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       printf("Usage: tokenize infile outfile\n");
  50       return 1;
  51    }
  52
  53    in = fopen(argv[1], "rb");
  54    if (!in) {
  55       return 1;
  56    }
  57
  58    fseek(in, 0, SEEK_END);
  59    size = ftell(in);
  60    assert(size != -1);
  61    if (size == -1) {
  62       return 1;
  63    }
  64    fseek(in, 0, SEEK_SET);
  65
  66    out = fopen(argv[2], "wb");
  67    if (!out) {
  68       fclose(in);
  69       return 1;
  70    }
  71
  72    inbuf = malloc(size + 1);
  73    if (!inbuf) {
  74       fprintf(out, "$OOMERROR\n");
  75
  76       fclose(out);
  77       fclose(in);
  78       return 1;
  79    }
  80
  81    if (fread(inbuf, 1, size, in) != size) {
  82       fprintf(out, "$READERROR\n");
  83
  84       free(inbuf);
  85       fclose(out);
  86       fclose(in);
  87       return 1;
  88    }
  89    inbuf[size] = '\0';
  90
  91    fclose(in);
  92
  93    memset(&options, 0, sizeof(options));
  94
  95    context = sl_pp_context_create(inbuf, &options);
  96    if (!context) {
  97       fprintf(out, "$CONTEXERROR\n");
  98
  99       free(inbuf);
 100       fclose(out);
 101       return 1;
 102    }
 103
 104    if (sl_pp_tokenise(context, &tokens)) {
 105       fprintf(out, "$ERROR: `%s'\n", sl_pp_context_error_message(context));
 106
 107       sl_pp_context_destroy(context);
 108       free(inbuf);
 109       fclose(out);
 110       return 1;
 111    }
 112
 113    free(inbuf);
 114
 115    for (i = 0; tokens[i].token != SL_PP_EOF; i++) {
 116       switch (tokens[i].token) {
 117       case SL_PP_WHITESPACE:
 118          break;
 119
 120       case SL_PP_NEWLINE:
 121          fprintf(out, "\n");
 122          break;
 123
 124       case SL_PP_HASH:
 125          fprintf(out, "# ");
 126          break;
 127
 128       case SL_PP_COMMA:
 129          fprintf(out, ", ");
 130          break;
 131
 132       case SL_PP_SEMICOLON:
 133          fprintf(out, "; ");
 134          break;
 135
 136       case SL_PP_LBRACE:
 137          fprintf(out, "{ ");
 138          break;
 139
 140       case SL_PP_RBRACE:
 141          fprintf(out, "} ");
 142          break;
 143
 144       case SL_PP_LPAREN:
 145          fprintf(out, "( ");
 146          break;
 147
 148       case SL_PP_RPAREN:
 149          fprintf(out, ") ");
 150          break;
 151
 152       case SL_PP_LBRACKET:
 153          fprintf(out, "[ ");
 154          break;
 155
 156       case SL_PP_RBRACKET:
 157          fprintf(out, "] ");
 158          break;
 159
 160       case SL_PP_DOT:
 161          fprintf(out, ". ");
 162          break;
 163
 164       case SL_PP_INCREMENT:
 165          fprintf(out, "++ ");
 166          break;
 167
 168       case SL_PP_ADDASSIGN:
 169          fprintf(out, "+= ");
 170          break;
 171
 172       case SL_PP_PLUS:
 173          fprintf(out, "+ ");
 174          break;
 175
 176       case SL_PP_DECREMENT:
 177          fprintf(out, "-- ");
 178          break;
 179
 180       case SL_PP_SUBASSIGN:
 181          fprintf(out, "-= ");
 182          break;
 183
 184       case SL_PP_MINUS:
 185          fprintf(out, "- ");
 186          break;
 187
 188       case SL_PP_BITNOT:
 189          fprintf(out, "~ ");
 190          break;
 191
 192       case SL_PP_NOTEQUAL:
 193          fprintf(out, "!= ");
 194          break;
 195
 196       case SL_PP_NOT:
 197          fprintf(out, "! ");
 198          break;
 199
 200       case SL_PP_MULASSIGN:
 201          fprintf(out, "*= ");
 202          break;
 203
 204       case SL_PP_STAR:
 205          fprintf(out, "* ");
 206          break;
 207
 208       case SL_PP_DIVASSIGN:
 209          fprintf(out, "/= ");
 210          break;
 211
 212       case SL_PP_SLASH:
 213          fprintf(out, "/ ");
 214          break;
 215
 216       case SL_PP_MODASSIGN:
 217          fprintf(out, "%%= ");
 218          break;
 219
 220       case SL_PP_MODULO:
 221          fprintf(out, "%% ");
 222          break;
 223
 224       case SL_PP_LSHIFTASSIGN:
 225          fprintf(out, "<<= ");
 226          break;
 227
 228       case SL_PP_LSHIFT:
 229          fprintf(out, "<< ");
 230          break;
 231
 232       case SL_PP_LESSEQUAL:
 233          fprintf(out, "<= ");
 234          break;
 235
 236       case SL_PP_LESS:
 237          fprintf(out, "< ");
 238          break;
 239
 240       case SL_PP_RSHIFTASSIGN:
 241          fprintf(out, ">>= ");
 242          break;
 243
 244       case SL_PP_RSHIFT:
 245          fprintf(out, ">> ");
 246          break;
 247
 248       case SL_PP_GREATEREQUAL:
 249          fprintf(out, ">= ");
 250          break;
 251
 252       case SL_PP_GREATER:
 253          fprintf(out, "> ");
 254          break;
 255
 256       case SL_PP_EQUAL:
 257          fprintf(out, "== ");
 258          break;
 259
 260       case SL_PP_ASSIGN:
 261          fprintf(out, "= ");
 262          break;
 263
 264       case SL_PP_AND:
 265          fprintf(out, "&& ");
 266          break;
 267
 268       case SL_PP_BITANDASSIGN:
 269          fprintf(out, "&= ");
 270          break;
 271
 272       case SL_PP_BITAND:
 273          fprintf(out, "& ");
 274          break;
 275
 276       case SL_PP_XOR:
 277          fprintf(out, "^^ ");
 278          break;
 279
 280       case SL_PP_BITXORASSIGN:
 281          fprintf(out, "^= ");
 282          break;
 283
 284       case SL_PP_BITXOR:
 285          fprintf(out, "^ ");
 286          break;
 287
 288       case SL_PP_OR:
 289          fprintf(out, "|| ");
 290          break;
 291
 292       case SL_PP_BITORASSIGN:
 293          fprintf(out, "|= ");
 294          break;
 295
 296       case SL_PP_BITOR:
 297          fprintf(out, "| ");
 298          break;
 299
 300       case SL_PP_QUESTION:
 301          fprintf(out, "? ");
 302          break;
 303
 304       case SL_PP_COLON:
 305          fprintf(out, ": ");
 306          break;
 307
 308       case SL_PP_IDENTIFIER:
 309          fprintf(out, "%s ", sl_pp_context_cstr(context, tokens[i].data.identifier));
 310          break;
 311
 312       case SL_PP_UINT:
 313          fprintf(out, "(%s) ", sl_pp_context_cstr(context, tokens[i].data._uint));
 314          break;
 315
 316       case SL_PP_FLOAT:
 317          fprintf(out, "(%s) ", sl_pp_context_cstr(context, tokens[i].data._float));
 318          break;
 319
 320       case SL_PP_OTHER:
 321          if (tokens[i].data.other == '\'') {
 322             fprintf(out, "'\\'' ");
 323          } else {
 324             fprintf(out, "'%c' ", tokens[i].data.other);
 325          }
 326          break;
 327
 328       default:
 329          assert(0);
 330       }
 331    }
 332
 333    sl_pp_context_destroy(context);
 334    free(tokens);
 335    fclose(out);
 336
 337    return 0;
 338 }