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 755 2003-12-13 22:25:24Z 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_NoClassDefFoundError;
  91 classinfo *class_java_lang_ClassNotFoundException;
  92 classinfo *class_java_lang_LinkageError;
  93 classinfo *class_java_lang_InstantiationException;
  94 classinfo *class_java_lang_NoSuchMethodError;
  95 classinfo *class_java_lang_NoSuchFieldError;
  96 classinfo *class_java_lang_ClassFormatError;
  97 classinfo *class_java_lang_IllegalArgumentException;
  98 classinfo *class_java_lang_ArrayIndexOutOfBoundsException;
  99 classinfo *class_java_lang_NoSuchFieldException;
 100 classinfo *class_java_io_SyncFailedException;
 101 classinfo *class_java_io_IOException;
 102 classinfo *class_java_io_FileNotFoundException;
 103 classinfo *class_java_io_UnixFileSystem;
 104 classinfo *class_java_security_PrivilegedActionException;
 105 classinfo *class_java_net_UnknownHostException;
 106 classinfo *class_java_net_SocketException;
 107 classinfo *class_java_lang_NoSuchMethodException;
 108 classinfo *class_java_lang_Double;
 109 classinfo *class_java_lang_Float;
 110 classinfo *class_java_lang_Long;
 111 classinfo *class_java_lang_Byte;
 112 classinfo *class_java_lang_Short;
 113 classinfo *class_java_lang_Boolean;
 114 classinfo *class_java_lang_Void;
 115 classinfo *class_java_lang_Character;
 116 classinfo *class_java_lang_Integer;
 117
 118 /* the system classloader object */
 119 struct java_lang_ClassLoader *SystemClassLoader = NULL;
 120
 121 /* for raising exceptions from native methods */
 122 java_objectheader* exceptionptr = NULL;
 123
 124 /************* use classinfo structure as java.lang.Class object **************/
 125
 126 void use_class_as_object(classinfo *c)
 127 {
 128         vftbl *vt;
 129         vftbl *newtbl;
 130
 131         if (!class_java_lang_Class)
 132                 class_java_lang_Class = class_new(utf_new_char ("java/lang/Class"));
 133
 134         vt = class_java_lang_Class->vftbl;
 135
 136
 137         if (!c->classvftbl) {
 138                 c->classvftbl = true;
 139
 140                 /*                copy_vftbl(&newtbl, vt);
 141                                                   newtbl->class = c->header.vftbl->class;
 142                                                   newtbl->baseval = c->header.vftbl->baseval;
 143                                                   newtbl->diffval = c->header.vftbl->diffval;
 144                                                   c->header.vftbl = newtbl;*/
 145
 146                 c->header.vftbl = class_java_lang_Class->vftbl;
 147
 148                 if (!class_java_lang_VMClass) {
 149                         loader_load_sysclass(&class_java_lang_VMClass,
 150                                                                  utf_new_char("java/lang/VMClass"));
 151
 152                         method_vmclass_init =
 153                                 class_findmethod(class_java_lang_VMClass,
 154                                                                  utf_new_char("<init>"),
 155                                                                  utf_new_char("(Lgnu/classpath/RawData;)V"));
 156
 157                         if (method_vmclass_init == 0) {
 158                                 class_showmethods(class_java_lang_VMClass);
 159                                 panic("Needed class initializer for VMClass could not be found");
 160                         }
 161                 }
 162                 {
 163                         java_objectheader *vmo = builtin_new(class_java_lang_VMClass);
 164
 165                         if (!vmo) panic("Error while creating instance of java/lang/VMClass");
 166                         asm_calljavamethod(method_vmclass_init, vmo, c, NULL, NULL);
 167                         c->vmClass = (java_lang_VMClass *) vmo;
 168                         /*log_text("VMCLASS has been attached");*/
 169                 }
 170         }
 171 }
 172
 173
 174 /*************************** include native methods ***************************/
 175
 176 #ifdef USE_GTK
 177 #include "nat/GdkGraphics.c"
 178 #include "nat/GtkComponentPeer.c"
 179 #include "nat/GdkPixbufDecoder.c"
 180 #include "nat/GtkScrollPanePeer.c"
 181 #include "nat/GtkFileDialogPeer.c"
 182 #include "nat/GtkLabelPeer.c"
 183 #endif
 184
 185
 186 /************************** tables for methods ********************************/
 187
 188 #undef JOWENN_DEBUG
 189 #undef JOWENN_DEBUG1
 190
 191 /* table for locating native methods */
 192 static struct nativeref {
 193         char *classname;
 194         char *methodname;
 195         char *descriptor;
 196         bool isstatic;
 197         functionptr func;
 198 } nativetable [] = {
 199
 200 #include "nativetable.hh"
 201
 202 };
 203
 204
 205 #define NATIVETABLESIZE  (sizeof(nativetable)/sizeof(struct nativeref))
 206
 207 /* table for fast string comparison */
 208 static struct nativecompref {
 209         utf *classname;
 210         utf *methodname;
 211         utf *descriptor;
 212         bool isstatic;
 213         functionptr func;
 214 } nativecomptable [NATIVETABLESIZE];
 215
 216 /* string comparsion table initialized */
 217 static bool nativecompdone = false;
 218
 219
 220 /******************************************************************************/
 221 /******************************************************************************/
 222 #include "natcalls.h"
 223
 224 /* string call comparison table initialized */
 225
 226 /******************************************************************************/
 227 /******************************************************************************/
 228
 229 /*--------------- native method calls & classes used -------------------------*/
 230
 231
 232
 233 /* throw some loader exceptions */
 234
 235 void throw_noclassdeffounderror_message(utf* classname)
 236 {
 237         if (!class_java_lang_NoClassDefFoundError) {
 238                 panic("java.lang.NoClassDefFoundError not found. Maybe wrong classpath?");
 239         }
 240
 241         /* throws a NoClassDefFoundError with message */
 242         exceptionptr = native_new_and_init_string(class_java_lang_NoClassDefFoundError,
 243                                                                                           javastring_new(classname));
 244 }
 245
 246
 247 void throw_linkageerror_message(utf* classname)
 248 {
 249         if (!class_java_lang_LinkageError) {
 250                 panic("java.lang.LinkageError not found. Maybe wrong classpath?");
 251         }
 252
 253         /* throws a LinkageError with message */
 254         exceptionptr = native_new_and_init_string(class_java_lang_LinkageError,
 255                                                                                           javastring_new(classname));
 256 }
 257
 258
 259 /*********************** function: native_loadclasses **************************
 260
