tools/wrc/utils.c

   1 /*
   2  * Utility routines
   3  *
   4  * Copyright 1998 Bertho A. Stultiens
   5  *
   6  */
   7
   8 #include "config.h"
   9
  10 #include <assert.h>
  11 #include <stdio.h>
  12 #include <stdlib.h>
  13 #include <stdarg.h>
  14 #include <string.h>
  15 #include <assert.h>
  16 #include <ctype.h>
  17
  18 #include "wine/unicode.h"
  19 #include "wrc.h"
  20 #include "utils.h"
  21 #include "parser.h"
  22 #include "preproc.h"
  23
  24 /* #define WANT_NEAR_INDICATION */
  25
  26 static const union cptable *current_codepage;
  27
  28 #ifdef WANT_NEAR_INDICATION
  29 void make_print(char *str)
  30 {
  31         while(*str)
  32         {
  33                 if(!isprint(*str))
  34                         *str = ' ';
  35                 str++;
  36         }
  37 }
  38 #endif
  39
  40 static void generic_msg(const char *s, const char *t, const char *n, va_list ap)
  41 {
  42         fprintf(stderr, "%s:%d:%d: %s: ", input_name ? input_name : "stdin", line_number, char_number, t);
  43         vfprintf(stderr, s, ap);
  44 #ifdef WANT_NEAR_INDICATION
  45         {
  46                 char *cpy;
  47                 if(n)
  48                 {
  49                         cpy = xstrdup(n);
  50                         make_print(cpy);
  51                         fprintf(stderr, " near '%s'", cpy);
  52                         free(cpy);
  53                 }
  54         }
  55 #endif
  56         fprintf(stderr, "\n");
  57 }
  58
  59
  60 int yyerror(const char *s, ...)
  61 {
  62         va_list ap;
  63         va_start(ap, s);
  64         generic_msg(s, "Error", yytext, ap);
  65         va_end(ap);
  66         exit(1);
  67         return 1;
  68 }
  69
  70 int yywarning(const char *s, ...)
  71 {
  72         va_list ap;
  73         va_start(ap, s);
  74         generic_msg(s, "Warning", yytext, ap);
  75         va_end(ap);
  76         return 0;
  77 }
  78
  79 int pperror(const char *s, ...)
  80 {
  81         va_list ap;
  82         va_start(ap, s);
  83         generic_msg(s, "Error", pptext, ap);
  84         va_end(ap);
  85         exit(1);
  86         return 1;
  87 }
  88
  89 int ppwarning(const char *s, ...)
  90 {
  91         va_list ap;
  92         va_start(ap, s);
  93         generic_msg(s, "Warning", pptext, ap);
  94         va_end(ap);
  95         return 0;
  96 }
  97
  98
  99 void internal_error(const char *file, int line, const char *s, ...)
 100 {
 101         va_list ap;
 102         va_start(ap, s);
 103         fprintf(stderr, "Internal error (please report) %s %d: ", file, line);
 104         vfprintf(stderr, s, ap);
 105         fprintf(stderr, "\n");
 106         va_end(ap);
 107         exit(3);
 108 }
 109
 110 void error(const char *s, ...)
 111 {
 112         va_list ap;
 113         va_start(ap, s);
 114         fprintf(stderr, "Error: ");
 115         vfprintf(stderr, s, ap);
 116         fprintf(stderr, "\n");
 117         va_end(ap);
 118         exit(2);
 119 }
 120
 121 void warning(const char *s, ...)
 122 {
 123         va_list ap;
 124         va_start(ap, s);
 125         fprintf(stderr, "Warning: ");
 126         vfprintf(stderr, s, ap);
 127         fprintf(stderr, "\n");
 128         va_end(ap);
 129 }
 130
 131 void chat(const char *s, ...)
