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648 lines
50 KiB
648 lines
50 KiB
#include "src/parser/PrismParser.h"
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#include "src/storage/prism/Compositions.h"
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#include "src/settings/SettingsManager.h"
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#include "src/exceptions/InvalidArgumentException.h"
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#include "src/exceptions/InvalidTypeException.h"
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#include "src/utility/macros.h"
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#include "src/exceptions/WrongFormatException.h"
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namespace storm {
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namespace parser {
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storm::prism::Program PrismParser::parse(std::string const& filename) {
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// Open file and initialize result.
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std::ifstream inputFileStream(filename);
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STORM_LOG_THROW(inputFileStream.good(), storm::exceptions::WrongFormatException, "Unable to read from file '" << filename << "'.");
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storm::prism::Program result;
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// Now try to parse the contents of the file.
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try {
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std::string fileContent((std::istreambuf_iterator<char>(inputFileStream)), (std::istreambuf_iterator<char>()));
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result = parseFromString(fileContent, filename);
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} catch(std::exception& e) {
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// In case of an exception properly close the file before passing exception.
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inputFileStream.close();
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throw e;
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}
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// Close the stream in case everything went smoothly and return result.
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inputFileStream.close();
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return result;
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}
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storm::prism::Program PrismParser::parseFromString(std::string const& input, std::string const& filename) {
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PositionIteratorType first(input.begin());
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PositionIteratorType iter = first;
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PositionIteratorType last(input.end());
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STORM_LOG_ASSERT(first != last, "Illegal input to PRISM parser.");
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// Create empty result;
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storm::prism::Program result;
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// Create grammar.
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storm::parser::PrismParser grammar(filename, first);
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try {
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// Start first run.
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bool succeeded = qi::phrase_parse(iter, last, grammar, boost::spirit::ascii::space | qi::lit("//") >> *(qi::char_ - (qi::eol | qi::eoi)) >> (qi::eol | qi::eoi), result);
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STORM_LOG_THROW(succeeded, storm::exceptions::WrongFormatException, "Parsing failed in first pass.");
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STORM_LOG_DEBUG("First pass of parsing PRISM input finished.");
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// Start second run.
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first = PositionIteratorType(input.begin());
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iter = first;
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last = PositionIteratorType(input.end());
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grammar.moveToSecondRun();
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succeeded = qi::phrase_parse(iter, last, grammar, boost::spirit::ascii::space | qi::lit("//") >> *(qi::char_ - (qi::eol | qi::eoi)) >> (qi::eol | qi::eoi), result);
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STORM_LOG_THROW(succeeded, storm::exceptions::WrongFormatException, "Parsing failed in second pass.");
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} catch (qi::expectation_failure<PositionIteratorType> const& e) {
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// If the parser expected content different than the one provided, display information about the location of the error.
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std::size_t lineNumber = boost::spirit::get_line(e.first);
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// Now propagate exception.
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STORM_LOG_THROW(false, storm::exceptions::WrongFormatException, "Parsing error in line " << lineNumber << " of file " << filename << ".");
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}
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STORM_LOG_TRACE("Parsed PRISM input: " << result);
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return result;
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}
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PrismParser::PrismParser(std::string const& filename, Iterator first) : PrismParser::base_type(start), secondRun(false), filename(filename), annotate(first), manager(new storm::expressions::ExpressionManager()), expressionParser(*manager, keywords_, false, false) {
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// Parse simple identifier.
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identifier %= qi::as_string[qi::raw[qi::lexeme[((qi::alpha | qi::char_('_')) >> *(qi::alnum | qi::char_('_')))]]][qi::_pass = phoenix::bind(&PrismParser::isValidIdentifier, phoenix::ref(*this), qi::_1)];
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identifier.name("identifier");
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modelTypeDefinition %= modelType_;
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modelTypeDefinition.name("model type");
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undefinedBooleanConstantDefinition = ((qi::lit("const") >> qi::lit("bool")) > identifier > qi::lit(";"))[qi::_val = phoenix::bind(&PrismParser::createUndefinedBooleanConstant, phoenix::ref(*this), qi::_1)];
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undefinedBooleanConstantDefinition.name("undefined boolean constant declaration");
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undefinedIntegerConstantDefinition = ((qi::lit("const") >> qi::lit("int")) > identifier > qi::lit(";"))[qi::_val = phoenix::bind(&PrismParser::createUndefinedIntegerConstant, phoenix::ref(*this), qi::_1)];
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undefinedIntegerConstantDefinition.name("undefined integer constant declaration");
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undefinedDoubleConstantDefinition = ((qi::lit("const") >> qi::lit("double")) > identifier > qi::lit(";"))[qi::_val = phoenix::bind(&PrismParser::createUndefinedDoubleConstant, phoenix::ref(*this), qi::_1)];
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undefinedDoubleConstantDefinition.name("undefined double constant definition");
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undefinedConstantDefinition = (undefinedBooleanConstantDefinition | undefinedIntegerConstantDefinition | undefinedDoubleConstantDefinition);
