection.h"
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namespace storm {
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namespace expressions {
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class VariableExpression : public BaseExpression {
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public:
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/*!
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* Creates a variable expression with the given return type and variable name.
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*
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* @param returnType The return type of the variable expression.
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* @param variableName The name of the variable associated with this expression.
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*/
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VariableExpression(Variable const& variable);
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// Instantiate constructors and assignments with their default implementations.
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VariableExpression(VariableExpression const&) = default;
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VariableExpression& operator=(VariableExpression const&) = delete;
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VariableExpression(VariableExpression&&) = default;
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VariableExpression& operator=(VariableExpression&&) = delete;
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virtual ~VariableExpression() = default;
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// Override base class methods.
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virtual bool evaluateAsBool(Valuation const* valuation = nullptr) const override;
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virtual int_fast64_t evaluateAsInt(Valuation const* valuation = nullptr) const override;
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virtual double evaluateAsDouble(Valuation const* valuation = nullptr) const override;
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virtual std::string const& getIdentifier() const override;
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virtual bool containsVariables() const override;
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virtual bool isVariable() const override;
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virtual void gatherVariables(std::set<storm::expressions::Variable>& variables) const override;
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virtual std::shared_ptr<BaseExpression const> simplify() const override;
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virtual boost::any accept(ExpressionVisitor& visitor, boost::any const& data) const override;
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virtual bool isVariableExpression() const override;
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/*!
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* Retrieves the name of the variable associated with this expression.
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*
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* @return The name of the variable.
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*/
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std::string const& getVariableName() const;
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/*!
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* Retrieves the variable associated with this expression.
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*
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* @return The variable associated with this expression.
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*/
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Variable const& getVariable() const;
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protected:
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// Override base class method.
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virtual void printToStream(std::ostream& stream) const override;
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private:
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// The variable that is represented by this expression.
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Variable variable;
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};
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}
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}
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#endif /* STORM_STORAGE_EXPRESSIONS_VARIABLEEXPRESSION_H_ */
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