// Class.h - Header file for java.lang.Class. -*- c++ -*-
-/* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation
+/* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation
This file is part of libgcj.
#include <java/lang/reflect/Modifier.h>
#include <java/security/ProtectionDomain.h>
#include <java/lang/Package.h>
-#include <gnu/gcj/runtime/StackTrace.h>
+
+// Avoid including SystemClassLoader.h.
+extern "Java"
+{
+ namespace gnu
+ {
+ namespace gcj
+ {
+ namespace runtime
+ {
+ class SystemClassLoader;
+ }
+ }
+ }
+}
// We declare these here to avoid including gcj/cni.h.
extern "C" void _Jv_InitClass (jclass klass);
+extern "C" jclass _Jv_NewClassFromInitializer
+ (const char *class_initializer);
+extern "C" void _Jv_RegisterNewClasses (char **classes);
extern "C" void _Jv_RegisterClasses (const jclass *classes);
extern "C" void _Jv_RegisterClasses_Counted (const jclass *classes,
size_t count);
// This must be predefined with "C" linkage.
extern "C" void *_Jv_LookupInterfaceMethodIdx (jclass klass, jclass iface,
int meth_idx);
+extern "C" void *_Jv_ResolvePoolEntry (jclass this_class, jint index);
// These are the possible values for the `state' field of the class
// structure. Note that ordering is important here. Whenever the
JV_STATE_NOTHING = 0, // Set by compiler.
JV_STATE_PRELOADING = 1, // Can do _Jv_FindClass.
+
+ // There is an invariant through libgcj that a class will always be
+ // at a state greater than or equal to JV_STATE_LOADING when it is
+ // returned by a class loader to user code. Hence, defineclass.cc
+ // installs supers before returning a class, C++-ABI-compiled
+ // classes are created with supers installed, and BC-ABI-compiled
+ // classes are linked to this state before being returned by their
+ // class loader.
JV_STATE_LOADING = 3, // Has super installed.
JV_STATE_READ = 4, // Has been completely defined.
JV_STATE_LOADED = 5, // Has Miranda methods defined.
JV_STATE_ERROR = 12,
- JV_STATE_DONE = 14 // Must be last.
+ JV_STATE_PHANTOM = 13, // Bytecode is missing. In many cases we can
+ // work around that. If not, throw a
+ // NoClassDefFoundError.
+
+ JV_STATE_DONE = 14, // Must be last.
+
+
};
struct _Jv_Field;
class _Jv_Linker;
class _Jv_ExecutionEngine;
class _Jv_CompiledEngine;
+class _Jv_IndirectCompiledEngine;
+
+#ifdef INTERPRETER
class _Jv_InterpreterEngine;
+class _Jv_ClassReader;
+class _Jv_InterpClass;
+class _Jv_InterpMethod;
+#endif
+
+class _Jv_ClosureList
+{
+ _Jv_ClosureList *next;
+ void *ptr;
+public:
+ void registerClosure (jclass klass, void *ptr);
+ static void releaseClosures (_Jv_ClosureList **closures);
+};
struct _Jv_Constants
{
{ return this + 1; }
};
-// Interface Dispatch Tables
-union _Jv_IDispatchTable
+// The table used to resolve interface calls.
+struct _Jv_IDispatchTable
{
- struct
- {
- // Index into interface's ioffsets.
- jshort iindex;
- jshort itable_length;
- // Class Interface dispatch table.
- void **itable;
- } cls;
-
- struct
- {
- // Offsets into implementation class itables.
- jshort *ioffsets;
- } iface;
+ // Index into interface's ioffsets.
+ jshort iindex;
+ jshort itable_length;
+ // Class Interface dispatch table.