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undefinedConstantDefinition.name("undefined constant definition");
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definedBooleanConstantDefinition = ((qi::lit("const") >> qi::lit("bool") >> identifier >> qi::lit("=")) > expressionParser > qi::lit(";"))[qi::_val = phoenix::bind(&PrismParser::createDefinedBooleanConstant, phoenix::ref(*this), qi::_1, qi::_2)];
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definedBooleanConstantDefinition.name("defined boolean constant declaration");
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definedIntegerConstantDefinition = ((qi::lit("const") >> qi::lit("int") >> identifier >> qi::lit("=")) > expressionParser >> qi::lit(";"))[qi::_val = phoenix::bind(&PrismParser::createDefinedIntegerConstant, phoenix::ref(*this), qi::_1, qi::_2)];
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definedIntegerConstantDefinition.name("defined integer constant declaration");
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definedDoubleConstantDefinition = ((qi::lit("const") >> qi::lit("double") >> identifier >> qi::lit("=")) > expressionParser > qi::lit(";"))[qi::_val = phoenix::bind(&PrismParser::createDefinedDoubleConstant, phoenix::ref(*this), qi::_1, qi::_2)];
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definedDoubleConstantDefinition.name("defined double constant declaration");
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definedConstantDefinition %= (definedBooleanConstantDefinition | definedIntegerConstantDefinition | definedDoubleConstantDefinition);
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definedConstantDefinition.name("defined constant definition");
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formulaDefinition = (qi::lit("formula") > identifier > qi::lit("=") > expressionParser > qi::lit(";"))[qi::_val = phoenix::bind(&PrismParser::createFormula, phoenix::ref(*this), qi::_1, qi::_2)];
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formulaDefinition.name("formula definition");
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booleanVariableDefinition = ((identifier >> qi::lit(":") >> qi::lit("bool")) > ((qi::lit("init") > expressionParser) | qi::attr(manager->boolean(false))) > qi::lit(";"))[qi::_val = phoenix::bind(&PrismParser::createBooleanVariable, phoenix::ref(*this), qi::_1, qi::_2)];
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booleanVariableDefinition.name("boolean variable definition");
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integerVariableDefinition = ((identifier >> qi::lit(":") >> qi::lit("[")[phoenix::bind(&PrismParser::allowDoubleLiterals, phoenix::ref(*this), false)]) > expressionParser[qi::_a = qi::_1] > qi::lit("..") > expressionParser > qi::lit("]")[phoenix::bind(&PrismParser::allowDoubleLiterals, phoenix::ref(*this), true)] > -(qi::lit("init") > expressionParser[qi::_a = qi::_1]) > qi::lit(";"))[qi::_val = phoenix::bind(&PrismParser::createIntegerVariable, phoenix::ref(*this), qi::_1, qi::_2, qi::_3, qi::_a)];
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integerVariableDefinition.name("integer variable definition");
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variableDefinition = (booleanVariableDefinition[phoenix::push_back(qi::_r1, qi::_1)] | integerVariableDefinition[phoenix::push_back(qi::_r2, qi::_1)]);
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variableDefinition.name("variable declaration");
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globalVariableDefinition = (qi::lit("global") > (booleanVariableDefinition[phoenix::push_back(phoenix::bind(&GlobalProgramInformation::globalBooleanVariables, qi::_r1), qi::_1)] | integerVariableDefinition[phoenix::push_back(phoenix::bind(&GlobalProgramInformation::globalIntegerVariables, qi::_r1), qi::_1)]));
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globalVariableDefinition.name("global variable declaration list");
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stateRewardDefinition = (expressionParser > qi::lit(":") > expressionParser >> qi::lit(";"))[qi::_val = phoenix::bind(&PrismParser::createStateReward, phoenix::ref(*this), qi::_1, qi::_2)];
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stateRewardDefinition.name("state reward definition");
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stateActionRewardDefinition = (qi::lit("[") >> -identifier >> qi::lit("]") >> expressionParser >> qi::lit(":") >> expressionParser >> qi::lit(";"))[qi::_val = phoenix::bind(&PrismParser::createStateActionReward, phoenix::ref(*this), qi::_1, qi::_2, qi::_3, qi::_r1)];
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stateActionRewardDefinition.name("state action reward definition");
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transitionRewardDefinition = (qi::lit("[") > -identifier > qi::lit("]") > expressionParser > qi::lit("->") > expressionParser > qi::lit(":") > expressionParser > qi::lit(";"))[qi::_val = phoenix::bind(&PrismParser::createTransitionReward, phoenix::ref(*this), qi::_1, qi::_2, qi::_3, qi::_4, qi::_r1)];
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transitionRewardDefinition.name("transition reward definition");
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rewardModelDefinition = (qi::lit("rewards") > -(qi::lit("\"") > identifier[qi::_a = qi::_1] > qi::lit("\""))
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> +( stateRewardDefinition[phoenix::push_back(qi::_b, qi::_1)]
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| stateActionRewardDefinition(qi::_r1)[phoenix::push_back(qi::_c, qi::_1)]
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| transitionRewardDefinition(qi::_r1)[phoenix::push_back(qi::_d, qi::_1)]
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)
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>> qi::lit("endrewards"))[qi::_val = phoenix::bind(&PrismParser::createRewardModel, phoenix::ref(*this), qi::_a, qi::_b, qi::_c, qi::_d)];
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rewardModelDefinition.name("reward model definition");
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initialStatesConstruct = (qi::lit("init") > expressionParser > qi::lit("endinit"))[qi::_pass = phoenix::bind(&PrismParser::addInitialStatesConstruct, phoenix::ref(*this), qi::_1, qi::_r1)];
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initialStatesConstruct.name("initial construct");
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systemCompositionConstruct = (qi::lit("system") > parallelComposition > qi::lit("endsystem"))[phoenix::bind(&PrismParser::addSystemCompositionConstruct, phoenix::ref(*this), qi::_1, qi::_r1)];
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systemCompositionConstruct.name("system composition construct");
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actionNameList %= identifier[phoenix::insert(qi::_val, qi::_1)] >> *("," >> identifier[phoenix::insert(qi::_val, qi::_1)]);
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actionNameList.name("action list");
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parallelComposition = hidingOrRenamingComposition[qi::_val = qi::_1] >> *((interleavingParallelComposition > hidingOrRenamingComposition)[qi::_val = phoenix::bind(&PrismParser::createInterleavingParallelComposition, phoenix::ref(*this), qi::_val, qi::_1)] |
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(synchronizingParallelComposition > hidingOrRenamingComposition)[qi::_val = phoenix::bind(&PrismParser::createSynchronizingParallelComposition, phoenix::ref(*this), qi::_val, qi::_1)] |
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(restrictedParallelComposition > hidingOrRenamingComposition)[qi::_val = phoenix::bind(&PrismParser::createRestrictedParallelComposition, phoenix::ref(*this), qi::_val, qi::_1, qi::_2)]
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);
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parallelComposition.name("parallel composition");
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synchronizingParallelComposition = qi::lit("||");
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synchronizingParallelComposition.name("synchronizing parallel composition");
