src/glsl/apps/process.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    char errmsg[100] = "";
  45    unsigned int errline = 0;
  46    struct sl_pp_context *context;
  47    struct sl_pp_token_info *tokens;
  48    unsigned int version;
  49    unsigned int tokens_eaten;
  50    struct sl_pp_token_info *outtokens;
  51    FILE *out;
  52    unsigned int i;
  53
  54    if (argc != 3) {
  55       return 1;
  56    }
  57
  58    in = fopen(argv[1], "rb");
  59    if (!in) {
  60       return 1;
  61    }
  62
  63    fseek(in, 0, SEEK_END);
  64    size = ftell(in);
  65    fseek(in, 0, SEEK_SET);
  66
  67    out = fopen(argv[2], "wb");
  68    if (!out) {
  69       fclose(in);
  70       return 1;
  71    }
  72
  73    inbuf = malloc(size + 1);
  74    if (!inbuf) {
  75       fprintf(out, "$OOMERROR\n");
  76
  77       fclose(out);
  78       fclose(in);
  79       return 1;
  80    }
  81
  82    if (fread(inbuf, 1, size, in) != size) {
  83       fprintf(out, "$READERROR\n");
  84
  85       free(inbuf);
  86       fclose(out);
  87       fclose(in);
  88       return 1;
  89    }
  90    inbuf[size] = '\0';
  91
  92    fclose(in);
  93
  94    memset(&options, 0, sizeof(options));
  95
  96    if (sl_pp_purify(inbuf, &options, &outbuf, errmsg, sizeof(errmsg), &errline)) {
  97       fprintf(out, "$PURIFYERROR %s\n", errmsg);
  98
  99       free(inbuf);
 100       fclose(out);
 101       return 1;
 102    }
 103
 104    free(inbuf);
 105
 106    context = sl_pp_context_create();
 107    if (!context) {
 108       fprintf(out, "$CONTEXERROR\n");
 109
 110       free(outbuf);
 111       fclose(out);
 112       return 1;
 113    }
 114
 115    if (sl_pp_tokenise(context, outbuf, &tokens)) {
 116       fprintf(out, "$ERROR: `%s'\n", sl_pp_context_error_message(context));
 117
 118       sl_pp_context_destroy(context);
 119       free(outbuf);
 120       fclose(out);
 121       return 1;
 122    }
 123
 124    free(outbuf);
 125
 126    if (sl_pp_version(context, tokens, &version, &tokens_eaten)) {
 127       fprintf(out, "$ERROR: `%s'\n", sl_pp_context_error_message(context));
 128
 129       sl_pp_context_destroy(context);
 130       free(tokens);
 131       fclose(out);
 132       return -1;
 133    }
 134
 135    if (sl_pp_process(context, &tokens[tokens_eaten], &outtokens)) {
 136       fprintf(out, "$ERROR: `%s'\n", sl_pp_context_error_message(context));
 137
 138       sl_pp_context_destroy(context);
 139       free(tokens);
 140       fclose(out);
 141       return -1;
 142    }
 143
 144    free(tokens);
 145
 146    for (i = 0; outtokens[i].token != SL_PP_EOF; i++) {
 147       switch (outtokens[i].token) {
 148       case SL_PP_NEWLINE:
 149          fprintf(out, "\n");
 150          break;
 151
 152       case SL_PP_COMMA:
 153          fprintf(out, ", ");
 154          break;
 155
 156       case SL_PP_SEMICOLON:
 157          fprintf(out, "; ");
 158          break;
 159
 160       case SL_PP_LBRACE:
 161          fprintf(out, "{ ");
 162          break;
 163
 164       case SL_PP_RBRACE:
 165          fprintf(out, "} ");
 166          break;
 167
 168       case SL_PP_LPAREN:
 169          fprintf(out, "( ");
 170          break;
 171
 172       case SL_PP_RPAREN:
 173          fprintf(out, ") ");
 174          break;
 175
 176       case SL_PP_LBRACKET:
 177          fprintf(out, "[ ");
 178          break;
 179
 180       case SL_PP_RBRACKET:
 181          fprintf(out, "] ");
 182          break;
 183
 184       case SL_PP_DOT:
 185          fprintf(out, ". ");
 186          break;
 187
 188       case SL_PP_INCREMENT:
 189          fprintf(out, "++ ");
 190          break;
 191
 192       case SL_PP_ADDASSIGN:
 193          fprintf(out, "+= ");
 194          break;
 195
 196       case SL_PP_PLUS:
 197          fprintf(out, "+ ");
 198          break;
 199
 200       case SL_PP_DECREMENT:
 201          fprintf(out, "-- ");
 202          break;
 203
 204       case SL_PP_SUBASSIGN:
 205          fprintf(out, "-= ");
 206          break;
 207
 208       case SL_PP_MINUS:
 209          fprintf(out, "- ");
 210          break;
 211
 212       case SL_PP_BITNOT:
 213          fprintf(out, "~ ");
 214          break;
 215
 216       case SL_PP_NOTEQUAL:
 217          fprintf(out, "!= ");
 218          break;
 219
 220       case SL_PP_NOT:
 221          fprintf(out, "! ");
 222          break;
 223
