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442 lines
34 KiB
442 lines
34 KiB
#include "FormulaParserGrammar.h"
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#include "storm/storage/expressions/ExpressionManager.h"
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namespace storm {
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namespace parser {
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FormulaParserGrammar::FormulaParserGrammar(std::shared_ptr<storm::expressions::ExpressionManager const> const& manager) : FormulaParserGrammar::base_type(start), constManager(manager), manager(nullptr), expressionParser(*manager, keywords_, true, true), propertyCount(0) {
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initialize();
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}
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FormulaParserGrammar::FormulaParserGrammar(std::shared_ptr<storm::expressions::ExpressionManager> const& manager) : FormulaParserGrammar::base_type(start), constManager(manager), manager(manager), expressionParser(*manager, keywords_, true, true), propertyCount(0) {
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initialize();
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}
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void FormulaParserGrammar::initialize() {
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// Register all variables so we can parse them in the expressions.
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for (auto variableTypePair : *constManager) {
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identifiers_.add(variableTypePair.first.getName(), variableTypePair.first);
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}
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// Set the identifier mapping to actually generate expressions.
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expressionParser.setIdentifierMapping(&identifiers_);
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longRunAverageRewardFormula = (qi::lit("LRA") | qi::lit("S") | qi::lit("MP"))[qi::_val = phoenix::bind(&FormulaParserGrammar::createLongRunAverageRewardFormula, phoenix::ref(*this))];
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longRunAverageRewardFormula.name("long run average reward formula");
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instantaneousRewardFormula = (qi::lit("I=") > expressionParser)[qi::_val = phoenix::bind(&FormulaParserGrammar::createInstantaneousRewardFormula, phoenix::ref(*this), qi::_1)];
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instantaneousRewardFormula.name("instantaneous reward formula");
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cumulativeRewardFormula = (qi::lit("C") >> timeBounds)[qi::_val = phoenix::bind(&FormulaParserGrammar::createCumulativeRewardFormula, phoenix::ref(*this), qi::_1)];
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cumulativeRewardFormula.name("cumulative reward formula");
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totalRewardFormula = (qi::lit("C"))[qi::_val = phoenix::bind(&FormulaParserGrammar::createTotalRewardFormula, phoenix::ref(*this))];
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totalRewardFormula.name("total reward formula");
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rewardPathFormula = longRunAverageRewardFormula | conditionalFormula(storm::logic::FormulaContext::Reward) | eventuallyFormula(storm::logic::FormulaContext::Reward) | cumulativeRewardFormula | instantaneousRewardFormula | totalRewardFormula;
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rewardPathFormula.name("reward path formula");
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expressionFormula = expressionParser[qi::_val = phoenix::bind(&FormulaParserGrammar::createAtomicExpressionFormula, phoenix::ref(*this), qi::_1)];
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expressionFormula.name("expression formula");
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label = qi::as_string[qi::raw[qi::lexeme[((qi::alpha | qi::char_('_')) >> *(qi::alnum | qi::char_('_')))]]];
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label.name("label");
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labelFormula = (qi::lit("\"") >> label >> qi::lit("\""))[qi::_val = phoenix::bind(&FormulaParserGrammar::createAtomicLabelFormula, phoenix::ref(*this), qi::_1)];
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labelFormula.name("label formula");
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booleanLiteralFormula = (qi::lit("true")[qi::_a = true] | qi::lit("false")[qi::_a = false])[qi::_val = phoenix::bind(&FormulaParserGrammar::createBooleanLiteralFormula, phoenix::ref(*this), qi::_a)];
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booleanLiteralFormula.name("boolean literal formula");
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operatorFormula = probabilityOperator | rewardOperator | longRunAverageOperator | timeOperator;
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operatorFormula.name("operator formulas");
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atomicStateFormula = booleanLiteralFormula | labelFormula | expressionFormula | (qi::lit("(") > stateFormula > qi::lit(")")) | operatorFormula;
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atomicStateFormula.name("atomic state formula");
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atomicStateFormulaWithoutExpression = booleanLiteralFormula | labelFormula | (qi::lit("(") > stateFormula > qi::lit(")")) | operatorFormula;
