Package com.singularsys.jep.parser

Class ASTConstant

java.lang.Object

com.singularsys.jep.parser.SimpleNode

com.singularsys.jep.parser.ASTConstant

All Implemented Interfaces:

Node

public class ASTConstant
extends SimpleNode

A Constant Node. Has an associated value.

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
ASTConstant(int id)

Method Summary

Modifier and Type	Method	Description
String	getName()	Return the name associated with the node (if any).
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 associated with the node (if any).
Variable	getVar()	Return the variable associated with a Node (if any)
Object	jjtAccept(ParserVisitor visitor, Object data)	Accept the visitor.
void	setValue(Object val)
String	toString()

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

ASTConstant

public ASTConstant(int id)

Method Details

setValue

public void setValue(Object val)

getValue

public Object getValue()

Description copied from interface: Node

Return the value associated with the node (if any).

Returns:

the value if an ASTConstant, ASTVarNode, null otherwise

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

toString

public String toString()

Overrides:

toString in class Object

getName

public String getName()

Description copied from interface: Node

Return the name associated with the node (if any).

Returns:

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

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

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