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    char *outbuf;
  44    struct sl_pp_context *context;
  45    struct sl_pp_token_info *tokens;
  46    FILE *out;
  47    unsigned int i;
  48
  49    if (argc != 3) {
  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    fseek(in, 0, SEEK_SET);
  61
  62    out = fopen(argv[2], "wb");
  63    if (!out) {
  64       fclose(in);
  65       return 1;
  66    }
  67
  68    inbuf = malloc(size + 1);
  69    if (!inbuf) {
  70       fprintf(out, "$OOMERROR\n");
  71
  72       fclose(out);
  73       fclose(in);
  74       return 1;
  75    }
  76
  77    if (fread(inbuf, 1, size, in) != size) {
  78       fprintf(out, "$READERROR\n");
  79
  80       free(inbuf);
  81       fclose(out);
  82       fclose(in);
  83       return 1;
  84    }
  85    inbuf[size] = '\0';
  86
  87    fclose(in);
  88
  89    memset(&options, 0, sizeof(options));
  90
  91    if (sl_pp_purify(inbuf, &options, &outbuf)) {
  92       fprintf(out, "$PURIFYERROR\n");
  93
  94       free(inbuf);
  95       fclose(out);
  96       return 1;
  97    }
  98
  99    free(inbuf);
 100
 101    context = sl_pp_context_create();
 102    if (!context) {
 103       fprintf(out, "$CONTEXERROR\n");
 104
 105       free(outbuf);
 106       fclose(out);
 107       return 1;
 108    }
 109
 110    if (sl_pp_tokenise(context, outbuf, &tokens)) {
 111       fprintf(out, "$ERROR: `%s'\n", sl_pp_context_error_message(context));
 112
 113       sl_pp_context_destroy(context);
 114       free(outbuf);
 115       fclose(out);
 116       return 1;
 117    }
 118
 119    free(outbuf);
 120
 121    for (i = 0; tokens[i].token != SL_PP_EOF; i++) {
 122       switch (tokens[i].token) {
 123       case SL_PP_WHITESPACE:
 124          break;
 125
 126       case SL_PP_NEWLINE:
 127          fprintf(out, "\n");
 128          break;
 129
 130       case SL_PP_HASH:
 131          fprintf(out, "# ");
 132          break;
 133
 134       case SL_PP_COMMA:
 135          fprintf(out, ", ");
 136          break;
 137
 138       case SL_PP_SEMICOLON:
 139          fprintf(out, "; ");
 140          break;
 141
 142       case SL_PP_LBRACE:
 143          fprintf(out, "{ ");
 144          break;
 145
 146       case SL_PP_RBRACE:
 147          fprintf(out, "} ");
 148          break;
 149
 150       case SL_PP_LPAREN:
 151          fprintf(out, "( ");
 152          break;
 153
 154       case SL_PP_RPAREN:
 155          fprintf(out, ") ");
 156          break;
 157
 158       case SL_PP_LBRACKET:
 159          fprintf(out, "[ ");
 160          break;
 161
 162       case SL_PP_RBRACKET:
 163          fprintf(out, "] ");
 164          break;
 165
 166       case SL_PP_DOT:
 167          fprintf(out, ". ");
 168          break;
 169
 170       case SL_PP_INCREMENT:
 171          fprintf(out, "++ ");
 172          break;
 173
 174       case SL_PP_ADDASSIGN:
 175          fprintf(out, "+= ");
 176          break;
 177
 178       case SL_PP_PLUS:
 179          fprintf(out, "+ ");
 180          break;
 181
 182       case SL_PP_DECREMENT:
 183          fprintf(out, "-- ");
 184          break;
 185
 186       case SL_PP_SUBASSIGN:
 187          fprintf(out, "-= ");
 188          break;
 189
 190       case SL_PP_MINUS:
 191          fprintf(out, "- ");
 192          break;
 193
 194       case SL_PP_BITNOT:
 195          fprintf(out, "~ ");
 196          break;
 197
 198       case SL_PP_NOTEQUAL:
 199          fprintf(out, "!= ");
