-/****************************** native.c ***************************************
+/* native.c - table of native functions
- Copyright (c) 1997 A. Krall, R. Grafl, M. Gschwind, M. Probst
+ Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
+ R. Grafl, A. Krall, C. Kruegel, C. Oates, R. Obermaisser,
+ M. Probst, S. Ring, E. Steiner, C. Thalinger, D. Thuernbeck,
+ P. Tomsich, J. Wenninger
- See file COPYRIGHT for information on usage and disclaimer of warranties
+ This file is part of CACAO.
- Enth"alt die Tabellen f"ur die native-methods.
- Die vom Headerfile-Generator erzeugten -.hh - Dateien werden hier
- eingebunden, und ebenso alle C-Funktionen, mit denen diese
- Methoden implementiert werden.
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2, or (at
+ your option) any later version.
- Authors: Reinhard Grafl EMAIL: cacao@complang.tuwien.ac.at
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
- Last Change: 1996/11/14
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA.
-*******************************************************************************/
+ Contact: cacao@complang.tuwien.ac.at
+
+ Authors: Reinhard Grafl
+ Roman Obermaisser
+ Andreas Krall
+
+ The .hh files created with the header file generator are all
+ included here as are the C functions implementing these methods.
+
+ $Id: native.c 730 2003-12-11 21:23:31Z edwin $
+
+*/
+
+#include <stdlib.h>
#include <unistd.h>
#include <time.h>
+#include <math.h>
+#include <string.h>
+#include <assert.h>
+#include <sys/time.h>
+#include <utime.h>
-
+#include "config.h"
#include "global.h"
+#include "jni.h"
#include "native.h"
-
-#include "builtin.h"
#include "nativetypes.hh"
+#include "builtin.h"
#include "asmpart.h"
#include "tables.h"
#include "loader.h"
-
-
+#include "toolbox/loging.h"
+#include "toolbox/memory.h"
+#include "threads/thread.h"
+#include "threads/threadio.h"
+#include "threads/locks.h"
+
+/* Include files for IO functions */
+
+#include <fcntl.h>
+#include <dirent.h>
+#include <sys/types.h>
+#ifdef _OSF_SOURCE
+#include <sys/mode.h>
+#endif
+#include <sys/stat.h>
+
+#include "threads/threadio.h"
+
+/* searchpath for classfiles */
+char *classpath;
+
+/* for java-string to char conversion */
+#define MAXSTRINGSIZE 1000
+
+/******************** systemclasses required for native methods ***************/
+
+classinfo *class_java_lang_Class;
+classinfo *class_java_lang_VMClass;
+methodinfo *method_vmclass_init;
+/* static classinfo *class_java_lang_Cloneable=0; */ /* now in global.h */
+classinfo *class_java_lang_CloneNotSupportedException;
+classinfo *class_java_lang_System;
+classinfo *class_java_lang_ClassLoader;
+classinfo *class_java_lang_ClassNotFoundException;
+classinfo *class_java_lang_LinkageError;
+classinfo *class_java_lang_InstantiationException;
+classinfo *class_java_lang_NoSuchMethodError;
+classinfo *class_java_lang_NoSuchFieldError;
+classinfo *class_java_lang_ClassFormatError;
+classinfo *class_java_lang_IllegalArgumentException;
+classinfo *class_java_lang_ArrayIndexOutOfBoundsException;
+classinfo *class_java_lang_NoSuchFieldException;
+classinfo *class_java_io_SyncFailedException;
+classinfo *class_java_io_IOException;
+classinfo *class_java_io_FileNotFoundException;
+classinfo *class_java_io_UnixFileSystem;
+classinfo *class_java_security_PrivilegedActionException;
+classinfo *class_java_net_UnknownHostException;
+classinfo *class_java_net_SocketException;
+classinfo *class_java_lang_NoSuchMethodException;
+classinfo *class_java_lang_Double;
+classinfo *class_java_lang_Float;
+classinfo *class_java_lang_Long;
+classinfo *class_java_lang_Byte;
+classinfo *class_java_lang_Short;
+classinfo *class_java_lang_Boolean;
+classinfo *class_java_lang_Void;
+classinfo *class_java_lang_Character;
+classinfo *class_java_lang_Integer;
+
+/* the system classloader object */
+struct java_lang_ClassLoader *SystemClassLoader = NULL;
+
+/* for raising exceptions from native methods */
java_objectheader* exceptionptr = NULL;
+/************* use classinfo structure as java.lang.Class object **************/
+void use_class_as_object(classinfo *c)
+{
+ vftbl *vt;
+ vftbl *newtbl;
+
+ if (!class_java_lang_Class)
+ class_java_lang_Class = class_new(utf_new_char ("java/lang/Class"));
+
+ vt = class_java_lang_Class->vftbl;
+
+
+ if (!c->classvftbl) {
+ c->classvftbl = true;
+
+ /* copy_vftbl(&newtbl, vt);
+ newtbl->class = c->header.vftbl->class;
+ newtbl->baseval = c->header.vftbl->baseval;
+ newtbl->diffval = c->header.vftbl->diffval;
+ c->header.vftbl = newtbl;*/
+
+ c->header.vftbl = class_java_lang_Class->vftbl;
+
+ if (!class_java_lang_VMClass) {
+ loader_load_sysclass(&class_java_lang_VMClass,
+ utf_new_char("java/lang/VMClass"));
+
+ method_vmclass_init =
+ class_findmethod(class_java_lang_VMClass,
+ utf_new_char("<init>"),
+ utf_new_char("(Lgnu/classpath/RawData;)V"));
+
+ if (method_vmclass_init == 0) {
+ class_showmethods(class_java_lang_VMClass);
+ panic("Needed class initializer for VMClass could not be found");
+ }
+ }
+ {
+ java_objectheader *vmo = builtin_new(class_java_lang_VMClass);
-static char *classpath;
-
-
-/******************** die f"r die native-Methoden n"otigen Systemklassen *****/
-
-static classinfo *class_java_lang_Class;
-static classinfo *class_java_lang_Cloneable;
-static classinfo *class_java_lang_CloneNotSupportedException;
-static classinfo *class_java_lang_Double;
-static classinfo *class_java_lang_Float;
-static classinfo *class_java_io_IOException;
-static classinfo *class_java_lang_ClassNotFoundException;
-static classinfo *class_java_lang_InstantiationException;
+ if (!vmo) panic("Error while creating instance of java/lang/VMClass");