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atomicStateFormula.name("atomic state formula without expression");
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notStateFormula = (unaryBooleanOperator_ >> atomicStateFormulaWithoutExpression)[qi::_val = phoenix::bind(&FormulaParserGrammar::createUnaryBooleanStateFormula, phoenix::ref(*this), qi::_2, qi::_1)] | atomicStateFormula[qi::_val = qi::_1];
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notStateFormula.name("negation formula");
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eventuallyFormula = (qi::lit("F") >> (-timeBounds) >> pathFormulaWithoutUntil(qi::_r1))[qi::_val = phoenix::bind(&FormulaParserGrammar::createEventuallyFormula, phoenix::ref(*this), qi::_1, qi::_r1, qi::_2)];
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eventuallyFormula.name("eventually formula");
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globallyFormula = (qi::lit("G") >> pathFormulaWithoutUntil(qi::_r1))[qi::_val = phoenix::bind(&FormulaParserGrammar::createGloballyFormula, phoenix::ref(*this), qi::_1)];
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globallyFormula.name("globally formula");
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nextFormula = (qi::lit("X") >> pathFormulaWithoutUntil(qi::_r1))[qi::_val = phoenix::bind(&FormulaParserGrammar::createNextFormula, phoenix::ref(*this), qi::_1)];
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nextFormula.name("next formula");
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pathFormulaWithoutUntil = eventuallyFormula(qi::_r1) | globallyFormula(qi::_r1) | nextFormula(qi::_r1) | stateFormula;
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pathFormulaWithoutUntil.name("path formula");
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untilFormula = pathFormulaWithoutUntil(qi::_r1)[qi::_val = qi::_1] >> *(qi::lit("U") >> (-timeBounds) >> pathFormulaWithoutUntil(qi::_r1))[qi::_val = phoenix::bind(&FormulaParserGrammar::createUntilFormula, phoenix::ref(*this), qi::_val, qi::_1, qi::_2)];
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untilFormula.name("until formula");
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conditionalFormula = untilFormula(qi::_r1)[qi::_val = qi::_1] >> *(qi::lit("||") >> untilFormula(storm::logic::FormulaContext::Probability))[qi::_val = phoenix::bind(&FormulaParserGrammar::createConditionalFormula, phoenix::ref(*this), qi::_val, qi::_1, qi::_r1)];
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conditionalFormula.name("conditional formula");
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timeBoundReference = (-qi::lit("rew") >> rewardModelName)[qi::_val = phoenix::bind(&FormulaParserGrammar::createTimeBoundReference, phoenix::ref(*this), storm::logic::TimeBoundType::Reward, qi::_1)]
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| (qi::lit("steps"))[qi::_val = phoenix::bind(&FormulaParserGrammar::createTimeBoundReference, phoenix::ref(*this), storm::logic::TimeBoundType::Steps, boost::none)]
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| (-qi::lit("time"))[qi::_val = phoenix::bind(&FormulaParserGrammar::createTimeBoundReference, phoenix::ref(*this), storm::logic::TimeBoundType::Time, boost::none)];
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timeBoundReference.name("time bound reference");
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timeBound = ((timeBoundReference >> qi::lit("[")) > expressionParser > qi::lit(",") > expressionParser > qi::lit("]"))
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[qi::_val = phoenix::bind(&FormulaParserGrammar::createTimeBoundFromInterval, phoenix::ref(*this), qi::_2, qi::_3, qi::_1)]
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| ( timeBoundReference >> (qi::lit("<=")[qi::_a = true, qi::_b = false] | qi::lit("<")[qi::_a = true, qi::_b = true] | qi::lit(">=")[qi::_a = false, qi::_b = false] | qi::lit(">")[qi::_a = false, qi::_b = true]) >> expressionParser)
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[qi::_val = phoenix::bind(&FormulaParserGrammar::createTimeBoundFromSingleBound, phoenix::ref(*this), qi::_2, qi::_a, qi::_b, qi::_1)];
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timeBound.name("time bound");
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timeBounds = (timeBound % qi::lit(",")) | (((-qi::lit("^") >> qi::lit("{")) >> (timeBound % qi::lit(","))) >> qi::lit("}"));
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timeBounds.name("time bounds");
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pathFormula = conditionalFormula(qi::_r1);
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pathFormula.name("path formula");
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rewardMeasureType = qi::lit("[") >> rewardMeasureType_ >> qi::lit("]");
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rewardMeasureType.name("reward measure type");
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operatorInformation = (-optimalityOperator_[qi::_a = qi::_1] >> ((relationalOperator_[qi::_b = qi::_1] > expressionParser[qi::_c = qi::_1]) | (qi::lit("=") > qi::lit("?"))))[qi::_val = phoenix::bind(&FormulaParserGrammar::createOperatorInformation, phoenix::ref(*this), qi::_a, qi::_b, qi::_c)];
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operatorInformation.name("operator information");
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longRunAverageOperator = ((qi::lit("LRA") | qi::lit("S")) > operatorInformation > qi::lit("[") > stateFormula > qi::lit("]"))[qi::_val = phoenix::bind(&FormulaParserGrammar::createLongRunAverageOperatorFormula, phoenix::ref(*this), qi::_1, qi::_2)];
