--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/oops/annotations.hpp Sat Sep 01 13:25:18 2012 -0400
@@ -0,0 +1,153 @@
+/*
+ * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef SHARE_VM_OOPS_ANNOTATIONS_HPP
+#define SHARE_VM_OOPS_ANNOTATIONS_HPP
+
+#include "oops/metadata.hpp"
+#include "runtime/handles.hpp"
+#include "utilities/array.hpp"
+#include "utilities/exceptions.hpp"
+#include "utilities/globalDefinitions.hpp"
+
+
+class ClassLoaderData;
+class outputStream;
+
+typedef Array<u1> AnnotationArray;
+
+// Class to hold the various types of annotations. The only metadata that points
+// to this is InstanceKlass.
+
+class Annotations: public MetaspaceObj {
+
+ // Annotations for this class, or null if none.
+ AnnotationArray* _class_annotations;
+ // Annotation objects (byte arrays) for fields, or null if no annotations.
+ // Indices correspond to entries (not indices) in fields array.
+ Array<AnnotationArray*>* _fields_annotations;
+ // Annotation objects (byte arrays) for methods, or null if no annotations.
+ // Index is the idnum, which is initially the same as the methods array index.
+ Array<AnnotationArray*>* _methods_annotations;
+ // Annotation objects (byte arrays) for methods' parameters, or null if no
+ // such annotations.
+ // Index is the idnum, which is initially the same as the methods array index.
+ Array<AnnotationArray*>* _methods_parameter_annotations;
+ // Annotation objects (byte arrays) for methods' default values, or null if no
+ // such annotations.
+ // Index is the idnum, which is initially the same as the methods array index.
+ Array<AnnotationArray*>* _methods_default_annotations;
+
+ // Constructor where some some values are known to not be null
+ Annotations(Array<AnnotationArray*>* fa, Array<AnnotationArray*>* ma,
+ Array<AnnotationArray*>* mpa, Array<AnnotationArray*>* mda) :
+ _class_annotations(NULL),
+ _fields_annotations(fa),
+ _methods_annotations(ma),
+ _methods_parameter_annotations(mpa),
+ _methods_default_annotations(mda) {}
+
+ public:
+ // Allocate instance of this class
+ static Annotations* allocate(ClassLoaderData* loader_data, TRAPS);
+ static Annotations* allocate(ClassLoaderData* loader_data,
+ Array<AnnotationArray*>* fa,
+ Array<AnnotationArray*>* ma,
+ Array<AnnotationArray*>* mpa,
+ Array<AnnotationArray*>* mda, TRAPS);
+ void deallocate_contents(ClassLoaderData* loader_data);
+ DEBUG_ONLY(bool on_stack() { return false; }) // for template
+ static int size() { return sizeof(Annotations) / wordSize; }
+
+ // Constructor to initialize to null
+ Annotations() : _class_annotations(NULL), _fields_annotations(NULL),
+ _methods_annotations(NULL),
+ _methods_parameter_annotations(NULL),
+ _methods_default_annotations(NULL) {}
+
+ AnnotationArray* class_annotations() const { return _class_annotations; }
+ Array<AnnotationArray*>* fields_annotations() const { return _fields_annotations; }
+ Array<AnnotationArray*>* methods_annotations() const { return _methods_annotations; }
+ Array<AnnotationArray*>* methods_parameter_annotations() const { return _methods_parameter_annotations; }
+ Array<AnnotationArray*>* methods_default_annotations() const { return _methods_default_annotations; }
+
+ void set_class_annotations(AnnotationArray* md) { _class_annotations = md; }
+ void set_fields_annotations(Array<AnnotationArray*>* md) { _fields_annotations = md; }
+ void set_methods_annotations(Array<AnnotationArray*>* md) { _methods_annotations = md; }
+ void set_methods_parameter_annotations(Array<AnnotationArray*>* md) { _methods_parameter_annotations = md; }
+ void set_methods_default_annotations(Array<AnnotationArray*>* md) { _methods_default_annotations = md; }
+
+ // Redefine classes support
+ AnnotationArray* get_method_annotations_of(int idnum)
+ { return get_method_annotations_from(idnum, _methods_annotations); }
+
+ AnnotationArray* get_method_parameter_annotations_of(int idnum)
+ { return get_method_annotations_from(idnum, _methods_parameter_annotations); }
+ AnnotationArray* get_method_default_annotations_of(int idnum)
+ { return get_method_annotations_from(idnum, _methods_default_annotations); }
+
+
+ void set_method_annotations_of(instanceKlassHandle ik,
+ int idnum, AnnotationArray* anno, TRAPS) {
+ set_methods_annotations_of(ik, idnum, anno, &_methods_annotations, THREAD);
+ }
+
+ void set_method_parameter_annotations_of(instanceKlassHandle ik,
+ int idnum, AnnotationArray* anno, TRAPS) {
+ set_methods_annotations_of(ik, idnum, anno, &_methods_parameter_annotations, THREAD);
+ }
+
+ void set_method_default_annotations_of(instanceKlassHandle ik,
+ int idnum, AnnotationArray* anno, TRAPS) {
+ set_methods_annotations_of(ik, idnum, anno, &_methods_default_annotations, THREAD);
+ }
+
+ // Turn metadata annotations into a Java heap object (oop)
+ static typeArrayOop make_java_array(AnnotationArray* annotations, TRAPS);
+
+ inline AnnotationArray* get_method_annotations_from(int idnum, Array<AnnotationArray*>* annos);
+ void set_annotations(Array<AnnotationArray*>* md, Array<AnnotationArray*>** md_p) { *md_p = md; }
+
+ private:
+ void set_methods_annotations_of(instanceKlassHandle ik,
+ int idnum, AnnotationArray* anno,
+ Array<AnnotationArray*>** md_p, TRAPS);
+
+ public:
+ const char* internal_name() const { return "{constant pool}"; }
+#ifndef PRODUCT
+ void print_on(outputStream* st) const;
+#endif
+ void print_value_on(outputStream* st) const;
+};
+
+
+// For method with idnum get the method's Annotations
+inline AnnotationArray* Annotations::get_method_annotations_from(int idnum, Array<AnnotationArray*>* annos) {
+ if (annos == NULL || annos->length() <= idnum) {
+ return NULL;
+ }
+ return annos->at(idnum);
+}
+#endif // SHARE_VM_OOPS_ANNOTATIONS_HPP