The .hh files created with the header file generator are all
included here as are the C functions implementing these methods.
- $Id: native.c 664 2003-11-21 18:24:01Z jowenn $
+ $Id: native.c 862 2004-01-06 23:42:01Z stefan $
*/
+
#include <stdlib.h>
#include <unistd.h>
#include <time.h>
#include <assert.h>
#include <sys/time.h>
#include <utime.h>
-#include <sys/utsname.h>
#include "config.h"
#include "global.h"
+#include "jni.h"
#include "native.h"
#include "nativetypes.hh"
#include "builtin.h"
#include "asmpart.h"
#include "tables.h"
#include "loader.h"
+#include "jni.h"
#include "toolbox/loging.h"
+#include "toolbox/memory.h"
#include "threads/thread.h"
#include "threads/threadio.h"
#include "threads/locks.h"
#endif
#include <sys/stat.h>
-#include "../threads/threadio.h"
+#include "threads/threadio.h"
/* searchpath for classfiles */
-static char *classpath;
+char *classpath;
/* for java-string to char conversion */
#define MAXSTRINGSIZE 1000
/******************** systemclasses required for native methods ***************/
-static classinfo *class_java_lang_Class;
-static classinfo *class_java_lang_VMClass;
-static methodinfo *method_vmclass_init;
+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 */
-static classinfo *class_java_lang_CloneNotSupportedException;
-static classinfo *class_java_lang_System;
-static classinfo *class_java_lang_ClassLoader;
-static classinfo *class_java_lang_ClassNotFoundException;
-static classinfo *class_java_lang_InstantiationException;
-static classinfo *class_java_lang_NoSuchMethodError;
-static classinfo *class_java_lang_NoSuchFieldError;
-static classinfo *class_java_lang_ClassFormatError;
-static classinfo *class_java_lang_IllegalArgumentException;
-static classinfo *class_java_lang_ArrayIndexOutOfBoundsException;
-static classinfo *class_java_lang_NoSuchFieldException;
-static classinfo *class_java_io_SyncFailedException;
-static classinfo *class_java_io_IOException;
-static classinfo *class_java_io_FileNotFoundException;
-static classinfo *class_java_io_UnixFileSystem;
-static classinfo *class_java_security_PrivilegedActionException;
-static classinfo *class_java_net_UnknownHostException;
-static classinfo *class_java_net_SocketException;
-static classinfo *class_java_lang_NoSuchMethodException;
-static classinfo *class_java_lang_Double;
-static classinfo *class_java_lang_Float;
-static classinfo *class_java_lang_Long;
-static classinfo *class_java_lang_Byte;
-static classinfo *class_java_lang_Short;
-static classinfo *class_java_lang_Boolean;
-static classinfo *class_java_lang_Void;
-static classinfo *class_java_lang_Character;
-static classinfo *class_java_lang_Integer;
+classinfo *class_java_lang_CloneNotSupportedException;
+classinfo *class_java_lang_System;
+classinfo *class_java_lang_ClassLoader;
+classinfo *class_java_lang_NoClassDefFoundError;
+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;
+THREADSPECIFIC java_objectheader* _exceptionptr = NULL;
/************* use classinfo structure as java.lang.Class object **************/
void use_class_as_object(classinfo *c)
{
- if (!class_java_lang_Class)
- class_java_lang_Class =
- class_new ( utf_new_char ("java/lang/Class") );
- vftbl *vt = class_java_lang_Class->vftbl;
- vftbl *newtbl;
- 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;
- }
+ 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) {
- class_java_lang_VMClass =
- class_new ( 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);
- asm_calljavamethod (method_vmclass_init, vmo, c, NULL, NULL);
- c->vmClass=(java_lang_VMClass*)vmo;
- }
-}
+ 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);
-/*********************** include Java Native Interface ************************/
+ if (!vmo) panic("Error while creating instance of java/lang/VMClass");
+ asm_calljavafunction(method_vmclass_init, vmo, c, NULL, NULL);
+ c->vmClass = (java_lang_VMClass *) vmo;
+ /*log_text("VMCLASS has been attached");*/
+ }
+ }
+}
-#include "jni.c"
/*************************** include native methods ***************************/
-#include "nat/Runtime.c"
