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 724 2003-12-09 18:56:11Z edwin $
  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                         loader_load_sysclass(&class_java_lang_VMClass,
 149                                                                  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         loader_load_sysclass(&class_java_net_UnknownHostException,
 287                                                  utf_new_char("java/net/UnknownHostException"));
 288         loader_load_sysclass(&class_java_net_SocketException,
 289                                                  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_sysclass(NULL,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         dolog("throw_classnotfoundexception");
 424     if (!class_java_lang_ClassNotFoundException) {
 425         panic("java.lang.ClassNotFoundException not found. Maybe wrong classpath?");
 426     }
 427
 428         /* throws a ClassNotFoundException */
 429         exceptionptr = native_new_and_init(class_java_lang_ClassNotFoundException);
 430         dolog("set exceptionptr");
 431 }
 432
 433
 434 void throw_classnotfoundexception2(utf* classname)
 435 {
 436         dolog("throw_classnotfoundexception2");
 437         log_plain("Class: "); log_plain_utf(classname); log_nl();
 438
 439         if (!class_java_lang_ClassNotFoundException) {
 440                 panic("java.lang.ClassNotFoundException not found. Maybe wrong classpath?");
 441         }
 442
 443         /* throws a ClassNotFoundException with message */
 444         exceptionptr = native_new_and_init_string(class_java_lang_ClassNotFoundException,
 445                                                                                           javastring_new(classname));
 446         dolog("set exceptionptr");
 447 }
 448
 449 void throw_linkageerror2(utf* classname)
 450 {
 451         dolog("throw_linkageerror2");
 452         log_plain("Class: "); log_plain_utf(classname); log_nl();
 453
 454         if (!class_java_lang_LinkageError) {
 455                 panic("java.lang.LinkageError not found. Maybe wrong classpath?");
 456         }
 457
 458         /* throws a ClassNotFoundException with message */
 459         exceptionptr = native_new_and_init_string(class_java_lang_LinkageError,
 460                                                                                           javastring_new(classname));
 461         dolog("set exceptionptr");
 462 }
 463
 464
 465 /*********************** Function: native_findfunction *************************
 466
 467         Looks up a method (must have the same class name, method name, descriptor
 468         and 'static'ness) and returns a function pointer to it.
 469         Returns: function pointer or NULL (if there is no such method)
 470
 471         Remark: For faster operation, the names/descriptors are converted from C
 472                 strings to Unicode the first time this function is called.
 473
 474 *******************************************************************************/
 475
 476 functionptr native_findfunction(utf *cname, utf *mname,
 477                                                                 utf *desc, bool isstatic)
 478 {
 479         int i;
 480         /* entry of table for fast string comparison */
 481         struct nativecompref *n;
 482         /* for warning message if no function is found */
 483         char *buffer;
 484         int buffer_len;
 485
 486         isstatic = isstatic ? true : false;
 487
 488         if (!nativecompdone) {
 489                 for (i = 0; i < NATIVETABLESIZE; i++) {
 490                         nativecomptable[i].classname  =
 491                                 utf_new_char(nativetable[i].classname);
 492                         nativecomptable[i].methodname =
 493                                 utf_new_char(nativetable[i].methodname);
 494                         nativecomptable[i].descriptor =
 495                                 utf_new_char(nativetable[i].descriptor);
 496                         nativecomptable[i].isstatic   =
 497                                 nativetable[i].isstatic;
 498                         nativecomptable[i].func       =
 499                                 nativetable[i].func;
 500                 }
 501                 nativecompdone = true;
 502         }
 503
 504 #ifdef JOWENN_DEBUG
 505         buffer_len =
 506           utf_strlen(cname) + utf_strlen(mname) + utf_strlen(desc) + 64;
 507
 508         buffer = MNEW(char, buffer_len);
 509
 510         strcpy(buffer, "searching matching function in native table:");
 511         utf_sprint(buffer+strlen(buffer), mname);
 512         strcpy(buffer+strlen(buffer), ": ");
 513         utf_sprint(buffer+strlen(buffer), desc);
 514         strcpy(buffer+strlen(buffer), " for class ");
 515         utf_sprint(buffer+strlen(buffer), cname);
 516
 517         log_text(buffer);
 518
 519         MFREE(buffer, char, buffer_len);
 520 #endif
 521
 522         for (i = 0; i < NATIVETABLESIZE; i++) {
