--- old/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/Context.java 2015-12-09 13:17:37.663740600 +0530 +++ new/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/Context.java 2015-12-09 13:17:37.187713400 +0530 @@ -1300,7 +1300,16 @@ * @return context */ static Context fromClass(final Class clazz) { - final ClassLoader loader = clazz.getClassLoader(); + ClassLoader loader = null; + try { + loader = clazz.getClassLoader(); + } catch (SecurityException ignored) { + // This could fail because of anonymous classes being used. + // Accessing loader of anonymous class fails (for extension + // loader class too?). In any case, for us fetching Context + // from class loader is just an optimization. We can always + // get Context from thread local storage (below). + } if (loader instanceof ScriptLoader) { return ((ScriptLoader)loader).getContext(); --- old/samples/ArrayStreamLinkerExporter.java 2015-12-09 13:17:40.267889600 +0530 +++ /dev/null 2015-12-09 13:17:40.000000000 +0530 @@ -1,121 +0,0 @@ -/* - * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * - Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * - Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * - Neither the name of Oracle nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -import java.lang.invoke.MethodHandle; -import java.lang.invoke.MethodHandles; -import java.lang.invoke.MethodType; -import java.util.ArrayList; -import java.util.List; -import java.util.stream.DoubleStream; -import java.util.stream.IntStream; -import java.util.stream.LongStream; -import java.util.stream.Stream; -import jdk.dynalink.CallSiteDescriptor; -import jdk.dynalink.CompositeOperation; -import jdk.dynalink.NamedOperation; -import jdk.dynalink.Operation; -import jdk.dynalink.StandardOperation; -import jdk.dynalink.linker.GuardingDynamicLinker; -import jdk.dynalink.linker.GuardingDynamicLinkerExporter; -import jdk.dynalink.linker.GuardedInvocation; -import jdk.dynalink.linker.TypeBasedGuardingDynamicLinker; -import jdk.dynalink.linker.LinkRequest; -import jdk.dynalink.linker.LinkerServices; -import jdk.dynalink.linker.support.Guards; -import jdk.dynalink.linker.support.Lookup; - -/** - * This is a dynalink pluggable linker (see http://openjdk.java.net/jeps/276). - * This linker adds "stream" property to Java arrays. The appropriate Stream - * type object is returned for "stream" property on Java arrays. Note that - * the dynalink beans linker just adds "length" property and Java array objects - * don't have any other property. "stream" property does not conflict with anything - * else! - */ -public final class ArrayStreamLinkerExporter extends GuardingDynamicLinkerExporter { - static { - System.out.println("pluggable dynalink array stream linker loaded"); - } - - public static Object arrayToStream(Object array) { - if (array instanceof int[]) { - return IntStream.of((int[])array); - } else if (array instanceof long[]) { - return LongStream.of((long[])array); - } else if (array instanceof double[]) { - return DoubleStream.of((double[])array); - } else if (array instanceof Object[]) { - return Stream.of((Object[])array); - } else { - throw new IllegalArgumentException(); - } - } - - private static final MethodType GUARD_TYPE = MethodType.methodType(Boolean.TYPE, Object.class); - private static final MethodHandle ARRAY_TO_STREAM = Lookup.PUBLIC.findStatic( - ArrayStreamLinkerExporter.class, "arrayToStream", - MethodType.methodType(Object.class, Object.class)); - - @Override - public List get() { - final ArrayList linkers = new ArrayList<>(); - linkers.add(new TypeBasedGuardingDynamicLinker() { - @Override - public boolean canLinkType(final Class type) { - return type == Object[].class || type == int[].class || - type == long[].class || type == double[].class; - } - - @Override - public GuardedInvocation getGuardedInvocation(LinkRequest request, - LinkerServices linkerServices) throws Exception { - final Object self = request.getReceiver(); - if (self == null || !canLinkType(self.getClass())) { - return null; - } - - CallSiteDescriptor desc = request.getCallSiteDescriptor(); - Operation op = desc.getOperation(); - Object name = NamedOperation.getName(op); - boolean getProp = CompositeOperation.contains( - NamedOperation.getBaseOperation(op), - StandardOperation.GET_PROPERTY); - if (getProp && "stream".equals(name)) { - return new GuardedInvocation(ARRAY_TO_STREAM, - Guards.isOfClass(self.getClass(), GUARD_TYPE)); - } - - return null; - } - }); - return linkers; - } -} --- /dev/null 2015-12-09 13:17:40.000000000 +0530 +++ new/samples/dynalink/ArrayStreamLinkerExporter.java 2015-12-09 13:17:39.591850900 +0530 @@ -0,0 +1,121 @@ +/* + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of Oracle nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +import java.lang.invoke.MethodHandle; +import java.lang.invoke.MethodHandles; +import java.lang.invoke.MethodType; +import java.util.ArrayList; +import java.util.List; +import java.util.stream.DoubleStream; +import java.util.stream.IntStream; +import java.util.stream.LongStream; +import java.util.stream.Stream; +import jdk.dynalink.CallSiteDescriptor; +import jdk.dynalink.CompositeOperation; +import jdk.dynalink.NamedOperation; +import jdk.dynalink.Operation; +import jdk.dynalink.StandardOperation; +import jdk.dynalink.linker.GuardingDynamicLinker; +import jdk.dynalink.linker.GuardingDynamicLinkerExporter; +import jdk.dynalink.linker.GuardedInvocation; +import jdk.dynalink.linker.TypeBasedGuardingDynamicLinker; +import jdk.dynalink.linker.LinkRequest; +import jdk.dynalink.linker.LinkerServices; +import jdk.dynalink.linker.support.Guards; +import jdk.dynalink.linker.support.Lookup; + +/** + * This is a dynalink pluggable linker (see http://openjdk.java.net/jeps/276). + * This linker adds "stream" property to Java arrays. The appropriate Stream + * type object is returned for "stream" property on Java arrays. Note that + * the dynalink beans linker just adds "length" property and Java array objects + * don't have any other property. "stream" property does not conflict with anything + * else! + */ +public final class ArrayStreamLinkerExporter extends GuardingDynamicLinkerExporter { + static { + System.out.println("pluggable dynalink array stream linker loaded"); + } + + public static Object arrayToStream(Object array) { + if (array instanceof int[]) { + return IntStream.of((int[])array); + } else if (array instanceof long[]) { + return LongStream.of((long[])array); + } else if (array instanceof double[]) { + return DoubleStream.of((double[])array); + } else if (array instanceof Object[]) { + return Stream.of((Object[])array); + } else { + throw new IllegalArgumentException(); + } + } + + private static final MethodType GUARD_TYPE = MethodType.methodType(Boolean.TYPE, Object.class); + private static final MethodHandle ARRAY_TO_STREAM = Lookup.PUBLIC.findStatic( + ArrayStreamLinkerExporter.class, "arrayToStream", + MethodType.methodType(Object.class, Object.class)); + + @Override + public List get() { + final ArrayList linkers = new ArrayList<>(); + linkers.add(new TypeBasedGuardingDynamicLinker() { + @Override + public boolean canLinkType(final Class type) { + return type == Object[].class || type == int[].class || + type == long[].class || type == double[].class; + } + + @Override + public GuardedInvocation getGuardedInvocation(LinkRequest request, + LinkerServices