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