1 # This script generates a Python interface for an Apple Macintosh Manager. 2 # It uses the "bgen" package to generate C code. 3 # The function specifications are generated by scanning the mamager's header file, 4 # using the "scantools" package (customized for this particular manager). 5 6 import string 7 8 # Declarations that change for each manager 9 MACHEADERFILE = 'Events.h' # The Apple header file 10 MODNAME = '_Evt' # The name of the module 11 OBJECTNAME = 'Event' # The basic name of the objects used here 12 KIND = 'Record' # Usually 'Ptr' or 'Handle' 13 14 # The following is *usually* unchanged but may still require tuning 15 MODPREFIX = 'Evt' # The prefix for module-wide routines 16 OBJECTTYPE = OBJECTNAME + KIND # The C type used to represent them 17 OBJECTPREFIX = MODPREFIX + 'Obj' # The prefix for object methods 18 INPUTFILE = string.lower(MODPREFIX) + 'gen.py' # The file generated by the scanner 19 OUTPUTFILE = MODNAME + "module.c" # The file generated by this program 20 21 from macsupport import * 22 23 # Create the type objects 24 25 #WindowPeek = OpaqueByValueType("WindowPeek", OBJECTPREFIX) 26 27 RgnHandle = FakeType("(RgnHandle)0") 28 # XXXX Should be next, but this will break a lot of code... 29 # RgnHandle = OpaqueByValueType("RgnHandle", "OptResObj") 30 31 KeyMap = ArrayOutputBufferType("KeyMap") 32 ##MacOSEventKind = Type("MacOSEventKind", "h") # Old-style 33 ##MacOSEventMask = Type("MacOSEventMask", "h") # Old-style 34 EventMask = Type("EventMask", "H") 35 EventKind = Type("EventKind", "H") 36 37 includestuff = includestuff + """ 38 #include <Carbon/Carbon.h> 39 40 """ 41 42 # From here on it's basically all boiler plate... 43 44 # Create the generator groups and link them 45 module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff) 46 47 # Create the generator classes used to populate the lists 48 Function = OSErrWeakLinkFunctionGenerator 49 ##Method = OSErrWeakLinkMethodGenerator 50 51 # Create and populate the lists 52 functions = [] 53 execfile(INPUTFILE) 54 55 # Move TickCount here, for convenience 56 f = Function(UInt32, 'TickCount', 57 ) 58 functions.append(f) 59 60 # add the populated lists to the generator groups 61 # (in a different wordl the scan program would generate this) 62 for f in functions: module.add(f) 63 64 WaitNextEvent_body = """ 65 Boolean _rv; 66 EventMask eventMask; 67 EventRecord theEvent; 68 UInt32 sleep; 69 Handle mouseregion = (Handle)0; 70 71 if (!PyArg_ParseTuple(_args, "Hl|O&", 72 &eventMask, 73 &sleep, 74 OptResObj_Convert, &mouseregion)) 75 return NULL; 76 _rv = WaitNextEvent(eventMask, 77 &theEvent, 78 sleep, 79 (RgnHandle)mouseregion); 80 _res = Py_BuildValue("bO&", 81 _rv, 82 PyMac_BuildEventRecord, &theEvent); 83 return _res; 84 """ 85 f = ManualGenerator("WaitNextEvent", WaitNextEvent_body); 86 f.docstring = lambda: "(EventMask eventMask, UInt32 sleep [,RegionHandle]) -> (Boolean _rv, EventRecord theEvent)" 87 module.add(f) 88 89 90 # generate output (open the output file as late as possible) 91 SetOutputFileName(OUTPUTFILE) 92 module.generate() 93