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Added checks to parser: Now only local variables may be written in updates and each variable at most once.

tempestpy_adaptions
dehnert 12 years ago
parent
a82c8b3153
commit
b4ea27d7c4
1 changed files with 13 additions and 6 deletions
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  1. 19
      src/parser/PrismParser.cpp

19
src/parser/PrismParser.cpp
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@ -169,13 +169,17 @@ struct PrismParser::PrismGrammar : qi::grammar<Iterator, storm::ir::Program(), q
integerVariableName.name("integer variable");
commandName %= commandNames_;
commandName.name("command name");
unassignedLocalBooleanVariableName %= localBooleanVariables_ - assignedLocalBooleanVariables_;
unassignedLocalBooleanVariableName.name("unassigned local boolean variable");
unassignedLocalIntegerVariableName %= localIntegerVariables_ - assignedLocalIntegerVariables_;
unassignedLocalIntegerVariableName.name("unassigned local integer variable");
// This block defines all entities that are needed for parsing a single command.
assignmentDefinition = (qi::lit("(") >> integerVariableName > qi::lit("'") > qi::lit("=") > integerExpression > qi::lit(")"))[phoenix::insert(qi::_r1, phoenix::construct<std::pair<std::string, storm::ir::Assignment>>(qi::_1, phoenix::construct<storm::ir::Assignment>(qi::_1, qi::_2)))] | (qi::lit("(") > booleanVariableName > qi::lit("'") > qi::lit("=") > booleanExpression > qi::lit(")"))[phoenix::insert(qi::_r1, phoenix::construct<std::pair<std::string, storm::ir::Assignment>>(qi::_1, phoenix::construct<storm::ir::Assignment>(qi::_1, qi::_2)))];
assignmentDefinition = (qi::lit("(") >> unassignedLocalIntegerVariableName > qi::lit("'") > qi::lit("=") > integerExpression > qi::lit(")"))[phoenix::bind(assignedLocalIntegerVariables_.add, qi::_1, qi::_1), phoenix::insert(qi::_r1, phoenix::construct<std::pair<std::string, storm::ir::Assignment>>(qi::_1, phoenix::construct<storm::ir::Assignment>(qi::_1, qi::_2)))] | (qi::lit("(") > unassignedLocalBooleanVariableName > qi::lit("'") > qi::lit("=") > booleanExpression > qi::lit(")"))[phoenix::bind(assignedLocalBooleanVariables_.add, qi::_1, qi::_1), phoenix::insert(qi::_r1, phoenix::construct<std::pair<std::string, storm::ir::Assignment>>(qi::_1, phoenix::construct<storm::ir::Assignment>(qi::_1, qi::_2)))];
assignmentDefinition.name("assignment");
assignmentDefinitionList = assignmentDefinition(qi::_r1) % "&";
assignmentDefinitionList.name("assignment list");
updateDefinition = (constantDoubleExpression > qi::lit(":") > assignmentDefinitionList(qi::_a))[qi::_val = phoenix::construct<storm::ir::Update>(qi::_1, qi::_a)];
updateDefinition = (constantDoubleExpression > qi::lit(":")[phoenix::clear(phoenix::ref(assignedLocalBooleanVariables_)), phoenix::clear(phoenix::ref(assignedLocalIntegerVariables_))] > assignmentDefinitionList(qi::_a))[qi::_val = phoenix::construct<storm::ir::Update>(qi::_1, qi::_a)];
updateDefinition.name("update");
updateListDefinition = +updateDefinition % "+";
updateListDefinition.name("update list");
@ -183,15 +187,15 @@ struct PrismParser::PrismGrammar : qi::grammar<Iterator, storm::ir::Program(), q
commandDefinition.name("command");
// This block defines all entities that are neede for parsing variable definitions.
booleanVariableDefinition = (freeIdentifierName >> qi::lit(":") >> qi::lit("bool") > -(qi::lit("init") > constantBooleanExpression[qi::_b = phoenix::construct<std::shared_ptr<storm::ir::expressions::BaseExpression>>(qi::_1)]) > qi::lit(";"))[phoenix::insert(qi::_r1, phoenix::construct<std::pair<std::string, storm::ir::BooleanVariable>>(qi::_1, phoenix::construct<storm::ir::BooleanVariable>(phoenix::val(qi::_1), qi::_b))), qi::_a = phoenix::construct<std::shared_ptr<storm::ir::expressions::VariableExpression>>(phoenix::new_<storm::ir::expressions::VariableExpression>(qi::_1)), phoenix::bind(booleanVariables_.add, qi::_1, qi::_a), phoenix::bind(booleanVariableNames_.add, qi::_1, qi::_1)];
booleanVariableDefinition = (freeIdentifierName >> qi::lit(":") >> qi::lit("bool") > -(qi::lit("init") > constantBooleanExpression[qi::_b = phoenix::construct<std::shared_ptr<storm::ir::expressions::BaseExpression>>(qi::_1)]) > qi::lit(";"))[phoenix::insert(qi::_r1, phoenix::construct<std::pair<std::string, storm::ir::BooleanVariable>>(qi::_1, phoenix::construct<storm::ir::BooleanVariable>(phoenix::val(qi::_1), qi::_b))), qi::_a = phoenix::construct<std::shared_ptr<storm::ir::expressions::VariableExpression>>(phoenix::new_<storm::ir::expressions::VariableExpression>(qi::_1)), phoenix::bind(booleanVariables_.add, qi::_1, qi::_a), phoenix::bind(booleanVariableNames_.add, qi::_1, qi::_1), phoenix::bind(localBooleanVariables_.add, qi::_1, qi::_1)];
