gcc/libjava/java/lang/Class.java

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// Class.java - Representation of a Java class.
/* Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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This file is part of libgcj.
This software is copyrighted work licensed under the terms of the
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
details. */
package java.lang;
import java.io.Serializable;
import java.io.InputStream;
import java.lang.reflect.*;
/**
* @author Tom Tromey <tromey@cygnus.com>
* @date October 1, 1998
*/
/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
* "The Java Language Specification", ISBN 0-201-63451-1
* plus online API docs for JDK 1.2 beta from http://www.javasoft.com.
* plus gcj compiler sources (to determine object layout)
* Status: Sufficient for our purposes, but some methods missing
* and some not implemented.
*/
public final class Class implements Serializable
{
public static native Class forName (String className)
throws ClassNotFoundException;
public native Class[] getClasses ();
public native ClassLoader getClassLoader ();
public native Class getComponentType ();
public native Constructor getConstructor (Class[] parameterTypes)
throws NoSuchMethodException, SecurityException;
[multiple changes] 2000-01-04 Tom Tromey <tromey@cygnus.com> * java/lang/reflect/natConstructor.cc (newInstance): Pass declaring class as return_type argument to _Jv_CallNonvirtualMethodA. * java/lang/reflect/natMethod.cc (_Jv_CallNonvirtualMethodA): In constructor case, create object and use it as `this' argument. * java/lang/Class.h (_getConstructors): Declare. (_getFields): Declare. * java/lang/Class.java (getConstructors): Wrote. (_getConstructors): New native method. (getDeclaredConstructors): Wrote. (_getFields): Declare new native method. * java/lang/natClass.cc (_Jv_LookupInterfaceMethod): Removed incorrect comment. (getMethod): Work correctly when class is primitive. (getDeclaredMethods): Likewise. Compute offset using `method', not `mptr'. (getDeclaredMethod): Likewise. (getConstructor): Wrote. (ConstructorClass): New define. (getDeclaredConstructor): Wrote. (_getConstructors): New method. (_getFields): New method. (getFields): Wrote. * Makefile.in: Rebuilt. * Makefile.am (AM_CXXFLAGS): Added -D_GNU_SOURCE. * prims.cc: Remove `#pragma implementation'. * gcj/array.h: Remove `#pragma interface'. * prims.cc (_Jv_equaln): New function. * java/lang/Class.java (getSignature): Declare. * resolve.cc (_Jv_LookupDeclaredMethod): Moved to natClass.cc. * java/lang/natClass.cc (_Jv_LookupDeclaredMethod): Moved from resolve.cc. (getSignature): New method. (getDeclaredMethod): Wrote. (getMethod): Wrote. Include StringBuffer.h. * java/lang/Class.h (Class): Added _Jv_FromReflectedConstructor as a friend. Unconditionally declare _Jv_LookupDeclaredMethod as a friend. (getSignature): Declare. * include/jvm.h (_Jv_GetTypesFromSignature): Declare. (_Jv_equaln): Declare. (_Jv_CallNonvirtualMethodA): Declare. * Makefile.in: Rebuilt. * Makefile.am (nat_source_files): Added natConstructor.cc. (java/lang/reflect/Constructor.h): New target. * java/lang/reflect/natConstructor.cc: New file. * java/lang/reflect/Constructor.java (newInstance): Now native. (declaringClass): Renamed from decl_class. (offset): Renamed from index. (getType): New native method. (getModifiers): Now native. (getParameterTypes): Call getType if required. (hashCode): Include hash code from declaring class. (modifiers): Removed. (toString): Call getType if required. * gcj/method.h (_Jv_FromReflectedConstructor): New function. * java/lang/reflect/natMethod.cc (hack_call): New method. Removed `#if 0' around FFI code. Include <gnu/gcj/RawData.h>. (invoke): Use _Jv_CallNonvirtualMethodA. Throw IllegalArgumentException when argument object and class disagree. (_Jv_GetTypesFromSignature): New function. (getType): Use it. (ObjectClass): New define. (_Jv_CallNonvirtualMethodA): New function. * java/lang/reflect/Method.java (hack_trampoline): New method. (hack_call): New native method. 1999-12-21 Per Bothner <per@bothner.com> * java/lang/natClass.cc (getDeclaredMethods): Correctly compute offset in new Method. From-SVN: r31199
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// This is used to implement getConstructors and
// getDeclaredConstructors.