 261         load classes required for native methods
 262
 263 *******************************************************************************/
 264
 265 void native_loadclasses()
 266 {
 267         static int classesLoaded=0; /*temporary hack JoWenn*/
 268         if (classesLoaded) return;
 269         classesLoaded = 1;
 270 /*      log_text("loadclasses entered");*/
 271
 272
 273         /*class_java_lang_System =*/
 274         (void) class_new(utf_new_char("java/lang/VMClass"));/*JoWenn*/
 275         (void) class_new(utf_new_char("java/lang/Class"));/*JoWenn*/
 276
 277         /* class_new adds the class to the list of classes to be loaded */
 278         if (!class_java_lang_Cloneable)
 279                 class_java_lang_Cloneable =
 280                         class_new(utf_new_char("java/lang/Cloneable"));
 281 /*      log_text("loadclasses: class_java_lang_Cloneable has been initialized");*/
 282         class_java_lang_CloneNotSupportedException =
 283                 class_new(utf_new_char("java/lang/CloneNotSupportedException"));
 284         if (!class_java_lang_Class)
 285                 class_java_lang_Class =
 286                         class_new(utf_new_char("java/lang/Class"));
 287         class_java_io_IOException =
 288                 class_new(utf_new_char("java/io/IOException"));
 289         class_java_io_FileNotFoundException =
 290                 class_new(utf_new_char("java/io/FileNotFoundException"));
 291         class_java_lang_NoClassDefFoundError =
 292                 class_new(utf_new_char("java/lang/NoClassDefFoundError"));
 293         class_java_lang_ClassNotFoundException =
 294                 class_new(utf_new_char("java/lang/ClassNotFoundException"));
 295         class_java_lang_LinkageError =
 296                 class_new(utf_new_char("java/lang/LinkageError"));
 297         class_java_lang_InstantiationException =
 298                 class_new(utf_new_char("java/lang/InstantiationException"));
 299         class_java_lang_NoSuchMethodError =
 300                 class_new(utf_new_char("java/lang/NoSuchMethodError"));
 301         class_java_lang_NoSuchFieldError =
 302                 class_new(utf_new_char("java/lang/NoSuchFieldError"));
 303         class_java_lang_ClassFormatError =
 304                 class_new(utf_new_char("java/lang/ClassFormatError"));
 305         class_java_io_SyncFailedException =
 306                 class_new(utf_new_char("java/io/SyncFailedException"));
 307
 308 /*      log_text("native_loadclasses: class_new(\"java/lang/ClassLoader\")");           */
 309         class_java_lang_ClassLoader =
 310                 class_new(utf_new_char("java/lang/ClassLoader"));
 311 /*      log_text("native_loadclasses: class_new(\"java/security/PrivilegedActionException\")");         */
 312         class_java_security_PrivilegedActionException =
 313                 class_new(utf_new_char("java/security/PrivilegedActionException"));
 314
 315         loader_load_sysclass(&class_java_net_UnknownHostException,
 316                                                  utf_new_char("java/net/UnknownHostException"));
 317         loader_load_sysclass(&class_java_net_SocketException,
 318                                                  utf_new_char("java/net/SocketException"));
 319
 320         class_java_lang_IllegalArgumentException =
 321                 class_new(utf_new_char("java/lang/IllegalArgumentException"));
 322         class_java_lang_ArrayIndexOutOfBoundsException =
 323                 class_new(utf_new_char("java/lang/ArrayIndexOutOfBoundsException"));
 324         class_java_lang_NoSuchFieldException =
 325                 class_new(utf_new_char("java/lang/NoSuchFieldException"));
 326         class_java_lang_NoSuchMethodException =
 327                 class_new(utf_new_char("java/lang/NoSuchMethodException"));
 328
 329         /* load classes for wrapping primitive types */
 330         class_java_lang_Double =
 331                 class_new( utf_new_char ("java/lang/Double") );
 332         class_init(class_java_lang_Double);
 333
 334         class_java_lang_Float =
 335                 class_new(utf_new_char("java/lang/Float"));
 336         class_java_lang_Character =
 337                 class_new(utf_new_char("java/lang/Character"));
 338         class_java_lang_Integer =
 339                 class_new(utf_new_char("java/lang/Integer"));
 340         class_java_lang_Long =
 341                 class_new(utf_new_char("java/lang/Long"));
 342         class_java_lang_Byte =
 343                 class_new(utf_new_char("java/lang/Byte"));
 344         class_java_lang_Short =
 345                 class_new(utf_new_char("java/lang/Short"));
 346         class_java_lang_Boolean =
 347                 class_new(utf_new_char("java/lang/Boolean"));
 348         class_java_lang_Void =
 349                 class_new(utf_new_char("java/lang/Void"));
 350
 351         classesLoaded=1;
 352         log_text("native_loadclasses finished");
 353 }
 354
 355
 356 /*************** adds a class to the vector of loaded classes ****************/
 357
 358 void systemclassloader_addclass(classinfo *c)
 359 {
 360         methodinfo *m;
 361
 362         /* find method addClass of java.lang.ClassLoader */
 363         m = class_resolvemethod(
 364                                                         class_java_lang_ClassLoader,
 365                                                         utf_new_char("addClass"),
 366                                                         utf_new_char("(Ljava/lang/Class;)")
 367                                                         );
 368
 369         if (!m) panic("warning: cannot initialize classloader");
 370
 371         /* prepare class to be passed as argument */
 372         use_class_as_object (c);
 373
 374         /* call 'addClass' */
 375         asm_calljavamethod(m,
 376                                            (java_objectheader*) SystemClassLoader,
 377                                            (java_objectheader*) c,
 378                                            NULL,
 379                                            NULL
 380                                            );
 381 }
 382
 383 /*************** adds a library to the vector of loaded libraries *************/
 384
 385 void systemclassloader_addlibrary(java_objectheader *o)
 386 {
 387         log_text("systemclassloader_addlibrary");
 388 }
 389
 390 /*****************************************************************************
 391
 392         create systemclassloader object and initialize instance fields
 393
 394 ******************************************************************************/
 395
 396 void init_systemclassloader()
 397 {
 398   if (!SystemClassLoader) {
 399         native_loadclasses();
 400         log_text("Initializing new system class loader");
 401         /* create object and call initializer */