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longRunAverageOperator.name("long-run average operator");
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rewardModelName = qi::lit("{\"") > label > qi::lit("\"}");
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rewardModelName.name("reward model name");
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rewardOperator = (qi::lit("R") > -rewardMeasureType > -rewardModelName > operatorInformation > qi::lit("[") > rewardPathFormula > qi::lit("]"))[qi::_val = phoenix::bind(&FormulaParserGrammar::createRewardOperatorFormula, phoenix::ref(*this), qi::_1, qi::_2, qi::_3, qi::_4)];
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rewardOperator.name("reward operator");
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timeOperator = (qi::lit("T") > -rewardMeasureType > operatorInformation > qi::lit("[") > eventuallyFormula(storm::logic::FormulaContext::Time) > qi::lit("]"))[qi::_val = phoenix::bind(&FormulaParserGrammar::createTimeOperatorFormula, phoenix::ref(*this), qi::_1, qi::_2, qi::_3)];
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timeOperator.name("time operator");
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probabilityOperator = (qi::lit("P") > operatorInformation > qi::lit("[") > pathFormula(storm::logic::FormulaContext::Probability) > qi::lit("]"))[qi::_val = phoenix::bind(&FormulaParserGrammar::createProbabilityOperatorFormula, phoenix::ref(*this), qi::_1, qi::_2)];
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probabilityOperator.name("probability operator");
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andStateFormula = notStateFormula[qi::_val = qi::_1] >> *(qi::lit("&") >> notStateFormula)[qi::_val = phoenix::bind(&FormulaParserGrammar::createBinaryBooleanStateFormula, phoenix::ref(*this), qi::_val, qi::_1, storm::logic::BinaryBooleanStateFormula::OperatorType::And)];
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andStateFormula.name("and state formula");
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orStateFormula = andStateFormula[qi::_val = qi::_1] >> *(qi::lit("|") >> andStateFormula)[qi::_val = phoenix::bind(&FormulaParserGrammar::createBinaryBooleanStateFormula, phoenix::ref(*this), qi::_val, qi::_1, storm::logic::BinaryBooleanStateFormula::OperatorType::Or)];
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orStateFormula.name("or state formula");
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multiFormula = (qi::lit("multi") > qi::lit("(") >> ((pathFormula(storm::logic::FormulaContext::Probability) | stateFormula) % qi::lit(",")) >> qi::lit(")"))[qi::_val = phoenix::bind(&FormulaParserGrammar::createMultiFormula, phoenix::ref(*this), qi::_1)];
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multiFormula.name("Multi formula");
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stateFormula = (orStateFormula | multiFormula);
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stateFormula.name("state formula");
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identifier %= qi::as_string[qi::raw[qi::lexeme[((qi::alpha | qi::char_('_') | qi::char_('.')) >> *(qi::alnum | qi::char_('_')))]]];
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identifier.name("identifier");
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formulaName = qi::lit("\"") >> identifier >> qi::lit("\"") >> qi::lit(":");
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formulaName.name("formula name");
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constantDefinition = (qi::lit("const") > -(qi::lit("int")[qi::_a = ConstantDataType::Integer] | qi::lit("bool")[qi::_a = ConstantDataType::Bool] | qi::lit("double")[qi::_a = ConstantDataType::Rational]) >> identifier >> -(qi::lit("=") > expressionParser))[phoenix::bind(&FormulaParserGrammar::addConstant, phoenix::ref(*this), qi::_1, qi::_a, qi::_2)];
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constantDefinition.name("constant definition");
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Woverloaded-shift-op-parentheses"
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filterProperty = (-formulaName >> qi::lit("filter") > qi::lit("(") > filterType_ > qi::lit(",") > stateFormula > qi::lit(",") > stateFormula > qi::lit(")"))[qi::_val = phoenix::bind(&FormulaParserGrammar::createProperty, phoenix::ref(*this), qi::_1, qi::_2, qi::_3, qi::_4)] | (-formulaName >> stateFormula)[qi::_val = phoenix::bind(&FormulaParserGrammar::createPropertyWithDefaultFilterTypeAndStates, phoenix::ref(*this), qi::_1, qi::_2)];
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filterProperty.name("filter property");
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#pragma clang diagnostic pop
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start = (qi::eps >> filterProperty[phoenix::push_back(qi::_val, qi::_1)]
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| qi::eps(phoenix::bind(&FormulaParserGrammar::areConstantDefinitionsAllowed, phoenix::ref(*this))) >> constantDefinition
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| qi::eps)
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% +(qi::char_("\n;")) >> qi::skip(storm::spirit_encoding::space_type() | qi::lit("//") >> *(qi::char_ - (qi::eol | qi::eoi)))[qi::eps] >> qi::eoi;
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start.name("start");
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// Enable the following lines to print debug output for most the rules.
