Mac/Modules/fm/fmsupport.py

   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 = MODNAME                     # 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 includestuff = includestuff + """
  22 #include <%s>""" % MACHEADERFILE + """
  23
  24 /*
  25 ** Parse/generate ComponentDescriptor records
  26 */
  27 PyObject *FMRec_New(itself)
  28         FMetricRec *itself;
  29 {
  30
  31         return Py_BuildValue("O&O&O&O&O&",
  32                 PyMac_BuildFixed, itself->ascent,
  33                 PyMac_BuildFixed, itself->descent,
  34                 PyMac_BuildFixed, itself->leading,
  35                 PyMac_BuildFixed, itself->widMax,
  36                 ResObj_New, itself->wTabHandle);
  37 }
  38
  39 #if 0
  40 /* Not needed... */
  41 FMRec_Convert(v, p_itself)
  42         PyObject *v;
  43         FMetricRec *p_itself;
  44 {
  45         return PyArg_ParseTuple(v, "O&O&O&O&O&",
  46                 PyMac_GetFixed, &itself->ascent,
  47                 PyMac_GetFixed, &itself->descent,
  48                 PyMac_GetFixed, &itself->leading,
  49                 PyMac_GetFixed, &itself->widMax,
  50                 ResObj_Convert, &itself->wTabHandle);
  51 }
  52 #endif
  53
  54 """
  55
  56 FMetricRecPtr = OpaqueType('FMetricRec', 'FMRec')
  57
  58 # Create the generator groups and link them
  59 module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff)
  60
  61 # Create the generator classes used to populate the lists
  62 Function = OSErrFunctionGenerator
  63
  64 # Create and populate the lists
  65 functions = []
  66 execfile(INPUTFILE)
  67
  68 # add the populated lists to the generator groups
  69 # (in a different wordl the scan program would generate this)
  70 for f in functions: module.add(f)
  71
  72 # generate output (open the output file as late as possible)
  73 SetOutputFileName(OUTPUTFILE)
  74 module.generate()
  75