Package com.singularsys.jep.parser

Class ASTOpNode

java.lang.Object

com.singularsys.jep.parser.SimpleNode

com.singularsys.jep.parser.ASTFunNode

com.singularsys.jep.parser.ASTOpNode

All Implemented Interfaces:

Node

public class ASTOpNode
extends ASTFunNode

Represents an operator like +. Children are the arguments.

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.ASTFunNode

pfmc

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

children, id, keys, parent, vals

Constructor Summary

Constructors

Constructor	Description
ASTOpNode(int id)	Creates a new ASTFunNode

Method Summary

Modifier and Type	Method	Description
String	getName()	Returns the name of the node (operator symbol or function name).
Operator	getOperator()	Returns the id number of the operator if the node is an operator.
Object	jjtAccept(ParserVisitor visitor, Object data)	Accept the visitor.
void	setOperator(Operator op)	Sets the opID, name and pfmc for this node by looking up the values in the Operators class
String	toString()	Returns a string containing the function name.

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

getPFMC, getValue, getVar, setFunction

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

childIterator, children, childrenAccept, dump, getChildren, 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

ASTOpNode

public ASTOpNode(int id)

Creates a new ASTFunNode

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 ASTFunNode

Throws:

ParseException - on error

JepException

setOperator

public void setOperator(Operator op)

Sets the opID, name and pfmc for this node by looking up the values in the Operators class

toString

public String toString()

Returns a string containing the function name.

Overrides:

toString in class ASTFunNode

getName

public String getName()

Returns the name of the node (operator symbol or function name).

Specified by:

getName in interface Node

Overrides:

getName in class ASTFunNode

Returns:

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

getOperator

public Operator getOperator()

Returns the id number of the operator if the node is an operator.

Specified by:

getOperator in interface Node

Overrides:

getOperator in class ASTFunNode

Returns:

The Operator for ASTOpNodes, null otherwise