Mac/Python/macapplication.c

   1 /***********************************************************
   2 Copyright 1991-1997 by Stichting Mathematisch Centrum, Amsterdam,
   3 The Netherlands.
   4
   5                         All Rights Reserved
   6
   7 Permission to use, copy, modify, and distribute this software and its
   8 documentation for any purpose and without fee is hereby granted,
   9 provided that the above copyright notice appear in all copies and that
  10 both that copyright notice and this permission notice appear in
  11 supporting documentation, and that the names of Stichting Mathematisch
  12 Centrum or CWI not be used in advertising or publicity pertaining to
  13 distribution of the software without specific, written prior permission.
  14
  15 STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
  16 THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
  17 FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
  18 FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  19 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  20 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
  21 OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  22
  23 ******************************************************************/
  24
  25 /* Macintosh Python main program for both applets and interpreter */
  26
  27 #include <Resources.h>
  28 #include <CodeFragments.h>
  29
  30 extern void PyMac_InitApplication(void);
  31 #ifdef USE_MAC_APPLET_SUPPORT
  32 extern void PyMac_InitApplet(void);
  33 #endif /* USE_MAC_APPLET_SUPPORT */
  34
  35 /* From the MSL runtime: */
  36 extern void __initialize(void);
  37
  38 /*
  39 ** Alternative initialization entry point for some very special cases.
  40 ** Use this in stead of __initialize in the PEF settings to remember (and
  41 ** re-open as resource file) the application. This is needed if we link against
  42 ** a dynamic library that, in its own __initialize routine, opens a resource
  43 ** file. This would mess up our finding of override preferences.
  44 ** Only set this entrypoint in your apps if you notice sys.path or some such is
  45 ** messed up.
  46 */
  47 static int application_fss_valid;
  48 static FSSpec application_fss;
  49
  50 OSErr pascal
  51 __initialize_remember_app_fsspec(CFragInitBlockPtr data)
  52 {
  53         /* Call the MW runtime's initialization routine */
  54         __initialize();
  55         if ( data == nil ) return noErr;
  56         if ( data->fragLocator.where == kDataForkCFragLocator ) {
  57                 application_fss = *data->fragLocator.u.onDisk.fileSpec;
  58                 application_fss_valid = 1;
  59         } else if ( data->fragLocator.where == kResourceCFragLocator ) {
  60                 application_fss = *data->fragLocator.u.inSegs.fileSpec;
  61                 application_fss_valid = 1;
  62         }
  63         return noErr;
  64 }
  65
  66 void
  67 main() {
  68         if ( application_fss_valid )
  69                         (void)FSpOpenResFile(&application_fss, fsRdPerm);
  70 #ifdef USE_MAC_APPLET_SUPPORT
  71         {
  72         Handle mainpyc;
  73
  74         mainpyc = Get1NamedResource('PYC ', "\p__main__");
  75         if (mainpyc != NULL)
  76                 PyMac_InitApplet();
  77         else
  78                 PyMac_InitApplication();
  79     }
  80 #else
  81         PyMac_InitApplication();
  82 #endif /* USE_MAC_APPLET_SUPPORT */
  83 }