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195 lines
14 KiB
195 lines
14 KiB
#pragma once
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#include <memory>
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#include <fstream>
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#include "storm/parser/SpiritErrorHandler.h"
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#include "storm/exceptions/WrongFormatException.h"
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#include "storm/logic/Formulas.h"
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#include "storm/parser/ExpressionParser.h"
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#include "storm/storage/expressions/ExpressionEvaluator.h"
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namespace storm {
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namespace logic {
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class Formula;
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}
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namespace parser {
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class FormulaParserGrammar : public qi::grammar<Iterator, std::vector<std::shared_ptr<storm::logic::Formula const>>(), Skipper> {
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public:
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FormulaParserGrammar(std::shared_ptr<storm::expressions::ExpressionManager const> const& manager);
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FormulaParserGrammar(FormulaParserGrammar const& other) = default;
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FormulaParserGrammar& operator=(FormulaParserGrammar const& other) = default;
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/*!
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* Adds an identifier and the expression it is supposed to be replaced with. This can, for example be used
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* to substitute special identifiers in the formula by expressions.
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*
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* @param identifier The identifier that is supposed to be substituted.
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* @param expression The expression it is to be substituted with.
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*/
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void addIdentifierExpression(std::string const& identifier, storm::expressions::Expression const& expression);
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private:
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struct keywordsStruct : qi::symbols<char, uint_fast64_t> {
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keywordsStruct() {
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add
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("true", 1)
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("false", 2)
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("min", 3)
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("max", 4)
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("F", 5)
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("G", 6)
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("X", 7)
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("multi", 8);
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}
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};
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// A parser used for recognizing the keywords.
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keywordsStruct keywords_;
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struct relationalOperatorStruct : qi::symbols<char, storm::logic::ComparisonType> {
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relationalOperatorStruct() {
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add
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(">=", storm::logic::ComparisonType::GreaterEqual)
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(">", storm::logic::ComparisonType::Greater)
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("<=", storm::logic::ComparisonType::LessEqual)
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("<", storm::logic::ComparisonType::Less);
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}
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};
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// A parser used for recognizing the operators at the "relational" precedence level.
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relationalOperatorStruct relationalOperator_;
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struct binaryBooleanOperatorStruct : qi::symbols<char, storm::logic::BinaryBooleanStateFormula::OperatorType> {
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binaryBooleanOperatorStruct() {
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add
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("&", storm::logic::BinaryBooleanStateFormula::OperatorType::And)
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("|", storm::logic::BinaryBooleanStateFormula::OperatorType::Or);
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}
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};
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// A parser used for recognizing the operators at the "binary" precedence level.
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binaryBooleanOperatorStruct binaryBooleanOperator_;
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struct unaryBooleanOperatorStruct : qi::symbols<char, storm::logic::UnaryBooleanStateFormula::OperatorType> {
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unaryBooleanOperatorStruct() {
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add
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("!", storm::logic::UnaryBooleanStateFormula::OperatorType::Not);
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}
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};
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// A parser used for recognizing the operators at the "unary" precedence level.
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unaryBooleanOperatorStruct unaryBooleanOperator_;
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struct optimalityOperatorStruct : qi::symbols<char, storm::OptimizationDirection> {
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optimalityOperatorStruct() {
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add
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("min", storm::OptimizationDirection::Minimize)
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("max", storm::OptimizationDirection::Maximize);
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}
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};
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// A parser used for recognizing the optimality operators.
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optimalityOperatorStruct optimalityOperator_;
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struct rewardMeasureTypeStruct : qi::symbols<char, storm::logic::RewardMeasureType> {
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rewardMeasureTypeStruct() {
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add
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("exp", storm::logic::RewardMeasureType::Expectation)
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("var", storm::logic::RewardMeasureType::Variance);
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}
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};
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// A parser used for recognizing the reward measure types.
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rewardMeasureTypeStruct rewardMeasureType_;
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// The manager used to parse expressions.
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std::shared_ptr<storm::expressions::ExpressionManager const> manager;
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// Parser and manager used for recognizing expressions.
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storm::parser::ExpressionParser expressionParser;
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// A symbol table that is a mapping from identifiers that can be used in expressions to the expressions
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// they are to be replaced with.
