The Athena Smalltalk - Athena Specificity

Athena Specificity

In its actual state, Athena is relatively close to Smalltalk. This page lists the major differences between Athena and common Smalltalk implementation.

Cascade are not supported
API greatly reduced
Object model different. The following expressions are true:

Object superclass isNil
Object class superclass == Class
Object class class == Class
Class superclass == Object
Class class class == Class

Here a list of code snippets that you may find useful:

Saving an image: File saveImage: aString
Creating a subclass: Class addNewClass: (Object subclass: 'MyClass' variables: '' classVariables: '')
Adding or redefining methods: Object compileMethod: 'foo ^ 'Hello World'

The list of bytecode instructions and primitives are available online.