edu.vub.at.objects.grammar
Interface AssignField

 AssignField

The public interface to a field assignment AG element.

Example: o.x := 5 where x is a literal symbol

Author:

tvc

Method Summary

Symbol	fieldName() The field name must be a literal symbol Example: `{ o.x := 5}.statements[1].fieldName == `x
Expression	receiverExpression() The receiver expression may be any valid AmbientTalk expression.
Expression	valueExpression() The value expression may be any valid AmbientTalk expression.

Methods inherited from interface edu.vub.at.objects.AbstractGrammar

freeVariables

Methods inherited from interface edu.vub.at.objects.Object

super

Method Detail

receiverExpression

Expression receiverExpression()

The receiver expression may be any valid AmbientTalk expression. Example: `{ o.x := 5}.statements[1].receiverExpression == `o

Returns:

The expression for the object whose field is about to be assigned

fieldName

Symbol fieldName()

The field name must be a literal symbol Example: `{ o.x := 5}.statements[1].fieldName == `x

Returns:

The name of the field

valueExpression

Expression valueExpression()

The value expression may be any valid AmbientTalk expression. Example: `{ o.x := 5}.statements[1].valueExpression == `5

Returns:

The expression for the value that will be assigned to the field