--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.graal.api.code/src/com/oracle/graal/api/code/DelegatingCodeCacheProvider.java	Thu Sep 12 09:13:12 2013 +0200
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 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.
+ *
+ * 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 com.oracle.graal.api.code;
+
+import com.oracle.graal.api.meta.*;
+
+/**
+ * A {@link CodeCacheProvider} that delegates to another {@link CodeCacheProvider}.
+ */
+public class DelegatingCodeCacheProvider extends DelegatingMetaAccessProvider implements CodeCacheProvider {
+
+    public DelegatingCodeCacheProvider(CodeCacheProvider delegate) {
+        super(delegate);
+    }
+
+    @Override
+    protected CodeCacheProvider delegate() {
+        return (CodeCacheProvider) super.delegate();
+    }
+
+    public InstalledCode addMethod(ResolvedJavaMethod method, CompilationResult compResult) {
+        return delegate().addMethod(method, compResult);
+    }
+
+    public String disassemble(CompilationResult compResult, InstalledCode installedCode) {
+        return delegate().disassemble(compResult, installedCode);
+    }
+
+    public RegisterConfig lookupRegisterConfig() {
+        return delegate().lookupRegisterConfig();
+    }
+
+    public int getMinimumOutgoingSize() {
+        return delegate().getMinimumOutgoingSize();
+    }
+
+    public ForeignCallLinkage lookupForeignCall(ForeignCallDescriptor descriptor) {
+        return delegate().lookupForeignCall(descriptor);
+    }
+
+    public int encodeDeoptActionAndReason(DeoptimizationAction action, DeoptimizationReason reason) {
+        return delegate().encodeDeoptActionAndReason(action, reason);
+    }
+
+    public boolean needsDataPatch(Constant constant) {
+        return delegate().needsDataPatch(constant);
+    }
+
+    public TargetDescription getTarget() {
+        return delegate().getTarget();
+    }
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.graal.api.meta/src/com/oracle/graal/api/meta/DelegatingMetaAccessProvider.java	Thu Sep 12 09:13:12 2013 +0200
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 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.
+ *
+ * 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 com.oracle.graal.api.meta;
+
+import java.lang.reflect.*;
+
+/**
+ * A {@link MetaAccessProvider} that delegates to another {@link MetaAccessProvider}.
+ */
+public class DelegatingMetaAccessProvider implements MetaAccessProvider {
+
+    private final MetaAccessProvider delegate;
+
+    public DelegatingMetaAccessProvider(MetaAccessProvider delegate) {
+        this.delegate = delegate;
+    }
+
+    protected MetaAccessProvider delegate() {
+        return delegate;
+    }
+
+    public ResolvedJavaType lookupJavaType(Class<?> clazz) {
+        return delegate.lookupJavaType(clazz);
+    }
+
+    public ResolvedJavaMethod lookupJavaMethod(Method reflectionMethod) {
+        return delegate.lookupJavaMethod(reflectionMethod);
+    }
+
+    public ResolvedJavaMethod lookupJavaConstructor(Constructor reflectionConstructor) {
+        return delegate.lookupJavaConstructor(reflectionConstructor);
+    }
+
+    public ResolvedJavaField lookupJavaField(Field reflectionField) {
+        return delegate.lookupJavaField(reflectionField);
+    }
+
+    public ResolvedJavaType lookupJavaType(Constant constant) {
+        return delegate.lookupJavaType(constant);
+    }
+
+    public Signature parseMethodDescriptor(String methodDescriptor) {
+        return delegate.parseMethodDescriptor(methodDescriptor);
+    }
+
+    public boolean constantEquals(Constant x, Constant y) {
+        return delegate.constantEquals(x, y);
+    }
+
+    public int lookupArrayLength(Constant array) {
+        return delegate.lookupArrayLength(array);
+    }
+
+    public Constant readUnsafeConstant(Kind kind, Object base, long displacement, boolean compressible) {
+        return delegate.readUnsafeConstant(kind, base, displacement, compressible);
+    }
+
+    public boolean isReexecutable(ForeignCallDescriptor descriptor) {
+        return delegate.isReexecutable(descriptor);
+    }
+
+    public LocationIdentity[] getKilledLocations(ForeignCallDescriptor descriptor) {
+        return delegate.getKilledLocations(descriptor);
+    }
+
+    public boolean canDeoptimize(ForeignCallDescriptor descriptor) {
+        return delegate.canDeoptimize(descriptor);
+    }
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/spi/DelegatingGraalCodeCacheProvider.java	Thu Sep 12 09:13:12 2013 +0200
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2011, 2011, 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.
+ */
+package com.oracle.graal.nodes.spi;
+
+import com.oracle.graal.api.code.*;
+import com.oracle.graal.api.meta.*;
+import com.oracle.graal.graph.*;
+import com.oracle.graal.nodes.*;
+import com.oracle.graal.nodes.extended.*;
+
+/**
+ * A {@link GraalCodeCacheProvider} that delegates to another {@link GraalCodeCacheProvider}.
+ */
+public class DelegatingGraalCodeCacheProvider extends DelegatingCodeCacheProvider implements GraalCodeCacheProvider {
+
+    public DelegatingGraalCodeCacheProvider(CodeCacheProvider delegate) {
+        super(delegate);
+    }
+
+    @Override
+    protected GraalCodeCacheProvider delegate() {
+        return (GraalCodeCacheProvider) super.delegate();
+    }
+
+    public InstalledCode addMethod(ResolvedJavaMethod method, CompilationResult compResult, Graph graph) {
+        return delegate().addMethod(method, compResult, graph);
+    }
+
+    public void lower(Node n, LoweringTool tool) {
+        delegate().lower(n, tool);
+    }
+
+    public ValueNode reconstructArrayIndex(LocationNode location) {
+        return delegate().reconstructArrayIndex(location);
+    }
+}