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 708 2003-12-07 17:31:28Z twisti $
  35
  36 */
  37
  38
  39 #include <stdlib.h>
  40 #include <unistd.h>
  41 #include <time.h>
  42 #include <math.h>
  43 #include <string.h>
  44 #include <assert.h>
  45 #include <sys/time.h>
  46 #include <utime.h>
  47
  48 #include "config.h"
  49 #include "global.h"
  50 #include "jni.h"
  51 #include "native.h"
  52 #include "nativetypes.hh"
  53 #include "builtin.h"
  54 #include "asmpart.h"
  55 #include "tables.h"
  56 #include "loader.h"
  57 #include "toolbox/loging.h"
  58 #include "toolbox/memory.h"
  59 #include "threads/thread.h"
  60 #include "threads/threadio.h"
  61 #include "threads/locks.h"
  62
  63 /* Include files for IO functions */
  64
  65 #include <fcntl.h>
  66 #include <dirent.h>
  67 #include <sys/types.h>
  68 #ifdef _OSF_SOURCE
  69 #include <sys/mode.h>
  70 #endif
  71 #include <sys/stat.h>
  72
  73 #include "threads/threadio.h"
  74
  75 /* searchpath for classfiles */
  76 char *classpath;
  77
  78 /* for java-string to char conversion */
  79 #define MAXSTRINGSIZE 1000
  80
  81 /******************** systemclasses required for native methods ***************/
  82
  83 classinfo *class_java_lang_Class;
  84 classinfo *class_java_lang_VMClass;
  85 methodinfo *method_vmclass_init;
  86 /* static classinfo *class_java_lang_Cloneable=0; */ /* now in global.h */
  87 classinfo *class_java_lang_CloneNotSupportedException;
  88 classinfo *class_java_lang_System;
  89 classinfo *class_java_lang_ClassLoader;
  90 classinfo *class_java_lang_ClassNotFoundException;
  91 classinfo *class_java_lang_LinkageError;
  92 classinfo *class_java_lang_InstantiationException;
  93 classinfo *class_java_lang_NoSuchMethodError;
  94 classinfo *class_java_lang_NoSuchFieldError;
  95 classinfo *class_java_lang_ClassFormatError;
  96 classinfo *class_java_lang_IllegalArgumentException;
  97 classinfo *class_java_lang_ArrayIndexOutOfBoundsException;
  98 classinfo *class_java_lang_NoSuchFieldException;
  99 classinfo *class_java_io_SyncFailedException;
 100 classinfo *class_java_io_IOException;
 101 classinfo *class_java_io_FileNotFoundException;
 102 classinfo *class_java_io_UnixFileSystem;
 103 classinfo *class_java_security_PrivilegedActionException;
 104 classinfo *class_java_net_UnknownHostException;
 105 classinfo *class_java_net_SocketException;
 106 classinfo *class_java_lang_NoSuchMethodException;
 107 classinfo *class_java_lang_Double;
 108 classinfo *class_java_lang_Float;
 109 classinfo *class_java_lang_Long;
 110 classinfo *class_java_lang_Byte;
 111 classinfo *class_java_lang_Short;
 112 classinfo *class_java_lang_Boolean;
 113 classinfo *class_java_lang_Void;
 114 classinfo *class_java_lang_Character;
 115 classinfo *class_java_lang_Integer;
 116
 117 /* the system classloader object */
 118 struct java_lang_ClassLoader *SystemClassLoader = NULL;
 119
 120 /* for raising exceptions from native methods */
 121 java_objectheader* exceptionptr = NULL;
 122
 123 /************* use classinfo structure as java.lang.Class object **************/
 124
 125 void use_class_as_object(classinfo *c)
 126 {
 127         vftbl *vt;
 128         vftbl *newtbl;
 129
 130         if (!class_java_lang_Class)
 131                 class_java_lang_Class = class_new(utf_new_char ("java/lang/Class"));
 132
 133         vt = class_java_lang_Class->vftbl;
 134
 135
 136         if (!c->classvftbl) {
 137                 c->classvftbl = true;
 138
 139                 /*                copy_vftbl(&newtbl, vt);
 140                                                   newtbl->class = c->header.vftbl->class;
 141                                                   newtbl->baseval = c->header.vftbl->baseval;
 142                                                   newtbl->diffval = c->header.vftbl->diffval;
 143                                                   c->header.vftbl = newtbl;*/
 144
 145                 c->header.vftbl = class_java_lang_Class->vftbl;
 146
 147                 if (!class_java_lang_VMClass) {
 148                         class_java_lang_VMClass =
 149                                 loader_load(utf_new_char("java/lang/VMClass"));
 150
 151                         method_vmclass_init =
 152                                 class_findmethod(class_java_lang_VMClass,
 153                                                                  utf_new_char("<init>"),
 154                                                                  utf_new_char("(Lgnu/classpath/RawData;)V"));
 155
 156                         if (method_vmclass_init == 0) {
 157                                 class_showmethods(class_java_lang_VMClass);
 158                                 panic("Needed class initializer for VMClass could not be found");
 159                         }
 160                 }
 161                 {
 162                         java_objectheader *vmo = builtin_new(class_java_lang_VMClass);
 163
 164                         if (!vmo) panic("Error while creating instance of java/lang/VMClass");
 165                         asm_calljavamethod(method_vmclass_init, vmo, c, NULL, NULL);
 166                         c->vmClass = (java_lang_VMClass *) vmo;
 167                         /*log_text("VMCLASS has been attached");*/
 168                 }
 169         }
 170 }
 171
 172
 173 /*************************** include native methods ***************************/
 174
 175 #ifdef USE_GTK
 176 #include "nat/GdkGraphics.c"
 177 #include "nat/GtkComponentPeer.c"
 178 #include "nat/GdkPixbufDecoder.c"
 179 #include "nat/GtkScrollPanePeer.c"
 180 #include "nat/GtkFileDialogPeer.c"
 181 #include "nat/GtkLabelPeer.c"
 182 #endif
 183
 184
 185 /************************** tables for methods ********************************/
 186
 187 #undef JOWENN_DEBUG
 188 #undef JOWENN_DEBUG1
 189
 190 /* table for locating native methods */
 191 static struct nativeref {
 192         char *classname;
 193         char *methodname;
 194         char *descriptor;
 195         bool isstatic;
 196         functionptr func;
 197 } nativetable [] = {
 198
 199 #include "nativetable.hh"
 200
 201 };
 202
 203
 204 #define NATIVETABLESIZE  (sizeof(nativetable)/sizeof(struct nativeref))
 205
 206 /* table for fast string comparison */
 207 static struct nativecompref {
 208         utf *classname;
 209         utf *methodname;
 210         utf *descriptor;
 211         bool isstatic;
 212         functionptr func;
 213 } nativecomptable [NATIVETABLESIZE];
 214
 215 /* string comparsion table initialized */
 216 static bool nativecompdone = false;
 217
 218
 219 /******************************************************************************/
 220 /******************************************************************************/
 221 #include "natcalls.h"
 222
 223 /* string call comparison table initialized */
 224
 225 /******************************************************************************/
 226 /******************************************************************************/
 227
 228 /*--------------- native method calls & classes used -------------------------*/
 229
 230
 231
 232
 233 /*********************** function: native_loadclasses **************************
 234
 235         load classes required for native methods
 236
 237 *******************************************************************************/
 238
 239 void native_loadclasses()
 240 {
 241         static int classesLoaded=0; /*temporary hack JoWenn*/
