| # 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 = 'QuickDraw.h' # The Apple header file |
| MODNAME = 'Qd' # The name of the module |
| OBJECTNAME = 'Graf' # 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 + 'Ptr' # 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 |
| |
| GrafPtr = WindowPtr |
| |
| class TextThingieClass(FixedInputBufferType): |
| def getargsCheck(self, name): |
| pass |
| |
| TextThingie = TextThingieClass(None) |
| |
| # These are temporary! |
| Fixed = long |
| RgnHandle = OpaqueByValueType("RgnHandle", "ResObj") |
| PicHandle = OpaqueByValueType("PicHandle", "ResObj") |
| PolyHandle = OpaqueByValueType("PolyHandle", "ResObj") |
| PixMapHandle = OpaqueByValueType("PixMapHandle", "ResObj") |
| PixPatHandle = OpaqueByValueType("PixPatHandle", "ResObj") |
| |
| includestuff = includestuff + """ |
| #include <%s>""" % MACHEADERFILE + """ |
| #include <Desk.h> |
| |
| #define resNotFound -192 /* Can't include <Errors.h> because of Python's "errors.h" */ |
| """ |
| |
| class MyObjectDefinition(GlobalObjectDefinition): |
| def outputCheckNewArg(self): |
| Output("if (itself == NULL) return PyMac_Error(resNotFound);") |
| def outputCheckConvertArg(self): |
| OutLbrace("if (DlgObj_Check(v))") |
| Output("*p_itself = ((WindowObject *)v)->ob_itself;") |
| Output("return 1;") |
| OutRbrace() |
| Out(""" |
| if (v == Py_None) { *p_itself = NULL; return 1; } |
| if (PyInt_Check(v)) { *p_itself = (WindowPtr)PyInt_AsLong(v); return 1; } |
| """) |
| def outputFreeIt(self, itselfname): |
| Output("DisposeWindow(%s);", itselfname) |
| |
| # From here on it's basically all boiler plate... |
| |
| # 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 |
| # (in a different wordl the scan program would generate this) |
| 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() |
| SetOutputFile() # Close it |