1 | /* Utility to generate opcode list from bytecode definition. |
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2 | Copyright (C) 1993, 1994 Free Software Foundation, Inc. |
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3 | |
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4 | This file is part of GNU CC. |
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5 | |
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6 | GNU CC is free software; you can redistribute it and/or modify |
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7 | it under the terms of the GNU General Public License as published by |
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8 | the Free Software Foundation; either version 2, or (at your option) |
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9 | any later version. |
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10 | |
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11 | GNU CC is distributed in the hope that it will be useful, |
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12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 | GNU General Public License for more details. |
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15 | |
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16 | You should have received a copy of the GNU General Public License |
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17 | along with GNU CC; see the file COPYING. If not, write to |
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18 | the Free Software Foundation, 59 Temple Place - Suite 330, |
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19 | Boston, MA 02111-1307, USA. */ |
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20 | |
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21 | #include <stdio.h> |
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22 | #include "hconfig.h" |
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23 | #include "bi-defs.h" |
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24 | |
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25 | int |
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26 | main(argc, argv) |
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27 | int argc; |
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28 | char **argv; |
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29 | { |
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30 | struct def *d; |
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31 | struct variation *v; |
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32 | int i; |
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33 | |
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34 | yyparse(); |
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35 | reverse(); |
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36 | |
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37 | |
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38 | printf ("/* This file is automatically generated from bytecode.def,\n"); |
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39 | printf ("do not make any changes here. Instead edit bytecode.def. */\n\n"); |
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40 | printf ("enum bytecode_opcode\n{"); |
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41 | |
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42 | i = 0; |
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43 | for (d = defs; d; d = d->next) |
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44 | for (v = d->variations; v; v = v->next) |
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45 | { |
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46 | printf (" %s%s,\n", d->basename, v->name); |
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47 | ++i; |
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48 | } |
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49 | |
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50 | puts (" LAST_AND_UNUSED_OPCODE\n};"); |
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51 | |
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52 | if (i > 256) |
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53 | fprintf (stderr, "%s: warning, number of opcodes is %d\n", *argv, i); |
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54 | else |
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55 | fprintf (stderr, "(Number of opcodes is %d)\n", i); |
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56 | |
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57 | fflush (stdout); |
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58 | exit (ferror (stdout) != 0 ? FATAL_EXIT_CODE : SUCCESS_EXIT_CODE); |
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59 | /* NOTREACHED */ |
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60 | return 0; |
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61 | } |
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62 | |
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63 | /* Safely allocate NBYTES bytes of memory. Returns pointer to block of |
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64 | memory. */ |
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65 | char * |
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66 | xmalloc (nbytes) |
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67 | int nbytes; |
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68 | { |
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69 | char *tmp = (char *) malloc (nbytes); |
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70 | |
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71 | if (!tmp) |
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72 | { |
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73 | fprintf (stderr, "can't allocate %d bytes (out of virtual memory)\n", nbytes); |
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74 | exit (FATAL_EXIT_CODE); |
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75 | } |
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76 | |
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77 | return tmp; |
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78 | } |
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