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interleavingParallelComposition = qi::lit("|||");
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interleavingParallelComposition.name("interleaving parallel composition");
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restrictedParallelComposition = qi::lit("|[") > actionNameList > qi::lit("]|");
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restrictedParallelComposition.name("restricted parallel composition");
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hidingOrRenamingComposition = hidingComposition | renamingComposition | atomicComposition;
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hidingOrRenamingComposition.name("hiding/renaming composition");
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hidingComposition = (atomicComposition >> (qi::lit("/") > (qi::lit("{") > actionNameList > qi::lit("}"))))[qi::_val = phoenix::bind(&PrismParser::createHidingComposition, phoenix::ref(*this), qi::_1, qi::_2)];
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hidingComposition.name("hiding composition");
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actionRenamingList = +(identifier >> (qi::lit("<-") >> identifier))[phoenix::insert(qi::_val, phoenix::construct<std::pair<std::string, std::string>>(qi::_1, qi::_2))];
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actionRenamingList.name("action renaming list");
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renamingComposition = (atomicComposition >> (qi::lit("{") > (actionRenamingList > qi::lit("}"))))[qi::_val = phoenix::bind(&PrismParser::createRenamingComposition, phoenix::ref(*this), qi::_1, qi::_2)];
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renamingComposition.name("renaming composition");
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atomicComposition = qi::lit("(") > parallelComposition > qi::lit(")") | moduleComposition;
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atomicComposition.name("atomic composition");
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moduleComposition = identifier[qi::_val = phoenix::bind(&PrismParser::createModuleComposition, phoenix::ref(*this), qi::_1)];
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moduleComposition.name("module composition");
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labelDefinition = (qi::lit("label") > -qi::lit("\"") > identifier > -qi::lit("\"") > qi::lit("=") > expressionParser >> qi::lit(";"))[qi::_val = phoenix::bind(&PrismParser::createLabel, phoenix::ref(*this), qi::_1, qi::_2)];
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labelDefinition.name("label definition");
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assignmentDefinition = (qi::lit("(") > identifier > qi::lit("'") > qi::lit("=") > expressionParser > qi::lit(")"))[qi::_val = phoenix::bind(&PrismParser::createAssignment, phoenix::ref(*this), qi::_1, qi::_2)];
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assignmentDefinition.name("assignment");
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assignmentDefinitionList = (assignmentDefinition % "&")[qi::_val = qi::_1] | (qi::lit("true"))[qi::_val = phoenix::construct<std::vector<storm::prism::Assignment>>()];
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assignmentDefinitionList.name("assignment list");
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updateDefinition = (((expressionParser >> qi::lit(":")) | qi::attr(manager->rational(1))) >> assignmentDefinitionList)[qi::_val = phoenix::bind(&PrismParser::createUpdate, phoenix::ref(*this), qi::_1, qi::_2, qi::_r1)];
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updateDefinition.name("update");
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updateListDefinition %= +updateDefinition(qi::_r1) % "+";
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updateListDefinition.name("update list");
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// This is a dummy command-definition (it ignores the actual contents of the command) that is overwritten when the parser is moved to the second run.
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commandDefinition = (((qi::lit("[") > -identifier > qi::lit("]"))
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(qi::lit("<") > -identifier > qi::lit(">")[qi::_a = true]))
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> +(qi::char_ - qi::lit(";"))
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> qi::lit(";"))[qi::_val = phoenix::bind(&PrismParser::createCommand, phoenix::ref(*this), qi::_1, qi::_r1)];
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commandDefinition.name("command definition");
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moduleDefinition = ((qi::lit("module") >> identifier >> *(variableDefinition(qi::_a, qi::_b))) > *commandDefinition(qi::_r1) > qi::lit("endmodule"))[qi::_val = phoenix::bind(&PrismParser::createModule, phoenix::ref(*this), qi::_1, qi::_a, qi::_b, qi::_2, qi::_r1)];
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moduleDefinition.name("module definition");
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moduleRenaming = ((qi::lit("module") >> identifier >> qi::lit("=")) > identifier > qi::lit("[")
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> ((identifier > qi::lit("=") > identifier)[phoenix::insert(qi::_a, phoenix::construct<std::pair<std::string,std::string>>(qi::_1, qi::_2))] % ",") > qi::lit("]")
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> qi::lit("endmodule"))[qi::_val = phoenix::bind(&PrismParser::createRenamedModule, phoenix::ref(*this), qi::_1, qi::_2, qi::_a, qi::_r1)];
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moduleRenaming.name("module definition via renaming");
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moduleDefinitionList %= +(moduleRenaming(qi::_r1) | moduleDefinition(qi::_r1))[phoenix::push_back(phoenix::bind(&GlobalProgramInformation::modules, qi::_r1), qi::_1)];
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moduleDefinitionList.name("module list");
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start = (qi::eps
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> modelTypeDefinition[phoenix::bind(&GlobalProgramInformation::modelType, qi::_a) = qi::_1]
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> *(definedConstantDefinition[phoenix::push_back(phoenix::bind(&GlobalProgramInformation::constants, qi::_a), qi::_1)]
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| undefinedConstantDefinition[phoenix::push_back(phoenix::bind(&GlobalProgramInformation::constants, qi::_a), qi::_1)]
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| formulaDefinition[phoenix::push_back(phoenix::bind(&GlobalProgramInformation::formulas, qi::_a), qi::_1)]
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| globalVariableDefinition(qi::_a)
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| (moduleRenaming(qi::_a) | moduleDefinition(qi::_a))[phoenix::push_back(phoenix::bind(&GlobalProgramInformation::modules, qi::_a), qi::_1)]
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| initialStatesConstruct(qi::_a)
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| rewardModelDefinition(qi::_a)[phoenix::push_back(phoenix::bind(&GlobalProgramInformation::rewardModels, qi::_a), qi::_1)]
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| labelDefinition[phoenix::push_back(phoenix::bind(&GlobalProgramInformation::labels, qi::_a), qi::_1)]
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| formulaDefinition[phoenix::push_back(phoenix::bind(&GlobalProgramInformation::formulas, qi::_a), qi::_1)]
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)
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> -(systemCompositionConstruct(qi::_a)) > qi::eoi)[qi::_val = phoenix::bind(&PrismParser::createProgram, phoenix::ref(*this), qi::_a)];
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start.name("probabilistic program");
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// Enable location tracking for important entities.
