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 6import string 7 8# Declarations that change for each manager 9MODNAME = '_Help' # The name of the module 10OBJECTNAME = 'UNUSED' # The basic name of the objects used here 11KIND = 'Record' # Usually 'Ptr' or 'Handle' 12 13# The following is *usually* unchanged but may still require tuning 14MODPREFIX = 'Help' # The prefix for module-wide routines 15OBJECTTYPE = OBJECTNAME + KIND # The C type used to represent them 16OBJECTPREFIX = MODPREFIX + 'Obj' # The prefix for object methods 17INPUTFILE = string.lower(MODPREFIX) + 'gen.py' # The file generated by the scanner 18OUTPUTFILE = MODNAME + "module.c" # The file generated by this program 19 20from macsupport import * 21 22# Create the type objects 23MenuRef = OpaqueByValueType("MenuRef", "MenuObj") 24MenuItemIndex = Type("MenuItemIndex", "H") 25 26#WindowPeek = OpaqueByValueType("WindowPeek", OBJECTPREFIX) 27 28#RgnHandle = FakeType("(RgnHandle)0") 29# XXXX Should be next, but this will break a lot of code... 30# RgnHandle = OpaqueByValueType("RgnHandle", "OptResObj") 31 32#KeyMap = ArrayOutputBufferType("KeyMap") 33##MacOSEventKind = Type("MacOSEventKind", "h") # Old-style 34##MacOSEventMask = Type("MacOSEventMask", "h") # Old-style 35#EventMask = Type("EventMask", "H") 36#EventKind = Type("EventKind", "H") 37 38includestuff = includestuff + """ 39#include <Carbon/Carbon.h> 40""" 41 42class MyObjectDefinition(PEP253Mixin, GlobalObjectDefinition): 43 def outputCheckNewArg(self): 44 Output("if (itself == NULL) return PyMac_Error(resNotFound);") 45 def outputCheckConvertArg(self): 46 OutLbrace("if (DlgObj_Check(v))") 47 Output("*p_itself = ((WindowObject *)v)->ob_itself;") 48 Output("return 1;") 49 OutRbrace() 50 Out(""" 51 if (v == Py_None) { *p_itself = NULL; return 1; } 52 if (PyInt_Check(v)) { *p_itself = (WindowPtr)PyInt_AsLong(v); return 1; } 53 """) 54 55# From here on it's basically all boiler plate... 56 57# Create the generator groups and link them 58module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff) 59##object = MyObjectDefinition(OBJECTNAME, OBJECTPREFIX, OBJECTTYPE) 60##module.addobject(object) 61 62# Create the generator classes used to populate the lists 63Function = OSErrFunctionGenerator 64##Method = OSErrMethodGenerator 65 66# Create and populate the lists 67functions = [] 68##methods = [] 69execfile(INPUTFILE) 70 71# add the populated lists to the generator groups 72# (in a different wordl the scan program would generate this) 73for f in functions: module.add(f) 74##for f in methods: object.add(f) 75 76# generate output (open the output file as late as possible) 77SetOutputFileName(OUTPUTFILE) 78module.generate() 79