// natClass.cc - Implementation of java.lang.Class native methods.
-/* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+/* 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/Member.h>
#include <java/lang/reflect/Method.h>
#include <java/lang/reflect/Field.h>
+#include <java/lang/reflect/Proxy.h>
#include <java/lang/reflect/Constructor.h>
#include <java/lang/AbstractMethodError.h>
#include <java/lang/ArrayStoreException.h>
#include <java/lang/NullPointerException.h>
#include <java/lang/RuntimePermission.h>
#include <java/lang/System.h>
+#include <java/lang/SecurityException.h>
#include <java/lang/SecurityManager.h>
#include <java/lang/StringBuffer.h>
#include <java/lang/VMClassLoader.h>
#include <gcj/method.h>
#include <gnu/gcj/RawData.h>
#include <java/lang/VerifyError.h>
+#include <java/lang/InternalError.h>
+#include <java/lang/TypeNotPresentException.h>
+#include <java/lang/Byte.h>
+#include <java/lang/Short.h>
+#include <java/lang/Integer.h>
+#include <java/lang/Float.h>
+#include <java/lang/Double.h>
+#include <java/lang/Long.h>
+#include <java/lang/Character.h>
+#include <java/lang/Boolean.h>
+#include <java/lang/annotation/Annotation.h>
+#include <java/util/HashMap.h>
+#include <java/util/Map.h>
+#include <sun/reflect/annotation/AnnotationInvocationHandler.h>
+#include <java/lang/Enum.h>
#include <java-cpool.h>
#include <java-interp.h>
}
JArray<jclass> *
-java::lang::Class::getDeclaredClasses (jboolean /*publicOnly*/)
-{
- // Until we have inner classes, it always makes sense to return an
- // empty array.
- JArray<jclass> *result
- = (JArray<jclass> *) JvNewObjectArray (0, &java::lang::Class::class$,
- NULL);
- return result;
-}
-
-jclass
-java::lang::Class::getDeclaringClass (void)
-{
- // Until we have inner classes, it makes sense to always return
- // NULL.
- return NULL;
-}
-
-JArray<jclass> *
java::lang::Class::getInterfaces (void)
{
jobjectArray r = JvNewObjectArray (interface_count, getClass (), NULL);
engine->unregister(this);
}
+#ifdef INTERPRETER
+void
+_Jv_ClosureList::releaseClosures (_Jv_ClosureList **closures)
+{
+ if (!closures)
+ return;
+
+ while (_Jv_ClosureList *current = *closures)
+ {
+ *closures = current->next;
+ ffi_closure_free (current->ptr);
+ }
+}
+
+void
+_Jv_ClosureList::registerClosure (jclass klass, void *ptr)
+{
+ _Jv_ClosureList **closures = klass->engine->get_closure_list (klass);
+ this->ptr = ptr;
+ this->next = *closures;
+ *closures = this;
+}
+#endif
+
// This implements the initialization process for a class. From Spec
// section 12.4.2.
void
{
_Jv_Linker::wait_for_state(this, JV_STATE_LINKED);
}
+ catch (java::lang::SecurityException *x)
+ {
+ throw x;
+ }
catch (java::lang::Throwable *x)
{
// Turn into a NoClassDefFoundError.
{
_Jv_InitClass (superclass);
}
+ catch (java::lang::SecurityException *x)
+ {
+ throw x;
+ }
catch (java::lang::Throwable *except)
{
// Caught an exception.
if (meth)
((void (*) (void)) meth->ncode) ();
}
+ catch (java::lang::SecurityException *x)
+ {
+ throw x;
+ }
catch (java::lang::Throwable *except)
{
if (! java::lang::Error::class$.isInstance(except))
\f
+static unsigned char
+read_u1 (unsigned char *&p)
+{
+ return *p++;
+}
+
+static unsigned char
+read_u1 (unsigned char *&p, unsigned char *next)
+{
+ if (next - p < 1)
+ throw new java::lang::InternalError();
+ return *p++;
+}
+
+static unsigned int
+read_u2 (unsigned char *&p)
+{
+ unsigned int b1 = *p++;
+ unsigned int b2 = *p++;
+ return (b1 << 8) | b2;
+}
+
+static unsigned int
+read_u2 (unsigned char *&p, unsigned char *next)
+{
+ if (next - p < 2)
+ throw new java::lang::InternalError();
+ return read_u2 (p);
+}
+
+static int
+read_4 (unsigned char *&p)
+{
+ int b1 = *p++;
+ int b2 = *p++;
+ int b3 = *p++;
+ int b4 = *p++;
+ return (b1 << 24) | (b2 << 16) | (b3 << 8) | b4;
+}
+
+jstring
+java::lang::Class::getReflectionSignature (jint /*jv_attr_type*/ type,
+ jint obj_index)
+{
+ // We just re-parse the bytecode for this data each time. If
+ // necessary we can cache results, but I suspect this is not
+ // performance sensitive.
