changeset 23767:7c0614b75e23

8038638: Persistent store for compiled scripts Reviewed-by: lagergren, sundar
author hannesw
date Wed, 02 Apr 2014 18:26:57 +0200
parents a3ef17770bab
children 10ddc9305893 e461495852b7
files nashorn/src/jdk/nashorn/internal/codegen/CodeGenerator.java nashorn/src/jdk/nashorn/internal/codegen/Compiler.java nashorn/src/jdk/nashorn/internal/codegen/MapCreator.java nashorn/src/jdk/nashorn/internal/runtime/AccessorProperty.java nashorn/src/jdk/nashorn/internal/runtime/CodeInstaller.java nashorn/src/jdk/nashorn/internal/runtime/CodeStore.java nashorn/src/jdk/nashorn/internal/runtime/CompiledScript.java nashorn/src/jdk/nashorn/internal/runtime/Context.java nashorn/src/jdk/nashorn/internal/runtime/Property.java nashorn/src/jdk/nashorn/internal/runtime/PropertyMap.java nashorn/src/jdk/nashorn/internal/runtime/RecompilableScriptFunctionData.java nashorn/src/jdk/nashorn/internal/runtime/ScriptEnvironment.java nashorn/src/jdk/nashorn/internal/runtime/ScriptFunctionData.java nashorn/src/jdk/nashorn/internal/runtime/Source.java nashorn/src/jdk/nashorn/internal/runtime/UserAccessorProperty.java nashorn/src/jdk/nashorn/internal/runtime/resources/Options.properties
diffstat 16 files changed, 682 insertions(+), 92 deletions(-) [+]
line wrap: on
line diff
--- a/nashorn/src/jdk/nashorn/internal/codegen/CodeGenerator.java	Wed Apr 02 15:52:31 2014 +0530
+++ b/nashorn/src/jdk/nashorn/internal/codegen/CodeGenerator.java	Wed Apr 02 18:26:57 2014 +0200
@@ -3228,7 +3228,7 @@
         final String      className          = SCRIPTFUNCTION_IMPL_OBJECT;
         final int         fieldCount         = ObjectClassGenerator.getPaddedFieldCount(functionNode.countThisProperties());
         final String      allocatorClassName = Compiler.binaryName(ObjectClassGenerator.getClassName(fieldCount));
-        final PropertyMap allocatorMap       = PropertyMap.newMap(null, 0, fieldCount, 0);
+        final PropertyMap allocatorMap       = PropertyMap.newMap(null, allocatorClassName, 0, fieldCount, 0);
 
         method._new(className).dup();
         loadConstant(new RecompilableScriptFunctionData(functionNode, compiler.getCodeInstaller(), allocatorClassName, allocatorMap));
--- a/nashorn/src/jdk/nashorn/internal/codegen/Compiler.java	Wed Apr 02 15:52:31 2014 +0530
+++ b/nashorn/src/jdk/nashorn/internal/codegen/Compiler.java	Wed Apr 02 18:26:57 2014 +0200
@@ -405,32 +405,8 @@
         return newFunctionNode;
     }
 
-    private Class<?> install(final String className, final byte[] code) {
-        LOG.fine("Installing class ", className);
-
-        final Class<?> clazz = installer.install(Compiler.binaryName(className), code);
-
-        try {
-            final Object[] constants = getConstantData().toArray();
-            // Need doPrivileged because these fields are private
-            AccessController.doPrivileged(new PrivilegedExceptionAction<Void>() {
-                @Override
-                public Void run() throws Exception {
-                    //use reflection to write source and constants table to installed classes
-                    final Field sourceField    = clazz.getDeclaredField(SOURCE.symbolName());
-                    final Field constantsField = clazz.getDeclaredField(CONSTANTS.symbolName());
-                    sourceField.setAccessible(true);
-                    constantsField.setAccessible(true);
-                    sourceField.set(null, source);
-                    constantsField.set(null, constants);
-                    return null;
-                }
-            });
-        } catch (final PrivilegedActionException e) {
-            throw new RuntimeException(e);
-        }
-
-        return clazz;
+    private Class<?> install(final String className, final byte[] code, final Object[] constants) {
+        return installer.install(className, code, source, constants);
     }
 
     /**
@@ -444,10 +420,15 @@
         assert functionNode.hasState(CompilationState.EMITTED) : functionNode.getName() + " has no bytecode and cannot be installed";
 
         final Map<String, Class<?>> installedClasses = new HashMap<>();
+        final Object[] constants = getConstantData().toArray();
 
         final String   rootClassName = firstCompileUnitName();
         final byte[]   rootByteCode  = bytecode.get(rootClassName);
-        final Class<?> rootClass     = install(rootClassName, rootByteCode);
+        final Class<?> rootClass     = install(rootClassName, rootByteCode, constants);
+
+        if (!isLazy()) {
+            installer.storeCompiledScript(source, rootClassName, bytecode, constants);
+        }
 
         int length = rootByteCode.length;
 
@@ -461,7 +442,7 @@
             final byte[] code = entry.getValue();
             length += code.length;
 
-            installedClasses.put(className, install(className, code));
+            installedClasses.put(className, install(className, code, constants));
         }
 
         for (final CompileUnit unit : compileUnits) {
--- a/nashorn/src/jdk/nashorn/internal/codegen/MapCreator.java	Wed Apr 02 15:52:31 2014 +0530
+++ b/nashorn/src/jdk/nashorn/internal/codegen/MapCreator.java	Wed Apr 02 18:26:57 2014 +0200
@@ -83,7 +83,7 @@
             }
         }
 
-        return PropertyMap.newMap(properties, fieldCount, fieldMaximum, 0);
+        return PropertyMap.newMap(properties, structure.getName(), fieldCount, fieldMaximum, 0);
     }
 
     PropertyMap makeSpillMap(final boolean hasArguments) {
@@ -100,7 +100,7 @@
             }
         }
 
-        return PropertyMap.newMap(properties, 0, 0, spillIndex);
+        return PropertyMap.newMap(properties, structure.getName(), 0, 0, spillIndex);
     }
 