 242         if (classesLoaded) return;
 243         classesLoaded=1;
 244 /*      log_text("loadclasses entered");*/
 245
 246
 247         /*class_java_lang_System =*/
 248                 (void)class_new ( utf_new_char ("java/lang/VMClass") );/*JoWenn*/
 249                 (void)class_new ( utf_new_char ("java/lang/Class") );/*JoWenn*/
 250         /* class_new adds the class to the list of classes to be loaded */
 251         if (!class_java_lang_Cloneable)
 252                 class_java_lang_Cloneable =
 253                         class_new ( utf_new_char ("java/lang/Cloneable") );
 254 /*      log_text("loadclasses: class_java_lang_Cloneable has been initialized");*/
 255         class_java_lang_CloneNotSupportedException =
 256                 class_new ( utf_new_char ("java/lang/CloneNotSupportedException") );
 257         if (!class_java_lang_Class)
 258                 class_java_lang_Class =
 259                         class_new ( utf_new_char ("java/lang/Class") );
 260         class_java_io_IOException =
 261                 class_new(utf_new_char("java/io/IOException"));
 262         class_java_io_FileNotFoundException =
 263                 class_new(utf_new_char("java/io/FileNotFoundException"));
 264         class_java_lang_ClassNotFoundException =
 265                 class_new(utf_new_char("java/lang/ClassNotFoundException"));
 266         class_java_lang_LinkageError =
 267                 class_new(utf_new_char("java/lang/LinkageError"));
 268         class_java_lang_InstantiationException =
 269                 class_new(utf_new_char("java/lang/InstantiationException"));
 270         class_java_lang_NoSuchMethodError =
 271                 class_new(utf_new_char("java/lang/NoSuchMethodError"));
 272         class_java_lang_NoSuchFieldError =
 273                 class_new(utf_new_char("java/lang/NoSuchFieldError"));
 274         class_java_lang_ClassFormatError =
 275                 class_new(utf_new_char("java/lang/ClassFormatError"));
 276         class_java_io_SyncFailedException =
 277                 class_new ( utf_new_char ("java/io/SyncFailedException") );
 278
 279 /*      log_text("native_loadclasses: class_new(\"java/lang/ClassLoader\")");           */
 280         class_java_lang_ClassLoader =
 281                 class_new ( utf_new_char ("java/lang/ClassLoader") );
 282 /*      log_text("native_loadclasses: class_new(\"java/security/PrivilegedActionException\")");         */
 283         class_java_security_PrivilegedActionException =
 284                 class_new(utf_new_char("java/security/PrivilegedActionException"));
 285
 286         class_java_net_UnknownHostException =
 287                 loader_load(utf_new_char("java/net/UnknownHostException"));
 288         class_java_net_SocketException =
 289                 loader_load(utf_new_char("java/net/SocketException"));
 290
 291         class_java_lang_IllegalArgumentException =
 292                 class_new(utf_new_char("java/lang/IllegalArgumentException"));
 293         class_java_lang_ArrayIndexOutOfBoundsException =
 294                 class_new(utf_new_char("java/lang/ArrayIndexOutOfBoundsException"));
 295         class_java_lang_NoSuchFieldException =
 296                 class_new(utf_new_char("java/lang/NoSuchFieldException"));
 297         class_java_lang_NoSuchMethodException =
 298                 class_new(utf_new_char("java/lang/NoSuchMethodException"));
 299
 300         /* load classes for wrapping primitive types */
 301         class_java_lang_Double =
 302                 class_new( utf_new_char ("java/lang/Double") );
 303         class_init(class_java_lang_Double);
 304
 305         class_java_lang_Float =
 306                 class_new(utf_new_char("java/lang/Float"));
 307         class_java_lang_Character =
 308                 class_new(utf_new_char("java/lang/Character"));
 309         class_java_lang_Integer =
 310                 class_new(utf_new_char("java/lang/Integer"));
 311         class_java_lang_Long =
 312                 class_new(utf_new_char("java/lang/Long"));
 313         class_java_lang_Byte =
 314                 class_new(utf_new_char("java/lang/Byte"));
 315         class_java_lang_Short =
 316                 class_new(utf_new_char("java/lang/Short"));
 317         class_java_lang_Boolean =
 318                 class_new(utf_new_char("java/lang/Boolean"));
 319         class_java_lang_Void =
 320                 class_new(utf_new_char("java/lang/Void"));
 321
 322         classesLoaded=1;
 323         log_text("native_loadclasses finished");
 324 }
 325
 326
 327 /*************** adds a class to the vector of loaded classes ****************/
 328
 329 void systemclassloader_addclass(classinfo *c)
 330 {
 331         methodinfo *m;
 332
 333         /* find method addClass of java.lang.ClassLoader */
 334         m = class_resolvemethod(
 335                                                         class_java_lang_ClassLoader,
 336                                                         utf_new_char("addClass"),
 337                                                         utf_new_char("(Ljava/lang/Class;)")
 338                                                         );
 339
 340         if (!m) panic("warning: cannot initialize classloader");
 341
 342         /* prepare class to be passed as argument */
 343         use_class_as_object (c);
 344
 345         /* call 'addClass' */
 346         asm_calljavamethod(m,
 347                                            (java_objectheader*) SystemClassLoader,
 348                                            (java_objectheader*) c,
 349                                            NULL,
 350                                            NULL
 351                                            );
 352 }
 353
 354 /*************** adds a library to the vector of loaded libraries *************/
 355
 356 void systemclassloader_addlibrary(java_objectheader *o)
 357 {
 358         log_text("systemclassloader_addlibrary");
 359 }
 360
 361 /*****************************************************************************
 362
 363         create systemclassloader object and initialize instance fields
 364
 365 ******************************************************************************/
 366
 367 void init_systemclassloader()
 368 {
 369   if (!SystemClassLoader) {
 370         native_loadclasses();
 371         log_text("Initializing new system class loader");
 372         /* create object and call initializer */
 373         SystemClassLoader = (java_lang_ClassLoader*) native_new_and_init(class_java_lang_ClassLoader);
 374         heap_addreference((void**) &SystemClassLoader);
 375
 376         /* systemclassloader has no parent */
 377         SystemClassLoader->parent      = NULL;
 378         SystemClassLoader->initialized = true;
 379   }
 380   log_text("leaving system class loader");
 381 }
 382
 383
 384 /********************* add loaded library name  *******************************/
 385
 386 void systemclassloader_addlibname(java_objectheader *o)
 387 {
 388         methodinfo *m;
 389         jfieldID id;
 390
 391         m = class_resolvemethod(loader_load(utf_new_char ("java/util/Vector")),
 392                                                         utf_new_char("addElement"),
 393                                                         utf_new_char("(Ljava/lang/Object;)V")
 394                                                         );
 395
 396         if (!m) panic("cannot initialize classloader");