+ unsigned char *bytes = reflection_data;
+ if (bytes == NULL)
+ return NULL;
+ while (true)
+ {
+ int kind = read_u1 (bytes);
+ if (kind == JV_DONE_ATTR)
+ return NULL;
+ int len = read_4 (bytes);
+ unsigned char *next = bytes + len;
+ if (kind != type)
+ {
+ bytes = next;
+ continue;
+ }
+ if (type != JV_CLASS_ATTR)
+ {
+ unsigned short index = read_u2 (bytes, next);
+ if (index != obj_index)
+ {
+ bytes = next;
+ continue;
+ }
+ }
+ int nt = read_u1 (bytes, next);
+ if (nt != JV_SIGNATURE_KIND)
+ {
+ bytes = next;
+ continue;
+ }
+ unsigned int cpool_idx = read_u2 (bytes, next);
+ if (cpool_idx >= (unsigned int) constants.size
+ || constants.tags[cpool_idx] != JV_CONSTANT_Utf8)
+ {
+ // We just ignore errors for now. It isn't clear what is
+ // best to do here, as an encoding error here means a bug
+ // either in the compiler or in defineclass.cc.
+ return NULL;
+ }
+ return _Jv_NewStringUtf8Const (constants.data[cpool_idx].utf8);
+ }
+}
+
+jstring
+java::lang::Class::getReflectionSignature (::java::lang::reflect::Constructor *c)
+{
+ _Jv_Method *meth = _Jv_FromReflectedConstructor (c);
+ unsigned short meth_index = meth - methods;
+ return getReflectionSignature (JV_METHOD_ATTR, meth_index);
+}
+
+jstring
+java::lang::Class::getReflectionSignature (::java::lang::reflect::Method *m)
+{
+ _Jv_Method *meth = _Jv_FromReflectedMethod (m);
+ unsigned short meth_index = meth - methods;
+ return getReflectionSignature (JV_METHOD_ATTR, meth_index);
+}
+
+jstring
+java::lang::Class::getReflectionSignature (::java::lang::reflect::Field *f)
+{
+ _Jv_Field *fld = _Jv_FromReflectedField (f);
+ unsigned short fld_index = fld - fields;
+ return getReflectionSignature (JV_FIELD_ATTR, fld_index);
+}
+
+jstring
+java::lang::Class::getClassSignature()
+{
+ return getReflectionSignature (JV_CLASS_ATTR, 0);
+}
+
+jint
+java::lang::Class::getEnclosingMethodData()
+{
+ unsigned char *bytes = reflection_data;
+ if (bytes == NULL)
+ return 0;
+ while (true)
+ {
+ int kind = read_u1 (bytes);
+ if (kind == JV_DONE_ATTR)
+ return 0;
+ int len = read_4 (bytes);
+ unsigned char *next = bytes + len;
+ if (kind != JV_CLASS_ATTR)
+ {
+ bytes = next;
+ continue;
+ }
+ int type = read_u1 (bytes, next);
+ if (type != JV_ENCLOSING_METHOD_KIND)
+ {
+ bytes = next;
+ continue;
+ }
+ int class_index = read_u2 (bytes, next);
+ int method_index = read_u2 (bytes, next);
+ _Jv_word result;
+ _Jv_storeIndexes (&result, class_index, method_index);
+ return result.i;
+ }
+}
+
+jclass
+java::lang::Class::getEnclosingClass()
+{
+ _Jv_word indexes;
+ indexes.i = getEnclosingMethodData();
+ if (indexes.i == 0)
+ // No enclosing method, but perhaps a member or anonymous class
+ return getDeclaringClass();
+ _Jv_ushort class_index, method_index;
+ _Jv_loadIndexes (&indexes, class_index, method_index);
+ return _Jv_Linker::resolve_pool_entry (this, class_index).clazz;
+}
+
+::java::lang::reflect::Method *
+java::lang::Class::getEnclosingMethod()
+{
+ _Jv_word indexes;
+ indexes.i = getEnclosingMethodData();
+ if (indexes.i == 0)
+ return NULL;
+ _Jv_ushort class_index, method_index;
+ _Jv_loadIndexes (&indexes, class_index, method_index);
+ jclass found_class;
+ _Jv_Method *method = _Jv_Linker::resolve_method_entry (this, found_class,
+ class_index,
+ method_index,
+ false, false);
+ using namespace java::lang::reflect;
+ Method *rmethod = new Method ();
