src/glsl/pp/sl_pp_error.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 <stdlib.h>
  29 #include <string.h>
  30 #include "sl_pp_context.h"
  31 #include "sl_pp_process.h"
  32 #include "sl_pp_public.h"
  33
  34
  35 void
  36 sl_pp_process_error(struct sl_pp_context *context,
  37                     const struct sl_pp_token_info *input,
  38                     unsigned int first,
  39                     unsigned int last)
  40 {
  41    unsigned int out_len = 0;
  42    unsigned int i;
  43
  44    for (i = first; i < last; i++) {
  45       const char *s = NULL;
  46       char buf[2];
  47
  48       switch (input[i].token) {
  49       case SL_PP_WHITESPACE:
  50          s = " ";
  51          break;
  52
  53       case SL_PP_NEWLINE:
  54          s = "\n";
  55          break;
  56
  57       case SL_PP_HASH:
  58          s = "#";
  59          break;
  60
  61       case SL_PP_COMMA:
  62          s = ",";
  63          break;
  64
  65       case SL_PP_SEMICOLON:
  66          s = ";";
  67          break;
  68
  69       case SL_PP_LBRACE:
  70          s = "{";
  71          break;
  72
  73       case SL_PP_RBRACE:
  74          s = "}";
  75          break;
  76
  77       case SL_PP_LPAREN:
  78          s = "(";
  79          break;
  80
  81       case SL_PP_RPAREN:
  82          s = ")";
  83          break;
  84
  85       case SL_PP_LBRACKET:
  86          s = "[";
  87          break;
  88
  89       case SL_PP_RBRACKET:
  90          s = "]";
  91          break;
  92
  93       case SL_PP_DOT:
  94          s = ".";
  95          break;
  96
  97       case SL_PP_INCREMENT:
  98          s = "++";
  99          break;
 100
 101       case SL_PP_ADDASSIGN:
 102          s = "+=";
 103          break;
 104
 105       case SL_PP_PLUS:
 106          s = "+";
 107          break;
 108
 109       case SL_PP_DECREMENT:
 110          s = "--";
 111          break;
 112
 113       case SL_PP_SUBASSIGN:
 114          s = "-=";
 115          break;
 116
 117       case SL_PP_MINUS:
 118          s = "-";
 119          break;
 120
 121       case SL_PP_BITNOT:
 122          s = "~";
 123          break;
 124
 125       case SL_PP_NOTEQUAL:
 126          s = "!=";
 127          break;
 128
 129       case SL_PP_NOT:
 130          s = "!";
 131          break;
 132
 133       case SL_PP_MULASSIGN:
 134          s = "*=";
 135          break;
 136
 137       case SL_PP_STAR:
 138          s = "*";
 139          break;
 140
 141       case SL_PP_DIVASSIGN:
 142          s = "/=";
 143          break;
 144
 145       case SL_PP_SLASH:
 146          s = "/";
 147          break;
 148
 149       case SL_PP_MODASSIGN:
 150          s = "%=";
 151          break;
 152
 153       case SL_PP_MODULO:
 154          s = "%";
 155          break;
 156
 157       case SL_PP_LSHIFTASSIGN:
 158          s = "<<=";
 159          break;
 160
 161       case SL_PP_LSHIFT:
 162          s = "<<";
 163          break;
 164
 165       case SL_PP_LESSEQUAL:
 166          s = "<=";
 167          break;
 168
 169       case SL_PP_LESS:
 170          s = "<";
 171          break;
 172
 173       case SL_PP_RSHIFTASSIGN:
 174          s = ">>=";
 175          break;
 176
 177       case SL_PP_RSHIFT:
 178          s = ">>";
 179          break;
 180
 181       case SL_PP_GREATEREQUAL:
 182          s = ">=";
 183          break;
 184
 185       case SL_PP_GREATER:
 186          s = ">";
 187          break;
 188
 189       case SL_PP_EQUAL:
 190          s = "==";
 191          break;
 192
 193       case SL_PP_ASSIGN:
 194          s = "=";
 195          break;
 196
 197       case SL_PP_AND:
 198          s = "&&";
 199          break;
 200
 201       case SL_PP_BITANDASSIGN:
 202          s = "&=";
 203          break;
 204
 205       case SL_PP_BITAND:
 206          s = "&";
 207          break;
 208
 209       case SL_PP_XOR:
 210          s = "^^";
 211          break;
 212
 213       case SL_PP_BITXORASSIGN:
 214          s = "^=";
 215          break;
 216
 217       case SL_PP_BITXOR:
 218          s = "^";
 219          break;
 220
 221       case SL_PP_OR:
 222          s = "||";
 223          break;
 224
 225       case SL_PP_BITORASSIGN:
 226          s = "|=";
 227          break;
 228
 229       case SL_PP_BITOR:
 230          s = "|";
 231          break;
 232
 233       case SL_PP_QUESTION:
 234          s = "?";
 235          break;
 236
 237       case SL_PP_COLON:
 238          s = ":";
 239          break;
 240
 241       case SL_PP_IDENTIFIER:
 242          s = sl_pp_context_cstr(context, input[i].data.identifier);
 243          break;
 244
 245       case SL_PP_UINT:
 246          s = sl_pp_context_cstr(context, input[i].data._uint);
 247          break;
 248
 249       case SL_PP_FLOAT:
 250          s = sl_pp_context_cstr(context, input[i].data._float);
 251          break;
 252
 253       case SL_PP_OTHER:
 254          buf[0] = input[i].data.other;
 255          buf[1] = '\0';
 256          s = buf;
 257          break;
 258
 259       default:
 260          strcpy(context->error_msg, "internal error");
 261          return;
 262       }
 263
 264       while (*s != '\0' && out_len < sizeof(context->error_msg) - 1) {
 265          context->error_msg[out_len++] = *s++;
 266       }
 267    }
 268
 269    context->error_msg[out_len] = '\0';
 270 }