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