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9d8b96c850
functions. Include it in stead of duplicating the declarations everywhere. Also cleaned up toolbox module exports, and got rid of resNotFound error.
140 lines
4.7 KiB
Python
140 lines
4.7 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 = 'Windows.h' # The Apple header file
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MODNAME = 'Win' # The name of the module
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OBJECTNAME = 'Window' # 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 = MODNAME # The prefix for module-wide routines
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OBJECTTYPE = OBJECTNAME + 'Ptr' # 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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EDITFILE = string.lower(MODPREFIX) + 'edit.py' # The manual definitions
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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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WindowPtr = OpaqueByValueType(OBJECTTYPE, OBJECTPREFIX)
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WindowRef = WindowPtr
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WindowPeek = OpaqueByValueType("WindowPeek", OBJECTPREFIX)
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WindowPeek.passInput = lambda name: "(WindowPeek)(%s)" % name
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CGrafPtr = OpaqueByValueType("CGrafPtr", "GrafObj")
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GrafPtr = OpaqueByValueType("GrafPtr", "GrafObj")
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RgnHandle = OpaqueByValueType("RgnHandle", "ResObj")
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PicHandle = OpaqueByValueType("PicHandle", "ResObj")
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WCTabHandle = OpaqueByValueType("WCTabHandle", "ResObj")
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AuxWinHandle = OpaqueByValueType("AuxWinHandle", "ResObj")
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PixPatHandle = OpaqueByValueType("PixPatHandle", "ResObj")
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AliasHandle = OpaqueByValueType("AliasHandle", "ResObj")
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IconRef = OpaqueByValueType("IconRef", "ResObj")
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WindowRegionCode = Type("WindowRegionCode", "H")
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WindowClass = Type("WindowClass", "l")
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WindowAttributes = Type("WindowAttributes", "l")
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WindowPositionMethod = Type("WindowPositionMethod", "l")
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WindowTransitionEffect = Type("WindowTransitionEffect", "l")
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WindowTransitionAction = Type("WindowTransitionAction", "l")
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RGBColor = OpaqueType("RGBColor", "QdRGB")
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PropertyCreator = OSTypeType("PropertyCreator")
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PropertyTag = OSTypeType("PropertyTag")
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includestuff = includestuff + """
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#include <%s>""" % MACHEADERFILE + """
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"""
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finalstuff = finalstuff + """
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/* Return the object corresponding to the window, or NULL */
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PyObject *
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WinObj_WhichWindow(w)
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WindowPtr w;
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{
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PyObject *it;
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/* XXX What if we find a stdwin window or a window belonging
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to some other package? */
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if (w == NULL)
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it = NULL;
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else
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it = (PyObject *) GetWRefCon(w);
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if (it == NULL || ((WindowObject *)it)->ob_itself != w)
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it = Py_None;
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Py_INCREF(it);
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return it;
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}
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"""
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class MyObjectDefinition(GlobalObjectDefinition):
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def outputCheckNewArg(self):
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Output("if (itself == NULL) return PyMac_Error(resNotFound);")
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def outputInitStructMembers(self):
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GlobalObjectDefinition.outputInitStructMembers(self)
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Output("SetWRefCon(itself, (long)it);")
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def outputCheckConvertArg(self):
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Output("#ifndef TARGET_API_MAC_CARBON")
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OutLbrace("if (DlgObj_Check(v))")
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Output("*p_itself = ((WindowObject *)v)->ob_itself;")
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Output("return 1;")
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OutRbrace()
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Output("#endif")
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Out("""
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if (v == Py_None) { *p_itself = NULL; return 1; }
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if (PyInt_Check(v)) { *p_itself = (WindowPtr)PyInt_AsLong(v); return 1; }
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""")
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def outputFreeIt(self, itselfname):
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Output("DisposeWindow(%s);", itselfname)
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# From here on it's basically all boiler plate...
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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 = OSErrFunctionGenerator
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Method = OSErrMethodGenerator
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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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# Add manual routines for converting integer WindowPtr's (as returned by
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# various event routines) and Dialog objects to a WindowObject.
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whichwin_body = """
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long ptr;
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if ( !PyArg_ParseTuple(_args, "i", &ptr) )
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return NULL;
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return WinObj_WhichWindow((WindowPtr)ptr);
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"""
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f = ManualGenerator("WhichWindow", whichwin_body)
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f.docstring = lambda : "Resolve an integer WindowPtr address to a Window object"
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functions.append(f)
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# And add the routines that access the internal bits of a window struct. They
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# are currently #defined in Windows.h, they will be real routines in Copland
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# (at which time this execfile can go)
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execfile(EDITFILE)
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# add the populated lists to the generator groups
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# (in a different wordl the scan program would generate this)
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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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