+ asm_calljavamethod(method_vmclass_init, vmo, c, NULL, NULL);
+ c->vmClass = (java_lang_VMClass *) vmo;
+ /*log_text("VMCLASS has been attached");*/
+ }
+ }
+}
+/*************************** include native methods ***************************/
-/************************** alle Funktionen einbinden ************************/
+#ifdef USE_GTK
+#include "nat/GdkGraphics.c"
+#include "nat/GtkComponentPeer.c"
+#include "nat/GdkPixbufDecoder.c"
+#include "nat/GtkScrollPanePeer.c"
+#include "nat/GtkFileDialogPeer.c"
+#include "nat/GtkLabelPeer.c"
+#endif
-#include "nat/lang.c"
-#include "nat/io.c"
-#include "nat/util.c"
+/************************** tables for methods ********************************/
-/********************** Tabellen f"ur die Methoden ***************************/
+#undef JOWENN_DEBUG
+#undef JOWENN_DEBUG1
+/* table for locating native methods */
static struct nativeref {
char *classname;
char *methodname;
#define NATIVETABLESIZE (sizeof(nativetable)/sizeof(struct nativeref))
+/* table for fast string comparison */
static struct nativecompref {
- unicode *classname;
- unicode *methodname;
- unicode *descriptor;
+ utf *classname;
+ utf *methodname;
+ utf *descriptor;
bool isstatic;
functionptr func;
- } nativecomptable [NATIVETABLESIZE];
+} nativecomptable [NATIVETABLESIZE];
+/* string comparsion table initialized */
static bool nativecompdone = false;
-/*********************** Funktion: native_loadclasses **************************
+/******************************************************************************/
+/******************************************************************************/
+#include "natcalls.h"
+
+/* string call comparison table initialized */
+
+/******************************************************************************/
+/******************************************************************************/
+
+/*--------------- native method calls & classes used -------------------------*/
+
+
+
+
+/*********************** function: native_loadclasses **************************
- L"adt alle Klassen, die die native Methoden zus"atzlich ben"otigen
+ load classes required for native methods
*******************************************************************************/
void native_loadclasses()
{
- class_java_lang_Cloneable =
- loader_load ( unicode_new_char ("java/lang/Cloneable") );
+ static int classesLoaded=0; /*temporary hack JoWenn*/
+ if (classesLoaded) return;
+ classesLoaded=1;
+/* log_text("loadclasses entered");*/
+
+
+ /*class_java_lang_System =*/
+ (void)class_new ( utf_new_char ("java/lang/VMClass") );/*JoWenn*/
+ (void)class_new ( utf_new_char ("java/lang/Class") );/*JoWenn*/
+ /* class_new adds the class to the list of classes to be loaded */
+ if (!class_java_lang_Cloneable)
+ class_java_lang_Cloneable =
+ class_new ( utf_new_char ("java/lang/Cloneable") );
+/* log_text("loadclasses: class_java_lang_Cloneable has been initialized");*/
class_java_lang_CloneNotSupportedException =
- loader_load ( unicode_new_char ("java/lang/CloneNotSupportedException") );
- class_java_lang_Class =
- loader_load ( unicode_new_char ("java/lang/Class") );
- class_java_lang_Double =
- loader_load ( unicode_new_char ("java/lang/Double") );
- class_java_lang_Float =
- loader_load ( unicode_new_char ("java/lang/Float") );
+ class_new ( utf_new_char ("java/lang/CloneNotSupportedException") );
+ if (!class_java_lang_Class)
+ class_java_lang_Class =
+ class_new ( utf_new_char ("java/lang/Class") );
class_java_io_IOException =
- loader_load ( unicode_new_char ("java/io/IOException") );
+ class_new(utf_new_char("java/io/IOException"));
+ class_java_io_FileNotFoundException =
+ class_new(utf_new_char("java/io/FileNotFoundException"));
class_java_lang_ClassNotFoundException =
- loader_load ( unicode_new_char ("java/lang/ClassNotFoundException") );
- class_java_lang_InstantiationException=
- loader_load ( unicode_new_char ("java/lang/InstantiationException") );
+ class_new(utf_new_char("java/lang/ClassNotFoundException"));
+ class_java_lang_LinkageError =
+ class_new(utf_new_char("java/lang/LinkageError"));
+ class_java_lang_InstantiationException =
+ class_new(utf_new_char("java/lang/InstantiationException"));
+ class_java_lang_NoSuchMethodError =
+ class_new(utf_new_char("java/lang/NoSuchMethodError"));
+ class_java_lang_NoSuchFieldError =
+ class_new(utf_new_char("java/lang/NoSuchFieldError"));
+ class_java_lang_ClassFormatError =
+ class_new(utf_new_char("java/lang/ClassFormatError"));
+ class_java_io_SyncFailedException =
+ class_new ( utf_new_char ("java/io/SyncFailedException") );
+
+/* log_text("native_loadclasses: class_new(\"java/lang/ClassLoader\")"); */
+ class_java_lang_ClassLoader =
+ class_new ( utf_new_char ("java/lang/ClassLoader") );
+/* log_text("native_loadclasses: class_new(\"java/security/PrivilegedActionException\")"); */
+ class_java_security_PrivilegedActionException =
+ class_new(utf_new_char("java/security/PrivilegedActionException"));
+
+ loader_load_sysclass(&class_java_net_UnknownHostException,
+ utf_new_char("java/net/UnknownHostException"));
+ loader_load_sysclass(&class_java_net_SocketException,
+ utf_new_char("java/net/SocketException"));
+
+ class_java_lang_IllegalArgumentException =
+ class_new(utf_new_char("java/lang/IllegalArgumentException"));
+ class_java_lang_ArrayIndexOutOfBoundsException =
+ class_new(utf_new_char("java/lang/ArrayIndexOutOfBoundsException"));
+ class_java_lang_NoSuchFieldException =
+ class_new(utf_new_char("java/lang/NoSuchFieldException"));
+ class_java_lang_NoSuchMethodException =
+ class_new(utf_new_char("java/lang/NoSuchMethodException"));
