src/native/native.c

   1 /* native.c - table of native functions
   2
   3    Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
   4    R. Grafl, A. Krall, C. Kruegel, C. Oates, R. Obermaisser,
   5    M. Probst, S. Ring, E. Steiner, C. Thalinger, D. Thuernbeck,
   6    P. Tomsich, J. Wenninger
   7
   8    This file is part of CACAO.
   9
  10    This program is free software; you can redistribute it and/or
  11    modify it under the terms of the GNU General Public License as
  12    published by the Free Software Foundation; either version 2, or (at
  13    your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful, but
  16    WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18    General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program; if not, write to the Free Software
  22    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  23    02111-1307, USA.
  24
  25    Contact: cacao@complang.tuwien.ac.at
  26
  27    Authors: Reinhard Grafl
  28             Roman Obermaisser
  29             Andreas Krall
  30
  31    The .hh files created with the header file generator are all
  32    included here as are the C functions implementing these methods.
  33
  34    $Id: native.c 676 2003-11-24 20:50:23Z twisti $
  35
  36 */
  37
  38 #include <stdlib.h>
  39 #include <unistd.h>
  40 #include <time.h>
  41 #include <math.h>
  42 #include <string.h>
  43 #include <assert.h>
  44 #include <sys/time.h>
  45 #include <utime.h>
  46
  47 #include "config.h"
  48 #include "global.h"
  49 #include "jni.h"
  50 #include "native.h"
  51 #include "nativetypes.hh"
  52 #include "builtin.h"
  53 #include "asmpart.h"
  54 #include "tables.h"
  55 #include "loader.h"
  56 #include "toolbox/loging.h"
  57 #include "threads/thread.h"
  58 #include "threads/threadio.h"
  59 #include "threads/locks.h"
  60
  61 /* Include files for IO functions */
  62
  63 #include <fcntl.h>
  64 #include <dirent.h>
  65 #include <sys/types.h>
  66 #ifdef _OSF_SOURCE
  67 #include <sys/mode.h>
  68 #endif
  69 #include <sys/stat.h>
  70
  71 #include "threads/threadio.h"
  72
  73 /* searchpath for classfiles */
  74 char *classpath;
  75
  76 /* for java-string to char conversion */
  77 #define MAXSTRINGSIZE 1000
  78
  79 /******************** systemclasses required for native methods ***************/
  80
  81 classinfo *class_java_lang_Class;
  82 classinfo *class_java_lang_VMClass;
  83 methodinfo *method_vmclass_init;
  84 /* static classinfo *class_java_lang_Cloneable=0; */ /* now in global.h */
  85 classinfo *class_java_lang_CloneNotSupportedException;
  86 classinfo *class_java_lang_System;
  87 classinfo *class_java_lang_ClassLoader;
  88 classinfo *class_java_lang_ClassNotFoundException;
  89 classinfo *class_java_lang_InstantiationException;
  90 classinfo *class_java_lang_NoSuchMethodError;
  91 classinfo *class_java_lang_NoSuchFieldError;
  92 classinfo *class_java_lang_ClassFormatError;
  93 classinfo *class_java_lang_IllegalArgumentException;
  94 classinfo *class_java_lang_ArrayIndexOutOfBoundsException;
  95 classinfo *class_java_lang_NoSuchFieldException;
  96 classinfo *class_java_io_SyncFailedException;
  97 classinfo *class_java_io_IOException;
  98 classinfo *class_java_io_FileNotFoundException;
  99 classinfo *class_java_io_UnixFileSystem;
 100 classinfo *class_java_security_PrivilegedActionException;
 101 classinfo *class_java_net_UnknownHostException;
 102 classinfo *class_java_net_SocketException;
 103 classinfo *class_java_lang_NoSuchMethodException;
 104 classinfo *class_java_lang_Double;
 105 classinfo *class_java_lang_Float;
 106 classinfo *class_java_lang_Long;
 107 classinfo *class_java_lang_Byte;
 108 classinfo *class_java_lang_Short;
 109 classinfo *class_java_lang_Boolean;
 110 classinfo *class_java_lang_Void;
 111 classinfo *class_java_lang_Character;
 112 classinfo *class_java_lang_Integer;
 113
 114 /* the system classloader object */
 115 struct java_lang_ClassLoader *SystemClassLoader = NULL;
 116
 117 /* for raising exceptions from native methods */
 118 java_objectheader* exceptionptr = NULL;
 119
 120 /************* use classinfo structure as java.lang.Class object **************/
 121
 122 void use_class_as_object(classinfo *c)
 123 {
 124         /*log_text("use_class_as_object");*/
 125         if (!class_java_lang_Class)
 126                 class_java_lang_Class =
 127                         class_new ( utf_new_char ("java/lang/Class") );
 128         vftbl *vt = class_java_lang_Class->vftbl;
 129         vftbl *newtbl;
 130         if (!c->classvftbl) {
 131                 c->classvftbl = true;
 132                 copy_vftbl(&newtbl, vt);
 133                 newtbl->class = c->header.vftbl->class;
 134                 newtbl->baseval = c->header.vftbl->baseval;
 135                 newtbl->diffval = c->header.vftbl->diffval;
 136                 c->header.vftbl = newtbl;
 137         }
 138
 139         if (!class_java_lang_VMClass) {
 140                 class_java_lang_VMClass =
 141                                 class_new ( utf_new_char("java/lang/VMClass"));
 142                 method_vmclass_init =
 143                                 class_findmethod(class_java_lang_VMClass,utf_new_char("<init>"),
 144                                         utf_new_char("(Lgnu/classpath/RawData;)V"));
 145                 if (method_vmclass_init==0) {
 146                         class_showmethods(class_java_lang_VMClass);
 147                         panic("Needed class initializer for VMClass could not be found");
 148                 }
 149         }
 150         {
 151                 java_objectheader *vmo = builtin_new (class_java_lang_VMClass);
 152                 asm_calljavamethod (method_vmclass_init, vmo, c, NULL, NULL);
 153                 c->vmClass=(java_lang_VMClass*)vmo;
 154         }
 155 }
 156
 157
 158 /*************************** include native methods ***************************/
 159
 160 #ifdef USE_GTK
 161 #include "nat/GdkGraphics.c"
 162 #include "nat/GtkComponentPeer.c"
 163 #include "nat/GdkPixbufDecoder.c"
 164 #include "nat/GtkScrollPanePeer.c"
 165 #include "nat/GtkFileDialogPeer.c"
 166 #include "nat/GtkLabelPeer.c"
 167 #endif
 168
 169
 170 /************************** tables for methods ********************************/
 171
 172 #undef JOWENN_DEBUG
 173 #undef JOWENN_DEBUG1
 174
 175 /* table for locating native methods */
 176 static struct nativeref {
 177         char *classname;
 178         char *methodname;
 179         char *descriptor;
 180         bool isstatic;
 181         functionptr func;
 182 } nativetable [] = {
 183
 184 #include "nativetable.hh"
 185
 186 };
 187
 188
 189 #define NATIVETABLESIZE  (sizeof(nativetable)/sizeof(struct nativeref))
 190
 191 /* table for fast string comparison */
 192 static struct nativecompref {
 193         utf *classname;
 194         utf *methodname;
