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96cebde909
some of the more compilcated cases (CF, Res) haven't been done yet. Also, various types should inherit from each other (anything with an as_Resource method should be a Resource subtype, the CF types should become one family).
125 lines
3.9 KiB
Python
125 lines
3.9 KiB
Python
# This script generates a Python interface for an Apple Macintosh Manager.
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# It uses the "bgen" package to generate C code.
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# The function specifications are generated by scanning the mamager's header file,
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# using the "scantools" package (customized for this particular manager).
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import string
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# Declarations that change for each manager
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MACHEADERFILE = 'Menus.h' # The Apple header file
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MODNAME = '_Menu' # The name of the module
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OBJECTNAME = 'Menu' # The basic name of the objects used here
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# The following is *usually* unchanged but may still require tuning
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MODPREFIX = 'Menu' # The prefix for module-wide routines
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OBJECTTYPE = OBJECTNAME + 'Handle' # The C type used to represent them
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OBJECTPREFIX = MODPREFIX + 'Obj' # The prefix for object methods
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INPUTFILE = string.lower(MODPREFIX) + 'gen.py' # The file generated by the scanner
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EXTRAFILE = string.lower(MODPREFIX) + 'edit.py' # A similar file but hand-made
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OUTPUTFILE = MODNAME + "module.c" # The file generated by this program
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from macsupport import *
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# Create the type objects
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MenuHandle = OpaqueByValueType(OBJECTTYPE, OBJECTPREFIX)
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MenuRef = MenuHandle
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OptMenuRef = OpaqueByValueType(OBJECTTYPE, "Opt" + OBJECTPREFIX)
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Handle = OpaqueByValueType("Handle", "ResObj")
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MenuBarHandle = OpaqueByValueType("MenuBarHandle", "ResObj")
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MenuID = Type("MenuID", "h")
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MenuItemIndex = Type("MenuItemIndex", "h")
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MenuItemID = Type("MenuItemID", "l")
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MenuCommand = Type("MenuCommand", "l")
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MenuAttributes = Type("MenuAttributes", "l")
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MenuItemAttributes = Type("MenuItemAttributes", "l")
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unsigned_char = Type('unsigned char', 'b')
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FMFontFamily = Type("FMFontFamily", "h")
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FMFontStyle = Type("FMFontStyle", "h")
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UniChar = Type("UniChar", "h")
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includestuff = includestuff + """
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#ifdef WITHOUT_FRAMEWORKS
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#include <Devices.h> /* Defines OpenDeskAcc in universal headers */
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#include <Menus.h>
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#else
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#include <Carbon/Carbon.h>
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#endif
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#ifdef USE_TOOLBOX_OBJECT_GLUE
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extern PyObject *_MenuObj_New(MenuHandle);
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extern int _MenuObj_Convert(PyObject *, MenuHandle *);
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#define MenuObj_New _MenuObj_New
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#define MenuObj_Convert _MenuObj_Convert
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#endif
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#if !ACCESSOR_CALLS_ARE_FUNCTIONS
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#define GetMenuID(menu) ((*(menu))->menuID)
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#define GetMenuWidth(menu) ((*(menu))->menuWidth)
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#define GetMenuHeight(menu) ((*(menu))->menuHeight)
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#define SetMenuID(menu, id) ((*(menu))->menuID = (id))
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#define SetMenuWidth(menu, width) ((*(menu))->menuWidth = (width))
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#define SetMenuHeight(menu, height) ((*(menu))->menuHeight = (height))
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#endif
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#define as_Menu(h) ((MenuHandle)h)
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#define as_Resource(h) ((Handle)h)
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/* Alternative version of MenuObj_New, which returns None for NULL argument */
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PyObject *OptMenuObj_New(MenuRef itself)
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{
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if (itself == NULL) {
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Py_INCREF(Py_None);
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return Py_None;
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}
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return MenuObj_New(itself);
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}
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/* Alternative version of MenuObj_Convert, which returns NULL for a None argument */
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int OptMenuObj_Convert(PyObject *v, MenuRef *p_itself)
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{
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PyObject *tmp;
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if ( v == Py_None ) {
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*p_itself = NULL;
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return 1;
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}
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return MenuObj_Convert(v, p_itself);
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}
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"""
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initstuff = initstuff + """
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PyMac_INIT_TOOLBOX_OBJECT_NEW(MenuHandle, MenuObj_New);
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PyMac_INIT_TOOLBOX_OBJECT_CONVERT(MenuHandle, MenuObj_Convert);
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"""
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class MyObjectDefinition(PEP253Mixin, GlobalObjectDefinition):
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pass
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# Create the generator groups and link them
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module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff)
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object = MyObjectDefinition(OBJECTNAME, OBJECTPREFIX, OBJECTTYPE)
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module.addobject(object)
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# Create the generator classes used to populate the lists
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Function = OSErrWeakLinkFunctionGenerator
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Method = OSErrWeakLinkMethodGenerator
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# Create and populate the lists
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functions = []
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methods = []
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execfile(INPUTFILE)
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execfile(EXTRAFILE)
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# add the populated lists to the generator groups
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for f in functions: module.add(f)
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for f in methods: object.add(f)
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# generate output (open the output file as late as possible)
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SetOutputFileName(OUTPUTFILE)
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module.generate()
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