+
+ /* load classes for wrapping primitive types */
+ class_java_lang_Double =
+ class_new( utf_new_char ("java/lang/Double") );
+ class_init(class_java_lang_Double);
+
+ class_java_lang_Float =
+ class_new(utf_new_char("java/lang/Float"));
+ class_java_lang_Character =
+ class_new(utf_new_char("java/lang/Character"));
+ class_java_lang_Integer =
+ class_new(utf_new_char("java/lang/Integer"));
+ class_java_lang_Long =
+ class_new(utf_new_char("java/lang/Long"));
+ class_java_lang_Byte =
+ class_new(utf_new_char("java/lang/Byte"));
+ class_java_lang_Short =
+ class_new(utf_new_char("java/lang/Short"));
+ class_java_lang_Boolean =
+ class_new(utf_new_char("java/lang/Boolean"));
+ class_java_lang_Void =
+ class_new(utf_new_char("java/lang/Void"));
+
+ classesLoaded=1;
+ log_text("native_loadclasses finished");
+}
+
+
+/*************** adds a class to the vector of loaded classes ****************/
+
+void systemclassloader_addclass(classinfo *c)
+{
+ methodinfo *m;
+
+ /* find method addClass of java.lang.ClassLoader */
+ m = class_resolvemethod(
+ class_java_lang_ClassLoader,
+ utf_new_char("addClass"),
+ utf_new_char("(Ljava/lang/Class;)")
+ );
+ if (!m) panic("warning: cannot initialize classloader");
+
+ /* prepare class to be passed as argument */
+ use_class_as_object (c);
+
+ /* call 'addClass' */
+ asm_calljavamethod(m,
+ (java_objectheader*) SystemClassLoader,
+ (java_objectheader*) c,
+ NULL,
+ NULL
+ );
+}
+
+/*************** adds a library to the vector of loaded libraries *************/
+
+void systemclassloader_addlibrary(java_objectheader *o)
+{
+ log_text("systemclassloader_addlibrary");
+}
+
+/*****************************************************************************
+
+ create systemclassloader object and initialize instance fields
+
+******************************************************************************/
+
+void init_systemclassloader()
+{
+ if (!SystemClassLoader) {
+ native_loadclasses();
+ log_text("Initializing new system class loader");
+ /* create object and call initializer */
+ SystemClassLoader = (java_lang_ClassLoader*) native_new_and_init(class_java_lang_ClassLoader);
+ heap_addreference((void**) &SystemClassLoader);
+
+ /* systemclassloader has no parent */
+ SystemClassLoader->parent = NULL;
+ SystemClassLoader->initialized = true;
+ }
+ log_text("leaving system class loader");
+}
+
+
+/********************* add loaded library name *******************************/
+
+void systemclassloader_addlibname(java_objectheader *o)
+{
+ methodinfo *m;
+ jfieldID id;
+
+ m = class_resolvemethod(loader_load_sysclass(NULL,utf_new_char ("java/util/Vector")),
+ utf_new_char("addElement"),
+ utf_new_char("(Ljava/lang/Object;)V")
+ );
+
+ if (!m) panic("cannot initialize classloader");
+
+ id = envTable.GetStaticFieldID(&env,class_java_lang_ClassLoader,"loadedLibraryNames","Ljava/util/Vector;");
+ if (!id) panic("can not access ClassLoader");
+
+ asm_calljavamethod(m,
+ GetStaticObjectField(&env,class_java_lang_ClassLoader,id),
+ o,
+ NULL,
+ NULL
+ );
}
-/********************* Funktion: native_setclasspath ***************************/
+
+/********************* function: native_setclasspath **************************/
void native_setclasspath (char *path)
{
+ /* set searchpath for classfiles */
classpath = path;
}
-/*********************** Funktion: native_findfunction ************************
+/***************** function: throw_classnotfoundexception *********************/
+
+void throw_classnotfoundexception()
+{
+ dolog("throw_classnotfoundexception");
+ if (!class_java_lang_ClassNotFoundException) {
+ panic("java.lang.ClassNotFoundException not found. Maybe wrong classpath?");
+ }
+
+ /* throws a ClassNotFoundException */
+ exceptionptr = native_new_and_init(class_java_lang_ClassNotFoundException);
+ dolog("set exceptionptr");
+}
+
+
+void throw_classnotfoundexception2(utf* classname)
+{
+ dolog("throw_classnotfoundexception2");
+ log_plain("Class: "); log_plain_utf(classname); log_nl();
+
+ if (!class_java_lang_ClassNotFoundException) {
+ panic("java.lang.ClassNotFoundException not found. Maybe wrong classpath?");
+ }
+
+ /* throws a ClassNotFoundException with message */
+ exceptionptr = native_new_and_init_string(class_java_lang_ClassNotFoundException,
+ javastring_new(classname));
+ dolog("set exceptionptr");
+}
+
+void throw_linkageerror2(utf* classname)
+{
+ dolog("throw_linkageerror2");
+ log_plain("Class: "); log_plain_utf(classname); log_nl();
+
+ if (!class_java_lang_LinkageError) {
+ panic("java.lang.LinkageError not found. Maybe wrong classpath?");
+ }
+
+ /* throws a ClassNotFoundException with message */
+ exceptionptr = native_new_and_init_string(class_java_lang_LinkageError,
+ javastring_new(classname));
+ dolog("set exceptionptr");
+}
+
- Sucht in der Tabelle die passende Methode (muss mit Klassennamen,
- Methodennamen, Descriptor und 'static'-Status "ubereinstimmen),
- und gibt den Funktionszeiger darauf zur"uck.
- Return: Funktionszeiger oder NULL (wenn es keine solche Methode gibt)
+/*********************** Function: native_findfunction *************************
- Anmerkung: Zu Beschleunigung des Suchens werden die als C-Strings
- vorliegenden Namen/Descriptors in entsprechende unicode-Symbole
- umgewandelt (beim ersten Aufruf dieser Funktion).
+ Looks up a method (must have the same class name, method name, descriptor
+ and 'static'ness) and returns a function pointer to it.
+ Returns: function pointer or NULL (if there is no such method)
+
+ Remark: For faster operation, the names/descriptors are converted from C
+ strings to Unicode the first time this function is called.
