106 lines
3.7 KiB
Python
106 lines
3.7 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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import string
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# Declarations that change for each manager
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MACHEADERFILE = 'OSA.h' # The Apple header file
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MODNAME = '_OSA' # The name of the module
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# The following is *usually* unchanged but may still require tuning
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MODPREFIX = 'OSA' # The prefix for module-wide routines
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OBJECTPREFIX = 'OSAObj' # 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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includestuff = includestuff + """
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#if PY_VERSION_HEX < 0x02040000
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PyObject *PyMac_GetOSErrException(void);
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#endif
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#include <Carbon/Carbon.h>
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#ifdef USE_TOOLBOX_OBJECT_GLUE
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extern PyObject *_OSAObj_New(ComponentInstance);
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extern int _OSAObj_Convert(PyObject *, ComponentInstance *);
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#define OSAObj_New _OSAObj_New
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#define OSAObj_Convert _OSAObj_Convert
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#endif
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"""
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initstuff = initstuff + """
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/*
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PyMac_INIT_TOOLBOX_OBJECT_NEW(ComponentInstance, OSAObj_New);
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PyMac_INIT_TOOLBOX_OBJECT_CONVERT(ComponentInstance, OSAObj_Convert);
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*/
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"""
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ComponentInstance = OpaqueByValueType('ComponentInstance', OBJECTPREFIX)
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OSAError = OSErrType("OSAError", "l")
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# OSALocalOrGlobal = Type("OSALocalOrGlobal", "l")
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OSAID = Type("OSAID", "l")
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OSADebugCallFrameRef = Type("OSADebugCallFrameRef", "l")
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OSADebugSessionRef = Type("OSADebugSessionRef", "l")
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OSADebugStepKind = Type("OSADebugStepKind", "l")
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DescType = OSTypeType("DescType")
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AEDesc = OpaqueType('AEDesc')
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AEDesc_ptr = OpaqueType('AEDesc')
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AEAddressDesc = OpaqueType('AEAddressDesc', 'AEDesc')
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AEAddressDesc_ptr = OpaqueType('AEAddressDesc', 'AEDesc')
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AEDescList = OpaqueType('AEDescList', 'AEDesc')
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AEDescList_ptr = OpaqueType('AEDescList', 'AEDesc')
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AERecord = OpaqueType('AERecord', 'AEDesc')
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AERecord_ptr = OpaqueType('AERecord', 'AEDesc')
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AppleEvent = OpaqueType('AppleEvent', 'AEDesc')
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AppleEvent_ptr = OpaqueType('AppleEvent', 'AEDesc')
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# NOTE: at the moment OSA.ComponentInstance is not a subclass
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# of Cm.ComponentInstance. If this is a problem it can be fixed.
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class MyObjectDefinition(PEP253Mixin, GlobalObjectDefinition):
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def outputCheckNewArg(self):
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Output("""if (itself == NULL) {
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PyErr_SetString(OSA_Error,"NULL ComponentInstance");
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return NULL;
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}""")
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def outputCheckConvertArg(self):
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Output("""
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if (CmpInstObj_Convert(v, p_itself))
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return 1;
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PyErr_Clear();
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""")
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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('OSAComponentInstance', OBJECTPREFIX,
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'ComponentInstance')
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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 = OSErrWeakLinkFunctionGenerator
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Method = OSErrWeakLinkMethodGenerator
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# Test which types we are still missing.
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execfile(string.lower(MODPREFIX) + 'typetest.py')
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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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