private native Constructor[] _getConstructors (boolean declared)
throws SecurityException;
public Constructor[] getConstructors () throws SecurityException
{
return _getConstructors (false);
}
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public native Constructor getDeclaredConstructor (Class[] parameterTypes)
throws NoSuchMethodException, SecurityException;
[multiple changes] 2000-01-04 Tom Tromey <tromey@cygnus.com> * java/lang/reflect/natConstructor.cc (newInstance): Pass declaring class as return_type argument to _Jv_CallNonvirtualMethodA. * java/lang/reflect/natMethod.cc (_Jv_CallNonvirtualMethodA): In constructor case, create object and use it as `this' argument. * java/lang/Class.h (_getConstructors): Declare. (_getFields): Declare. * java/lang/Class.java (getConstructors): Wrote. (_getConstructors): New native method. (getDeclaredConstructors): Wrote. (_getFields): Declare new native method. * java/lang/natClass.cc (_Jv_LookupInterfaceMethod): Removed incorrect comment. (getMethod): Work correctly when class is primitive. (getDeclaredMethods): Likewise. Compute offset using `method', not `mptr'. (getDeclaredMethod): Likewise. (getConstructor): Wrote. (ConstructorClass): New define. (getDeclaredConstructor): Wrote. (_getConstructors): New method. (_getFields): New method. (getFields): Wrote. * Makefile.in: Rebuilt. * Makefile.am (AM_CXXFLAGS): Added -D_GNU_SOURCE. * prims.cc: Remove `#pragma implementation'. * gcj/array.h: Remove `#pragma interface'. * prims.cc (_Jv_equaln): New function. * java/lang/Class.java (getSignature): Declare. * resolve.cc (_Jv_LookupDeclaredMethod): Moved to natClass.cc. * java/lang/natClass.cc (_Jv_LookupDeclaredMethod): Moved from resolve.cc. (getSignature): New method. (getDeclaredMethod): Wrote. (getMethod): Wrote. Include StringBuffer.h. * java/lang/Class.h (Class): Added _Jv_FromReflectedConstructor as a friend. Unconditionally declare _Jv_LookupDeclaredMethod as a friend. (getSignature): Declare. * include/jvm.h (_Jv_GetTypesFromSignature): Declare. (_Jv_equaln): Declare. (_Jv_CallNonvirtualMethodA): Declare. * Makefile.in: Rebuilt. * Makefile.am (nat_source_files): Added natConstructor.cc. (java/lang/reflect/Constructor.h): New target. * java/lang/reflect/natConstructor.cc: New file. * java/lang/reflect/Constructor.java (newInstance): Now native. (declaringClass): Renamed from decl_class. (offset): Renamed from index. (getType): New native method. (getModifiers): Now native. (getParameterTypes): Call getType if required. (hashCode): Include hash code from declaring class. (modifiers): Removed. (toString): Call getType if required. * gcj/method.h (_Jv_FromReflectedConstructor): New function. * java/lang/reflect/natMethod.cc (hack_call): New method. Removed `#if 0' around FFI code. Include <gnu/gcj/RawData.h>. (invoke): Use _Jv_CallNonvirtualMethodA. Throw IllegalArgumentException when argument object and class disagree. (_Jv_GetTypesFromSignature): New function. (getType): Use it. (ObjectClass): New define. (_Jv_CallNonvirtualMethodA): New function. * java/lang/reflect/Method.java (hack_trampoline): New method. (hack_call): New native method. 1999-12-21 Per Bothner <per@bothner.com> * java/lang/natClass.cc (getDeclaredMethods): Correctly compute offset in new Method. From-SVN: r31199
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public native Class[] getDeclaredClasses () throws SecurityException;
public Constructor[] getDeclaredConstructors () throws SecurityException
{
return _getConstructors (true);
}
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public native Field getDeclaredField (String fieldName)
throws NoSuchFieldException, SecurityException;
public native Field[] getDeclaredFields () throws SecurityException;
public native Method getDeclaredMethod (String methodName,
Class[] parameterTypes)
throws NoSuchMethodException, SecurityException;
public native Method[] getDeclaredMethods () throws SecurityException;
// This is marked as unimplemented in the JCL book.
