tools/wrc/utils.c

   1 /*
   2  * Utility routines
   3  *
   4  * Copyright 1998 Bertho A. Stultiens
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #include <assert.h>
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #include <stdarg.h>
  28 #include <string.h>
  29 #include <assert.h>
  30 #include <ctype.h>
  31
  32 #include "wine/unicode.h"
  33 #include "wrc.h"
  34 #include "utils.h"
  35 #include "parser.h"
  36 #include "preproc.h"
  37
  38 /* #define WANT_NEAR_INDICATION */
  39
  40 static const union cptable *current_codepage;
  41
  42 #ifdef WANT_NEAR_INDICATION
  43 void make_print(char *str)
  44 {
  45         while(*str)
  46         {
  47                 if(!isprint(*str))
  48                         *str = ' ';
  49                 str++;
  50         }
  51 }
  52 #endif
  53
  54 static void generic_msg(const char *s, const char *t, const char *n, va_list ap)
  55 {
  56         fprintf(stderr, "%s:%d:%d: %s: ", input_name ? input_name : "stdin", line_number, char_number, t);
  57         vfprintf(stderr, s, ap);
  58 #ifdef WANT_NEAR_INDICATION
  59         {
  60                 char *cpy;
  61                 if(n)
  62                 {
  63                         cpy = xstrdup(n);
  64                         make_print(cpy);
  65                         fprintf(stderr, " near '%s'", cpy);
  66                         free(cpy);
  67                 }
  68         }
  69 #endif
  70         fprintf(stderr, "\n");
  71 }
  72
  73
  74 int yyerror(const char *s, ...)
  75 {
  76         va_list ap;
  77         va_start(ap, s);
  78         generic_msg(s, "Error", yytext, ap);
  79         va_end(ap);
  80         exit(1);
  81         return 1;
  82 }
  83
  84 int yywarning(const char *s, ...)
  85 {
  86         va_list ap;
  87         va_start(ap, s);
  88         generic_msg(s, "Warning", yytext, ap);
  89         va_end(ap);
  90         return 0;
  91 }
  92
  93 int pperror(const char *s, ...)
  94 {
  95         va_list ap;
  96         va_start(ap, s);
  97         generic_msg(s, "Error", pptext, ap);
  98         va_end(ap);
  99         exit(1);
 100         return 1;
 101 }
 102
 103 int ppwarning(const char *s, ...)
 104 {
 105         va_list ap;
 106         va_start(ap, s);
 107         generic_msg(s, "Warning", pptext, ap);
 108         va_end(ap);
 109         return 0;
 110 }
 111
 112
 113 void internal_error(const char *file, int line, const char *s, ...)
 114 {
 115         va_list ap;
 116         va_start(ap, s);
 117         fprintf(stderr, "Internal error (please report) %s %d: ", file, line);
 118         vfprintf(stderr, s, ap);
 119         fprintf(stderr, "\n");
 120         va_end(ap);
 121         exit(3);
 122 }
 123
 124 void error(const char *s, ...)
 125 {
 126         va_list ap;
 127         va_start(ap, s);
 128         fprintf(stderr, "Error: ");
 129         vfprintf(stderr, s, ap);
 130         fprintf(stderr, "\n");
 131         va_end(ap);
 132         exit(2);
 133 }
 134
 135 void warning(const char *s, ...)
 136 {
 137         va_list ap;
 138         va_start(ap, s);
 139         fprintf(stderr, "Warning: ");
 140         vfprintf(stderr, s, ap);
 141         fprintf(stderr, "\n");
 142         va_end(ap);
 143 }
 144
 145 void chat(const char *s, ...)