 402         SystemClassLoader = (java_lang_ClassLoader*) native_new_and_init(class_java_lang_ClassLoader);
 403 /*      heap_addreference((void**) &SystemClassLoader); */
 404
 405         /* systemclassloader has no parent */
 406         SystemClassLoader->parent      = NULL;
 407         SystemClassLoader->initialized = true;
 408   }
 409   log_text("leaving system class loader");
 410 }
 411
 412
 413 /********************* add loaded library name  *******************************/
 414
 415 void systemclassloader_addlibname(java_objectheader *o)
 416 {
 417         methodinfo *m;
 418         jfieldID id;
 419
 420         m = class_resolvemethod(loader_load_sysclass(NULL,utf_new_char ("java/util/Vector")),
 421                                                         utf_new_char("addElement"),
 422                                                         utf_new_char("(Ljava/lang/Object;)V")
 423                                                         );
 424
 425         if (!m) panic("cannot initialize classloader");
 426
 427         id = envTable.GetStaticFieldID(&env,class_java_lang_ClassLoader,"loadedLibraryNames","Ljava/util/Vector;");
 428         if (!id) panic("can not access ClassLoader");
 429
 430         asm_calljavamethod(m,
 431                                            GetStaticObjectField(&env,class_java_lang_ClassLoader,id),
 432                                            o,
 433                                            NULL,
 434                                            NULL
 435                                            );
 436 }
 437
 438
 439 /********************* function: native_setclasspath **************************/
 440
 441 void native_setclasspath (char *path)
 442 {
 443         /* set searchpath for classfiles */
 444         classpath = path;
 445 }
 446
 447
 448 /*********************** Function: native_findfunction *************************
 449
 450         Looks up a method (must have the same class name, method name, descriptor
 451         and 'static'ness) and returns a function pointer to it.
 452         Returns: function pointer or NULL (if there is no such method)
 453
 454         Remark: For faster operation, the names/descriptors are converted from C
 455                 strings to Unicode the first time this function is called.
 456
 457 *******************************************************************************/
 458
 459 functionptr native_findfunction(utf *cname, utf *mname,
 460                                                                 utf *desc, bool isstatic)
 461 {
 462         int i;
 463         /* entry of table for fast string comparison */
 464         struct nativecompref *n;
 465         /* for warning message if no function is found */
 466         char *buffer;
 467         int buffer_len;
 468
 469         isstatic = isstatic ? true : false;
 470
 471         if (!nativecompdone) {
 472                 for (i = 0; i < NATIVETABLESIZE; i++) {
 473                         nativecomptable[i].classname  =
 474                                 utf_new_char(nativetable[i].classname);
 475                         nativecomptable[i].methodname =
 476                                 utf_new_char(nativetable[i].methodname);
 477                         nativecomptable[i].descriptor =
 478                                 utf_new_char(nativetable[i].descriptor);
 479                         nativecomptable[i].isstatic   =
 480                                 nativetable[i].isstatic;
 481                         nativecomptable[i].func       =
 482                                 nativetable[i].func;
 483                 }
 484                 nativecompdone = true;
 485         }
 486
 487 #ifdef JOWENN_DEBUG
 488         buffer_len =
 489           utf_strlen(cname) + utf_strlen(mname) + utf_strlen(desc) + 64;
 490
 491         buffer = MNEW(char, buffer_len);
 492
 493         strcpy(buffer, "searching matching function in native table:");
 494         utf_sprint(buffer+strlen(buffer), mname);
 495         strcpy(buffer+strlen(buffer), ": ");
 496         utf_sprint(buffer+strlen(buffer), desc);
 497         strcpy(buffer+strlen(buffer), " for class ");
 498         utf_sprint(buffer+strlen(buffer), cname);
 499
 500         log_text(buffer);
 501
 502         MFREE(buffer, char, buffer_len);
 503 #endif
 504
 505         for (i = 0; i < NATIVETABLESIZE; i++) {
 506                 n = &(nativecomptable[i]);
 507
 508                 if (cname == n->classname && mname == n->methodname &&
 509                     desc == n->descriptor && isstatic == n->isstatic)
 510                         return n->func;
 511 #ifdef JOWENN_DEBUG
 512                         else {
 513                                 if (cname == n->classname && mname == n->methodname )  log_text("static and descriptor mismatch");
 514
 515                                 else {
 516                                         buffer_len =
 517                                           utf_strlen(n->classname) + utf_strlen(n->methodname) + utf_strlen(n->descriptor) + 64;
 518
 519                                         buffer = MNEW(char, buffer_len);
 520
 521                                         strcpy(buffer, "comparing with:");
 522                                         utf_sprint(buffer+strlen(buffer), n->methodname);
 523                                         strcpy (buffer+strlen(buffer), ": ");
 524                                         utf_sprint(buffer+strlen(buffer), n->descriptor);
 525                                         strcpy(buffer+strlen(buffer), " for class ");
 526                                         utf_sprint(buffer+strlen(buffer), n->classname);
 527
 528                                         log_text(buffer);
 529
 530                                         MFREE(buffer, char, buffer_len);
 531
 532                                 }
 533                         }
 534 #endif
 535         }
 536
 537
 538         /* no function was found, display warning */
 539
 540         buffer_len =
 541                 utf_strlen(cname) + utf_strlen(mname) + utf_strlen(desc) + 64;
 542
 543         buffer = MNEW(char, buffer_len);
 544
 545         strcpy(buffer, "warning: native function ");
 546         utf_sprint(buffer + strlen(buffer), mname);
 547         strcpy(buffer + strlen(buffer), ": ");
 548         utf_sprint(buffer + strlen(buffer), desc);
 549         strcpy(buffer + strlen(buffer), " not found in class ");
 550         utf_sprint(buffer + strlen(buffer), cname);
 551
 552         log_text(buffer);
 553
 554         MFREE(buffer, char, buffer_len);
 555
 556
 557         exit(1);
 558
 559
 560         return NULL;
 561 }
 562
 563
 564 /********************** function: javastring_new *******************************
 565
 566         creates a new object of type java/lang/String with the text of
 567         the specified utf8-string
 568
 569         return: pointer to the string or NULL if memory is exhausted.
