#include <VariableExpression.h>

Inheritance diagram for storm::expressions::VariableExpression:

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Collaboration diagram for storm::expressions::VariableExpression:

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Public Member Functions
	VariableExpression (Variable const &variable)
	Creates a variable expression with the given return type and variable name.

	VariableExpression (VariableExpression const &)=default

VariableExpression &	operator= (VariableExpression const &)=delete

	VariableExpression (VariableExpression &&)=default

VariableExpression &	operator= (VariableExpression &&)=delete

virtual	~VariableExpression ()=default

virtual bool	evaluateAsBool (Valuation const *valuation=nullptr) const override
	Evaluates the expression under the valuation of unknowns (variables and constants) given by the valuation and returns the resulting boolean value.

virtual int_fast64_t	evaluateAsInt (Valuation const *valuation=nullptr) const override
	Evaluates the expression under the valuation of unknowns (variables and constants) given by the valuation and returns the resulting integer value.

virtual double	evaluateAsDouble (Valuation const *valuation=nullptr) const override
	Evaluates the expression under the valuation of unknowns (variables and constants) given by the valuation and returns the resulting double value.

virtual std::string const &	getIdentifier () const override
	Retrieves the identifier associated with this expression.

virtual bool	containsVariables () const override
	Retrieves whether the expression contains a variable.

virtual bool	isVariable () const override
	Retrieves whether the expression is a variable.

virtual void	gatherVariables (std::set< storm::expressions::Variable > &variables) const override
	Retrieves the set of all variables that appear in the expression.

virtual std::shared_ptr< BaseExpression const >	simplify () const override
	Simplifies the expression according to some simple rules.

virtual boost::any	accept (ExpressionVisitor &visitor, boost::any const &data) const override
	Accepts the given visitor by calling its visit method.

virtual bool	isVariableExpression () const override

std::string const &	getVariableName () const
	Retrieves the name of the variable associated with this expression.

Variable const &	getVariable () const
	Retrieves the variable associated with this expression.

Public Member Functions inherited from storm::expressions::BaseExpression
	BaseExpression (ExpressionManager const &manager, Type const &type)
	Constructs a base expression with the given return type.

	BaseExpression (BaseExpression const &)=default

BaseExpression &	operator= (BaseExpression const &)=delete

	BaseExpression (BaseExpression &&)=default

BaseExpression &	operator= (BaseExpression &&)=delete

virtual	~BaseExpression ()=default

Expression	toExpression () const
	Converts the base expression to a proper expression.

virtual storm::RationalNumber	evaluateAsRational () const
	Evaluates the expression and returns the resulting rational number.

virtual uint_fast64_t	getArity () const
	Returns the arity of the expression.

virtual std::shared_ptr< BaseExpression const >	getOperand (uint_fast64_t operandIndex) const
	Retrieves the given operand from the expression.

virtual OperatorType	getOperator () const
	Retrieves the operator of a function application.

virtual bool	isLiteral () const
	Retrieves whether the expression is a literal.

virtual bool	isTrue () const
	Checks if the expression is equal to the boolean literal true.

virtual bool	isFalse () const
	Checks if the expression is equal to the boolean literal false.

virtual bool	isFunctionApplication () const
	Checks if the expression is a function application (of any sort).

std::shared_ptr< BaseExpression const >	reduceNesting () const
	Tries to flatten the syntax tree of the expression, e.g., 1 + (2 + (3 + 4)) becomes (1 + 2) + (3 + 4)

bool	hasNumericalType () const
	Retrieves whether the expression has a numerical type, i.e., integer or double.

bool	hasIntegerType () const
	Retrieves whether the expression has an integer type.

bool	hasBitVectorType () const
	Retrieves whether the expression has a bitvector type.

bool	hasBooleanType () const
	Retrieves whether the expression has a boolean type.

bool	hasRationalType () const
	Retrieves whether the expression has a rational return type.

std::shared_ptr< BaseExpression const >	getSharedPointer () const
	Retrieves a shared pointer to this expression.

ExpressionManager const &	getManager () const
	Retrieves the manager responsible for this expression.