     /**
--- a/nashorn/src/jdk/nashorn/internal/runtime/AccessorProperty.java	Wed Apr 02 15:52:31 2014 +0530
+++ b/nashorn/src/jdk/nashorn/internal/runtime/AccessorProperty.java	Wed Apr 02 18:26:57 2014 +0200
@@ -39,6 +39,9 @@
 import static jdk.nashorn.internal.lookup.Lookup.MH;
 import static jdk.nashorn.internal.lookup.MethodHandleFactory.stripName;
 
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.Serializable;
 import java.lang.invoke.MethodHandle;
 import java.lang.invoke.MethodHandles;
 import java.lang.invoke.MethodType;
@@ -51,11 +54,12 @@
  * An AccessorProperty is the most generic property type. An AccessorProperty is
  * represented as fields in a ScriptObject class.
  */
-public final class AccessorProperty extends Property {
+public final class AccessorProperty extends Property implements Serializable {
     private static final MethodHandles.Lookup lookup = MethodHandles.lookup();
     private static final MethodHandle REPLACE_MAP = findOwnMH("replaceMap", Object.class, Object.class, PropertyMap.class, String.class, Class.class, Class.class);
 
     private static final int NOOF_TYPES = getNumberOfAccessorTypes();
+    private static final long serialVersionUID = 3371720170182154920L;
 
     /**
      * Properties in different maps for the same structure class will share their field getters and setters. This could
@@ -71,7 +75,7 @@
     };
 
     /** Property getter cache */
-    private MethodHandle[] getters = new MethodHandle[NOOF_TYPES];
+    private transient MethodHandle[] getters = new MethodHandle[NOOF_TYPES];
 
     private static final MethodType[] ACCESSOR_GETTER_TYPES = new MethodType[NOOF_TYPES];
     private static final MethodType[] ACCESSOR_SETTER_TYPES = new MethodType[NOOF_TYPES];
@@ -122,16 +126,16 @@
     }
 
     /** Seed getter for the primitive version of this field (in -Dnashorn.fields.dual=true mode) */
-    private MethodHandle primitiveGetter;
+    private transient MethodHandle primitiveGetter;
 
     /** Seed setter for the primitive version of this field (in -Dnashorn.fields.dual=true mode) */
-    private MethodHandle primitiveSetter;
+    private transient MethodHandle primitiveSetter;
 
     /** Seed getter for the Object version of this field */
-    private MethodHandle objectGetter;
+    private transient MethodHandle objectGetter;
 
     /** Seed setter for the Object version of this field */
-    private MethodHandle objectSetter;
+    private transient MethodHandle objectSetter;
 
     /**
      * Current type of this object, in object only mode, this is an Object.class. In dual-fields mode
@@ -243,6 +247,12 @@
     public AccessorProperty(final String key, final int flags, final Class<?> structure, final int slot) {
         super(key, flags, slot);
 
+        initGetterSetter(structure);
+    }
+
+    private void initGetterSetter(final Class<?> structure) {
+        final int slot = getSlot();
+        final String key = getKey();
         /*
          * primitiveGetter and primitiveSetter are only used in dual fields mode. Setting them to null also
          * works in dual field mode, it only means that the property never has a primitive
@@ -305,6 +315,12 @@
         setCurrentType(property.getCurrentType());
     }
 
+    private void readObject(final ObjectInputStream s) throws IOException, ClassNotFoundException {
+        s.defaultReadObject();
+        // Restore getters array
+        getters = new MethodHandle[NOOF_TYPES];
+    }
+
     private static MethodHandle bindTo(final MethodHandle mh, final Object receiver) {
         if (mh == null) {
             return null;
@@ -364,6 +380,16 @@
     }
 
     @Override
+    void initMethodHandles(final Class<?> structure) {
+        if (!ScriptObject.class.isAssignableFrom(structure) || !StructureLoader.isStructureClass(structure.getName())) {
+            throw new IllegalArgumentException();
+        }
+        if (!isSpill()) {
+            initGetterSetter(structure);
+        }
+    }
+
+    @Override
     public MethodHandle getGetter(final Class<?> type) {
         final int i = getAccessorTypeIndex(type);
         ensureObjectGetter();
--- a/nashorn/src/jdk/nashorn/internal/runtime/CodeInstaller.java	Wed Apr 02 15:52:31 2014 +0530
+++ b/nashorn/src/jdk/nashorn/internal/runtime/CodeInstaller.java	Wed Apr 02 18:26:57 2014 +0200
@@ -25,6 +25,7 @@
 
 package jdk.nashorn.internal.runtime;
 
+import java.util.Map;
 import jdk.nashorn.internal.codegen.ClassEmitter;
 
 /**
@@ -52,7 +53,7 @@
      * @param bytecode  bytecode
      * @return the installed class
      */
-    public Class<?> install(final String className, final byte[] bytecode);
+    public Class<?> install(final String className, final byte[] bytecode, final Source source, final Object[] constants);
 