 570
 571 *******************************************************************************/
 572
 573 /*  java_objectheader *javastring_new(utf *u) */
 574 java_lang_String *javastring_new(utf *u)
 575 {
 576         char *utf_ptr = u->text;        /* current utf character in utf string    */
 577         int utflength = utf_strlen(u);  /* length of utf-string if uncompressed   */
 578         java_lang_String *s;                /* result-string                          */
 579         java_chararray *a;
 580         s4 i;
 581
 582 /*      log_text("javastring_new");*/
 583
 584         s = (java_lang_String*) builtin_new(class_java_lang_String);
 585         a = builtin_newarray_char(utflength);
 586
 587         /* javastring or character-array could not be created */
 588         if ((!a) || (!s))
 589                 return NULL;
 590
 591         /* decompress utf-string */
 592         for (i = 0; i < utflength; i++)
 593                 a->data[i] = utf_nextu2(&utf_ptr);
 594
 595         /* set fields of the javastring-object */
 596         s->value  = a;
 597         s->offset = 0;
 598         s->count  = utflength;
 599
 600 /*      return (java_objectheader*) s; */
 601         return s;
 602 }
 603
 604
 605 /********************** function: javastring_new_char **************************
 606
 607         creates a new java/lang/String object which contains the convertet
 608         C-string passed via text.
 609
 610         return: the object pointer or NULL if memory is exhausted.
 611
 612 *******************************************************************************/
 613
 614 /*  java_objectheader *javastring_new_char (char *text) */
 615 java_lang_String *javastring_new_char (char *text)
 616 {
 617         s4 i;
 618         s4 len = strlen(text); /* length of the string */
 619         java_lang_String *s;   /* result-string */
 620         java_chararray *a;
 621
 622         /*log_text("javastring_new_char");*/
 623         s = (java_lang_String*) builtin_new(class_java_lang_String);
 624         a = builtin_newarray_char(len);
 625
 626         /* javastring or character-array could not be created */
 627         if ((!a) || (!s))
 628                 return NULL;
 629
 630         /* copy text */
 631         for (i = 0; i < len; i++)
 632                 a->data[i] = text[i];
 633
 634         /* set fields of the javastring-object */
 635         s->value  = a;
 636         s->offset = 0;
 637         s->count  = len;
 638
 639 /*      return (java_objectheader*) s; */
 640         return s;
 641 }
 642
 643
 644 /************************* function javastring_tochar **************************
 645
 646         converts a Java string into a C string.
 647
 648         return: pointer to C string
 649
 650         Caution: every call of this function overwrites the previous string !!!
 651
 652 *******************************************************************************/
 653
 654 static char stringbuffer[MAXSTRINGSIZE];
 655
 656 char *javastring_tochar (java_objectheader *so)
 657 {
 658         java_lang_String *s = (java_lang_String*) so;
 659         java_chararray *a;
 660         s4 i;
 661
 662         log_text("javastring_tochar");
 663
 664         if (!s)
 665                 return "";
 666         a = s->value;
 667         if (!a)
 668                 return "";
 669         if (s->count > MAXSTRINGSIZE)
 670                 return "";
 671         for (i = 0; i < s->count; i++)
 672                 stringbuffer[i] = a->data[s->offset+i];
 673         stringbuffer[i] = '\0';
 674         return stringbuffer;
 675 }
 676
 677
 678 /****************** function class_findfield_approx ****************************
 679
 680         searches in 'classinfo'-structure for a field with the
 681         specified name
 682
 683 *******************************************************************************/
 684
 685 fieldinfo *class_findfield_approx(classinfo *c, utf *name)
 686 {
 687         s4 i;
 688         for (i = 0; i < c->fieldscount; i++) {
 689                 /* compare field names */
 690                 if ((c->fields[i].name == name))
 691                         return &(c->fields[i]);
 692         }
 693
 694         /* field was not found, raise exception */
 695         exceptionptr = native_new_and_init(class_java_lang_NoSuchFieldException);
 696
 697         return NULL;
 698 }
 699
 700 s4 class_findfield_index_approx (classinfo *c, utf *name)
 701 {
 702         s4 i;
 703         for (i = 0; i < c->fieldscount; i++) {
 704                 /* compare field names */
 705                 if ((c->fields[i].name == name))
 706                         return i;
 707                 }
 708
 709         /* field was not found, raise exception */
 710         exceptionptr = native_new_and_init(class_java_lang_NoSuchFieldException);
 711         return -1;
 712 }
 713
 714
 715 /********************** function: native_new_and_init *************************