 195         utf *descriptor;
 196         bool isstatic;
 197         functionptr func;
 198 } nativecomptable [NATIVETABLESIZE];
 199
 200 /* string comparsion table initialized */
 201 static bool nativecompdone = false;
 202
 203
 204 /******************************************************************************/
 205 /******************************************************************************/
 206 #include "natcalls.h"
 207
 208 /* string call comparison table initialized */
 209
 210 /******************************************************************************/
 211 /******************************************************************************/
 212
 213 /*--------------- native method calls & classes used -------------------------*/
 214
 215
 216
 217
 218 /*********************** function: native_loadclasses **************************
 219
 220         load classes required for native methods
 221
 222 *******************************************************************************/
 223
 224 void native_loadclasses()
 225 {
 226         static int classesLoaded=0; /*temporary hack JoWenn*/
 227         if (classesLoaded) return;
 228         classesLoaded=1;
 229 /*      log_text("loadclasses entered");*/
 230
 231
 232         /*class_java_lang_System =*/
 233                 (void)class_new ( utf_new_char ("java/lang/VMClass") );/*JoWenn*/
 234                 (void)class_new ( utf_new_char ("java/lang/Class") );/*JoWenn*/
 235         /* class_new adds the class to the list of classes to be loaded */
 236         if (!class_java_lang_Cloneable)
 237                 class_java_lang_Cloneable =
 238                         class_new ( utf_new_char ("java/lang/Cloneable") );
 239 /*      log_text("loadclasses: class_java_lang_Cloneable has been initialized");*/
 240         class_java_lang_CloneNotSupportedException =
 241                 class_new ( utf_new_char ("java/lang/CloneNotSupportedException") );
 242         if (!class_java_lang_Class)
 243                 class_java_lang_Class =
 244                         class_new ( utf_new_char ("java/lang/Class") );
 245         class_java_io_IOException =
 246                 class_new(utf_new_char("java/io/IOException"));
 247         class_java_io_FileNotFoundException =
 248                 class_new(utf_new_char("java/io/FileNotFoundException"));
 249         class_java_lang_ClassNotFoundException =
 250                 class_new(utf_new_char("java/lang/ClassNotFoundException"));
 251         class_java_lang_InstantiationException =
 252                 class_new(utf_new_char("java/lang/InstantiationException"));
 253         class_java_lang_NoSuchMethodError =
 254                 class_new(utf_new_char("java/lang/NoSuchMethodError"));
 255         class_java_lang_NoSuchFieldError =
 256                 class_new(utf_new_char("java/lang/NoSuchFieldError"));
 257         class_java_lang_ClassFormatError =
 258                 class_new(utf_new_char("java/lang/ClassFormatError"));
 259         class_java_io_SyncFailedException =
 260                 class_new ( utf_new_char ("java/io/SyncFailedException") );
 261
 262 /*      log_text("native_loadclasses: class_new(\"java/lang/ClassLoader\")");           */
 263         class_java_lang_ClassLoader =
 264                 class_new ( utf_new_char ("java/lang/ClassLoader") );
 265 /*      log_text("native_loadclasses: class_new(\"java/security/PrivilegedActionException\")");         */
 266         class_java_security_PrivilegedActionException =
 267                 class_new(utf_new_char("java/security/PrivilegedActionException"));
 268
 269         class_java_net_UnknownHostException =
 270                 loader_load(utf_new_char("java/net/UnknownHostException"));
 271         class_java_net_SocketException =
 272                 loader_load(utf_new_char("java/net/SocketException"));
 273
 274         class_java_lang_IllegalArgumentException =
 275                 class_new(utf_new_char("java/lang/IllegalArgumentException"));
 276         class_java_lang_ArrayIndexOutOfBoundsException =
 277                 class_new(utf_new_char("java/lang/ArrayIndexOutOfBoundsException"));
 278         class_java_lang_NoSuchFieldException =
 279                 class_new(utf_new_char("java/lang/NoSuchFieldException"));
 280         class_java_lang_NoSuchMethodException =
 281                 class_new(utf_new_char("java/lang/NoSuchMethodException"));
 282
 283         /* load classes for wrapping primitive types */
 284         class_java_lang_Double =
 285                 class_new( utf_new_char ("java/lang/Double") );
 286         class_init(class_java_lang_Double);
 287
 288         class_java_lang_Float =
 289                 class_new(utf_new_char("java/lang/Float"));
 290         class_java_lang_Character =
 291                 class_new(utf_new_char("java/lang/Character"));
 292         class_java_lang_Integer =
 293                 class_new(utf_new_char("java/lang/Integer"));
 294         class_java_lang_Long =
 295                 class_new(utf_new_char("java/lang/Long"));
 296         class_java_lang_Byte =
 297                 class_new(utf_new_char("java/lang/Byte"));
 298         class_java_lang_Short =
 299                 class_new(utf_new_char("java/lang/Short"));
 300         class_java_lang_Boolean =
 301                 class_new(utf_new_char("java/lang/Boolean"));
 302         class_java_lang_Void =
 303                 class_new(utf_new_char("java/lang/Void"));
 304
 305         /* load to avoid dynamic classloading */
 306 /*JoWenn        class_new(utf_new_char("sun/net/www/protocol/file/Handler"));
 307         class_new(utf_new_char("sun/net/www/protocol/jar/Handler"));
 308         class_new(utf_new_char("sun/io/CharToByteISO8859_1"));*/
 309
 310         /* start classloader */
 311 /*JoWenn        loader_load(utf_new_char("sun/io/ByteToCharISO8859_1")); */
 312
 313         classesLoaded=1;
 314         log_text("native_loadclasses finished");
 315 }
 316
 317
 318 /*************** adds a class to the vector of loaded classes ****************/
 319
 320 void systemclassloader_addclass(classinfo *c)
 321 {
 322         methodinfo *m;
 323
 324         /* find method addClass of java.lang.ClassLoader */
 325         m = class_resolvemethod(
 326                                                         class_java_lang_ClassLoader,
 327                                                         utf_new_char("addClass"),
 328                                                         utf_new_char("(Ljava/lang/Class;)")
 329                                                         );
 330
 331         if (!m) panic("warning: cannot initialize classloader");
 332
 333         /* prepare class to be passed as argument */
 334         use_class_as_object (c);
 335
 336         /* call 'addClass' */
 337         asm_calljavamethod(m,