*******************************************************************************/
-functionptr native_findfunction (unicode *cname, unicode *mname,
- unicode *desc, bool isstatic)
+functionptr native_findfunction(utf *cname, utf *mname,
+ utf *desc, bool isstatic)
{
- u4 i;
+ int i;
+ /* entry of table for fast string comparison */
struct nativecompref *n;
+ /* for warning message if no function is found */
+ char *buffer;
+ int buffer_len;
isstatic = isstatic ? true : false;
-
+
if (!nativecompdone) {
- for (i=0; i<NATIVETABLESIZE; i++) {
- nativecomptable[i].classname =
- unicode_new_char(nativetable[i].classname);
- nativecomptable[i].methodname =
- unicode_new_char(nativetable[i].methodname);
- nativecomptable[i].descriptor =
- unicode_new_char(nativetable[i].descriptor);
- nativecomptable[i].isstatic =
- nativetable[i].isstatic;
- nativecomptable[i].func =
- nativetable[i].func;
- }
- nativecompdone = true;
+ for (i = 0; i < NATIVETABLESIZE; i++) {
+ nativecomptable[i].classname =
+ utf_new_char(nativetable[i].classname);
+ nativecomptable[i].methodname =
+ utf_new_char(nativetable[i].methodname);
+ nativecomptable[i].descriptor =
+ utf_new_char(nativetable[i].descriptor);
+ nativecomptable[i].isstatic =
+ nativetable[i].isstatic;
+ nativecomptable[i].func =
+ nativetable[i].func;
}
+ nativecompdone = true;
+ }
+
+#ifdef JOWENN_DEBUG
+ buffer_len =
+ utf_strlen(cname) + utf_strlen(mname) + utf_strlen(desc) + 64;
+
+ buffer = MNEW(char, buffer_len);
+
+ strcpy(buffer, "searching matching function in native table:");
+ utf_sprint(buffer+strlen(buffer), mname);
+ strcpy(buffer+strlen(buffer), ": ");
+ utf_sprint(buffer+strlen(buffer), desc);
+ strcpy(buffer+strlen(buffer), " for class ");
+ utf_sprint(buffer+strlen(buffer), cname);
- for (i=0; i<NATIVETABLESIZE; i++) {
+ log_text(buffer);
+
+ MFREE(buffer, char, buffer_len);
+#endif
+
+ for (i = 0; i < NATIVETABLESIZE; i++) {
n = &(nativecomptable[i]);
- if (cname==n->classname && mname==n->methodname &&
- desc==n->descriptor && isstatic==n->isstatic) return n->func;
- }
+ if (cname == n->classname && mname == n->methodname &&
+ desc == n->descriptor && isstatic == n->isstatic)
+ return n->func;
+#ifdef JOWENN_DEBUG
+ else {
+ if (cname == n->classname && mname == n->methodname ) log_text("static and descriptor mismatch");
+
+ else {
+ buffer_len =
+ utf_strlen(n->classname) + utf_strlen(n->methodname) + utf_strlen(n->descriptor) + 64;
+
+ buffer = MNEW(char, buffer_len);
+ strcpy(buffer, "comparing with:");
+ utf_sprint(buffer+strlen(buffer), n->methodname);
+ strcpy (buffer+strlen(buffer), ": ");
+ utf_sprint(buffer+strlen(buffer), n->descriptor);
+ strcpy(buffer+strlen(buffer), " for class ");
+ utf_sprint(buffer+strlen(buffer), n->classname);
+
+ log_text(buffer);
+
+ MFREE(buffer, char, buffer_len);
+
+ }
+ }
+#endif
+ }
+
+
+ /* no function was found, display warning */
+
+ buffer_len =
+ utf_strlen(cname) + utf_strlen(mname) + utf_strlen(desc) + 64;
+
+ buffer = MNEW(char, buffer_len);
+
+ strcpy(buffer, "warning: native function ");
+ utf_sprint(buffer + strlen(buffer), mname);
+ strcpy(buffer + strlen(buffer), ": ");
+ utf_sprint(buffer + strlen(buffer), desc);
+ strcpy(buffer + strlen(buffer), " not found in class ");
+ utf_sprint(buffer + strlen(buffer), cname);
+
+ log_text(buffer);
+
+ MFREE(buffer, char, buffer_len);
+
+
+ exit(1);
+
+
return NULL;
}
-/********************** Funktion: javastring_new *****************************
+/********************** function: javastring_new *******************************
- Legt ein neues Objekt vom Typ java/lang/String an, und tr"agt als Text
- das "ubergebene unicode-Symbol ein.
- Return: Zeiger auf den String, oder NULL (wenn Speicher aus)
+ creates a new object of type java/lang/String with the text of
+ the specified utf8-string
-*****************************************************************************/
+ return: pointer to the string or NULL if memory is exhausted.
+
+*******************************************************************************/
-java_objectheader *javastring_new (unicode *text)
+java_objectheader *javastring_new (utf *u)
{
- u4 i;
- java_lang_String *s;
+ char *utf_ptr = u->text; /* current utf character in utf string */
+ int utflength = utf_strlen(u); /* length of utf-string if uncompressed */
+ java_lang_String *s; /* result-string */
java_chararray *a;
+ s4 i;
+
+/* log_text("javastring_new");*/
s = (java_lang_String*) builtin_new (class_java_lang_String);
- a = builtin_newarray_char (text->length);
+ a = builtin_newarray_char (utflength);
- if ( (!a) || (!s) ) return NULL;
+ /* javastring or character-array could not be created */
+ if ((!a) || (!s))
+ return NULL;
- for (i=0; i<text->length; i++) a->data[i] = text->text[i];
- s -> value = a;
- s -> offset = 0;
- s -> count = text->length;
+ /* decompress utf-string */
+ for (i = 0; i < utflength; i++)
+ a->data[i] = utf_nextu2(&utf_ptr);
+
+ /* set fields of the javastring-object */
+ s->value = a;
+ s->offset = 0;
+ s->count = utflength;
return (java_objectheader*) s;
}
+/********************** function: javastring_new_char **************************
-/********************** Funktion: javastring_new_char ************************
+ creates a new java/lang/String object which contains the convertet
+ C-string passed via text.
- Legt ein neues Objekt vom Typ java/lang/String an, und tr"agt als Text
- den "ubergebenen C-String ein.
- Return: Zeiger auf den String, oder NULL (wenn Speicher aus)
+ return: the object pointer or NULL if memory is exhausted.
-*****************************************************************************/
+*******************************************************************************/
java_objectheader *javastring_new_char (char *text)
{
- u4 i;
- u4 len = strlen(text);
- java_lang_String *s;
+ s4 i;
+ s4 len = strlen(text); /* length of the string */
+ java_lang_String *s; /* result-string */
java_chararray *a;
+ /*log_text("javastring_new_char");*/
s = (java_lang_String*) builtin_new (class_java_lang_String);
a = builtin_newarray_char (len);
- if ( (!a) || (!s) ) return NULL;
+ /* javastring or character-array could not be created */
+ if ((!a) || (!s)) return NULL;
- for (i=0; i<len; i++) a->data[i] = text[i];
- s -> value = a;
- s -> offset = 0;
- s -> count = len;
+ /* copy text */
+ for (i = 0; i < len; i++)
+ a->data[i] = text[i];
+
+ /* set fields of the javastring-object */
+ s->value = a;
+ s->offset = 0;
+ s->count = len;
return (java_objectheader*) s;
}
-/************************* Funktion: javastring_tochar *****************************
+/************************* function javastring_tochar **************************
- Macht aus einem java-string einen C-String, und liefert den Zeiger
- darauf zur"uck.
- Achtung: Beim n"achsten Aufruf der Funktion wird der vorige String
- "uberschrieben
+ converts a Java string into a C string.
+
+ return: pointer to C string
-***********************************************************************************/
+ Caution: every call of this function overwrites the previous string !!!