 523                 n = &(nativecomptable[i]);
 524
 525                 if (cname == n->classname && mname == n->methodname &&
 526                     desc == n->descriptor && isstatic == n->isstatic)
 527                         return n->func;
 528 #ifdef JOWENN_DEBUG
 529                         else {
 530                                 if (cname == n->classname && mname == n->methodname )  log_text("static and descriptor mismatch");
 531
 532                                 else {
 533                                         buffer_len =
 534                                           utf_strlen(n->classname) + utf_strlen(n->methodname) + utf_strlen(n->descriptor) + 64;
 535
 536                                         buffer = MNEW(char, buffer_len);
 537
 538                                         strcpy(buffer, "comparing with:");
 539                                         utf_sprint(buffer+strlen(buffer), n->methodname);
 540                                         strcpy (buffer+strlen(buffer), ": ");
 541                                         utf_sprint(buffer+strlen(buffer), n->descriptor);
 542                                         strcpy(buffer+strlen(buffer), " for class ");
 543                                         utf_sprint(buffer+strlen(buffer), n->classname);
 544
 545                                         log_text(buffer);
 546
 547                                         MFREE(buffer, char, buffer_len);
 548
 549                                 }
 550                         }
 551 #endif
 552         }
 553
 554
 555         /* no function was found, display warning */
 556
 557         buffer_len =
 558                 utf_strlen(cname) + utf_strlen(mname) + utf_strlen(desc) + 64;
 559
 560         buffer = MNEW(char, buffer_len);
 561
 562         strcpy(buffer, "warning: native function ");
 563         utf_sprint(buffer + strlen(buffer), mname);
 564         strcpy(buffer + strlen(buffer), ": ");
 565         utf_sprint(buffer + strlen(buffer), desc);
 566         strcpy(buffer + strlen(buffer), " not found in class ");
 567         utf_sprint(buffer + strlen(buffer), cname);
 568
 569         log_text(buffer);
 570
 571         MFREE(buffer, char, buffer_len);
 572
 573
 574         exit(1);
 575
 576
 577         return NULL;
 578 }
 579
 580
 581 /********************** function: javastring_new *******************************
 582
 583         creates a new object of type java/lang/String with the text of
 584         the specified utf8-string
 585
 586         return: pointer to the string or NULL if memory is exhausted.
 587
 588 *******************************************************************************/
 589
 590 java_objectheader *javastring_new (utf *u)
 591 {
 592         char *utf_ptr = u->text;        /* current utf character in utf string    */
 593         int utflength = utf_strlen(u);  /* length of utf-string if uncompressed   */
 594         java_lang_String *s;                /* result-string                          */
 595         java_chararray *a;
 596         s4 i;
 597
 598 /*      log_text("javastring_new");*/
 599
 600         s = (java_lang_String*) builtin_new (class_java_lang_String);
 601         a = builtin_newarray_char (utflength);
 602
 603         /* javastring or character-array could not be created */
 604         if ((!a) || (!s))
 605                 return NULL;
 606
 607         /* decompress utf-string */
 608         for (i = 0; i < utflength; i++)
 609                 a->data[i] = utf_nextu2(&utf_ptr);
 610
 611         /* set fields of the javastring-object */
 612         s->value  = a;
 613         s->offset = 0;
 614         s->count  = utflength;
 615
 616         return (java_objectheader*) s;
 617 }
 618
 619 /********************** function: javastring_new_char **************************
 620
 621         creates a new java/lang/String object which contains the convertet
 622         C-string passed via text.
 623
 624         return: the object pointer or NULL if memory is exhausted.
 625
 626 *******************************************************************************/
 627
 628 java_objectheader *javastring_new_char (char *text)
 629 {
 630         s4 i;
 631         s4 len = strlen(text); /* length of the string */
 632         java_lang_String *s;   /* result-string */
 633         java_chararray *a;
 634
 635         /*log_text("javastring_new_char");*/
 636         s = (java_lang_String*) builtin_new (class_java_lang_String);
 637         a = builtin_newarray_char (len);
 638
 639         /* javastring or character-array could not be created */
 640         if ((!a) || (!s)) return NULL;
 641
 642         /* copy text */
 643         for (i = 0; i < len; i++)
 644                 a->data[i] = text[i];
 645
 646         /* set fields of the javastring-object */
 647         s->value = a;
 648         s->offset = 0;
 649         s->count = len;
 650
 651         return (java_objectheader*) s;
 652 }
 653
 654
 655 /************************* function javastring_tochar **************************
 656
 657         converts a Java string into a C string.