 132 {
 133         if(debuglevel & DEBUGLEVEL_CHAT)
 134         {
 135                 va_list ap;
 136                 va_start(ap, s);
 137                 fprintf(stderr, "FYI: ");
 138                 vfprintf(stderr, s, ap);
 139                 fprintf(stderr, "\n");
 140                 va_end(ap);
 141         }
 142 }
 143
 144 char *dup_basename(const char *name, const char *ext)
 145 {
 146         int namelen;
 147         int extlen = strlen(ext);
 148         char *base;
 149         char *slash;
 150
 151         if(!name)
 152                 name = "wrc.tab";
 153
 154         slash = strrchr(name, '/');
 155         if (slash)
 156                 name = slash + 1;
 157
 158         namelen = strlen(name);
 159
 160         /* +4 for later extension and +1 for '\0' */
 161         base = (char *)xmalloc(namelen +4 +1);
 162         strcpy(base, name);
 163         if(!strcasecmp(name + namelen-extlen, ext))
 164         {
 165                 base[namelen - extlen] = '\0';
 166         }
 167         return base;
 168 }
 169
 170 void *xmalloc(size_t size)
 171 {
 172     void *res;
 173
 174     assert(size > 0);
 175     assert(size < 102400);
 176     res = malloc(size);
 177     if(res == NULL)
 178     {
 179         error("Virtual memory exhausted.\n");
 180     }
 181     /*
 182      * We set it to 0.
 183      * This is *paramount* because we depend on it
 184      * just about everywhere in the rest of the code.
 185      */
 186     memset(res, 0, size);
 187     return res;
 188 }
 189
 190
 191 void *xrealloc(void *p, size_t size)
 192 {
 193     void *res;
 194
 195     assert(size > 0);
 196     assert(size < 102400);
 197     res = realloc(p, size);
 198     if(res == NULL)
 199     {
 200         error("Virtual memory exhausted.\n");
 201     }
 202     return res;
 203 }
 204
 205 char *xstrdup(const char *str)
 206 {
 207         char *s;
 208
 209         assert(str != NULL);
 210         s = (char *)xmalloc(strlen(str)+1);
 211         return strcpy(s, str);
 212 }
 213
 214 short *dupcstr2wstr(const char *str)
 215 {
 216         int len;
 217         WCHAR *ws;
 218
 219         if (!current_codepage) set_language( LANG_NEUTRAL, SUBLANG_NEUTRAL );
 220         len = cp_mbstowcs( current_codepage, 0, str, strlen(str), NULL, 0 );
 221         ws = xmalloc( sizeof(WCHAR) * (len + 1) );
 222         len = cp_mbstowcs( current_codepage, 0, str, strlen(str), ws, len );
 223         ws[len] = 0;
 224         return ws;
 225 }
 226
 227 char *dupwstr2cstr(const short *str)
 228 {
 229         int len;
 230         char *cs;
 231
 232         if (!current_codepage) set_language( LANG_NEUTRAL, SUBLANG_NEUTRAL );
 233         len = cp_wcstombs( current_codepage, 0, str, strlenW(str), NULL, 0, NULL, NULL );
 234         cs = xmalloc( len + 1 );
 235         len = cp_wcstombs( current_codepage, 0, str, strlenW(str),  cs, len, NULL, NULL );
 236         cs[len] = 0;
 237         return cs;
 238 }
 239
 240 /*
 241  *****************************************************************************
 242  * Function     : compare_name_id
 243  * Syntax       : int compare_name_id(name_id_t *n1, name_id_t *n2)
 244  * Input        :
 245  * Output       :
 246  * Description  :
 247  * Remarks      :
 248  *****************************************************************************
 249 */
 250 int compare_name_id(name_id_t *n1, name_id_t *n2)
 251 {
 252         if(n1->type == name_ord && n2->type == name_ord)
 253         {
 254                 return n1->name.i_name - n2->name.i_name;
 255         }
