Package net.ssehub.easy.varModel.cst

Class Let

java.lang.Object

net.ssehub.easy.varModel.cst.ConstraintSyntaxTree

net.ssehub.easy.varModel.cst.Let

All Implemented Interfaces:

IAttributeAccess

Direct Known Subclasses:

IterLet

public class Let
extends ConstraintSyntaxTree

Represents a let expression, i.e. a local variable declaration which can be used in the attached expression.

Author:

Holger Eichelberger

Field Summary

Fields

Modifier and Type	Field	Description
private ConstraintSyntaxTree	inExpr
private DecisionVariableDeclaration	var

Constructor Summary

Constructors

Constructor	Description
Let(DecisionVariableDeclaration var, ConstraintSyntaxTree inExpr)	Creates a new let expression.

Method Summary

Modifier and Type	Method	Description
void	accept(IConstraintTreeVisitor visitor)	Visiting method for the visitor.
boolean	equals(Object obj)
ConstraintSyntaxTree	getInExpression()	Returns the expression the local variable may be used in.
ConstraintSyntaxTree	getInitExpression()	Returns the initialization expression.
DecisionVariableDeclaration	getVariable()	Returns the local variable.
int	hashCode()
IDatatype	inferDatatype()	Infers the datatype of the subtree represented by this object.

Methods inherited from class net.ssehub.easy.varModel.cst.ConstraintSyntaxTree

getAttribute, getAttribute, getAttributesCount, getContainedType, getName, getParent, isSemanticallyEqual

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Field Details

var

private DecisionVariableDeclaration var

inExpr

private ConstraintSyntaxTree inExpr

Constructor Details

Let

public Let(DecisionVariableDeclaration var,
 ConstraintSyntaxTree inExpr)

Creates a new let expression.

Parameters:

var - the local variable

inExpr - the expression the local variable may be used in

Method Details

getVariable

public DecisionVariableDeclaration getVariable()

Returns the local variable.

Returns:

the local variable

getInitExpression

public ConstraintSyntaxTree getInitExpression()

Returns the initialization expression.

Returns:

the initialization expression

getInExpression

public ConstraintSyntaxTree getInExpression()

Returns the expression the local variable may be used in.

Returns:

the expression using the local variable

inferDatatype

public IDatatype inferDatatype()
                        throws CSTSemanticException

Description copied from class: ConstraintSyntaxTree

Infers the datatype of the subtree represented by this object.

Specified by:

inferDatatype in class ConstraintSyntaxTree

Returns:

the data type

Throws:

CSTSemanticException - Will be thrown if parameters of (sub-) trees do not fit together.

accept

public void accept(IConstraintTreeVisitor visitor)

Description copied from class: ConstraintSyntaxTree

Visiting method for the visitor.
This method is used for saving this model element.

Specified by:

accept in class ConstraintSyntaxTree

Parameters:

visitor - The visitor, which should save this model element.

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object