+
+*******************************************************************************/
-#define MAXSTRINGSIZE 1000
-char stringbuffer[MAXSTRINGSIZE];
+static char stringbuffer[MAXSTRINGSIZE];
char *javastring_tochar (java_objectheader *so)
{
java_lang_String *s = (java_lang_String*) so;
java_chararray *a;
- u4 i;
+ s4 i;
- if (!s) return "";
+ log_text("javastring_tochar");
+
+ if (!s)
+ return "";
a = s->value;
- if (!a) return "";
- if (s->count > MAXSTRINGSIZE) return "";
- for (i=0; i<s->count; i++) stringbuffer[i] = a->data[s->offset+i];
+ if (!a)
+ return "";
+ if (s->count > MAXSTRINGSIZE)
+ return "";
+ for (i = 0; i < s->count; i++)
+ stringbuffer[i] = a->data[s->offset+i];
stringbuffer[i] = '\0';
return stringbuffer;
}
-/******************** Funktion: native_new_and_init *************************
+/****************** function class_findfield_approx ****************************
+
+ searches in 'classinfo'-structure for a field with the
+ specified name
+
+*******************************************************************************/
+
+fieldinfo *class_findfield_approx(classinfo *c, utf *name)
+{
+ s4 i;
+ for (i = 0; i < c->fieldscount; i++) {
+ /* compare field names */
+ if ((c->fields[i].name == name))
+ return &(c->fields[i]);
+ }
+
+ /* field was not found, raise exception */
+ exceptionptr = native_new_and_init(class_java_lang_NoSuchFieldException);
+
+ return NULL;
+}
+
+s4 class_findfield_index_approx (classinfo *c, utf *name)
+{
+ s4 i;
+ for (i = 0; i < c->fieldscount; i++) {
+ /* compare field names */
+ if ((c->fields[i].name == name))
+ return i;
+ }
+
+ /* field was not found, raise exception */
+ exceptionptr = native_new_and_init(class_java_lang_NoSuchFieldException);
+ return -1;
+}
- Legt ein neues Objekt einer Klasse am Heap an, und ruft automatisch
- die Initialisierungsmethode auf.
- Return: Der Zeiger auf das Objekt, oder NULL, wenn kein Speicher
- mehr frei ist.
+
+/********************** function: native_new_and_init *************************
+
+ Creates a new object on the heap and calls the initializer.
+ Returns the object pointer or NULL if memory is exhausted.
-*****************************************************************************/
+*******************************************************************************/
-java_objectheader *native_new_and_init (classinfo *c)
+java_objectheader *native_new_and_init(classinfo *c)
{
methodinfo *m;
- java_objectheader *o = builtin_new (c);
+ java_objectheader *o;
- if (!o) return NULL;
+ /* if c==NULL it is probebly because loader_load failed */
+ if (!c) return exceptionptr;
+
+ o = builtin_new(c); /* create object */
- m = class_findmethod (c,
- unicode_new_char ("<init>"),
- unicode_new_char ("()V"));
- if (!m) {
- log_text ("warning: class has no instance-initializer:");
- unicode_sprint (logtext, c->name);
- dolog();
- return o;
+ /*
+ printf("native_new_and_init ");
+ utf_display(c->name);
+ printf("\n");
+ */
+ if (!o) return NULL;
+ /* printf("o!=NULL\n"); */
+ /* find initializer */
+
+ m = class_findmethod(c, utf_new_char("<init>"), utf_new_char("()V"));
+
+ if (!m) { /* initializer not found */
+ if (verbose) {
+ char logtext[MAXLOGTEXT];
+ sprintf(logtext, "Warning: class has no instance-initializer: ");
+ utf_sprint(logtext + strlen(logtext), c->name);
+ log_text(logtext);
}
+ return o;
+ }
+
+ /* call initializer */
+
+ asm_calljavamethod(m, o, NULL, NULL, NULL);
- asm_calljavamethod (m, o,NULL,NULL,NULL);
return o;
}
-/********************* Funktion: literalstring_new ****************************
+java_objectheader *native_new_and_init_string(classinfo *c, java_lang_String *s)
+{
+ methodinfo *m;
+ java_objectheader *o;
+
+ /* if c==NULL it is probebly because loader_load failed */
+ if (!c) return exceptionptr;
- erzeugt einen Java-String mit dem angegebenen Text, allerdings nicht
- auf dem HEAP, sondern in einem anderen Speicherbereich (der String
- muss dann sp"ater explizit wieder freigegeben werden).
- Alle Strings, die auf diese Art erzeugt werden, werden in einer
- gemeinsamen Struktur gespeichert (n"amlich auch "uber die
- Unicode-Hashtabelle), sodass identische Strings auch wirklich den
- gleichen Zeiger liefern.
+ o = builtin_new(c); /* create object */
-******************************************************************************/
+ if (!o) return NULL;
+
+ /* find initializer */
+
+ m = class_findmethod(c,
+ utf_new_char("<init>"),
+ utf_new_char("(Ljava/lang/String;)V"));
+
+ if (!m) { /* initializer not found */
+ if (verbose) {
+ char logtext[MAXLOGTEXT];
+ sprintf(logtext, "Warning: class has no instance-initializer: ");
+ utf_sprint(logtext + strlen(logtext), c->name);
+ log_text(logtext);
+ }
+ return o;
+ }
+
+ /* call initializer */
+
+ asm_calljavamethod(m, o, s, NULL, NULL);
-java_objectheader *literalstring_new (unicode *text)
+ return o;
+}
+
+
+/******************** function: stringtable_update ****************************
+
+ traverses the javastring hashtable and sets the vftbl-entries of
+ javastrings which were temporarily set to NULL, because
+ java.lang.Object was not yet loaded
+
+*******************************************************************************/
+
+void stringtable_update ()
{
- u4 i;
- java_lang_String *s;
+ java_lang_String *js;
java_chararray *a;
+ literalstring *s; /* hashtable entry */
+ int i;
+
+ for (i = 0; i < string_hash.size; i++) {
+ s = string_hash.ptr[i];
+ if (s) {
+ while (s) {
+
+ js = (java_lang_String *) s->string;
+
+ if (!js || !(a = js->value))
+ /* error in hashtable found */
+ panic("invalid literalstring in hashtable");
+
+ if (!js->header.vftbl)
+ /* vftbl of javastring is NULL */
+ js->header.vftbl = class_java_lang_String -> vftbl;
+
+ if (!a->header.objheader.vftbl)
+ /* vftbl of character-array is NULL */
+ a->header.objheader.vftbl = primitivetype_table[ARRAYTYPE_CHAR].arrayvftbl;
+
+ /* follow link in external hash chain */
+ s = s->hashlink;
+ }
+ }
+ }
+}