 716
 717         Creates a new object on the heap and calls the initializer.
 718         Returns the object pointer or NULL if memory is exhausted.
 719
 720 *******************************************************************************/
 721
 722 java_objectheader *native_new_and_init(classinfo *c)
 723 {
 724         methodinfo *m;
 725         java_objectheader *o;
 726
 727         /* if c==NULL it is probebly because loader_load failed */
 728         if (!c) return exceptionptr;
 729
 730         o = builtin_new(c);          /* create object          */
 731
 732         /*
 733         printf("native_new_and_init ");
 734         utf_display(c->name);
 735         printf("\n");
 736         */
 737         if (!o) return NULL;
 738         /* printf("o!=NULL\n"); */
 739         /* find initializer */
 740
 741         m = class_findmethod(c, utf_new_char("<init>"), utf_new_char("()V"));
 742
 743         if (!m) {                                       /* initializer not found  */
 744                 if (verbose) {
 745                         char logtext[MAXLOGTEXT];
 746                         sprintf(logtext, "Warning: class has no instance-initializer: ");
 747                         utf_sprint(logtext + strlen(logtext), c->name);
 748                         log_text(logtext);
 749                 }
 750                 return o;
 751         }
 752
 753         /* call initializer */
 754
 755         asm_calljavamethod(m, o, NULL, NULL, NULL);
 756
 757         return o;
 758 }
 759
 760
 761 java_objectheader *native_new_and_init_string(classinfo *c, java_lang_String *s)
 762 {
 763         methodinfo *m;
 764         java_objectheader *o;
 765
 766         /* if c==NULL it is probebly because loader_load failed */
 767         if (!c) return exceptionptr;
 768
 769         o = builtin_new(c);          /* create object          */
 770
 771         if (!o) return NULL;
 772
 773         /* find initializer */
 774
 775         m = class_findmethod(c,
 776                                                  utf_new_char("<init>"),
 777                                                  utf_new_char("(Ljava/lang/String;)V"));
 778
 779         if (!m) {                                       /* initializer not found  */
 780                 if (verbose) {
 781                         char logtext[MAXLOGTEXT];
 782                         sprintf(logtext, "Warning: class has no instance-initializer: ");
 783                         utf_sprint(logtext + strlen(logtext), c->name);
 784                         log_text(logtext);
 785                 }
 786                 return o;
 787         }
 788
 789         /* call initializer */
 790
 791         asm_calljavamethod(m, o, s, NULL, NULL);
 792
 793         return o;
 794 }
 795
 796
 797 /******************** function: stringtable_update ****************************
 798
 799         traverses the javastring hashtable and sets the vftbl-entries of
 800         javastrings which were temporarily set to NULL, because
 801         java.lang.Object was not yet loaded
 802
 803 *******************************************************************************/
 804
 805 void stringtable_update ()
 806 {
 807         java_lang_String *js;
 808         java_chararray *a;
 809         literalstring *s;       /* hashtable entry */
 810         int i;
 811
 812         for (i = 0; i < string_hash.size; i++) {
 813                 s = string_hash.ptr[i];
 814                 if (s) {
 815                         while (s) {
 816
 817                                 js = (java_lang_String *) s->string;
 818
 819                                 if (!js || !(a = js->value))
 820                                         /* error in hashtable found */
 821                                         panic("invalid literalstring in hashtable");
 822
 823                                 if (!js->header.vftbl)
 824                                         /* vftbl of javastring is NULL */
 825                                         js->header.vftbl = class_java_lang_String -> vftbl;
 826
 827                                 if (!a->header.objheader.vftbl)
 828                                         /* vftbl of character-array is NULL */
 829                                         a->header.objheader.vftbl = primitivetype_table[ARRAYTYPE_CHAR].arrayvftbl;
 830
 831                                 /* follow link in external hash chain */
 832                                 s = s->hashlink;
 833                         }
 834                 }
 835         }
 836 }
 837
 838
 839 /************************* function: u2_utflength ***************************
 840
 841         returns the utf length in bytes of a u2 array
 842
 843 *****************************************************************************/
 844
 845 u4 u2_utflength(u2 *text, u4 u2_length)
 846 {
 847         u4 result_len =  0;  /* utf length in bytes  */
 848         u2 ch;               /* current unicode character */
 849         u4 len;
 850
 851         for (len = 0; len < u2_length; len++) {
 852                 /* next unicode character */
 853                 ch = *text++;
 854
 855                 /* determine bytes required to store unicode character as utf */
 856                 if (ch && (ch < 0x80))
 857                         result_len++;
 858                 else if (ch < 0x800)
 859                         result_len += 2;
 860                 else
 861                         result_len += 3;
 862         }
 863
 864     return result_len;
 865 }
 866
 867
 868 /********************* function: utf_new_u2 ***********************************
 869
 870         make utf symbol from u2 array,
 871         if isclassname is true '.' is replaced by '/'
 872
 873 *******************************************************************************/
 874
 875 utf *utf_new_u2(u2 *unicode_pos, u4 unicode_length, bool isclassname)
 876 {
 877         char *buffer; /* memory buffer for  unicode characters */
 878         char *pos;    /* pointer to current position in buffer */
 879         u4 left;      /* unicode characters left */
 880         u4 buflength; /* utf length in bytes of the u2 array  */
 881         utf *result;  /* resulting utf-string */
 882         int i;
 883
 884         /* determine utf length in bytes and allocate memory */
 885         /* printf("utf_new_u2: unicode_length=%d\n",unicode_length);            */
 886         buflength = u2_utflength(unicode_pos, unicode_length);
 887         buffer    = MNEW(char, buflength);
 888
 889         /* memory allocation failed */
 890         if (!buffer) {
 891                 printf("length: %d\n",buflength);
 892                 log_text("utf_new_u2:buffer==NULL");
 893         }
 894
 895         left = buflength;
 896         pos  = buffer;
 897
 898         for (i = 0; i++ < unicode_length; unicode_pos++) {
 899                 /* next unicode character */
 900                 u2 c = *unicode_pos;
 901
 902                 if ((c != 0) && (c < 0x80)) {
 903                         /* 1 character */
 904                         left--;
 905                 if ((int) left < 0) break;
 906                         /* convert classname */
 907                         if (isclassname && c == '.')
