edu.vub.at.objects
Interface Context

 Context

ATContext describes a pair of scope pointers used during evaluation, namely one storing the lexical scope (where the lookup starts for receiverless messages), one storing the late-bound receiver self.

Author:

smostinc

Method Summary

Object	lexicalScope() Returns the lexical environment of the current context.
Object	receiver() Returns the receiver (self pseudovariable) in the current context.
Context	withDynamicReceiver(Object self) Returns a new context object for the given dynamic receiver.
Context	withLexicalEnvironment(Object scope) Returns a new context object for a given scope.

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

super

Method Detail

lexicalScope

Object lexicalScope()

Returns the lexical environment of the current context.

Returns:

an Object representing the lexical environment of the current context.

receiver

Object receiver()

Returns the receiver (self pseudovariable) in the current context.

Returns:

an Object representing the receiver in the current context.

withLexicalEnvironment

Context withLexicalEnvironment(Object scope)

Returns a new context object for a given scope.

Parameters:

scope - a scope.

Returns:

a new context for the given scope.

withDynamicReceiver

Context withDynamicReceiver(Object self)

Returns a new context object for the given dynamic receiver.

Parameters:

self - representing the receiver (self pseudovariable).

Returns:

a new context for the given dynamic receiver.