 397
 398         id = envTable.GetStaticFieldID(&env,class_java_lang_ClassLoader,"loadedLibraryNames","Ljava/util/Vector;");
 399         if (!id) panic("can not access ClassLoader");
 400
 401         asm_calljavamethod(m,
 402                                            GetStaticObjectField(&env,class_java_lang_ClassLoader,id),
 403                                            o,
 404                                            NULL,
 405                                            NULL
 406                                            );
 407 }
 408
 409
 410 /********************* function: native_setclasspath **************************/
 411
 412 void native_setclasspath (char *path)
 413 {
 414         /* set searchpath for classfiles */
 415         classpath = path;
 416 }
 417
 418
 419 /***************** function: throw_classnotfoundexception *********************/
 420
 421 void throw_classnotfoundexception()
 422 {
 423     if (!class_java_lang_ClassNotFoundException) {
 424         panic("java.lang.ClassNotFoundException not found. Maybe wrong classpath?");
 425     }
 426
 427         /* throws a ClassNotFoundException */
 428         exceptionptr = native_new_and_init(class_java_lang_ClassNotFoundException);
 429 }
 430
 431
 432 void throw_classnotfoundexception2(utf* classname)
 433 {
 434         if (!class_java_lang_ClassNotFoundException) {
 435                 panic("java.lang.ClassNotFoundException not found. Maybe wrong classpath?");
 436         }
 437
 438         /* throws a ClassNotFoundException with message */
 439         exceptionptr = native_new_and_init_string(class_java_lang_ClassNotFoundException,
 440                                                                                           javastring_new(classname));
 441 }
 442
 443 void throw_linkageerror2(utf* classname)
 444 {
 445         if (!class_java_lang_LinkageError) {
 446                 panic("java.lang.LinkageError not found. Maybe wrong classpath?");
 447         }
 448
 449         /* throws a ClassNotFoundException with message */
 450         exceptionptr = native_new_and_init_string(class_java_lang_LinkageError,
 451                                                                                           javastring_new(classname));
 452 }
 453
 454
 455 /*********************** Function: native_findfunction *************************
 456
 457         Looks up a method (must have the same class name, method name, descriptor
 458         and 'static'ness) and returns a function pointer to it.
 459         Returns: function pointer or NULL (if there is no such method)
 460
 461         Remark: For faster operation, the names/descriptors are converted from C
 462                 strings to Unicode the first time this function is called.
 463
 464 *******************************************************************************/
 465
 466 functionptr native_findfunction(utf *cname, utf *mname,
 467                                                                 utf *desc, bool isstatic)
 468 {
 469         int i;
 470         /* entry of table for fast string comparison */
 471         struct nativecompref *n;
 472         /* for warning message if no function is found */
 473         char *buffer;
 474         int buffer_len;
 475
 476         isstatic = isstatic ? true : false;
 477
 478         if (!nativecompdone) {
 479                 for (i = 0; i < NATIVETABLESIZE; i++) {
 480                         nativecomptable[i].classname  =
 481                                 utf_new_char(nativetable[i].classname);
 482                         nativecomptable[i].methodname =
 483                                 utf_new_char(nativetable[i].methodname);
 484                         nativecomptable[i].descriptor =
 485                                 utf_new_char(nativetable[i].descriptor);
 486                         nativecomptable[i].isstatic   =
 487                                 nativetable[i].isstatic;
 488                         nativecomptable[i].func       =
 489                                 nativetable[i].func;
 490                 }
 491                 nativecompdone = true;
 492         }
 493
 494 #ifdef JOWENN_DEBUG
 495         buffer_len =
 496           utf_strlen(cname) + utf_strlen(mname) + utf_strlen(desc) + 64;
 497
 498         buffer = MNEW(char, buffer_len);
 499
 500         strcpy(buffer, "searching matching function in native table:");
 501         utf_sprint(buffer+strlen(buffer), mname);
 502         strcpy(buffer+strlen(buffer), ": ");
 503         utf_sprint(buffer+strlen(buffer), desc);
 504         strcpy(buffer+strlen(buffer), " for class ");
 505         utf_sprint(buffer+strlen(buffer), cname);
 506
 507         log_text(buffer);
 508
 509         MFREE(buffer, char, buffer_len);
 510 #endif
 511
 512         for (i = 0; i < NATIVETABLESIZE; i++) {
 513                 n = &(nativecomptable[i]);
 514
 515                 if (cname == n->classname && mname == n->methodname &&
 516                     desc == n->descriptor && isstatic == n->isstatic)
 517                         return n->func;
 518 #ifdef JOWENN_DEBUG
 519                         else {
 520                                 if (cname == n->classname && mname == n->methodname )  log_text("static and descriptor mismatch");
 521
 522                                 else {
 523                                         buffer_len =
 524                                           utf_strlen(n->classname) + utf_strlen(n->methodname) + utf_strlen(n->descriptor) + 64;
 525
 526                                         buffer = MNEW(char, buffer_len);
 527
 528                                         strcpy(buffer, "comparing with:");
 529                                         utf_sprint(buffer+strlen(buffer), n->methodname);
 530                                         strcpy (buffer+strlen(buffer), ": ");
 531                                         utf_sprint(buffer+strlen(buffer), n->descriptor);
 532                                         strcpy(buffer+strlen(buffer), " for class ");
 533                                         utf_sprint(buffer+strlen(buffer), n->classname);
 534
 535                                         log_text(buffer);
 536
 537                                         MFREE(buffer, char, buffer_len);
 538
 539                                 }
 540                         }
 541 #endif
 542         }
 543
 544
 545         /* no function was found, display warning */
 546
 547         buffer_len =
 548                 utf_strlen(cname) + utf_strlen(mname) + utf_strlen(desc) + 64;
 549
 550         buffer = MNEW(char, buffer_len);
 551
 552         strcpy(buffer, "warning: native function ");
 553         utf_sprint(buffer + strlen(buffer), mname);
 554         strcpy(buffer + strlen(buffer), ": ");
 555         utf_sprint(buffer + strlen(buffer), desc);
 556         strcpy(buffer + strlen(buffer), " not found in class ");
 557         utf_sprint(buffer + strlen(buffer), cname);
 558
 559         log_text(buffer);
 560
 561         MFREE(buffer, char, buffer_len);
 562
 563
 564         exit(1);
 565
 566
 567         return NULL;
 568 }
 569
 570
 571 /********************** function: javastring_new *******************************
 572
 573         creates a new object of type java/lang/String with the text of
 574         the specified utf8-string
 575
 576         return: pointer to the string or NULL if memory is exhausted.