- if (text->string) return text->string;
+
+/************************* function: u2_utflength ***************************
+
+ returns the utf length in bytes of a u2 array
+
+*****************************************************************************/
+
+
+u4 u2_utflength(u2 *text, u4 u2_length)
+{
+ u4 result_len = 0; /* utf length in bytes */
+ u2 ch; /* current unicode character */
+ u4 len;
- a = lit_mem_alloc (sizeof(java_chararray) + sizeof(u2)*(text->length-1) );
- a -> header.objheader.vftbl = class_array -> vftbl;
- a -> header.size = text->length;
- a -> header.arraytype = ARRAYTYPE_CHAR;
- for (i=0; i<text->length; i++) a->data[i] = text->text[i];
-
- s = LNEW (java_lang_String);
- s -> header.vftbl = class_java_lang_String -> vftbl;
- s -> value = a;
- s -> offset = 0;
- s -> count = text->length;
-
- unicode_setstringlink (text, (java_objectheader*) s);
- return (java_objectheader*) s;
+ for (len = 0; len < u2_length; len++) {
+
+ /* next unicode character */
+ ch = *text++;
+
+ /* determine bytes required to store unicode character as utf */
+ if (ch && (ch < 0x80))
+ result_len++;
+ else if (ch < 0x800)
+ result_len += 2;
+ else
+ result_len += 3;
+ }
+
+ return result_len;
}
+/********************* function: utf_new_u2 ***********************************
+
+ make utf symbol from u2 array,
+ if isclassname is true '.' is replaced by '/'
-/********************** Funktion: literalstring_free **************************
+*******************************************************************************/
+
+utf *utf_new_u2(u2 *unicode_pos, u4 unicode_length, bool isclassname)
+{
+ char *buffer; /* memory buffer for unicode characters */
+ char *pos; /* pointer to current position in buffer */
+ u4 left; /* unicode characters left */
+ u4 buflength; /* utf length in bytes of the u2 array */
+ utf *result; /* resulting utf-string */
+ int i;
+
+ /* determine utf length in bytes and allocate memory */
+ /* printf("utf_new_u2: unicode_length=%d\n",unicode_length); */
+ buflength = u2_utflength(unicode_pos, unicode_length);
+ buffer = MNEW(char,buflength);
+
+ /* memory allocation failed */
+ if (!buffer) {
+ printf("length: %d\n",buflength);
+ log_text("utf_new_u2:buffer==NULL");
+ }
+
+ left = buflength;
+ pos = buffer;
+
+ for (i = 0; i++ < unicode_length; unicode_pos++) {
+ /* next unicode character */
+ u2 c = *unicode_pos;
+
+ if ((c != 0) && (c < 0x80)) {
+ /* 1 character */
+ left--;
+ if ((int) left < 0) break;
+ /* convert classname */
+ if (isclassname && c=='.')
+ *pos++ = '/';
+ else
+ *pos++ = (char) c;
+ } else if (c < 0x800) {
+ /* 2 characters */
+ unsigned char high = c >> 6;
+ unsigned char low = c & 0x3F;
+ left = left - 2;
+ if ((int) left < 0) break;
+ *pos++ = high | 0xC0;
+ *pos++ = low | 0x80;
+ } else {
+ /* 3 characters */
+ char low = c & 0x3f;
+ char mid = (c >> 6) & 0x3F;
+ char high = c >> 12;
+ left = left - 3;
+ if ((int) left < 0) break;
+ *pos++ = high | 0xE0;
+ *pos++ = mid | 0x80;
+ *pos++ = low | 0x80;
+ }
+ }
+
+ /* insert utf-string into symbol-table */
+ result = utf_new(buffer,buflength);
+
+ MFREE(buffer, char, buflength);
+ return result;
+}
- L"oscht einen Java-String wieder aus dem Speicher (wird zu Systemende
- vom Hashtabellen-Verwalter aufgerufen)
+/********************* function: javastring_toutf *****************************
+
+ make utf symbol from javastring
+
+*******************************************************************************/
+
+utf *javastring_toutf(java_lang_String *string, bool isclassname)
+{
+ java_lang_String *str = (java_lang_String *) string;
+/* printf("javastring_toutf offset: %d, len %d\n",str->offset, str->count);
+ fflush(stdout);*/
+ return utf_new_u2(str->value->data+str->offset,str->count, isclassname);
+}
+
+/********************* function: literalstring_u2 *****************************
+
+ searches for the javastring with the specified u2-array in
+ the string hashtable, if there is no such string a new one is
+ created
+
+ if copymode is true a copy of the u2-array is made
+
+*******************************************************************************/
+
+java_objectheader *literalstring_u2 (java_chararray *a, u4 length, bool copymode )
+{
+ literalstring *s; /* hashtable element */
+ java_lang_String *js; /* u2-array wrapped in javastring */
+ java_chararray *stringdata; /* copy of u2-array */
+ u4 key;
+ u4 slot;
+ u2 i;
+
+#if JOWENN_DEBUG1
+ printf("literalstring_u2: length: %d\n",length);
+ log_text("literalstring_u2");
+#endif
+
+ /* find location in hashtable */
+ key = unicode_hashkey (a->data, length);
+ slot = key & (string_hash.size-1);
+ s = string_hash.ptr[slot];
+
+ while (s) {
+
+ js = (java_lang_String *) s->string;
+
+ if (js->count == length) {
+ /* compare text */
+ for (i=0; i<length; i++)
+ if (js->value->data[i] != a->data[i]) goto nomatch;
+
+ /* string already in hashtable, free memory */
+ if (!copymode)
+ lit_mem_free(a, sizeof(java_chararray) + sizeof(u2)*(length-1)+10);
+
+#ifdef JOWENN_DEBUG1
+ log_text("literalstring_u2: foundentry");
+ utf_display(javastring_toutf(js,0));
+#endif
+ return (java_objectheader *) js;
+ }
+
+ nomatch:
+ /* follow link in external hash chain */
+ s = s->hashlink;
+ }
+
+ if (copymode) {
+ /* create copy of u2-array for new javastring */
+ u4 arraysize = sizeof(java_chararray) + sizeof(u2)*(length-1)+10;
+ stringdata = lit_mem_alloc ( arraysize );
+ memcpy(stringdata, a, arraysize );
+ }
+ else
+ stringdata = a;
+
+ /* location in hashtable found, complete arrayheader */
+ stringdata -> header.objheader.vftbl = primitivetype_table[ARRAYTYPE_CHAR].arrayvftbl;
+ stringdata -> header.size = length;
+
+ /* create new javastring */
+ js = LNEW (java_lang_String);
+ js -> header.vftbl = class_java_lang_String -> vftbl;
+ js -> value = stringdata;
+ js -> offset = 0;
+ js -> count = length;
+
+ /* create new literalstring */
+ s = NEW (literalstring);
+ s->hashlink = string_hash.ptr[slot];
+ s->string = (java_objectheader *) js;