Type const &	getType () const
	Retrieves the type of the expression.

virtual bool	isIfThenElseExpression () const

IfThenElseExpression const &	asIfThenElseExpression () const

virtual bool	isBinaryBooleanFunctionExpression () const

BinaryBooleanFunctionExpression const &	asBinaryBooleanFunctionExpression () const

virtual bool	isBinaryNumericalFunctionExpression () const

BinaryNumericalFunctionExpression const &	asBinaryNumericalFunctionExpression () const

virtual bool	isBinaryRelationExpression () const

BinaryRelationExpression const &	asBinaryRelationExpression () const

virtual bool	isBooleanLiteralExpression () const

BooleanLiteralExpression const &	asBooleanLiteralExpression () const

virtual bool	isIntegerLiteralExpression () const

IntegerLiteralExpression const &	asIntegerLiteralExpression () const

virtual bool	isRationalLiteralExpression () const

RationalLiteralExpression const &	asRationalLiteralExpression () const

virtual bool	isUnaryBooleanFunctionExpression () const

UnaryBooleanFunctionExpression const &	asUnaryBooleanFunctionExpression () const

virtual bool	isUnaryNumericalFunctionExpression () const

UnaryNumericalFunctionExpression const &	asUnaryNumericalFunctionExpression () const

VariableExpression const &	asVariableExpression () const

virtual bool	isPredicateExpression () const

PredicateExpression const &	asPredicateExpression () const

Protected Member Functions
virtual void	printToStream (std::ostream &stream) const override
	Prints the expression to the given stream.

Detailed Description

Definition at line 10 of file VariableExpression.h.

Constructor & Destructor Documentation

◆ VariableExpression() [1/3]

storm::expressions::VariableExpression::VariableExpression ( Variable const & variable )

Creates a variable expression with the given return type and variable name.

Parameters

returnType	The return type of the variable expression.
variableName	The name of the variable associated with this expression.

Definition at line 9 of file VariableExpression.cpp.

◆ VariableExpression() [2/3]

storm::expressions::VariableExpression::VariableExpression ( VariableExpression const & )

default

◆ VariableExpression() [3/3]

storm::expressions::VariableExpression::VariableExpression ( VariableExpression && )

default

◆ ~VariableExpression()

virtual storm::expressions::VariableExpression::~VariableExpression ( )

virtualdefault

Member Function Documentation

◆ accept()

boost::any storm::expressions::VariableExpression::accept	(	ExpressionVisitor &	visitor,
		boost::any const &	data
	)		const

overridevirtual

Accepts the given visitor by calling its visit method.

Parameters

visitor The visitor that is to be accepted.

Implements storm::expressions::BaseExpression.

Definition at line 66 of file VariableExpression.cpp.

◆ containsVariables()

bool storm::expressions::VariableExpression::containsVariables ( ) const

overridevirtual

Retrieves whether the expression contains a variable.

Returns: True iff the expression contains a variable.

Reimplemented from storm::expressions::BaseExpression.

Definition at line 50 of file VariableExpression.cpp.

◆ evaluateAsBool()

bool storm::expressions::VariableExpression::evaluateAsBool ( Valuation const * valuation = nullptr ) const

overridevirtual

Evaluates the expression under the valuation of unknowns (variables and constants) given by the valuation and returns the resulting boolean value.

If the return type of the expression is not a boolean an exception is thrown.

Parameters

valuation The valuation of unknowns under which to evaluate the expression.

Returns: The boolean value of the expression under the given valuation.

Reimplemented from storm::expressions::BaseExpression.

Definition at line 21 of file VariableExpression.cpp.

◆ evaluateAsDouble()

double storm::expressions::VariableExpression::evaluateAsDouble ( Valuation const * valuation = nullptr ) const

overridevirtual

Evaluates the expression under the valuation of unknowns (variables and constants) given by the valuation and returns the resulting double value.

If the return type of the expression is not a double an exception is thrown.

Parameters

valuation The valuation of unknowns under which to evaluate the expression.

Returns: The double value of the expression under the given valuation.

Reimplemented from storm::expressions::BaseExpression.