+ rmethod->offset = (char *) method - (char *) found_class->methods;
+ rmethod->declaringClass = found_class;
+ return rmethod;
+}
+
+::java::lang::reflect::Constructor *
+java::lang::Class::getEnclosingConstructor()
+{
+ _Jv_word indexes;
+ indexes.i = getEnclosingMethodData();
+ if (indexes.i == 0)
+ return NULL;
+ _Jv_ushort class_index, method_index;
+ _Jv_loadIndexes (&indexes, class_index, method_index);
+ jclass found_class;
+ _Jv_Method *method = _Jv_Linker::resolve_method_entry (this, found_class,
+ class_index,
+ method_index,
+ false, false);
+ using namespace java::lang::reflect;
+ Constructor *cons = new Constructor ();
+ cons->offset = (char *) method - (char *) found_class->methods;
+ cons->declaringClass = this;
+ return cons;
+}
+
+static void
+check_constant (_Jv_Constants *pool, jint cpool_index, jint type)
+{
+ if (cpool_index <= 0 || cpool_index >= pool->size)
+ throw new InternalError(JvNewStringLatin1("invalid constant pool index"));
+ if ((pool->tags[cpool_index] &
+ ~(JV_CONSTANT_ResolvedFlag|JV_CONSTANT_LazyFlag)) != type)
+ {
+ ::java::lang::StringBuffer *sb = new ::java::lang::StringBuffer();
+ sb->append(JvNewStringLatin1("expected pool constant "));
+ sb->append(type);
+ sb->append(JvNewStringLatin1(" but got "));
+ sb->append(jint (pool->tags[cpool_index]));
+ throw new InternalError(sb->toString());
+ }
+}
+
+// Forward declaration
+static ::java::lang::annotation::Annotation *
+parseAnnotation(jclass klass, _Jv_Constants *pool,
+ unsigned char *&bytes, unsigned char *last);
+
+static jobject
+parseAnnotationElement(jclass klass, _Jv_Constants *pool,
+ unsigned char *&bytes, unsigned char *last)
+{
+ int tag = read_u1 (bytes, last);
+ jobject result;
+ switch (tag)
+ {
+ case 'B':
+ {
+ int cindex = read_u2 (bytes, last);
+ check_constant (pool, cindex, JV_CONSTANT_Integer);
+ result = Byte::valueOf (pool->data[cindex].i);
+ }
+ break;
+ case 'C':
+ {
+ int cindex = read_u2 (bytes, last);
+ check_constant (pool, cindex, JV_CONSTANT_Integer);
+ result = Character::valueOf (pool->data[cindex].i);
+ }
+ break;
+ case 'S':
+ {
+ int cindex = read_u2 (bytes, last);
+ check_constant (pool, cindex, JV_CONSTANT_Integer);
+ result = Short::valueOf (pool->data[cindex].i);
+ }
+ break;
+ case 'Z':
+ {
+ int cindex = read_u2 (bytes, last);
+ check_constant (pool, cindex, JV_CONSTANT_Integer);
+ result = Boolean::valueOf (jboolean (pool->data[cindex].i));
+ }
+ break;
+ case 'I':
+ {
+ int cindex = read_u2 (bytes, last);
+ check_constant (pool, cindex, JV_CONSTANT_Integer);
+ result = Integer::valueOf (pool->data[cindex].i);
+ }
+ break;
+ case 'D':
+ {
+ int cindex = read_u2 (bytes, last);
+ check_constant (pool, cindex, JV_CONSTANT_Double);
+ _Jv_word2 word;
+ memcpy (&word, &pool->data[cindex], 2 * sizeof (_Jv_word));
+ result = Double::valueOf (word.d);
+ }
+ break;
+ case 'F':
+ {
+ int cindex = read_u2 (bytes, last);
+ check_constant (pool, cindex, JV_CONSTANT_Float);
+ result = Float::valueOf (pool->data[cindex].f);
+ }
+ break;
+ case 'J':
+ {
+ int cindex = read_u2 (bytes, last);
+ check_constant (pool, cindex, JV_CONSTANT_Long);
+ _Jv_word2 word;
+ memcpy (&word, &pool->data[cindex], 2 * sizeof (_Jv_word));
+ result = Long::valueOf (word.l);
+ }
+ break;
+ case 's':
+ {
+ int cindex = read_u2 (bytes, last);
+ // Despite what the JVM spec says, compilers generate a Utf8
+ // constant here, not a String.