 224       case SL_PP_MULASSIGN:
 225          fprintf(out, "*= ");
 226          break;
 227
 228       case SL_PP_STAR:
 229          fprintf(out, "* ");
 230          break;
 231
 232       case SL_PP_DIVASSIGN:
 233          fprintf(out, "/= ");
 234          break;
 235
 236       case SL_PP_SLASH:
 237          fprintf(out, "/ ");
 238          break;
 239
 240       case SL_PP_MODASSIGN:
 241          fprintf(out, "%%= ");
 242          break;
 243
 244       case SL_PP_MODULO:
 245          fprintf(out, "%% ");
 246          break;
 247
 248       case SL_PP_LSHIFTASSIGN:
 249          fprintf(out, "<<= ");
 250          break;
 251
 252       case SL_PP_LSHIFT:
 253          fprintf(out, "<< ");
 254          break;
 255
 256       case SL_PP_LESSEQUAL:
 257          fprintf(out, "<= ");
 258          break;
 259
 260       case SL_PP_LESS:
 261          fprintf(out, "< ");
 262          break;
 263
 264       case SL_PP_RSHIFTASSIGN:
 265          fprintf(out, ">>= ");
 266          break;
 267
 268       case SL_PP_RSHIFT:
 269          fprintf(out, ">> ");
 270          break;
 271
 272       case SL_PP_GREATEREQUAL:
 273          fprintf(out, ">= ");
 274          break;
 275
 276       case SL_PP_GREATER:
 277          fprintf(out, "> ");
 278          break;
 279
 280       case SL_PP_EQUAL:
 281          fprintf(out, "== ");
 282          break;
 283
 284       case SL_PP_ASSIGN:
 285          fprintf(out, "= ");
 286          break;
 287
 288       case SL_PP_AND:
 289          fprintf(out, "&& ");
 290          break;
 291
 292       case SL_PP_BITANDASSIGN:
 293          fprintf(out, "&= ");
 294          break;
 295
 296       case SL_PP_BITAND:
 297          fprintf(out, "& ");
 298          break;
 299
 300       case SL_PP_XOR:
 301          fprintf(out, "^^ ");
 302          break;
 303
 304       case SL_PP_BITXORASSIGN:
 305          fprintf(out, "^= ");
 306          break;
 307
 308       case SL_PP_BITXOR:
 309          fprintf(out, "^ ");
 310          break;
 311
 312       case SL_PP_OR:
 313          fprintf(out, "|| ");
 314          break;
 315
 316       case SL_PP_BITORASSIGN:
 317          fprintf(out, "|= ");
 318          break;
 319
 320       case SL_PP_BITOR:
 321          fprintf(out, "| ");
 322          break;
 323
 324       case SL_PP_QUESTION:
 325          fprintf(out, "? ");
 326          break;
 327
 328       case SL_PP_COLON:
 329          fprintf(out, ": ");
 330          break;
 331
 332       case SL_PP_IDENTIFIER:
 333          fprintf(out, "%s ", sl_pp_context_cstr(context, outtokens[i].data.identifier));
 334          break;
 335
 336       case SL_PP_UINT:
 337          fprintf(out, "%s ", sl_pp_context_cstr(context, outtokens[i].data._uint));
 338          break;
 339
 340       case SL_PP_FLOAT:
 341          fprintf(out, "%s ", sl_pp_context_cstr(context, outtokens[i].data._float));
 342          break;
 343
 344       case SL_PP_OTHER:
 345          fprintf(out, "%c", outtokens[i].data.other);
 346          break;
 347
 348       case SL_PP_PRAGMA_OPTIMIZE:
 349          fprintf(out, "#pragma optimize(%s)", outtokens[i].data.pragma ? "on" : "off");
 350          break;
 351
 352       case SL_PP_PRAGMA_DEBUG:
 353          fprintf(out, "#pragma debug(%s)", outtokens[i].data.pragma ? "on" : "off");
 354          break;
 355
 356       case SL_PP_EXTENSION_REQUIRE:
 357          fprintf(out, "#extension %s : require", sl_pp_context_cstr(context, outtokens[i].data.extension));
 358          break;
 359
 360       case SL_PP_EXTENSION_ENABLE:
 361          fprintf(out, "#extension %s : enable", sl_pp_context_cstr(context, outtokens[i].data.extension));
 362          break;
 363
 364       case SL_PP_EXTENSION_WARN:
 365          fprintf(out, "#extension %s : warn", sl_pp_context_cstr(context, outtokens[i].data.extension));
 366          break;
 367
 368       case SL_PP_EXTENSION_DISABLE:
 369          fprintf(out, "#extension %s : disable", sl_pp_context_cstr(context, outtokens[i].data.extension));
 370          break;
 371
 372       case SL_PP_LINE:
 373          fprintf(out, "#line %u %u", outtokens[i].data.line.lineno, outtokens[i].data.line.fileno);
 374          break;
 375
 376       default:
 377          assert(0);
 378       }
 379    }
 380
 381    sl_pp_context_destroy(context);
 382    free(outtokens);
 383    fclose(out);
 384
 385    return 0;
 386 }