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// debug(start);
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// debug(constantDefinition);
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// debug(stateFormula);
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// debug(orStateFormula);
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// debug(andStateFormula);
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// debug(probabilityOperator);
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// debug(rewardOperator);
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// debug(longRunAverageOperator);
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// debug(timeOperator);
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// debug(pathFormulaWithoutUntil);
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// debug(pathFormula);
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// debug(conditionalFormula);
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// debug(nextFormula);
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// debug(globallyFormula);
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// debug(eventuallyFormula);
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// debug(atomicStateFormula);
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// debug(booleanLiteralFormula);
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// debug(labelFormula);
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// debug(expressionFormula);
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// debug(rewardPathFormula);
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// debug(cumulativeRewardFormula);
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// debug(totalRewardFormula);
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// debug(instantaneousRewardFormula);
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// debug(multiFormula);
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// Enable error reporting.
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qi::on_error<qi::fail>(start, handler(qi::_1, qi::_2, qi::_3, qi::_4));
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qi::on_error<qi::fail>(stateFormula, handler(qi::_1, qi::_2, qi::_3, qi::_4));
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qi::on_error<qi::fail>(orStateFormula, handler(qi::_1, qi::_2, qi::_3, qi::_4));
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qi::on_error<qi::fail>(andStateFormula, handler(qi::_1, qi::_2, qi::_3, qi::_4));
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qi::on_error<qi::fail>(probabilityOperator, handler(qi::_1, qi::_2, qi::_3, qi::_4));
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qi::on_error<qi::fail>(rewardOperator, handler(qi::_1, qi::_2, qi::_3, qi::_4));
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qi::on_error<qi::fail>(longRunAverageOperator, handler(qi::_1, qi::_2, qi::_3, qi::_4));
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qi::on_error<qi::fail>(timeOperator, handler(qi::_1, qi::_2, qi::_3, qi::_4));
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qi::on_error<qi::fail>(operatorInformation, handler(qi::_1, qi::_2, qi::_3, qi::_4));
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qi::on_error<qi::fail>(pathFormulaWithoutUntil, handler(qi::_1, qi::_2, qi::_3, qi::_4));
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qi::on_error<qi::fail>(pathFormula, handler(qi::_1, qi::_2, qi::_3, qi::_4));
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qi::on_error<qi::fail>(conditionalFormula, handler(qi::_1, qi::_2, qi::_3, qi::_4));
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qi::on_error<qi::fail>(untilFormula, handler(qi::_1, qi::_2, qi::_3, qi::_4));
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qi::on_error<qi::fail>(nextFormula, handler(qi::_1, qi::_2, qi::_3, qi::_4));
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qi::on_error<qi::fail>(globallyFormula, handler(qi::_1, qi::_2, qi::_3, qi::_4));
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qi::on_error<qi::fail>(eventuallyFormula, handler(qi::_1, qi::_2, qi::_3, qi::_4));
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qi::on_error<qi::fail>(atomicStateFormula, handler(qi::_1, qi::_2, qi::_3, qi::_4));
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qi::on_error<qi::fail>(booleanLiteralFormula, handler(qi::_1, qi::_2, qi::_3, qi::_4));
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qi::on_error<qi::fail>(labelFormula, handler(qi::_1, qi::_2, qi::_3, qi::_4));
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qi::on_error<qi::fail>(expressionFormula, handler(qi::_1, qi::_2, qi::_3, qi::_4));
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qi::on_error<qi::fail>(rewardPathFormula, handler(qi::_1, qi::_2, qi::_3, qi::_4));
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qi::on_error<qi::fail>(cumulativeRewardFormula, handler(qi::_1, qi::_2, qi::_3, qi::_4));
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qi::on_error<qi::fail>(totalRewardFormula, handler(qi::_1, qi::_2, qi::_3, qi::_4));
