Merged in AlkWork (pull request #4)

AlkWork

1 files changed, 72 insertions, 0 deletions

diff --git a/src/Java/sun/repackage/NativeConstructorAccessorImpl.java b/src/Java/sun/repackage/NativeConstructorAccessorImpl.java
new file mode 100644
index 0000000000..3acc91e956
--- /dev/null
+++ b/src/Java/sun/repackage/NativeConstructorAccessorImpl.java
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2001, 2013, 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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.
+ */
+
+package sun.repackage;
+
+import java.lang.reflect.*;
+
+/** Used only for the first few invocations of a Constructor;
+    afterward, switches to bytecode-based implementation */
+
+class NativeConstructorAccessorImpl extends ConstructorAccessorImpl {
+    private final Constructor<?> c;
+    private DelegatingConstructorAccessorImpl parent;
+    private int numInvocations;
+
+    NativeConstructorAccessorImpl(Constructor<?> c) {
+        this.c = c;
+    }
+
+    public Object newInstance(Object[] args)
+        throws InstantiationException,
+               IllegalArgumentException,
+               InvocationTargetException
+    {
+        // We can't inflate a constructor belonging to a vm-anonymous class
+        // because that kind of class can't be referred to by name, hence can't
+        // be found from the generated bytecode.
+        if (++numInvocations > ReflectionFactory.inflationThreshold()
+                && !ReflectUtil.isVMAnonymousClass(c.getDeclaringClass())) {
+            ConstructorAccessorImpl acc = (ConstructorAccessorImpl)
+                new MethodAccessorGenerator().
+                    generateConstructor(c.getDeclaringClass(),
+                                        c.getParameterTypes(),
+                                        c.getExceptionTypes(),
+                                        c.getModifiers());
+            parent.setDelegate(acc);
+        }
+
+        return newInstance0(c, args);
+    }
+
+    void setParent(DelegatingConstructorAccessorImpl parent) {
+        this.parent = parent;
+    }
+
+    private static native Object newInstance0(Constructor<?> c, Object[] args)
+        throws InstantiationException,
+               IllegalArgumentException,
+               InvocationTargetException;
+}