+ string_hash.ptr[slot] = s;
+
+ /* update numbe of hashtable entries */
+ string_hash.entries++;
+
+ /* reorganization of hashtable */
+ if ( string_hash.entries > (string_hash.size*2)) {
+
+ /* reorganization of hashtable, average length of
+ the external chains is approx. 2 */
+
+ u4 i;
+ literalstring *s;
+ hashtable newhash; /* the new hashtable */
+
+ /* create new hashtable, double the size */
+ init_hashtable(&newhash, string_hash.size*2);
+ newhash.entries=string_hash.entries;
+
+ /* transfer elements to new hashtable */
+ for (i=0; i<string_hash.size; i++) {
+ s = string_hash.ptr[i];
+ while (s) {
+ literalstring *nexts = s -> hashlink;
+ js = (java_lang_String*) s->string;
+ slot = (unicode_hashkey(js->value->data,js->count)) & (newhash.size-1);
+
+ s->hashlink = newhash.ptr[slot];
+ newhash.ptr[slot] = s;
+
+ /* follow link in external hash chain */
+ s = nexts;
+ }
+ }
+
+ /* dispose old table */
+ MFREE (string_hash.ptr, void*, string_hash.size);
+ string_hash = newhash;
+ }
+#ifdef JOWENN_DEBUG1
+ log_text("literalstring_u2: newly created");
+/* utf_display(javastring_toutf(js,0));*/
+#endif
+
+ return (java_objectheader *) js;
+}
+
+/******************** Function: literalstring_new *****************************
+
+ creates a new javastring with the text of the utf-symbol
+ and inserts it into the string hashtable
+
+*******************************************************************************/
+
+java_objectheader *literalstring_new (utf *u)
+{
+ char *utf_ptr = u->text; /* pointer to current unicode character in utf string */
+ u4 utflength = utf_strlen(u); /* length of utf-string if uncompressed */
+ java_chararray *a; /* u2-array constructed from utf string */
+ u4 i;
+/* log_text("literalstring_new"); */
+/* utf_display(u);*/
+ /*if (utflength==0) while (1) sleep(60);*/
+/* log_text("------------------"); */
+ /* allocate memory */
+ a = lit_mem_alloc (sizeof(java_chararray) + sizeof(u2)*(utflength-1)+10 );
+ /* convert utf-string to u2-array */
+ for (i=0; i<utflength; i++) a->data[i] = utf_nextu2(&utf_ptr);
+
+ return literalstring_u2(a, utflength, false);
+}
+
+
+/********************** function: literalstring_free **************************
+
+ removes a javastring from memory
******************************************************************************/
{
java_lang_String *s = (java_lang_String*) sobj;
java_chararray *a = s->value;
+
+ log_text("literalstring_free called");
+ /* dispose memory of java.lang.String object */
LFREE (s, java_lang_String);
- LFREE (a, sizeof(java_chararray) + sizeof(u2)*(a->header.size-1));
+ /* dispose memory of java-characterarray */
+ LFREE (a, sizeof(java_chararray) + sizeof(u2)*(a->header.size-1)); /* +10 ?? */
}
+
+void copy_vftbl(vftbl **dest, vftbl *src)
+{
+ *dest = src;
+#if 0
+ /* XXX this kind of copying does not work (in the general
+ * case). The interface tables would have to be copied, too. I
+ * don't see why we should make a copy anyway. -Edwin
+ */
+ *dest = mem_alloc(sizeof(vftbl) + sizeof(methodptr)*(src->vftbllength-1));
+ memcpy(*dest, src, sizeof(vftbl) - sizeof(methodptr));
+ memcpy(&(*dest)->table, &src->table, src->vftbllength * sizeof(methodptr));
+#endif
+}
+
+
+/******************************************************************************************
+
+ creates method signature (excluding return type) from array of
+ class-objects representing the parameters of the method
+
+*******************************************************************************************/
+
+
+utf *create_methodsig(java_objectarray* types, char *retType)
+{
+ char *buffer; /* buffer for building the desciptor */
+ char *pos; /* current position in buffer */
+ utf *result; /* the method signature */
+ u4 buffer_size = 3; /* minimal size=3: room for parenthesis and returntype */
+ u4 i, j;
+
+ if (!types) return NULL;
+
+ /* determine required buffer-size */
+ for (i=0;i<types->header.size;i++) {
+ classinfo *c = (classinfo *) types->data[i];
+ buffer_size = buffer_size + c->name->blength+2;
+ }
+
+ if (retType) buffer_size+=strlen(retType);
+
+ /* allocate buffer */
+ buffer = MNEW(u1, buffer_size);
+ pos = buffer;
+
+ /* method-desciptor starts with parenthesis */
+ *pos++ = '(';
+
+ for (i=0;i<types->header.size;i++) {
+
+ char ch;
+ /* current argument */
+ classinfo *c = (classinfo *) types->data[i];
+ /* current position in utf-text */
+ char *utf_ptr = c->name->text;
+
+ /* determine type of argument */
+ if ( (ch = utf_nextu2(&utf_ptr)) == '[' ) {
+
+ /* arrayclass */
+ for ( utf_ptr--; utf_ptr<utf_end(c->name); utf_ptr++)
+ *pos++ = *utf_ptr; /* copy text */
+
+ } else
+ {
+ /* check for primitive types */
+ for (j=0; j<PRIMITIVETYPE_COUNT; j++) {
+
+ char *utf_pos = utf_ptr-1;
+ char *primitive = primitivetype_table[j].wrapname;
+
+ /* compare text */
+ while (utf_pos<utf_end(c->name))
+ if (*utf_pos++ != *primitive++) goto nomatch;
+
+ /* primitive type found */
+ *pos++ = primitivetype_table[j].typesig;
+ goto next_type;
+
+ nomatch:
+ }
+
+ /* no primitive type and no arrayclass, so must be object */
+ *pos++ = 'L';
+ /* copy text */
+ for ( utf_ptr--; utf_ptr<utf_end(c->name); utf_ptr++)
+ *pos++ = *utf_ptr;
+ *pos++ = ';';
+
+ next_type:
+ }
+ }
+
+ *pos++ = ')';
+
+ if (retType) {
+ for (i=0;i<strlen(retType);i++) {
+ *pos++=retType[i];
+ }
+ }
+ /* create utf-string */
+ result = utf_new(buffer,(pos-buffer));
+ MFREE(buffer, u1, buffer_size);
+
+ return result;
+}
+
+
+/******************************************************************************************
+
+ retrieve the next argument or returntype from a descriptor
+ and return the corresponding class
+
+*******************************************************************************************/
+
+classinfo *get_type(char **utf_ptr,char *desc_end, bool skip)
+{
+ classinfo *c = class_from_descriptor(*utf_ptr,desc_end,utf_ptr,
+ (skip) ? CLASSLOAD_SKIP : CLASSLOAD_LOAD);
+ if (!c)
+ /* unknown type */