+ void *itable[0];
};
// Used by _Jv_Linker::get_interfaces ()
_Jv_Utf8Const *op2;
};
+typedef enum
+{
+ JV_CLASS_ATTR,
+ JV_METHOD_ATTR,
+ JV_FIELD_ATTR,
+ JV_DONE_ATTR
+} jv_attr_type;
+
+typedef enum
+{
+ JV_INNER_CLASSES_KIND,
+ JV_ENCLOSING_METHOD_KIND,
+ JV_SIGNATURE_KIND,
+ JV_ANNOTATIONS_KIND,
+ JV_PARAMETER_ANNOTATIONS_KIND,
+ JV_ANNOTATION_DEFAULT_KIND
+} jv_attr_kind;
+
#define JV_PRIMITIVE_VTABLE ((_Jv_VTable *) -1)
#define JV_CLASS(Obj) ((jclass) (*(_Jv_VTable **) Obj)->clas)
_Jv_Method* _Jv_LookupDeclaredMethod (jclass, _Jv_Utf8Const *,
_Jv_Utf8Const*, jclass * = NULL);
+java::lang::reflect::Method *_Jv_GetReflectedMethod (jclass klass,
+ _Jv_Utf8Const *name,
+ _Jv_Utf8Const *signature);
jfieldID JvGetFirstInstanceField (jclass);
jint JvNumInstanceFields (jclass);
jfieldID JvGetFirstStaticField (jclass);
const _Jv_Utf8Const*,
const _Jv_Utf8Const*);
-jobject _Jv_JNI_ToReflectedField (_Jv_JNIEnv *, jclass, jfieldID,
- jboolean);
-jobject _Jv_JNI_ToReflectedMethod (_Jv_JNIEnv *, jclass, jmethodID,
- jboolean);
+jobject JNICALL _Jv_JNI_ToReflectedField (_Jv_JNIEnv *, jclass, jfieldID,
+ jboolean);
+jobject JNICALL _Jv_JNI_ToReflectedMethod (_Jv_JNIEnv *, jclass, jmethodID,
+ jboolean);
jfieldID _Jv_FromReflectedField (java::lang::reflect::Field *);
jmethodID _Jv_FromReflectedMethod (java::lang::reflect::Method *);
jmethodID _Jv_FromReflectedConstructor (java::lang::reflect::Constructor *);
jint JvNumMethods (jclass);
jmethodID JvGetFirstMethod (jclass);
+_Jv_Utf8Const *_Jv_GetClassNameUtf8 (jclass);
-// Friend classes and functions to implement the ClassLoader
-class java::lang::ClassLoader;
-class java::lang::VMClassLoader;
+#ifdef INTERPRETER
+// Finds a desired interpreter method in the given class or NULL if not found
+class _Jv_MethodBase;
+_Jv_MethodBase *_Jv_FindInterpreterMethod (jclass, jmethodID);
+jstring _Jv_GetInterpClassSourceFile (jclass);
+#endif
-class java::io::ObjectOutputStream;
-class java::io::ObjectInputStream;
-class java::io::ObjectStreamClass;
+jbyte _Jv_GetClassState (jclass);
void _Jv_RegisterClassHookDefault (jclass klass);
void _Jv_RegisterInitiatingLoader (jclass,java::lang::ClassLoader*);
void _Jv_UnregisterInitiatingLoader (jclass,java::lang::ClassLoader*);
void _Jv_UnregisterClass (jclass);
+jclass _Jv_FindClassNoException (_Jv_Utf8Const *name,
+ java::lang::ClassLoader *loader);
jclass _Jv_FindClass (_Jv_Utf8Const *name,
java::lang::ClassLoader *loader);
jclass _Jv_FindClassInCache (_Jv_Utf8Const *name);
void _Jv_InitNewClassFields (jclass klass);
// Friend functions and classes in prims.cc
-void _Jv_InitPrimClass (jclass, char *, char, int);
+void _Jv_InitPrimClass (jclass, const char *, char, int);
jstring _Jv_GetMethodString (jclass, _Jv_Method *, jclass = NULL);
jboolean _Jv_CheckAccess (jclass self_klass, jclass other_klass,
jint flags);
jclass _Jv_GetArrayClass (jclass klass, java::lang::ClassLoader *loader);
-#ifdef INTERPRETER
jboolean _Jv_IsInterpretedClass (jclass);
-void _Jv_InitField (jobject, jclass, int);
+jboolean _Jv_IsBinaryCompatibilityABI (jclass);
-class _Jv_ClassReader;
-class _Jv_InterpClass;
-class _Jv_InterpMethod;
+jboolean _Jv_IsPhantomClass (jclass);
+
+void _Jv_CopyClassesToSystemLoader (gnu::gcj::runtime::SystemClassLoader *);
+
+#ifdef INTERPRETER
+void _Jv_InitField (jobject, jclass, int);
#endif
+class _Jv_StackTrace;
class _Jv_BytecodeVerifier;
-class gnu::gcj::runtime::StackTrace;
-class java::io::VMObjectStreamClass;
void _Jv_sharedlib_register_hook (jclass klass);