 908                                 *pos++ = '/';
 909                         else
 910                                 *pos++ = (char) c;
 911
 912                 } else if (c < 0x800) {
 913                         /* 2 characters */
 914                 unsigned char high = c >> 6;
 915                 unsigned char low  = c & 0x3F;
 916                         left = left - 2;
 917                 if ((int) left < 0) break;
 918                 *pos++ = high | 0xC0;
 919                 *pos++ = low  | 0x80;
 920
 921                 } else {
 922                 /* 3 characters */
 923                 char low  = c & 0x3f;
 924                 char mid  = (c >> 6) & 0x3F;
 925                 char high = c >> 12;
 926                         left = left - 3;
 927                 if ((int) left < 0) break;
 928                 *pos++ = high | 0xE0;
 929                 *pos++ = mid  | 0x80;
 930                 *pos++ = low  | 0x80;
 931                 }
 932         }
 933
 934         /* insert utf-string into symbol-table */
 935         result = utf_new(buffer,buflength);
 936
 937         MFREE(buffer, char, buflength);
 938
 939         return result;
 940 }
 941
 942
 943 /********************* function: javastring_toutf *****************************
 944
 945         make utf symbol from javastring
 946
 947 *******************************************************************************/
 948
 949 utf *javastring_toutf(java_lang_String *string, bool isclassname)
 950 {
 951         java_lang_String *str = (java_lang_String *) string;
 952 /*      printf("javastring_toutf offset: %d, len %d\n",str->offset, str->count);
 953         fflush(stdout);*/
 954         return utf_new_u2(str->value->data + str->offset, str->count, isclassname);
 955 }
 956
 957
 958 /********************* function: literalstring_u2 *****************************
 959
 960     searches for the javastring with the specified u2-array in
 961     the string hashtable, if there is no such string a new one is
 962     created
 963
 964     if copymode is true a copy of the u2-array is made
 965
 966 *******************************************************************************/
 967
 968 java_objectheader *literalstring_u2 (java_chararray *a, u4 length, bool copymode )
 969 {
 970     literalstring *s;                /* hashtable element */
 971     java_lang_String *js;            /* u2-array wrapped in javastring */
 972     java_chararray *stringdata;      /* copy of u2-array */
 973     u4 key;
 974     u4 slot;
 975     u2 i;
 976
 977 #if JOWENN_DEBUG1
 978     printf("literalstring_u2: length: %d\n",length);
 979     log_text("literalstring_u2");
 980 #endif
 981
 982     /* find location in hashtable */
 983     key  = unicode_hashkey (a->data, length);
 984     slot = key & (string_hash.size-1);
 985     s    = string_hash.ptr[slot];
 986
 987     while (s) {
 988
 989       js = (java_lang_String *) s->string;
 990
 991       if (js->count == length) {
 992         /* compare text */
 993         for (i=0; i<length; i++)
 994           if (js->value->data[i] != a->data[i]) goto nomatch;
 995
 996         /* string already in hashtable, free memory */
 997         if (!copymode)
 998                 lit_mem_free(a, sizeof(java_chararray) + sizeof(u2) * (length - 1) + 10);
 999
1000 #ifdef JOWENN_DEBUG1
1001         log_text("literalstring_u2: foundentry");
1002         utf_display(javastring_toutf(js,0));
1003 #endif
1004         return (java_objectheader *) js;
1005       }
1006
1007       nomatch:
1008       /* follow link in external hash chain */
1009       s = s->hashlink;
1010     }
1011
1012     if (copymode) {
1013       /* create copy of u2-array for new javastring */
1014       u4 arraysize = sizeof(java_chararray) + sizeof(u2)*(length-1)+10;
1015       stringdata = lit_mem_alloc ( arraysize );
1016       memcpy(stringdata, a, arraysize );
1017     }
1018     else
1019       stringdata = a;
1020
1021     /* location in hashtable found, complete arrayheader */
1022     stringdata -> header.objheader.vftbl = primitivetype_table[ARRAYTYPE_CHAR].arrayvftbl;
1023     stringdata -> header.size = length;
1024
1025     /* create new javastring */
1026     js = LNEW (java_lang_String);
1027     js -> header.vftbl = class_java_lang_String -> vftbl;
1028     js -> value  = stringdata;
1029     js -> offset = 0;
1030     js -> count  = length;
1031
1032     /* create new literalstring */
1033     s = NEW (literalstring);
1034     s->hashlink = string_hash.ptr[slot];
1035     s->string   = (java_objectheader *) js;
1036     string_hash.ptr[slot] = s;
1037
1038     /* update numbe of hashtable entries */
1039     string_hash.entries++;
1040
1041     /* reorganization of hashtable */
1042     if ( string_hash.entries > (string_hash.size*2)) {
1043
1044       /* reorganization of hashtable, average length of
1045          the external chains is approx. 2                */
1046
1047       u4 i;
1048       literalstring *s;
1049       hashtable newhash; /* the new hashtable */
1050
1051       /* create new hashtable, double the size */
1052       init_hashtable(&newhash, string_hash.size*2);
1053       newhash.entries=string_hash.entries;
1054
1055       /* transfer elements to new hashtable */
1056       for (i=0; i<string_hash.size; i++) {
1057         s = string_hash.ptr[i];
1058         while (s) {
1059           literalstring *nexts = s -> hashlink;
1060           js   = (java_lang_String*) s->string;
1061           slot = (unicode_hashkey(js->value->data,js->count)) & (newhash.size-1);
1062
1063           s->hashlink = newhash.ptr[slot];
1064           newhash.ptr[slot] = s;
1065
1066           /* follow link in external hash chain */
1067           s = nexts;
1068         }
1069       }
1070
1071       /* dispose old table */
1072       MFREE (string_hash.ptr, void*, string_hash.size);
1073       string_hash = newhash;
1074     }
1075 #ifdef JOWENN_DEBUG1
1076         log_text("literalstring_u2: newly created");
1077 /*      utf_display(javastring_toutf(js,0));*/
1078 #endif
1079
1080     return (java_objectheader *) js;
1081 }
1082
1083 /******************** Function: literalstring_new *****************************
1084
1085     creates a new javastring with the text of the utf-symbol
1086     and inserts it into the string hashtable
1087
1088 *******************************************************************************/
1089
1090 java_objectheader *literalstring_new (utf *u)
1091 {
1092     char *utf_ptr = u->text;         /* pointer to current unicode character in utf string */
