src/glsl/apps/tokenise.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    struct sl_pp_token_info *tokens;
  45    FILE *out;
  46    unsigned int i;
  47
  48    if (argc != 3) {
  49       printf("Usage: tokenize infile outfile\n");
  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    assert(size != -1);
  61    fseek(in, 0, SEEK_SET);
  62
  63    out = fopen(argv[2], "wb");
  64    if (!out) {
  65       fclose(in);
  66       return 1;
  67    }
  68
  69    inbuf = malloc(size + 1);
  70    if (!inbuf) {
  71       fprintf(out, "$OOMERROR\n");
  72
  73       fclose(out);
  74       fclose(in);
  75       return 1;
  76    }
  77
  78    if (fread(inbuf, 1, size, in) != size) {
  79       fprintf(out, "$READERROR\n");
  80
  81       free(inbuf);
  82       fclose(out);
  83       fclose(in);
  84       return 1;
  85    }
  86    inbuf[size] = '\0';
  87
  88    fclose(in);
  89
  90    memset(&options, 0, sizeof(options));
  91
  92    context = sl_pp_context_create(inbuf, &options);
  93    if (!context) {
  94       fprintf(out, "$CONTEXERROR\n");
  95
  96       free(inbuf);
  97       fclose(out);
  98       return 1;
  99    }
 100
 101    if (sl_pp_tokenise(context, &tokens)) {
 102       fprintf(out, "$ERROR: `%s'\n", sl_pp_context_error_message(context));
 103
 104       sl_pp_context_destroy(context);
 105       free(inbuf);
 106       fclose(out);
 107       return 1;
 108    }
 109
 110    free(inbuf);
 111
 112    for (i = 0; tokens[i].token != SL_PP_EOF; i++) {
 113       switch (tokens[i].token) {
 114       case SL_PP_WHITESPACE:
 115          break;
 116
 117       case SL_PP_NEWLINE:
 118          fprintf(out, "\n");
 119          break;
 120
 121       case SL_PP_HASH:
 122          fprintf(out, "# ");
 123          break;
 124
 125       case SL_PP_COMMA:
 126          fprintf(out, ", ");
 127          break;
 128
 129       case SL_PP_SEMICOLON:
 130          fprintf(out, "; ");
 131          break;
 132
 133       case SL_PP_LBRACE:
 134          fprintf(out, "{ ");
 135          break;
 136
 137       case SL_PP_RBRACE:
 138          fprintf(out, "} ");
 139          break;
 140
 141       case SL_PP_LPAREN:
 142          fprintf(out, "( ");
 143          break;
 144
 145       case SL_PP_RPAREN:
 146          fprintf(out, ") ");
 147          break;
 148
 149       case SL_PP_LBRACKET:
 150          fprintf(out, "[ ");
 151          break;
 152
 153       case SL_PP_RBRACKET:
 154          fprintf(out, "] ");
 155          break;
 156
 157       case SL_PP_DOT:
 158          fprintf(out, ". ");
 159          break;
 160
 161       case SL_PP_INCREMENT:
 162          fprintf(out, "++ ");
 163          break;
 164
 165       case SL_PP_ADDASSIGN:
 166          fprintf(out, "+= ");
 167          break;
 168
 169       case SL_PP_PLUS:
 170          fprintf(out, "+ ");
 171          break;
 172
 173       case SL_PP_DECREMENT:
 174          fprintf(out, "-- ");
 175          break;
 176
 177       case SL_PP_SUBASSIGN:
 178          fprintf(out, "-= ");
 179          break;
 180
 181       case SL_PP_MINUS:
 182          fprintf(out, "- ");
 183          break;
 184
 185       case SL_PP_BITNOT:
 186          fprintf(out, "~ ");
 187          break;
 188
 189       case SL_PP_NOTEQUAL:
 190          fprintf(out, "!= ");
 191          break;
 192
 193       case SL_PP_NOT:
 194          fprintf(out, "! ");