+/* Find the class that defines the given method. Returns NULL
+ if it cannot be found. Searches both interpreted and native
+ classes. */
+jclass _Jv_GetMethodDeclaringClass (jmethodID method);
class java::lang::Class : public java::lang::Object
{
JArray<jclass> *getClasses (void);
java::lang::ClassLoader *getClassLoader (void);
-
+private:
+ java::lang::ClassLoader *getClassLoader (jclass caller);
+public:
// This is an internal method that circumvents the usual security
// checks when getting the class loader.
java::lang::ClassLoader *getClassLoaderInternal (void)
java::lang::reflect::Constructor *getConstructor (JArray<jclass> *);
JArray<java::lang::reflect::Constructor *> *getConstructors (void);
java::lang::reflect::Constructor *getDeclaredConstructor (JArray<jclass> *);
- JArray<java::lang::reflect::Constructor *> *getDeclaredConstructors (void);
+ JArray<java::lang::reflect::Constructor *> *getDeclaredConstructors (jboolean);
java::lang::reflect::Field *getDeclaredField (jstring);
JArray<java::lang::reflect::Field *> *getDeclaredFields ();
JArray<java::lang::reflect::Field *> *getDeclaredFields (jboolean);
JArray<java::lang::reflect::Method *> *getDeclaredMethods (void);
JArray<jclass> *getDeclaredClasses (void);
+ JArray<jclass> *getDeclaredClasses (jboolean);
jclass getDeclaringClass (void);
java::lang::reflect::Field *getField (jstring);
private:
JArray<java::lang::reflect::Field *> internalGetFields ();
- JArray<java::lang::reflect::Constructor *> *_getConstructors (jboolean);
java::lang::reflect::Field *getField (jstring, jint);
jint _getMethods (JArray<java::lang::reflect::Method *> *result,
jint offset);
java::lang::reflect::Method *_getMethod (jstring, JArray<jclass> *);
java::lang::reflect::Method *_getDeclaredMethod (jstring, JArray<jclass> *);
+ jstring getReflectionSignature (jint /*jv_attr_type*/ type,
+ jint obj_index);
+ jstring getReflectionSignature (::java::lang::reflect::Method *);
+ jstring getReflectionSignature (::java::lang::reflect::Constructor *);
+ jstring getReflectionSignature (::java::lang::reflect::Field *);
+
+ jstring getClassSignature();
+ jobject getMethodDefaultValue (::java::lang::reflect::Method *);
+
public:
JArray<java::lang::reflect::Field *> *getFields (void);
inline jclass getComponentType (void)
{
- return isArray () ? (* (jclass *) &methods) : 0;
+ return isArray () ? element_type : 0;
}
jboolean isAssignableFrom (jclass cls);
jstring toString (void);
jboolean desiredAssertionStatus (void);
+ JArray<java::lang::reflect::TypeVariable *> *getTypeParameters (void);
+
+ jint getEnclosingMethodData(void);
+ java::lang::Class *getEnclosingClass (void);
+ java::lang::reflect::Constructor *getEnclosingConstructor (void);
+ java::lang::reflect::Method *getEnclosingMethod (void);
+ jobjectArray getDeclaredAnnotations(jint, jint, jint);
+ jobjectArray getDeclaredAnnotations(::java::lang::reflect::Method *,
+ jboolean);
+ jobjectArray getDeclaredAnnotations(::java::lang::reflect::Constructor *,
+ jboolean);
+ jobjectArray getDeclaredAnnotations(::java::lang::reflect::Field *);
+ JArray< ::java::lang::annotation::Annotation *> *getDeclaredAnnotationsInternal();
+
+ jboolean isEnum (void)
+ {
+ return (accflags & 0x4000) != 0;
+ }
+ jboolean isSynthetic (void)
+ {
+ return (accflags & 0x1000) != 0;
+ }
+ jboolean isAnnotation (void)
+ {
+ return (accflags & 0x2000) != 0;
+ }
+
+ jboolean isAnonymousClass();
+ jboolean isLocalClass();
+ jboolean isMemberClass();
+
// FIXME: this probably shouldn't be public.