+ panic("illegal descriptor");
+
+ if (skip) return NULL;
+
+ use_class_as_object(c);
+ return c;
+}
+
+
+/******************************************************************************************
+
+ use the descriptor of a method to generate a java/lang/Class array
+ which contains the classes of the parametertypes of the method
+
+*******************************************************************************************/
+
+java_objectarray* get_parametertypes(methodinfo *m)
+{
+ utf *descr = m->descriptor; /* method-descriptor */
+ char *utf_ptr = descr->text; /* current position in utf-text */
+ char *desc_end = utf_end(descr); /* points behind utf string */
+ java_objectarray* result;
+ int parametercount = 0;
+ int i;
+
+ /* skip '(' */
+ utf_nextu2(&utf_ptr);
+
+ /* determine number of parameters */
+ while ( *utf_ptr != ')' ) {
+ get_type(&utf_ptr,desc_end,true);
+ parametercount++;
+ }
+
+ /* create class-array */
+ result = builtin_anewarray(parametercount, class_java_lang_Class);
+
+ utf_ptr = descr->text;
+ utf_nextu2(&utf_ptr);
+
+ /* get returntype classes */
+ for (i = 0; i < parametercount; i++)
+ result->data[i] = (java_objectheader *) get_type(&utf_ptr,desc_end, false);
+
+ return result;
+}
+
+
+/******************************************************************************************
+
+ get the returntype class of a method
+
+*******************************************************************************************/
+
+classinfo *get_returntype(methodinfo *m)
+{
+ char *utf_ptr; /* current position in utf-text */
+ char *desc_end; /* points behind utf string */
+ utf *desc = m->descriptor; /* method-descriptor */
+
+ utf_ptr = desc->text;
+ desc_end = utf_end(desc);
+
+ /* ignore parametertypes */
+ while ((utf_ptr<desc_end) && utf_nextu2(&utf_ptr)!=')')
+ /* skip */ ;
+
+ return get_type(&utf_ptr,desc_end, false);
+}
+
+
+/*****************************************************************************/
+/*****************************************************************************/
+
+
+/*--------------------------------------------------------*/
+void printNativeCall(nativeCall nc) {
+ int i,j;
+
+ printf("\n%s's Native Methods call:\n",nc.classname); fflush(stdout);
+ for (i=0; i<nc.methCnt; i++) {
+ printf("\tMethod=%s %s\n",nc.methods[i].methodname, nc.methods[i].descriptor);fflush(stdout);
+
+ for (j=0; j<nc.callCnt[i]; j++) {
+ printf("\t\t<%i,%i>aCalled = %s %s %s\n",i,j,
+ nc.methods[i].methodCalls[j].classname,
+ nc.methods[i].methodCalls[j].methodname,
+ nc.methods[i].methodCalls[j].descriptor);fflush(stdout);
+ }
+ }
+ printf("-+++++--------------------\n");fflush(stdout);
+}
+
+/*--------------------------------------------------------*/
+void printCompNativeCall(nativeCompCall nc) {
+ int i,j;
+ printf("printCompNativeCall BEGIN\n");fflush(stdout);
+ printf("\n%s's Native Comp Methods call:\n",nc.classname->text);fflush(stdout);
+ utf_display(nc.classname); fflush(stdout);
+
+ for (i=0; i<nc.methCnt; i++) {
+ printf("\tMethod=%s %s\n",nc.methods[i].methodname->text,nc.methods[i].descriptor->text);fflush(stdout);
+ utf_display(nc.methods[i].methodname); fflush(stdout);
+ utf_display(nc.methods[i].descriptor);fflush(stdout);
+ printf("\n");fflush(stdout);
+
+ for (j=0; j<nc.callCnt[i]; j++) {
+ printf("\t\t<%i,%i>bCalled = ",i,j);fflush(stdout);
+ utf_display(nc.methods[i].methodCalls[j].classname);fflush(stdout);
+ utf_display(nc.methods[i].methodCalls[j].methodname); fflush(stdout);
+ utf_display(nc.methods[i].methodCalls[j].descriptor);fflush(stdout);
+ printf("\n");fflush(stdout);
+ }
+ }
+printf("---------------------\n");fflush(stdout);
+}
+
+
+/*--------------------------------------------------------*/
+classMeth findNativeMethodCalls(utf *c, utf *m, utf *d )
+{
+ int i = 0;
+ int j = 0;
+ int cnt = 0;
+ classMeth mc;
+ mc.i_class = i;
+ mc.j_method = j;
+ mc.methCnt = cnt;
+
+ return mc;
+}
+
+/*--------------------------------------------------------*/
+nativeCall* findNativeClassCalls(char *aclassname ) {
+int i;
+
+for (i=0;i<NATIVECALLSSIZE; i++) {
+ /* convert table to utf later to speed up search */
+ if (strcmp(nativeCalls[i].classname, aclassname) == 0)
+ return &nativeCalls[i];
+ }
+
+return NULL;
+}
+/*--------------------------------------------------------*/
+/*--------------------------------------------------------*/
+void utfNativeCall(nativeCall nc, nativeCompCall *ncc) {
+ int i,j;
+
+
+ ncc->classname = utf_new_char(nc.classname);
+ ncc->methCnt = nc.methCnt;
+
+ for (i=0; i<nc.methCnt; i++) {
+ ncc->methods[i].methodname = utf_new_char(nc.methods[i].methodname);
+ ncc->methods[i].descriptor = utf_new_char(nc.methods[i].descriptor);
+ ncc->callCnt[i] = nc.callCnt[i];
+
+ for (j=0; j<nc.callCnt[i]; j++) {
+
+ ncc->methods[i].methodCalls[j].classname = utf_new_char(nc.methods[i].methodCalls[j].classname);
+
+ if (strcmp("", nc.methods[i].methodCalls[j].methodname) != 0) {
+ ncc->methods[i].methodCalls[j].methodname = utf_new_char(nc.methods[i].methodCalls[j].methodname);
+ ncc->methods[i].methodCalls[j].descriptor = utf_new_char(nc.methods[i].methodCalls[j].descriptor);
+ }
+ else {
+ ncc->methods[i].methodCalls[j].methodname = NULL;
+ ncc->methods[i].methodCalls[j].descriptor = NULL;
+ }
+ }
+ }
+}
+
+
+
+/*--------------------------------------------------------*/
+
+bool natcall2utf(bool natcallcompdone) {
+int i;
+
+if (natcallcompdone)
+ return true;
+
+for (i=0;i<NATIVECALLSSIZE; i++) {
+ utfNativeCall (nativeCalls[i], &nativeCompCalls[i]);
+ }
+
+return true;
+}
+/*--------------------------------------------------------*/
+
+
+/*
+ * These are local overrides for various environment variables in Emacs.
+ * Please do not remove this and leave it at the end of the file, where
+ * Emacs will automagically detect them.
+ * ---------------------------------------------------------------------
+ * Local variables:
+ * mode: c
+ * indent-tabs-mode: t
+ * c-basic-offset: 4
+ * tab-width: 4
+ * End:
+ */