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 #include "../pp/sl_pp_purify.h"
  34 #include "../pp/sl_pp_token.h"
  35
  36
  37 int
  38 main(int argc,
  39      char *argv[])
  40 {
  41    FILE *in;
  42    long size;
  43    char *inbuf;
  44    struct sl_pp_purify_options options;
  45    struct sl_pp_context *context;
  46    unsigned int version;
  47    struct sl_pp_token_info *outtokens;
  48    FILE *out;
  49    unsigned int i;
  50
  51    if (argc != 3) {
  52       printf("Usage: process infile outfile\n");
  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    assert(size != -1);
  64    if (size == -1) {
  65       return 1;
  66    }
  67    fseek(in, 0, SEEK_SET);
  68
  69    out = fopen(argv[2], "wb");
  70    if (!out) {
  71       fclose(in);
  72       return 1;
  73    }
  74
  75    inbuf = malloc(size + 1);
  76    if (!inbuf) {
  77       fprintf(out, "$OOMERROR\n");
  78
  79       fclose(out);
  80       fclose(in);
  81       return 1;
  82    }
  83
  84    if (fread(inbuf, 1, size, in) != size) {
  85       fprintf(out, "$READERROR\n");
  86
  87       free(inbuf);
  88       fclose(out);
  89       fclose(in);
  90       return 1;
  91    }
  92    inbuf[size] = '\0';
  93
  94    fclose(in);
  95
  96    memset(&options, 0, sizeof(options));
  97
  98    context = sl_pp_context_create(inbuf, &options);
  99    if (!context) {
 100       fprintf(out, "$CONTEXERROR\n");
 101
 102       free(inbuf);
 103       fclose(out);
 104       return 1;
 105    }
 106
 107    if (sl_pp_version(context, &version)) {
 108       fprintf(out, "$ERROR: `%s'\n", sl_pp_context_error_message(context));
 109
 110       sl_pp_context_destroy(context);
 111       free(inbuf);
 112       fclose(out);
 113       return -1;
 114    }
 115
 116    if (sl_pp_context_add_extension(context, "GL_ARB_draw_buffers") ||
 117        sl_pp_context_add_extension(context, "GL_ARB_texture_rectangle")) {
 118       fprintf(out, "$ERROR: `%s'\n", sl_pp_context_error_message(context));
 119
 120       printf("Error: %s\n", sl_pp_context_error_message(context));
 121       sl_pp_context_destroy(context);
 122       free(inbuf);
 123       fclose(out);
 124       return 0;
 125    }
 126
 127    if (sl_pp_context_add_predefined(context, "__GLSL_PP_PREDEFINED_MACRO_TEST", "1")) {
 128       fprintf(out, "$ERROR: `%s'\n", sl_pp_context_error_message(context));
 129
 130       printf("Error: %s\n", sl_pp_context_error_message(context));
 131       sl_pp_context_destroy(context);
 132       free(inbuf);
 133       fclose(out);
 134       return 0;
 135    }
 136
 137    if (sl_pp_process(context, &outtokens)) {
 138       fprintf(out, "$ERROR: `%s'\n", sl_pp_context_error_message(context));
 139
 140       sl_pp_context_destroy(context);
 141       free(inbuf);
 142       fclose(out);
 143       return -1;
 144    }
 145
 146    free(inbuf);
 147
 148    for (i = 0; outtokens[i].token != SL_PP_EOF; i++) {
 149       switch (outtokens[i].token) {
 150       case SL_PP_NEWLINE:
 151          fprintf(out, "\n");
 152          break;
 153
 154       case SL_PP_COMMA:
 155          fprintf(out, ", ");
 156          break;
 157
 158       case SL_PP_SEMICOLON:
 159          fprintf(out, "; ");
 160          break;
 161
 162       case SL_PP_LBRACE:
 163          fprintf(out, "{ ");
 164          break;
 165
 166       case SL_PP_RBRACE:
 167          fprintf(out, "} ");
 168          break;
 169
 170       case SL_PP_LPAREN:
 171          fprintf(out, "( ");
 172          break;
 173
 174       case SL_PP_RPAREN:
 175          fprintf(out, ") ");
 176          break;
 177
 178       case SL_PP_LBRACKET:
 179          fprintf(out, "[ ");
 180          break;
 181
 182       case SL_PP_RBRACKET:
 183          fprintf(out, "] ");
 184          break;
 185
 186       case SL_PP_DOT:
 187          fprintf(out, ". ");
 188          break;
 189
 190       case SL_PP_INCREMENT:
 191          fprintf(out, "++ ");
 192          break;
 193
 194       case SL_PP_ADDASSIGN:
 195          fprintf(out, "+= ");
 196          break;
 197
 198       case SL_PP_PLUS:
 199          fprintf(out, "+ ");
 200          break;
 201
 202       case SL_PP_DECREMENT:
 203          fprintf(out, "-- ");
 204          break;
 205
 206       case SL_PP_SUBASSIGN:
 207          fprintf(out, "-= ");
 208          break;
 209
 210       case SL_PP_MINUS:
 211          fprintf(out, "- ");
 212          break;
 213
 214       case SL_PP_BITNOT:
 215          fprintf(out, "~ ");
 216          break;
 217
 218       case SL_PP_NOTEQUAL:
 219          fprintf(out, "!= ");
 220          break;
 221
 222       case SL_PP_NOT:
 223          fprintf(out, "! ");
 224          break;
 225
 226       case SL_PP_MULASSIGN:
 227          fprintf(out, "*= ");
 228          break;
 229
 230       case SL_PP_STAR:
 231          fprintf(out, "* ");
 232          break;
 233
 234       case SL_PP_DIVASSIGN:
 235          fprintf(out, "/= ");
 236          break;
 237
 238       case SL_PP_SLASH:
 239          fprintf(out, "/ ");
 240          break;
 241
 242       case SL_PP_MODASSIGN:
 243          fprintf(out, "%%= ");
 244          break;
 245
 246       case SL_PP_MODULO:
 247          fprintf(out, "%% ");
 248          break;
 249
 250       case SL_PP_LSHIFTASSIGN:
 251          fprintf(out, "<<= ");
 252          break;
 253
 254       case SL_PP_LSHIFT:
 255          fprintf(out, "<< ");
 256          break;
 257
 258       case SL_PP_LESSEQUAL:
 259          fprintf(out, "<= ");
 260          break;
 261
 262       case SL_PP_LESS:
 263          fprintf(out, "< ");
 264          break;
 265
 266       case SL_PP_RSHIFTASSIGN:
 267          fprintf(out, ">>= ");
 268          break;
 269
 270       case SL_PP_RSHIFT:
 271          fprintf(out, ">> ");
 272          break;
 273
 274       case SL_PP_GREATEREQUAL:
 275          fprintf(out, ">= ");
 276          break;
 277
 278       case SL_PP_GREATER:
 279          fprintf(out, "> ");
 280          break;
 281
 282       case SL_PP_EQUAL:
 283          fprintf(out, "== ");
 284          break;
 285
 286       case SL_PP_ASSIGN:
 287          fprintf(out, "= ");
 288          break;
 289
 290       case SL_PP_AND:
 291          fprintf(out, "&& ");
 292          break;
 293
 294       case SL_PP_BITANDASSIGN:
 295          fprintf(out, "&= ");
 296          break;
 297
 298       case SL_PP_BITAND:
 299          fprintf(out, "& ");
 300          break;
 301
 302       case SL_PP_XOR:
 303          fprintf(out, "^^ ");
 304          break;
 305
 306       case SL_PP_BITXORASSIGN:
 307          fprintf(out, "^= ");
 308          break;
 309
 310       case SL_PP_BITXOR:
 311          fprintf(out, "^ ");
 312          break;
 313
 314       case SL_PP_OR:
 315          fprintf(out, "|| ");
 316          break;
 317
 318       case SL_PP_BITORASSIGN:
 319          fprintf(out, "|= ");
 320          break;
 321
 322       case SL_PP_BITOR:
 323          fprintf(out, "| ");
 324          break;
 325
 326       case SL_PP_QUESTION:
 327          fprintf(out, "? ");
 328          break;
 329
 330       case SL_PP_COLON:
 331          fprintf(out, ": ");
 332          break;
 333
 334       case SL_PP_IDENTIFIER:
 335          fprintf(out, "%s ", sl_pp_context_cstr(context, outtokens[i].data.identifier));
 336          break;
 337
 338       case SL_PP_UINT:
 339          fprintf(out, "%s ", sl_pp_context_cstr(context, outtokens[i].data._uint));
 340          break;
 341
 342       case SL_PP_FLOAT:
 343          fprintf(out, "%s ", sl_pp_context_cstr(context, outtokens[i].data._float));
 344          break;
 345
 346       case SL_PP_OTHER:
 347          fprintf(out, "%c", outtokens[i].data.other);
 348          break;
 349
 350       case SL_PP_PRAGMA_OPTIMIZE:
 351          fprintf(out, "#pragma optimize(%s)", outtokens[i].data.pragma ? "on" : "off");
 352          break;
 353
 354       case SL_PP_PRAGMA_DEBUG:
 355          fprintf(out, "#pragma debug(%s)", outtokens[i].data.pragma ? "on" : "off");
 356          break;
 357
 358       case SL_PP_EXTENSION_REQUIRE:
 359          fprintf(out, "#extension %s : require", sl_pp_context_cstr(context, outtokens[i].data.extension));
 360          break;
 361
 362       case SL_PP_EXTENSION_ENABLE:
 363          fprintf(out, "#extension %s : enable", sl_pp_context_cstr(context, outtokens[i].data.extension));
 364          break;
 365
 366       case SL_PP_EXTENSION_WARN:
 367          fprintf(out, "#extension %s : warn", sl_pp_context_cstr(context, outtokens[i].data.extension));
 368          break;
 369
 370       case SL_PP_EXTENSION_DISABLE:
 371          fprintf(out, "#extension %s : disable", sl_pp_context_cstr(context, outtokens[i].data.extension));
 372          break;
 373
 374       case SL_PP_LINE:
 375          fprintf(out, "#line %u %u", outtokens[i].data.line.lineno, outtokens[i].data.line.fileno);
 376          break;
 377
 378       default:
 379          assert(0);
 380       }
 381    }
 382
 383    sl_pp_context_destroy(context);
 384    free(outtokens);
 385    fclose(out);
 386
 387    return 0;
 388 }