jint size (void)
{
// types. See prims.cc.
Class ();
+ // Given the BC ABI version, return the size of an Class initializer.
+ static jlong initializerSize (jlong ABI)
+ {
+ unsigned long version = ABI & 0xfffff;
+ int abi_rev = version % 100;
+
+ // The reflection_data field was added by abi_rev 1.
+ if (abi_rev == 0)
+ return ((char*)(&::java::lang::Class::class$.reflection_data)
+ - (char*)&::java::lang::Class::class$);
+
+ return sizeof (::java::lang::Class);
+ }
+
static java::lang::Class class$;
private:
notifyAll ();
}
+ jint findInnerClassAttribute();
+ jint findDeclaredClasses(JArray<jclass> *, jboolean, jint);
+
// Friend functions implemented in natClass.cc.
friend _Jv_Method *::_Jv_GetMethodLocal (jclass klass, _Jv_Utf8Const *name,
_Jv_Utf8Const *signature);
int method_idx);
friend void ::_Jv_InitClass (jclass klass);
+ friend java::lang::Class* ::_Jv_NewClassFromInitializer (const char *class_initializer);
+ friend void _Jv_RegisterNewClasses (void **classes);
friend _Jv_Method* ::_Jv_LookupDeclaredMethod (jclass, _Jv_Utf8Const *,
_Jv_Utf8Const*, jclass *);
+ friend java::lang::reflect::Method* ::_Jv_GetReflectedMethod (jclass klass,
+ _Jv_Utf8Const *name,
+ _Jv_Utf8Const *signature);
friend jfieldID (::JvGetFirstInstanceField) (jclass);
friend jint (::JvNumInstanceFields) (jclass);
friend jfieldID (::JvGetFirstStaticField) (jclass);
friend void *::_Jv_AllocPtrFreeObj (jint, jclass);
friend void *::_Jv_AllocArray (jint, jclass);
- friend jobject (::_Jv_JNI_ToReflectedField) (_Jv_JNIEnv *, jclass, jfieldID,
+ friend jobject JNICALL (::_Jv_JNI_ToReflectedField) (_Jv_JNIEnv *, jclass, jfieldID,
jboolean);
friend jobject (::_Jv_JNI_ToReflectedMethod) (_Jv_JNIEnv *, jclass, jmethodID,
jboolean);
friend jmethodID (::_Jv_FromReflectedConstructor) (java::lang::reflect::Constructor *);
friend jint (::JvNumMethods) (jclass);
friend jmethodID (::JvGetFirstMethod) (jclass);
+ friend _Jv_Utf8Const *::_Jv_GetClassNameUtf8 (jclass);
+#ifdef INTERPRETER
+ friend _Jv_MethodBase *(::_Jv_FindInterpreterMethod) (jclass klass,
+ jmethodID desired_method);
+ friend jstring ::_Jv_GetInterpClassSourceFile (jclass);
+#endif
+ friend jbyte (::_Jv_GetClassState) (jclass klass);
// Friends classes and functions to implement the ClassLoader
friend class java::lang::ClassLoader;
friend void ::_Jv_RegisterInitiatingLoader (jclass,java::lang::ClassLoader*);
friend void ::_Jv_UnregisterInitiatingLoader (jclass,java::lang::ClassLoader*);
friend void ::_Jv_UnregisterClass (jclass);
+ friend jclass (::_Jv_FindClassNoException) (_Jv_Utf8Const *name,
+ java::lang::ClassLoader *loader);
friend jclass (::_Jv_FindClass) (_Jv_Utf8Const *name,
java::lang::ClassLoader *loader);
friend jclass (::_Jv_FindClassInCache) (_Jv_Utf8Const *name);
friend void ::_Jv_InitNewClassFields (jclass klass);