public native Class getDeclaringClass ();
private native Field getField (String fieldName, int hash)
throws NoSuchFieldException, SecurityException;
public Field getField (String fieldName)
throws NoSuchFieldException, SecurityException
{
SecurityManager s = System.getSecurityManager();
if (s != null)
s.checkMemberAccess (this, java.lang.reflect.Member.DECLARED);
Field fld = getField(fieldName, fieldName.hashCode());
if (fld == null)
throw new NoSuchFieldException(fieldName);
return fld;
}
[multiple changes] 2000-01-04 Tom Tromey <tromey@cygnus.com> * java/lang/reflect/natConstructor.cc (newInstance): Pass declaring class as return_type argument to _Jv_CallNonvirtualMethodA. * java/lang/reflect/natMethod.cc (_Jv_CallNonvirtualMethodA): In constructor case, create object and use it as `this' argument. * java/lang/Class.h (_getConstructors): Declare. (_getFields): Declare. * java/lang/Class.java (getConstructors): Wrote. (_getConstructors): New native method. (getDeclaredConstructors): Wrote. (_getFields): Declare new native method. * java/lang/natClass.cc (_Jv_LookupInterfaceMethod): Removed incorrect comment. (getMethod): Work correctly when class is primitive. (getDeclaredMethods): Likewise. Compute offset using `method', not `mptr'. (getDeclaredMethod): Likewise. (getConstructor): Wrote. (ConstructorClass): New define. (getDeclaredConstructor): Wrote. (_getConstructors): New method. (_getFields): New method. (getFields): Wrote. * Makefile.in: Rebuilt. * Makefile.am (AM_CXXFLAGS): Added -D_GNU_SOURCE. * prims.cc: Remove `#pragma implementation'. * gcj/array.h: Remove `#pragma interface'. * prims.cc (_Jv_equaln): New function. * java/lang/Class.java (getSignature): Declare. * resolve.cc (_Jv_LookupDeclaredMethod): Moved to natClass.cc. * java/lang/natClass.cc (_Jv_LookupDeclaredMethod): Moved from resolve.cc. (getSignature): New method. (getDeclaredMethod): Wrote. (getMethod): Wrote. Include StringBuffer.h. * java/lang/Class.h (Class): Added _Jv_FromReflectedConstructor as a friend. Unconditionally declare _Jv_LookupDeclaredMethod as a friend. (getSignature): Declare. * include/jvm.h (_Jv_GetTypesFromSignature): Declare. (_Jv_equaln): Declare. (_Jv_CallNonvirtualMethodA): Declare. * Makefile.in: Rebuilt. * Makefile.am (nat_source_files): Added natConstructor.cc. (java/lang/reflect/Constructor.h): New target. * java/lang/reflect/natConstructor.cc: New file. * java/lang/reflect/Constructor.java (newInstance): Now native. (declaringClass): Renamed from decl_class. (offset): Renamed from index. (getType): New native method. (getModifiers): Now native. (getParameterTypes): Call getType if required. (hashCode): Include hash code from declaring class. (modifiers): Removed. (toString): Call getType if required. * gcj/method.h (_Jv_FromReflectedConstructor): New function. * java/lang/reflect/natMethod.cc (hack_call): New method. Removed `#if 0' around FFI code. Include <gnu/gcj/RawData.h>. (invoke): Use _Jv_CallNonvirtualMethodA. Throw IllegalArgumentException when argument object and class disagree. (_Jv_GetTypesFromSignature): New function. (getType): Use it. (ObjectClass): New define. (_Jv_CallNonvirtualMethodA): New function. * java/lang/reflect/Method.java (hack_trampoline): New method. (hack_call): New native method. 1999-12-21 Per Bothner <per@bothner.com> * java/lang/natClass.cc (getDeclaredMethods): Correctly compute offset in new Method. From-SVN: r31199
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private native Field[] _getFields (Field[] result, int offset);
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public native Field[] getFields () throws SecurityException;
public native Class[] getInterfaces ();