 256         else if(n1->type == name_str && n2->type == name_str)
 257         {
 258                 if(n1->name.s_name->type == str_char
 259                 && n2->name.s_name->type == str_char)
 260                 {
 261                         return strcasecmp(n1->name.s_name->str.cstr, n2->name.s_name->str.cstr);
 262                 }
 263                 else if(n1->name.s_name->type == str_unicode
 264                 && n2->name.s_name->type == str_unicode)
 265                 {
 266                         return strcmpiW(n1->name.s_name->str.wstr, n2->name.s_name->str.wstr);
 267                 }
 268                 else
 269                 {
 270                         internal_error(__FILE__, __LINE__, "Can't yet compare strings of mixed type");
 271                 }
 272         }
 273         else if(n1->type == name_ord && n2->type == name_str)
 274                 return 1;
 275         else if(n1->type == name_str && n2->type == name_ord)
 276                 return -1;
 277         else
 278                 internal_error(__FILE__, __LINE__, "Comparing name-ids with unknown types (%d, %d)",
 279                                 n1->type, n2->type);
 280
 281         return 0; /* Keep the compiler happy */
 282 }
 283
 284 string_t *convert_string(const string_t *str, enum str_e type)
 285 {
 286         string_t *ret = xmalloc(sizeof(*ret));
 287
 288         if((str->type == str_char) && (type == str_unicode))
 289         {
 290                 ret->str.wstr = dupcstr2wstr(str->str.cstr);
 291                 ret->type     = str_unicode;
 292                 ret->size     = strlenW(ret->str.wstr);
 293         }
 294         else if((str->type == str_unicode) && (type == str_char))
 295         {
 296                 ret->str.cstr = dupwstr2cstr(str->str.wstr);
 297                 ret->type     = str_char;
 298                 ret->size     = strlen(ret->str.cstr);
 299         }
 300         else if(str->type == str_unicode)
 301         {
 302                 ret->type     = str_unicode;
 303                 ret->size     = strlenW(str->str.wstr);
 304                 ret->str.wstr = xmalloc(sizeof(WCHAR)*(ret->size+1));
 305                 strcpyW(ret->str.wstr, str->str.wstr);
 306         }
 307         else /* str->type == str_char */
 308         {
 309                 ret->type     = str_char;
 310                 ret->size     = strlen(str->str.cstr);
 311                 ret->str.cstr = xmalloc( ret->size + 1 );
 312                 strcpy(ret->str.cstr, str->str.cstr);
 313         }
 314         return ret;
 315 }
 316
 317
 318 struct lang2cp
 319 {
 320     unsigned short lang;
 321     unsigned short sublang;
 322     unsigned int   cp;
 323 } lang2cp_t;
 324
 325 /* language to codepage conversion table */
 326 /* specific sublanguages need only be specified if their codepage */
 327 /* differs from the default (SUBLANG_NEUTRAL) */
 328 static const struct lang2cp lang2cps[] =
 329 {
 330     { LANG_AFRIKAANS,      SUBLANG_NEUTRAL,              1252 },
 331     { LANG_ALBANIAN,       SUBLANG_NEUTRAL,              1250 },
 332     { LANG_ARABIC,         SUBLANG_NEUTRAL,              1256 },
 333     { LANG_BASQUE,         SUBLANG_NEUTRAL,              1252 },
 334     { LANG_BRETON,         SUBLANG_NEUTRAL,              1252 },
 335     { LANG_BULGARIAN,      SUBLANG_NEUTRAL,              1251 },
 336     { LANG_BYELORUSSIAN,   SUBLANG_NEUTRAL,              1251 },
 337     { LANG_CATALAN,        SUBLANG_NEUTRAL,              1252 },
 338     { LANG_CHINESE,        SUBLANG_NEUTRAL,              936  },