1093     u4 utflength  = utf_strlen(u);   /* length of utf-string if uncompressed */
1094     java_chararray *a;               /* u2-array constructed from utf string */
1095     u4 i;
1096 /*    log_text("literalstring_new"); */
1097 /*    utf_display(u);*/
1098     /*if (utflength==0) while (1) sleep(60);*/
1099 /*    log_text("------------------");    */
1100     /* allocate memory */
1101     a = lit_mem_alloc (sizeof(java_chararray) + sizeof(u2)*(utflength-1)+10 );
1102     /* convert utf-string to u2-array */
1103     for (i=0; i<utflength; i++) a->data[i] = utf_nextu2(&utf_ptr);
1104
1105     return literalstring_u2(a, utflength, false);
1106 }
1107
1108
1109 /********************** function: literalstring_free **************************
1110
1111         removes a javastring from memory
1112
1113 ******************************************************************************/
1114
1115 void literalstring_free (java_objectheader* sobj)
1116 {
1117         java_lang_String *s = (java_lang_String*) sobj;
1118         java_chararray *a = s->value;
1119
1120         log_text("literalstring_free called");
1121
1122         /* dispose memory of java.lang.String object */
1123         LFREE (s, java_lang_String);
1124         /* dispose memory of java-characterarray */
1125         LFREE (a, sizeof(java_chararray) + sizeof(u2)*(a->header.size-1)); /* +10 ?? */
1126 }
1127
1128
1129
1130
1131 void copy_vftbl(vftbl **dest, vftbl *src)
1132 {
1133     *dest = src;
1134 #if 0
1135     /* XXX this kind of copying does not work (in the general
1136      * case). The interface tables would have to be copied, too. I
1137      * don't see why we should make a copy anyway. -Edwin
1138      */
1139         *dest = mem_alloc(sizeof(vftbl) + sizeof(methodptr)*(src->vftbllength-1));
1140         memcpy(*dest, src, sizeof(vftbl) - sizeof(methodptr));
1141         memcpy(&(*dest)->table, &src->table, src->vftbllength * sizeof(methodptr));
1142 #endif
1143 }
1144
1145
1146 /******************************************************************************************
1147
1148         creates method signature (excluding return type) from array of
1149         class-objects representing the parameters of the method
1150
1151 *******************************************************************************************/
1152
1153
1154 utf *create_methodsig(java_objectarray* types, char *retType)
1155 {
1156     char *buffer;       /* buffer for building the desciptor */
1157     char *pos;          /* current position in buffer */
1158     utf *result;        /* the method signature */
1159     u4 buffer_size = 3; /* minimal size=3: room for parenthesis and returntype */
1160     u4 i, j;
1161
1162     if (!types) return NULL;
1163
1164     /* determine required buffer-size */
1165     for (i=0;i<types->header.size;i++) {
1166       classinfo *c = (classinfo *) types->data[i];
1167       buffer_size  = buffer_size + c->name->blength+2;
1168     }
1169
1170     if (retType) buffer_size+=strlen(retType);
1171
1172     /* allocate buffer */
1173     buffer = MNEW(u1, buffer_size);
1174     pos    = buffer;
1175
1176     /* method-desciptor starts with parenthesis */
1177     *pos++ = '(';
1178
1179     for (i=0;i<types->header.size;i++) {
1180
1181             char ch;
1182             /* current argument */
1183             classinfo *c = (classinfo *) types->data[i];
1184             /* current position in utf-text */
1185             char *utf_ptr = c->name->text;
1186
1187             /* determine type of argument */
1188             if ( (ch = utf_nextu2(&utf_ptr)) == '[' ) {
1189
1190                 /* arrayclass */
1191                 for ( utf_ptr--; utf_ptr<utf_end(c->name); utf_ptr++)
1192                    *pos++ = *utf_ptr; /* copy text */
1193
1194             } else
1195             {
1196                 /* check for primitive types */
1197                 for (j=0; j<PRIMITIVETYPE_COUNT; j++) {
1198
1199                         char *utf_pos   = utf_ptr-1;
1200                         char *primitive = primitivetype_table[j].wrapname;
1201
1202                         /* compare text */
1203                         while (utf_pos<utf_end(c->name))
1204                                 if (*utf_pos++ != *primitive++) goto nomatch;
1205
1206                         /* primitive type found */
1207                         *pos++ = primitivetype_table[j].typesig;
1208                         goto next_type;
1209
1210                 nomatch:
1211                 }
1212
1213                 /* no primitive type and no arrayclass, so must be object */
1214                 *pos++ = 'L';
1215                 /* copy text */
1216                 for ( utf_ptr--; utf_ptr<utf_end(c->name); utf_ptr++)
1217                         *pos++ = *utf_ptr;
1218                 *pos++ = ';';
1219
1220                 next_type:
1221             }
1222     }
1223
1224     *pos++ = ')';
1225
1226     if (retType) {
1227         for (i=0;i<strlen(retType);i++) {
1228                 *pos++=retType[i];
1229         }
1230     }
1231     /* create utf-string */
1232     result = utf_new(buffer,(pos-buffer));
1233     MFREE(buffer, u1, buffer_size);
1234
1235     return result;
1236 }
1237
1238
1239 /******************************************************************************************
1240
1241         retrieve the next argument or returntype from a descriptor
1242         and return the corresponding class
1243
1244 *******************************************************************************************/
1245
1246 classinfo *get_type(char **utf_ptr,char *desc_end, bool skip)
1247 {
1248     classinfo *c = class_from_descriptor(*utf_ptr,desc_end,utf_ptr,
1249                                          (skip) ? CLASSLOAD_SKIP : CLASSLOAD_LOAD);
1250     if (!c)
1251         /* unknown type */
1252         panic("illegal descriptor");
1253
1254     if (skip) return NULL;
1255
1256     use_class_as_object(c);
1257     return c;
1258 }
1259
1260
1261 /******************************************************************************************
1262
1263         use the descriptor of a method to generate a java/lang/Class array
1264         which contains the classes of the parametertypes of the method
1265
1266 *******************************************************************************************/
1267
1268 java_objectarray* get_parametertypes(methodinfo *m)
1269 {
1270     utf  *descr    =  m->descriptor;    /* method-descriptor */