-#include "nat/Thread.c"
-#include "nat/VMClass.c"
-#include "nat/Method.c"
-#include "nat/VMSecurityManager.c"
-#include "nat/VMClassLoader.c"
-#include "nat/VMObject.c"
-#include "nat/Proxy.c"
-#include "nat/Field.c"
-#include "nat/VMSystem.c"
-#include "nat/Constructor.c"
-#include "nat/FileChannelImpl.c"
-#include "nat/VMObjectStreamClass.c"
-#include "nat/JOWENNTest1.c"
-
#ifdef USE_GTK
#include "nat/GdkGraphics.c"
#include "nat/GtkComponentPeer.c"
#include "nat/GtkFileDialogPeer.c"
#include "nat/GtkLabelPeer.c"
#endif
+
+
/************************** tables for methods ********************************/
#undef JOWENN_DEBUG
+/* throw some loader exceptions */
+
+void throw_noclassdeffounderror_message(utf* classname)
+{
+ if (!class_java_lang_NoClassDefFoundError) {
+ panic("java.lang.NoClassDefFoundError not found. Maybe wrong classpath?");
+ }
+
+ /* throws a NoClassDefFoundError with message */
+ *exceptionptr = native_new_and_init_string(class_java_lang_NoClassDefFoundError,
+ javastring_new(classname));
+}
+
+
+void throw_linkageerror_message(utf* classname)
+{
+ if (!class_java_lang_LinkageError) {
+ panic("java.lang.LinkageError not found. Maybe wrong classpath?");
+ }
+
+ /* throws a LinkageError with message */
+ *exceptionptr = native_new_and_init_string(class_java_lang_LinkageError,
+ javastring_new(classname));
+}
+
/*********************** function: native_loadclasses **************************
{
static int classesLoaded=0; /*temporary hack JoWenn*/
if (classesLoaded) return;
- classesLoaded=1;
+ 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*/
+ (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") );
+ class_new(utf_new_char("java/lang/Cloneable"));
/* log_text("loadclasses: class_java_lang_Cloneable has been initialized");*/
class_java_lang_CloneNotSupportedException =
- class_new ( utf_new_char ("java/lang/CloneNotSupportedException") );
+ 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_new(utf_new_char("java/lang/Class"));
class_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_NoClassDefFoundError =
+ class_new(utf_new_char("java/lang/NoClassDefFoundError"));
class_java_lang_ClassNotFoundException =
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_java_lang_ClassFormatError =
class_new(utf_new_char("java/lang/ClassFormatError"));
class_java_io_SyncFailedException =
- class_new ( utf_new_char ("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") );
+ 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"));
- class_java_net_UnknownHostException =
- loader_load(utf_new_char("java/net/UnknownHostException"));
- class_java_net_SocketException =
- loader_load(utf_new_char("java/net/SocketException"));
+ 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_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_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"));
-
- /* load to avoid dynamic classloading */
-/*JoWenn class_new(utf_new_char("sun/net/www/protocol/file/Handler"));
- class_new(utf_new_char("sun/net/www/protocol/jar/Handler"));
- class_new(utf_new_char("sun/io/CharToByteISO8859_1"));*/
-
- /* start classloader */
-/*JoWenn loader_load(utf_new_char("sun/io/ByteToCharISO8859_1")); */
+ 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");
+ classesLoaded = 1;
}
methodinfo *m;
/* find method addClass of java.lang.ClassLoader */
- m = class_resolvemethod(
- class_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");
+ 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
- );
+ asm_calljavafunction(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");
+ 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);
+
+ /* systemclassloader has no parent */
+ SystemClassLoader->parent = NULL;
+ SystemClassLoader->initialized = true;
+ }
+ log_text("leaving system class loader");
}
methodinfo *m;
jfieldID id;
- m = class_resolvemethod(loader_load(utf_new_char ("java/util/Vector")),
+ m = class_resolvemethod(loader_load_sysclass(NULL, utf_new_char ("java/util/Vector")),
utf_new_char("addElement"),
- utf_new_char("(Ljava/lang/Object;)V")
- );