 338                                            (java_objectheader*) SystemClassLoader,
 339                                            (java_objectheader*) c,
 340                                            NULL,
 341                                            NULL
 342                                            );
 343 }
 344
 345 /*************** adds a library to the vector of loaded libraries *************/
 346
 347 void systemclassloader_addlibrary(java_objectheader *o)
 348 {
 349         log_text("systemclassloader_addlibrary");
 350 }
 351
 352 /*****************************************************************************
 353
 354         create systemclassloader object and initialize instance fields
 355
 356 ******************************************************************************/
 357
 358 void init_systemclassloader()
 359 {
 360   if (!SystemClassLoader) {
 361         native_loadclasses();
 362         log_text("Initializing new system class loader");
 363         /* create object and call initializer */
 364         SystemClassLoader = (java_lang_ClassLoader*) native_new_and_init(class_java_lang_ClassLoader);
 365         heap_addreference((void**) &SystemClassLoader);
 366
 367         /* systemclassloader has no parent */
 368         SystemClassLoader->parent      = NULL;
 369         SystemClassLoader->initialized = true;
 370   }
 371   log_text("leaving system class loader");
 372 }
 373
 374
 375 /********************* add loaded library name  *******************************/
 376
 377 void systemclassloader_addlibname(java_objectheader *o)
 378 {
 379         methodinfo *m;
 380         jfieldID id;
 381
 382         m = class_resolvemethod(loader_load(utf_new_char ("java/util/Vector")),
 383                                                         utf_new_char("addElement"),
 384                                                         utf_new_char("(Ljava/lang/Object;)V")
 385                                                         );
 386
 387         if (!m) panic("cannot initialize classloader");
 388
 389         id = envTable.GetStaticFieldID(&env,class_java_lang_ClassLoader,"loadedLibraryNames","Ljava/util/Vector;");
 390         if (!id) panic("can not access ClassLoader");
 391
 392         asm_calljavamethod(m,
 393                                            GetStaticObjectField(&env,class_java_lang_ClassLoader,id),
 394                                            o,
 395                                            NULL,
 396                                            NULL
 397                                            );
 398 }
 399
 400
 401 /********************* function: native_setclasspath **************************/
 402
 403 void native_setclasspath (char *path)
 404 {
 405         /* set searchpath for classfiles */
 406         classpath = path;
 407 }
 408
 409
 410 /***************** function: throw_classnotfoundexception *********************/
 411
 412 void throw_classnotfoundexception()
 413 {
 414     if (!class_java_lang_ClassNotFoundException) {
 415         panic("java.lang.ClassNotFoundException not found. Maybe wrong classpath?");
 416     }
 417
 418         /* throws a ClassNotFoundException */
 419         exceptionptr = native_new_and_init(class_java_lang_ClassNotFoundException);
 420 }
 421
 422
 423 void throw_classnotfoundexception2(utf* classname)
 424 {
 425         if (!class_java_lang_ClassNotFoundException) {
 426                 panic("java.lang.ClassNotFoundException not found. Maybe wrong classpath?");
 427         }
 428
 429         /* throws a ClassNotFoundException with message */
 430         exceptionptr = native_new_and_init_string(class_java_lang_ClassNotFoundException,
 431                                                                                           javastring_new(classname));
 432 }
 433
 434
 435 /*********************** Function: native_findfunction *************************
 436
 437         Looks up a method (must have the same class name, method name, descriptor
 438         and 'static'ness) and returns a function pointer to it.
 439         Returns: function pointer or NULL (if there is no such method)
 440
 441         Remark: For faster operation, the names/descriptors are converted from C
 442                 strings to Unicode the first time this function is called.
 443
 444 *******************************************************************************/
 445
 446 functionptr native_findfunction(utf *cname, utf *mname,
 447                                                                 utf *desc, bool isstatic)
 448 {
 449         int i;
 450         /* entry of table for fast string comparison */
 451         struct nativecompref *n;
 452         /* for warning message if no function is found */
 453         char *buffer;
 454         int buffer_len;
 455
 456         isstatic = isstatic ? true : false;
 457
 458         if (!nativecompdone) {
 459                 for (i = 0; i < NATIVETABLESIZE; i++) {
 460                         nativecomptable[i].classname  =
 461                                 utf_new_char(nativetable[i].classname);
 462                         nativecomptable[i].methodname =
 463                                 utf_new_char(nativetable[i].methodname);
 464                         nativecomptable[i].descriptor =
 465                                 utf_new_char(nativetable[i].descriptor);
 466                         nativecomptable[i].isstatic   =
 467                                 nativetable[i].isstatic;
 468                         nativecomptable[i].func       =
 469                                 nativetable[i].func;
 470                 }
 471                 nativecompdone = true;
 472         }
 473
 474 #ifdef JOWENN_DEBUG
 475         buffer_len =
 476           utf_strlen(cname) + utf_strlen(mname) + utf_strlen(desc) + 64;
 477
 478         buffer = MNEW(char, buffer_len);
 479
 480         strcpy(buffer, "searching matching function in native table:");
 481         utf_sprint(buffer+strlen(buffer), mname);
 482         strcpy(buffer+strlen(buffer), ": ");
 483         utf_sprint(buffer+strlen(buffer), desc);
 484         strcpy(buffer+strlen(buffer), " for class ");
 485         utf_sprint(buffer+strlen(buffer), cname);
 486
 487         log_text(buffer);
 488
 489         MFREE(buffer, char, buffer_len);
 490 #endif
 491
 492         for (i = 0; i < NATIVETABLESIZE; i++) {
 493                 n = &(nativecomptable[i]);
 494
 495                 if (cname == n->classname && mname == n->methodname &&
 496                     desc == n->descriptor && isstatic == n->isstatic)
 497                         return n->func;
 498 #ifdef JOWENN_DEBUG
 499                         else {
 500                                 if (cname == n->classname && mname == n->methodname )  log_text("static and descriptor mismatch");
 501
 502                                 else {