 146 {
 147         if(debuglevel & DEBUGLEVEL_CHAT)
 148         {
 149                 va_list ap;
 150                 va_start(ap, s);
 151                 fprintf(stderr, "FYI: ");
 152                 vfprintf(stderr, s, ap);
 153                 fprintf(stderr, "\n");
 154                 va_end(ap);
 155         }
 156 }
 157
 158 char *dup_basename(const char *name, const char *ext)
 159 {
 160         int namelen;
 161         int extlen = strlen(ext);
 162         char *base;
 163         char *slash;
 164
 165         if(!name)
 166                 name = "wrc.tab";
 167
 168         slash = strrchr(name, '/');
 169         if (slash)
 170                 name = slash + 1;
 171
 172         namelen = strlen(name);
 173
 174         /* +4 for later extension and +1 for '\0' */
 175         base = (char *)xmalloc(namelen +4 +1);
 176         strcpy(base, name);
 177         if(!strcasecmp(name + namelen-extlen, ext))
 178         {
 179                 base[namelen - extlen] = '\0';
 180         }
 181         return base;
 182 }
 183
 184 void *xmalloc(size_t size)
 185 {
 186     void *res;
 187
 188     assert(size > 0);
 189     res = malloc(size);
 190     if(res == NULL)
 191     {
 192         error("Virtual memory exhausted.\n");
 193     }
 194     /*
 195      * We set it to 0.
 196      * This is *paramount* because we depend on it
 197      * just about everywhere in the rest of the code.
 198      */
 199     memset(res, 0, size);
 200     return res;
 201 }
 202
 203
 204 void *xrealloc(void *p, size_t size)
 205 {
 206     void *res;
 207
 208     assert(size > 0);
 209     res = realloc(p, size);
 210     if(res == NULL)
 211     {
 212         error("Virtual memory exhausted.\n");
 213     }
 214     return res;
 215 }
 216
 217 char *xstrdup(const char *str)
 218 {
 219         char *s;
 220
 221         assert(str != NULL);
 222         s = (char *)xmalloc(strlen(str)+1);
 223         return strcpy(s, str);
 224 }
 225
 226 short *dupcstr2wstr(const char *str)
 227 {
 228         int len;
 229         WCHAR *ws;
 230
 231         if (!current_codepage) set_language( LANG_NEUTRAL, SUBLANG_NEUTRAL );
 232         len = cp_mbstowcs( current_codepage, 0, str, strlen(str), NULL, 0 );
 233         ws = xmalloc( sizeof(WCHAR) * (len + 1) );
 234         len = cp_mbstowcs( current_codepage, 0, str, strlen(str), ws, len );
 235         ws[len] = 0;
 236         return ws;
 237 }
 238
 239 char *dupwstr2cstr(const short *str)
 240 {
 241         int len;
 242         char *cs;
 243
 244         if (!current_codepage) set_language( LANG_NEUTRAL, SUBLANG_NEUTRAL );
 245         len = cp_wcstombs( current_codepage, 0, str, strlenW(str), NULL, 0, NULL, NULL );
 246         cs = xmalloc( len + 1 );
 247         len = cp_wcstombs( current_codepage, 0, str, strlenW(str),  cs, len, NULL, NULL );
 248         cs[len] = 0;
 249         return cs;
 250 }
 251
 252 /*
 253  *****************************************************************************
 254  * Function     : compare_name_id
 255  * Syntax       : int compare_name_id(name_id_t *n1, name_id_t *n2)
 256  * Input        :
 257  * Output       :
 258  * Description  :
 259  * Remarks      :
 260  *****************************************************************************
 261 */
 262 int compare_name_id(name_id_t *n1, name_id_t *n2)
 263 {
 264         if(n1->type == name_ord && n2->type == name_ord)
 265         {
 266                 return n1->name.i_name - n2->name.i_name;
 267         }
 268         else if(n1->type == name_str && n2->type == name_str)
 269         {