 658
 659         return: pointer to C string
 660
 661         Caution: every call of this function overwrites the previous string !!!
 662
 663 *******************************************************************************/
 664
 665 static char stringbuffer[MAXSTRINGSIZE];
 666
 667 char *javastring_tochar (java_objectheader *so)
 668 {
 669         java_lang_String *s = (java_lang_String*) so;
 670         java_chararray *a;
 671         s4 i;
 672
 673         log_text("javastring_tochar");
 674
 675         if (!s)
 676                 return "";
 677         a = s->value;
 678         if (!a)
 679                 return "";
 680         if (s->count > MAXSTRINGSIZE)
 681                 return "";
 682         for (i = 0; i < s->count; i++)
 683                 stringbuffer[i] = a->data[s->offset+i];
 684         stringbuffer[i] = '\0';
 685         return stringbuffer;
 686 }
 687
 688
 689 /****************** function class_findfield_approx ****************************
 690
 691         searches in 'classinfo'-structure for a field with the
 692         specified name
 693
 694 *******************************************************************************/
 695
 696 fieldinfo *class_findfield_approx(classinfo *c, utf *name)
 697 {
 698         s4 i;
 699         for (i = 0; i < c->fieldscount; i++) {
 700                 /* compare field names */
 701                 if ((c->fields[i].name == name))
 702                         return &(c->fields[i]);
 703         }
 704
 705         /* field was not found, raise exception */
 706         exceptionptr = native_new_and_init(class_java_lang_NoSuchFieldException);
 707
 708         return NULL;
 709 }
 710
 711 s4 class_findfield_index_approx (classinfo *c, utf *name)
 712 {
 713         s4 i;
 714         for (i = 0; i < c->fieldscount; i++) {
 715                 /* compare field names */
 716                 if ((c->fields[i].name == name))
 717                         return i;
 718                 }
 719
 720         /* field was not found, raise exception */
 721         exceptionptr = native_new_and_init(class_java_lang_NoSuchFieldException);
 722         return -1;
 723 }
 724
 725
 726 /********************** function: native_new_and_init *************************
 727
 728         Creates a new object on the heap and calls the initializer.
 729         Returns the object pointer or NULL if memory is exhausted.
 730
 731 *******************************************************************************/
 732
 733 java_objectheader *native_new_and_init(classinfo *c)
 734 {
 735         methodinfo *m;
 736         java_objectheader *o;
 737
 738         /* if c==NULL it is probebly because loader_load failed */
 739         if (!c) return exceptionptr;
 740
 741         o = builtin_new(c);          /* create object          */
 742
 743         /*
 744         printf("native_new_and_init ");
 745         utf_display(c->name);
 746         printf("\n");
 747         */
 748         if (!o) return NULL;
 749         /* printf("o!=NULL\n"); */
 750         /* find initializer */
 751
 752         m = class_findmethod(c, utf_new_char("<init>"), utf_new_char("()V"));
 753
 754         if (!m) {                                       /* initializer not found  */
 755                 if (verbose) {
 756                         char logtext[MAXLOGTEXT];
 757                         sprintf(logtext, "Warning: class has no instance-initializer: ");
 758                         utf_sprint(logtext + strlen(logtext), c->name);
 759                         dolog(logtext);
 760                 }
 761                 return o;
 762         }
 763
 764         /* call initializer */
 765
 766         asm_calljavamethod(m, o, NULL, NULL, NULL);
 767
 768         return o;
 769 }
 770
 771
 772 java_objectheader *native_new_and_init_string(classinfo *c, java_lang_String *s)
 773 {
 774         methodinfo *m;
 775         java_objectheader *o;
 776
 777         /* if c==NULL it is probebly because loader_load failed */
 778         if (!c) return exceptionptr;
 779
 780         o = builtin_new(c);          /* create object          */
 781
 782         if (!o) return NULL;
 783
 784         /* find initializer */
 785
 786         m = class_findmethod(c,
 787                                                  utf_new_char("<init>"),
 788                                                  utf_new_char("(Ljava/lang/String;)V"));
 789
 790         if (!m) {                                       /* initializer not found  */
 791                 if (verbose) {
 792                         char logtext[MAXLOGTEXT];
 793                         sprintf(logtext, "Warning: class has no instance-initializer: ");