+ check_constant (pool, cindex, JV_CONSTANT_Utf8);
+ result = pool->data[cindex].utf8->toString();
+ }
+ break;
+ case 'e':
+ {
+ int type_name_index = read_u2 (bytes, last);
+ check_constant (pool, type_name_index, JV_CONSTANT_Utf8);
+ int const_name_index = read_u2 (bytes, last);
+ check_constant (pool, const_name_index, JV_CONSTANT_Utf8);
+
+ _Jv_Utf8Const *u_name = pool->data[type_name_index].utf8;
+ _Jv_Utf8Const *e_name = pool->data[const_name_index].utf8;
+
+ // FIXME: throw correct exceptions at the correct times.
+ jclass e_class = _Jv_FindClassFromSignature(u_name->chars(),
+ klass->getClassLoaderInternal());
+ result = ::java::lang::Enum::valueOf(e_class, e_name->toString());
+ }
+ break;
+ case 'c':
+ {
+ int cindex = read_u2 (bytes, last);
+ check_constant (pool, cindex, JV_CONSTANT_Utf8);
+ _Jv_Utf8Const *u_name = pool->data[cindex].utf8;
+ jclass anno_class
+ = _Jv_FindClassFromSignatureNoException(u_name->chars(),
+ klass->getClassLoaderInternal());
+ // FIXME: not correct: we should lazily do this when trying to
+ // read the element. This means that
+ // AnnotationInvocationHandler needs to have a special case.
+ if (! anno_class)
+ // FIXME: original exception...
+ throw new TypeNotPresentException(u_name->toString(), NULL);
+ result = anno_class;
+ }
+ break;
+ case '@':
+ result = parseAnnotation (klass, pool, bytes, last);
+ break;
+ case '[':
+ {
+ int n_array_elts = read_u2 (bytes, last);
+ jobjectArray aresult = _Jv_NewObjectArray (n_array_elts,
+ &Object::class$, NULL);
+ jobject *elts = elements (aresult);
+ for (int i = 0; i < n_array_elts; ++i)
+ elts[i] = parseAnnotationElement(klass, pool, bytes, last);
+ result = aresult;
+ }
+ break;
+ default:
+ throw new java::lang::InternalError();
+ }
+ return result;
+}
+
+static ::java::lang::annotation::Annotation *
+parseAnnotation(jclass klass, _Jv_Constants *pool,
+ unsigned char *&bytes, unsigned char *last)
+{
+ int type_index = read_u2 (bytes, last);
+ check_constant (pool, type_index, JV_CONSTANT_Utf8);
+
+ _Jv_Utf8Const *u_name = pool->data[type_index].utf8;
+ jclass anno_class = _Jv_FindClassFromSignatureNoException(u_name->chars(),
+ klass->getClassLoaderInternal());
+ // FIXME: what to do if anno_class==NULL?
+
+ ::java::util::HashMap *hmap = new ::java::util::HashMap();
+ int npairs = read_u2 (bytes, last);
+ for (int i = 0; i < npairs; ++i)
+ {
+ int name_index = read_u2 (bytes, last);
+ check_constant (pool, name_index, JV_CONSTANT_Utf8);
+ jstring name = _Jv_NewStringUtf8Const (pool->data[name_index].utf8);
+ jobject value = parseAnnotationElement (klass, pool, bytes, last);
+ // FIXME: any checks needed for name?