     /**
      * Verify generated bytecode before emission. This is called back from the
@@ -74,4 +75,13 @@
      * @return unique eval id
      */
     public long getUniqueEvalId();
+
+    /**
+     * Store a compiled script for later reuse
+     * @param source the script source
+     * @param mainClassName the main class name
+     * @param classBytes map of class names to class bytes
+     * @param constants constants array
+     */
+    public void storeCompiledScript(Source source, String mainClassName, Map<String, byte[]> classBytes, Object[] constants);
 }
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/src/jdk/nashorn/internal/runtime/CodeStore.java	Wed Apr 02 18:26:57 2014 +0200
@@ -0,0 +1,179 @@
+/*
+ * Copyright (c) 2010, 2014, 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 jdk.nashorn.internal.runtime;
+
+import java.io.BufferedInputStream;
+import java.io.BufferedOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.Serializable;
+import java.security.AccessController;
+import java.security.PrivilegedActionException;
+import java.security.PrivilegedExceptionAction;
+import java.util.Base64;
+import java.util.Map;
+
+/**
+ * A code cache for persistent caching of compiled scripts.
+ */
+final class CodeStore {
+
+    private final File dir;
+    private final int minSize;
+
+    // Message digest to file name encoder
+    private final static Base64.Encoder BASE64 = Base64.getUrlEncoder().withoutPadding();
+
+    // Default minimum size for storing a compiled script class
+    private final static int DEFAULT_MIN_SIZE = 1000;
+
+    /**
+     * Constructor
+     * @param path directory to store code in
+     * @throws IOException
+     */
+    public CodeStore(final String path) throws IOException {
+        this(path, DEFAULT_MIN_SIZE);
+    }
+
+    /**
+     * Constructor
+     * @param path directory to store code in
+     * @param minSize minimum file size for caching scripts
+     * @throws IOException
+     */
+    public CodeStore(final String path, final int minSize) throws IOException {
+        this.dir = new File(path);
+        this.minSize = minSize;
+        checkDirectory(this.dir);
+    }
+
+    private static void checkDirectory(final File dir) throws IOException {
+        try {
+            AccessController.doPrivileged(new PrivilegedExceptionAction<Void>() {
+                @Override
+                public Void run() throws IOException {
+                    if (!dir.exists() && !dir.mkdirs()) {
+                        throw new IOException("Could not create directory: " + dir);
+                    } else if (!dir.isDirectory()) {
+                        throw new IOException("Not a directory: " + dir);
+                    } else if (!dir.canRead() || !dir.canWrite()) {
+                        throw new IOException("Directory not readable or writable: " + dir);
+                    }
+                    return null;
+                }
+            });
+        } catch (PrivilegedActionException e) {
+            throw (IOException) e.getException();
+        }
+    }
+
+    /**
+     * Return a compiled script from the cache, or null if it isn't found.
+     *
+     * @param source the source
+     * @return the compiled script or null
+     * @throws IOException
+     * @throws ClassNotFoundException
+     */
+    public CompiledScript getScript(final Source source) throws IOException, ClassNotFoundException {
+        if (source.getLength() < minSize) {
+            return null;
+        }
+
+        final String digest = BASE64.encodeToString(source.getDigest());
+        final File file = new File(dir, digest);
+
+        try {
+            return AccessController.doPrivileged(new PrivilegedExceptionAction<CompiledScript>() {
+                @Override
+                public CompiledScript run() throws IOException, ClassNotFoundException {
+                    if (!file.exists()) {
+                        return null;
+                    }
+                    try (ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(new FileInputStream(file)))) {
+                        CompiledScript compiledScript = (CompiledScript) in.readObject();
+                        compiledScript.setSource(source);
+                        return compiledScript;
+                    }
+                }
+            });
+        } catch (PrivilegedActionException e) {
+            final Exception ex = e.getException();
+            if (ex instanceof IOException) {
+                throw  (IOException) ex;
+            } else if (ex instanceof ClassNotFoundException) {
+                throw (ClassNotFoundException) ex;
+            }
+            throw (new RuntimeException(ex));
+        }
+    }
+
+    /**
+     * Store a compiled script in the cache.
+     *
+     * @param source the source
+     * @param mainClassName the main class name
+     * @param classBytes a map of class bytes
+     * @param constants the constants array
+     * @throws IOException
+     */
+    public void putScript(final Source source, final String mainClassName, final Map<String, byte[]> classBytes, final Object[] constants)
+            throws IOException {
+        if (source.getLength() < minSize) {
+            return;
+        }
+        for (final Object constant : constants) {
+            // Make sure all constant data is serializable
+            if (! (constant instanceof Serializable)) {
+                return;
+            }
+        }
+
+        final String digest = BASE64.encodeToString(source.getDigest());
+        final File file = new File(dir, digest);
+        final CompiledScript script = new CompiledScript(source, mainClassName, classBytes, constants);
+
+        try {
+            AccessController.doPrivileged(new PrivilegedExceptionAction<Void>() {
+                @Override
+                public Void run() throws IOException {
+                    try (ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(new FileOutputStream(file)))) {
+                        out.writeObject(script);
+                    }
+                    return null;
+                }
+            });
+        } catch (PrivilegedActionException e) {
+             throw (IOException) e.getException();
+        }
+    }
+}
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/src/jdk/nashorn/internal/runtime/CompiledScript.java	Wed Apr 02 18:26:57 2014 +0200
@@ -0,0 +1,127 @@
+/*
+ * Copyright (c) 2010, 2014, 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 jdk.nashorn.internal.runtime;
+
+import java.io.Serializable;
+import java.util.Arrays;
+import java.util.Map;
+
+/**
+ * Class representing a compiled script.
+ */
+final class CompiledScript implements Serializable {
+
+    /** Main class name. */
+    private final String mainClassName;
+
+    /** Map of class names to class bytes. */
+    private final Map<String, byte[]> classBytes;
+
+    /** Constants array. */
+    private final Object[] constants;
+
+    /** The source */
+    private transient Source source;
+
+    private static final long serialVersionUID = 2958227232195298340L;
+
+    /**
+     * Constructor.
+     *
+     * @param mainClassName main class name
+     * @param classBytes map of class names to class bytes
+     * @param constants constants array
+     */
+    CompiledScript(final Source source, final String mainClassName, final Map<String, byte[]> classBytes, final Object[] constants) {
+        this.source = source;
+        this.mainClassName = mainClassName;
+        this.classBytes = classBytes;
+        this.constants = constants;
+    }
+
+    /**
+     * Returns the main class name.
+     * @return the main class name
+     */
+    public String getMainClassName() {
+        return mainClassName;
+    }
+
+    /**
+     * Returns a map of class names to class bytes.
+     * @return map of class bytes
+     */
+    public Map<String, byte[]> getClassBytes() {
+        return classBytes;
+    }
+
+    /**
+     * Returns the constants array.
+     * @return constants array
+     */
+    public Object[] getConstants() {
+        return constants;
+    }
+
+    /**
+     * Returns the source of this cached script.
+     * @return the source
+     */
+    public Source getSource() {
+        return source;
+    }
+
+    /**
+     * Sets the source of this cached script.
+     * @param source the source
+     */
+    void setSource(final Source source) {
+        this.source = source;
+    }
+
+    @Override
+    public int hashCode() {
+        int hash = mainClassName.hashCode();
+        hash = 31 * hash + classBytes.hashCode();
+        hash = 31 * hash + Arrays.hashCode(constants);
+        return hash;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (obj == this) {
+            return true;
+        }
+        if (!(obj instanceof CompiledScript)) {
+            return false;
+        }
+
+        final CompiledScript cs = (CompiledScript) obj;
+        return mainClassName.equals(cs.mainClassName)
+                && classBytes.equals(cs.classBytes)
+                && Arrays.equals(constants, cs.constants);
+    }
+}
--- a/nashorn/src/jdk/nashorn/internal/runtime/Context.java	Wed Apr 02 15:52:31 2014 +0530
+++ b/nashorn/src/jdk/nashorn/internal/runtime/Context.java	Wed Apr 02 18:26:57 2014 +0200
@@ -25,7 +25,9 @@
 