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auto setLocationInfoFunction = this->annotate(qi::_val, qi::_1, qi::_3);
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qi::on_success(undefinedBooleanConstantDefinition, setLocationInfoFunction);
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qi::on_success(undefinedIntegerConstantDefinition, setLocationInfoFunction);
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qi::on_success(undefinedDoubleConstantDefinition, setLocationInfoFunction);
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qi::on_success(definedBooleanConstantDefinition, setLocationInfoFunction);
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qi::on_success(definedIntegerConstantDefinition, setLocationInfoFunction);
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qi::on_success(definedDoubleConstantDefinition, setLocationInfoFunction);
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qi::on_success(booleanVariableDefinition, setLocationInfoFunction);
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qi::on_success(integerVariableDefinition, setLocationInfoFunction);
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qi::on_success(moduleDefinition, setLocationInfoFunction);
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qi::on_success(moduleRenaming, setLocationInfoFunction);
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qi::on_success(formulaDefinition, setLocationInfoFunction);
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qi::on_success(rewardModelDefinition, setLocationInfoFunction);
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qi::on_success(labelDefinition, setLocationInfoFunction);
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qi::on_success(commandDefinition, setLocationInfoFunction);
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qi::on_success(updateDefinition, setLocationInfoFunction);
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qi::on_success(assignmentDefinition, setLocationInfoFunction);
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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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}
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void PrismParser::moveToSecondRun() {
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// In the second run, we actually need to parse the commands instead of just skipping them,
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// so we adapt the rule for parsing commands.
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commandDefinition = (((qi::lit("[") > -identifier > qi::lit("]"))
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(qi::lit("<") > -identifier > qi::lit(">")[qi::_a = true]))
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> expressionParser
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> qi::lit("->")
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> updateListDefinition(qi::_r1)
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> qi::lit(";"))[qi::_val = phoenix::bind(&PrismParser::createCommand, phoenix::ref(*this), qi::_a, qi::_1, qi::_2, qi::_3, qi::_r1)];
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this->secondRun = true;
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this->expressionParser.setIdentifierMapping(&this->identifiers_);
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}
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void PrismParser::allowDoubleLiterals(bool flag) {
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this->expressionParser.setAcceptDoubleLiterals(flag);
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}
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std::string const& PrismParser::getFilename() const {
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return this->filename;
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}
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bool PrismParser::isValidIdentifier(std::string const& identifier) {
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if (this->keywords_.find(identifier) != nullptr) {
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return false;
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}
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return true;
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}
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bool PrismParser::addInitialStatesConstruct(storm::expressions::Expression initialStatesExpression, GlobalProgramInformation& globalProgramInformation) {
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STORM_LOG_THROW(!globalProgramInformation.hasInitialConstruct, storm::exceptions::WrongFormatException, "Parsing error in " << this->getFilename() << ", line " << get_line(qi::_3) << ": Program must not define two initial constructs.");
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if (globalProgramInformation.hasInitialConstruct) {
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return false;
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}
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globalProgramInformation.hasInitialConstruct = true;
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globalProgramInformation.initialConstruct = storm::prism::InitialConstruct(initialStatesExpression, this->getFilename(), get_line(qi::_3));
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return true;
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}
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bool PrismParser::addSystemCompositionConstruct(std::shared_ptr<storm::prism::Composition> const& composition, GlobalProgramInformation& globalProgramInformation) {
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globalProgramInformation.systemCompositionConstruct = storm::prism::SystemCompositionConstruct(composition, this->getFilename(), get_line(qi::_3));
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return true;
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}
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std::shared_ptr<storm::prism::Composition> PrismParser::createModuleComposition(std::string const& moduleName) const {
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return std::make_shared<storm::prism::ModuleComposition>(moduleName);
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}
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std::shared_ptr<storm::prism::Composition> PrismParser::createRenamingComposition(std::shared_ptr<storm::prism::Composition> const& subcomposition, std::map<std::string, std::string> const& renaming) const {