 503                                         buffer_len =
 504                                           utf_strlen(n->classname) + utf_strlen(n->methodname) + utf_strlen(n->descriptor) + 64;
 505
 506                                         buffer = MNEW(char, buffer_len);
 507
 508                                         strcpy(buffer, "comparing with:");
 509                                         utf_sprint(buffer+strlen(buffer), n->methodname);
 510                                         strcpy (buffer+strlen(buffer), ": ");
 511                                         utf_sprint(buffer+strlen(buffer), n->descriptor);
 512                                         strcpy(buffer+strlen(buffer), " for class ");
 513                                         utf_sprint(buffer+strlen(buffer), n->classname);
 514
 515                                         log_text(buffer);
 516
 517                                         MFREE(buffer, char, buffer_len);
 518
 519                                 }
 520                         }
 521 #endif
 522         }
 523
 524
 525         /* no function was found, display warning */
 526
 527         buffer_len =
 528                 utf_strlen(cname) + utf_strlen(mname) + utf_strlen(desc) + 64;
 529
 530         buffer = MNEW(char, buffer_len);
 531
 532         strcpy(buffer, "warning: native function ");
 533         utf_sprint(buffer + strlen(buffer), mname);
 534         strcpy(buffer + strlen(buffer), ": ");
 535         utf_sprint(buffer + strlen(buffer), desc);
 536         strcpy(buffer + strlen(buffer), " not found in class ");
 537         utf_sprint(buffer + strlen(buffer), cname);
 538
 539         log_text(buffer);
 540
 541         MFREE(buffer, char, buffer_len);
 542
 543
 544         exit(1);
 545
 546
 547         return NULL;
 548 }
 549
 550
 551 /********************** function: javastring_new *******************************
 552
 553         creates a new object of type java/lang/String with the text of
 554         the specified utf8-string
 555
 556         return: pointer to the string or NULL if memory is exhausted.
 557
 558 *******************************************************************************/
 559
 560 java_objectheader *javastring_new (utf *u)
 561 {
 562         char *utf_ptr = u->text;        /* current utf character in utf string    */
 563         int utflength = utf_strlen(u);  /* length of utf-string if uncompressed   */
 564         java_lang_String *s;                /* result-string                          */
 565         java_chararray *a;
 566         s4 i;
 567
 568 /*      log_text("javastring_new");*/
 569
 570         s = (java_lang_String*) builtin_new (class_java_lang_String);
 571         a = builtin_newarray_char (utflength);
 572
 573         /* javastring or character-array could not be created */
 574         if ((!a) || (!s))
 575                 return NULL;
 576
 577         /* decompress utf-string */
 578         for (i = 0; i < utflength; i++)
 579                 a->data[i] = utf_nextu2(&utf_ptr);
 580
 581         /* set fields of the javastring-object */
 582         s->value  = a;
 583         s->offset = 0;
 584         s->count  = utflength;
 585
 586         return (java_objectheader*) s;
 587 }
 588
 589 /********************** function: javastring_new_char **************************
 590
 591         creates a new java/lang/String object which contains the convertet
 592         C-string passed via text.
 593
 594         return: the object pointer or NULL if memory is exhausted.
 595
 596 *******************************************************************************/
 597
 598 java_objectheader *javastring_new_char (char *text)
 599 {
 600         s4 i;
 601         s4 len = strlen(text); /* length of the string */
 602         java_lang_String *s;   /* result-string */
 603         java_chararray *a;
 604
 605         /*log_text("javastring_new_char");*/
 606         s = (java_lang_String*) builtin_new (class_java_lang_String);
 607         a = builtin_newarray_char (len);
 608
 609         /* javastring or character-array could not be created */
 610         if ((!a) || (!s)) return NULL;
 611
 612         /* copy text */
 613         for (i = 0; i < len; i++)
 614                 a->data[i] = text[i];
 615
 616         /* set fields of the javastring-object */
 617         s->value = a;
 618         s->offset = 0;
 619         s->count = len;
 620
 621         return (java_objectheader*) s;
 622 }
 623
 624
 625 /************************* function javastring_tochar **************************
 626
 627         converts a Java string into a C string.
 628
 629         return: pointer to C string
 630
 631         Caution: every call of this function overwrites the previous string !!!
 632
 633 *******************************************************************************/
 634
 635 static char stringbuffer[MAXSTRINGSIZE];
 636
 637 char *javastring_tochar (java_objectheader *so)
 638 {
 639         java_lang_String *s = (java_lang_String*) so;
 640         java_chararray *a;
 641         s4 i;
 642
 643         log_text("javastring_tochar");
 644
 645         if (!s)
 646                 return "";
 647         a = s->value;
 648         if (!a)
 649                 return "";
 650         if (s->count > MAXSTRINGSIZE)
 651                 return "";
 652         for (i = 0; i < s->count; i++)
 653                 stringbuffer[i] = a->data[s->offset+i];
 654         stringbuffer[i] = '\0';
 655         return stringbuffer;
 656 }
 657
 658
 659 /****************** function class_findfield_approx ****************************
 660
 661         searches in 'classinfo'-structure for a field with the
 662         specified name
 663
 664 *******************************************************************************/
 665
 666 fieldinfo *class_findfield_approx(classinfo *c, utf *name)
 667 {
 668         s4 i;
 669         for (i = 0; i < c->fieldscount; i++) {
 670                 /* compare field names */
 671                 if ((c->fields[i].name == name))
 672                         return &(c->fields[i]);
 673         }
 674
 675         /* field was not found, raise exception */
 676         exceptionptr = native_new_and_init(class_java_lang_NoSuchFieldException);
 677
 678         return NULL;
 679 }
 680
 681 s4 class_findfield_index_approx (classinfo *c, utf *name)
 682 {
 683         s4 i;
 684         for (i = 0; i < c->fieldscount; i++) {
 685                 /* compare field names */
 686                 if ((c->fields[i].name == name))
 687                         return i;
 688                 }
 689
 690         /* field was not found, raise exception */
 691         exceptionptr = native_new_and_init(class_java_lang_NoSuchFieldException);
 692         return -1;
 693 }
 694
 695
 696 /********************** function: native_new_and_init *************************