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qi::on_error<qi::fail>(instantaneousRewardFormula, handler(qi::_1, qi::_2, qi::_3, qi::_4));
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qi::on_error<qi::fail>(multiFormula, handler(qi::_1, qi::_2, qi::_3, qi::_4));
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}
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void FormulaParserGrammar::addIdentifierExpression(std::string const& identifier, storm::expressions::Expression const& expression) {
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this->identifiers_.add(identifier, expression);
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}
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void FormulaParserGrammar::addConstant(std::string const& name, ConstantDataType type, boost::optional<storm::expressions::Expression> const& expression) {
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STORM_LOG_ASSERT(manager, "Mutable expression manager required to define new constants.");
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storm::expressions::Variable newVariable;
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STORM_LOG_THROW(!manager->hasVariable(name), storm::exceptions::WrongFormatException, "Invalid constant definition '" << name << "' in property: variable already exists.");
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if (type == ConstantDataType::Bool) {
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newVariable = manager->declareBooleanVariable(name);
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} else if (type == ConstantDataType::Integer) {
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newVariable = manager->declareIntegerVariable(name);
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} else {
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newVariable = manager->declareRationalVariable(name);
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}
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if (expression) {
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addIdentifierExpression(name, expression.get());
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} else {
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addIdentifierExpression(name, newVariable);
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}
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}
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bool FormulaParserGrammar::areConstantDefinitionsAllowed() const {
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return static_cast<bool>(manager);
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}
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std::shared_ptr<storm::logic::TimeBoundReference> FormulaParserGrammar::createTimeBoundReference(storm::logic::TimeBoundType const& type, boost::optional<std::string> const& rewardModelName) const {
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if (type == storm::logic::TimeBoundType::Reward) {
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STORM_LOG_THROW(rewardModelName, storm::exceptions::WrongFormatException, "Reward bound does not specify a reward model name.");
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return std::make_shared<storm::logic::TimeBoundReference>(rewardModelName.get());
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} else {
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return std::make_shared<storm::logic::TimeBoundReference>(type);
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}
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}
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std::tuple<boost::optional<storm::logic::TimeBound>, boost::optional<storm::logic::TimeBound>, std::shared_ptr<storm::logic::TimeBoundReference>> FormulaParserGrammar::createTimeBoundFromInterval(storm::expressions::Expression const& lowerBound, storm::expressions::Expression const& upperBound, std::shared_ptr<storm::logic::TimeBoundReference> const& timeBoundReference) const {
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// As soon as it somehow does not break everything anymore, I will change return types here.
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storm::logic::TimeBound lower(false, lowerBound);
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storm::logic::TimeBound upper(false, upperBound);
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return std::make_tuple(lower, upper, timeBoundReference);
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}
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std::tuple<boost::optional<storm::logic::TimeBound>, boost::optional<storm::logic::TimeBound>, std::shared_ptr<storm::logic::TimeBoundReference>> FormulaParserGrammar::createTimeBoundFromSingleBound(storm::expressions::Expression const& bound, bool upperBound, bool strict, std::shared_ptr<storm::logic::TimeBoundReference> const& timeBoundReference) const {
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// As soon as it somehow does not break everything anymore, I will change return types here.
