| # 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 = '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 |
| Handle = OpaqueByValueType("Handle", "ResObj") |
| MenuBarHandle = OpaqueByValueType("MenuBarHandle", "ResObj") |
| MenuID = Type("MenuID", "h") |
| MenuItemIndex = Type("MenuItemIndex", "h") |
| MenuCommand = Type("MenuCommand", "l") |
| MenuAttributes = Type("MenuAttributes", "l") |
| MenuItemAttributes = Type("MenuItemAttributes", "l") |
| unsigned_char = Type('unsigned char', 'b') |
| FMFontFamily = Type("FMFontFamily", "h") |
| FMFontStyle = Type("FMFontStyle", "h") |
| |
| includestuff = includestuff + """ |
| #include <Devices.h> /* Defines OpenDeskAcc in universal headers */ |
| #include <%s>""" % MACHEADERFILE + """ |
| |
| #if !ACCESSOR_CALLS_ARE_FUNCTIONS |
| #define GetMenuID(menu) ((*(menu))->menuID) |
| #define GetMenuWidth(menu) ((*(menu))->menuWidth) |
| #define GetMenuHeight(menu) ((*(menu))->menuHeight) |
| |
| #define SetMenuID(menu, id) ((*(menu))->menuID = (id)) |
| #define SetMenuWidth(menu, width) ((*(menu))->menuWidth = (width)) |
| #define SetMenuHeight(menu, height) ((*(menu))->menuHeight = (height)) |
| #endif |
| |
| #define as_Menu(h) ((MenuHandle)h) |
| #define as_Resource(h) ((Handle)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() |