 577
 578 *******************************************************************************/
 579
 580 java_objectheader *javastring_new (utf *u)
 581 {
 582         char *utf_ptr = u->text;        /* current utf character in utf string    */
 583         int utflength = utf_strlen(u);  /* length of utf-string if uncompressed   */
 584         java_lang_String *s;                /* result-string                          */
 585         java_chararray *a;
 586         s4 i;
 587
 588 /*      log_text("javastring_new");*/
 589
 590         s = (java_lang_String*) builtin_new (class_java_lang_String);
 591         a = builtin_newarray_char (utflength);
 592
 593         /* javastring or character-array could not be created */
 594         if ((!a) || (!s))
 595                 return NULL;
 596
 597         /* decompress utf-string */
 598         for (i = 0; i < utflength; i++)
 599                 a->data[i] = utf_nextu2(&utf_ptr);
 600
 601         /* set fields of the javastring-object */
 602         s->value  = a;
 603         s->offset = 0;
 604         s->count  = utflength;
 605
 606         return (java_objectheader*) s;
 607 }
 608
 609 /********************** function: javastring_new_char **************************
 610
 611         creates a new java/lang/String object which contains the convertet
 612         C-string passed via text.
 613
 614         return: the object pointer or NULL if memory is exhausted.
 615
 616 *******************************************************************************/
 617
 618 java_objectheader *javastring_new_char (char *text)
 619 {
 620         s4 i;
 621         s4 len = strlen(text); /* length of the string */
 622         java_lang_String *s;   /* result-string */
 623         java_chararray *a;
 624
 625         /*log_text("javastring_new_char");*/
 626         s = (java_lang_String*) builtin_new (class_java_lang_String);
 627         a = builtin_newarray_char (len);
 628
 629         /* javastring or character-array could not be created */
 630         if ((!a) || (!s)) return NULL;
 631
 632         /* copy text */
 633         for (i = 0; i < len; i++)
 634                 a->data[i] = text[i];
 635
 636         /* set fields of the javastring-object */
 637         s->value = a;
 638         s->offset = 0;
 639         s->count = len;
 640
 641         return (java_objectheader*) s;
 642 }
 643
 644
 645 /************************* function javastring_tochar **************************
 646
 647         converts a Java string into a C string.
 648
 649         return: pointer to C string
 650
 651         Caution: every call of this function overwrites the previous string !!!
 652
 653 *******************************************************************************/
 654
 655 static char stringbuffer[MAXSTRINGSIZE];
 656
 657 char *javastring_tochar (java_objectheader *so)
 658 {
 659         java_lang_String *s = (java_lang_String*) so;
 660         java_chararray *a;
 661         s4 i;
 662
 663         log_text("javastring_tochar");
 664
 665         if (!s)
 666                 return "";
 667         a = s->value;
 668         if (!a)
 669                 return "";
 670         if (s->count > MAXSTRINGSIZE)
 671                 return "";
 672         for (i = 0; i < s->count; i++)
 673                 stringbuffer[i] = a->data[s->offset+i];
 674         stringbuffer[i] = '\0';
 675         return stringbuffer;
 676 }
 677
 678
 679 /****************** function class_findfield_approx ****************************
 680
 681         searches in 'classinfo'-structure for a field with the
 682         specified name
 683
 684 *******************************************************************************/
 685
 686 fieldinfo *class_findfield_approx(classinfo *c, utf *name)
 687 {
 688         s4 i;
 689         for (i = 0; i < c->fieldscount; i++) {
 690                 /* compare field names */
 691                 if ((c->fields[i].name == name))
 692                         return &(c->fields[i]);
 693         }
 694
 695         /* field was not found, raise exception */
 696         exceptionptr = native_new_and_init(class_java_lang_NoSuchFieldException);
 697
 698         return NULL;
 699 }
 700
 701 s4 class_findfield_index_approx (classinfo *c, utf *name)
 702 {
 703         s4 i;
 704         for (i = 0; i < c->fieldscount; i++) {
 705                 /* compare field names */
 706                 if ((c->fields[i].name == name))
 707                         return i;
 708                 }
 709
 710         /* field was not found, raise exception */
 711         exceptionptr = native_new_and_init(class_java_lang_NoSuchFieldException);
 712         return -1;
 713 }
 714
 715
 716 /********************** function: native_new_and_init *************************