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return std::make_shared<storm::prism::RenamingComposition>(subcomposition, renaming);
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}
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std::shared_ptr<storm::prism::Composition> PrismParser::createHidingComposition(std::shared_ptr<storm::prism::Composition> const& subcomposition, std::set<std::string> const& actionsToHide) const {
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return std::make_shared<storm::prism::HidingComposition>(subcomposition, actionsToHide);
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}
|
|
|
|
std::shared_ptr<storm::prism::Composition> PrismParser::createSynchronizingParallelComposition(std::shared_ptr<storm::prism::Composition> const& left, std::shared_ptr<storm::prism::Composition> const& right) const {
|
|
return std::make_shared<storm::prism::SynchronizingParallelComposition>(left, right);
|
|
}
|
|
|
|
std::shared_ptr<storm::prism::Composition> PrismParser::createInterleavingParallelComposition(std::shared_ptr<storm::prism::Composition> const& left, std::shared_ptr<storm::prism::Composition> const& right) const {
|
|
return std::make_shared<storm::prism::InterleavingParallelComposition>(left, right);
|
|
}
|
|
|
|
std::shared_ptr<storm::prism::Composition> PrismParser::createRestrictedParallelComposition(std::shared_ptr<storm::prism::Composition> const& left, std::set<std::string> const& synchronizingActions, std::shared_ptr<storm::prism::Composition> const& right) const {
|
|
return std::make_shared<storm::prism::RestrictedParallelComposition>(left, synchronizingActions, right);
|
|
}
|
|
|
|
storm::prism::Constant PrismParser::createUndefinedBooleanConstant(std::string const& newConstant) const {
|
|
if (!this->secondRun) {
|
|
try {
|
|
storm::expressions::Variable newVariable = manager->declareBooleanVariable(newConstant, true);
|
|
this->identifiers_.add(newConstant, newVariable.getExpression());
|
|
} catch (storm::exceptions::InvalidArgumentException const& e) {
|
|
if (manager->hasVariable(newConstant)) {
|
|
STORM_LOG_THROW(false, storm::exceptions::WrongFormatException, "Parsing error in " << this->getFilename() << ", line " << get_line(qi::_3) << ": Duplicate identifier '" << newConstant << "'.");
|
|
} else {
|
|
STORM_LOG_THROW(false, storm::exceptions::WrongFormatException, "Parsing error in " << this->getFilename() << ", line " << get_line(qi::_3) << ": illegal identifier '" << newConstant << "'.");
|
|
}
|
|
}
|
|
}
|
|
return storm::prism::Constant(manager->getVariable(newConstant), this->getFilename());
|
|
}
|
|
|
|
storm::prism::Constant PrismParser::createUndefinedIntegerConstant(std::string const& newConstant) const {
|
|
if (!this->secondRun) {
|
|
try {
|
|
storm::expressions::Variable newVariable = manager->declareIntegerVariable(newConstant, true);
|
|
this->identifiers_.add(newConstant, newVariable.getExpression());
|
|
} catch (storm::exceptions::InvalidArgumentException const& e) {
|
|
if (manager->hasVariable(newConstant)) {
|
|
STORM_LOG_THROW(false, storm::exceptions::WrongFormatException, "Parsing error in " << this->getFilename() << ", line " << get_line(qi::_3) << ": Duplicate identifier '" << newConstant << "'.");
|
|
} else {
|
|
STORM_LOG_THROW(false, storm::exceptions::WrongFormatException, "Parsing error in " << this->getFilename() << ", line " << get_line(qi::_3) << ": illegal identifier '" << newConstant << "'.");
|
|
}
|
|
}
|
|
}
|
|
return storm::prism::Constant(manager->getVariable(newConstant), this->getFilename());
|
|
}
|
|
|
|
storm::prism::Constant PrismParser::createUndefinedDoubleConstant(std::string const& newConstant) const {
|
|
if (!this->secondRun) {
|
|
try {
|
|
storm::expressions::Variable newVariable = manager->declareRationalVariable(newConstant, true);
|
|
this->identifiers_.add(newConstant, newVariable.getExpression());
|
|
} catch (storm::exceptions::InvalidArgumentException const& e) {
|
|
if (manager->hasVariable(newConstant)) {
|
|
STORM_LOG_THROW(false, storm::exceptions::WrongFormatException, "Parsing error in " << this->getFilename() << ", line " << get_line(qi::_3) << ": Duplicate identifier '" << newConstant << "'.");
|
|
} else {
|
|
STORM_LOG_THROW(false, storm::exceptions::WrongFormatException, "Parsing error in " << this->getFilename() << ", line " << get_line(qi::_3) << ": illegal identifier '" << newConstant << "'.");
|
|
}
|
|
}
|
|
}
|
|
return storm::prism::Constant(manager->getVariable(newConstant), this->getFilename());
|
|
}
|
|
|
|
storm::prism::Constant PrismParser::createDefinedBooleanConstant(std::string const& newConstant, storm::expressions::Expression expression) const {
|
|
if (!this->secondRun) {
|
|
try {
|
|
storm::expressions::Variable newVariable = manager->declareBooleanVariable(newConstant, true);
|
|
this->identifiers_.add(newConstant, newVariable.getExpression());
|
|
} catch (storm::exceptions::InvalidArgumentException const& e) {
|
|
if (manager->hasVariable(newConstant)) {
|
|
STORM_LOG_THROW(false, storm::exceptions::WrongFormatException, "Parsing error in " << this->getFilename() << ", line " << get_line(qi::_3) << ": Duplicate identifier '" << newConstant << "'.");
|
|
} else {
|
|
STORM_LOG_THROW(false, storm::exceptions::WrongFormatException, "Parsing error in " << this->getFilename() << ", line " << get_line(qi::_3) << ": illegal identifier '" << newConstant << "'.");
|
|
}
|
|
}
|
|
}
|
|
return storm::prism::Constant(manager->getVariable(newConstant), expression, this->getFilename());
|
|
}
|
|
|
|
storm::prism::Constant PrismParser::createDefinedIntegerConstant(std::string const& newConstant, storm::expressions::Expression expression) const {
|
|
if (!this->secondRun) {
|
|
try {
|
|
storm::expressions::Variable newVariable = manager->declareIntegerVariable(newConstant, true);
|
|
this->identifiers_.add(newConstant, newVariable.getExpression());
|
|
} catch (storm::exceptions::InvalidArgumentException const& e) {
|
|
if (manager->hasVariable(newConstant)) {
|
|
STORM_LOG_THROW(false, storm::exceptions::WrongFormatException, "Parsing error in " << this->getFilename() << ", line " << get_line(qi::_3) << ": Duplicate identifier '" << newConstant << "'.");
|
|
} else {
|
|
STORM_LOG_THROW(false, storm::exceptions::WrongFormatException, "Parsing error in " << this->getFilename() << ", line " << get_line(qi::_3) << ": illegal identifier '" << newConstant << "'.");
|
|
}
|
|
}
|
|
}
|
|
