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(LTL) Add Formula::toPrefixString() 

Convert a formula into prefix format (LBTT/ltl2dstar-style LTL syntax).

 Conflicts:
	src/storm/logic/Formula.h
tempestpy_adaptions
Joachim Klein 4 years ago
committed by Stefan Pranger
parent
bd0a882cd5
commit
b04d2723c2
4 changed files with 205 additions and 0 deletions
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  1. 7
      src/storm/logic/Formula.cpp
  2. 1
      src/storm/logic/Formula.h
  3. 155
      src/storm/logic/ToPrefixStringVisitor.cpp
  4. 42
      src/storm/logic/ToPrefixStringVisitor.h

7
src/storm/logic/Formula.cpp
View File

@ -8,6 +8,7 @@
#include "storm/logic/LabelSubstitutionVisitor.h"
#include "storm/logic/RewardModelNameSubstitutionVisitor.h"
#include "storm/logic/ToExpressionVisitor.h"
#include "storm/logic/ToPrefixStringVisitor.h"
namespace storm {
namespace logic {
@ -567,5 +568,11 @@ namespace storm {
std::ostream& operator<<(std::ostream& out, Formula const& formula) {
return formula.writeToStream(out);
}
std::string Formula::toPrefixString() const {
ToPrefixStringVisitor visitor;
return visitor.toPrefixString(*this);
}
}
}

1
src/storm/logic/Formula.h
View File

@ -237,6 +237,7 @@ namespace storm {
std::string toString() const;
virtual std::ostream& writeToStream(std::ostream& out) const = 0;
std::string toPrefixString() const;
virtual void gatherAtomicExpressionFormulas(std::vector<std::shared_ptr<AtomicExpressionFormula const>>& atomicExpressionFormulas) const;
virtual void gatherAtomicLabelFormulas(std::vector<std::shared_ptr<AtomicLabelFormula const>>& atomicLabelFormulas) const;

155
src/storm/logic/ToPrefixStringVisitor.cpp
View File

@ -0,0 +1,155 @@
#include "storm/logic/ToPrefixStringVisitor.h"
#include "storm/logic/Formulas.h"
#include "storm/utility/macros.h"
#include "storm/exceptions/InvalidOperationException.h"
namespace storm {
namespace logic {
std::string ToPrefixStringVisitor::toPrefixString(Formula const& f) const {
boost::any result = f.accept(*this, boost::any());
return boost::any_cast<std::string>(result);
}
boost::any ToPrefixStringVisitor::visit(AtomicExpressionFormula const&, boost::any const&) const {
STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Can not convert to prefix string");
}
boost::any ToPrefixStringVisitor::visit(AtomicLabelFormula const& f, boost::any const&) const {
return std::string("\"" + f.getLabel() + "\"");
}
boost::any ToPrefixStringVisitor::visit(BinaryBooleanStateFormula const& f, boost::any const& data) const {
std::string left = boost::any_cast<std::string>(f.getLeftSubformula().accept(*this, data));
std::string right = boost::any_cast<std::string>(f.getRightSubformula().accept(*this, data));
switch (f.getOperator()) {
case BinaryBooleanStateFormula::OperatorType::And:
return std::string("& ") + left + " " + right;
break;
case BinaryBooleanStateFormula::OperatorType::Or:
return std::string("| ") + left + " " + right;
break;
}
return boost::any();
}
boost::any ToPrefixStringVisitor::visit(BinaryBooleanPathFormula const& f, boost::any const& data) const {
std::string left = boost::any_cast<std::string>(f.getLeftSubformula().accept(*this, data));
std::string right = boost::any_cast<std::string>(f.getRightSubformula().accept(*this, data));
switch (f.getOperator()) {
case BinaryBooleanPathFormula::OperatorType::And:
return std::string("& ") + left + " " + right;
break;
case BinaryBooleanPathFormula::OperatorType::Or:
return std::string("| ") + left + " " + right;
break;
}
return boost::any();
}
boost::any ToPrefixStringVisitor::visit(BooleanLiteralFormula const& f, boost::any const&) const {
storm::expressions::Expression result;
if (f.isTrueFormula()) {
return std::string("t");
} else {
return std::string("f");
}
return result;
}
boost::any ToPrefixStringVisitor::visit(BoundedUntilFormula const&, boost::any const&) const {
STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Can not convert to prefix string");
}
boost::any ToPrefixStringVisitor::visit(ConditionalFormula const&, boost::any const&) const {
STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Can not convert to prefix string");
}
boost::any ToPrefixStringVisitor::visit(CumulativeRewardFormula const&, boost::any const&) const {
STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Can not convert to prefix string");
}
boost::any ToPrefixStringVisitor::visit(EventuallyFormula const& f, boost::any const& data) const {
std::string subexpression = boost::any_cast<std::string>(f.getSubformula().accept(*this, data));
return std::string("F ") + subexpression;
}
boost::any ToPrefixStringVisitor::visit(TimeOperatorFormula const&, boost::any const&) const {
STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Can not convert to prefix string");
}
boost::any ToPrefixStringVisitor::visit(GloballyFormula const& f, boost::any const& data) const {
std::string subexpression = boost::any_cast<std::string>(f.getSubformula().accept(*this, data));
return std::string("G ") + subexpression;
}
boost::any ToPrefixStringVisitor::visit(InstantaneousRewardFormula const&, boost::any const&) const {
STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Can not convert to prefix string");
}
boost::any ToPrefixStringVisitor::visit(LongRunAverageOperatorFormula const&, boost::any const&) const {
STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Can not convert to prefix string");
}
boost::any ToPrefixStringVisitor::visit(LongRunAverageRewardFormula const&, boost::any const&) const {
STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Can not convert to prefix string");
}
boost::any ToPrefixStringVisitor::visit(MultiObjectiveFormula const&, boost::any const&) const {
STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Can not convert to prefix string");
}
boost::any ToPrefixStringVisitor::visit(QuantileFormula const&, boost::any const&) const {
STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Can not convert to prefix string");
}
boost::any ToPrefixStringVisitor::visit(NextFormula const& f, boost::any const& data) const {
std::string subexpression = boost::any_cast<std::string>(f.getSubformula().accept(*this, data));
return std::string("X ") + subexpression;
}
boost::any ToPrefixStringVisitor::visit(ProbabilityOperatorFormula const&, boost::any const&) const {
STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Can not convert to prefix string");
}
boost::any ToPrefixStringVisitor::visit(RewardOperatorFormula const&, boost::any const&) const {
STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Can not convert to prefix string");
}
boost::any ToPrefixStringVisitor::visit(TotalRewardFormula const&, boost::any const&) const {
STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Can not convert to prefix string");
}
boost::any ToPrefixStringVisitor::visit(UnaryBooleanStateFormula const& f, boost::any const& data) const {
std::string subexpression = boost::any_cast<std::string>(f.getSubformula().accept(*this, data));
switch (f.getOperator()) {
case UnaryBooleanStateFormula::OperatorType::Not:
return std::string("! ") + subexpression;
break;
}
return boost::any();
}
boost::any ToPrefixStringVisitor::visit(UnaryBooleanPathFormula const& f, boost::any const& data) const {
std::string subexpression = boost::any_cast<std::string>(f.getSubformula().accept(*this, data));
switch (f.getOperator()) {
case UnaryBooleanPathFormula::OperatorType::Not:
return std::string("! ") + subexpression;
break;
}
return boost::any();
}
boost::any ToPrefixStringVisitor::visit(UntilFormula const& f, boost::any const& data) const {
std::string left = boost::any_cast<std::string>(f.getLeftSubformula().accept(*this, data));
std::string right = boost::any_cast<std::string>(f.getRightSubformula().accept(*this, data));
return std::string("U ") + left + " " + right;
}
boost::any ToPrefixStringVisitor::visit(HOAPathFormula const&, boost::any const&) const {
STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Can not convert to prefix string");
}
}
}