 195          break;
 196
 197       case SL_PP_MULASSIGN:
 198          fprintf(out, "*= ");
 199          break;
 200
 201       case SL_PP_STAR:
 202          fprintf(out, "* ");
 203          break;
 204
 205       case SL_PP_DIVASSIGN:
 206          fprintf(out, "/= ");
 207          break;
 208
 209       case SL_PP_SLASH:
 210          fprintf(out, "/ ");
 211          break;
 212
 213       case SL_PP_MODASSIGN:
 214          fprintf(out, "%%= ");
 215          break;
 216
 217       case SL_PP_MODULO:
 218          fprintf(out, "%% ");
 219          break;
 220
 221       case SL_PP_LSHIFTASSIGN:
 222          fprintf(out, "<<= ");
 223          break;
 224
 225       case SL_PP_LSHIFT:
 226          fprintf(out, "<< ");
 227          break;
 228
 229       case SL_PP_LESSEQUAL:
 230          fprintf(out, "<= ");
 231          break;
 232
 233       case SL_PP_LESS:
 234          fprintf(out, "< ");
 235          break;
 236
 237       case SL_PP_RSHIFTASSIGN:
 238          fprintf(out, ">>= ");
 239          break;
 240
 241       case SL_PP_RSHIFT:
 242          fprintf(out, ">> ");
 243          break;
 244
 245       case SL_PP_GREATEREQUAL:
 246          fprintf(out, ">= ");
 247          break;
 248
 249       case SL_PP_GREATER:
 250          fprintf(out, "> ");
 251          break;
 252
 253       case SL_PP_EQUAL:
 254          fprintf(out, "== ");
 255          break;
 256
 257       case SL_PP_ASSIGN:
 258          fprintf(out, "= ");
 259          break;
 260
 261       case SL_PP_AND:
 262          fprintf(out, "&& ");
 263          break;
 264
 265       case SL_PP_BITANDASSIGN:
 266          fprintf(out, "&= ");
 267          break;
 268
 269       case SL_PP_BITAND:
 270          fprintf(out, "& ");
 271          break;
 272
 273       case SL_PP_XOR:
 274          fprintf(out, "^^ ");
 275          break;
 276
 277       case SL_PP_BITXORASSIGN:
 278          fprintf(out, "^= ");
 279          break;
 280
 281       case SL_PP_BITXOR:
 282          fprintf(out, "^ ");
 283          break;
 284
 285       case SL_PP_OR:
 286          fprintf(out, "|| ");
 287          break;
 288
 289       case SL_PP_BITORASSIGN:
 290          fprintf(out, "|= ");
 291          break;
 292
 293       case SL_PP_BITOR:
 294          fprintf(out, "| ");
 295          break;
 296
 297       case SL_PP_QUESTION:
 298          fprintf(out, "? ");
 299          break;
 300
 301       case SL_PP_COLON:
 302          fprintf(out, ": ");
 303          break;
 304
 305       case SL_PP_IDENTIFIER:
 306          fprintf(out, "%s ", sl_pp_context_cstr(context, tokens[i].data.identifier));
 307          break;
 308
 309       case SL_PP_UINT:
 310          fprintf(out, "(%s) ", sl_pp_context_cstr(context, tokens[i].data._uint));
 311          break;
 312
 313       case SL_PP_FLOAT:
 314          fprintf(out, "(%s) ", sl_pp_context_cstr(context, tokens[i].data._float));
 315          break;
 316
 317       case SL_PP_OTHER:
 318          if (tokens[i].data.other == '\'') {
 319             fprintf(out, "'\\'' ");
 320          } else {
 321             fprintf(out, "'%c' ", tokens[i].data.other);
 322          }
 323          break;
 324
 325       default:
 326          assert(0);
 327       }
 328    }
 329
 330    sl_pp_context_destroy(context);
 331    free(tokens);
 332    fclose(out);
 333
 334    return 0;
 335 }