 package jdk.nashorn.internal.runtime;
 
+import static jdk.nashorn.internal.codegen.CompilerConstants.CONSTANTS;
 import static jdk.nashorn.internal.codegen.CompilerConstants.RUN_SCRIPT;
+import static jdk.nashorn.internal.codegen.CompilerConstants.SOURCE;
 import static jdk.nashorn.internal.codegen.CompilerConstants.STRICT_MODE;
 import static jdk.nashorn.internal.lookup.Lookup.MH;
 import static jdk.nashorn.internal.runtime.ECMAErrors.typeError;
@@ -38,6 +40,7 @@
 import java.lang.invoke.MethodHandles;
 import java.lang.ref.ReferenceQueue;
 import java.lang.ref.SoftReference;
+import java.lang.reflect.Field;
 import java.lang.reflect.Modifier;
 import java.net.MalformedURLException;
 import java.net.URL;
@@ -47,7 +50,10 @@
 import java.security.CodeSource;
 import java.security.Permissions;
 import java.security.PrivilegedAction;
+import java.security.PrivilegedActionException;
+import java.security.PrivilegedExceptionAction;
 import java.security.ProtectionDomain;
+import java.util.HashMap;
 import java.util.LinkedHashMap;
 import java.util.Map;
 import java.util.concurrent.atomic.AtomicLong;
@@ -133,8 +139,32 @@
         }
 
         @Override
-        public Class<?> install(final String className, final byte[] bytecode) {
-            return loader.installClass(className, bytecode, codeSource);
+        public Class<?> install(final String className, final byte[] bytecode, final Source source, final Object[] constants) {
+            Compiler.LOG.fine("Installing class ", className);
+
+            final String   binaryName = Compiler.binaryName(className);
+            final Class<?> clazz      = loader.installClass(binaryName, bytecode, codeSource);
+
+            try {
+                // Need doPrivileged because these fields are private
+                AccessController.doPrivileged(new PrivilegedExceptionAction<Void>() {
+                    @Override
+                    public Void run() throws Exception {
+                        //use reflection to write source and constants table to installed classes
+                        final Field sourceField    = clazz.getDeclaredField(SOURCE.symbolName());
+                        final Field constantsField = clazz.getDeclaredField(CONSTANTS.symbolName());
+                        sourceField.setAccessible(true);
+                        constantsField.setAccessible(true);
+                        sourceField.set(null, source);
+                        constantsField.set(null, constants);
+                        return null;
+                    }
+                });
+            } catch (final PrivilegedActionException e) {
+                throw new RuntimeException(e);
+            }
+
+            return clazz;
         }
 
         @Override
@@ -151,6 +181,18 @@
         public long getUniqueEvalId() {
             return context.getUniqueEvalId();
         }
+
+        @Override
+        public void storeCompiledScript(final Source source, final String mainClassName,
+                                        final Map<String, byte[]> classBytes, final Object[] constants) {
+            if (context.codeStore != null) {
+                try {
+                    context.codeStore.putScript(source, mainClassName, classBytes, constants);
+                } catch (final IOException e) {
+                    throw new RuntimeException(e);
+                }
+            }
+        }
     }
 
     /** Is Context global debug mode enabled ? */
@@ -158,9 +200,12 @@
 
     private static final ThreadLocal<Global> currentGlobal = new ThreadLocal<>();
 
-    // class cache
+    // in-memory cache for loaded classes
     private ClassCache classCache;
 
+    // persistent code store
+    private CodeStore codeStore;
+
     /**
      * Get the current global scope
      * @return the current global scope
@@ -368,6 +413,19 @@
             classCache = new ClassCache(cacheSize);
         }
 
+        if (env._persistent_cache) {
+            if (env._lazy_compilation || env._specialize_calls != null) {
+                getErr().println("Can not use persistent class caching with lazy compilation or call specialization.");
+            } else {
+                try {
+                    final String cacheDir = Options.getStringProperty("nashorn.persistent.code.cache", "nashorn_code_cache");
+                    codeStore = new CodeStore(cacheDir);
+                } catch (IOException e) {
+                    throw new RuntimeException("Error initializing code cache", e);
+                }
+            }
+        }
+
         // print version info if asked.
         if (env._version) {
             getErr().println("nashorn " + Version.version());
@@ -932,17 +990,32 @@
             return script;
         }
 
-        final FunctionNode functionNode = new Parser(env, source, errMan, strict).parse();
-        if (errors.hasErrors()) {
-            return null;
+        CompiledScript compiledScript = null;
+        FunctionNode functionNode = null;
+
+        if (!env._parse_only && codeStore != null) {
+            try {
+                compiledScript = codeStore.getScript(source);
+            } catch (IOException | ClassNotFoundException e) {
+                Compiler.LOG.warning("Error loading ", source, " from cache: ", e);
+                // Fall back to normal compilation
+            }
         }
 
-        if (env._print_ast) {
-            getErr().println(new ASTWriter(functionNode));
-        }
+        if (compiledScript == null) {
+            functionNode = new Parser(env, source, errMan, strict).parse();
 
