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76 lines
2.5 KiB
Python
76 lines
2.5 KiB
Python
# This script generates a Python interface for an Apple Macintosh Manager.
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# It uses the "bgen" package to generate C code.
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# The function specifications are generated by scanning the mamager's header file,
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# using the "scantools" package (customized for this particular manager).
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# NOTE: the scrap include file is so bad that the bgen output has to be
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# massaged by hand.
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import string
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# Declarations that change for each manager
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MACHEADERFILE = 'Scrap.h' # The Apple header file
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MODNAME = '_Scrap' # The name of the module
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OBJECTNAME = 'Scrap' # The basic name of the objects used here
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# The following is *usually* unchanged but may still require tuning
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MODPREFIX = 'Scrap' # The prefix for module-wide routines
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OBJECTTYPE = OBJECTNAME + 'Ref' # The C type used to represent them
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OBJECTPREFIX = MODPREFIX + 'Obj' # The prefix for object methods
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INPUTFILE = string.lower(MODPREFIX) + 'gen.py' # The file generated by the scanner
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OUTPUTFILE = '@' + MODNAME + "module.c" # The file generated by this program
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from macsupport import *
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# Create the type objects
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ScrapRef = OpaqueByValueType(OBJECTTYPE, OBJECTPREFIX)
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includestuff = includestuff + """
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#include <Carbon/Carbon.h>
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/*
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** Generate ScrapInfo records
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*/
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static PyObject *
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SCRRec_New(itself)
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ScrapStuff *itself;
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{
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return Py_BuildValue("lO&hhO&", itself->scrapSize,
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ResObj_New, itself->scrapHandle, itself->scrapCount, itself->scrapState,
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PyMac_BuildStr255, itself->scrapName);
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}
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"""
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ScrapStuffPtr = OpaqueByValueType('ScrapStuffPtr', 'SCRRec')
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ScrapFlavorType = OSTypeType('ScrapFlavorType')
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ScrapFlavorFlags = Type('ScrapFlavorFlags', 'l')
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#ScrapFlavorInfo = OpaqueType('ScrapFlavorInfo', 'ScrapFlavorInfo')
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putscrapbuffer = FixedInputBufferType('void *')
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class MyObjectDefinition(PEP253Mixin, GlobalObjectDefinition):
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pass
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# Create the generator groups and link them
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module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff)
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object = MyObjectDefinition(OBJECTNAME, OBJECTPREFIX, OBJECTTYPE)
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module.addobject(object)
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# Create the generator classes used to populate the lists
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Function = OSErrFunctionGenerator
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Method = OSErrMethodGenerator
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# Create and populate the lists
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functions = []
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methods = []
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execfile(INPUTFILE)
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# add the populated lists to the generator groups
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# (in a different wordl the scan program would generate this)
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for f in functions: module.add(f)
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for f in methods: object.add(f)
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# generate output (open the output file as late as possible)
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SetOutputFileName(OUTPUTFILE)
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module.generate()
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