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if (upperBound) {
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return std::make_tuple(boost::none, storm::logic::TimeBound(strict, bound), timeBoundReference);
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} else {
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return std::make_tuple(storm::logic::TimeBound(strict, bound), boost::none, timeBoundReference);
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}
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}
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std::shared_ptr<storm::logic::Formula const> FormulaParserGrammar::createInstantaneousRewardFormula(storm::expressions::Expression const& timeBound) const {
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return std::shared_ptr<storm::logic::Formula const>(new storm::logic::InstantaneousRewardFormula(timeBound));
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}
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std::shared_ptr<storm::logic::Formula const> FormulaParserGrammar::createCumulativeRewardFormula(std::vector<std::tuple<boost::optional<storm::logic::TimeBound>, boost::optional<storm::logic::TimeBound>, std::shared_ptr<storm::logic::TimeBoundReference>>> const& timeBounds) const {
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std::vector<storm::logic::TimeBound> bounds;
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std::vector<storm::logic::TimeBoundReference> timeBoundReferences;
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for (auto const& timeBound : timeBounds) {
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STORM_LOG_THROW(!std::get<0>(timeBound), storm::exceptions::WrongFormatException, "Cumulative reward formulas with lower time bound are not allowed.");
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STORM_LOG_THROW(std::get<1>(timeBound), storm::exceptions::WrongFormatException, "Cumulative reward formulas require an upper bound.");
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bounds.push_back(std::get<1>(timeBound).get());
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timeBoundReferences.emplace_back(*std::get<2>(timeBound));
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}
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return std::shared_ptr<storm::logic::Formula const>(new storm::logic::CumulativeRewardFormula(bounds, timeBoundReferences));
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}
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std::shared_ptr<storm::logic::Formula const> FormulaParserGrammar::createTotalRewardFormula() const {
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return std::shared_ptr<storm::logic::Formula const>(new storm::logic::TotalRewardFormula());
|
|
}
|
|
|
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std::shared_ptr<storm::logic::Formula const> FormulaParserGrammar::createLongRunAverageRewardFormula() const {
|
|
return std::shared_ptr<storm::logic::Formula const>(new storm::logic::LongRunAverageRewardFormula());
|
|
}
|
|
|
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std::shared_ptr<storm::logic::Formula const> FormulaParserGrammar::createAtomicExpressionFormula(storm::expressions::Expression const& expression) const {
|
|
STORM_LOG_THROW(expression.hasBooleanType(), storm::exceptions::WrongFormatException, "Expected expression of boolean type.");
|
|
return std::shared_ptr<storm::logic::Formula const>(new storm::logic::AtomicExpressionFormula(expression));
|
|
}
|
|
|
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std::shared_ptr<storm::logic::Formula const> FormulaParserGrammar::createBooleanLiteralFormula(bool literal) const {
|
|
return std::shared_ptr<storm::logic::Formula const>(new storm::logic::BooleanLiteralFormula(literal));
|
|
}
|
|
|
|
std::shared_ptr<storm::logic::Formula const> FormulaParserGrammar::createAtomicLabelFormula(std::string const& label) const {
|
|
return std::shared_ptr<storm::logic::Formula const>(new storm::logic::AtomicLabelFormula(label));
|
|
}
|
|
|
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std::shared_ptr<storm::logic::Formula const> FormulaParserGrammar::createEventuallyFormula(boost::optional<std::vector<std::tuple<boost::optional<storm::logic::TimeBound>, boost::optional<storm::logic::TimeBound>, std::shared_ptr<storm::logic::TimeBoundReference>>>> const& timeBounds, storm::logic::FormulaContext context, std::shared_ptr<storm::logic::Formula const> const& subformula) const {
|
|
if (timeBounds && !timeBounds.get().empty()) {
|
|
std::vector<boost::optional<storm::logic::TimeBound>> lowerBounds, upperBounds;
