4 Dec
2010
4 Dec
'10
2:26 a.m.
I don't really understand the code in forth/lib/preprocessor.fs but it looks as if some state is held in three variables. Also the [ELSE] case handling in the [IF] loop looks unintuitive...
It looks like a bastardised version of the example code in the standard. It only handles nested [IF] , not [IFDEF] etc. It wouldn't be hard to add it (just add and extra case, where it does a string compare for [IF] ).
Or, write it as
[DEFINED] bla [IF] [DEFINED] blub [IF] ... [ELSE]
etc.
Segher