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 MACHEADERFILE = 'Fonts.h'               # The Apple header file

    10 MODNAME = '_Fm'                         # The name of the module

    11 

    12 # The following is *usually* unchanged but may still require tuning

    13 MODPREFIX = 'Fm'                        # The prefix for module-wide routines

    14 INPUTFILE = string.lower(MODPREFIX) + 'gen.py' # The file generated by the scanner

    15 OUTPUTFILE = MODNAME + "module.c"       # The file generated by this program

    16 

    17 from macsupport import *

    18 

    19 # Create the type objects

    20 

    21 class RevVarInputBufferType(VarInputBufferType):

    22     def passInput(self, name):

    23         return "%s__len__, %s__in__" % (name, name)

    24 

    25 TextBuffer = RevVarInputBufferType()

    26 

    27 

    28 includestuff = includestuff + """

    29 #include <Carbon/Carbon.h>

    30 

    31 

    32 /*

    33 ** Parse/generate ComponentDescriptor records

    34 */

    35 static PyObject *

    36 FMRec_New(FMetricRec *itself)

    37 {

    38 

    39         return Py_BuildValue("O&O&O&O&O&",

    40                 PyMac_BuildFixed, itself->ascent,

    41                 PyMac_BuildFixed, itself->descent,

    42                 PyMac_BuildFixed, itself->leading,

    43                 PyMac_BuildFixed, itself->widMax,

    44                 ResObj_New, itself->wTabHandle);

    45 }

    46 

    47 #if 0

    48 /* Not needed... */

    49 static int

    50 FMRec_Convert(PyObject *v, FMetricRec *p_itself)

    51 {

    52         return PyArg_ParseTuple(v, "O&O&O&O&O&",

    53                 PyMac_GetFixed, &itself->ascent,

    54                 PyMac_GetFixed, &itself->descent,

    55                 PyMac_GetFixed, &itself->leading,

    56                 PyMac_GetFixed, &itself->widMax,

    57                 ResObj_Convert, &itself->wTabHandle);

    58 }

    59 #endif

    60 

    61 """

    62 

    63 FMetricRecPtr = OpaqueType('FMetricRec', 'FMRec')

    64 

    65 # Create the generator groups and link them

    66 module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff)

    67 

    68 # Create the generator classes used to populate the lists

    69 Function = OSErrWeakLinkFunctionGenerator

    70 

    71 # Create and populate the lists

    72 functions = []

    73 execfile(INPUTFILE)

    74 

    75 # add the populated lists to the generator groups

    76 # (in a different wordl the scan program would generate this)

    77 for f in functions: module.add(f)

    78 

    79 # generate output (open the output file as late as possible)

    80 SetOutputFileName(OUTPUTFILE)

    81 module.generate()