| 1 | # This script generates a Python interface for an Apple Macintosh Manager.
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| 2 | # It uses the "bgen" package to generate C code.
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| 3 | # The function specifications are generated by scanning the mamager's header file,
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| 4 | # using the "scantools" package (customized for this particular manager).
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| 5 |
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| 6 | import string
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| 7 |
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| 8 | # Declarations that change for each manager
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| 9 | MODNAME = '_Help' # The name of the module
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| 10 | OBJECTNAME = 'UNUSED' # The basic name of the objects used here
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| 11 | KIND = 'Record' # Usually 'Ptr' or 'Handle'
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| 12 |
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| 13 | # The following is *usually* unchanged but may still require tuning
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| 14 | MODPREFIX = 'Help' # The prefix for module-wide routines
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| 15 | OBJECTTYPE = OBJECTNAME + KIND # The C type used to represent them
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| 16 | OBJECTPREFIX = MODPREFIX + 'Obj' # The prefix for object methods
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| 17 | INPUTFILE = string.lower(MODPREFIX) + 'gen.py' # The file generated by the scanner
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| 18 | OUTPUTFILE = MODNAME + "module.c" # The file generated by this program
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| 19 |
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| 20 | from macsupport import *
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| 21 |
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| 22 | # Create the type objects
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| 23 | MenuRef = OpaqueByValueType("MenuRef", "MenuObj")
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| 24 | MenuItemIndex = Type("MenuItemIndex", "H")
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| 25 |
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| 26 | #WindowPeek = OpaqueByValueType("WindowPeek", OBJECTPREFIX)
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| 27 |
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| 28 | #RgnHandle = FakeType("(RgnHandle)0")
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| 29 | # XXXX Should be next, but this will break a lot of code...
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| 30 | # RgnHandle = OpaqueByValueType("RgnHandle", "OptResObj")
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| 31 |
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| 32 | #KeyMap = ArrayOutputBufferType("KeyMap")
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| 33 | ##MacOSEventKind = Type("MacOSEventKind", "h") # Old-style
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| 34 | ##MacOSEventMask = Type("MacOSEventMask", "h") # Old-style
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| 35 | #EventMask = Type("EventMask", "H")
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| 36 | #EventKind = Type("EventKind", "H")
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| 37 |
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| 38 | includestuff = includestuff + """
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| 39 | #include <Carbon/Carbon.h>
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| 40 | """
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| 41 |
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| 42 | class MyObjectDefinition(PEP253Mixin, GlobalObjectDefinition):
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| 43 | def outputCheckNewArg(self):
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| 44 | Output("if (itself == NULL) return PyMac_Error(resNotFound);")
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| 45 | def outputCheckConvertArg(self):
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| 46 | OutLbrace("if (DlgObj_Check(v))")
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| 47 | Output("*p_itself = ((WindowObject *)v)->ob_itself;")
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| 48 | Output("return 1;")
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| 49 | OutRbrace()
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| 50 | Out("""
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| 51 | if (v == Py_None) { *p_itself = NULL; return 1; }
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| 52 | if (PyInt_Check(v)) { *p_itself = (WindowPtr)PyInt_AsLong(v); return 1; }
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| 53 | """)
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| 54 |
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| 55 | # From here on it's basically all boiler plate...
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| 56 |
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| 57 | # Create the generator groups and link them
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| 58 | module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff)
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| 59 | ##object = MyObjectDefinition(OBJECTNAME, OBJECTPREFIX, OBJECTTYPE)
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| 60 | ##module.addobject(object)
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| 61 |
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| 62 | # Create the generator classes used to populate the lists
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| 63 | Function = OSErrFunctionGenerator
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| 64 | ##Method = OSErrMethodGenerator
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| 65 |
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| 66 | # Create and populate the lists
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| 67 | functions = []
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| 68 | ##methods = []
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| 69 | execfile(INPUTFILE)
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| 70 |
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| 71 | # add the populated lists to the generator groups
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| 72 | # (in a different wordl the scan program would generate this)
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| 73 | for f in functions: module.add(f)
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| 74 | ##for f in methods: object.add(f)
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| 75 |
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| 76 | # generate output (open the output file as late as possible)
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| 77 | SetOutputFileName(OUTPUTFILE)
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| 78 | module.generate()
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