Definition at line 35 of file VariableExpression.cpp.

◆ evaluateAsInt()

int_fast64_t storm::expressions::VariableExpression::evaluateAsInt ( Valuation const * valuation = nullptr ) const

overridevirtual

Evaluates the expression under the valuation of unknowns (variables and constants) given by the valuation and returns the resulting integer value.

If the return type of the expression is not an integer an exception is thrown.

Parameters

valuation The valuation of unknowns under which to evaluate the expression.

Returns: The integer value of the expression under the given valuation.

Reimplemented from storm::expressions::BaseExpression.

Definition at line 28 of file VariableExpression.cpp.

◆ gatherVariables()

void storm::expressions::VariableExpression::gatherVariables ( std::set< storm::expressions::Variable > & variables ) const

overridevirtual

Retrieves the set of all variables that appear in the expression.

Parameters

The	set into which all variables in this expresson are inserted.

Implements storm::expressions::BaseExpression.

Definition at line 58 of file VariableExpression.cpp.

◆ getIdentifier()

std::string const & storm::expressions::VariableExpression::getIdentifier ( ) const

overridevirtual

Retrieves the identifier associated with this expression.

This is only legal to call if the expression is a variable.

Returns: The identifier associated with this expression.

Reimplemented from storm::expressions::BaseExpression.

Definition at line 46 of file VariableExpression.cpp.

◆ getVariable()

Variable const & storm::expressions::VariableExpression::getVariable ( ) const

Retrieves the variable associated with this expression.

Returns: The variable associated with this expression.

Definition at line 17 of file VariableExpression.cpp.

◆ getVariableName()

std::string const & storm::expressions::VariableExpression::getVariableName ( ) const

Retrieves the name of the variable associated with this expression.

Returns: The name of the variable.

Definition at line 13 of file VariableExpression.cpp.

◆ isVariable()

bool storm::expressions::VariableExpression::isVariable ( ) const

overridevirtual

Retrieves whether the expression is a variable.

Returns: True iff the expression is a variable.

Reimplemented from storm::expressions::BaseExpression.

Definition at line 54 of file VariableExpression.cpp.

◆ isVariableExpression()

bool storm::expressions::VariableExpression::isVariableExpression ( ) const

overridevirtual

Reimplemented from storm::expressions::BaseExpression.

Definition at line 70 of file VariableExpression.cpp.

◆ operator=() [1/2]

VariableExpression & storm::expressions::VariableExpression::operator= ( VariableExpression && )

delete

◆ operator=() [2/2]

VariableExpression & storm::expressions::VariableExpression::operator= ( VariableExpression const & )

delete

◆ printToStream()

void storm::expressions::VariableExpression::printToStream ( std::ostream & stream ) const

overrideprotectedvirtual

Prints the expression to the given stream.

Parameters

stream The stream to which to write the expression.

Implements storm::expressions::BaseExpression.

Definition at line 74 of file VariableExpression.cpp.

◆ simplify()

std::shared_ptr< BaseExpression const > storm::expressions::VariableExpression::simplify ( ) const

overridevirtual

Simplifies the expression according to some simple rules.

Returns: A pointer to the simplified expression.

Implements storm::expressions::BaseExpression.

Definition at line 62 of file VariableExpression.cpp.

The documentation for this class was generated from the following files:

src/storm/storage/expressions/VariableExpression.h
src/storm/storage/expressions/VariableExpression.cpp

Public Member Functions

Protected Member Functions

Detailed Description

Constructor & Destructor Documentation

◆ VariableExpression() [1/3]

◆ VariableExpression() [2/3]

◆ VariableExpression() [3/3]

◆ ~VariableExpression()

Member Function Documentation

◆ accept()

◆ containsVariables()

◆ evaluateAsBool()

◆ evaluateAsDouble()

◆ evaluateAsInt()

◆ gatherVariables()

◆ getIdentifier()

◆ getVariable()

◆ getVariableName()

◆ isVariable()

◆ isVariableExpression()

◆ operator=() [1/2]

◆ operator=() [2/2]

◆ printToStream()

◆ simplify()