 794                         utf_sprint(logtext + strlen(logtext), c->name);
 795                         dolog(logtext);
 796                 }
 797                 return o;
 798         }
 799
 800         /* call initializer */
 801
 802         asm_calljavamethod(m, o, s, NULL, NULL);
 803
 804         return o;
 805 }
 806
 807
 808 /******************** function: stringtable_update ****************************
 809
 810         traverses the javastring hashtable and sets the vftbl-entries of
 811         javastrings which were temporarily set to NULL, because
 812         java.lang.Object was not yet loaded
 813
 814 *******************************************************************************/
 815
 816 void stringtable_update ()
 817 {
 818         java_lang_String *js;
 819         java_chararray *a;
 820         literalstring *s;       /* hashtable entry */
 821         int i;
 822
 823         for (i = 0; i < string_hash.size; i++) {
 824                 s = string_hash.ptr[i];
 825                 if (s) {
 826                         while (s) {
 827
 828                                 js = (java_lang_String *) s->string;
 829
 830                                 if (!js || !(a = js->value))
 831                                         /* error in hashtable found */
 832                                         panic("invalid literalstring in hashtable");
 833
 834                                 if (!js->header.vftbl)
 835                                         /* vftbl of javastring is NULL */
 836                                         js->header.vftbl = class_java_lang_String -> vftbl;
 837
 838                                 if (!a->header.objheader.vftbl)
 839                                         /* vftbl of character-array is NULL */
 840                                         a->header.objheader.vftbl = primitivetype_table[ARRAYTYPE_CHAR].arrayvftbl;
 841
 842                                 /* follow link in external hash chain */
 843                                 s = s->hashlink;
 844                         }
 845                 }
 846         }
 847 }
 848
 849
 850 /************************* function: u2_utflength ***************************
 851
 852         returns the utf length in bytes of a u2 array
 853
 854 *****************************************************************************/
 855
 856
 857 u4 u2_utflength(u2 *text, u4 u2_length)
 858 {
 859         u4 result_len =  0;  /* utf length in bytes  */
 860         u2 ch;               /* current unicode character */
 861         u4 len;
 862
 863         for (len = 0; len < u2_length; len++) {
 864
 865           /* next unicode character */
 866           ch = *text++;
 867
 868           /* determine bytes required to store unicode character as utf */
 869           if (ch && (ch < 0x80))
 870             result_len++;
 871           else if (ch < 0x800)
 872             result_len += 2;
 873           else
 874             result_len += 3;
 875         }
 876
 877     return result_len;
 878 }
 879
 880 /********************* function: utf_new_u2 ***********************************
 881
 882         make utf symbol from u2 array,
 883         if isclassname is true '.' is replaced by '/'
 884
 885 *******************************************************************************/
 886
 887 utf *utf_new_u2(u2 *unicode_pos, u4 unicode_length, bool isclassname)
 888 {
 889         char *buffer; /* memory buffer for  unicode characters */
 890         char *pos;    /* pointer to current position in buffer */
 891         u4 left;      /* unicode characters left */
 892         u4 buflength; /* utf length in bytes of the u2 array  */
 893         utf *result;  /* resulting utf-string */
 894         int i;
 895
 896         /* determine utf length in bytes and allocate memory */
 897         /* printf("utf_new_u2: unicode_length=%d\n",unicode_length);            */
 898         buflength = u2_utflength(unicode_pos, unicode_length);
 899         buffer    = MNEW(char,buflength);
 900
 901         /* memory allocation failed */
 902         if (!buffer) {
 903                 printf("length: %d\n",buflength);
 904                 log_text("utf_new_u2:buffer==NULL");
 905         }
 906
 907         left = buflength;
 908         pos  = buffer;
 909
 910         for (i = 0; i++ < unicode_length; unicode_pos++) {
 911                 /* next unicode character */
 912                 u2 c = *unicode_pos;
 913
 914                 if ((c != 0) && (c < 0x80)) {
 915                 /* 1 character */
 916                 left--;
 917                 if ((int) left < 0) break;
 918                 /* convert classname */
 919                 if (isclassname && c=='.')
