Package org.apache.commons.jexl2.parser

Class ASTJexlScript

java.lang.Object

org.apache.commons.jexl2.parser.SimpleNode

org.apache.commons.jexl2.parser.JexlNode

org.apache.commons.jexl2.parser.ASTJexlScript

All Implemented Interfaces:

JexlInfo, Node

public class ASTJexlScript
extends JexlNode

Enhanced script to allow parameters declaration.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.commons.jexl2.parser.JexlNode

JexlNode.Literal<T>

Field Summary

Fields inherited from class org.apache.commons.jexl2.parser.JexlNode

image

Fields inherited from class org.apache.commons.jexl2.parser.SimpleNode

children, id, parent, value

Constructor Summary

Constructors

Constructor	Description
ASTJexlScript(int id)
ASTJexlScript(Parser p, int id)

Method Summary

Modifier and Type	Method	Description
JexlEngine.Frame	createFrame(java.lang.Object... values)	Creates an array of arguments by copying values up to the number of parameters.
int	getArgCount()	Gets the (maximum) number of arguments this script expects.
java.lang.String[]	getLocalVariables()	Gets this script local variable, i.e.
java.lang.String[]	getParameters()	Gets this script parameters, i.e.
java.lang.String[]	getRegisters()	Gets this script registers, i.e.
JexlEngine.Scope	getScope()	Gets this script scope.
java.lang.Object	jjtAccept(ParserVisitor visitor, java.lang.Object data)	Accept the visitor.
void	setScope(JexlEngine.Scope theScope)	Sets the parameters and registers

Methods inherited from class org.apache.commons.jexl2.parser.JexlNode

debugInfo, debugString, isConstant, isConstant

Methods inherited from class java.lang.Object

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

Methods inherited from class org.apache.commons.jexl2.parser.SimpleNode

childrenAccept, dump, getId, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtGetValue, jjtOpen, jjtSetParent, jjtSetValue, toString, toString

Constructor Detail

ASTJexlScript

public ASTJexlScript(int id)

ASTJexlScript

public ASTJexlScript(Parser p,
                     int id)

Method Detail

jjtAccept

public java.lang.Object jjtAccept(ParserVisitor visitor,
                                  java.lang.Object data)

Description copied from class: SimpleNode

Accept the visitor.

Specified by:

jjtAccept in interface Node

Overrides:

jjtAccept in class SimpleNode

Parameters:

visitor - the visitor

data - contextual data

Returns:

result of visit

setScope

public void setScope(JexlEngine.Scope theScope)

Sets the parameters and registers

Parameters:

theScope - the scope

getScope

public JexlEngine.Scope getScope()

Gets this script scope.

createFrame

public JexlEngine.Frame createFrame(java.lang.Object... values)

Creates an array of arguments by copying values up to the number of parameters.

Parameters:

values - the argument values

Returns:

the arguments array

getArgCount

public int getArgCount()

Gets the (maximum) number of arguments this script expects.

Returns:

the number of parameters

getRegisters

public java.lang.String[] getRegisters()

Gets this script registers, i.e. parameters and local variables.

Returns:

the register names

getParameters

public java.lang.String[] getParameters()

Gets this script parameters, i.e. registers assigned before creating local variables.

Returns:

the parameter names

getLocalVariables

public java.lang.String[] getLocalVariables()

Gets this script local variable, i.e. registers assigned to local variables.

Returns:

the parameter names