 717
 718         Creates a new object on the heap and calls the initializer.
 719         Returns the object pointer or NULL if memory is exhausted.
 720
 721 *******************************************************************************/
 722
 723 java_objectheader *native_new_and_init(classinfo *c)
 724 {
 725         methodinfo *m;
 726         java_objectheader *o = builtin_new(c);          /* create object          */
 727
 728         /*
 729         printf("native_new_and_init ");
 730         utf_display(c->name);
 731         printf("\n");
 732         */
 733         if (!o) return NULL;
 734         /* printf("o!=NULL\n"); */
 735         /* find initializer */
 736
 737         m = class_findmethod(c, utf_new_char("<init>"), utf_new_char("()V"));
 738
 739         if (!m) {                                       /* initializer not found  */
 740                 if (verbose) {
 741                         char logtext[MAXLOGTEXT];
 742                         sprintf(logtext, "Warning: class has no instance-initializer: ");
 743                         utf_sprint(logtext + strlen(logtext), c->name);
 744                         dolog(logtext);
 745                 }
 746                 return o;
 747         }
 748
 749         /* call initializer */
 750
 751         asm_calljavamethod(m, o, NULL, NULL, NULL);
 752
 753         return o;
 754 }
 755
 756
 757 java_objectheader *native_new_and_init_string(classinfo *c, java_lang_String *s)
 758 {
 759         methodinfo *m;
 760         java_objectheader *o = builtin_new(c);          /* create object          */
 761
 762         if (!o) return NULL;
 763
 764         /* find initializer */
 765
 766         m = class_findmethod(c,
 767                                                  utf_new_char("<init>"),
 768                                                  utf_new_char("(Ljava/lang/String;)V"));
 769
 770         if (!m) {                                       /* initializer not found  */
 771                 if (verbose) {
 772                         char logtext[MAXLOGTEXT];
 773                         sprintf(logtext, "Warning: class has no instance-initializer: ");
 774                         utf_sprint(logtext + strlen(logtext), c->name);
 775                         dolog(logtext);
 776                 }
 777                 return o;
 778         }
 779
 780         /* call initializer */
 781
 782         asm_calljavamethod(m, o, s, NULL, NULL);
 783
 784         return o;
 785 }
 786
 787
 788 /******************** function: stringtable_update ****************************
 789
 790         traverses the javastring hashtable and sets the vftbl-entries of
 791         javastrings which were temporarily set to NULL, because
 792         java.lang.Object was not yet loaded
 793
 794 *******************************************************************************/
 795
 796 void stringtable_update ()
 797 {
 798         java_lang_String *js;
 799         java_chararray *a;
 800         literalstring *s;       /* hashtable entry */
 801         int i;
 802
 803         for (i = 0; i < string_hash.size; i++) {
 804                 s = string_hash.ptr[i];
 805                 if (s) {
 806                         while (s) {
 807
 808                                 js = (java_lang_String *) s->string;
 809
 810                                 if (!js || !(a = js->value))
 811                                         /* error in hashtable found */
 812                                         panic("invalid literalstring in hashtable");
 813
 814                                 if (!js->header.vftbl)
 815                                         /* vftbl of javastring is NULL */
 816                                         js->header.vftbl = class_java_lang_String -> vftbl;
 817
 818                                 if (!a->header.objheader.vftbl)
 819                                         /* vftbl of character-array is NULL */
 820                                         a->header.objheader.vftbl = primitivetype_table[ARRAYTYPE_CHAR].arrayvftbl;
 821
 822                                 /* follow link in external hash chain */
 823                                 s = s->hashlink;
 824                         }
 825                 }
 826         }
 827 }
 828
 829
 830 /************************* function: u2_utflength ***************************
 831
 832         returns the utf length in bytes of a u2 array
 833
 834 *****************************************************************************/
 835
 836
 837 u4 u2_utflength(u2 *text, u4 u2_length)
 838 {
 839         u4 result_len =  0;  /* utf length in bytes  */
 840         u2 ch;               /* current unicode character */
 841         u4 len;
 842
 843         for (len = 0; len < u2_length; len++) {
 844
 845           /* next unicode character */
 846           ch = *text++;
 847
 848           /* determine bytes required to store unicode character as utf */
 849           if (ch && (ch < 0x80))
 850             result_len++;
 851           else if (ch < 0x800)
 852             result_len += 2;
 853           else
 854             result_len += 3;
 855         }
 856
 857     return result_len;
 858 }
 859
 860 /********************* function: utf_new_u2 ***********************************
 861
 862         make utf symbol from u2 array,
 863         if isclassname is true '.' is replaced by '/'
 864
 865 *******************************************************************************/
 866
 867 utf *utf_new_u2(u2 *unicode_pos, u4 unicode_length, bool isclassname)
 868 {
 869         char *buffer; /* memory buffer for  unicode characters */
 870         char *pos;    /* pointer to current position in buffer */
 871         u4 left;      /* unicode characters left */
 872         u4 buflength; /* utf length in bytes of the u2 array  */
 873         utf *result;  /* resulting utf-string */
 874         int i;
 875
 876         /* determine utf length in bytes and allocate memory */
 877         /* printf("utf_new_u2: unicode_length=%d\n",unicode_length);            */
 878         buflength = u2_utflength(unicode_pos, unicode_length);
 879         buffer    = MNEW(char,buflength);
 880
 881         /* memory allocation failed */
 882         if (!buffer) {
 883                 printf("length: %d\n",buflength);
 884                 log_text("utf_new_u2:buffer==NULL");
 885         }
 886
 887         left = buflength;
 888         pos  = buffer;
 889
 890         for (i = 0; i++ < unicode_length; unicode_pos++) {
 891                 /* next unicode character */
 892                 u2 c = *unicode_pos;
 893
 894                 if ((c != 0) && (c < 0x80)) {
 895                 /* 1 character */
 896                 left--;
 897                 if ((int) left < 0) break;
 898                 /* convert classname */
 899                 if (isclassname && c=='.')