|
|
std::vector<storm::logic::TimeBoundReference> timeBoundReferences;
|
|
for (auto const& timeBound : timeBounds.get()) {
|
|
lowerBounds.push_back(std::get<0>(timeBound));
|
|
upperBounds.push_back(std::get<1>(timeBound));
|
|
timeBoundReferences.emplace_back(*std::get<2>(timeBound));
|
|
}
|
|
return std::shared_ptr<storm::logic::Formula const>(new storm::logic::BoundedUntilFormula(createBooleanLiteralFormula(true), subformula, lowerBounds, upperBounds, timeBoundReferences));
|
|
} else {
|
|
return std::shared_ptr<storm::logic::Formula const>(new storm::logic::EventuallyFormula(subformula, context));
|
|
}
|
|
}
|
|
|
|
std::shared_ptr<storm::logic::Formula const> FormulaParserGrammar::createGloballyFormula(std::shared_ptr<storm::logic::Formula const> const& subformula) const {
|
|
return std::shared_ptr<storm::logic::Formula const>(new storm::logic::GloballyFormula(subformula));
|
|
}
|
|
|
|
std::shared_ptr<storm::logic::Formula const> FormulaParserGrammar::createNextFormula(std::shared_ptr<storm::logic::Formula const> const& subformula) const {
|
|
return std::shared_ptr<storm::logic::Formula const>(new storm::logic::NextFormula(subformula));
|
|
}
|
|
|
|
std::shared_ptr<storm::logic::Formula const> FormulaParserGrammar::createUntilFormula(std::shared_ptr<storm::logic::Formula const> const& leftSubformula, boost::optional<std::vector<std::tuple<boost::optional<storm::logic::TimeBound>, boost::optional<storm::logic::TimeBound>, std::shared_ptr<storm::logic::TimeBoundReference>>>> const& timeBounds, std::shared_ptr<storm::logic::Formula const> const& rightSubformula) {
|
|
if (timeBounds && !timeBounds.get().empty()) {
|
|
std::vector<boost::optional<storm::logic::TimeBound>> lowerBounds, upperBounds;
|
|
std::vector<storm::logic::TimeBoundReference> timeBoundReferences;
|
|
for (auto const& timeBound : timeBounds.get()) {
|
|
lowerBounds.push_back(std::get<0>(timeBound));
|
|
upperBounds.push_back(std::get<1>(timeBound));
|
|
timeBoundReferences.emplace_back(*std::get<2>(timeBound));
|
|
}
|
|
return std::shared_ptr<storm::logic::Formula const>(new storm::logic::BoundedUntilFormula(leftSubformula, rightSubformula, lowerBounds, upperBounds, timeBoundReferences));
|
|
} else {
|
|
return std::shared_ptr<storm::logic::Formula const>(new storm::logic::UntilFormula(leftSubformula, rightSubformula));
|
|
}
|
|
}
|
|
|
|
std::shared_ptr<storm::logic::Formula const> FormulaParserGrammar::createConditionalFormula(std::shared_ptr<storm::logic::Formula const> const& leftSubformula, std::shared_ptr<storm::logic::Formula const> const& rightSubformula, storm::logic::FormulaContext context) const {
|
|
return std::shared_ptr<storm::logic::Formula const>(new storm::logic::ConditionalFormula(leftSubformula, rightSubformula, context));
|
|
}
|
|
|
|
storm::logic::OperatorInformation FormulaParserGrammar::createOperatorInformation(boost::optional<storm::OptimizationDirection> const& optimizationDirection, boost::optional<storm::logic::ComparisonType> const& comparisonType, boost::optional<storm::expressions::Expression> const& threshold) const {
|
|
if (comparisonType && threshold) {
|
|
storm::expressions::ExpressionEvaluator<storm::RationalNumber> evaluator(*constManager);
|
|
return storm::logic::OperatorInformation(optimizationDirection, storm::logic::Bound(comparisonType.get(), threshold.get()));
|
|
} else {
|
|
return storm::logic::OperatorInformation(optimizationDirection, boost::none);
|
|
}
|
|
}
|
|
|
|
std::shared_ptr<storm::logic::Formula const> FormulaParserGrammar::createLongRunAverageOperatorFormula(storm::logic::OperatorInformation const& operatorInformation, std::shared_ptr<storm::logic::Formula const> const& subformula) const {
|
|
return std::shared_ptr<storm::logic::Formula const>(new storm::logic::LongRunAverageOperatorFormula(subformula, operatorInformation));
|
|
}
|
|
|
|
std::shared_ptr<storm::logic::Formula const> FormulaParserGrammar::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 {
|
|
storm::logic::RewardMeasureType measureType = storm::logic::RewardMeasureType::Expectation;
|
|
if (rewardMeasureType) {
|
|
measureType = rewardMeasureType.get();
|
|
}
|
|
return std::shared_ptr<storm::logic::Formula const>(new storm::logic::RewardOperatorFormula(subformula, rewardModelName, operatorInformation, measureType));
|
|
}
|
|
|
|
std::shared_ptr<storm::logic::Formula const> FormulaParserGrammar::createTimeOperatorFormula(boost::optional<storm::logic::RewardMeasureType> const& rewardMeasureType, storm::logic::OperatorInformation const& operatorInformation, std::shared_ptr<storm::logic::Formula const> const& subformula) const {