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qi::symbols<char, storm::expressions::Expression> identifiers_;
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qi::rule<Iterator, std::vector<std::shared_ptr<storm::logic::Formula const>>(), Skipper> start;
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qi::rule<Iterator, storm::logic::OperatorInformation(), qi::locals<boost::optional<storm::OptimizationDirection>, boost::optional<storm::logic::ComparisonType>, boost::optional<storm::expressions::Expression>>, Skipper> operatorInformation;
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qi::rule<Iterator, storm::logic::RewardMeasureType(), Skipper> rewardMeasureType;
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qi::rule<Iterator, std::shared_ptr<storm::logic::Formula const>(), Skipper> probabilityOperator;
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qi::rule<Iterator, std::shared_ptr<storm::logic::Formula const>(), Skipper> rewardOperator;
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qi::rule<Iterator, std::shared_ptr<storm::logic::Formula const>(), Skipper> timeOperator;
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qi::rule<Iterator, std::shared_ptr<storm::logic::Formula const>(), Skipper> longRunAverageOperator;
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qi::rule<Iterator, std::shared_ptr<storm::logic::Formula const>(), Skipper> simpleFormula;
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qi::rule<Iterator, std::shared_ptr<storm::logic::Formula const>(), Skipper> stateFormula;
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qi::rule<Iterator, std::shared_ptr<storm::logic::Formula const>(storm::logic::FormulaContext), Skipper> pathFormula;
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qi::rule<Iterator, std::shared_ptr<storm::logic::Formula const>(storm::logic::FormulaContext), Skipper> pathFormulaWithoutUntil;
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qi::rule<Iterator, std::shared_ptr<storm::logic::Formula const>(), Skipper> simplePathFormula;
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qi::rule<Iterator, std::shared_ptr<storm::logic::Formula const>(), Skipper> atomicStateFormula;
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qi::rule<Iterator, std::shared_ptr<storm::logic::Formula const>(), Skipper> operatorFormula;
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qi::rule<Iterator, std::string(), Skipper> label;
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qi::rule<Iterator, std::string(), Skipper> rewardModelName;
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qi::rule<Iterator, std::shared_ptr<storm::logic::Formula const>(), Skipper> andStateFormula;
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qi::rule<Iterator, std::shared_ptr<storm::logic::Formula const>(), Skipper> orStateFormula;
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qi::rule<Iterator, std::shared_ptr<storm::logic::Formula const>(), Skipper> notStateFormula;
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qi::rule<Iterator, std::shared_ptr<storm::logic::Formula const>(), Skipper> labelFormula;
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qi::rule<Iterator, std::shared_ptr<storm::logic::Formula const>(), Skipper> expressionFormula;
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qi::rule<Iterator, std::shared_ptr<storm::logic::Formula const>(), qi::locals<bool>, Skipper> booleanLiteralFormula;
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qi::rule<Iterator, std::shared_ptr<storm::logic::Formula const>(storm::logic::FormulaContext), Skipper> conditionalFormula;
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qi::rule<Iterator, std::shared_ptr<storm::logic::Formula const>(storm::logic::FormulaContext), Skipper> eventuallyFormula;
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qi::rule<Iterator, std::shared_ptr<storm::logic::Formula const>(storm::logic::FormulaContext), Skipper> nextFormula;
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qi::rule<Iterator, std::shared_ptr<storm::logic::Formula const>(storm::logic::FormulaContext), Skipper> globallyFormula;
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qi::rule<Iterator, std::shared_ptr<storm::logic::Formula const>(storm::logic::FormulaContext), Skipper> untilFormula;
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qi::rule<Iterator, std::pair<boost::optional<storm::logic::UntilBound>>(), qi::locals<bool, bool>, Skipper> timeBound;
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qi::rule<Iterator, std::shared_ptr<storm::logic::Formula const>(), Skipper> rewardPathFormula;
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qi::rule<Iterator, std::shared_ptr<storm::logic::Formula const>(), Skipper> cumulativeRewardFormula;
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qi::rule<Iterator, std::shared_ptr<storm::logic::Formula const>(), Skipper> totalRewardFormula;
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qi::rule<Iterator, std::shared_ptr<storm::logic::Formula const>(), Skipper> instantaneousRewardFormula;
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qi::rule<Iterator, std::shared_ptr<storm::logic::Formula const>(), Skipper> longRunAverageRewardFormula;
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qi::rule<Iterator, std::shared_ptr<storm::logic::Formula const>(), Skipper> multiObjectiveFormula;
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// Parser that is used to recognize doubles only (as opposed to Spirit's double_ parser).