 920                   *pos++ = '/';
 921                 else
 922                   *pos++ = (char) c;
 923                 } else if (c < 0x800) {
 924                 /* 2 characters */
 925                 unsigned char high = c >> 6;
 926                 unsigned char low  = c & 0x3F;
 927                 left = left - 2;
 928                 if ((int) left < 0) break;
 929                 *pos++ = high | 0xC0;
 930                 *pos++ = low  | 0x80;
 931                 } else {
 932                 /* 3 characters */
 933                 char low  = c & 0x3f;
 934                 char mid  = (c >> 6) & 0x3F;
 935                 char high = c >> 12;
 936                 left = left - 3;
 937                 if ((int) left < 0) break;
 938                 *pos++ = high | 0xE0;
 939                 *pos++ = mid  | 0x80;
 940                 *pos++ = low  | 0x80;
 941                 }
 942         }
 943
 944         /* insert utf-string into symbol-table */
 945         result = utf_new(buffer,buflength);
 946
 947         MFREE(buffer, char, buflength);
 948         return result;
 949 }
 950
 951 /********************* function: javastring_toutf *****************************
 952
 953         make utf symbol from javastring
 954
 955 *******************************************************************************/
 956
 957 utf *javastring_toutf(java_lang_String *string, bool isclassname)
 958 {
 959         java_lang_String *str = (java_lang_String *) string;
 960 /*      printf("javastring_toutf offset: %d, len %d\n",str->offset, str->count);
 961         fflush(stdout);*/
 962         return utf_new_u2(str->value->data+str->offset,str->count, isclassname);
 963 }
 964
 965 /********************* function: literalstring_u2 *****************************
 966
 967     searches for the javastring with the specified u2-array in
 968     the string hashtable, if there is no such string a new one is
 969     created
 970
 971     if copymode is true a copy of the u2-array is made
 972
 973 *******************************************************************************/
 974
 975 java_objectheader *literalstring_u2 (java_chararray *a, u4 length, bool copymode )
 976 {
 977     literalstring *s;                /* hashtable element */
 978     java_lang_String *js;            /* u2-array wrapped in javastring */
 979     java_chararray *stringdata;      /* copy of u2-array */
 980     u4 key;
 981     u4 slot;
 982     u2 i;
 983
 984 #if JOWENN_DEBUG1
 985     printf("literalstring_u2: length: %d\n",length);
 986     log_text("literalstring_u2");
 987 #endif
 988
 989     /* find location in hashtable */
 990     key  = unicode_hashkey (a->data, length);
 991     slot = key & (string_hash.size-1);
 992     s    = string_hash.ptr[slot];
 993
 994     while (s) {
 995
 996       js = (java_lang_String *) s->string;
 997
 998       if (js->count == length) {
 999         /* compare text */
1000         for (i=0; i<length; i++)
1001           if (js->value->data[i] != a->data[i]) goto nomatch;
1002
1003         /* string already in hashtable, free memory */
1004         if (!copymode)
1005           lit_mem_free(a, sizeof(java_chararray) + sizeof(u2)*(length-1)+10);
1006
1007 #ifdef JOWENN_DEBUG1
1008         log_text("literalstring_u2: foundentry");
1009         utf_display(javastring_toutf(js,0));
1010 #endif
1011         return (java_objectheader *) js;
1012       }
1013
1014       nomatch:
1015       /* follow link in external hash chain */
1016       s = s->hashlink;
1017     }
1018
1019     if (copymode) {
1020       /* create copy of u2-array for new javastring */
1021       u4 arraysize = sizeof(java_chararray) + sizeof(u2)*(length-1)+10;
1022       stringdata = lit_mem_alloc ( arraysize );
1023       memcpy(stringdata, a, arraysize );
1024     }
1025     else
1026       stringdata = a;
1027
1028     /* location in hashtable found, complete arrayheader */
1029     stringdata -> header.objheader.vftbl = primitivetype_table[ARRAYTYPE_CHAR].arrayvftbl;
1030     stringdata -> header.size = length;
1031
1032     /* create new javastring */
1033     js = LNEW (java_lang_String);
1034     js -> header.vftbl = class_java_lang_String -> vftbl;
1035     js -> value  = stringdata;
1036     js -> offset = 0;
1037     js -> count  = length;
1038
1039     /* create new literalstring */
1040     s = NEW (literalstring);
1041     s->hashlink = string_hash.ptr[slot];
1042     s->string   = (java_objectheader *) js;
1043     string_hash.ptr[slot] = s;
1044
1045     /* update numbe of hashtable entries */
1046     string_hash.entries++;
1047
1048     /* reorganization of hashtable */
1049     if ( string_hash.entries > (string_hash.size*2)) {
1050
1051       /* reorganization of hashtable, average length of
1052          the external chains is approx. 2                */
1053
1054       u4 i;
1055       literalstring *s;