[multiple changes] 2000-01-04 Tom Tromey <tromey@cygnus.com> * java/lang/reflect/natConstructor.cc (newInstance): Pass declaring class as return_type argument to _Jv_CallNonvirtualMethodA. * java/lang/reflect/natMethod.cc (_Jv_CallNonvirtualMethodA): In constructor case, create object and use it as `this' argument. * java/lang/Class.h (_getConstructors): Declare. (_getFields): Declare. * java/lang/Class.java (getConstructors): Wrote. (_getConstructors): New native method. (getDeclaredConstructors): Wrote. (_getFields): Declare new native method. * java/lang/natClass.cc (_Jv_LookupInterfaceMethod): Removed incorrect comment. (getMethod): Work correctly when class is primitive. (getDeclaredMethods): Likewise. Compute offset using `method', not `mptr'. (getDeclaredMethod): Likewise. (getConstructor): Wrote. (ConstructorClass): New define. (getDeclaredConstructor): Wrote. (_getConstructors): New method. (_getFields): New method. (getFields): Wrote. * Makefile.in: Rebuilt. * Makefile.am (AM_CXXFLAGS): Added -D_GNU_SOURCE. * prims.cc: Remove `#pragma implementation'. * gcj/array.h: Remove `#pragma interface'. * prims.cc (_Jv_equaln): New function. * java/lang/Class.java (getSignature): Declare. * resolve.cc (_Jv_LookupDeclaredMethod): Moved to natClass.cc. * java/lang/natClass.cc (_Jv_LookupDeclaredMethod): Moved from resolve.cc. (getSignature): New method. (getDeclaredMethod): Wrote. (getMethod): Wrote. Include StringBuffer.h. * java/lang/Class.h (Class): Added _Jv_FromReflectedConstructor as a friend. Unconditionally declare _Jv_LookupDeclaredMethod as a friend. (getSignature): Declare. * include/jvm.h (_Jv_GetTypesFromSignature): Declare. (_Jv_equaln): Declare. (_Jv_CallNonvirtualMethodA): Declare. * Makefile.in: Rebuilt. * Makefile.am (nat_source_files): Added natConstructor.cc. (java/lang/reflect/Constructor.h): New target. * java/lang/reflect/natConstructor.cc: New file. * java/lang/reflect/Constructor.java (newInstance): Now native. (declaringClass): Renamed from decl_class. (offset): Renamed from index. (getType): New native method. (getModifiers): Now native. (getParameterTypes): Call getType if required. (hashCode): Include hash code from declaring class. (modifiers): Removed. (toString): Call getType if required. * gcj/method.h (_Jv_FromReflectedConstructor): New function. * java/lang/reflect/natMethod.cc (hack_call): New method. Removed `#if 0' around FFI code. Include <gnu/gcj/RawData.h>. (invoke): Use _Jv_CallNonvirtualMethodA. Throw IllegalArgumentException when argument object and class disagree. (_Jv_GetTypesFromSignature): New function. (getType): Use it. (ObjectClass): New define. (_Jv_CallNonvirtualMethodA): New function. * java/lang/reflect/Method.java (hack_trampoline): New method. (hack_call): New native method. 1999-12-21 Per Bothner <per@bothner.com> * java/lang/natClass.cc (getDeclaredMethods): Correctly compute offset in new Method. From-SVN: r31199
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private final native void getSignature (StringBuffer buffer);
private static final native String getSignature (Class[] parameterTypes,
boolean is_construtor);
[multiple changes] 2000-01-04 Tom Tromey <tromey@cygnus.com> * java/lang/reflect/natConstructor.cc (newInstance): Pass declaring class as return_type argument to _Jv_CallNonvirtualMethodA. * java/lang/reflect/natMethod.cc (_Jv_CallNonvirtualMethodA): In constructor case, create object and use it as `this' argument. * java/lang/Class.h (_getConstructors): Declare. (_getFields): Declare. * java/lang/Class.java (getConstructors): Wrote. (_getConstructors): New native method. (getDeclaredConstructors): Wrote. (_getFields): Declare new native method. * java/lang/natClass.cc (_Jv_LookupInterfaceMethod): Removed incorrect comment. (getMethod): Work correctly when class is primitive. (getDeclaredMethods): Likewise. Compute offset using `method', not `mptr'. (getDeclaredMethod): Likewise. (getConstructor): Wrote. (ConstructorClass): New define. (getDeclaredConstructor): Wrote. (_getConstructors): New method. (_getFields): New