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136 lines
3.3 KiB
136 lines
3.3 KiB
/*
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* Not.h
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*
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* Created on: 19.10.2012
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* Author: Thomas Heinemann
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*/
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#ifndef STORM_FORMULA_LTL_NOT_H_
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#define STORM_FORMULA_LTL_NOT_H_
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#include "AbstractLtlFormula.h"
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#include "src/formula/abstract/Not.h"
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#include "src/formula/AbstractFormulaChecker.h"
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namespace storm {
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namespace property {
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namespace ltl {
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template <class T> class Not;
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/*!
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* @brief Interface class for model checkers that support Not.
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*
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* All model checkers that support the formula class Not must inherit
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* this pure virtual class.
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*/
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template <class T>
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class INotModelChecker {
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public:
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/*!
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* @brief Evaluates Not formula within a model checker.
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*
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* @param obj Formula object with subformulas.
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* @return Result of the formula for every node.
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*/
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virtual std::vector<T>* checkNot(const Not<T>& obj) const = 0;
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};
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/*!
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* @brief Interface class for visitors that support Not.
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*
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* All visitors that support the formula class Not must inherit
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* this pure virtual class.
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*/
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template <class T>
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class INotVisitor {
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public:
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/*!
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* @brief Visits Not formula.
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*
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* @param obj Formula object with subformulas.
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* @return Result of the formula for every node.
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*/
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virtual void visitNot(const Not<T>& obj) const = 0;
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};
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/*!
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* @brief
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* Class for an abstract formula tree with NOT node as root.
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*
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* Has one Abstract LTL formula as sub formula/tree.
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*
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* The subtree is seen as part of the object and deleted with the object
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* (this behavior can be prevented by setting them to NULL before deletion)
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*
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* @see AbstractLtlFormula
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*/
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template <class T>
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class Not : public storm::property::abstract::Not<T, AbstractLtlFormula<T>>,
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public AbstractLtlFormula<T> {
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public:
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/*!
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* Empty constructor
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*/
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Not() {
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//intentionally left empty
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}
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/*!
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* Constructor
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* @param child The child node
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*/
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Not(AbstractLtlFormula<T>* child) :
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storm::property::abstract::Not<T, AbstractLtlFormula<T>>(child){
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//intentionally left empty
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}
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/*!
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* Destructor
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*
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* Also deletes the subtree
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* (this behavior can be prevented by setting them to NULL before deletion)
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*/
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virtual ~Not() {
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//intentionally left empty
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}
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/*!
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* Clones the called object.
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*
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* Performs a "deep copy", i.e. the subtrees of the new object are clones of the original ones
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*
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* @returns a new AND-object that is identical the called object.
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*/
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virtual AbstractLtlFormula<T>* clone() const {
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Not<T>* result = new Not<T>();
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if (this->childIsSet()) {
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result->setChild(this->getChild().clone());
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}
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return result;
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}
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/*!
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* Calls the model checker to check this formula.
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* Needed to infer the correct type of formula class.
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*
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* @note This function should only be called in a generic check function of a model checker class. For other uses,
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* the methods of the model checker should be used.
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*
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* @returns A bit vector indicating all states that satisfy the formula represented by the called object.
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*/
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virtual std::vector<T>* check(const storm::modelchecker::ltl::AbstractModelChecker<T>& modelChecker) const {
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return modelChecker.template as<INotModelChecker>()->checkNot(*this);
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}
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virtual void visit(const visitor::AbstractLtlFormulaVisitor<T>& visitor) const {
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visitor.template as<INotVisitor>()->visitNot(*this);
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}
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};
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} //namespace ltl
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} //namespace property
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} //namespace storm
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#endif /* STORM_FORMULA_LTL_NOT_H_ */
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