 697
 698         Creates a new object on the heap and calls the initializer.
 699         Returns the object pointer or NULL if memory is exhausted.
 700
 701 *******************************************************************************/
 702
 703 java_objectheader *native_new_and_init(classinfo *c)
 704 {
 705         methodinfo *m;
 706         java_objectheader *o = builtin_new(c);          /* create object          */
 707
 708         /*
 709         printf("native_new_and_init ");
 710         utf_display(c->name);
 711         printf("\n");
 712         */
 713         if (!o) return NULL;
 714         /* printf("o!=NULL\n"); */
 715         /* find initializer */
 716
 717         m = class_findmethod(c, utf_new_char("<init>"), utf_new_char("()V"));
 718
 719         if (!m) {                                       /* initializer not found  */
 720                 if (verbose) {
 721                         sprintf(logtext, "Warning: class has no instance-initializer: ");
 722                         utf_sprint(logtext + strlen(logtext), c->name);
 723                         dolog();
 724                 }
 725                 return o;
 726         }
 727
 728         /* call initializer */
 729
 730         asm_calljavamethod(m, o, NULL, NULL, NULL);
 731
 732         return o;
 733 }
 734
 735
 736 java_objectheader *native_new_and_init_string(classinfo *c, java_lang_String *s)
 737 {
 738         methodinfo *m;
 739         java_objectheader *o = builtin_new(c);          /* create object          */
 740
 741         if (!o) return NULL;
 742
 743         /* find initializer */
 744
 745         m = class_findmethod(c,
 746                                                  utf_new_char("<init>"),
 747                                                  utf_new_char("(Ljava/lang/String;)V"));
 748
 749         if (!m) {                                       /* initializer not found  */
 750                 if (verbose) {
 751                         sprintf(logtext, "Warning: class has no instance-initializer: ");
 752                         utf_sprint(logtext + strlen(logtext), c->name);
 753                         dolog();
 754                 }
 755                 return o;
 756         }
 757
 758         /* call initializer */
 759
 760         asm_calljavamethod(m, o, s, NULL, NULL);
 761
 762         return o;
 763 }
 764
 765
 766 /******************** function: stringtable_update ****************************
 767
 768         traverses the javastring hashtable and sets the vftbl-entries of
 769         javastrings which were temporarily set to NULL, because
 770         java.lang.Object was not yet loaded
 771
 772 *******************************************************************************/
 773
 774 void stringtable_update ()
 775 {
 776         java_lang_String *js;
 777         java_chararray *a;
 778         literalstring *s;       /* hashtable entry */
 779         int i;
 780
 781         for (i = 0; i < string_hash.size; i++) {
 782                 s = string_hash.ptr[i];
 783                 if (s) {
 784                         while (s) {
 785
 786                                 js = (java_lang_String *) s->string;
 787
 788                                 if (!js || !(a = js->value))
 789                                         /* error in hashtable found */
 790                                         panic("invalid literalstring in hashtable");
 791
 792                                 if (!js->header.vftbl)
 793                                         /* vftbl of javastring is NULL */
 794                                         js->header.vftbl = class_java_lang_String -> vftbl;
 795
 796                                 if (!a->header.objheader.vftbl)
 797                                         /* vftbl of character-array is NULL */
 798                                         a->header.objheader.vftbl = primitivetype_table[ARRAYTYPE_CHAR].arrayvftbl;
 799
 800                                 /* follow link in external hash chain */
 801                                 s = s->hashlink;
 802                         }
 803                 }
 804         }
 805 }
 806
 807
 808 /************************* function: u2_utflength ***************************
 809
 810         returns the utf length in bytes of a u2 array
 811
 812 *****************************************************************************/
 813
 814
 815 u4 u2_utflength(u2 *text, u4 u2_length)
 816 {
 817         u4 result_len =  0;  /* utf length in bytes  */
 818         u2 ch;               /* current unicode character */
 819         u4 len;
 820
 821         for (len = 0; len < u2_length; len++) {
 822
 823           /* next unicode character */
 824           ch = *text++;
 825
 826           /* determine bytes required to store unicode character as utf */
 827           if (ch && (ch < 0x80))
 828             result_len++;
 829           else if (ch < 0x800)
 830             result_len += 2;
 831           else
 832             result_len += 3;
 833         }
 834
 835     return result_len;
 836 }
 837
 838 /********************* function: utf_new_u2 ***********************************
 839
 840         make utf symbol from u2 array,
 841         if isclassname is true '.' is replaced by '/'
 842
 843 *******************************************************************************/
 844
 845 utf *utf_new_u2(u2 *unicode_pos, u4 unicode_length, bool isclassname)
 846 {
 847         char *buffer; /* memory buffer for  unicode characters */
 848         char *pos;    /* pointer to current position in buffer */
 849         u4 left;      /* unicode characters left */
 850         u4 buflength; /* utf length in bytes of the u2 array  */
 851         utf *result;  /* resulting utf-string */
 852         int i;
 853
 854         /* determine utf length in bytes and allocate memory */
 855         /* printf("utf_new_u2: unicode_length=%d\n",unicode_length);            */
 856         buflength = u2_utflength(unicode_pos, unicode_length);
 857         buffer    = MNEW(char,buflength);
 858
 859         /* memory allocation failed */
 860         if (!buffer) {
 861                 printf("length: %d\n",buflength);
 862                 log_text("utf_new_u2:buffer==NULL");
 863         }
 864
 865         left = buflength;
 866         pos  = buffer;
 867
 868         for (i = 0; i++ < unicode_length; unicode_pos++) {
 869                 /* next unicode character */
 870                 u2 c = *unicode_pos;
 871
 872                 if ((c != 0) && (c < 0x80)) {
 873                 /* 1 character */
 874                 left--;
 875                 if ((int) left < 0) break;
 876                 /* convert classname */
 877                 if (isclassname && c=='.')
