src/glsl/apps/tokenise.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 VMware, Inc.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #include <stdio.h>
  29 #include <stdlib.h>
  30 #include <string.h>
  31 #include <assert.h>
  32 #include "../pp/sl_pp_public.h"
  33
  34
  35 int
  36 main(int argc,
  37      char *argv[])
  38 {
  39    FILE *in;
  40    long size;
  41    char *inbuf;
  42    struct sl_pp_purify_options options;
  43    struct sl_pp_context *context;
  44    struct sl_pp_token_info *tokens;
  45    FILE *out;
  46    unsigned int i;
  47
  48    if (argc != 3) {
  49       return 1;
  50    }
  51
  52    in = fopen(argv[1], "rb");
  53    if (!in) {
  54       return 1;
  55    }
  56
  57    fseek(in, 0, SEEK_END);
  58    size = ftell(in);
  59    fseek(in, 0, SEEK_SET);
  60
  61    out = fopen(argv[2], "wb");
  62    if (!out) {
  63       fclose(in);
  64       return 1;
  65    }
  66
  67    inbuf = malloc(size + 1);
  68    if (!inbuf) {
  69       fprintf(out, "$OOMERROR\n");
  70
  71       fclose(out);
  72       fclose(in);
  73       return 1;
  74    }
  75
  76    if (fread(inbuf, 1, size, in) != size) {
  77       fprintf(out, "$READERROR\n");
  78
  79       free(inbuf);
  80       fclose(out);
  81       fclose(in);
  82       return 1;
  83    }
  84    inbuf[size] = '\0';
  85
  86    fclose(in);
  87
  88    memset(&options, 0, sizeof(options));
  89
  90    context = sl_pp_context_create(inbuf, &options);
  91    if (!context) {
  92       fprintf(out, "$CONTEXERROR\n");
  93
  94       free(inbuf);
  95       fclose(out);
  96       return 1;
  97    }
  98
  99    if (sl_pp_tokenise(context, &tokens)) {
 100       fprintf(out, "$ERROR: `%s'\n", sl_pp_context_error_message(context));
 101
 102       sl_pp_context_destroy(context);
 103       free(inbuf);
 104       fclose(out);
 105       return 1;
 106    }
 107
 108    free(inbuf);
 109
 110    for (i = 0; tokens[i].token != SL_PP_EOF; i++) {
 111       switch (tokens[i].token) {
 112       case SL_PP_WHITESPACE:
 113          break;
 114
 115       case SL_PP_NEWLINE:
 116          fprintf(out, "\n");
 117          break;
 118
 119       case SL_PP_HASH:
 120          fprintf(out, "# ");
 121          break;
 122
 123       case SL_PP_COMMA:
 124          fprintf(out, ", ");
 125          break;
 126
 127       case SL_PP_SEMICOLON:
 128          fprintf(out, "; ");
 129          break;
 130
 131       case SL_PP_LBRACE:
 132          fprintf(out, "{ ");
 133          break;
 134
 135       case SL_PP_RBRACE:
 136          fprintf(out, "} ");
 137          break;
 138
 139       case SL_PP_LPAREN:
 140          fprintf(out, "( ");
 141          break;
 142
 143       case SL_PP_RPAREN:
 144          fprintf(out, ") ");
 145          break;
 146
 147       case SL_PP_LBRACKET:
 148          fprintf(out, "[ ");
 149          break;
 150
 151       case SL_PP_RBRACKET:
 152          fprintf(out, "] ");
 153          break;
 154
 155       case SL_PP_DOT:
 156          fprintf(out, ". ");
 157          break;
 158
 159       case SL_PP_INCREMENT:
 160          fprintf(out, "++ ");
 161          break;
 162
 163       case SL_PP_ADDASSIGN:
 164          fprintf(out, "+= ");
 165          break;
 166
 167       case SL_PP_PLUS:
 168          fprintf(out, "+ ");
 169          break;
 170
 171       case SL_PP_DECREMENT:
 172          fprintf(out, "-- ");
 173          break;
 174
 175       case SL_PP_SUBASSIGN:
 176          fprintf(out, "-= ");
 177          break;
 178
 179       case SL_PP_MINUS:
 180          fprintf(out, "- ");
 181          break;
 182