-        if (env._print_parse) {
-            getErr().println(new PrintVisitor(functionNode));
+            if (errors.hasErrors()) {
+                return null;
+            }
+
+            if (env._print_ast) {
+                getErr().println(new ASTWriter(functionNode));
+            }
+
+            if (env._print_parse) {
+                getErr().println(new PrintVisitor(functionNode));
+            }
         }
 
         if (env._parse_only) {
@@ -954,12 +1027,15 @@
         final CodeSource   cs     = new CodeSource(url, (CodeSigner[])null);
         final CodeInstaller<ScriptEnvironment> installer = new ContextCodeInstaller(this, loader, cs);
 
-        final Compiler compiler = new Compiler(installer, strict);
+        if (functionNode != null) {
+            final Compiler compiler = new Compiler(installer, strict);
+            final FunctionNode newFunctionNode = compiler.compile(functionNode);
+            script = compiler.install(newFunctionNode);
+        } else {
+            script = install(compiledScript, installer);
+        }
 
-        final FunctionNode newFunctionNode = compiler.compile(functionNode);
-        script = compiler.install(newFunctionNode);
         cacheClass(source, script);
-
         return script;
     }
 
@@ -981,6 +1057,42 @@
         return uniqueScriptId.getAndIncrement();
     }
 
+
+    /**
+     * Install a previously compiled class from the code cache.
+     *
+     * @param compiledScript cached script containing class bytes and constants
+     * @return main script class
+     */
+    private Class<?> install(final CompiledScript compiledScript, final CodeInstaller<ScriptEnvironment> installer) {
+
+        final Map<String, Class<?>> installedClasses = new HashMap<>();
+        final Source   source        = compiledScript.getSource();
+        final Object[] constants     = compiledScript.getConstants();
+        final String   rootClassName = compiledScript.getMainClassName();
+        final byte[]   rootByteCode  = compiledScript.getClassBytes().get(rootClassName);
+        final Class<?> rootClass     = installer.install(rootClassName, rootByteCode, source, constants);
+
+        installedClasses.put(rootClassName, rootClass);
+
+        for (final Map.Entry<String, byte[]> entry : compiledScript.getClassBytes().entrySet()) {
+            final String className = entry.getKey();
+            if (className.equals(rootClassName)) {
+                continue;
+            }
+            final byte[] code = entry.getValue();
+
+            installedClasses.put(className, installer.install(className, code, source, constants));
+        }
+        for (Object constant : constants) {
+            if (constant instanceof RecompilableScriptFunctionData) {
+                ((RecompilableScriptFunctionData) constant).setCodeAndSource(installedClasses, source);
+            }
+        }
+
+        return rootClass;
+    }
+
     /**
      * Cache for compiled script classes.
      */
--- a/nashorn/src/jdk/nashorn/internal/runtime/Property.java	Wed Apr 02 15:52:31 2014 +0530
+++ b/nashorn/src/jdk/nashorn/internal/runtime/Property.java	Wed Apr 02 18:26:57 2014 +0200
@@ -29,6 +29,7 @@
 import static jdk.nashorn.internal.runtime.PropertyDescriptor.ENUMERABLE;
 import static jdk.nashorn.internal.runtime.PropertyDescriptor.WRITABLE;
 
+import java.io.Serializable;
 import java.lang.invoke.MethodHandle;
 import java.util.Objects;
 import jdk.nashorn.internal.codegen.ObjectClassGenerator;
@@ -43,7 +44,7 @@
  * @see AccessorProperty
  * @see UserAccessorProperty
  */
-public abstract class Property {
+public abstract class Property implements Serializable {
     /*
      * ECMA 8.6.1 Property Attributes
      *
@@ -100,6 +101,8 @@
     /** Property field number or spill slot. */
     private final int slot;
 
+    private static final long serialVersionUID = 2099814273074501176L;
+
     /**
      * Constructor
      *
@@ -358,6 +361,13 @@
     public abstract MethodHandle getGetter(final Class<?> type);
 
     /**
+     * Hook to initialize method handles after deserialization.
+     *
+     * @param structure the structure class
+     */
+    abstract void initMethodHandles(final Class<?> structure);
+
+    /**
      * Get the key for this property. This key is an ordinary string. The "name".
      * @return key for property
      */
--- a/nashorn/src/jdk/nashorn/internal/runtime/PropertyMap.java	Wed Apr 02 15:52:31 2014 +0530
+++ b/nashorn/src/jdk/nashorn/internal/runtime/PropertyMap.java	Wed Apr 02 18:26:57 2014 +0200
@@ -29,6 +29,10 @@
 import static jdk.nashorn.internal.runtime.arrays.ArrayIndex.getArrayIndex;
 import static jdk.nashorn.internal.runtime.arrays.ArrayIndex.isValidArrayIndex;
 
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.Serializable;
 import java.lang.invoke.SwitchPoint;
 import java.lang.ref.SoftReference;
 import java.util.Arrays;
@@ -37,6 +41,7 @@
 import java.util.Iterator;
 import java.util.NoSuchElementException;
 import java.util.WeakHashMap;
+import jdk.nashorn.internal.scripts.JO;
 
 /**
  * Map of object properties. The PropertyMap is the "template" for JavaScript object
@@ -47,7 +52,7 @@
  * All property maps are immutable. If a property is added, modified or removed, the mutator
  * will return a new map.
  */
-public final class PropertyMap implements Iterable<Object> {
+public final class PropertyMap implements Iterable<Object>, Serializable {
     /** Used for non extensible PropertyMaps, negative logic as the normal case is extensible. See {@link ScriptObject#preventExtensions()} */
     public static final int NOT_EXTENSIBLE        = 0b0000_0001;
     /** Does this map contain valid array keys? */
@@ -57,7 +62,7 @@
     private int flags;
 
     /** Map of properties. */
-    private final PropertyHashMap properties;
+    private transient PropertyHashMap properties;
 
     /** Number of fields in use. */
     private int fieldCount;
@@ -68,17 +73,22 @@
     /** Length of spill in use. */
     private int spillLength;
 
+    /** Structure class name */
+    private String className;
+
     /** {@link SwitchPoint}s for gets on inherited properties. */
-    private HashMap<String, SwitchPoint> protoGetSwitches;
+    private transient HashMap<String, SwitchPoint> protoGetSwitches;
 