method. (getFields): Wrote. * Makefile.in: Rebuilt. * Makefile.am (AM_CXXFLAGS): Added -D_GNU_SOURCE. * prims.cc: Remove `#pragma implementation'. * gcj/array.h: Remove `#pragma interface'. * prims.cc (_Jv_equaln): New function. * java/lang/Class.java (getSignature): Declare. * resolve.cc (_Jv_LookupDeclaredMethod): Moved to natClass.cc. * java/lang/natClass.cc (_Jv_LookupDeclaredMethod): Moved from resolve.cc. (getSignature): New method. (getDeclaredMethod): Wrote. (getMethod): Wrote. Include StringBuffer.h. * java/lang/Class.h (Class): Added _Jv_FromReflectedConstructor as a friend. Unconditionally declare _Jv_LookupDeclaredMethod as a friend. (getSignature): Declare. * include/jvm.h (_Jv_GetTypesFromSignature): Declare. (_Jv_equaln): Declare. (_Jv_CallNonvirtualMethodA): Declare. * Makefile.in: Rebuilt. * Makefile.am (nat_source_files): Added natConstructor.cc. (java/lang/reflect/Constructor.h): New target. * java/lang/reflect/natConstructor.cc: New file. * java/lang/reflect/Constructor.java (newInstance): Now native. (declaringClass): Renamed from decl_class. (offset): Renamed from index. (getType): New native method. (getModifiers): Now native. (getParameterTypes): Call getType if required. (hashCode): Include hash code from declaring class. (modifiers): Removed. (toString): Call getType if required. * gcj/method.h (_Jv_FromReflectedConstructor): New function. * java/lang/reflect/natMethod.cc (hack_call): New method. Removed `#if 0' around FFI code. Include <gnu/gcj/RawData.h>. (invoke): Use _Jv_CallNonvirtualMethodA. Throw IllegalArgumentException when argument object and class disagree. (_Jv_GetTypesFromSignature): New function. (getType): Use it. (ObjectClass): New define. (_Jv_CallNonvirtualMethodA): New function. * java/lang/reflect/Method.java (hack_trampoline): New method. (hack_call): New native method. 1999-12-21 Per Bothner <per@bothner.com> * java/lang/natClass.cc (getDeclaredMethods): Correctly compute offset in new Method. From-SVN: r31199
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public native Method getMethod (String methodName, Class[] parameterTypes)
throws NoSuchMethodException, SecurityException;
private native int _getMethods (Method[] result, int offset);
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public native Method[] getMethods () throws SecurityException;
public native int getModifiers ();
public native String getName ();
natClassLoader.cc (_Jv_PrepareCompiledClass): Renamed from _Jv_InternClassStrings. * java/lang/natClassLoader.cc (_Jv_PrepareCompiledClass): Renamed from _Jv_InternClassStrings. * prims.cc (_Jv_RunMain): New function. (JvRunMain): Remove gij-support. * gij.cc (main): Use _Jv_RunMain. * java/util/zip/ZipFile.java: Call readDirectory in constructor. * interpret.cc (PUSHA, PUSHI, PUSHF, PUSHL, PUSHD): Don't store argument in temp variable. (continue1): For all op_x2y insns, use temp variable for intermediate value. Also remove some comments. * java/lang/natClass.cc (newInstance): Call _Jv_InitClass. (forName): Don't call _Jv_InitClass. * java/lang/Class.java (getResource,getResourceAsStream): Implement. * java/util/zip/ZipEntry.java (ZipEntry(ZipEntry)): New construcor. * java/util/jar/JarInputStream.java: New file. * java/util/jar/JarEntry.java: New file. * java/util/jar/JarFile.java: New file. * java/net/URLClassLoader.java: New file. * java/net/JarURLConnection.java: New file. * gnu/gcj/protocol/jar/Handler.java: New file. * gnu/gcj/protocol/jar/Connection.java: New file. * java/security/SecureClassLoader.java: New file. * java/lang/ClassLoader.java (parent): New variable. (ClassLoader (ClassLoader)): new constructor. (findClass): New method. (loadClass): Add default 1.2 implementation. (getSystemResourceAsBytes, getResourceAsBytes): Removed. (readfully): Removed. * gnu/gcj/runtime/VMClassLoader.java: Moved from java/lang. (findSystemClass): New method. (VMClassLoader): Constructor rewritten. (init): New method. All other methods removed. * java/lang/natClassLoader.cc: Change use of java::lang::VMClassLoader to gnu::gcj::runtime::VMClassLoader. (_Jv_InternClassStrings): Use _Jv_ResolvePoolEntry. Also handle class entries. (VMClassLoader::findSystemClass): renamed from findBootClass. * Makefile.am: Add new files. (FirstThread.h, ThreadGroup.h): Add _Jv_Main friend. * Makefile.in: Rebuilt. From-SVN: r28748
