org.concord.util.script
Class ReferenceExpression

java.lang.Object
  |
  +--org.concord.util.script.ScriptObject
        |
        +--org.concord.util.script.Expression
              |
              +--org.concord.util.script.ReferenceExpression

All Implemented Interfaces:

java.beans.BeanInfo

public class ReferenceExpression

extends Expression

The ReferenceExpression implements the semantics of the left side of and assignment statement. The reference expression is an expression because in the case of a field, the object part has to be evaluated before the field can be referenced. Ordinary variables are simple NameStack enter operations.

Version:

$Revision: 1.1.1.1 $ $Date: 2001/04/28 00:39:31 $

Author:

$Author: ed $

Fields inherited from class org.concord.util.script.ScriptObject

beginColumn, beginLine, debug, deleted, doConversion, endColumn, endLine, name, nil, runtimeTable, script

Fields inherited from interface java.beans.BeanInfo

ICON_COLOR_16x16, ICON_COLOR_32x32, ICON_MONO_16x16, ICON_MONO_32x32

Constructor Summary

ReferenceExpression(Script script)
ReferenceExpression constructor.

Method Summary

void	delete()
void	interpret() This does nothing.
void	interpret(java.lang.Object object)
void	setIndexExpression(Expression expr) Set the index expression.
void	setObjectExpression(Expression expr) Set the object expression.
void	setValue(java.lang.Object object) This is invoked when the semantic engine interprets an assignment node and has to set the left side of the assignment.
void	setVariable(java.lang.String name) Set the variable name.

Methods inherited from class org.concord.util.script.Expression

toString

Methods inherited from class org.concord.util.script.ScriptObject

findConstructor, findMethod, getAdditionalBeanInfo, getArrayValue, getAtom, getBeanDescriptor, getCurrentFrame, getDefaultEventIndex, getDefaultPropertyIndex, getEventSetDescriptors, getField, getFieldValue, getIcon, getMethodDescriptors, getName, getPropertyDescriptors, getScript, popFrame, pushFrame, setArrayValue, setCurrentFrame, setFieldValue, setName, setScript, setSourceBounds

Methods inherited from class java.lang.Object

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

Constructor Detail

ReferenceExpression

public ReferenceExpression(Script script)

ReferenceExpression constructor.

Method Detail

delete

public void delete()

Overrides:

delete in class ScriptObject

setVariable

public void setVariable(java.lang.String name)

Set the variable name.

Parameters:

name - String - name of variable reference.

setObjectExpression

public void setObjectExpression(Expression expr)

Set the object expression.

Parameters:

object - Expression - the object expression.

setIndexExpression

public void setIndexExpression(Expression expr)

Set the index expression.

Parameters:

object - Expression - the index expression.

setValue

public void setValue(java.lang.Object object)

This is invoked when the semantic engine interprets an assignment node and has to set the left side of the assignment.

Parameters:

object - Object - the value to be set.

interpret

public void interpret()

Description copied from class: ScriptObject

This does nothing. Maybe should be abstract?

Overrides:

interpret in class Expression

interpret

public void interpret(java.lang.Object object)

Overrides:

interpret in class Expression