Basically, the zend_vm_gen.php script auto-generates the chosen VM architecture (goto/call/switch) and the user can also select if he wants to specialize opcodes and/or wants the generator to enable/disable preprocessor #line statements (for debugging it might be easier to not produce them so that you get to debug the actual code without macros).
It's not attached this time due to our annoying attachment filter :)
http://snaps.php.net/~andi/zend_vm_newgen.tar.gz
Please play around with it and send me feedback. We should pretty much decide what's preferred. The preprocessor stuff or this script. I think I favor the script even though the script itself has to be maintained, mainly because I think the preprocessor stuff was kind of hard to understand and mainly to debug. The auto-generated code will definitely be easier to debug as it won't have as many macros.
Andi
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