Re: [Help-smalltalk] Re: Using Smalltalk as a scripting language

[Paolo Bonzini]

> Got stumped :( . I forgot that the class I try to wrap right now is a
> singleton. With other words in that case I need to assign a c-pointer
> somehow to the class itself not the instance of it. But the class object
> is created by smalltalk so I can't mess with it.

No.  Even if it is a singleton, *never* place singleton methods on the 
class side.  Add a #uniqueInstance class method cCall and use 
gst_register_oop to ensure that the singleton instance is not garbage 
collected.

> So basically I need to mess with the STSomething object. Can I do the
> same hack you mentioned simply for STSomething like this?
>
> Object subclass: STSomething [
>      STSomething class [
>          <shape: #byte>
>          new [<cCall: 'CSomething_new' returning: #void args: #(#self)>  ]
>      ]
> ]

I answered above, but probably you want "returning: #smalltalk args: 
#(#selfSmalltalk)" in general.

Paolo