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Text File | 1996-04-10 | 2.8 KB | 82 lines | [TEXT/Pyth] |
- # This script generates a Python interface for an Apple Macintosh Manager.
- # It uses the "bgen" package to generate C code.
- # The function specifications are generated by scanning the mamager's header file,
- # using the "scantools" package (customized for this particular manager).
-
- import string
-
- # Declarations that change for each manager
- MACHEADERFILE = 'Events.h' # The Apple header file
- MODNAME = 'Evt' # The name of the module
- OBJECTNAME = 'Event' # The basic name of the objects used here
- KIND = 'Record' # Usually 'Ptr' or 'Handle'
-
- # The following is *usually* unchanged but may still require tuning
- MODPREFIX = MODNAME # The prefix for module-wide routines
- OBJECTTYPE = OBJECTNAME + KIND # The C type used to represent them
- OBJECTPREFIX = MODPREFIX + 'Obj' # The prefix for object methods
- INPUTFILE = string.lower(MODPREFIX) + 'gen.py' # The file generated by the scanner
- OUTPUTFILE = MODNAME + "module.c" # The file generated by this program
-
- from macsupport import *
-
- # Create the type objects
-
- #WindowPeek = OpaqueByValueType("WindowPeek", OBJECTPREFIX)
-
- RgnHandle = FakeType("(RgnHandle)0")
- # XXXX Should be next, but this will break a lot of code...
- # RgnHandle = OpaqueByValueType("RgnHandle", "OptResObj")
-
- KeyMap = ArrayOutputBufferType("KeyMap")
- MacOSEventKind = Type("MacOSEventKind", "h") # Old-style
- MacOSEventMask = Type("MacOSEventMask", "h") # Old-style
- EventMask = Type("EventMask", "h")
- EventKind = Type("EventKind", "h")
-
- includestuff = includestuff + """
- #include <%s>""" % MACHEADERFILE + """
- #include <Desk.h>
-
- #define resNotFound -192 /* Can't include <Errors.h> because of Python's "errors.h" */
- """
-
- class MyObjectDefinition(GlobalObjectDefinition):
- def outputCheckNewArg(self):
- Output("if (itself == NULL) return PyMac_Error(resNotFound);")
- def outputCheckConvertArg(self):
- OutLbrace("if (DlgObj_Check(v))")
- Output("*p_itself = ((WindowObject *)v)->ob_itself;")
- Output("return 1;")
- OutRbrace()
- Out("""
- if (v == Py_None) { *p_itself = NULL; return 1; }
- if (PyInt_Check(v)) { *p_itself = (WindowPtr)PyInt_AsLong(v); return 1; }
- """)
-
- # From here on it's basically all boiler plate...
-
- # Create the generator groups and link them
- module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff)
- ##object = MyObjectDefinition(OBJECTNAME, OBJECTPREFIX, OBJECTTYPE)
- ##module.addobject(object)
-
- # Create the generator classes used to populate the lists
- Function = OSErrFunctionGenerator
- ##Method = OSErrMethodGenerator
-
- # Create and populate the lists
- functions = []
- ##methods = []
- execfile(INPUTFILE)
-
- # add the populated lists to the generator groups
- # (in a different wordl the scan program would generate this)
- for f in functions: module.add(f)
- ##for f in methods: object.add(f)
-
- # generate output (open the output file as late as possible)
- SetOutputFileName(OUTPUTFILE)
- module.generate()
-
-