+ hmap->put(name, value);
+ }
+ using namespace ::sun::reflect::annotation;
+ return AnnotationInvocationHandler::create (anno_class,
+ (::java::util::Map *) hmap);
+}
+
+static jobjectArray
+parseAnnotations(jclass klass, _Jv_Constants *pool,
+ unsigned char *&bytes, unsigned char *last)
+{
+ int num = read_u2 (bytes, last);
+ jobjectArray result = _Jv_NewObjectArray (num,
+ &::java::lang::annotation::Annotation::class$,
+ NULL);
+ jobject *elts = elements (result);
+ for (int i = 0; i < num; ++i)
+ elts[i] = parseAnnotation(klass, pool, bytes, last);
+ return result;
+}
+
+static jobjectArray
+parseParameterAnnotations(jclass klass, _Jv_Constants *pool,
+ unsigned char *&bytes, unsigned char *last)
+{
+ jclass anno = &::java::lang::annotation::Annotation::class$;
+ jclass annoary = _Jv_GetArrayClass (anno, anno->getClassLoaderInternal());
+
+ // FIXME: something should check the number of params versus the
+ // method
+ int n_params = read_u1 (bytes, last);
+ jobjectArray result = _Jv_NewObjectArray (n_params, annoary, NULL);
+ jobject *elts = elements (result);
+ for (int i = 0; i < n_params; ++i)
+ elts[i] = parseAnnotations(klass, pool, bytes, last);
+ return result;
+}
+
+jobject
+java::lang::Class::getMethodDefaultValue(::java::lang::reflect::Method *meth)
+{
+ // FIXME: could cache the value here...
+
+ unsigned char *bytes = reflection_data;
+ if (bytes == NULL)
+ return 0;
+
+ unsigned short meth_index = _Jv_FromReflectedMethod (meth) - methods;
+
+ while (true)
+ {
+ int type = read_u1 (bytes);
+ if (type == JV_DONE_ATTR)
+ return NULL;
+ int len = read_4 (bytes);
+ unsigned char *next = bytes + len;
+ if (type != JV_METHOD_ATTR)
+ {
+ bytes = next;
+ continue;
+ }
+ int kind = read_u1 (bytes, next);
+ if (kind != JV_ANNOTATION_DEFAULT_KIND)
+ {
+ bytes = next;
+ continue;
+ }
+ int index = read_u2 (bytes, next);
+ if (meth_index != index)
+ {
+ bytes = next;
+ continue;
+ }
+
+ // FIXME: could cache here. If we do then we have to clone any
+ // array result.
+ return parseAnnotationElement(this, &this->constants, bytes, next);
+ }
+}
+
+jobjectArray
+java::lang::Class::getDeclaredAnnotations(jint /* jv_attr_type */ member_type,
+ jint member_index,
+ jint /* jv_attr_kind */ kind_req)
+{
+ using namespace java::lang::annotation;
+ jobjectArray result;
+
+ unsigned char *bytes = reflection_data;
+ if (bytes == NULL)
+ return 0;
+
+ if (loader == NULL)
+ loader = (ClassLoader *)VMClassLoader::bootLoader;
+
+ result = (loader->getDeclaredAnnotations
+ (this, member_type, member_index, kind_req));
+ if (result)
+ return result;
+
+ for (;;)
+ {
+ int type = read_u1 (bytes);
+ if (type == JV_DONE_ATTR)
+ return NULL;
+ int len = read_4 (bytes);
+ unsigned char *next = bytes + len;
+ if (type != member_type)
+ {
+ bytes = next;
+ continue;
+ }
+ int kind = read_u1 (bytes, next);
+ if (kind != kind_req)
+ {
+ bytes = next;
+ continue;
+ }
+ if (member_type != JV_CLASS_ATTR)
+ {
+ int index = read_u2 (bytes, next);
+ if (member_index != index)
+ {
+ bytes = next;
+ continue;
+ }
+ }
+
+ if (kind_req == JV_PARAMETER_ANNOTATIONS_KIND)
+ result = ((parseParameterAnnotations
+ (this, &this->constants, bytes, next)));
+ else
+ result = ((parseAnnotations (this, &this->constants, bytes, next)));
+ break;
+ }
+
+ return (loader->putDeclaredAnnotations