 878                   *pos++ = '/';
 879                 else
 880                   *pos++ = (char) c;
 881                 } else if (c < 0x800) {
 882                 /* 2 characters */
 883                 unsigned char high = c >> 6;
 884                 unsigned char low  = c & 0x3F;
 885                 left = left - 2;
 886                 if ((int) left < 0) break;
 887                 *pos++ = high | 0xC0;
 888                 *pos++ = low  | 0x80;
 889                 } else {
 890                 /* 3 characters */
 891                 char low  = c & 0x3f;
 892                 char mid  = (c >> 6) & 0x3F;
 893                 char high = c >> 12;
 894                 left = left - 3;
 895                 if ((int) left < 0) break;
 896                 *pos++ = high | 0xE0;
 897                 *pos++ = mid  | 0x80;
 898                 *pos++ = low  | 0x80;
 899                 }
 900         }
 901
 902         /* insert utf-string into symbol-table */
 903         result = utf_new(buffer,buflength);
 904
 905         MFREE(buffer, char, buflength);
 906         return result;
 907 }
 908
 909 /********************* function: javastring_toutf *****************************
 910
 911         make utf symbol from javastring
 912
 913 *******************************************************************************/
 914
 915 utf *javastring_toutf(java_lang_String *string, bool isclassname)
 916 {
 917         java_lang_String *str = (java_lang_String *) string;
 918 /*      printf("javastring_toutf offset: %d, len %d\n",str->offset, str->count);
 919         fflush(stdout);*/
 920         return utf_new_u2(str->value->data+str->offset,str->count, isclassname);
 921 }
 922
 923 /********************* function: literalstring_u2 *****************************
 924
 925     searches for the javastring with the specified u2-array in
 926     the string hashtable, if there is no such string a new one is
 927     created
 928
 929     if copymode is true a copy of the u2-array is made
 930
 931 *******************************************************************************/
 932
 933 java_objectheader *literalstring_u2 (java_chararray *a, u4 length, bool copymode )
 934 {
 935     literalstring *s;                /* hashtable element */
 936     java_lang_String *js;            /* u2-array wrapped in javastring */
 937     java_chararray *stringdata;      /* copy of u2-array */
 938     u4 key;
 939     u4 slot;
 940     u2 i;
 941
 942 #if JOWENN_DEBUG1
 943     printf("literalstring_u2: length: %d\n",length);
 944     log_text("literalstring_u2");
 945 #endif
 946
 947     /* find location in hashtable */
 948     key  = unicode_hashkey (a->data, length);
 949     slot = key & (string_hash.size-1);
 950     s    = string_hash.ptr[slot];
 951
 952     while (s) {
 953
 954       js = (java_lang_String *) s->string;
 955
 956       if (js->count == length) {
 957         /* compare text */
 958         for (i=0; i<length; i++)
 959           if (js->value->data[i] != a->data[i]) goto nomatch;
 960
 961         /* string already in hashtable, free memory */
 962         if (!copymode)
 963           lit_mem_free(a, sizeof(java_chararray) + sizeof(u2)*(length-1)+10);
 964
 965 #ifdef JOWENN_DEBUG1
 966         log_text("literalstring_u2: foundentry");
 967         utf_display(javastring_toutf(js,0));
 968 #endif
 969         return (java_objectheader *) js;
 970       }
 971
 972       nomatch:
 973       /* follow link in external hash chain */
 974       s = s->hashlink;
 975     }
 976
 977     if (copymode) {
 978       /* create copy of u2-array for new javastring */
 979       u4 arraysize = sizeof(java_chararray) + sizeof(u2)*(length-1)+10;
 980       stringdata = lit_mem_alloc ( arraysize );
 981       memcpy(stringdata, a, arraysize );
 982     }
 983     else
 984       stringdata = a;
 985
 986     /* location in hashtable found, complete arrayheader */
 987     stringdata -> header.objheader.vftbl = primitivetype_table[ARRAYTYPE_CHAR].arrayvftbl;
 988     stringdata -> header.size = length;
 989
 990     /* create new javastring */
 991     js = LNEW (java_lang_String);
 992     js -> header.vftbl = class_java_lang_String -> vftbl;
 993     js -> value  = stringdata;
 994     js -> offset = 0;
 995     js -> count  = length;
 996
 997     /* create new literalstring */
 998     s = NEW (literalstring);
 999     s->hashlink = string_hash.ptr[slot];
1000     s->string   = (java_objectheader *) js;
1001     string_hash.ptr[slot] = s;
1002
1003     /* update numbe of hashtable entries */
1004     string_hash.entries++;
1005
1006     /* reorganization of hashtable */
1007     if ( string_hash.entries > (string_hash.size*2)) {
1008
1009       /* reorganization of hashtable, average length of
1010          the external chains is approx. 2                */
1011
1012       u4 i;
1013       literalstring *s;
1014       hashtable newhash; /* the new hashtable */
1015
1016       /* create new hashtable, double the size */
1017       init_hashtable(&newhash, string_hash.size*2);
1018       newhash.entries=string_hash.entries;
1019
1020       /* transfer elements to new hashtable */
1021       for (i=0; i<string_hash.size; i++) {
1022         s = string_hash.ptr[i];
1023         while (s) {
1024           literalstring *nexts = s -> hashlink;
1025           js   = (java_lang_String*) s->string;
1026           slot = (unicode_hashkey(js->value->data,js->count)) & (newhash.size-1);
1027
1028           s->hashlink = newhash.ptr[slot];
1029           newhash.ptr[slot] = s;
1030
1031           /* follow link in external hash chain */
1032           s = nexts;
1033         }
1034       }
1035
1036       /* dispose old table */
1037       MFREE (string_hash.ptr, void*, string_hash.size);
1038       string_hash = newhash;
1039     }
1040 #ifdef JOWENN_DEBUG1
1041         log_text("literalstring_u2: newly created");
1042 /*      utf_display(javastring_toutf(js,0));*/
1043 #endif
1044
1045     return (java_objectheader *) js;
1046 }
1047
1048 /******************** Function: literalstring_new *****************************
1049
1050     creates a new javastring with the text of the utf-symbol
1051     and inserts it into the string hashtable
1052
1053 *******************************************************************************/
1054
1055 java_objectheader *literalstring_new (utf *u)
1056 {
1057     char *utf_ptr = u->text;         /* pointer to current unicode character in utf string */