42
src/storm/logic/ToPrefixStringVisitor.h
View File

@ -0,0 +1,42 @@
#pragma once
#include "storm/logic/FormulaVisitor.h"
#include <string>
namespace storm {
namespace logic {
class ToPrefixStringVisitor : public FormulaVisitor {
public:
std::string toPrefixString(Formula const& f) const;
virtual boost::any visit(AtomicExpressionFormula const& f, boost::any const& data) const override;
virtual boost::any visit(AtomicLabelFormula const& f, boost::any const& data) const override;
virtual boost::any visit(BinaryBooleanStateFormula const& f, boost::any const& data) const override;
virtual boost::any visit(BinaryBooleanPathFormula const& f, boost::any const& data) const override;
virtual boost::any visit(BooleanLiteralFormula const& f, boost::any const& data) const override;
virtual boost::any visit(BoundedUntilFormula const& f, boost::any const& data) const override;
virtual boost::any visit(ConditionalFormula const& f, boost::any const& data) const override;
virtual boost::any visit(CumulativeRewardFormula const& f, boost::any const& data) const override;
virtual boost::any visit(EventuallyFormula const& f, boost::any const& data) const override;
virtual boost::any visit(TimeOperatorFormula const& f, boost::any const& data) const override;
virtual boost::any visit(GloballyFormula const& f, boost::any const& data) const override;
virtual boost::any visit(InstantaneousRewardFormula const& f, boost::any const& data) const override;
virtual boost::any visit(LongRunAverageOperatorFormula const& f, boost::any const& data) const override;
virtual boost::any visit(LongRunAverageRewardFormula const& f, boost::any const& data) const override;
virtual boost::any visit(MultiObjectiveFormula const& f, boost::any const& data) const override;
virtual boost::any visit(QuantileFormula const& f, boost::any const& data) const override;
virtual boost::any visit(NextFormula const& f, boost::any const& data) const override;
virtual boost::any visit(ProbabilityOperatorFormula const& f, boost::any const& data) const override;
virtual boost::any visit(RewardOperatorFormula const& f, boost::any const& data) const override;
virtual boost::any visit(TotalRewardFormula const& f, boost::any const& data) const override;
virtual boost::any visit(UnaryBooleanStateFormula const& f, boost::any const& data) const override;
virtual boost::any visit(UnaryBooleanPathFormula const& f, boost::any const& data) const override;
virtual boost::any visit(UntilFormula const& f, boost::any const& data) const override;
virtual boost::any visit(HOAPathFormula const& f, boost::any const& data) const override;
};
}
}
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