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