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