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      1 # This script generates a Python interface for an Apple Macintosh Manager.
      2 # It uses the "bgen" package to generate C code.
      3 # The function specifications are generated by scanning the mamager's header file,
      4 # using the "scantools" package (customized for this particular manager).
      5 
      6 import string
      7 
      8 # Declarations that change for each manager
      9 MODNAME = '_Help'                               # The name of the module
     10 OBJECTNAME = 'UNUSED'                   # The basic name of the objects used here
     11 KIND = 'Record'                         # Usually 'Ptr' or 'Handle'
     12 
     13 # The following is *usually* unchanged but may still require tuning
     14 MODPREFIX = 'Help'                      # The prefix for module-wide routines
     15 OBJECTTYPE = OBJECTNAME + KIND          # The C type used to represent them
     16 OBJECTPREFIX = MODPREFIX + 'Obj'        # The prefix for object methods
     17 INPUTFILE = string.lower(MODPREFIX) + 'gen.py' # The file generated by the scanner
     18 OUTPUTFILE = MODNAME + "module.c"       # The file generated by this program
     19 
     20 from macsupport import *
     21 
     22 # Create the type objects
     23 MenuRef = OpaqueByValueType("MenuRef", "MenuObj")
     24 MenuItemIndex = Type("MenuItemIndex", "H")
     25 
     26 #WindowPeek = OpaqueByValueType("WindowPeek", OBJECTPREFIX)
     27 
     28 #RgnHandle = FakeType("(RgnHandle)0")
     29 # XXXX Should be next, but this will break a lot of code...
     30 # RgnHandle = OpaqueByValueType("RgnHandle", "OptResObj")
     31 
     32 #KeyMap = ArrayOutputBufferType("KeyMap")
     33 ##MacOSEventKind = Type("MacOSEventKind", "h") # Old-style
     34 ##MacOSEventMask = Type("MacOSEventMask", "h") # Old-style
     35 #EventMask = Type("EventMask", "H")
     36 #EventKind = Type("EventKind", "H")
     37 
     38 includestuff = includestuff + """
     39 #include <Carbon/Carbon.h>
     40 """
     41 
     42 class MyObjectDefinition(PEP253Mixin, GlobalObjectDefinition):
     43     def outputCheckNewArg(self):
     44         Output("if (itself == NULL) return PyMac_Error(resNotFound);")
     45     def outputCheckConvertArg(self):
     46         OutLbrace("if (DlgObj_Check(v))")
     47         Output("*p_itself = ((WindowObject *)v)->ob_itself;")
     48         Output("return 1;")
     49         OutRbrace()
     50         Out("""
     51         if (v == Py_None) { *p_itself = NULL; return 1; }
     52         if (PyInt_Check(v)) { *p_itself = (WindowPtr)PyInt_AsLong(v); return 1; }
     53         """)
     54 
     55 # From here on it's basically all boiler plate...
     56 
     57 # Create the generator groups and link them
     58 module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff)
     59 ##object = MyObjectDefinition(OBJECTNAME, OBJECTPREFIX, OBJECTTYPE)
     60 ##module.addobject(object)
     61 
     62 # Create the generator classes used to populate the lists
     63 Function = OSErrFunctionGenerator
     64 ##Method = OSErrMethodGenerator
     65 
     66 # Create and populate the lists
     67 functions = []
     68 ##methods = []
     69 execfile(INPUTFILE)
     70 
     71 # add the populated lists to the generator groups
     72 # (in a different wordl the scan program would generate this)
     73 for f in functions: module.add(f)
     74 ##for f in methods: object.add(f)
     75 
     76 # generate output (open the output file as late as possible)
     77 SetOutputFileName(OUTPUTFILE)
     78 module.generate()
     79