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boost::spirit::qi::real_parser<double, boost::spirit::qi::strict_real_policies<double>> strict_double;
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std::pair<boost::optional<storm::logic::UntilBound>, boost::optional<storm::logic::UntilBound>> createTimeBoundFromInterval(storm::expressions::Expression const& lowerBound, storm::expressions::Expression const& upperBound) const;
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std::pair<boost::optional<storm::logic::UntilBound>, boost::optional<storm::logic::UntilBound>> createTimeBoundFromSingleBound(storm::expressions::Expression const& bound, bool upperBound, bool strict) const;
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// Methods that actually create the expression objects.
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std::shared_ptr<storm::logic::Formula const> createInstantaneousRewardFormula(boost::variant<unsigned, double> const& timeBound) const;
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std::shared_ptr<storm::logic::Formula const> createCumulativeRewardFormula(boost::variant<unsigned, double> const& timeBound) const;
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std::shared_ptr<storm::logic::Formula const> createTotalRewardFormula() const;
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std::shared_ptr<storm::logic::Formula const> createLongRunAverageRewardFormula() const;
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std::shared_ptr<storm::logic::Formula const> createAtomicExpressionFormula(storm::expressions::Expression const& expression) const;
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std::shared_ptr<storm::logic::Formula const> createBooleanLiteralFormula(bool literal) const;
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std::shared_ptr<storm::logic::Formula const> createAtomicLabelFormula(std::string const& label) const;
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std::shared_ptr<storm::logic::Formula const> createEventuallyFormula(boost::optional<std::pair<boost::optional<storm::logic::UntilBound>, boost::optional<storm::logic::UntilBound>>> const& timeBound, storm::logic::FormulaContext context, std::shared_ptr<storm::logic::Formula const> const& subformula) const;
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std::shared_ptr<storm::logic::Formula const> createGloballyFormula(std::shared_ptr<storm::logic::Formula const> const& subformula) const;
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std::shared_ptr<storm::logic::Formula const> createNextFormula(std::shared_ptr<storm::logic::Formula const> const& subformula) const;
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std::shared_ptr<storm::logic::Formula const> createUntilFormula(std::shared_ptr<storm::logic::Formula const> const& leftSubformula, boost::optional<std::pair<boost::optional<storm::logic::UntilBound>, boost::optional<storm::logic::UntilBound>>> const& timeBound, std::shared_ptr<storm::logic::Formula const> const& rightSubformula);
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std::shared_ptr<storm::logic::Formula const> createConditionalFormula(std::shared_ptr<storm::logic::Formula const> const& leftSubformula, std::shared_ptr<storm::logic::Formula const> const& rightSubformula, storm::logic::FormulaContext context) const;
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storm::logic::OperatorInformation createOperatorInformation(boost::optional<storm::OptimizationDirection> const& optimizationDirection, boost::optional<storm::logic::ComparisonType> const& comparisonType, boost::optional<storm::expressions::Expression> const& threshold) const;
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std::shared_ptr<storm::logic::Formula const> createLongRunAverageOperatorFormula(storm::logic::OperatorInformation const& operatorInformation, std::shared_ptr<storm::logic::Formula const> const& subformula) const;
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std::shared_ptr<storm::logic::Formula const> createRewardOperatorFormula(boost::optional<storm::logic::RewardMeasureType> const& rewardMeasureType, boost::optional<std::string> const& rewardModelName, storm::logic::OperatorInformation const& operatorInformation, std::shared_ptr<storm::logic::Formula const> const& subformula) const;
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std::shared_ptr<storm::logic::Formula const> createTimeOperatorFormula(boost::optional<storm::logic::RewardMeasureType> const& rewardMeasureType, storm::logic::OperatorInformation const& operatorInformation, std::shared_ptr<storm::logic::Formula const> const& subformula) const;
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std::shared_ptr<storm::logic::Formula const> createProbabilityOperatorFormula(storm::logic::OperatorInformation const& operatorInformation, std::shared_ptr<storm::logic::Formula const> const& subformula);
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std::shared_ptr<storm::logic::Formula const> createBinaryBooleanStateFormula(std::shared_ptr<storm::logic::Formula const> const& leftSubformula, std::shared_ptr<storm::logic::Formula const> const& rightSubformula, storm::logic::BinaryBooleanStateFormula::OperatorType operatorType);
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std::shared_ptr<storm::logic::Formula const> createUnaryBooleanStateFormula(std::shared_ptr<storm::logic::Formula const> const& subformula, boost::optional<storm::logic::UnaryBooleanStateFormula::OperatorType> const& operatorType);
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std::shared_ptr<storm::logic::Formula const> createMultiObjectiveFormula(std::vector<std::shared_ptr<storm::logic::Formula const>> const& subformulas);
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// An error handler function.
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phoenix::function<SpiritErrorHandler> handler;
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};
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}
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}
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