Guido van Rossum | 17448e2 | 1995-01-30 11:53:55 +0000 | [diff] [blame] | 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 = MODNAME # 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 | |
Guido van Rossum | e26c263 | 1995-02-28 09:11:41 +0000 | [diff] [blame] | 25 | #WindowPeek = OpaqueByValueType("WindowPeek", OBJECTPREFIX) |
Guido van Rossum | 17448e2 | 1995-01-30 11:53:55 +0000 | [diff] [blame] | 26 | |
Jack Jansen | 2b72417 | 1996-04-10 14:48:19 +0000 | [diff] [blame] | 27 | RgnHandle = FakeType("(RgnHandle)0") |
| 28 | # XXXX Should be next, but this will break a lot of code... |
| 29 | # RgnHandle = OpaqueByValueType("RgnHandle", "OptResObj") |
Guido van Rossum | 17448e2 | 1995-01-30 11:53:55 +0000 | [diff] [blame] | 30 | |
| 31 | KeyMap = ArrayOutputBufferType("KeyMap") |
Jack Jansen | d40f3c6 | 1995-10-09 23:12:22 +0000 | [diff] [blame] | 32 | MacOSEventKind = Type("MacOSEventKind", "h") # Old-style |
| 33 | MacOSEventMask = Type("MacOSEventMask", "h") # Old-style |
| 34 | EventMask = Type("EventMask", "h") |
| 35 | EventKind = Type("EventKind", "h") |
Guido van Rossum | 17448e2 | 1995-01-30 11:53:55 +0000 | [diff] [blame] | 36 | |
| 37 | includestuff = includestuff + """ |
| 38 | #include <%s>""" % MACHEADERFILE + """ |
| 39 | |
| 40 | #define resNotFound -192 /* Can't include <Errors.h> because of Python's "errors.h" */ |
| 41 | """ |
| 42 | |
| 43 | class MyObjectDefinition(GlobalObjectDefinition): |
| 44 | def outputCheckNewArg(self): |
| 45 | Output("if (itself == NULL) return PyMac_Error(resNotFound);") |
| 46 | def outputCheckConvertArg(self): |
| 47 | OutLbrace("if (DlgObj_Check(v))") |
| 48 | Output("*p_itself = ((WindowObject *)v)->ob_itself;") |
| 49 | Output("return 1;") |
| 50 | OutRbrace() |
| 51 | Out(""" |
| 52 | if (v == Py_None) { *p_itself = NULL; return 1; } |
| 53 | if (PyInt_Check(v)) { *p_itself = (WindowPtr)PyInt_AsLong(v); return 1; } |
| 54 | """) |
| 55 | |
| 56 | # From here on it's basically all boiler plate... |
| 57 | |
| 58 | # Create the generator groups and link them |
| 59 | module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff) |
| 60 | ##object = MyObjectDefinition(OBJECTNAME, OBJECTPREFIX, OBJECTTYPE) |
| 61 | ##module.addobject(object) |
| 62 | |
| 63 | # Create the generator classes used to populate the lists |
| 64 | Function = OSErrFunctionGenerator |
| 65 | ##Method = OSErrMethodGenerator |
| 66 | |
| 67 | # Create and populate the lists |
| 68 | functions = [] |
| 69 | ##methods = [] |
| 70 | execfile(INPUTFILE) |
| 71 | |
| 72 | # add the populated lists to the generator groups |
| 73 | # (in a different wordl the scan program would generate this) |
| 74 | for f in functions: module.add(f) |
| 75 | ##for f in methods: object.add(f) |
| 76 | |
| 77 | # generate output (open the output file as late as possible) |
| 78 | SetOutputFileName(OUTPUTFILE) |
| 79 | module.generate() |
Guido van Rossum | e26c263 | 1995-02-28 09:11:41 +0000 | [diff] [blame] | 80 | |