     /** History of maps, used to limit map duplication. */
-    private WeakHashMap<Property, SoftReference<PropertyMap>> history;
+    private transient WeakHashMap<Property, SoftReference<PropertyMap>> history;
 
     /** History of prototypes, used to limit map duplication. */
-    private WeakHashMap<PropertyMap, SoftReference<PropertyMap>> protoHistory;
+    private transient WeakHashMap<PropertyMap, SoftReference<PropertyMap>> protoHistory;
 
     /** property listeners */
-    private PropertyListeners listeners;
+    private transient PropertyListeners listeners;
+
+    private static final long serialVersionUID = -7041836752008732533L;
 
     /**
      * Constructor.
@@ -89,8 +99,10 @@
      * @param spillLength  Number of spill slots used.
      * @param containsArrayKeys True if properties contain numeric keys
      */
-    private PropertyMap(final PropertyHashMap properties, final int fieldCount, final int fieldMaximum, final int spillLength, final boolean containsArrayKeys) {
+    private PropertyMap(final PropertyHashMap properties, final String className, final int fieldCount,
+                        final int fieldMaximum, final int spillLength, final boolean containsArrayKeys) {
         this.properties   = properties;
+        this.className    = className;
         this.fieldCount   = fieldCount;
         this.fieldMaximum = fieldMaximum;
         this.spillLength  = spillLength;
@@ -145,7 +157,25 @@
         if (Context.DEBUG) {
             duplicatedCount++;
         }
-        return new PropertyMap(this.properties, 0, 0, 0, containsArrayKeys());
+        return new PropertyMap(this.properties, this.className, 0, 0, 0, containsArrayKeys());
+    }
+
+    private void writeObject(final ObjectOutputStream out) throws IOException {
+        out.defaultWriteObject();
+        out.writeObject(properties.getProperties());
+    }
+
+    private void readObject(final ObjectInputStream in) throws IOException, ClassNotFoundException {
+        in.defaultReadObject();
+
+        final Property[] props = (Property[]) in.readObject();
+        this.properties = EMPTY_HASHMAP.immutableAdd(props);
+
+        assert className != null;
+        final Class<?> structure = Context.forStructureClass(className);
+        for (Property prop : props) {
+            prop.initMethodHandles(structure);
+        }
     }
 
     /**
@@ -160,9 +190,9 @@
      * @param spillLength  Number of used spill slots.
      * @return New {@link PropertyMap}.
      */
-    public static PropertyMap newMap(final Collection<Property> properties, final int fieldCount, final int fieldMaximum,  final int spillLength) {
+    public static PropertyMap newMap(final Collection<Property> properties, final String className, final int fieldCount, final int fieldMaximum,  final int spillLength) {
         PropertyHashMap newProperties = EMPTY_HASHMAP.immutableAdd(properties);
-        return new PropertyMap(newProperties, fieldCount, fieldMaximum, spillLength, false);
+        return new PropertyMap(newProperties, className, fieldCount, fieldMaximum, spillLength, false);
     }
 
     /**
@@ -175,7 +205,7 @@
      * @return New {@link PropertyMap}.
      */
     public static PropertyMap newMap(final Collection<Property> properties) {
-        return (properties == null || properties.isEmpty())? newMap() : newMap(properties, 0, 0, 0);
+        return (properties == null || properties.isEmpty())? newMap() : newMap(properties, JO.class.getName(), 0, 0, 0);
     }
 
     /**
@@ -184,7 +214,7 @@
      * @return New empty {@link PropertyMap}.
      */
     public static PropertyMap newMap() {
-        return new PropertyMap(EMPTY_HASHMAP, 0, 0, 0, false);
+        return new PropertyMap(EMPTY_HASHMAP, JO.class.getName(), 0, 0, 0, false);
     }
 
     /**
--- a/nashorn/src/jdk/nashorn/internal/runtime/RecompilableScriptFunctionData.java	Wed Apr 02 15:52:31 2014 +0530
+++ b/nashorn/src/jdk/nashorn/internal/runtime/RecompilableScriptFunctionData.java	Wed Apr 02 18:26:57 2014 +0200
@@ -27,14 +27,15 @@
 
 import static jdk.nashorn.internal.lookup.Lookup.MH;
 
+import java.io.Serializable;
 import java.lang.invoke.MethodHandle;
 import java.lang.invoke.MethodHandles;
 import java.lang.invoke.MethodType;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.LinkedList;
+import java.util.Map;
 import jdk.internal.dynalink.support.NameCodec;
-
 import jdk.nashorn.internal.codegen.Compiler;
 import jdk.nashorn.internal.codegen.CompilerConstants;
 import jdk.nashorn.internal.codegen.FunctionSignature;
@@ -43,6 +44,7 @@
 import jdk.nashorn.internal.ir.FunctionNode.CompilationState;
 import jdk.nashorn.internal.parser.Token;
 import jdk.nashorn.internal.parser.TokenType;
+import jdk.nashorn.internal.scripts.JS;
 
 /**
  * This is a subclass that represents a script function that may be regenerated,
@@ -50,13 +52,19 @@
  * The common denominator is that it can get new invokers during its lifespan,
  * unlike {@code FinalScriptFunctionData}
  */
-public final class RecompilableScriptFunctionData extends ScriptFunctionData {
+public final class RecompilableScriptFunctionData extends ScriptFunctionData implements Serializable {
 
     /** FunctionNode with the code for this ScriptFunction */
-    private FunctionNode functionNode;
+    private transient FunctionNode functionNode;
 
     /** Source from which FunctionNode was parsed. */
-    private final Source source;
+    private transient Source source;
+
+    /** The line number where this function begins. */
+    private final int lineNumber;
+
+    /** Allows us to retrieve the method handle for this function once the code is compiled */
+    private MethodLocator methodLocator;
 
     /** Token of this function within the source. */
     private final long token;
@@ -65,13 +73,13 @@
     private final PropertyMap allocatorMap;
 