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public java.net.URL getResource (String resourceName)
{
String name = resourcePath (resourceName);
ClassLoader loader = getClassLoader ();
if (loader == null)
return ClassLoader.getSystemResource (name);
else
return loader.getResource (name);
}
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natClassLoader.cc (_Jv_PrepareCompiledClass): Renamed from _Jv_InternClassStrings. * java/lang/natClassLoader.cc (_Jv_PrepareCompiledClass): Renamed from _Jv_InternClassStrings. * prims.cc (_Jv_RunMain): New function. (JvRunMain): Remove gij-support. * gij.cc (main): Use _Jv_RunMain. * java/util/zip/ZipFile.java: Call readDirectory in constructor. * interpret.cc (PUSHA, PUSHI, PUSHF, PUSHL, PUSHD): Don't store argument in temp variable. (continue1): For all op_x2y insns, use temp variable for intermediate value. Also remove some comments. * java/lang/natClass.cc (newInstance): Call _Jv_InitClass. (forName): Don't call _Jv_InitClass. * java/lang/Class.java (getResource,getResourceAsStream): Implement. * java/util/zip/ZipEntry.java (ZipEntry(ZipEntry)): New construcor. * java/util/jar/JarInputStream.java: New file. * java/util/jar/JarEntry.java: New file. * java/util/jar/JarFile.java: New file. * java/net/URLClassLoader.java: New file. * java/net/JarURLConnection.java: New file. * gnu/gcj/protocol/jar/Handler.java: New file. * gnu/gcj/protocol/jar/Connection.java: New file. * java/security/SecureClassLoader.java: New file. * java/lang/ClassLoader.java (parent): New variable. (ClassLoader (ClassLoader)): new constructor. (findClass): New method. (loadClass): Add default 1.2 implementation. (getSystemResourceAsBytes, getResourceAsBytes): Removed. (readfully): Removed. * gnu/gcj/runtime/VMClassLoader.java: Moved from java/lang. (findSystemClass): New method. (VMClassLoader): Constructor rewritten. (init): New method. All other methods removed. * java/lang/natClassLoader.cc: Change use of java::lang::VMClassLoader to gnu::gcj::runtime::VMClassLoader. (_Jv_InternClassStrings): Use _Jv_ResolvePoolEntry. Also handle class entries. (VMClassLoader::findSystemClass): renamed from findBootClass. * Makefile.am: Add new files. (FirstThread.h, ThreadGroup.h): Add _Jv_Main friend. * Makefile.in: Rebuilt. From-SVN: r28748
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public java.io.InputStream getResourceAsStream (String resourceName)
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{
natClassLoader.cc (_Jv_PrepareCompiledClass): Renamed from _Jv_InternClassStrings. * java/lang/natClassLoader.cc (_Jv_PrepareCompiledClass): Renamed from _Jv_InternClassStrings. * prims.cc (_Jv_RunMain): New function. (JvRunMain): Remove gij-support. * gij.cc (main): Use _Jv_RunMain. * java/util/zip/ZipFile.java: Call readDirectory in constructor. * interpret.cc (PUSHA, PUSHI, PUSHF, PUSHL, PUSHD): Don't store argument in temp variable. (continue1): For all op_x2y insns, use temp variable for intermediate value. Also remove some comments. * java/lang/natClass.cc (newInstance): Call _Jv_InitClass. (forName): Don't call _Jv_InitClass. * java/lang/Class.java (getResource,getResourceAsStream): Implement. * java/util/zip/ZipEntry.java (ZipEntry(ZipEntry)): New construcor. * java/util/jar/JarInputStream.java: New file. * java/util/jar/JarEntry.java: New file. * java/util/jar/JarFile.java: New file. * java/net/URLClassLoader.java: New file. * java/net/JarURLConnection.java: New file. * gnu/gcj/protocol/jar/Handler.java: New file. * gnu/gcj/protocol/jar/Connection.java: New file. * java/security/SecureClassLoader.java: New file. * java/lang/ClassLoader.java (parent): New variable. (ClassLoader (ClassLoader)): new constructor. (findClass): New method. (loadClass): Add default 1.2 implementation. (getSystemResourceAsBytes, getResourceAsBytes): Removed. (readfully): Removed. * gnu/gcj/runtime/VMClassLoader.java: Moved from java/lang. (findSystemClass): New method. (VMClassLoader): Constructor rewritten. (init): New method. All other methods removed. * java/lang/natClassLoader.cc: Change use of java::lang::VMClassLoader to gnu::gcj::runtime::VMClassLoader. (_Jv_InternClassStrings): Use _Jv_ResolvePoolEntry. Also handle class entries. (VMClassLoader::findSystemClass): renamed from findBootClass. * Makefile.am: Add new files. (FirstThread.h, ThreadGroup.h): Add _Jv_Main friend. * Makefile.in: Rebuilt. From-SVN: r28748
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String name = resourcePath (resourceName);
ClassLoader loader = getClassLoader ();
if (loader == null)
return ClassLoader.getSystemResourceAsStream (name);
else
return loader.getResourceAsStream (name);
}
private String resourcePath (String resourceName)
{
if (resourceName.startsWith ("/"))
return resourceName.substring (1);
Class c = this;
while (c.isArray ())
c = c.getComponentType ();
String packageName = c.getName ().replace ('.', '/');
int end = packageName.lastIndexOf ('/');
if (end == -1)
return resourceName;
else
return packageName.substring (0, end+1) + resourceName;
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}
// FIXME: implement. Requires java.security.
public Object[] getSigners ()
{
return null;
}
public native Class getSuperclass ();
public native boolean isArray ();
public native boolean isAssignableFrom (Class cls);
public native boolean isInstance (Object obj);
public native boolean isInterface ();
public native boolean isPrimitive ();
public native Object newInstance ()
throws InstantiationException, IllegalAccessException;
public String toString ()
{
if (isPrimitive ())
return getName ();
return (isInterface () ? "interface " : "class ") + getName ();
}
// Don't allow new classes to be made.
private Class ()
{
}
// Do a security check.
private void checkMemberAccess (int flags)
{
SecurityManager sm = System.getSecurityManager();
if (sm != null)
sm.checkMemberAccess(this, flags);
}
// FIXME: this method exists only because we cannot catch Java
// exceptions from C++ code. This is a helper for initializeClass.
private Throwable hackTrampoline (int what, Throwable old_exception)
{
Throwable new_val = null;
try
{
if (what == 0)
initializeClass ();
else if (what == 1)
hackRunInitializers ();
else if (what == 2)
new_val = new ExceptionInInitializerError (old_exception);
}
catch (Throwable t)
{
new_val = t;
}
return new_val;
}
// FIXME: this is a hack to let us run the class initializers. We
// could do it inline in initializeClass() if we could catch Java
// exceptions from C++.
private native void hackRunInitializers ();
// Initialize the class.
private native void initializeClass ();
[multiple changes] 1999-08-09 Anthony Green <green@cygnus.com> * gij.cc: New file. * include/config.h.in: Rebuilt. * acconfig.h: Add INTERPRETER. * configure: Rebuilt. * Makefile.in: Rebuilt. * Makefile.am (libffi_files): Identify the libffi object files for inclusion in libgcj. (LIBFFIINCS): Define. * interpret.cc (gnu::gcj::runtime::MethodInvocation::continue1): Dummy definition for configurations without an interpreter. * java/net/natPlainSocketImpl.cc (getOption): Disamiguate call to java::lang::Boolean constructor. * include/java-interp.h: Always include java-cpool.h. * java/lang/natClassLoader.cc (getVMClassLoader0): Always return 0 when INTERPRETER not defined. * java/lang/Class.h (finalize): Define. * gnu/gcj/util/path/DirectoryPathEntry.java (getURL): Catch IOException from File.getCanonicalPath. (getStream): Likewise. * NEWS: More news. * THANKS: More thanks. 