1056       hashtable newhash; /* the new hashtable */
1057
1058       /* create new hashtable, double the size */
1059       init_hashtable(&newhash, string_hash.size*2);
1060       newhash.entries=string_hash.entries;
1061
1062       /* transfer elements to new hashtable */
1063       for (i=0; i<string_hash.size; i++) {
1064         s = string_hash.ptr[i];
1065         while (s) {
1066           literalstring *nexts = s -> hashlink;
1067           js   = (java_lang_String*) s->string;
1068           slot = (unicode_hashkey(js->value->data,js->count)) & (newhash.size-1);
1069
1070           s->hashlink = newhash.ptr[slot];
1071           newhash.ptr[slot] = s;
1072
1073           /* follow link in external hash chain */
1074           s = nexts;
1075         }
1076       }
1077
1078       /* dispose old table */
1079       MFREE (string_hash.ptr, void*, string_hash.size);
1080       string_hash = newhash;
1081     }
1082 #ifdef JOWENN_DEBUG1
1083         log_text("literalstring_u2: newly created");
1084 /*      utf_display(javastring_toutf(js,0));*/
1085 #endif
1086
1087     return (java_objectheader *) js;
1088 }
1089
1090 /******************** Function: literalstring_new *****************************
1091
1092     creates a new javastring with the text of the utf-symbol
1093     and inserts it into the string hashtable
1094
1095 *******************************************************************************/
1096
1097 java_objectheader *literalstring_new (utf *u)
1098 {
1099     char *utf_ptr = u->text;         /* pointer to current unicode character in utf string */
1100     u4 utflength  = utf_strlen(u);   /* length of utf-string if uncompressed */
1101     java_chararray *a;               /* u2-array constructed from utf string */
1102     u4 i;
1103 /*    log_text("literalstring_new"); */
1104 /*    utf_display(u);*/
1105     /*if (utflength==0) while (1) sleep(60);*/
1106 /*    log_text("------------------");    */
1107     /* allocate memory */
1108     a = lit_mem_alloc (sizeof(java_chararray) + sizeof(u2)*(utflength-1)+10 );
1109     /* convert utf-string to u2-array */
1110     for (i=0; i<utflength; i++) a->data[i] = utf_nextu2(&utf_ptr);
1111
1112     return literalstring_u2(a, utflength, false);
1113 }
1114
1115
1116 /********************** function: literalstring_free **************************
1117
1118         removes a javastring from memory
1119
1120 ******************************************************************************/
1121
1122 void literalstring_free (java_objectheader* sobj)
1123 {
1124         java_lang_String *s = (java_lang_String*) sobj;
1125         java_chararray *a = s->value;
1126
1127         log_text("literalstring_free called");
1128
1129         /* dispose memory of java.lang.String object */
1130         LFREE (s, java_lang_String);
1131         /* dispose memory of java-characterarray */
1132         LFREE (a, sizeof(java_chararray) + sizeof(u2)*(a->header.size-1)); /* +10 ?? */
1133 }
1134
1135
1136
1137
1138 void copy_vftbl(vftbl **dest, vftbl *src)
1139 {
1140     *dest = src;
1141 #if 0
1142     /* XXX this kind of copying does not work (in the general
1143      * case). The interface tables would have to be copied, too. I
1144      * don't see why we should make a copy anyway. -Edwin
1145      */
1146         *dest = mem_alloc(sizeof(vftbl) + sizeof(methodptr)*(src->vftbllength-1));
1147         memcpy(*dest, src, sizeof(vftbl) - sizeof(methodptr));
1148         memcpy(&(*dest)->table, &src->table, src->vftbllength * sizeof(methodptr));
1149 #endif
1150 }
1151
1152
1153 /******************************************************************************************
1154
1155         creates method signature (excluding return type) from array of
1156         class-objects representing the parameters of the method
1157
1158 *******************************************************************************************/
1159
1160
1161 utf *create_methodsig(java_objectarray* types, char *retType)
1162 {
1163     char *buffer;       /* buffer for building the desciptor */
1164     char *pos;          /* current position in buffer */
1165     utf *result;        /* the method signature */
1166     u4 buffer_size = 3; /* minimal size=3: room for parenthesis and returntype */
1167     u4 i, j;
1168
1169     if (!types) return NULL;
1170
1171     /* determine required buffer-size */
1172     for (i=0;i<types->header.size;i++) {
1173       classinfo *c = (classinfo *) types->data[i];
1174       buffer_size  = buffer_size + c->name->blength+2;
1175     }
1176
1177     if (retType) buffer_size+=strlen(retType);
1178
1179     /* allocate buffer */
1180     buffer = MNEW(u1, buffer_size);
1181     pos    = buffer;
1182
1183     /* method-desciptor starts with parenthesis */
1184     *pos++ = '(';
1185
1186     for (i=0;i<types->header.size;i++) {
1187
1188             char ch;