     /** Code installer used for all further recompilation/specialization of this ScriptFunction */
-    private CodeInstaller<ScriptEnvironment> installer;
+    private transient CodeInstaller<ScriptEnvironment> installer;
 
     /** Name of class where allocator function resides */
     private final String allocatorClassName;
 
     /** lazily generated allocator */
-    private MethodHandle allocator;
+    private transient MethodHandle allocator;
 
     private static final MethodHandles.Lookup LOOKUP = MethodHandles.lookup();
 
@@ -79,7 +87,7 @@
      * Used for specialization based on runtime arguments. Whenever we specialize on
      * callsite parameter types at runtime, we need to use a parameter type guard to
      * ensure that the specialized version of the script function continues to be
-     * applicable for a particular callsite *
+     * applicable for a particular callsite.
      */
     private static final MethodHandle PARAM_TYPE_GUARD = findOwnMH("paramTypeGuard", boolean.class, Type[].class,  Object[].class);
 
@@ -88,10 +96,12 @@
      * (or java.lang.Number instance) to specialize the parameter to an integer, if the
      * parameter in question can be represented as one. The double typically only exists
      * because the compiler doesn't know any better than "a number type" and conservatively
-     * picks doubles when it can't prove that an integer addition wouldn't overflow
+     * picks doubles when it can't prove that an integer addition wouldn't overflow.
      */
     private static final MethodHandle ENSURE_INT = findOwnMH("ensureInt", int.class, Object.class);
 
+    private static final long serialVersionUID = 4914839316174633726L;
+
     /**
      * Constructor - public as scripts use it
      *
@@ -104,13 +114,16 @@
         super(functionName(functionNode),
               functionNode.getParameters().size(),
               getFlags(functionNode));
-
         this.functionNode       = functionNode;
         this.source             = functionNode.getSource();
+        this.lineNumber         = functionNode.getLineNumber();
         this.token              = tokenFor(functionNode);
         this.installer          = installer;
         this.allocatorClassName = allocatorClassName;
         this.allocatorMap       = allocatorMap;
+        if (!functionNode.isLazy()) {
+            methodLocator = new MethodLocator(functionNode);
+        }
     }
 
     @Override
@@ -122,16 +135,19 @@
         return "function " + (name == null ? "" : name) + "() { [native code] }";
     }
 
+    public void setCodeAndSource(final Map<String, Class<?>> code, final Source source) {
+        this.source = source;
+        if (methodLocator != null) {
+            methodLocator.setClass(code.get(methodLocator.getClassName()));
+        }
+    }
+
     @Override
     public String toString() {
         final StringBuilder sb = new StringBuilder();
 
         if (source != null) {
-            sb.append(source.getName());
-            if (functionNode != null) {
-                sb.append(':').append(functionNode.getLineNumber());
-            }
-            sb.append(' ');
+            sb.append(source.getName()).append(':').append(lineNumber).append(' ');
         }
 
         return sb.toString() + super.toString();
@@ -204,8 +220,13 @@
             functionNode = compiler.compile(functionNode);
             assert !functionNode.isLazy();
             compiler.install(functionNode);
+            methodLocator = new MethodLocator(functionNode);
             flags = getFlags(functionNode);
         }
+
+        if (functionNode != null) {
+            methodLocator.setClass(functionNode.getCompileUnit().getCode());
+        }
     }
 
     @Override
@@ -221,12 +242,13 @@
          * eager compilation or from running a lazy compile on the lines above
          */
 
-        assert functionNode.hasState(CompilationState.EMITTED) : functionNode.getName() + " " + functionNode.getState() + " " + Debug.id(functionNode);
+        assert functionNode == null || functionNode.hasState(CompilationState.EMITTED) :
+                    functionNode.getName() + " " + functionNode.getState() + " " + Debug.id(functionNode);
 
         // code exists - look it up and add it into the automatically sorted invoker list
         addCode(functionNode);
 
-        if (! functionNode.canSpecialize()) {
+        if (functionNode != null && !functionNode.canSpecialize()) {
             // allow GC to claim IR stuff that is not needed anymore
             functionNode = null;
             installer = null;
@@ -238,13 +260,9 @@
     }
 
     private MethodHandle addCode(final FunctionNode fn, final MethodType runtimeType, final MethodHandle guard, final MethodHandle fallback) {
-        final MethodType targetType = new FunctionSignature(fn).getMethodType();
-        MethodHandle target =
-            MH.findStatic(
-                    LOOKUP,
-                    fn.getCompileUnit().getCode(),
-                    fn.getName(),
-                    targetType);
+        assert methodLocator != null;
+        MethodHandle target = methodLocator.getMethodHandle();
+        final MethodType targetType = methodLocator.getMethodType();
 
         /*
          * For any integer argument. a double that is representable as an integer is OK.
@@ -424,7 +442,6 @@
 
         Compiler.LOG.info("Callsite specialized ", name, " runtimeType=", runtimeType, " parameters=", snapshot.getParameters(), " args=", Arrays.asList(args));
 
-        assert snapshot != null;
         assert snapshot != functionNode;
 
         final Compiler compiler = new Compiler(installer);
@@ -450,5 +467,45 @@
         return MH.findStatic(MethodHandles.lookup(), RecompilableScriptFunctionData.class, name, MH.type(rtype, types));
     }
 
+    /**
+     * Helper class that allows us to retrieve the method handle for this function once it has been generated.
+     */
+    private static class MethodLocator implements Serializable {
+        private transient Class<?> clazz;
+        private final String className;
+        private final String methodName;
+        private final MethodType methodType;
+
+        private static final long serialVersionUID = -5420835725902966692L;
+
+        MethodLocator(final FunctionNode functionNode) {
+            this.className  = functionNode.getCompileUnit().getUnitClassName();
+            this.methodName = functionNode.getName();
+            this.methodType = new FunctionSignature(functionNode).getMethodType();
+
+            assert className != null;
+            assert methodName != null;
+        }
+
+        void setClass(final Class<?> clazz) {
+            if (!JS.class.isAssignableFrom(clazz)) {
+                throw new IllegalArgumentException();
+            }
+            this.clazz = clazz;
+        }
+
+        String getClassName() {
+            return className;
+        }
+
+        MethodType getMethodType() {
+            return methodType;
+        }
+
+        MethodHandle getMethodHandle() {
+            return MH.findStatic(LOOKUP, clazz, methodName, methodType);
+        }
+    }
+
 }
 