+ 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;");
+ 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
- );
+ asm_calljavafunction(m,
+ envTable.GetStaticObjectField(&env, class_java_lang_ClassLoader, id),
+ o,
+ NULL,
+ NULL);
}
/********************* function: native_setclasspath **************************/
-void native_setclasspath (char *path)
+void native_setclasspath(char *path)
{
/* set searchpath for classfiles */
classpath = path;
}
-/***************** function: throw_classnotfoundexception *********************/
-
-void 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);
-}
-
-
-void throw_classnotfoundexception2(utf* classname)
-{
- 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);
-
- /*
- sprintf (logtext, "Loading class: ");
- utf_sprint (logtext+strlen(logtext), classname);
- dolog();
- log_text("Class not found");
- */
-}
-
/*********************** Function: native_findfunction *************************
#ifdef JOWENN_DEBUG
buffer_len =
- utf_strlen(cname) + utf_strlen(mname) + utf_strlen(desc) + 64;
+ 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);
+ utf_sprint(buffer+strlen(buffer), mname);
strcpy(buffer+strlen(buffer), ": ");
- utf_sprint(buffer+strlen(buffer), desc);
+ utf_sprint(buffer+strlen(buffer), desc);
strcpy(buffer+strlen(buffer), " for class ");
- utf_sprint(buffer+strlen(buffer), cname);
+ utf_sprint(buffer+strlen(buffer), cname);
log_text(buffer);
buffer = MNEW(char, buffer_len);
strcpy(buffer, "comparing with:");
- utf_sprint(buffer+strlen(buffer), n->methodname);
+ utf_sprint(buffer+strlen(buffer), n->methodname);
strcpy (buffer+strlen(buffer), ": ");
- utf_sprint(buffer+strlen(buffer), n->descriptor);
+ utf_sprint(buffer+strlen(buffer), n->descriptor);
strcpy(buffer+strlen(buffer), " for class ");
- utf_sprint(buffer+strlen(buffer), n->classname);
+ utf_sprint(buffer+strlen(buffer), n->classname);
log_text(buffer);
MFREE(buffer, char, buffer_len);
-
}
}
#endif
MFREE(buffer, char, buffer_len);
-
exit(1);
-
+ /* keep compiler happy */
return NULL;
}
*******************************************************************************/
-java_objectheader *javastring_new (utf *u)
+/* java_objectheader *javastring_new(utf *u) */
+java_lang_String *javastring_new(utf *u)
{
char *utf_ptr = u->text; /* current utf character in utf string */
int utflength = utf_strlen(u); /* length of utf-string if uncompressed */
/* log_text("javastring_new");*/
- s = (java_lang_String*) builtin_new (class_java_lang_String);
- a = builtin_newarray_char (utflength);
+ s = (java_lang_String*) builtin_new(class_java_lang_String);
+ a = builtin_newarray_char(utflength);
/* javastring or character-array could not be created */
if ((!a) || (!s))
s->offset = 0;
s->count = utflength;
- return (java_objectheader*) s;
+/* return (java_objectheader*) s; */
+ return s;
}
+
/********************** function: javastring_new_char **************************
creates a new java/lang/String object which contains the convertet
*******************************************************************************/
-java_objectheader *javastring_new_char (char *text)
+/* java_objectheader *javastring_new_char (char *text) */
+java_lang_String *javastring_new_char (char *text)
{
s4 i;
s4 len = strlen(text); /* length of the string */
java_chararray *a;
/*log_text("javastring_new_char");*/
- s = (java_lang_String*) builtin_new (class_java_lang_String);
- a = builtin_newarray_char (len);
+ s = (java_lang_String*) builtin_new(class_java_lang_String);
+ a = builtin_newarray_char(len);
/* javastring or character-array could not be created */
- if ((!a) || (!s)) return NULL;
+ if ((!a) || (!s))
+ return NULL;
/* copy text */
for (i = 0; i < len; i++)
a->data[i] = text[i];
/* set fields of the javastring-object */
- s->value = a;
+ s->value = a;
s->offset = 0;
- s->count = len;
+ s->count = len;
- return (java_objectheader*) s;
+/* return (java_objectheader*) s; */
+ return s;
}
*******************************************************************************/
-fieldinfo *class_findfield_approx (classinfo *c, utf *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);