 183       case SL_PP_BITNOT:
 184          fprintf(out, "~ ");
 185          break;
 186
 187       case SL_PP_NOTEQUAL:
 188          fprintf(out, "!= ");
 189          break;
 190
 191       case SL_PP_NOT:
 192          fprintf(out, "! ");
 193          break;
 194
 195       case SL_PP_MULASSIGN:
 196          fprintf(out, "*= ");
 197          break;
 198
 199       case SL_PP_STAR:
 200          fprintf(out, "* ");
 201          break;
 202
 203       case SL_PP_DIVASSIGN:
 204          fprintf(out, "/= ");
 205          break;
 206
 207       case SL_PP_SLASH:
 208          fprintf(out, "/ ");
 209          break;
 210
 211       case SL_PP_MODASSIGN:
 212          fprintf(out, "%%= ");
 213          break;
 214
 215       case SL_PP_MODULO:
 216          fprintf(out, "%% ");
 217          break;
 218
 219       case SL_PP_LSHIFTASSIGN:
 220          fprintf(out, "<<= ");
 221          break;
 222
 223       case SL_PP_LSHIFT:
 224          fprintf(out, "<< ");
 225          break;
 226
 227       case SL_PP_LESSEQUAL:
 228          fprintf(out, "<= ");
 229          break;
 230
 231       case SL_PP_LESS:
 232          fprintf(out, "< ");
 233          break;
 234
 235       case SL_PP_RSHIFTASSIGN:
 236          fprintf(out, ">>= ");
 237          break;
 238
 239       case SL_PP_RSHIFT:
 240          fprintf(out, ">> ");
 241          break;
 242
 243       case SL_PP_GREATEREQUAL:
 244          fprintf(out, ">= ");
 245          break;
 246
 247       case SL_PP_GREATER:
 248          fprintf(out, "> ");
 249          break;
 250
 251       case SL_PP_EQUAL:
 252          fprintf(out, "== ");
 253          break;
 254
 255       case SL_PP_ASSIGN:
 256          fprintf(out, "= ");
 257          break;
 258
 259       case SL_PP_AND:
 260          fprintf(out, "&& ");
 261          break;
 262
 263       case SL_PP_BITANDASSIGN:
 264          fprintf(out, "&= ");
 265          break;
 266
 267       case SL_PP_BITAND:
 268          fprintf(out, "& ");
 269          break;
 270
 271       case SL_PP_XOR:
 272          fprintf(out, "^^ ");
 273          break;
 274
 275       case SL_PP_BITXORASSIGN:
 276          fprintf(out, "^= ");
 277          break;
 278
 279       case SL_PP_BITXOR:
 280          fprintf(out, "^ ");
 281          break;
 282
 283       case SL_PP_OR:
 284          fprintf(out, "|| ");
 285          break;
 286
 287       case SL_PP_BITORASSIGN:
 288          fprintf(out, "|= ");
 289          break;
 290
 291       case SL_PP_BITOR:
 292          fprintf(out, "| ");
 293          break;
 294
 295       case SL_PP_QUESTION:
 296          fprintf(out, "? ");
 297          break;
 298
 299       case SL_PP_COLON:
 300          fprintf(out, ": ");
 301          break;
 302
 303       case SL_PP_IDENTIFIER:
 304          fprintf(out, "%s ", sl_pp_context_cstr(context, tokens[i].data.identifier));
 305          break;
 306
 307       case SL_PP_UINT:
 308          fprintf(out, "(%s) ", sl_pp_context_cstr(context, tokens[i].data._uint));
 309          break;
 310
 311       case SL_PP_FLOAT:
 312          fprintf(out, "(%s) ", sl_pp_context_cstr(context, tokens[i].data._float));
 313          break;
 314
 315       case SL_PP_OTHER:
 316          if (tokens[i].data.other == '\'') {
 317             fprintf(out, "'\\'' ");
 318          } else {
 319             fprintf(out, "'%c' ", tokens[i].data.other);
 320          }
 321          break;
 322
 323       default:
 324          assert(0);
 325       }
 326    }
 327
 328    sl_pp_context_destroy(context);
 329    free(tokens);
 330    fclose(out);
 331
 332    return 0;
 333 }