 900                   *pos++ = '/';
 901                 else
 902                   *pos++ = (char) c;
 903                 } else if (c < 0x800) {
 904                 /* 2 characters */
 905                 unsigned char high = c >> 6;
 906                 unsigned char low  = c & 0x3F;
 907                 left = left - 2;
 908                 if ((int) left < 0) break;
 909                 *pos++ = high | 0xC0;
 910                 *pos++ = low  | 0x80;
 911                 } else {
 912                 /* 3 characters */
 913                 char low  = c & 0x3f;
 914                 char mid  = (c >> 6) & 0x3F;
 915                 char high = c >> 12;
 916                 left = left - 3;
 917                 if ((int) left < 0) break;
 918                 *pos++ = high | 0xE0;
 919                 *pos++ = mid  | 0x80;
 920                 *pos++ = low  | 0x80;
 921                 }
 922         }
 923
 924         /* insert utf-string into symbol-table */
 925         result = utf_new(buffer,buflength);
 926
 927         MFREE(buffer, char, buflength);
 928         return result;
 929 }
 930
 931 /********************* function: javastring_toutf *****************************
 932
 933         make utf symbol from javastring
 934
 935 *******************************************************************************/
 936
 937 utf *javastring_toutf(java_lang_String *string, bool isclassname)
 938 {
 939         java_lang_String *str = (java_lang_String *) string;
 940 /*      printf("javastring_toutf offset: %d, len %d\n",str->offset, str->count);
 941         fflush(stdout);*/
 942         return utf_new_u2(str->value->data+str->offset,str->count, isclassname);
 943 }
 944
 945 /********************* function: literalstring_u2 *****************************
 946
 947     searches for the javastring with the specified u2-array in
 948     the string hashtable, if there is no such string a new one is
 949     created
 950
 951     if copymode is true a copy of the u2-array is made
 952
 953 *******************************************************************************/
 954
 955 java_objectheader *literalstring_u2 (java_chararray *a, u4 length, bool copymode )
 956 {
 957     literalstring *s;                /* hashtable element */
 958     java_lang_String *js;            /* u2-array wrapped in javastring */
 959     java_chararray *stringdata;      /* copy of u2-array */
 960     u4 key;
 961     u4 slot;
 962     u2 i;
 963
 964 #if JOWENN_DEBUG1
 965     printf("literalstring_u2: length: %d\n",length);
 966     log_text("literalstring_u2");
 967 #endif
 968
 969     /* find location in hashtable */
 970     key  = unicode_hashkey (a->data, length);
 971     slot = key & (string_hash.size-1);
 972     s    = string_hash.ptr[slot];
 973
 974     while (s) {
 975
 976       js = (java_lang_String *) s->string;
 977
 978       if (js->count == length) {
 979         /* compare text */
 980         for (i=0; i<length; i++)
 981           if (js->value->data[i] != a->data[i]) goto nomatch;
 982
 983         /* string already in hashtable, free memory */
 984         if (!copymode)
 985           lit_mem_free(a, sizeof(java_chararray) + sizeof(u2)*(length-1)+10);
 986
 987 #ifdef JOWENN_DEBUG1
 988         log_text("literalstring_u2: foundentry");
 989         utf_display(javastring_toutf(js,0));
 990 #endif
 991         return (java_objectheader *) js;
 992       }
 993
 994       nomatch:
 995       /* follow link in external hash chain */
 996       s = s->hashlink;
 997     }
 998
 999     if (copymode) {
1000       /* create copy of u2-array for new javastring */
1001       u4 arraysize = sizeof(java_chararray) + sizeof(u2)*(length-1)+10;
1002       stringdata = lit_mem_alloc ( arraysize );
1003       memcpy(stringdata, a, arraysize );
1004     }
1005     else
1006       stringdata = a;
1007
1008     /* location in hashtable found, complete arrayheader */
1009     stringdata -> header.objheader.vftbl = primitivetype_table[ARRAYTYPE_CHAR].arrayvftbl;
1010     stringdata -> header.size = length;
1011
1012     /* create new javastring */
1013     js = LNEW (java_lang_String);
1014     js -> header.vftbl = class_java_lang_String -> vftbl;
1015     js -> value  = stringdata;
1016     js -> offset = 0;
1017     js -> count  = length;
1018
1019     /* create new literalstring */
1020     s = NEW (literalstring);
1021     s->hashlink = string_hash.ptr[slot];
1022     s->string   = (java_objectheader *) js;
1023     string_hash.ptr[slot] = s;
1024
1025     /* update numbe of hashtable entries */
1026     string_hash.entries++;
1027
1028     /* reorganization of hashtable */
1029     if ( string_hash.entries > (string_hash.size*2)) {
1030
1031       /* reorganization of hashtable, average length of
1032          the external chains is approx. 2                */
1033
1034       u4 i;
1035       literalstring *s;
1036       hashtable newhash; /* the new hashtable */
1037
1038       /* create new hashtable, double the size */
1039       init_hashtable(&newhash, string_hash.size*2);
1040       newhash.entries=string_hash.entries;
1041
1042       /* transfer elements to new hashtable */
1043       for (i=0; i<string_hash.size; i++) {
1044         s = string_hash.ptr[i];
1045         while (s) {
1046           literalstring *nexts = s -> hashlink;
1047           js   = (java_lang_String*) s->string;
1048           slot = (unicode_hashkey(js->value->data,js->count)) & (newhash.size-1);
1049
1050           s->hashlink = newhash.ptr[slot];
1051           newhash.ptr[slot] = s;
1052
1053           /* follow link in external hash chain */
1054           s = nexts;
1055         }
1056       }
1057
1058       /* dispose old table */
1059       MFREE (string_hash.ptr, void*, string_hash.size);
1060       string_hash = newhash;
1061     }
1062 #ifdef JOWENN_DEBUG1
1063         log_text("literalstring_u2: newly created");
1064 /*      utf_display(javastring_toutf(js,0));*/
1065 #endif
1066
1067     return (java_objectheader *) js;
1068 }
1069
1070 /******************** Function: literalstring_new *****************************
1071
1072     creates a new javastring with the text of the utf-symbol
1073     and inserts it into the string hashtable
1074
1075 *******************************************************************************/
1076
1077 java_objectheader *literalstring_new (utf *u)
1078 {
1079     char *utf_ptr = u->text;         /* pointer to current unicode character in utf string */
