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Also in this branch is the language extension named SubScript. For information about SubScript, you can visit the web site:
##SubScript Compiler issues
The current SubScript compiler (a branch of
scalac) is good enough to compile
the given example programs, but there are some limitations and bugs:
Only language features used in the examples are present and tested. Other features, most notably communication, is TBD
thereare not yet implicit values. Therefore you would need to write things like
Local values and variables in scripts need both be typed and initialized. E.g.,
val b=trueis not accepted yet; instead write
val b:Boolean = true
The "?" syntax for actual output parameters, actual constrained parameters and actual adapting parameters are not yet completely handled. For the time being you may have to use alternative notations. E.g.,
?p ==> ActualOutputParameter (p, (v:Int)=>p=v) ?p ?if(cond) ==> ActualConstrainedParameter(p, (v:Int)=>p=v, (v:Int)=>cond) ??p ==> ActualAdaptingParameter (_p) Note the underscore in the latter line.
- The compiler may crash on values in a script expression for which
no implicit conversion to a script exist.
This may for instance happen if you specify
xin a script expression to denote an event that the
xkey is pressed, and if you forgot to provide an implicit script
##Note on the repository layout Follows the file layout of the Scala repository. Two folders have been added for SubScript:
scala/ src/ All the source files of Scala. subscript/ The sources of the core SubScript library. subscript/examples The sources of SubScript example applications
Note: the file
subscript.swing.Scripts uses the SubScript syntax and can
therefore not be compiled with the starr compiler; it needs to be compiled
with the locker compiler or quick compiler.
SubScript examples are not built with the usual ant targets.
##Contributing to SubScript
Contributors are welcome. The official SubScript website is: www.subscript-lang.org.
As of writing there are no mailing lists, and bug and issue trackers.
The SubScript Team