1189             /* current argument */
1190             classinfo *c = (classinfo *) types->data[i];
1191             /* current position in utf-text */
1192             char *utf_ptr = c->name->text;
1193
1194             /* determine type of argument */
1195             if ( (ch = utf_nextu2(&utf_ptr)) == '[' ) {
1196
1197                 /* arrayclass */
1198                 for ( utf_ptr--; utf_ptr<utf_end(c->name); utf_ptr++)
1199                    *pos++ = *utf_ptr; /* copy text */
1200
1201             } else
1202             {
1203                 /* check for primitive types */
1204                 for (j=0; j<PRIMITIVETYPE_COUNT; j++) {
1205
1206                         char *utf_pos   = utf_ptr-1;
1207                         char *primitive = primitivetype_table[j].wrapname;
1208
1209                         /* compare text */
1210                         while (utf_pos<utf_end(c->name))
1211                                 if (*utf_pos++ != *primitive++) goto nomatch;
1212
1213                         /* primitive type found */
1214                         *pos++ = primitivetype_table[j].typesig;
1215                         goto next_type;
1216
1217                 nomatch:
1218                 }
1219
1220                 /* no primitive type and no arrayclass, so must be object */
1221                 *pos++ = 'L';
1222                 /* copy text */
1223                 for ( utf_ptr--; utf_ptr<utf_end(c->name); utf_ptr++)
1224                         *pos++ = *utf_ptr;
1225                 *pos++ = ';';
1226
1227                 next_type:
1228             }
1229     }
1230
1231     *pos++ = ')';
1232
1233     if (retType) {
1234         for (i=0;i<strlen(retType);i++) {
1235                 *pos++=retType[i];
1236         }
1237     }
1238     /* create utf-string */
1239     result = utf_new(buffer,(pos-buffer));
1240     MFREE(buffer, u1, buffer_size);
1241
1242     return result;
1243 }
1244
1245
1246 /******************************************************************************************
1247
1248         retrieve the next argument or returntype from a descriptor
1249         and return the corresponding class
1250
1251 *******************************************************************************************/
1252
1253 classinfo *get_type(char **utf_ptr,char *desc_end, bool skip)
1254 {
1255     classinfo *c = class_from_descriptor(*utf_ptr,desc_end,utf_ptr,
1256                                          (skip) ? CLASSLOAD_SKIP : CLASSLOAD_LOAD);
1257     if (!c)
1258         /* unknown type */
1259         panic("illegal descriptor");
1260
1261     if (skip) return NULL;
1262
1263     use_class_as_object(c);
1264     return c;
1265 }
1266
1267
1268 /******************************************************************************************
1269
1270         use the descriptor of a method to generate a java/lang/Class array
1271         which contains the classes of the parametertypes of the method
1272
1273 *******************************************************************************************/
1274
1275 java_objectarray* get_parametertypes(methodinfo *m)
1276 {
1277     utf  *descr    =  m->descriptor;    /* method-descriptor */
1278     char *utf_ptr  =  descr->text;      /* current position in utf-text */
1279     char *desc_end =  utf_end(descr);   /* points behind utf string     */
1280     java_objectarray* result;
1281     int parametercount = 0;
1282     int i;
1283
1284     /* skip '(' */
1285     utf_nextu2(&utf_ptr);
1286
1287     /* determine number of parameters */
1288     while ( *utf_ptr != ')' ) {
1289         get_type(&utf_ptr,desc_end,true);
1290         parametercount++;
1291     }
1292
1293     /* create class-array */
1294     result = builtin_anewarray(parametercount, class_java_lang_Class);
1295
1296     utf_ptr  =  descr->text;
1297     utf_nextu2(&utf_ptr);
1298
1299     /* get returntype classes */
1300     for (i = 0; i < parametercount; i++)
1301             result->data[i] = (java_objectheader *) get_type(&utf_ptr,desc_end, false);
1302
1303     return result;
1304 }
1305
1306
1307 /******************************************************************************************
1308
1309         get the returntype class of a method
1310
1311 *******************************************************************************************/
1312
1313 classinfo *get_returntype(methodinfo *m)
1314 {
1315         char *utf_ptr;   /* current position in utf-text */
1316         char *desc_end;  /* points behind utf string     */
1317         utf *desc = m->descriptor; /* method-descriptor  */
1318
1319         utf_ptr  = desc->text;
1320         desc_end = utf_end(desc);
1321
1322         /* ignore parametertypes */
1323         while ((utf_ptr<desc_end) && utf_nextu2(&utf_ptr)!=')')
1324                 /* skip */ ;
1325
1326         return get_type(&utf_ptr,desc_end, false);