1271     char *utf_ptr  =  descr->text;      /* current position in utf-text */
1272     char *desc_end =  utf_end(descr);   /* points behind utf string     */
1273     java_objectarray* result;
1274     int parametercount = 0;
1275     int i;
1276
1277     /* skip '(' */
1278     utf_nextu2(&utf_ptr);
1279
1280     /* determine number of parameters */
1281     while ( *utf_ptr != ')' ) {
1282         get_type(&utf_ptr,desc_end,true);
1283         parametercount++;
1284     }
1285
1286     /* create class-array */
1287     result = builtin_anewarray(parametercount, class_java_lang_Class);
1288
1289     utf_ptr  =  descr->text;
1290     utf_nextu2(&utf_ptr);
1291
1292     /* get returntype classes */
1293     for (i = 0; i < parametercount; i++)
1294             result->data[i] = (java_objectheader *) get_type(&utf_ptr,desc_end, false);
1295
1296     return result;
1297 }
1298
1299
1300 /******************************************************************************************
1301
1302         get the returntype class of a method
1303
1304 *******************************************************************************************/
1305
1306 classinfo *get_returntype(methodinfo *m)
1307 {
1308         char *utf_ptr;   /* current position in utf-text */
1309         char *desc_end;  /* points behind utf string     */
1310         utf *desc = m->descriptor; /* method-descriptor  */
1311
1312         utf_ptr  = desc->text;
1313         desc_end = utf_end(desc);
1314
1315         /* ignore parametertypes */
1316         while ((utf_ptr<desc_end) && utf_nextu2(&utf_ptr)!=')')
1317                 /* skip */ ;
1318
1319         return get_type(&utf_ptr,desc_end, false);
1320 }
1321
1322
1323 /*****************************************************************************/
1324 /*****************************************************************************/
1325
1326
1327 /*--------------------------------------------------------*/
1328 void printNativeCall(nativeCall nc) {
1329   int i,j;
1330
1331   printf("\n%s's Native Methods call:\n",nc.classname); fflush(stdout);
1332   for (i=0; i<nc.methCnt; i++) {
1333       printf("\tMethod=%s %s\n",nc.methods[i].methodname, nc.methods[i].descriptor);fflush(stdout);
1334
1335     for (j=0; j<nc.callCnt[i]; j++) {
1336         printf("\t\t<%i,%i>aCalled = %s %s %s\n",i,j,
1337         nc.methods[i].methodCalls[j].classname,
1338         nc.methods[i].methodCalls[j].methodname,
1339         nc.methods[i].methodCalls[j].descriptor);fflush(stdout);
1340       }
1341     }
1342   printf("-+++++--------------------\n");fflush(stdout);
1343 }
1344
1345 /*--------------------------------------------------------*/
1346 void printCompNativeCall(nativeCompCall nc) {
1347   int i,j;
1348   printf("printCompNativeCall BEGIN\n");fflush(stdout);
1349   printf("\n%s's Native Comp Methods call:\n",nc.classname->text);fflush(stdout);
1350   utf_display(nc.classname); fflush(stdout);
1351
1352   for (i=0; i<nc.methCnt; i++) {
1353     printf("\tMethod=%s %s\n",nc.methods[i].methodname->text,nc.methods[i].descriptor->text);fflush(stdout);
1354     utf_display(nc.methods[i].methodname); fflush(stdout);
1355     utf_display(nc.methods[i].descriptor);fflush(stdout);
1356     printf("\n");fflush(stdout);
1357
1358     for (j=0; j<nc.callCnt[i]; j++) {
1359       printf("\t\t<%i,%i>bCalled = ",i,j);fflush(stdout);
1360         utf_display(nc.methods[i].methodCalls[j].classname);fflush(stdout);
1361         utf_display(nc.methods[i].methodCalls[j].methodname); fflush(stdout);
1362         utf_display(nc.methods[i].methodCalls[j].descriptor);fflush(stdout);
1363         printf("\n");fflush(stdout);
1364       }
1365     }
1366 printf("---------------------\n");fflush(stdout);
1367 }
1368
1369
1370 /*--------------------------------------------------------*/
1371 classMeth findNativeMethodCalls(utf *c, utf *m, utf *d )
1372 {
1373     int i = 0;
1374     int j = 0;
1375     int cnt = 0;
1376     classMeth mc;
1377     mc.i_class = i;
1378     mc.j_method = j;
1379     mc.methCnt = cnt;
1380
1381     return mc;
1382 }
1383
1384 /*--------------------------------------------------------*/
1385 nativeCall* findNativeClassCalls(char *aclassname ) {
1386 int i;
1387
1388 for (i=0;i<NATIVECALLSSIZE; i++) {
1389    /* convert table to utf later to speed up search */
1390    if (strcmp(nativeCalls[i].classname, aclassname) == 0)
1391         return &nativeCalls[i];
1392    }
1393
1394 return NULL;
1395 }
1396 /*--------------------------------------------------------*/
1397 /*--------------------------------------------------------*/
1398 void utfNativeCall(nativeCall nc, nativeCompCall *ncc) {
1399   int i,j;
1400
1401
1402   ncc->classname = utf_new_char(nc.classname);
1403   ncc->methCnt = nc.methCnt;
1404
1405   for (i=0; i<nc.methCnt; i++) {
1406     ncc->methods[i].methodname = utf_new_char(nc.methods[i].methodname);
1407     ncc->methods[i].descriptor = utf_new_char(nc.methods[i].descriptor);
1408     ncc->callCnt[i] = nc.callCnt[i];
1409
1410     for (j=0; j<nc.callCnt[i]; j++) {
1411
1412         ncc->methods[i].methodCalls[j].classname  = utf_new_char(nc.methods[i].methodCalls[j].classname);
1413
1414         if (strcmp("", nc.methods[i].methodCalls[j].methodname) != 0) {
1415           ncc->methods[i].methodCalls[j].methodname = utf_new_char(nc.methods[i].methodCalls[j].methodname);
1416           ncc->methods[i].methodCalls[j].descriptor = utf_new_char(nc.methods[i].methodCalls[j].descriptor);
1417           }
1418         else {
1419           ncc->methods[i].methodCalls[j].methodname = NULL;
1420           ncc->methods[i].methodCalls[j].descriptor = NULL;
1421           }
1422       }
1423     }
1424 }
1425
1426
1427
1428 /*--------------------------------------------------------*/
1429
1430 bool natcall2utf(bool natcallcompdone) {
1431 int i;
1432
1433 if (natcallcompdone)
1434         return true;
1435
1436 for (i=0;i<NATIVECALLSSIZE; i++) {
1437    utfNativeCall  (nativeCalls[i], &nativeCompCalls[i]);
1438    }
1439
1440 return true;
1441 }
1442 /*--------------------------------------------------------*/
1443
1444
1445 /*
1446  * These are local overrides for various environment variables in Emacs.
1447  * Please do not remove this and leave it at the end of the file, where
1448  * Emacs will automagically detect them.
1449  * ---------------------------------------------------------------------
1450  * Local variables:
1451  * mode: c
1452  * indent-tabs-mode: t
1453  * c-basic-offset: 4
1454  * tab-width: 4
1455  * End:
1456  */