1999-08-09 Kresten Krab Thorup <krab@gnu.org> * resolve.cc (get_ffi_type_from_signature): Generate uint16 for jchar type. (_Jv_PrepareClass): Allow non-abstract classes to have abstract subclasses. (_Jv_ResolvePoolEntry): Revert subclass check for protected fields and methods. * interpret.cc (continue1/perform_invoke): Don't sign extend uint16 return val. (continue1/lshl,lshr): Push long, not int. (continue1/ulshr): Use UINT64, not long long. * defineclass.cc (handleFieldsEnd): Handle case when all fields are static. * java/lang/natClass.cc (forName): Add call to _Jv_InitClass. * java/lang/FirstThread.java (run): Add top-level exception handler. (run0): Renamed from run. 1999-08-08 Kresten Krab Thorup <krab@gnu.org> * configure.in (--with-interpreter): Added. * include/config.h.in (INTERPRETER): Added. * java/lang/ClassLoader.java: File replaced. * java/lang/VMClassLoader.java: New file. * java/lang/natClassLoader.cc: New file. * gnu/gcj/runtime/MethodInvocation.java: New file. * gnu/gcj/util/path/SearchPath.java: New file. * gnu/gcj/util/path/PathEntry.java: New file. * gnu/gcj/util/path/DirectoryPathEntry.java: New file. * gnu/gcj/util/path/ZipPathEntry.java: New file. * gnu/gcj/util/path/URLPathEntry.java: New file. * gnu/gcj/util/path/CacheEntry.java: New file. * include/java-interp.h: New file. * include/java-cpool.h: New file. * include/java-insns.h: New file. * defineclass.cc: New file. * interpret.cc: New file. * resolve.cc: New file. * java/lang/natClass.cc (loaded_classes, _Jv_RegisterClass, _Jv_RegisterClasses, _Jv_FindClassInCache, _Jv_FindClass, _Jv_NewClass, _Jv_FindArrayClass): Moved to natClassLoader.cc. (finalize): New. (STATE_NOTHING, STATE_RESOLVED, STATE_IN_PROGRESS, STATE_DONE, STATE_ERROR): Moved to java/lang/Class.h and renamed with JV_ prefix. (initializeClass): Use new JV_ prefixed names. Also, call ClassLoader::resolveClass instead of _Jv_ResolveClass. * java/lang/Class.h (JV_STATE_PRELOADING, JV_STATE_LOADING, JV_STATE_LOADED, JV_STATE_COMPILED, JV_STATE_PREPARED, JV_STATE_LINKED): New. (_Jv_WaitForState, _Jv_RegisterInitiatingLoader, _Jv_UnregisterClass, _Jv_InternClassStrings): New friends. (_Jv_IsInterpretedClass, _Jv_InitField, _Jv_LookupDeclaredMethod, _Jv_DetermineVTableIndex, _Jv_ResolvePoolEntry, _Jv_PrepareClass, _Jv_ClassReader, _Jv_InterpClass, _Jv_InterpMethod, _Jv_InterpMethodInvocation): New friends for interpreter. (finalize): New. (CONSTANT_Class, CONSTANT_String, etc.): Moved to include/java-cpool.h and renamed with JV_ prefix. * include/jvm.h (_Jv_makeUtf8Const, _Jv_makeUtf8TypeConst): New decls. (_Jv_UnregisterClass): New decl. * java/lang/natClassLoader.cc (_Jv_FindArrayClass): Added class loader argument. (_Jv_FindClass): Use class loader. * prims.cc (_Jv_makeUtf8Const): New function. (_Jv_NewObjectArray): Change use of _Jv_FindArrayClass. (_Jv_NewPrimArray): Ditto. (_Jv_FindClassFromSignature): Ditto. * java/lang/reflect/natArray.cc (newInstance): Ditto. * java/lang/reflect/natMethod.cc (getType): Ditto. * include/java-field.h (_Jv_Field::isRef): Make robust for non-resolved contexts. * boehm.cc (_Jv_MarkObj): Mark interpreter-related fields. Also, don't mark class->next field. * java/lang/VirtualMachineError.java: Added FIXME note. * configure.in (INTERPSPEC): New spec. * libgcj.spec.in: Added INTERPSPEC. * Makefile.am: Added gcjh friends for java/lang/VMClassLoader and gnu/gcj/runtime/MethodInvocation. (libgcj_la_SOURCES): Added resolve.cc defineclass.cc interpret.cc. (ordinary_java_source_files): Added above mentioned java classes. * configure: Rebuilt. * Makefile.in: Rebuilt. From-SVN: r28597
1999-08-08 22:06:23 +08:00
// finalization
protected native void finalize ();
1999-04-07 22:42:40 +08:00
}