--- a/nashorn/src/jdk/nashorn/internal/runtime/ScriptEnvironment.java	Wed Apr 02 15:52:31 2014 +0530
+++ b/nashorn/src/jdk/nashorn/internal/runtime/ScriptEnvironment.java	Wed Apr 02 18:26:57 2014 +0200
@@ -134,6 +134,9 @@
     /** Only parse the source code, do not compile */
     public final boolean _parse_only;
 
+    /** Enable disk cache for compiled scripts */
+    public final boolean _persistent_cache;
+
     /** Print the AST before lowering */
     public final boolean _print_ast;
 
@@ -218,6 +221,7 @@
         _no_syntax_extensions = options.getBoolean("no.syntax.extensions");
         _no_typed_arrays      = options.getBoolean("no.typed.arrays");
         _parse_only           = options.getBoolean("parse.only");
+        _persistent_cache     = options.getBoolean("persistent.code.cache");
         _print_ast            = options.getBoolean("print.ast");
         _print_lower_ast      = options.getBoolean("print.lower.ast");
         _print_code           = options.getBoolean("print.code");
--- a/nashorn/src/jdk/nashorn/internal/runtime/ScriptFunctionData.java	Wed Apr 02 15:52:31 2014 +0530
+++ b/nashorn/src/jdk/nashorn/internal/runtime/ScriptFunctionData.java	Wed Apr 02 18:26:57 2014 +0200
@@ -29,10 +29,10 @@
 import static jdk.nashorn.internal.runtime.ECMAErrors.typeError;
 import static jdk.nashorn.internal.runtime.ScriptRuntime.UNDEFINED;
 
+import java.io.Serializable;
 import java.lang.invoke.MethodHandle;
 import java.lang.invoke.MethodHandles;
 import java.lang.invoke.MethodType;
-import jdk.nashorn.internal.objects.Global;
 import jdk.nashorn.internal.runtime.linker.JavaAdapterFactory;
 
 /**
@@ -40,7 +40,7 @@
  * Instances of this class are created during codegen and stored in script classes'
  * constants array to reduce function instantiation overhead during runtime.
  */
-public abstract class ScriptFunctionData {
+public abstract class ScriptFunctionData implements Serializable {
 
     /** Name of the function or "" for anonynous functions */
     protected final String name;
@@ -74,6 +74,8 @@
     /** Flag for strict constructors */
     public static final int IS_STRICT_CONSTRUCTOR = IS_STRICT | IS_CONSTRUCTOR;
 
+    private static final long serialVersionUID = 4252901245508769114L;
+
     /**
      * Constructor
      *
--- a/nashorn/src/jdk/nashorn/internal/runtime/Source.java	Wed Apr 02 15:52:31 2014 +0530
+++ b/nashorn/src/jdk/nashorn/internal/runtime/Source.java	Wed Apr 02 18:26:57 2014 +0200
@@ -39,6 +39,8 @@
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
 import java.util.Arrays;
 import java.util.Objects;
 import jdk.nashorn.internal.parser.Token;
@@ -71,6 +73,9 @@
     /** Cached hash code */
     private int hash;
 
+    /** Message digest */
+    private byte[] digest;
+
     /** Source URL if available */
     private final URL url;
 
@@ -417,6 +422,40 @@
     }
 
     /**
+     * Get a message digest for this source.
+     *
+     * @return a message digest for this source
+     */
+    public synchronized byte[] getDigest() {
+        if (digest == null) {
+
+            final byte[] bytes = new byte[content.length * 2];
+
+            for (int i = 0; i < content.length; i++) {
+                bytes[i * 2]     = (byte)  (content[i] & 0x00ff);
+                bytes[i * 2 + 1] = (byte) ((content[i] & 0xff00) >> 8);
+            }
+
+            try {
+                final MessageDigest md = MessageDigest.getInstance("SHA-1");
+                if (name != null) {
+                    md.update(name.getBytes(StandardCharsets.UTF_8));
+                }
+                if (base != null) {
+                    md.update(base.getBytes(StandardCharsets.UTF_8));
+                }
+                if (url != null) {
+                    md.update(url.toString().getBytes(StandardCharsets.UTF_8));
+                }
+                digest = md.digest(bytes);
+            } catch (NoSuchAlgorithmException e) {
+                throw new RuntimeException(e);
+            }
+        }
+        return digest;
+    }
+
+    /**
      * Get the base url. This is currently used for testing only
      * @param url a URL
      * @return base URL for url
--- a/nashorn/src/jdk/nashorn/internal/runtime/UserAccessorProperty.java	Wed Apr 02 15:52:31 2014 +0530
+++ b/nashorn/src/jdk/nashorn/internal/runtime/UserAccessorProperty.java	Wed Apr 02 18:26:57 2014 +0200
@@ -187,6 +187,11 @@
     }
 
     @Override
+    void initMethodHandles(final Class<?> structure) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
     public ScriptFunction getGetterFunction(final ScriptObject obj) {
         final Object value = obj.getSpill(getterSlot);
         return (value instanceof ScriptFunction) ? (ScriptFunction) value : null;
--- a/nashorn/src/jdk/nashorn/internal/runtime/resources/Options.properties	Wed Apr 02 15:52:31 2014 +0530
+++ b/nashorn/src/jdk/nashorn/internal/runtime/resources/Options.properties	Wed Apr 02 18:26:57 2014 +0200
@@ -230,6 +230,14 @@
     desc="Parse without compiling." \
 }
 
+nashorn.option.persistent.code.cache = {            \
+    name="--persistent-code-cache",                 \
+    short_name="-pcc",                              \
+    desc="Enable disk cache for compiled scripts.", \
+    is_undocumented=true,                           \
+    default=false                                   \
+}
+
 nashorn.option.profile.callsites = {   \
     name="--profile-callsites",        \
     short_name="-pcs",                 \