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 #include "sl_pp_token.h"
  34
  35
  36 void
  37 sl_pp_process_error(struct sl_pp_context *context,
  38                     const struct sl_pp_token_info *input,
  39                     unsigned int first,
  40                     unsigned int last)
  41 {
  42    unsigned int out_len = 0;
  43    unsigned int i;
  44
  45    for (i = first; i < last; i++) {
  46       const char *s = NULL;
  47       char buf[2];
  48
  49       switch (input[i].token) {
  50       case SL_PP_WHITESPACE:
  51          s = " ";
  52          break;
  53
  54       case SL_PP_NEWLINE:
  55          s = "\n";
  56          break;
  57
  58       case SL_PP_HASH:
  59          s = "#";
  60          break;
  61
  62       case SL_PP_COMMA:
  63          s = ",";
  64          break;
  65
  66       case SL_PP_SEMICOLON:
  67          s = ";";
  68          break;
  69
  70       case SL_PP_LBRACE:
  71          s = "{";
  72          break;
  73
  74       case SL_PP_RBRACE:
  75          s = "}";
  76          break;
  77
  78       case SL_PP_LPAREN:
  79          s = "(";
  80          break;
  81
  82       case SL_PP_RPAREN:
  83          s = ")";
  84          break;
  85
  86       case SL_PP_LBRACKET:
  87          s = "[";
  88          break;
  89
  90       case SL_PP_RBRACKET:
  91          s = "]";
  92          break;
  93
  94       case SL_PP_DOT:
  95          s = ".";
  96          break;
  97
  98       case SL_PP_INCREMENT:
  99          s = "++";
 100          break;
 101
 102       case SL_PP_ADDASSIGN:
 103          s = "+=";
 104          break;
 105
 106       case SL_PP_PLUS:
 107          s = "+";
 108          break;
 109
 110       case SL_PP_DECREMENT:
 111          s = "--";
 112          break;
 113
 114       case SL_PP_SUBASSIGN:
 115          s = "-=";
 116          break;
 117
 118       case SL_PP_MINUS:
 119          s = "-";
 120          break;
 121
 122       case SL_PP_BITNOT:
 123          s = "~";
 124          break;
 125
 126       case SL_PP_NOTEQUAL:
 127          s = "!=";
 128          break;
 129
 130       case SL_PP_NOT:
 131          s = "!";
 132          break;
 133
 134       case SL_PP_MULASSIGN:
 135          s = "*=";
 136          break;
 137
 138       case SL_PP_STAR:
 139          s = "*";
 140          break;
 141
 142       case SL_PP_DIVASSIGN:
 143          s = "/=";
 144          break;
 145
 146       case SL_PP_SLASH:
 147          s = "/";
 148          break;
 149
 150       case SL_PP_MODASSIGN:
 151          s = "%=";
 152          break;
 153
 154       case SL_PP_MODULO:
 155          s = "%";
 156          break;
 157
 158       case SL_PP_LSHIFTASSIGN:
 159          s = "<<=";
 160          break;
 161
 162       case SL_PP_LSHIFT:
 163          s = "<<";
 164          break;
 165
 166       case SL_PP_LESSEQUAL:
 167          s = "<=";
 168          break;
 169
 170       case SL_PP_LESS:
 171          s = "<";
 172          break;
 173
 174       case SL_PP_RSHIFTASSIGN:
 175          s = ">>=";
 176          break;
 177
 178       case SL_PP_RSHIFT:
 179          s = ">>";
 180          break;
 181
 182       case SL_PP_GREATEREQUAL:
 183          s = ">=";
 184          break;
 185
 186       case SL_PP_GREATER:
 187          s = ">";
 188          break;
 189
 190       case SL_PP_EQUAL:
 191          s = "==";
 192          break;
 193
 194       case SL_PP_ASSIGN:
 195          s = "=";
 196          break;
 197
 198       case SL_PP_AND:
 199          s = "&&";
 200          break;
 201
 202       case SL_PP_BITANDASSIGN:
 203          s = "&=";
 204          break;
 205
 206       case SL_PP_BITAND:
 207          s = "&";
 208          break;
 209
 210       case SL_PP_XOR:
 211          s = "^^";
 212          break;
 213
 214       case SL_PP_BITXORASSIGN:
 215          s = "^=";
 216          break;
 217
 218       case SL_PP_BITXOR:
 219          s = "^";
 220          break;
 221
 222       case SL_PP_OR:
 223          s = "||";
 224          break;
 225
 226       case SL_PP_BITORASSIGN:
 227          s = "|=";
 228          break;
 229
 230       case SL_PP_BITOR:
 231          s = "|";
 232          break;
 233
 234       case SL_PP_QUESTION:
 235          s = "?";
 236          break;
 237
 238       case SL_PP_COLON:
 239          s = ":";
 240          break;
 241
 242       case SL_PP_IDENTIFIER:
 243          s = sl_pp_context_cstr(context, input[i].data.identifier);
 244          break;
 245
 246       case SL_PP_UINT:
 247          s = sl_pp_context_cstr(context, input[i].data._uint);
 248          break;
 249
 250       case SL_PP_FLOAT:
 251          s = sl_pp_context_cstr(context, input[i].data._float);
 252          break;
 253
 254       case SL_PP_OTHER:
 255          buf[0] = input[i].data.other;
 256          buf[1] = '\0';
 257          s = buf;
 258          break;
 259
 260       default:
 261          strcpy(context->error_msg, "internal error");
 262          return;
 263       }
 264
 265       while (*s != '\0' && out_len < sizeof(context->error_msg) - 1) {
 266          context->error_msg[out_len++] = *s++;
 267       }
 268    }
 269
 270    context->error_msg[out_len] = '\0';
 271 }