 270                 if(n1->name.s_name->type == str_char
 271                 && n2->name.s_name->type == str_char)
 272                 {
 273                         return strcasecmp(n1->name.s_name->str.cstr, n2->name.s_name->str.cstr);
 274                 }
 275                 else if(n1->name.s_name->type == str_unicode
 276                 && n2->name.s_name->type == str_unicode)
 277                 {
 278                         return strcmpiW(n1->name.s_name->str.wstr, n2->name.s_name->str.wstr);
 279                 }
 280                 else
 281                 {
 282                         internal_error(__FILE__, __LINE__, "Can't yet compare strings of mixed type");
 283                 }
 284         }
 285         else if(n1->type == name_ord && n2->type == name_str)
 286                 return 1;
 287         else if(n1->type == name_str && n2->type == name_ord)
 288                 return -1;
 289         else
 290                 internal_error(__FILE__, __LINE__, "Comparing name-ids with unknown types (%d, %d)",
 291                                 n1->type, n2->type);
 292
 293         return 0; /* Keep the compiler happy */
 294 }
 295
 296 string_t *convert_string(const string_t *str, enum str_e type)
 297 {
 298         string_t *ret = xmalloc(sizeof(*ret));
 299
 300         if((str->type == str_char) && (type == str_unicode))
 301         {
 302                 ret->str.wstr = dupcstr2wstr(str->str.cstr);
 303                 ret->type     = str_unicode;
 304                 ret->size     = strlenW(ret->str.wstr);
 305         }
 306         else if((str->type == str_unicode) && (type == str_char))
 307         {
 308                 ret->str.cstr = dupwstr2cstr(str->str.wstr);
 309                 ret->type     = str_char;
 310                 ret->size     = strlen(ret->str.cstr);
 311         }
 312         else if(str->type == str_unicode)
 313         {
 314                 ret->type     = str_unicode;
 315                 ret->size     = strlenW(str->str.wstr);
 316                 ret->str.wstr = xmalloc(sizeof(WCHAR)*(ret->size+1));
 317                 strcpyW(ret->str.wstr, str->str.wstr);
 318         }
 319         else /* str->type == str_char */
 320         {
 321                 ret->type     = str_char;
 322                 ret->size     = strlen(str->str.cstr);
 323                 ret->str.cstr = xmalloc( ret->size + 1 );
 324                 strcpy(ret->str.cstr, str->str.cstr);
 325         }
 326         return ret;
 327 }
 328
 329
 330 struct lang2cp
 331 {
 332     unsigned short lang;
 333     unsigned short sublang;
 334     unsigned int   cp;
 335 } lang2cp_t;
 336
 337 /* language to codepage conversion table */
 338 /* specific sublanguages need only be specified if their codepage */
 339 /* differs from the default (SUBLANG_NEUTRAL) */
 340 static const struct lang2cp lang2cps[] =
 341 {
 342     { LANG_AFRIKAANS,      SUBLANG_NEUTRAL,              1252 },
 343     { LANG_ALBANIAN,       SUBLANG_NEUTRAL,              1250 },
 344     { LANG_ARABIC,         SUBLANG_NEUTRAL,              1256 },
 345     { LANG_BASQUE,         SUBLANG_NEUTRAL,              1252 },
 346     { LANG_BRETON,         SUBLANG_NEUTRAL,              1252 },
 347     { LANG_BULGARIAN,      SUBLANG_NEUTRAL,              1251 },
 348     { LANG_BYELORUSSIAN,   SUBLANG_NEUTRAL,              1251 },
 349     { LANG_CATALAN,        SUBLANG_NEUTRAL,              1252 },
 350     { LANG_CHINESE,        SUBLANG_NEUTRAL,              936  },
 351     { LANG_CORNISH,        SUBLANG_NEUTRAL,              1252 },
 352     { LANG_CZECH,          SUBLANG_NEUTRAL,              1250 },
