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 = 'OSA.h'         # The Apple header file

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

    11 

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

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

    14 OBJECTPREFIX = 'OSAObj' # The prefix for object methods

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

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

    17 

    18 from macsupport import *

    19 

    20 # Create the type objects

    21 

    22 includestuff = includestuff + """

    23 #if PY_VERSION_HEX < 0x02040000

    24 PyObject *PyMac_GetOSErrException(void);

    25 #endif

    26 #include <Carbon/Carbon.h>

    27 

    28 #ifdef USE_TOOLBOX_OBJECT_GLUE

    29 extern PyObject *_OSAObj_New(ComponentInstance);

    30 extern int _OSAObj_Convert(PyObject *, ComponentInstance *);

    31 

    32 #define OSAObj_New _OSAObj_New

    33 #define OSAObj_Convert _OSAObj_Convert

    34 #endif

    35 """

    36 

    37 initstuff = initstuff + """

    38 /*

    39         PyMac_INIT_TOOLBOX_OBJECT_NEW(ComponentInstance, OSAObj_New);

    40         PyMac_INIT_TOOLBOX_OBJECT_CONVERT(ComponentInstance, OSAObj_Convert);

    41 */

    42 """

    43 

    44 ComponentInstance = OpaqueByValueType('ComponentInstance', OBJECTPREFIX)

    45 OSAError = OSErrType("OSAError", "l")

    46 # OSALocalOrGlobal = Type("OSALocalOrGlobal", "l")

    47 OSAID = Type("OSAID", "l")

    48 OSADebugCallFrameRef = Type("OSADebugCallFrameRef", "l")

    49 OSADebugSessionRef = Type("OSADebugSessionRef", "l")

    50 OSADebugStepKind = Type("OSADebugStepKind", "l")

    51 DescType = OSTypeType("DescType")

    52 AEDesc = OpaqueType('AEDesc')

    53 AEDesc_ptr = OpaqueType('AEDesc')

    54 AEAddressDesc = OpaqueType('AEAddressDesc', 'AEDesc')

    55 AEAddressDesc_ptr = OpaqueType('AEAddressDesc', 'AEDesc')

    56 AEDescList = OpaqueType('AEDescList', 'AEDesc')

    57 AEDescList_ptr = OpaqueType('AEDescList', 'AEDesc')

    58 AERecord = OpaqueType('AERecord', 'AEDesc')

    59 AERecord_ptr = OpaqueType('AERecord', 'AEDesc')

    60 AppleEvent = OpaqueType('AppleEvent', 'AEDesc')

    61 AppleEvent_ptr = OpaqueType('AppleEvent', 'AEDesc')

    62 

    63 # NOTE: at the moment OSA.ComponentInstance is not a subclass

    64 # of Cm.ComponentInstance. If this is a problem it can be fixed.

    65 class MyObjectDefinition(PEP253Mixin, GlobalObjectDefinition):

    66     def outputCheckNewArg(self):

    67         Output("""if (itself == NULL) {

    68                                 PyErr_SetString(OSA_Error,"NULL ComponentInstance");

    69                                 return NULL;

    70                         }""")

    71 

    72     def outputCheckConvertArg(self):

    73         Output("""

    74                 if (CmpInstObj_Convert(v, p_itself))

    75                         return 1;

    76                 PyErr_Clear();

    77                 """)

    78 

    79 

    80 # Create the generator groups and link them

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

    82 object = MyObjectDefinition('OSAComponentInstance', OBJECTPREFIX,

    83                 'ComponentInstance')

    84 module.addobject(object)

    85 

    86 # Create the generator classes used to populate the lists

    87 Function = OSErrWeakLinkFunctionGenerator

    88 Method = OSErrWeakLinkMethodGenerator

    89 

    90 # Test which types we are still missing.

    91 execfile(string.lower(MODPREFIX) + 'typetest.py')

    92 

    93 # Create and populate the lists

    94 functions = []

    95 methods = []

    96 execfile(INPUTFILE)

    97 

    98 # add the populated lists to the generator groups

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

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

   101 for f in methods: object.add(f)

   102 

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

   104 SetOutputFileName(OUTPUTFILE)

   105 module.generate()