Package com.singularsys.jep.parser

Class ASTVarNode

java.lang.Object

com.singularsys.jep.parser.SimpleNode

com.singularsys.jep.parser.ASTVarNode

All Implemented Interfaces:

Node

public class ASTVarNode
extends SimpleNode

Variable Node

Nested Class Summary

Nested classes/interfaces inherited from interface com.singularsys.jep.parser.Node

Node.HookKey

Field Summary

Fields inherited from class com.singularsys.jep.parser.SimpleNode

children, id, keys, parent, vals

Constructor Summary

Constructors

Constructor	Description
ASTVarNode(int id)

Method Summary

Modifier and Type	Method	Description
String	getName()	Returns the name of the variable.
Operator	getOperator()	Return the operator associated with a Node (if any)
PostfixMathCommandI	getPFMC()	Return the pfmc of a node (if any)
Object	getValue()	Return the value represented by the variable
Variable	getVar()	Return the variable associated with a Node (if any)
Object	jjtAccept(ParserVisitor visitor, Object data)	Accept the visitor.
void	setVar(Variable variable)
String	toString()	Creates a string containing the variable's name and value

Methods inherited from class com.singularsys.jep.parser.SimpleNode

childIterator, children, childrenAccept, dump, getHook, getId, hookKeys, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, removeHook, setHook, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

ASTVarNode

public ASTVarNode(int id)

Method Details

jjtAccept

public Object jjtAccept(ParserVisitor visitor,
 Object data)
                 throws JepException

Accept the visitor.

Specified by:

jjtAccept in interface Node

Overrides:

jjtAccept in class SimpleNode

Throws:

JepException

setVar

public void setVar(Variable variable)

getVar

public Variable getVar()

Description copied from interface: Node

Return the variable associated with a Node (if any)

Returns:

The Variable for ASTVarNodes, null otherwise

getName

public String getName()

Returns the name of the variable.

Returns:

the name if an ASTVarNode, ASTFunNode, ASTOpNode, null otherwise

getValue

public Object getValue()

Return the value represented by the variable

Returns:

the value or null if no variable is defined.

toString

public String toString()

Creates a string containing the variable's name and value

Overrides:

toString in class Object

getOperator

public Operator getOperator()

Description copied from interface: Node

Return the operator associated with a Node (if any)

Returns:

The Operator for ASTOpNodes, null otherwise

getPFMC

public PostfixMathCommandI getPFMC()

Description copied from interface: Node

Return the pfmc of a node (if any)

Returns:

the PostfixMathCommand for ASTFunNode and ASTOpNode, null otherwise