1080     u4 utflength  = utf_strlen(u);   /* length of utf-string if uncompressed */
1081     java_chararray *a;               /* u2-array constructed from utf string */
1082     u4 i;
1083 /*    log_text("literalstring_new"); */
1084 /*    utf_display(u);*/
1085     /*if (utflength==0) while (1) sleep(60);*/
1086 /*    log_text("------------------");    */
1087     /* allocate memory */
1088     a = lit_mem_alloc (sizeof(java_chararray) + sizeof(u2)*(utflength-1)+10 );
1089     /* convert utf-string to u2-array */
1090     for (i=0; i<utflength; i++) a->data[i] = utf_nextu2(&utf_ptr);
1091
1092     return literalstring_u2(a, utflength, false);
1093 }
1094
1095
1096 /********************** function: literalstring_free **************************
1097
1098         removes a javastring from memory
1099
1100 ******************************************************************************/
1101
1102 void literalstring_free (java_objectheader* sobj)
1103 {
1104         java_lang_String *s = (java_lang_String*) sobj;
1105         java_chararray *a = s->value;
1106
1107         log_text("literalstring_free called");
1108
1109         /* dispose memory of java.lang.String object */
1110         LFREE (s, java_lang_String);
1111         /* dispose memory of java-characterarray */
1112         LFREE (a, sizeof(java_chararray) + sizeof(u2)*(a->header.size-1)); /* +10 ?? */
1113 }
1114
1115
1116
1117
1118 void copy_vftbl(vftbl **dest, vftbl *src)
1119 {
1120     *dest = src;
1121 #if 0
1122     /* XXX this kind of copying does not work (in the general
1123      * case). The interface tables would have to be copied, too. I
1124      * don't see why we should make a copy anyway. -Edwin
1125      */
1126         *dest = mem_alloc(sizeof(vftbl) + sizeof(methodptr)*(src->vftbllength-1));
1127         memcpy(*dest, src, sizeof(vftbl) - sizeof(methodptr));
1128         memcpy(&(*dest)->table, &src->table, src->vftbllength * sizeof(methodptr));
1129 #endif
1130 }
1131
1132
1133 /******************************************************************************************
1134
1135         creates method signature (excluding return type) from array of
1136         class-objects representing the parameters of the method
1137
1138 *******************************************************************************************/
1139
1140
1141 utf *create_methodsig(java_objectarray* types, char *retType)
1142 {
1143     char *buffer;       /* buffer for building the desciptor */
1144     char *pos;          /* current position in buffer */
1145     utf *result;        /* the method signature */
1146     u4 buffer_size = 3; /* minimal size=3: room for parenthesis and returntype */
1147     u4 i, j;
1148
1149     if (!types) return NULL;
1150
1151     /* determine required buffer-size */
1152     for (i=0;i<types->header.size;i++) {
1153       classinfo *c = (classinfo *) types->data[i];
1154       buffer_size  = buffer_size + c->name->blength+2;
1155     }
1156
1157     if (retType) buffer_size+=strlen(retType);
1158
1159     /* allocate buffer */
1160     buffer = MNEW(u1, buffer_size);
1161     pos    = buffer;
1162
1163     /* method-desciptor starts with parenthesis */
1164     *pos++ = '(';
1165
1166     for (i=0;i<types->header.size;i++) {
1167
1168             char ch;
1169             /* current argument */
1170             classinfo *c = (classinfo *) types->data[i];
1171             /* current position in utf-text */
1172             char *utf_ptr = c->name->text;
1173
1174             /* determine type of argument */
1175             if ( (ch = utf_nextu2(&utf_ptr)) == '[' ) {
1176
1177                 /* arrayclass */
1178                 for ( utf_ptr--; utf_ptr<utf_end(c->name); utf_ptr++)
1179                    *pos++ = *utf_ptr; /* copy text */
1180
1181             } else
1182             {
1183                 /* check for primitive types */
1184                 for (j=0; j<PRIMITIVETYPE_COUNT; j++) {
1185
1186                         char *utf_pos   = utf_ptr-1;
1187                         char *primitive = primitivetype_table[j].wrapname;
1188
1189                         /* compare text */
1190                         while (utf_pos<utf_end(c->name))
1191                                 if (*utf_pos++ != *primitive++) goto nomatch;
1192
1193                         /* primitive type found */
1194                         *pos++ = primitivetype_table[j].typesig;
1195                         goto next_type;
1196
1197                 nomatch:
1198                 }
1199
1200                 /* no primitive type and no arrayclass, so must be object */
1201                 *pos++ = 'L';
1202                 /* copy text */
1203                 for ( utf_ptr--; utf_ptr<utf_end(c->name); utf_ptr++)
1204                         *pos++ = *utf_ptr;
1205                 *pos++ = ';';
1206
1207                 next_type:
1208             }
1209     }
1210
1211     *pos++ = ')';
1212
1213     if (retType) {
1214         for (i=0;i<strlen(retType);i++) {
1215                 *pos++=retType[i];
1216         }
1217     }
1218     /* create utf-string */
1219     result = utf_new(buffer,(pos-buffer));
1220     MFREE(buffer, u1, buffer_size);
1221
1222     return result;
1223 }
1224
1225
1226 /******************************************************************************************
1227
1228         retrieve the next argument or returntype from a descriptor
1229         and return the corresponding class
1230
1231 *******************************************************************************************/
1232
1233 classinfo *get_type(char **utf_ptr,char *desc_end, bool skip)
1234 {
1235     classinfo *c = class_from_descriptor(*utf_ptr,desc_end,utf_ptr,
1236                                          (skip) ? CLASSLOAD_SKIP : CLASSLOAD_LOAD);
1237     if (!c)
1238         /* unknown type */
1239         panic("illegal descriptor");
1240
1241     if (skip) return NULL;
1242
1243     use_class_as_object(c);
1244     return c;
1245 }
1246
1247
1248 /******************************************************************************************
1249
1250         use the descriptor of a method to generate a java/lang/Class array
1251         which contains the classes of the parametertypes of the method
1252
1253 *******************************************************************************************/
1254
1255 java_objectarray* get_parametertypes(methodinfo *m)
1256 {
1257     utf  *descr    =  m->descriptor;    /* method-descriptor */