+ (this, member_type, member_index, kind_req, result));
+}
+
+jobjectArray
+java::lang::Class::getDeclaredAnnotations(::java::lang::reflect::Method *meth,
+ jboolean is_param)
+{
+ unsigned short meth_index = _Jv_FromReflectedMethod (meth) - methods;
+ return getDeclaredAnnotations(JV_METHOD_ATTR, meth_index,
+ (is_param
+ ? JV_PARAMETER_ANNOTATIONS_KIND
+ : JV_ANNOTATIONS_KIND));
+}
+
+jobjectArray
+java::lang::Class::getDeclaredAnnotations(::java::lang::reflect::Constructor *cons,
+ jboolean is_param)
+{
+ unsigned short meth_index = _Jv_FromReflectedConstructor (cons) - methods;
+ return getDeclaredAnnotations(JV_METHOD_ATTR, meth_index,
+ (is_param
+ ? JV_PARAMETER_ANNOTATIONS_KIND
+ : JV_ANNOTATIONS_KIND));
+}
+
+jobjectArray
+java::lang::Class::getDeclaredAnnotations(::java::lang::reflect::Field *fld)
+{
+ unsigned short field_index = _Jv_FromReflectedField (fld) - fields;
+ return getDeclaredAnnotations(JV_FIELD_ATTR, field_index,
+ JV_ANNOTATIONS_KIND);
+}
+
+JArray< ::java::lang::annotation::Annotation *> *
+java::lang::Class::getDeclaredAnnotationsInternal()
+{
+ return (JArray< ::java::lang::annotation::Annotation *> *) getDeclaredAnnotations(JV_CLASS_ATTR, 0, JV_ANNOTATIONS_KIND);
+}
+
+static jclass
+resolve_class_constant (jclass klass, _Jv_Constants *pool, int cpool_index)
+{
+ check_constant (pool, cpool_index, JV_CONSTANT_Class);
+ // FIXME: what is the correct thing to do with an exception here?
+ return _Jv_Linker::resolve_pool_entry (klass, cpool_index, false).clazz;
+}
+
+jint
+java::lang::Class::findInnerClassAttribute()
+{
+ unsigned char *bytes = reflection_data;
+ if (bytes == NULL)
+ return -1;
+ while (true)
+ {
+ int type = read_u1 (bytes);
+ if (type == JV_DONE_ATTR)
+ break;
+ // After the type but before the length.
+ unsigned char *save = bytes;
+ int len = read_4 (bytes);
+ unsigned char *next = bytes + len;
+ if (type != JV_CLASS_ATTR)
+ {
+ bytes = next;
+ continue;
+ }
+ int kind = read_u1 (bytes, next);
+ if (kind != JV_INNER_CLASSES_KIND)
+ {
+ bytes = next;
+ continue;
+ }
+ return save - reflection_data;
+ }
+ return -1;
+}
+
+jint
+java::lang::Class::findDeclaredClasses(JArray<jclass> *result,
+ jboolean publicOnly,
+ jint offset)
+{
+ unsigned char *bytes = reflection_data + offset;
+ int len = read_4 (bytes);
+ unsigned char *next = bytes + len;
+ // Skip a byte.
+ read_u1 (bytes, next);
+ int n_classes = read_u2 (bytes, next);
+ int count = 0;
+ for (int i = 0; i < n_classes; ++i)
+ {
+ int inner_class_index = read_u2 (bytes, next);
+ int outer_class_index = read_u2 (bytes, next);
+ /*int inner_name_index = */ read_u2 (bytes, next);
+ int inner_flags = read_u2 (bytes, next);
+
+ if (inner_class_index == 0 || outer_class_index == 0)
+ continue;
+ if (resolve_class_constant (this, &constants, outer_class_index) == this)
+ {
+ jclass inner = resolve_class_constant (this, &constants,
+ inner_class_index);
+ if (! publicOnly
+ || ((inner_flags
+ & java::lang::reflect::Modifier::PUBLIC) != 0))
+ {
+ if (result)
+ {
+ jclass *elts = elements (result);
+ elts[count] = inner;
+ }
+ ++count;
+ }
+ }
+ }
+
+ return count;
+}
+
+JArray<jclass> *
+java::lang::Class::getDeclaredClasses (jboolean publicOnly)
+{
+ int offset = findInnerClassAttribute();
+ int count;
+ if (offset == -1)
+ {
+ // No InnerClasses attribute, so no declared classes.