+ *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;
+}
+
/********************** function: native_new_and_init *************************
java_objectheader *native_new_and_init(classinfo *c)
{
methodinfo *m;
- java_objectheader *o = builtin_new(c); /* create object */
+ java_objectheader *o;
+
+ /* if c==NULL it is probebly because loader_load failed */
+ if (!c) return *exceptionptr;
+ o = builtin_new(c); /* create object */
+
/*
printf("native_new_and_init ");
utf_display(c->name);
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_calljavafunction(m, o, NULL, NULL, NULL);
+
+ return o;
+}
+
+
+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;
+
+ 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);
- dolog();
+ log_text(logtext);
}
return o;
}
/* call initializer */
- asm_calljavamethod(m, o, NULL, NULL, NULL);
+ asm_calljavafunction(m, o, s, NULL, NULL);
return o;
}
+
/******************** function: stringtable_update ****************************
traverses the javastring hashtable and sets the vftbl-entries of
js = (java_lang_String *) s->string;
- if (!js || !(a = js->value))
+ if (!js || !js->value)
/* error in hashtable found */
panic("invalid literalstring in hashtable");
+ a = js->value;
+
if (!js->header.vftbl)
/* vftbl of javastring is NULL */
js->header.vftbl = class_java_lang_String -> vftbl;
*****************************************************************************/
-
u4 u2_utflength(u2 *text, u4 u2_length)
{
u4 result_len = 0; /* utf length in bytes */
u2 ch; /* current unicode character */
u4 len;
- for (len = 0; len < u2_length; len++) {
-
- /* next unicode character */
- ch = *text++;
+ 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;
+ /* 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,
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 */
+ 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;
+ 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);
+ buffer = MNEW(char, buflength);
/* memory allocation failed */
if (!buffer) {
printf("length: %d\n",buflength);
log_text("utf_new_u2:buffer==NULL");
- return NULL;
}
- left = buflength;
+ left = buflength;
pos = buffer;
- for (i = 0; i++ < unicode_length; unicode_pos++) {
+ for (i = 0; i++ < unicode_length; unicode_pos++) {
/* next unicode character */
u2 c = *unicode_pos;
if ((c != 0) && (c < 0x80)) {
- /* 1 character */
- left--;
+ /* 1 character */
+ left--;
if ((int) left < 0) break;
- /* convert classname */
- if (isclassname && c=='.')
- *pos++ = '/';
- else
- *pos++ = (char) c;
+ /* convert classname */
+ if (isclassname && c == '.')
+ *pos++ = '/';
+ else
+ *pos++ = (char) c;
+
} else if (c < 0x800) {
- /* 2 characters */
+ /* 2 characters */
unsigned char high = c >> 6;
unsigned char low = c & 0x3F;
- left = left - 2;
+ 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;
+ 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);
+ MFREE(buffer, char, buflength);
+
return result;
}
+
/********************* 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;
+ 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);
+ 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
/* string already in hashtable, free memory */
if (!copymode)
- lit_mem_free(a, sizeof(java_chararray) + sizeof(u2)*(length-1)+10);
+ lit_mem_free(a, sizeof(java_chararray) + sizeof(u2) * (length - 1) + 10);
#ifdef JOWENN_DEBUG1
log_text("literalstring_u2: foundentry");
#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 exceptions which can be thrown by a method
+
+*******************************************************************************************/
+
+java_objectarray* get_exceptiontypes(methodinfo *m)
+{
+}
+
+
+
+
+
+/******************************************************************************************
+
+ 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);
+}
+
+
/*****************************************************************************/
/*****************************************************************************/
projects / cacao.git / blobdiff