[Vm-beginners] MicroSqueak's Interpreter

[John M McIntosh]

Also see
http://isqueak.org/PlatformVMAPI

On 2011-01-08, at 1:21 PM, Chris Cunnington wrote:

> MicroSqueak comes with an Interpreter class. InterpreterSupportCode writeMacSourceFiles spits out:
> 
> msq.h
> msqFilePrims.c
> msqMain.c
> msqMiscPrims.c
> projectArchive.sit (which opens up into MicroSqueak VM.proj)
> 
> The README mentions an interp.c, which doesn't appear anywhere.
> 
> These files are from 1999 and PPC, so I'd imagine compiling from these is not feasible.
> But they point to an interesting direction for learning how to make a vm: a tiny set of files.
> 
> sq.h and interp.c are clearly required. The README gives the impression the .c files are where the options are. Connecting to to stdio.h is important, of course.
> 
> A good approach would be to have somebody list equivalent files produced by the current VM.
> Maybe /platforms/Cross/vm:
> 
> sq.h
> sqMemoryAccess.h
> sqNamedPrims.c
> sqVirtualMachine.c
> sqVirtualMachine.h
> and,
> /platforms/unix/src/interp.c
> 
> If somebody could point to a subset of what the VMBuilderTool produces, I think it could go a long way to making vm hacking more approachable. I understand that any file set would need some doctoring, but even so, looking at five files is something that wouldn't make a beginner balk.
> 
> Any suggestions as to a tight subset for me to explore and compile on my Mac using the process described in Adrian's blog would be greatly appreciated.
> 
> Then I could see the relationship to MicroSqueak's 56k image. :)
> Actually, I guess you have to see what the image does and then work back to the capabilities available in the vm. Anyway...you get the idea.
> 
> 
> Chris
> 
> 
> 
> 
> 
> 
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> VM-beginners at lists.squeakfoundation.org
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John M. McIntosh <johnmci at smalltalkconsulting.com>   Twitter:  squeaker68882
Corporate Smalltalk Consulting Ltd.  http://www.smalltalkconsulting.com
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