// in prims.cc
- friend void ::_Jv_InitPrimClass (jclass, char *, char, int);
+ friend void ::_Jv_InitPrimClass (jclass, const char *, char, int);
friend jstring (::_Jv_GetMethodString) (jclass, _Jv_Method *, jclass);
friend jclass (::_Jv_GetArrayClass) (jclass klass,
java::lang::ClassLoader *loader);
-#ifdef INTERPRETER
friend jboolean (::_Jv_IsInterpretedClass) (jclass);
+ friend jboolean (::_Jv_IsBinaryCompatibilityABI) (jclass);
+
+ friend jboolean (::_Jv_IsPhantomClass) (jclass);
+
+#ifdef INTERPRETER
friend void ::_Jv_InitField (jobject, jclass, int);
friend class ::_Jv_ClassReader;
friend class ::_Jv_InterpClass;
friend class ::_Jv_InterpMethod;
+ friend class ::_Jv_InterpreterEngine;
#endif
+ friend class ::_Jv_StackTrace;
#ifdef JV_MARKOBJ_DECL
friend JV_MARKOBJ_DECL;
#endif
friend class ::_Jv_BytecodeVerifier;
- friend class gnu::gcj::runtime::StackTrace;
friend class java::io::VMObjectStreamClass;
friend class ::_Jv_Linker;
friend class ::_Jv_ExecutionEngine;
friend class ::_Jv_CompiledEngine;
- friend class ::_Jv_InterpreterEngine;
+ friend class ::_Jv_IndirectCompiledEngine;
+ friend class ::_Jv_ClosureList;
friend void ::_Jv_sharedlib_register_hook (jclass klass);
+ friend void *::_Jv_ResolvePoolEntry (jclass this_class, jint index);
+
+ friend void ::_Jv_CopyClassesToSystemLoader (gnu::gcj::runtime::SystemClassLoader *);
+
+ friend class java::lang::reflect::Field;
+ friend class java::lang::reflect::Method;
+ friend class java::lang::reflect::Constructor;
+ friend class java::lang::reflect::VMProxy;
+
// Chain for class pool. This also doubles as the ABI version
// number. It is only used for this purpose at class registration
// time, and only for precompiled classes.
_Jv_Constants constants;
// Methods. If this is an array class, then this field holds a
// pointer to the element type.
- _Jv_Method *methods;
+ union
+ {
+ _Jv_Method *methods;
+ jclass element_type;
+ };
// Number of methods. If this class is primitive, this holds the
// character used to represent this type in a signature.
jshort method_count;
jshort depth;
// Vector of this class's superclasses, ordered by decreasing depth.
jclass *ancestors;
- // Interface Dispatch Table.
- _Jv_IDispatchTable *idt;
+ // In a regular class, this field points to the Class Interface Dispatch
+ // Table. In an interface, it points to the ioffsets table.
+ union
+ {
+ _Jv_IDispatchTable *idt;
+ jshort *ioffsets;
+ };
// Pointer to the class that represents an array of this class.
jclass arrayclass;
// Security Domain to which this class belongs (or null).
void *aux_info;
// Execution engine.
_Jv_ExecutionEngine *engine;
+ // Reflection data.
+ unsigned char *reflection_data;
};
// Inline functions that are friends of java::lang::Class
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