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Annotation of gcc/bi-opcode.c, revision 1.1.1.2

1.1       root        1: /* Utility to generate opcode list from bytecode definition.
1.1.1.2 ! root        2:    Copyright (C) 1993, 1994 Free Software Foundation, Inc.
1.1       root        3: 
                      4: This file is part of GNU CC.
                      5: 
                      6: GNU CC is free software; you can redistribute it and/or modify
                      7: it under the terms of the GNU General Public License as published by
                      8: the Free Software Foundation; either version 2, or (at your option)
                      9: any later version.
                     10: 
                     11: GNU CC is distributed in the hope that it will be useful,
                     12: but WITHOUT ANY WARRANTY; without even the implied warranty of
                     13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     14: GNU General Public License for more details.
                     15: 
                     16: You should have received a copy of the GNU General Public License
                     17: along with GNU CC; see the file COPYING.  If not, write to
                     18: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
                     19: 
                     20: #include <stdio.h>
                     21: #include "hconfig.h"
                     22: #include "bi-defs.h"
                     23: 
                     24: int
                     25: main(argc, argv)
                     26:      int argc;
                     27:      char **argv;
                     28: {
                     29:   struct def *d;
                     30:   struct variation *v;
                     31:   int i;
                     32: 
                     33:   yyparse();
                     34:   reverse();
                     35: 
                     36: 
1.1.1.2 ! root       37:   printf ("/* This file is automatically generated from bytecode.def,\n");
        !            38:   printf ("do not make any changes here. Instead edit bytecode.def.  */\n\n");
        !            39:   printf ("enum bytecode_opcode\n{");
1.1       root       40: 
                     41:   i = 0;
                     42:   for (d = defs; d; d = d->next)
                     43:     for (v = d->variations; v; v = v->next)
1.1.1.2 ! root       44:       {
        !            45:        printf ("  %s%s,\n", d->basename, v->name);
        !            46:        ++i;
        !            47:       }
1.1       root       48: 
                     49:   puts ("  LAST_AND_UNUSED_OPCODE\n};");
                     50: 
                     51:   if (i > 256)
                     52:     fprintf (stderr, "%s: warning, number of opcodes is %d\n", *argv, i);
                     53:   else
                     54:     fprintf (stderr, "(Number of opcodes is %d)\n", i);
                     55: 
                     56:   fflush (stdout);
                     57:   exit (ferror (stdout) != 0 ? FATAL_EXIT_CODE : SUCCESS_EXIT_CODE);
                     58:   /* NOTREACHED */
                     59:   return 0;
                     60: }
                     61: 
                     62: /* Safely allocate NBYTES bytes of memory. Returns pointer to block of
                     63:    memory. */
                     64: char *
                     65: xmalloc (nbytes)
                     66:      int nbytes;
                     67: {
                     68:   char *tmp = (char *) malloc (nbytes);
                     69:   
                     70:   if (!tmp)
                     71:     {
                     72:       fprintf (stderr, "can't allocate %d bytes (out of virtual memory)\n", nbytes);
                     73:       exit (FATAL_EXIT_CODE);
                     74:     }
                     75: 
                     76:   return tmp;
                     77: }

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