 339     { LANG_CORNISH,        SUBLANG_NEUTRAL,              1252 },
 340     { LANG_CZECH,          SUBLANG_NEUTRAL,              1250 },
 341     { LANG_DANISH,         SUBLANG_NEUTRAL,              1252 },
 342     { LANG_DUTCH,          SUBLANG_NEUTRAL,              1252 },
 343     { LANG_ENGLISH,        SUBLANG_NEUTRAL,              1252 },
 344     { LANG_ESPERANTO,      SUBLANG_NEUTRAL,              1252 },
 345     { LANG_ESTONIAN,       SUBLANG_NEUTRAL,              1257 },
 346     { LANG_FAEROESE,       SUBLANG_NEUTRAL,              1252 },
 347     { LANG_FINNISH,        SUBLANG_NEUTRAL,              1252 },
 348     { LANG_FRENCH,         SUBLANG_NEUTRAL,              1252 },
 349     { LANG_GAELIC,         SUBLANG_NEUTRAL,              1252 },
 350     { LANG_GERMAN,         SUBLANG_NEUTRAL,              1252 },
 351     { LANG_GREEK,          SUBLANG_NEUTRAL,              1253 },
 352     { LANG_HUNGARIAN,      SUBLANG_NEUTRAL,              1250 },
 353     { LANG_ICELANDIC,      SUBLANG_NEUTRAL,              1252 },
 354     { LANG_INDONESIAN,     SUBLANG_NEUTRAL,              1252 },
 355     { LANG_ITALIAN,        SUBLANG_NEUTRAL,              1252 },
 356     { LANG_JAPANESE,       SUBLANG_NEUTRAL,              932  },
 357     { LANG_KOREAN,         SUBLANG_NEUTRAL,              949  },
 358     { LANG_LATVIAN,        SUBLANG_NEUTRAL,              1257 },
 359     { LANG_LITHUANIAN,     SUBLANG_NEUTRAL,              1257 },
 360     { LANG_MACEDONIAN,     SUBLANG_NEUTRAL,              1251 },
 361     { LANG_NEUTRAL,        SUBLANG_NEUTRAL,              1252 },
 362     { LANG_NORWEGIAN,      SUBLANG_NEUTRAL,              1252 },
 363     { LANG_POLISH,         SUBLANG_NEUTRAL,              1250 },
 364     { LANG_PORTUGUESE,     SUBLANG_NEUTRAL,              1252 },
 365     { LANG_ROMANIAN,       SUBLANG_NEUTRAL,              1250 },
 366     { LANG_RUSSIAN,        SUBLANG_NEUTRAL,              1251 },
 367     { LANG_SERBO_CROATIAN, SUBLANG_NEUTRAL,              1250 },
 368     { LANG_SERBO_CROATIAN, SUBLANG_SERBIAN_LATIN,        1251 },
 369     { LANG_SLOVAK,         SUBLANG_NEUTRAL,              1250 },
 370     { LANG_SLOVENIAN,      SUBLANG_NEUTRAL,              1250 },
 371     { LANG_SPANISH,        SUBLANG_NEUTRAL,              1252 },
 372     { LANG_SWEDISH,        SUBLANG_NEUTRAL,              1252 },
 373     { LANG_THAI,           SUBLANG_NEUTRAL,              874  },
 374     { LANG_TURKISH,        SUBLANG_NEUTRAL,              1254 },
 375     { LANG_UKRAINIAN,      SUBLANG_NEUTRAL,              1251 },
 376     { LANG_VIETNAMESE,     SUBLANG_NEUTRAL,              1258 },
 377     { LANG_WALON,          SUBLANG_NEUTRAL,              1252 },
 378     { LANG_WELSH,          SUBLANG_NEUTRAL,              1252 }
 379 };
 380
 381 void set_language( unsigned short lang, unsigned short sublang )
 382 {
 383     unsigned int i;
 384     unsigned int cp = 0, defcp = 0;
 385
 386     for (i = 0; i < sizeof(lang2cps)/sizeof(lang2cps[0]); i++)
 387     {
 388         if (lang2cps[i].lang != lang) continue;
 389         if (lang2cps[i].sublang == sublang)
 390         {
 391             cp = lang2cps[i].cp;
 392             break;
 393         }
 394         if (lang2cps[i].sublang == SUBLANG_NEUTRAL) defcp = lang2cps[i].cp;
 395     }
 396
 397     if (!cp) cp = defcp;
 398     if (!cp)
 399         error( "No codepage value for language %04x", MAKELANGID(lang,sublang) );
 400     if (!(current_codepage = cp_get_table( cp )))
 401         error( "Bad codepage %d for language %04x", cp, MAKELANGID(lang,sublang) );
 402 }