|
|
storm::logic::RewardMeasureType measureType = storm::logic::RewardMeasureType::Expectation;
|
|
if (rewardMeasureType) {
|
|
measureType = rewardMeasureType.get();
|
|
}
|
|
return std::shared_ptr<storm::logic::Formula const>(new storm::logic::TimeOperatorFormula(subformula, operatorInformation, measureType));
|
|
}
|
|
|
|
std::shared_ptr<storm::logic::Formula const> FormulaParserGrammar::createProbabilityOperatorFormula(storm::logic::OperatorInformation const& operatorInformation, std::shared_ptr<storm::logic::Formula const> const& subformula) {
|
|
return std::shared_ptr<storm::logic::Formula const>(new storm::logic::ProbabilityOperatorFormula(subformula, operatorInformation));
|
|
}
|
|
|
|
std::shared_ptr<storm::logic::Formula const> FormulaParserGrammar::createBinaryBooleanStateFormula(std::shared_ptr<storm::logic::Formula const> const& leftSubformula, std::shared_ptr<storm::logic::Formula const> const& rightSubformula, storm::logic::BinaryBooleanStateFormula::OperatorType operatorType) {
|
|
return std::shared_ptr<storm::logic::Formula const>(new storm::logic::BinaryBooleanStateFormula(operatorType, leftSubformula, rightSubformula));
|
|
}
|
|
|
|
std::shared_ptr<storm::logic::Formula const> FormulaParserGrammar::createUnaryBooleanStateFormula(std::shared_ptr<storm::logic::Formula const> const& subformula, boost::optional<storm::logic::UnaryBooleanStateFormula::OperatorType> const& operatorType) {
|
|
if (operatorType) {
|
|
return std::shared_ptr<storm::logic::Formula const>(new storm::logic::UnaryBooleanStateFormula(operatorType.get(), subformula));
|
|
} else {
|
|
return subformula;
|
|
}
|
|
}
|
|
|
|
std::shared_ptr<storm::logic::Formula const> FormulaParserGrammar::createMultiFormula(std::vector<std::shared_ptr<storm::logic::Formula const>> const& subformulas) {
|
|
bool isMultiDimensionalBoundedUntilFormula = !subformulas.empty();
|
|
for (auto const& subformula : subformulas) {
|
|
if (!subformula->isBoundedUntilFormula()) {
|
|
isMultiDimensionalBoundedUntilFormula = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (isMultiDimensionalBoundedUntilFormula) {
|
|
std::vector<std::shared_ptr<storm::logic::Formula const>> leftSubformulas, rightSubformulas;
|
|
std::vector<boost::optional<storm::logic::TimeBound>> lowerBounds, upperBounds;
|
|
std::vector<storm::logic::TimeBoundReference> timeBoundReferences;
|
|
for (auto const& subformula : subformulas) {
|
|
auto const& f = subformula->asBoundedUntilFormula();
|
|
STORM_LOG_THROW(!f.isMultiDimensional(), storm::exceptions::WrongFormatException, "Composition of multidimensional bounded until formula must consist of single dimension subformulas. Got '" << f << "' instead.");
|
|
leftSubformulas.push_back(f.getLeftSubformula().asSharedPointer());
|
|
rightSubformulas.push_back(f.getRightSubformula().asSharedPointer());
|
|
if (f.hasLowerBound()) {
|
|
lowerBounds.emplace_back(storm::logic::TimeBound(f.isLowerBoundStrict(), f.getLowerBound()));
|
|
} else {
|
|
lowerBounds.emplace_back();
|
|
}
|
|
if (f.hasUpperBound()) {
|
|
upperBounds.emplace_back(storm::logic::TimeBound(f.isUpperBoundStrict(), f.getUpperBound()));
|
|
} else {
|
|
upperBounds.emplace_back();
|
|
}
|
|
timeBoundReferences.push_back(f.getTimeBoundReference());
|
|
}
|
|
return std::shared_ptr<storm::logic::Formula const>(new storm::logic::BoundedUntilFormula(leftSubformulas, rightSubformulas, lowerBounds, upperBounds, timeBoundReferences));
|
|
} else {
|
|
return std::shared_ptr<storm::logic::Formula const>(new storm::logic::MultiObjectiveFormula(subformulas));
|
|
}
|
|
}
|
|
|
|
storm::jani::Property FormulaParserGrammar::createProperty(boost::optional<std::string> const& propertyName, storm::modelchecker::FilterType const& filterType, std::shared_ptr<storm::logic::Formula const> const& formula, std::shared_ptr<storm::logic::Formula const> const& states) {
|
|
storm::jani::FilterExpression filterExpression(formula, filterType, states);
|
|
|
|
++propertyCount;
|
|
if (propertyName) {
|
|
return storm::jani::Property(propertyName.get(), filterExpression);
|
|
} else {
|
|
return storm::jani::Property(std::to_string(propertyCount -1 ), filterExpression);
|
|
}
|
|
}
|
|
|
|
storm::jani::Property FormulaParserGrammar::createPropertyWithDefaultFilterTypeAndStates(boost::optional<std::string> const& propertyName, std::shared_ptr<storm::logic::Formula const> const& formula) {
|
|
++propertyCount;
|
|
if (propertyName) {
|
|
return storm::jani::Property(propertyName.get(), formula);
|
|
} else {
|
|
return storm::jani::Property(std::to_string(propertyCount), formula);
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|