return storm::prism::Constant(manager->getVariable(newConstant), expression, this->getFilename());
|
|
}
|
|
|
|
storm::prism::Constant PrismParser::createDefinedDoubleConstant(std::string const& newConstant, storm::expressions::Expression expression) const {
|
|
if (!this->secondRun) {
|
|
try {
|
|
storm::expressions::Variable newVariable = manager->declareRationalVariable(newConstant, true);
|
|
this->identifiers_.add(newConstant, newVariable.getExpression());
|
|
} catch (storm::exceptions::InvalidArgumentException const& e) {
|
|
if (manager->hasVariable(newConstant)) {
|
|
STORM_LOG_THROW(false, storm::exceptions::WrongFormatException, "Parsing error in " << this->getFilename() << ", line " << get_line(qi::_3) << ": Duplicate identifier '" << newConstant << "'.");
|
|
} else {
|
|
STORM_LOG_THROW(false, storm::exceptions::WrongFormatException, "Parsing error in " << this->getFilename() << ", line " << get_line(qi::_3) << ": illegal identifier '" << newConstant << "'.");
|
|
}
|
|
}
|
|
}
|
|
return storm::prism::Constant(manager->getVariable(newConstant), expression, this->getFilename());
|
|
}
|
|
|
|
storm::prism::Formula PrismParser::createFormula(std::string const& formulaName, storm::expressions::Expression expression) {
|
|
if (!this->secondRun) {
|
|
STORM_LOG_THROW(this->identifiers_.find(formulaName) == nullptr, storm::exceptions::WrongFormatException, "Parsing error in " << this->getFilename() << ", line " << get_line(qi::_3) << ": Duplicate identifier '" << formulaName << "'.");
|
|
this->identifiers_.add(formulaName, expression);
|
|
} else {
|
|
this->identifiers_.at(formulaName) = expression;
|
|
}
|
|
return storm::prism::Formula(formulaName, expression, this->getFilename());
|
|
}
|
|
|
|
storm::prism::Label PrismParser::createLabel(std::string const& labelName, storm::expressions::Expression expression) const {
|
|
return storm::prism::Label(labelName, expression, this->getFilename());
|
|
}
|
|
|
|
storm::prism::RewardModel PrismParser::createRewardModel(std::string const& rewardModelName, std::vector<storm::prism::StateReward> const& stateRewards, std::vector<storm::prism::StateActionReward> const& stateActionRewards, std::vector<storm::prism::TransitionReward> const& transitionRewards) const {
|
|
return storm::prism::RewardModel(rewardModelName, stateRewards, stateActionRewards, transitionRewards, this->getFilename());
|
|
}
|
|
|
|
storm::prism::StateReward PrismParser::createStateReward(storm::expressions::Expression statePredicateExpression, storm::expressions::Expression rewardValueExpression) const {
|
|
return storm::prism::StateReward(statePredicateExpression, rewardValueExpression, this->getFilename());
|
|
}
|
|
|
|
storm::prism::StateActionReward PrismParser::createStateActionReward(boost::optional<std::string> const& actionName, storm::expressions::Expression statePredicateExpression, storm::expressions::Expression rewardValueExpression, GlobalProgramInformation& globalProgramInformation) const {
|
|
std::string realActionName = actionName ? actionName.get() : "";
|
|
|
|
auto const& nameIndexPair = globalProgramInformation.actionIndices.find(realActionName);
|
|
STORM_LOG_THROW(nameIndexPair != globalProgramInformation.actionIndices.end(), storm::exceptions::WrongFormatException, "Transition reward refers to illegal action '" << realActionName << "'.");
|
|
return storm::prism::StateActionReward(nameIndexPair->second, realActionName, statePredicateExpression, rewardValueExpression, this->getFilename());
|
|
}
|
|
|
|
storm::prism::TransitionReward PrismParser::createTransitionReward(boost::optional<std::string> const& actionName, storm::expressions::Expression sourceStatePredicateExpression, storm::expressions::Expression targetStatePredicateExpression, storm::expressions::Expression rewardValueExpression, GlobalProgramInformation& globalProgramInformation) const {
|
|
std::string realActionName = actionName ? actionName.get() : "";
|
|
|
|
auto const& nameIndexPair = globalProgramInformation.actionIndices.find(realActionName);
|
|
STORM_LOG_THROW(nameIndexPair != globalProgramInformation.actionIndices.end(), storm::exceptions::WrongFormatException, "Transition reward refers to illegal action '" << realActionName << "'.");
|
|
return storm::prism::TransitionReward(nameIndexPair->second, realActionName, sourceStatePredicateExpression, targetStatePredicateExpression, rewardValueExpression, this->getFilename());
|
|
}
|
|
|
|
storm::prism::Assignment PrismParser::createAssignment(std::string const& variableName, storm::expressions::Expression assignedExpression) const {
|
|
return storm::prism::Assignment(manager->getVariable(variableName), assignedExpression, this->getFilename());
|
|
}
|
|
|
|
storm::prism::Update PrismParser::createUpdate(storm::expressions::Expression likelihoodExpression, std::vector<storm::prism::Assignment> const& assignments, GlobalProgramInformation& globalProgramInformation) const {
|
|
++globalProgramInformation.currentUpdateIndex;
|
|
return storm::prism::Update(globalProgramInformation.currentUpdateIndex - 1, likelihoodExpression, assignments, this->getFilename());
|
|
}
|
|
|
|
storm::prism::Command PrismParser::createCommand(bool markovian, boost::optional<std::string> const& actionName, storm::expressions::Expression guardExpression, std::vector<storm::prism::Update> const& updates, GlobalProgramInformation& globalProgramInformation) const {
|
|
++globalProgramInformation.currentCommandIndex;
|
|
std::string realActionName = actionName ? actionName.get() : "";
|
|
|
|
uint_fast64_t actionIndex = 0;
|
|
|
|
// If the action name was not yet seen, record it.
|
|
auto nameIndexPair = globalProgramInformation.actionIndices.find(realActionName);
|
|
if (nameIndexPair == globalProgramInformation.actionIndices.end()) {
|
|
std::size_t nextIndex = globalProgramInformation.actionIndices.size();
|
|
globalProgramInformation.actionIndices.emplace(realActionName, nextIndex);
|
|
actionIndex = nextIndex;
|
|
} else {
|
|
actionIndex = nameIndexPair->second;
|
|
}
|
|
return storm::prism::Command(globalProgramInformation.currentCommandIndex - 1, markovian, actionIndex, realActionName, guardExpression, updates, this->getFilename());
|
|
}
|
|
|
|
storm::prism::Command PrismParser::createCommand(boost::optional<std::string> const& actionName, GlobalProgramInformation& globalProgramInformation) const {
|
|
STORM_LOG_ASSERT(!this->secondRun, "Dummy procedure must not be called in second run.");
|
|
std::string realActionName = actionName ? actionName.get() : "";
|
|
|
|
// Register the action name if it has not appeared earlier.
