| # 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 |
| |
| import addpack |
| addpack.addpack(':Tools:bgen:bgen') |
| |
| # Declarations that change for each manager |
| MACHEADERFILE = 'Menus.h' # The Apple header file |
| MODNAME = 'Menu' # The name of the module |
| OBJECTNAME = 'Menu' # The basic name of the objects used here |
| |
| # The following is *usually* unchanged but may still require tuning |
| MODPREFIX = MODNAME # The prefix for module-wide routines |
| OBJECTTYPE = OBJECTNAME + 'Handle' # 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 |
| EXTRAFILE = string.lower(MODPREFIX) + 'edit.py' # A similar file but hand-made |
| OUTPUTFILE = MODNAME + "module.c" # The file generated by this program |
| |
| from macsupport import * |
| |
| # Create the type objects |
| |
| MenuHandle = OpaqueByValueType(OBJECTTYPE, OBJECTPREFIX) |
| MenuRef = MenuHandle |
| |
| unsigned_char = Type('unsigned char', 'b') |
| |
| includestuff = includestuff + """ |
| #include <Devices.h> /* Defines OpenDeskAcc in universal headers */ |
| #include <%s>""" % MACHEADERFILE + """ |
| |
| #define resNotFound -192 /* Can't include <Errors.h> because of Python's "errors.h" */ |
| """ |
| |
| class MyObjectDefinition(GlobalObjectDefinition): |
| pass |
| |
| # 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) |
| execfile(EXTRAFILE) |
| |
| # add the populated lists to the generator groups |
| 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() |