# 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 = 'Evt' # 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 <Carbon/Carbon.h> """ # From here on it's basically all boiler plate... # Create the generator groups and link them module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff) # Create the generator classes used to populate the lists Function = OSErrWeakLinkFunctionGenerator ##Method = OSErrWeakLinkMethodGenerator # Create and populate the lists functions = [] execfile(INPUTFILE) # Move TickCount here, for convenience f = Function(UInt32, 'TickCount', ) functions.append(f) # 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) WaitNextEvent_body = """ Boolean _rv; EventMask eventMask; EventRecord theEvent; UInt32 sleep; Handle mouseregion = (Handle)0; if (!PyArg_ParseTuple(_args, "Hl|O&", &eventMask, &sleep, OptResObj_Convert, &mouseregion)) return NULL; _rv = WaitNextEvent(eventMask, &theEvent, sleep, (RgnHandle)mouseregion); _res = Py_BuildValue("bO&", _rv, PyMac_BuildEventRecord, &theEvent); return _res; """ f = ManualGenerator("WaitNextEvent", WaitNextEvent_body); f.docstring = lambda: "(EventMask eventMask, UInt32 sleep [,RegionHandle]) -> (Boolean _rv, EventRecord theEvent)" module.add(f) # generate output (open the output file as late as possible) SetOutputFileName(OUTPUTFILE) module.generate()