|
|
auto nameIndexPair = globalProgramInformation.actionIndices.find(realActionName);
|
|
if (nameIndexPair == globalProgramInformation.actionIndices.end()) {
|
|
std::size_t nextIndex = globalProgramInformation.actionIndices.size();
|
|
globalProgramInformation.actionIndices.emplace(realActionName, nextIndex);
|
|
}
|
|
|
|
return storm::prism::Command();
|
|
}
|
|
|
|
storm::prism::BooleanVariable PrismParser::createBooleanVariable(std::string const& variableName, storm::expressions::Expression initialValueExpression) const {
|
|
if (!this->secondRun) {
|
|
try {
|
|
storm::expressions::Variable newVariable = manager->declareBooleanVariable(variableName);
|
|
this->identifiers_.add(variableName, newVariable.getExpression());
|
|
} catch (storm::exceptions::InvalidArgumentException const& e) {
|
|
if (manager->hasVariable(variableName)) {
|
|
STORM_LOG_THROW(false, storm::exceptions::WrongFormatException, "Parsing error in " << this->getFilename() << ", line " << get_line(qi::_3) << ": Duplicate identifier '" << variableName << "'.");
|
|
} else {
|
|
STORM_LOG_THROW(false, storm::exceptions::WrongFormatException, "Parsing error in " << this->getFilename() << ", line " << get_line(qi::_3) << ": illegal identifier '" << variableName << "'.");
|
|
}
|
|
}
|
|
}
|
|
return storm::prism::BooleanVariable(manager->getVariable(variableName), initialValueExpression, this->getFilename());
|
|
}
|
|
|
|
storm::prism::IntegerVariable PrismParser::createIntegerVariable(std::string const& variableName, storm::expressions::Expression lowerBoundExpression, storm::expressions::Expression upperBoundExpression, storm::expressions::Expression initialValueExpression) const {
|
|
if (!this->secondRun) {
|
|
try {
|
|
storm::expressions::Variable newVariable = manager->declareIntegerVariable(variableName);
|
|
this->identifiers_.add(variableName, newVariable.getExpression());
|
|
} catch (storm::exceptions::InvalidArgumentException const& e) {
|
|
if (manager->hasVariable(variableName)) {
|
|
STORM_LOG_THROW(false, storm::exceptions::WrongFormatException, "Parsing error in " << this->getFilename() << ", line " << get_line(qi::_3) << ": Duplicate identifier '" << variableName << "'.");
|
|
} else {
|
|
STORM_LOG_THROW(false, storm::exceptions::WrongFormatException, "Parsing error in " << this->getFilename() << ", line " << get_line(qi::_3) << ": illegal identifier '" << variableName << "'.");
|
|
}
|
|
}
|
|
}
|
|
return storm::prism::IntegerVariable(manager->getVariable(variableName), lowerBoundExpression, upperBoundExpression, initialValueExpression, this->getFilename());
|
|
}
|
|
|
|
storm::prism::Module PrismParser::createModule(std::string const& moduleName, std::vector<storm::prism::BooleanVariable> const& booleanVariables, std::vector<storm::prism::IntegerVariable> const& integerVariables, std::vector<storm::prism::Command> const& commands, GlobalProgramInformation& globalProgramInformation) const {
|
|
globalProgramInformation.moduleToIndexMap[moduleName] = globalProgramInformation.modules.size();
|
|
return storm::prism::Module(moduleName, booleanVariables, integerVariables, commands, this->getFilename());
|
|
}
|
|
|
|
storm::prism::Module PrismParser::createRenamedModule(std::string const& newModuleName, std::string const& oldModuleName, std::map<std::string, std::string> const& renaming, GlobalProgramInformation& globalProgramInformation) const {
|
|
// Check whether the module to rename actually exists.
|
|
auto const& moduleIndexPair = globalProgramInformation.moduleToIndexMap.find(oldModuleName);
|
|
STORM_LOG_THROW(moduleIndexPair != globalProgramInformation.moduleToIndexMap.end(), storm::exceptions::WrongFormatException, "Parsing error in " << this->getFilename() << ", line " << get_line(qi::_3) << ": No module named '" << oldModuleName << "' to rename.");
|
|
storm::prism::Module const& moduleToRename = globalProgramInformation.modules[moduleIndexPair->second];
|
|
|
|
if (!this->secondRun) {
|
|
// Register all (renamed) variables for later use.
|
|
for (auto const& variable : moduleToRename.getBooleanVariables()) {
|
|
auto const& renamingPair = renaming.find(variable.getName());
|
|
STORM_LOG_THROW(renamingPair != renaming.end(), storm::exceptions::WrongFormatException, "Parsing error in " << this->getFilename() << ", line " << get_line(qi::_3) << ": Boolean variable '" << variable.getName() << " was not renamed.");
|
|
storm::expressions::Variable renamedVariable = manager->declareBooleanVariable(renamingPair->second);
|
|
this->identifiers_.add(renamingPair->second, renamedVariable.getExpression());
|
|
}
|
|
for (auto const& variable : moduleToRename.getIntegerVariables()) {
|
|
auto const& renamingPair = renaming.find(variable.getName());
|
|
STORM_LOG_THROW(renamingPair != renaming.end(), storm::exceptions::WrongFormatException, "Parsing error in " << this->getFilename() << ", line " << get_line(qi::_3) << ": Integer variable '" << variable.getName() << " was not renamed.");
|
|
storm::expressions::Variable renamedVariable = manager->declareIntegerVariable(renamingPair->second);
|
|
this->identifiers_.add(renamingPair->second, renamedVariable.getExpression());
|
|
}
|
|
|
|
for (auto const& command : moduleToRename.getCommands()) {
|
|
std::string newActionName = command.getActionName();
|
|
auto const& renamingPair = renaming.find(command.getActionName());
|
|
if (renamingPair != renaming.end()) {
|
|
newActionName = renamingPair->second;
|
|
}
|
|
|
|
// Record any newly occurring action names/indices.