1058     u4 utflength  = utf_strlen(u);   /* length of utf-string if uncompressed */
1059     java_chararray *a;               /* u2-array constructed from utf string */
1060     u4 i;
1061 /*    log_text("literalstring_new"); */
1062 /*    utf_display(u);*/
1063     /*if (utflength==0) while (1) sleep(60);*/
1064 /*    log_text("------------------");    */
1065     /* allocate memory */
1066     a = lit_mem_alloc (sizeof(java_chararray) + sizeof(u2)*(utflength-1)+10 );
1067     /* convert utf-string to u2-array */
1068     for (i=0; i<utflength; i++) a->data[i] = utf_nextu2(&utf_ptr);
1069
1070     return literalstring_u2(a, utflength, false);
1071 }
1072
1073
1074 /********************** function: literalstring_free **************************
1075
1076         removes a javastring from memory
1077
1078 ******************************************************************************/
1079
1080 void literalstring_free (java_objectheader* sobj)
1081 {
1082         java_lang_String *s = (java_lang_String*) sobj;
1083         java_chararray *a = s->value;
1084
1085         log_text("literalstring_free called");
1086
1087         /* dispose memory of java.lang.String object */
1088         LFREE (s, java_lang_String);
1089         /* dispose memory of java-characterarray */
1090         LFREE (a, sizeof(java_chararray) + sizeof(u2)*(a->header.size-1)); /* +10 ?? */
1091 }
1092
1093
1094
1095
1096 void copy_vftbl(vftbl **dest, vftbl *src)
1097 {
1098     *dest = src;
1099 #if 0
1100     /* XXX this kind of copying does not work (in the general
1101      * case). The interface tables would have to be copied, too. I
1102      * don't see why we should make a copy anyway. -Edwin
1103      */
1104         *dest = mem_alloc(sizeof(vftbl) + sizeof(methodptr)*(src->vftbllength-1));
1105         memcpy(*dest, src, sizeof(vftbl) - sizeof(methodptr));
1106         memcpy(&(*dest)->table, &src->table, src->vftbllength * sizeof(methodptr));
1107 #endif
1108 }
1109
1110
1111 /******************************************************************************************
1112
1113         creates method signature (excluding return type) from array of
1114         class-objects representing the parameters of the method
1115
1116 *******************************************************************************************/
1117
1118
1119 utf *create_methodsig(java_objectarray* types, char *retType)
1120 {
1121     char *buffer;       /* buffer for building the desciptor */
1122     char *pos;          /* current position in buffer */
1123     utf *result;        /* the method signature */
1124     u4 buffer_size = 3; /* minimal size=3: room for parenthesis and returntype */
1125     u4 i, j;
1126
1127     if (!types) return NULL;
1128
1129     /* determine required buffer-size */
1130     for (i=0;i<types->header.size;i++) {
1131       classinfo *c = (classinfo *) types->data[i];
1132       buffer_size  = buffer_size + c->name->blength+2;
1133     }
1134
1135     if (retType) buffer_size+=strlen(retType);
1136
1137     /* allocate buffer */
1138     buffer = MNEW(u1, buffer_size);
1139     pos    = buffer;
1140
1141     /* method-desciptor starts with parenthesis */
1142     *pos++ = '(';
1143
1144     for (i=0;i<types->header.size;i++) {
1145
1146             char ch;
1147             /* current argument */
1148             classinfo *c = (classinfo *) types->data[i];
1149             /* current position in utf-text */
1150             char *utf_ptr = c->name->text;
1151
1152             /* determine type of argument */
1153             if ( (ch = utf_nextu2(&utf_ptr)) == '[' ) {
1154
1155                 /* arrayclass */
1156                 for ( utf_ptr--; utf_ptr<utf_end(c->name); utf_ptr++)
1157                    *pos++ = *utf_ptr; /* copy text */
1158
1159             } else
1160             {
1161                 /* check for primitive types */
1162                 for (j=0; j<PRIMITIVETYPE_COUNT; j++) {
1163
1164                         char *utf_pos   = utf_ptr-1;
1165                         char *primitive = primitivetype_table[j].wrapname;
1166
1167                         /* compare text */
1168                         while (utf_pos<utf_end(c->name))
1169                                 if (*utf_pos++ != *primitive++) goto nomatch;
1170
1171                         /* primitive type found */
1172                         *pos++ = primitivetype_table[j].typesig;
1173                         goto next_type;
1174
1175                 nomatch:
1176                 }
1177
1178                 /* no primitive type and no arrayclass, so must be object */
1179                 *pos++ = 'L';
1180                 /* copy text */
1181                 for ( utf_ptr--; utf_ptr<utf_end(c->name); utf_ptr++)
1182                         *pos++ = *utf_ptr;
1183                 *pos++ = ';';
1184
1185                 next_type:
1186             }
1187     }
1188
1189     *pos++ = ')';
1190
1191     if (retType) {
1192         for (i=0;i<strlen(retType);i++) {
1193                 *pos++=retType[i];
1194         }
1195     }
1196     /* create utf-string */
1197     result = utf_new(buffer,(pos-buffer));
1198     MFREE(buffer, u1, buffer_size);
1199
1200     return result;
1201 }
1202
1203
1204 /******************************************************************************************
1205
1206         retrieve the next argument or returntype from a descriptor
1207         and return the corresponding class
1208
1209 *******************************************************************************************/
1210
1211 classinfo *get_type(char **utf_ptr,char *desc_end, bool skip)
1212 {
1213     classinfo *c = class_from_descriptor(*utf_ptr,desc_end,utf_ptr,
1214                                          (skip) ? CLASSLOAD_SKIP : CLASSLOAD_LOAD);
1215     if (!c)
1216         /* unknown type */
1217         panic("illegal descriptor");
1218
1219     if (skip) return NULL;
1220
1221     use_class_as_object(c);
1222     return c;
1223 }
1224
1225
1226 /******************************************************************************************
1227
1228         use the descriptor of a method to generate a java/lang/Class array
1229         which contains the classes of the parametertypes of the method
1230
1231 *******************************************************************************************/
1232
1233 java_objectarray* get_parametertypes(methodinfo *m)
1234 {
1235     utf  *descr    =  m->descriptor;    /* method-descriptor */
