Package com.singularsys.jep.parser

Class ASTFunNode

java.lang.Object

com.singularsys.jep.parser.SimpleNode

com.singularsys.jep.parser.ASTFunNode

All Implemented Interfaces:

Node

Direct Known Subclasses:

ASTOpNode

public class ASTFunNode
extends SimpleNode

Function Node

Nested Class Summary

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

Node.HookKey

Field Summary

Fields

Modifier and Type	Field	Description
protected PostfixMathCommandI	pfmc	The function class used to evaluate the node

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

children, id, keys, parent, vals

Constructor Summary

Constructors

Constructor	Description
ASTFunNode(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()	Return the operator associated with a Node (if any)
PostfixMathCommandI	getPFMC()	Returns the math command class associated with this node.
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	setFunction(String name_in, PostfixMathCommandI pfmc_in)	Sets the function for a node.
String	toString()	Returns a string containing the function name.

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

Field Details

pfmc

protected PostfixMathCommandI pfmc

The function class used to evaluate the node

Constructor Details

ASTFunNode

public ASTFunNode(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 SimpleNode

Throws:

ParseException

JepException

setFunction

public void setFunction(String name_in,
 PostfixMathCommandI pfmc_in)

Sets the function for a node. A name and function class must be specified.

toString

public String toString()

Returns a string containing the function name.

Overrides:

toString in class Object

getPFMC

public PostfixMathCommandI getPFMC()

Returns the math command class associated with this node.

Returns:

the PostfixMathCommand for ASTFunNode and ASTOpNode, null otherwise

getName

public String getName()

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

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

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

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