|
|
auto nameIndexPair = globalProgramInformation.actionIndices.find(newActionName);
|
|
if (nameIndexPair == globalProgramInformation.actionIndices.end()) {
|
|
std::size_t nextIndex = globalProgramInformation.actionIndices.size();
|
|
globalProgramInformation.actionIndices.emplace(newActionName, nextIndex);
|
|
}
|
|
}
|
|
|
|
// Return a dummy module in the first pass.
|
|
return storm::prism::Module();
|
|
} else {
|
|
// Add a mapping from the new module name to its (future) index.
|
|
globalProgramInformation.moduleToIndexMap[newModuleName] = globalProgramInformation.modules.size();
|
|
|
|
// Create a mapping from identifiers to the expressions they need to be replaced with.
|
|
std::map<storm::expressions::Variable, storm::expressions::Expression> expressionRenaming;
|
|
for (auto const& namePair : renaming) {
|
|
storm::expressions::Expression const* substitutedExpression = this->identifiers_.find(namePair.second);
|
|
// If the mapped-to-value is an expression, we need to replace it.
|
|
if (substitutedExpression != nullptr) {
|
|
expressionRenaming.emplace(manager->getVariable(namePair.first), *substitutedExpression);
|
|
}
|
|
}
|
|
|
|
// Rename the boolean variables.
|
|
std::vector<storm::prism::BooleanVariable> booleanVariables;
|
|
for (auto const& variable : moduleToRename.getBooleanVariables()) {
|
|
auto const& renamingPair = renaming.find(variable.getName());
|
|
STORM_LOG_THROW(renamingPair != renaming.end(), storm::exceptions::WrongFormatException, "Parsing error in " << this->getFilename() << ", line " << get_line(qi::_3) << ": Boolean variable '" << variable.getName() << " was not renamed.");
|
|
|
|
booleanVariables.push_back(storm::prism::BooleanVariable(manager->getVariable(renamingPair->second), variable.getInitialValueExpression().substitute(expressionRenaming), this->getFilename(), get_line(qi::_1)));
|
|
}
|
|
|
|
// Rename the integer variables.
|
|
std::vector<storm::prism::IntegerVariable> integerVariables;
|
|
for (auto const& variable : moduleToRename.getIntegerVariables()) {
|
|
auto const& renamingPair = renaming.find(variable.getName());
|
|
STORM_LOG_THROW(renamingPair != renaming.end(), storm::exceptions::WrongFormatException, "Parsing error in " << this->getFilename() << ", line " << get_line(qi::_3) << ": Integer variable '" << variable.getName() << " was not renamed.");
|
|
|
|
integerVariables.push_back(storm::prism::IntegerVariable(manager->getVariable(renamingPair->second), variable.getLowerBoundExpression().substitute(expressionRenaming), variable.getUpperBoundExpression().substitute(expressionRenaming), variable.getInitialValueExpression().substitute(expressionRenaming), this->getFilename(), get_line(qi::_1)));
|
|
}
|
|
|
|
// Rename commands.
|
|
std::vector<storm::prism::Command> commands;
|
|
for (auto const& command : moduleToRename.getCommands()) {
|
|
std::vector<storm::prism::Update> updates;
|
|
for (auto const& update : command.getUpdates()) {
|
|
std::vector<storm::prism::Assignment> assignments;
|
|
for (auto const& assignment : update.getAssignments()) {
|
|
auto const& renamingPair = renaming.find(assignment.getVariableName());
|
|
if (renamingPair != renaming.end()) {
|
|
assignments.emplace_back(manager->getVariable(renamingPair->second), assignment.getExpression().substitute(expressionRenaming), this->getFilename(), get_line(qi::_1));
|
|
} else {
|
|
assignments.emplace_back(assignment.getVariable(), assignment.getExpression().substitute(expressionRenaming), this->getFilename(), get_line(qi::_1));
|
|
}
|
|
}
|
|
updates.emplace_back(globalProgramInformation.currentUpdateIndex, update.getLikelihoodExpression().substitute(expressionRenaming), assignments, this->getFilename(), get_line(qi::_1));
|
|
++globalProgramInformation.currentUpdateIndex;
|
|
}
|
|
|
|
std::string newActionName = command.getActionName();
|
|
auto const& renamingPair = renaming.find(command.getActionName());
|
|
if (renamingPair != renaming.end()) {
|
|
newActionName = renamingPair->second;
|
|
}
|
|
|
|
uint_fast64_t actionIndex = 0;
|
|
auto nameIndexPair = globalProgramInformation.actionIndices.find(newActionName);
|
|
if (nameIndexPair == globalProgramInformation.actionIndices.end()) {
|
|
std::size_t nextIndex = globalProgramInformation.actionIndices.size();
|
|
globalProgramInformation.actionIndices.emplace(newActionName, nextIndex);
|
|
actionIndex = nextIndex;
|
|
} else {
|
|
actionIndex = nameIndexPair->second;
|
|
}
|
|
|
|
commands.emplace_back(globalProgramInformation.currentCommandIndex, command.isMarkovian(), actionIndex, newActionName, command.getGuardExpression().substitute(expressionRenaming), updates, this->getFilename(), get_line(qi::_1));
|
|
++globalProgramInformation.currentCommandIndex;
|
|
}
|
|
|
|
return storm::prism::Module(newModuleName, booleanVariables, integerVariables, commands, oldModuleName, renaming);
|
|
}
|
|
}
|
|
|
|
storm::prism::Program PrismParser::createProgram(GlobalProgramInformation const& globalProgramInformation) const {
|
|
return storm::prism::Program(manager, globalProgramInformation.modelType, globalProgramInformation.constants, globalProgramInformation.globalBooleanVariables, globalProgramInformation.globalIntegerVariables, globalProgramInformation.formulas, globalProgramInformation.modules, globalProgramInformation.actionIndices, globalProgramInformation.rewardModels, globalProgramInformation.labels, secondRun && !globalProgramInformation.hasInitialConstruct ? boost::none : boost::optional<storm::prism::InitialConstruct>(storm::prism::InitialConstruct(manager->boolean(false))), globalProgramInformation.systemCompositionConstruct, this->getFilename(), 1, this->secondRun);
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}
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} // namespace parser
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} // namespace storm
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