 200          break;
 201
 202       case SL_PP_NOT:
 203          fprintf(out, "! ");
 204          break;
 205
 206       case SL_PP_MULASSIGN:
 207          fprintf(out, "*= ");
 208          break;
 209
 210       case SL_PP_STAR:
 211          fprintf(out, "* ");
 212          break;
 213
 214       case SL_PP_DIVASSIGN:
 215          fprintf(out, "/= ");
 216          break;
 217
 218       case SL_PP_SLASH:
 219          fprintf(out, "/ ");
 220          break;
 221
 222       case SL_PP_MODASSIGN:
 223          fprintf(out, "%%= ");
 224          break;
 225
 226       case SL_PP_MODULO:
 227          fprintf(out, "%% ");
 228          break;
 229
 230       case SL_PP_LSHIFTASSIGN:
 231          fprintf(out, "<<= ");
 232          break;
 233
 234       case SL_PP_LSHIFT:
 235          fprintf(out, "<< ");
 236          break;
 237
 238       case SL_PP_LESSEQUAL:
 239          fprintf(out, "<= ");
 240          break;
 241
 242       case SL_PP_LESS:
 243          fprintf(out, "< ");
 244          break;
 245
 246       case SL_PP_RSHIFTASSIGN:
 247          fprintf(out, ">>= ");
 248          break;
 249
 250       case SL_PP_RSHIFT:
 251          fprintf(out, ">> ");
 252          break;
 253
 254       case SL_PP_GREATEREQUAL:
 255          fprintf(out, ">= ");
 256          break;
 257
 258       case SL_PP_GREATER:
 259          fprintf(out, "> ");
 260          break;
 261
 262       case SL_PP_EQUAL:
 263          fprintf(out, "== ");
 264          break;
 265
 266       case SL_PP_ASSIGN:
 267          fprintf(out, "= ");
 268          break;
 269
 270       case SL_PP_AND:
 271          fprintf(out, "&& ");
 272          break;
 273
 274       case SL_PP_BITANDASSIGN:
 275          fprintf(out, "&= ");
 276          break;
 277
 278       case SL_PP_BITAND:
 279          fprintf(out, "& ");
 280          break;
 281
 282       case SL_PP_XOR:
 283          fprintf(out, "^^ ");
 284          break;
 285
 286       case SL_PP_BITXORASSIGN:
 287          fprintf(out, "^= ");
 288          break;
 289
 290       case SL_PP_BITXOR:
 291          fprintf(out, "^ ");
 292          break;
 293
 294       case SL_PP_OR:
 295          fprintf(out, "|| ");
 296          break;
 297
 298       case SL_PP_BITORASSIGN:
 299          fprintf(out, "|= ");
 300          break;
 301
 302       case SL_PP_BITOR:
 303          fprintf(out, "| ");
 304          break;
 305
 306       case SL_PP_QUESTION:
 307          fprintf(out, "? ");
 308          break;
 309
 310       case SL_PP_COLON:
 311          fprintf(out, ": ");
 312          break;
 313
 314       case SL_PP_IDENTIFIER:
 315          fprintf(out, "%s ", sl_pp_context_cstr(context, tokens[i].data.identifier));
 316          break;
 317
 318       case SL_PP_UINT:
 319          fprintf(out, "(%s) ", sl_pp_context_cstr(context, tokens[i].data._uint));
 320          break;
 321
 322       case SL_PP_FLOAT:
 323          fprintf(out, "(%s) ", sl_pp_context_cstr(context, tokens[i].data._float));
 324          break;
 325
 326       case SL_PP_OTHER:
 327          if (tokens[i].data.other == '\'') {
 328             fprintf(out, "'\\'' ");
 329          } else {
 330             fprintf(out, "'%c' ", tokens[i].data.other);
 331          }
 332          break;
 333
 334       default:
 335          assert(0);
 336       }
 337    }
 338
 339    sl_pp_context_destroy(context);
 340    free(tokens);
 341    fclose(out);
 342
 343    return 0;
 344 }