+ count = 0;
+ }
+ else
+ count = findDeclaredClasses(NULL, publicOnly, offset);
+ JArray<jclass> *result
+ = (JArray<jclass> *) JvNewObjectArray (count, &java::lang::Class::class$,
+ NULL);
+ if (count > 0)
+ findDeclaredClasses(result, publicOnly, offset);
+ return result;
+}
+
+jclass
+java::lang::Class::getDeclaringClass (void)
+{
+ int offset = findInnerClassAttribute();
+ if (offset == -1)
+ return NULL;
+
+ unsigned char *bytes = reflection_data + offset;
+ int len = read_4 (bytes);
+ unsigned char *next = bytes + len;
+ // Skip a byte.
+ read_u1 (bytes, next);
+ int n_classes = read_u2 (bytes, next);
+ for (int i = 0; i < n_classes; ++i)
+ {
+ int inner_class_index = read_u2 (bytes, next);
+ int outer_class_index = read_u2 (bytes, next);
+ /*int inner_name_index = */read_u2 (bytes, next);
+ /*int inner_flags = */read_u2 (bytes, next);
+
+ if (inner_class_index == 0 || outer_class_index == 0)
+ continue;
+ if (resolve_class_constant (this, &constants, inner_class_index) == this)
+ return resolve_class_constant (this, &constants, outer_class_index);
+ }
+
+ return NULL;
+}
+
+jboolean
+java::lang::Class::isAnonymousClass()
+{
+ int offset = findInnerClassAttribute();
+ if (offset == -1)
+ return false;
+
+ unsigned char *bytes = reflection_data + offset;
+ int len = read_4 (bytes);
+ unsigned char *next = bytes + len;
+ // Skip a byte.
+ read_u1 (bytes, next);
+ int n_classes = read_u2 (bytes, next);
+ for (int i = 0; i < n_classes; ++i)
+ {
+ int inner_class_index = read_u2 (bytes, next);
+ /*int outer_class_index = */read_u2 (bytes, next);
+ int inner_name_index = read_u2 (bytes, next);
+ /*int inner_flags = */read_u2 (bytes, next);
+
+ if (inner_class_index == 0)
+ continue;
+ if (resolve_class_constant (this, &constants, inner_class_index) == this)
+ return inner_name_index == 0;
+ }
+
+ return false;
+}
+
+jboolean
+java::lang::Class::isLocalClass()
+{
+ _Jv_word indexes;
+ indexes.i = getEnclosingMethodData();
+ return indexes.i != 0;
+}
+
+jboolean
+java::lang::Class::isMemberClass()
+{
+ // FIXME: is this correct?
+ return !isLocalClass() && getDeclaringClass() != NULL;
+}
+
+\f
+
//
// Some class-related convenience functions.
//
return NULL;
}
+java::lang::reflect::Method *
+_Jv_GetReflectedMethod (jclass klass, _Jv_Utf8Const *name,
+ _Jv_Utf8Const *signature)
+{
+ for (; klass; klass = klass->getSuperclass())
+ {
+ _Jv_Method *meth = _Jv_GetMethodLocal (klass, name, signature);
+ if (meth)
+ {
+ using namespace java::lang::reflect;
+ Method *rmethod = new Method ();
+ rmethod->offset = (char*) meth - (char*) klass->methods;
+ rmethod->declaringClass = klass;
+ return rmethod;
+ }
+ }
+
+ return NULL;
+}
+
#ifdef HAVE_TLS
// NOTE: MCACHE_SIZE should be a power of 2 minus one.
{
return klass->name;
}
+
+jclass
+_Jv_GetMethodDeclaringClass (jmethodID method)
+{
+ _Jv_StackTrace::UpdateNCodeMap ();
+ jobject obj = reinterpret_cast<jobject> (method->ncode);
+ return reinterpret_cast<jclass> (_Jv_StackTrace::ncodeMap->get (obj));
+}
+
+jbyte
+_Jv_GetClassState (jclass klass)
+{
+ return klass->state;
+}
+
+#ifdef INTERPRETER
+jstring
+_Jv_GetInterpClassSourceFile (jclass klass)
+{
+ if (_Jv_IsInterpretedClass (klass))
+ {
+ _Jv_InterpClass *iclass =
+ reinterpret_cast<_Jv_InterpClass *> (klass->aux_info);
+ return iclass->source_file_name;
+ }
+
+ return NULL;
+}
+#endif
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