1327 }
1328
1329
1330 /*****************************************************************************/
1331 /*****************************************************************************/
1332
1333
1334 /*--------------------------------------------------------*/
1335 void printNativeCall(nativeCall nc) {
1336   int i,j;
1337
1338   printf("\n%s's Native Methods call:\n",nc.classname); fflush(stdout);
1339   for (i=0; i<nc.methCnt; i++) {
1340       printf("\tMethod=%s %s\n",nc.methods[i].methodname, nc.methods[i].descriptor);fflush(stdout);
1341
1342     for (j=0; j<nc.callCnt[i]; j++) {
1343         printf("\t\t<%i,%i>aCalled = %s %s %s\n",i,j,
1344         nc.methods[i].methodCalls[j].classname,
1345         nc.methods[i].methodCalls[j].methodname,
1346         nc.methods[i].methodCalls[j].descriptor);fflush(stdout);
1347       }
1348     }
1349   printf("-+++++--------------------\n");fflush(stdout);
1350 }
1351
1352 /*--------------------------------------------------------*/
1353 void printCompNativeCall(nativeCompCall nc) {
1354   int i,j;
1355   printf("printCompNativeCall BEGIN\n");fflush(stdout);
1356   printf("\n%s's Native Comp Methods call:\n",nc.classname->text);fflush(stdout);
1357   utf_display(nc.classname); fflush(stdout);
1358
1359   for (i=0; i<nc.methCnt; i++) {
1360     printf("\tMethod=%s %s\n",nc.methods[i].methodname->text,nc.methods[i].descriptor->text);fflush(stdout);
1361     utf_display(nc.methods[i].methodname); fflush(stdout);
1362     utf_display(nc.methods[i].descriptor);fflush(stdout);
1363     printf("\n");fflush(stdout);
1364
1365     for (j=0; j<nc.callCnt[i]; j++) {
1366       printf("\t\t<%i,%i>bCalled = ",i,j);fflush(stdout);
1367         utf_display(nc.methods[i].methodCalls[j].classname);fflush(stdout);
1368         utf_display(nc.methods[i].methodCalls[j].methodname); fflush(stdout);
1369         utf_display(nc.methods[i].methodCalls[j].descriptor);fflush(stdout);
1370         printf("\n");fflush(stdout);
1371       }
1372     }
1373 printf("---------------------\n");fflush(stdout);
1374 }
1375
1376
1377 /*--------------------------------------------------------*/
1378 classMeth findNativeMethodCalls(utf *c, utf *m, utf *d )
1379 {
1380     int i = 0;
1381     int j = 0;
1382     int cnt = 0;
1383     classMeth mc;
1384     mc.i_class = i;
1385     mc.j_method = j;
1386     mc.methCnt = cnt;
1387
1388     return mc;
1389 }
1390
1391 /*--------------------------------------------------------*/
1392 nativeCall* findNativeClassCalls(char *aclassname ) {
1393 int i;
1394
1395 for (i=0;i<NATIVECALLSSIZE; i++) {
1396    /* convert table to utf later to speed up search */
1397    if (strcmp(nativeCalls[i].classname, aclassname) == 0)
1398         return &nativeCalls[i];
1399    }
1400
1401 return NULL;
1402 }
1403 /*--------------------------------------------------------*/
1404 /*--------------------------------------------------------*/
1405 void utfNativeCall(nativeCall nc, nativeCompCall *ncc) {
1406   int i,j;
1407
1408
1409   ncc->classname = utf_new_char(nc.classname);
1410   ncc->methCnt = nc.methCnt;
1411
1412   for (i=0; i<nc.methCnt; i++) {
1413     ncc->methods[i].methodname = utf_new_char(nc.methods[i].methodname);
1414     ncc->methods[i].descriptor = utf_new_char(nc.methods[i].descriptor);
1415     ncc->callCnt[i] = nc.callCnt[i];
1416
1417     for (j=0; j<nc.callCnt[i]; j++) {
1418
1419         ncc->methods[i].methodCalls[j].classname  = utf_new_char(nc.methods[i].methodCalls[j].classname);
1420
1421         if (strcmp("", nc.methods[i].methodCalls[j].methodname) != 0) {
1422           ncc->methods[i].methodCalls[j].methodname = utf_new_char(nc.methods[i].methodCalls[j].methodname);
1423           ncc->methods[i].methodCalls[j].descriptor = utf_new_char(nc.methods[i].methodCalls[j].descriptor);
1424           }
1425         else {
1426           ncc->methods[i].methodCalls[j].methodname = NULL;
1427           ncc->methods[i].methodCalls[j].descriptor = NULL;
1428           }
1429       }
1430     }
1431 }
1432
1433
1434
1435 /*--------------------------------------------------------*/
1436
1437 bool natcall2utf(bool natcallcompdone) {
1438 int i;
1439
1440 if (natcallcompdone)
1441         return true;
1442
1443 for (i=0;i<NATIVECALLSSIZE; i++) {
1444    utfNativeCall  (nativeCalls[i], &nativeCompCalls[i]);
1445    }
1446
1447 return true;
1448 }
1449 /*--------------------------------------------------------*/
1450
1451
1452 /*
1453  * These are local overrides for various environment variables in Emacs.
1454  * Please do not remove this and leave it at the end of the file, where
1455  * Emacs will automagically detect them.
1456  * ---------------------------------------------------------------------
1457  * Local variables:
1458  * mode: c
1459  * indent-tabs-mode: t
1460  * c-basic-offset: 4
1461  * tab-width: 4
1462  * End:
1463  */