1236     char *utf_ptr  =  descr->text;      /* current position in utf-text */
1237     char *desc_end =  utf_end(descr);   /* points behind utf string     */
1238     java_objectarray* result;
1239     int parametercount = 0;
1240     int i;
1241
1242     /* skip '(' */
1243     utf_nextu2(&utf_ptr);
1244
1245     /* determine number of parameters */
1246     while ( *utf_ptr != ')' ) {
1247         get_type(&utf_ptr,desc_end,true);
1248         parametercount++;
1249     }
1250
1251     /* create class-array */
1252     result = builtin_anewarray(parametercount, class_java_lang_Class);
1253
1254     utf_ptr  =  descr->text;
1255     utf_nextu2(&utf_ptr);
1256
1257     /* get returntype classes */
1258     for (i = 0; i < parametercount; i++)
1259             result->data[i] = (java_objectheader *) get_type(&utf_ptr,desc_end, false);
1260
1261     return result;
1262 }
1263
1264
1265 /******************************************************************************************
1266
1267         get the returntype class of a method
1268
1269 *******************************************************************************************/
1270
1271 classinfo *get_returntype(methodinfo *m)
1272 {
1273         char *utf_ptr;   /* current position in utf-text */
1274         char *desc_end;  /* points behind utf string     */
1275         utf *desc = m->descriptor; /* method-descriptor  */
1276
1277         utf_ptr  = desc->text;
1278         desc_end = utf_end(desc);
1279
1280         /* ignore parametertypes */
1281         while ((utf_ptr<desc_end) && utf_nextu2(&utf_ptr)!=')')
1282                 /* skip */ ;
1283
1284         return get_type(&utf_ptr,desc_end, false);
1285 }
1286
1287
1288 /*****************************************************************************/
1289 /*****************************************************************************/
1290
1291
1292 /*--------------------------------------------------------*/
1293 void printNativeCall(nativeCall nc) {
1294   int i,j;
1295
1296   printf("\n%s's Native Methods call:\n",nc.classname); fflush(stdout);
1297   for (i=0; i<nc.methCnt; i++) {
1298       printf("\tMethod=%s %s\n",nc.methods[i].methodname, nc.methods[i].descriptor);fflush(stdout);
1299
1300     for (j=0; j<nc.callCnt[i]; j++) {
1301         printf("\t\t<%i,%i>aCalled = %s %s %s\n",i,j,
1302         nc.methods[i].methodCalls[j].classname,
1303         nc.methods[i].methodCalls[j].methodname,
1304         nc.methods[i].methodCalls[j].descriptor);fflush(stdout);
1305       }
1306     }
1307   printf("-+++++--------------------\n");fflush(stdout);
1308 }
1309
1310 /*--------------------------------------------------------*/
1311 void printCompNativeCall(nativeCompCall nc) {
1312   int i,j;
1313   printf("printCompNativeCall BEGIN\n");fflush(stdout);
1314   printf("\n%s's Native Comp Methods call:\n",nc.classname->text);fflush(stdout);
1315   utf_display(nc.classname); fflush(stdout);
1316
1317   for (i=0; i<nc.methCnt; i++) {
1318     printf("\tMethod=%s %s\n",nc.methods[i].methodname->text,nc.methods[i].descriptor->text);fflush(stdout);
1319     utf_display(nc.methods[i].methodname); fflush(stdout);
1320     utf_display(nc.methods[i].descriptor);fflush(stdout);
1321     printf("\n");fflush(stdout);
1322
1323     for (j=0; j<nc.callCnt[i]; j++) {
1324       printf("\t\t<%i,%i>bCalled = ",i,j);fflush(stdout);
1325         utf_display(nc.methods[i].methodCalls[j].classname);fflush(stdout);
1326         utf_display(nc.methods[i].methodCalls[j].methodname); fflush(stdout);
1327         utf_display(nc.methods[i].methodCalls[j].descriptor);fflush(stdout);
1328         printf("\n");fflush(stdout);
1329       }
1330     }
1331 printf("---------------------\n");fflush(stdout);
1332 }
1333
1334
1335 /*--------------------------------------------------------*/
1336 classMeth findNativeMethodCalls(utf *c, utf *m, utf *d )
1337 {
1338     int i = 0;
1339     int j = 0;
1340     int cnt = 0;
1341     classMeth mc;
1342     mc.i_class = i;
1343     mc.j_method = j;
1344     mc.methCnt = cnt;
1345
1346     return mc;
1347 }
1348
1349 /*--------------------------------------------------------*/
1350 nativeCall* findNativeClassCalls(char *aclassname ) {
1351 int i;
1352
1353 for (i=0;i<NATIVECALLSSIZE; i++) {
1354    /* convert table to utf later to speed up search */
1355    if (strcmp(nativeCalls[i].classname, aclassname) == 0)
1356         return &nativeCalls[i];
1357    }
1358
1359 return NULL;
1360 }
1361 /*--------------------------------------------------------*/
1362 /*--------------------------------------------------------*/
1363 void utfNativeCall(nativeCall nc, nativeCompCall *ncc) {
1364   int i,j;
1365
1366
1367   ncc->classname = utf_new_char(nc.classname);
1368   ncc->methCnt = nc.methCnt;
1369
1370   for (i=0; i<nc.methCnt; i++) {
1371     ncc->methods[i].methodname = utf_new_char(nc.methods[i].methodname);
1372     ncc->methods[i].descriptor = utf_new_char(nc.methods[i].descriptor);
1373     ncc->callCnt[i] = nc.callCnt[i];
1374
1375     for (j=0; j<nc.callCnt[i]; j++) {
1376
1377         ncc->methods[i].methodCalls[j].classname  = utf_new_char(nc.methods[i].methodCalls[j].classname);
1378
1379         if (strcmp("", nc.methods[i].methodCalls[j].methodname) != 0) {
1380           ncc->methods[i].methodCalls[j].methodname = utf_new_char(nc.methods[i].methodCalls[j].methodname);
1381           ncc->methods[i].methodCalls[j].descriptor = utf_new_char(nc.methods[i].methodCalls[j].descriptor);
1382           }
1383         else {
1384           ncc->methods[i].methodCalls[j].methodname = NULL;
1385           ncc->methods[i].methodCalls[j].descriptor = NULL;
1386           }
1387       }
1388     }
1389 }
1390
1391
1392
1393 /*--------------------------------------------------------*/
1394
1395 bool natcall2utf(bool natcallcompdone) {
1396 int i;
1397
1398 if (natcallcompdone)
1399         return true;
1400
1401 for (i=0;i<NATIVECALLSSIZE; i++) {
1402    utfNativeCall  (nativeCalls[i], &nativeCompCalls[i]);
1403    }
1404
1405 return true;
1406 }
1407 /*--------------------------------------------------------*/
1408
1409
1410 /*
1411  * These are local overrides for various environment variables in Emacs.
1412  * Please do not remove this and leave it at the end of the file, where
1413  * Emacs will automagically detect them.
1414  * ---------------------------------------------------------------------
1415  * Local variables:
1416  * mode: c
1417  * indent-tabs-mode: t
1418  * c-basic-offset: 4
1419  * tab-width: 4
1420  * End:
1421  */