booleanVariableDefinition.name("boolean variable declaration");
integerVariableDefinition = (freeIdentifierName > qi::lit(":") > qi::lit("[") > constantIntegerExpression > qi::lit("..") > constantIntegerExpression > qi::lit("]") > -(qi::lit("init") > constantIntegerExpression[qi::_b = phoenix::construct<std::shared_ptr<storm::ir::expressions::BaseExpression>>(qi::_1)]) > qi::lit(";"))[phoenix::insert(qi::_r1, phoenix::construct<std::pair<std::string, storm::ir::IntegerVariable>>(qi::_1, phoenix::construct<storm::ir::IntegerVariable>(qi::_1, qi::_2, qi::_3, qi::_b))), qi::_a = phoenix::construct<std::shared_ptr<storm::ir::expressions::VariableExpression>>(phoenix::new_<storm::ir::expressions::VariableExpression>(qi::_1)), phoenix::bind(integerVariables_.add, qi::_1, qi::_a), phoenix::bind(integerVariableNames_.add, qi::_1, qi::_1)];
integerVariableDefinition = (freeIdentifierName > qi::lit(":") > qi::lit("[") > constantIntegerExpression > qi::lit("..") > constantIntegerExpression > qi::lit("]") > -(qi::lit("init") > constantIntegerExpression[qi::_b = phoenix::construct<std::shared_ptr<storm::ir::expressions::BaseExpression>>(qi::_1)]) > qi::lit(";"))[phoenix::insert(qi::_r1, phoenix::construct<std::pair<std::string, storm::ir::IntegerVariable>>(qi::_1, phoenix::construct<storm::ir::IntegerVariable>(qi::_1, qi::_2, qi::_3, qi::_b))), qi::_a = phoenix::construct<std::shared_ptr<storm::ir::expressions::VariableExpression>>(phoenix::new_<storm::ir::expressions::VariableExpression>(qi::_1)), phoenix::bind(integerVariables_.add, qi::_1, qi::_a), phoenix::bind(integerVariableNames_.add, qi::_1, qi::_1), phoenix::bind(localIntegerVariables_.add, qi::_1, qi::_1)];
integerVariableDefinition.name("integer variable declaration");
variableDefinition = (booleanVariableDefinition(qi::_r1) | integerVariableDefinition(qi::_r2));
variableDefinition.name("variable declaration");
// This block defines all entities that are needed for parsing a module.
moduleDefinition = (qi::lit("module") > freeIdentifierName > *(variableDefinition(qi::_a, qi::_b)) > +commandDefinition > qi::lit("endmodule"))[phoenix::bind(moduleNames_.add, qi::_1, qi::_1), qi::_val = phoenix::construct<storm::ir::Module>(qi::_1, qi::_a, qi::_b, qi::_2)];
moduleDefinition = (qi::lit("module")[phoenix::clear(phoenix::ref(localBooleanVariables_)), phoenix::clear(phoenix::ref(localIntegerVariables_))] > freeIdentifierName > *(variableDefinition(qi::_a, qi::_b)) > +commandDefinition > qi::lit("endmodule"))[phoenix::bind(moduleNames_.add, qi::_1, qi::_1), qi::_val = phoenix::construct<storm::ir::Module>(qi::_1, qi::_a, qi::_b, qi::_2)];
moduleDefinition.name("module");
moduleDefinitionList %= +moduleDefinition;
moduleDefinitionList.name("module list");
@ -248,6 +252,8 @@ struct PrismParser::PrismGrammar : qi::grammar<Iterator, storm::ir::Program(), q
qi::rule<Iterator, std::string(), Skipper> integerVariableName;
qi::rule<Iterator, std::string(), Skipper> booleanVariableName;
qi::rule<Iterator, std::string(), Skipper> commandName;
qi::rule<Iterator, std::string(), Skipper> unassignedLocalBooleanVariableName;
qi::rule<Iterator, std::string(), Skipper> unassignedLocalIntegerVariableName;
// Rules for reward definitions.
qi::rule<Iterator, qi::unused_type(std::map<std::string, storm::ir::RewardModel>&), Skipper> rewardDefinitionList;
@ -377,7 +383,8 @@ struct PrismParser::PrismGrammar : qi::grammar<Iterator, storm::ir::Program(), q
struct qi::symbols<char, std::shared_ptr<storm::ir::expressions::BaseExpression>> integerConstants_, booleanConstants_, doubleConstants_;
// A structure representing the identity function over identifier names.
struct qi::symbols<char, std::string> integerVariableNames_, booleanVariableNames_, commandNames_, labelNames_, allConstantNames_, moduleNames_;
struct variableNamesStruct : qi::symbols<char, std::string> { } integerVariableNames_, booleanVariableNames_, commandNames_, labelNames_, allConstantNames_, moduleNames_,
localBooleanVariables_, localIntegerVariables_, assignedLocalBooleanVariables_, assignedLocalIntegerVariables_;
};
/*!

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