1258     char *utf_ptr  =  descr->text;      /* current position in utf-text */
1259     char *desc_end =  utf_end(descr);   /* points behind utf string     */
1260     java_objectarray* result;
1261     int parametercount = 0;
1262     int i;
1263
1264     /* skip '(' */
1265     utf_nextu2(&utf_ptr);
1266
1267     /* determine number of parameters */
1268     while ( *utf_ptr != ')' ) {
1269         get_type(&utf_ptr,desc_end,true);
1270         parametercount++;
1271     }
1272
1273     /* create class-array */
1274     result = builtin_anewarray(parametercount, class_java_lang_Class);
1275
1276     utf_ptr  =  descr->text;
1277     utf_nextu2(&utf_ptr);
1278
1279     /* get returntype classes */
1280     for (i = 0; i < parametercount; i++)
1281             result->data[i] = (java_objectheader *) get_type(&utf_ptr,desc_end, false);
1282
1283     return result;
1284 }
1285
1286
1287 /******************************************************************************************
1288
1289         get the returntype class of a method
1290
1291 *******************************************************************************************/
1292
1293 classinfo *get_returntype(methodinfo *m)
1294 {
1295         char *utf_ptr;   /* current position in utf-text */
1296         char *desc_end;  /* points behind utf string     */
1297         utf *desc = m->descriptor; /* method-descriptor  */
1298
1299         utf_ptr  = desc->text;
1300         desc_end = utf_end(desc);
1301
1302         /* ignore parametertypes */
1303         while ((utf_ptr<desc_end) && utf_nextu2(&utf_ptr)!=')')
1304                 /* skip */ ;
1305
1306         return get_type(&utf_ptr,desc_end, false);
1307 }
1308
1309
1310 /*****************************************************************************/
1311 /*****************************************************************************/
1312
1313
1314 /*--------------------------------------------------------*/
1315 void printNativeCall(nativeCall nc) {
1316   int i,j;
1317
1318   printf("\n%s's Native Methods call:\n",nc.classname); fflush(stdout);
1319   for (i=0; i<nc.methCnt; i++) {
1320       printf("\tMethod=%s %s\n",nc.methods[i].methodname, nc.methods[i].descriptor);fflush(stdout);
1321
1322     for (j=0; j<nc.callCnt[i]; j++) {
1323         printf("\t\t<%i,%i>aCalled = %s %s %s\n",i,j,
1324         nc.methods[i].methodCalls[j].classname,
1325         nc.methods[i].methodCalls[j].methodname,
1326         nc.methods[i].methodCalls[j].descriptor);fflush(stdout);
1327       }
1328     }
1329   printf("-+++++--------------------\n");fflush(stdout);
1330 }
1331
1332 /*--------------------------------------------------------*/
1333 void printCompNativeCall(nativeCompCall nc) {
1334   int i,j;
1335   printf("printCompNativeCall BEGIN\n");fflush(stdout);
1336   printf("\n%s's Native Comp Methods call:\n",nc.classname->text);fflush(stdout);
1337   utf_display(nc.classname); fflush(stdout);
1338
1339   for (i=0; i<nc.methCnt; i++) {
1340     printf("\tMethod=%s %s\n",nc.methods[i].methodname->text,nc.methods[i].descriptor->text);fflush(stdout);
1341     utf_display(nc.methods[i].methodname); fflush(stdout);
1342     utf_display(nc.methods[i].descriptor);fflush(stdout);
1343     printf("\n");fflush(stdout);
1344
1345     for (j=0; j<nc.callCnt[i]; j++) {
1346       printf("\t\t<%i,%i>bCalled = ",i,j);fflush(stdout);
1347         utf_display(nc.methods[i].methodCalls[j].classname);fflush(stdout);
1348         utf_display(nc.methods[i].methodCalls[j].methodname); fflush(stdout);
1349         utf_display(nc.methods[i].methodCalls[j].descriptor);fflush(stdout);
1350         printf("\n");fflush(stdout);
1351       }
1352     }
1353 printf("---------------------\n");fflush(stdout);
1354 }
1355
1356
1357 /*--------------------------------------------------------*/
1358 classMeth findNativeMethodCalls(utf *c, utf *m, utf *d )
1359 {
1360     int i = 0;
1361     int j = 0;
1362     int cnt = 0;
1363     classMeth mc;
1364     mc.i_class = i;
1365     mc.j_method = j;
1366     mc.methCnt = cnt;
1367
1368     return mc;
1369 }
1370
1371 /*--------------------------------------------------------*/
1372 nativeCall* findNativeClassCalls(char *aclassname ) {
1373 int i;
1374
1375 for (i=0;i<NATIVECALLSSIZE; i++) {
1376    /* convert table to utf later to speed up search */
1377    if (strcmp(nativeCalls[i].classname, aclassname) == 0)
1378         return &nativeCalls[i];
1379    }
1380
1381 return NULL;
1382 }
1383 /*--------------------------------------------------------*/
1384 /*--------------------------------------------------------*/
1385 void utfNativeCall(nativeCall nc, nativeCompCall *ncc) {
1386   int i,j;
1387
1388
1389   ncc->classname = utf_new_char(nc.classname);
1390   ncc->methCnt = nc.methCnt;
1391
1392   for (i=0; i<nc.methCnt; i++) {
1393     ncc->methods[i].methodname = utf_new_char(nc.methods[i].methodname);
1394     ncc->methods[i].descriptor = utf_new_char(nc.methods[i].descriptor);
1395     ncc->callCnt[i] = nc.callCnt[i];
1396
1397     for (j=0; j<nc.callCnt[i]; j++) {
1398
1399         ncc->methods[i].methodCalls[j].classname  = utf_new_char(nc.methods[i].methodCalls[j].classname);
1400
1401         if (strcmp("", nc.methods[i].methodCalls[j].methodname) != 0) {
1402           ncc->methods[i].methodCalls[j].methodname = utf_new_char(nc.methods[i].methodCalls[j].methodname);
1403           ncc->methods[i].methodCalls[j].descriptor = utf_new_char(nc.methods[i].methodCalls[j].descriptor);
1404           }
1405         else {
1406           ncc->methods[i].methodCalls[j].methodname = NULL;
1407           ncc->methods[i].methodCalls[j].descriptor = NULL;
1408           }
1409       }
1410     }
1411 }
1412
1413
1414
1415 /*--------------------------------------------------------*/
1416
1417 bool natcall2utf(bool natcallcompdone) {
1418 int i;
1419
1420 if (natcallcompdone)
1421         return true;
1422
1423 for (i=0;i<NATIVECALLSSIZE; i++) {
1424    utfNativeCall  (nativeCalls[i], &nativeCompCalls[i]);
1425    }
1426
1427 return true;
1428 }
1429 /*--------------------------------------------------------*/
1430
1431
1432 /*
1433  * These are local overrides for various environment variables in Emacs.
1434  * Please do not remove this and leave it at the end of the file, where
1435  * Emacs will automagically detect them.
1436  * ---------------------------------------------------------------------
1437  * Local variables:
1438  * mode: c
1439  * indent-tabs-mode: t
1440  * c-basic-offset: 4
1441  * tab-width: 4
1442  * End:
1443  */