 353     { LANG_DANISH,         SUBLANG_NEUTRAL,              1252 },
 354     { LANG_DUTCH,          SUBLANG_NEUTRAL,              1252 },
 355     { LANG_ENGLISH,        SUBLANG_NEUTRAL,              1252 },
 356     { LANG_ESPERANTO,      SUBLANG_NEUTRAL,              1252 },
 357     { LANG_ESTONIAN,       SUBLANG_NEUTRAL,              1257 },
 358     { LANG_FAEROESE,       SUBLANG_NEUTRAL,              1252 },
 359     { LANG_FINNISH,        SUBLANG_NEUTRAL,              1252 },
 360     { LANG_FRENCH,         SUBLANG_NEUTRAL,              1252 },
 361     { LANG_GAELIC,         SUBLANG_NEUTRAL,              1252 },
 362     { LANG_GERMAN,         SUBLANG_NEUTRAL,              1252 },
 363     { LANG_GREEK,          SUBLANG_NEUTRAL,              1253 },
 364     { LANG_HEBREW,         SUBLANG_NEUTRAL,              1255 },
 365     { LANG_HUNGARIAN,      SUBLANG_NEUTRAL,              1250 },
 366     { LANG_ICELANDIC,      SUBLANG_NEUTRAL,              1252 },
 367     { LANG_INDONESIAN,     SUBLANG_NEUTRAL,              1252 },
 368     { LANG_ITALIAN,        SUBLANG_NEUTRAL,              1252 },
 369     { LANG_JAPANESE,       SUBLANG_NEUTRAL,              932  },
 370     { LANG_KOREAN,         SUBLANG_NEUTRAL,              949  },
 371     { LANG_LATVIAN,        SUBLANG_NEUTRAL,              1257 },
 372     { LANG_LITHUANIAN,     SUBLANG_NEUTRAL,              1257 },
 373     { LANG_MACEDONIAN,     SUBLANG_NEUTRAL,              1251 },
 374     { LANG_MALAY,          SUBLANG_NEUTRAL,              1252 },
 375     { LANG_NEUTRAL,        SUBLANG_NEUTRAL,              1252 },
 376     { LANG_NORWEGIAN,      SUBLANG_NEUTRAL,              1252 },
 377     { LANG_POLISH,         SUBLANG_NEUTRAL,              1250 },
 378     { LANG_PORTUGUESE,     SUBLANG_NEUTRAL,              1252 },
 379     { LANG_ROMANIAN,       SUBLANG_NEUTRAL,              1250 },
 380     { LANG_RUSSIAN,        SUBLANG_NEUTRAL,              1251 },
 381     { LANG_SERBO_CROATIAN, SUBLANG_NEUTRAL,              1250 },
 382     { LANG_SERBO_CROATIAN, SUBLANG_SERBIAN,              1251 },
 383     { LANG_SLOVAK,         SUBLANG_NEUTRAL,              1250 },
 384     { LANG_SLOVENIAN,      SUBLANG_NEUTRAL,              1250 },
 385     { LANG_SPANISH,        SUBLANG_NEUTRAL,              1252 },
 386     { LANG_SWEDISH,        SUBLANG_NEUTRAL,              1252 },
 387     { LANG_THAI,           SUBLANG_NEUTRAL,              874  },
 388     { LANG_TURKISH,        SUBLANG_NEUTRAL,              1254 },
 389     { LANG_UKRAINIAN,      SUBLANG_NEUTRAL,              1251 },
 390     { LANG_VIETNAMESE,     SUBLANG_NEUTRAL,              1258 },
 391     { LANG_WALON,          SUBLANG_NEUTRAL,              1252 },
 392     { LANG_WELSH,          SUBLANG_NEUTRAL,              1252 }
 393 };
 394
 395 void set_language( unsigned short lang, unsigned short sublang )
 396 {
 397     unsigned int i;
 398     unsigned int cp = 0, defcp = 0;
 399
 400     for (i = 0; i < sizeof(lang2cps)/sizeof(lang2cps[0]); i++)
 401     {
 402         if (lang2cps[i].lang != lang) continue;
 403         if (lang2cps[i].sublang == sublang)
 404         {
 405             cp = lang2cps[i].cp;
 406             break;
 407         }
 408         if (lang2cps[i].sublang == SUBLANG_NEUTRAL) defcp = lang2cps[i].cp;
 409     }
 410
 411     if (!cp) cp = defcp;
 412     if (!cp)
 413         error( "No codepage value for language %04x", MAKELANGID(lang,sublang) );
 414     if (!(current_codepage = cp_get_table( cp )))
 415         error( "Bad codepage %d for language %04x", cp, MAKELANGID(lang,sublang) );
 416 }