linkerServices) throws Exception { + final Object self = request.getReceiver(); + if (self == null || !canLinkType(self.getClass())) { + return null; + } + + CallSiteDescriptor desc = request.getCallSiteDescriptor(); + Operation op = desc.getOperation(); + Object name = NamedOperation.getName(op); + boolean getProp = CompositeOperation.contains( + NamedOperation.getBaseOperation(op), + StandardOperation.GET_PROPERTY); + if (getProp && "stream".equals(name)) { + return new GuardedInvocation(ARRAY_TO_STREAM, + Guards.isOfClass(self.getClass(), GUARD_TYPE)); + } + + return null; + } + }); + return linkers; + } +} --- old/samples/BufferIndexingLinkerExporter.java 2015-12-09 13:17:41.913983700 +0530 +++ /dev/null 2015-12-09 13:17:42.000000000 +0530 @@ -1,259 +0,0 @@ -/* - * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * - Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * - Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * - Neither the name of Oracle nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -import java.lang.invoke.MethodHandle; -import java.lang.invoke.MethodHandles; -import java.lang.invoke.MethodType; -import java.util.ArrayList; -import java.util.List; -import java.nio.Buffer; -import java.nio.ByteBuffer; -import java.nio.CharBuffer; -import java.nio.DoubleBuffer; -import java.nio.FloatBuffer; -import java.nio.IntBuffer; -import java.nio.LongBuffer; -import java.nio.ShortBuffer; -import jdk.dynalink.CallSiteDescriptor; -import jdk.dynalink.CompositeOperation; -import jdk.dynalink.NamedOperation; -import jdk.dynalink.Operation; -import jdk.dynalink.StandardOperation; -import jdk.dynalink.linker.GuardingDynamicLinker; -import jdk.dynalink.linker.GuardingDynamicLinkerExporter; -import jdk.dynalink.linker.GuardedInvocation; -import jdk.dynalink.linker.TypeBasedGuardingDynamicLinker; -import jdk.dynalink.linker.LinkRequest; -import jdk.dynalink.linker.LinkerServices; -import jdk.dynalink.linker.support.Guards; -import jdk.dynalink.linker.support.Lookup; - -/** - * This is a dynalink pluggable linker (see http://openjdk.java.net/jeps/276). - * This linker adds array-like indexing and "length" property to nio Buffer objects. - */ -public final class BufferIndexingLinkerExporter extends GuardingDynamicLinkerExporter { - static { - System.out.println("pluggable dynalink buffer indexing linker loaded"); - } - - private static final MethodHandle BUFFER_LIMIT; - private static final MethodHandle BYTEBUFFER_GET; - private static final MethodHandle BYTEBUFFER_PUT; - private static final MethodHandle CHARBUFFER_GET; - private static final MethodHandle CHARBUFFER_PUT; - private static final MethodHandle SHORTBUFFER_GET; - private static final MethodHandle SHORTBUFFER_PUT; - private static final MethodHandle INTBUFFER_GET; - private static final MethodHandle INTBUFFER_PUT; - private static final MethodHandle LONGBUFFER_GET; - private static final MethodHandle LONGBUFFER_PUT; - private static final MethodHandle FLOATBUFFER_GET; - private static final MethodHandle FLOATBUFFER_PUT; - private static final MethodHandle DOUBLEBUFFER_GET; - private static final MethodHandle DOUBLEBUFFER_PUT; - - // guards - private static final MethodHandle IS_BUFFER; - private static final MethodHandle IS_BYTEBUFFER; - private static final MethodHandle IS_CHARBUFFER; - private static final MethodHandle IS_SHORTBUFFER; - private static final MethodHandle IS_INTBUFFER; - private static final MethodHandle IS_LONGBUFFER; - private static final MethodHandle IS_FLOATBUFFER; - private static final MethodHandle IS_DOUBLEBUFFER; - - private static final MethodType GUARD_TYPE; - - static { - Lookup look = Lookup.PUBLIC; - BUFFER_LIMIT = look.findVirtual(Buffer.class, "limit", MethodType.methodType(int.class)); - BYTEBUFFER_GET = look.findVirtual(ByteBuffer.class, "get", - MethodType.methodType(byte.class, int.class)); - BYTEBUFFER_PUT = look.findVirtual(ByteBuffer.class, "put", - MethodType.methodType(ByteBuffer.class, int.class, byte.class)); - CHARBUFFER_GET = look.findVirtual(CharBuffer.class, "get", - MethodType.methodType(char.class, int.class)); - CHARBUFFER_PUT = look.findVirtual(CharBuffer.class, "put", - MethodType.methodType(CharBuffer.class, int.class, char.class)); - SHORTBUFFER_GET = look.findVirtual(ShortBuffer.class, "get", - MethodType.methodType(short.class, int.class)); - SHORTBUFFER_PUT = look.findVirtual(ShortBuffer.class, "put", - MethodType.methodType(ShortBuffer.class, int.class, short.class)); - INTBUFFER_GET = look.findVirtual(IntBuffer.class, "get", - MethodType.methodType(int.class, int.class)); - INTBUFFER_PUT = look.findVirtual(IntBuffer.class, "put", - MethodType.methodType(IntBuffer.class, int.class, int.class)); - LONGBUFFER_GET = look.findVirtual(LongBuffer.class, "get", - MethodType.methodType(long.class, int.class)); - LONGBUFFER_PUT = look.findVirtual(LongBuffer.class, "put", - MethodType.methodType(LongBuffer.class, int.class, long.class)); - FLOATBUFFER_GET = look.findVirtual(FloatBuffer.class, "get", - MethodType.methodType(float.class, int.class)); - FLOATBUFFER_PUT = look.findVirtual(FloatBuffer.class, "put", - MethodType.methodType(FloatBuffer.class, int.class, float.class)); - DOUBLEBUFFER_GET = look.findVirtual(DoubleBuffer.class, "get", - MethodType.methodType(double.class, int.class)); - DOUBLEBUFFER_PUT = look.findVirtual(DoubleBuffer.class, "put", - MethodType.methodType(DoubleBuffer.class, int.class, double.class)); - - GUARD_TYPE = MethodType.methodType(boolean.class, Object.class); - IS_BUFFER = Guards.isInstance(Buffer.class, GUARD_TYPE); - IS_BYTEBUFFER = Guards.isInstance(ByteBuffer.class, GUARD_TYPE); - IS_CHARBUFFER = Guards.isInstance(CharBuffer.class, GUARD_TYPE); - IS_SHORTBUFFER = Guards.isInstance(ShortBuffer.class, GUARD_TYPE); - IS_INTBUFFER = Guards.isInstance(IntBuffer.class, GUARD_TYPE); - IS_LONGBUFFER = Guards.isInstance(LongBuffer.class, GUARD_TYPE); - IS_FLOATBUFFER = Guards.isInstance(FloatBuffer.class, GUARD_TYPE); - IS_DOUBLEBUFFER = Guards.isInstance(DoubleBuffer.class, GUARD_TYPE); - } - - // locate the first standard operation from the call descriptor - private static StandardOperation getFirstStandardOperation(final CallSiteDescriptor desc) { - final Operation base = NamedOperation.getBaseOperation(desc.getOperation()); - if (base instanceof StandardOperation) { - return (StandardOperation)base; - } else if (base instanceof CompositeOperation) { - final CompositeOperation cop = (CompositeOperation)base; - for(int i = 0; i < cop.getOperationCount(); ++i) { - final Operation op = cop.getOperation(i); - if (op instanceof StandardOperation) { - return (StandardOperation)op; - } - } - } - return null; - } - - @Override - public List get() { - final ArrayList linkers = new ArrayList<>(); - linkers.add(new TypeBasedGuardingDynamicLinker() { - @Override - public boolean canLinkType(final Class type) { - return Buffer.class.isAssignableFrom(type); - } - - @Override - public GuardedInvocation getGuardedInvocation(LinkRequest request, - LinkerServices linkerServices) throws Exception { - final Object self = request.getReceiver(); - if (self == null || !canLinkType(self.getClass())) { - return null; - } - - CallSiteDescriptor desc = request.getCallSiteDescriptor(); - StandardOperation op = getFirstStandardOperation(desc); - if (op == null) { - return null; - } - - switch (op) { - case GET_ELEMENT: - return linkGetElement(self); - case SET_ELEMENT: - return linkSetElement(self); - case GET_PROPERTY: { - Object name = NamedOperation.getName(desc.getOperation()); - if ("length".equals(name)) { - return linkLength(); - } - } - } - - return null; - } - }); - return linkers; - } - - private static GuardedInvocation linkGetElement(Object self) { - MethodHandle method = null; - MethodHandle guard = null; - if (self instanceof ByteBuffer) { - method = BYTEBUFFER_GET; - guard = IS_BYTEBUFFER; - } else if (self instanceof CharBuffer) { - method = CHARBUFFER_GET; - guard = IS_CHARBUFFER; - } else if (self instanceof ShortBuffer) { - method = SHORTBUFFER_GET; - guard = IS_SHORTBUFFER; - } else if (self instanceof IntBuffer) { - method = INTBUFFER_GET; - guard = IS_INTBUFFER; - } else if (self instanceof LongBuffer) { - method = LONGBUFFER_GET; - guard = IS_LONGBUFFER; - } else if (self instanceof FloatBuffer) { - method = FLOATBUFFER_GET; - guard = IS_FLOATBUFFER; - } else if (self instanceof DoubleBuffer) { - method = DOUBLEBUFFER_GET; - guard = IS_DOUBLEBUFFER; - } - - return method != null? new GuardedInvocation(method, guard) : null; - } - - private static GuardedInvocation linkSetElement(Object self) { - MethodHandle method = null; - MethodHandle guard = null; - if (self instanceof ByteBuffer) { - method = BYTEBUFFER_PUT; - guard = IS_BYTEBUFFER; - } else if (self instanceof CharBuffer) { - method = CHARBUFFER_PUT; - guard = IS_CHARBUFFER; - } else if (self instanceof ShortBuffer) { - method = SHORTBUFFER_PUT; - guard = IS_SHORTBUFFER; - } else if (self instanceof IntBuffer) { - method = INTBUFFER_PUT; - guard = IS_INTBUFFER; - } else if (self instanceof LongBuffer) { - method = LONGBUFFER_PUT; - guard = IS_LONGBUFFER; - } else if (self instanceof FloatBuffer) { - method = FLOATBUFFER_PUT; - guard = IS_FLOATBUFFER; - } else if (self instanceof DoubleBuffer) { - method = DOUBLEBUFFER_PUT; - guard = IS_DOUBLEBUFFER; - } - - return method != null? new GuardedInvocation(method, guard) : null; - } - - private static GuardedInvocation linkLength() { - return new GuardedInvocation(BUFFER_LIMIT, IS_BUFFER); - } -} --- /dev/null 2015-12-09 13:17:42.000000000 +0530 +++ new/samples/dynalink/BufferIndexingLinkerExporter.java 2015-12-09 13:17:41.228944500 +0530 @@ -0,0 +1,259 @@ +/* + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of Oracle nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +import java.lang.invoke.MethodHandle; +import java.lang.invoke.MethodHandles; +import java.lang.invoke.MethodType; +import java.util.ArrayList; +import java.util.List; +import java.nio.Buffer; +import java.nio.ByteBuffer; +import java.nio.CharBuffer; +import java.nio.DoubleBuffer; +import java.nio.FloatBuffer; +import java.nio.IntBuffer; +import java.nio.LongBuffer; +import java.nio.ShortBuffer; +import jdk.dynalink.CallSiteDescriptor; +import jdk.dynalink.CompositeOperation; +import jdk.dynalink.NamedOperation; +import jdk.dynalink.Operation; +import jdk.dynalink.StandardOperation; +import jdk.dynalink.linker.GuardingDynamicLinker; +import jdk.dynalink.linker.GuardingDynamicLinkerExporter; +import jdk.dynalink.linker.GuardedInvocation; +import jdk.dynalink.linker.TypeBasedGuardingDynamicLinker; +import jdk.dynalink.linker.LinkRequest; +import jdk.dynalink.linker.LinkerServices; +import jdk.dynalink.linker.support.Guards; +import jdk.dynalink.linker.support.Lookup; + +/** + * This is a dynalink pluggable linker (see http://openjdk.java.net/jeps/276). + * This linker adds array-like indexing and "length" property to nio Buffer objects. + */ +public final class BufferIndexingLinkerExporter extends GuardingDynamicLinkerExporter { + static { + System.out.println("pluggable dynalink buffer indexing linker loaded"); + } + + private static final MethodHandle BUFFER_LIMIT; + private static final MethodHandle BYTEBUFFER_GET; + private static final MethodHandle BYTEBUFFER_PUT; + private static final MethodHandle CHARBUFFER_GET; + private static final MethodHandle CHARBUFFER_PUT; + private static final MethodHandle SHORTBUFFER_GET; + private static final MethodHandle SHORTBUFFER_PUT; + private static final MethodHandle INTBUFFER_GET; + private static final MethodHandle INTBUFFER_PUT; + private static final MethodHandle LONGBUFFER_GET; + private static final MethodHandle LONGBUFFER_PUT; + private static final MethodHandle FLOATBUFFER_GET; + private static final MethodHandle FLOATBUFFER_PUT; + private static final MethodHandle DOUBLEBUFFER_GET; + private static final MethodHandle DOUBLEBUFFER_PUT; + + // guards + private static final MethodHandle IS_BUFFER; + private static final MethodHandle IS_BYTEBUFFER; + private static final MethodHandle IS_CHARBUFFER; + private static final MethodHandle IS_SHORTBUFFER; + private static final MethodHandle IS_INTBUFFER; + private static final MethodHandle IS_LONGBUFFER; + private static final MethodHandle IS_FLOATBUFFER; + private static final MethodHandle IS_DOUBLEBUFFER; + + private static final MethodType GUARD_TYPE; + + static { + Lookup look = Lookup.PUBLIC; + BUFFER_LIMIT = look.findVirtual(Buffer.class, "limit", MethodType.methodType(int.class)); + BYTEBUFFER_GET = look.findVirtual(ByteBuffer.class, "get", + MethodType.methodType(byte.class, int.class)); + BYTEBUFFER_PUT = look.findVirtual(ByteBuffer.class, "put", + MethodType.methodType(ByteBuffer.class, int.class, byte.class)); + CHARBUFFER_GET = look.findVirtual(CharBuffer.class, "get", + MethodType.methodType(char.class, int.class)); + CHARBUFFER_PUT = look.findVirtual(CharBuffer.class, "put", + MethodType.methodType(CharBuffer.class, int.class, char.class)); + SHORTBUFFER_GET = look.findVirtual(ShortBuffer.class, "get", + MethodType.methodType(short.class, int.class)); + SHORTBUFFER_PUT = look.findVirtual(ShortBuffer.class, "put", + MethodType.methodType(ShortBuffer.class, int.class, short.class)); + INTBUFFER_GET = look.findVirtual(IntBuffer.class, "get", + MethodType.methodType(int.class, int.class)); + INTBUFFER_PUT = look.findVirtual(IntBuffer.class, "put", + MethodType.methodType(IntBuffer.class, int.class, int.class)); + LONGBUFFER_GET = look.findVirtual(LongBuffer.class, "get", + MethodType.methodType(long.class, int.class)); + LONGBUFFER_PUT = look.findVirtual(LongBuffer.class, "put", + MethodType.methodType(LongBuffer.class, int.class, long.class)); + FLOATBUFFER_GET = look.findVirtual(FloatBuffer.class, "get", + MethodType.methodType(float.class, int.class)); + FLOATBUFFER_PUT = look.findVirtual(FloatBuffer.class, "put", + MethodType.methodType(FloatBuffer.class, int.class, float.class)); + DOUBLEBUFFER_GET = look.findVirtual(DoubleBuffer.class, "get", + MethodType.methodType(double.class, int.class)); + DOUBLEBUFFER_PUT = look.findVirtual(DoubleBuffer.class, "put", + MethodType.methodType(DoubleBuffer.class, int.class, double.class)); + + GUARD_TYPE = MethodType.methodType(boolean.class, Object.class); + IS_BUFFER = Guards.isInstance(Buffer.class, GUARD_TYPE); + IS_BYTEBUFFER = Guards.isInstance(ByteBuffer.class, GUARD_TYPE); + IS_CHARBUFFER = Guards.isInstance(CharBuffer.class, GUARD_TYPE); + IS_SHORTBUFFER = Guards.isInstance(ShortBuffer.class, GUARD_TYPE); + IS_INTBUFFER = Guards.isInstance(IntBuffer.class, GUARD_TYPE); + IS_LONGBUFFER = Guards.isInstance(LongBuffer.class, GUARD_TYPE); + IS_FLOATBUFFER = Guards.isInstance(FloatBuffer.class, GUARD_TYPE); + IS_DOUBLEBUFFER = Guards.isInstance(DoubleBuffer.class, GUARD_TYPE); + } + + // locate the first standard operation from the call descriptor + private static StandardOperation getFirstStandardOperation(final CallSiteDescriptor desc) { + final Operation base = NamedOperation.getBaseOperation(desc.getOperation()); + if (base instanceof StandardOperation) { + return (StandardOperation)base; + } else if (base instanceof CompositeOperation) { + final CompositeOperation cop = (CompositeOperation)base; + for(int i = 0; i < cop.getOperationCount(); ++i) { + final Operation op = cop.getOperation(i); + if (op instanceof StandardOperation) { + return (StandardOperation)op; + } + } + } + return null; + } + + @Override + public List get() { + final ArrayList linkers = new ArrayList<>(); + linkers.add(new TypeBasedGuardingDynamicLinker() { + @Override + public boolean canLinkType(final Class type) { + return Buffer.class.isAssignableFrom(type); + } + + @Override + public GuardedInvocation getGuardedInvocation(LinkRequest request, + LinkerServices linkerServices) throws Exception { + final Object self = request.getReceiver(); + if (self == null || !canLinkType(self.getClass())) { + return null; + } + + CallSiteDescriptor desc = request.getCallSiteDescriptor(); + StandardOperation op = getFirstStandardOperation(desc); + if (op == null) { + return null; + } + + switch (op) { + case GET_ELEMENT: + return linkGetElement(self); + case SET_ELEMENT: + return linkSetElement(self); + case GET_PROPERTY: { + Object name = NamedOperation.getName(desc.getOperation()); + if ("length".equals(name)) { + return linkLength(); + } + } + } + + return null; + } + }); + return linkers; + } + + private static GuardedInvocation linkGetElement(Object self) { + MethodHandle method = null; + MethodHandle guard = null; + if (self instanceof ByteBuffer) { + method = BYTEBUFFER_GET; + guard = IS_BYTEBUFFER; + } else if (self instanceof CharBuffer) { + method = CHARBUFFER_GET; + guard = IS_CHARBUFFER; + } else if (self instanceof ShortBuffer) { + method = SHORTBUFFER_GET; + guard = IS_SHORTBUFFER; + } else if (self instanceof IntBuffer) { + method = INTBUFFER_GET; + guard = IS_INTBUFFER; + } else if (self instanceof LongBuffer) { + method = LONGBUFFER_GET; + guard = IS_LONGBUFFER; + } else if (self instanceof FloatBuffer) { + method = FLOATBUFFER_GET; + guard = IS_FLOATBUFFER; + } else if (self instanceof DoubleBuffer) { + method = DOUBLEBUFFER_GET; + guard = IS_DOUBLEBUFFER; + } + + return method != null? new GuardedInvocation(method, guard) : null; + } + + private static GuardedInvocation linkSetElement(Object self) { + MethodHandle method = null; + MethodHandle guard = null; + if (self instanceof ByteBuffer) { + method = BYTEBUFFER_PUT; + guard = IS_BYTEBUFFER; + } else if (self instanceof CharBuffer) { + method = CHARBUFFER_PUT; + guard = IS_CHARBUFFER; + } else if (self instanceof ShortBuffer) { + method = SHORTBUFFER_PUT; + guard = IS_SHORTBUFFER; + } else if (self instanceof IntBuffer) { + method = INTBUFFER_PUT; + guard = IS_INTBUFFER; + } else if (self instanceof LongBuffer) { + method = LONGBUFFER_PUT; + guard = IS_LONGBUFFER; + } else if (self instanceof FloatBuffer) { + method = FLOATBUFFER_PUT; + guard = IS_FLOATBUFFER; + } else if (self instanceof DoubleBuffer) { + method = DOUBLEBUFFER_PUT; + guard = IS_DOUBLEBUFFER; + } + + return method != null? new GuardedInvocation(method, guard) : null; + } + + private static GuardedInvocation linkLength() { + return new GuardedInvocation(BUFFER_LIMIT, IS_BUFFER); + } +} --- old/samples/DOMLinkerExporter.java 2015-12-09 13:17:43.655083300 +0530 +++ /dev/null 2015-12-09 13:17:43.000000000 +0530 @@ -1,162 +0,0 @@ -/* - * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * - Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * - Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * - Neither the name of Oracle nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -import java.lang.invoke.MethodHandle; -import java.lang.invoke.MethodHandles; -import java.lang.invoke.MethodType; -import java.util.ArrayList; -import java.util.List; -import jdk.dynalink.CallSiteDescriptor; -import jdk.dynalink.CompositeOperation; -import jdk.dynalink.NamedOperation; -import jdk.dynalink.Operation; -import jdk.dynalink.StandardOperation; -import jdk.dynalink.linker.GuardingDynamicLinker; -import jdk.dynalink.linker.GuardingDynamicLinkerExporter; -import jdk.dynalink.linker.GuardedInvocation; -import jdk.dynalink.linker.TypeBasedGuardingDynamicLinker; -import jdk.dynalink.linker.LinkRequest; -import jdk.dynalink.linker.LinkerServices; -import jdk.dynalink.linker.support.Guards; -import jdk.dynalink.linker.support.Lookup; -import org.w3c.dom.Attr; -import org.w3c.dom.Node; -import org.w3c.dom.NodeList; -import org.w3c.dom.Element; - -/** - * This is a dynalink pluggable linker (see http://openjdk.java.net/jeps/276). - * This linker handles XML DOM Element objects specially. This linker links - * special properties starting with "_" and treats those as child element names - * to access. This kind of child element access makes it easy to write XML DOM - * accessing scripts. See for example ./dom_linker_gutenberg.js. - */ -public final class DOMLinkerExporter extends GuardingDynamicLinkerExporter { - static { - System.out.println("pluggable dynalink DOM linker loaded"); - } - - // return List of child Elements of the given Element matching the given name. - private static List getChildElements(Element elem, String name) { - NodeList nodeList = elem.getChildNodes(); - List childElems = new ArrayList<>(); - int len = nodeList.getLength(); - for (int i = 0; i < len; i++) { - Node node = nodeList.item(i); - if (node.getNodeType() == Node.ELEMENT_NODE && - ((Element)node).getTagName().equals(name)) { - childElems.add((Element)node); - } - } - return childElems; - } - - // method that returns either unique child element matching given name - // or a list of child elements of that name (if there are more than one matches). - public static Object getElementsByName(Object elem, final String name) { - List elems = getChildElements((Element)elem, name); - return elems.size() == 1? elems.get(0) : elems; - } - - // method to extract text context under a given DOM Element - public static Object getElementText(Object elem) { - NodeList nodeList = ((Element)elem).getChildNodes(); - int len = nodeList.getLength(); - StringBuilder text = new StringBuilder(); - for (int i = 0; i < len; i++) { - Node node = nodeList.item(i); - if (node.getNodeType() == Node.TEXT_NODE) { - text.append(node.getNodeValue()); - } - } - return text.toString(); - } - - private static final MethodHandle ELEMENTS_BY_NAME; - private static final MethodHandle ELEMENT_TEXT; - private static final MethodHandle IS_ELEMENT; - static { - ELEMENTS_BY_NAME = Lookup.PUBLIC.findStatic(DOMLinkerExporter.class, - "getElementsByName", - MethodType.methodType(Object.class, Object.class, String.class)); - ELEMENT_TEXT = Lookup.PUBLIC.findStatic(DOMLinkerExporter.class, - "getElementText", - MethodType.methodType(Object.class, Object.class)); - IS_ELEMENT = Guards.isInstance(Element.class, MethodType.methodType(Boolean.TYPE, Object.class)); - } - - @Override - public List get() { - final ArrayList linkers = new ArrayList<>(); - linkers.add(new TypeBasedGuardingDynamicLinker() { - @Override - public boolean canLinkType(final Class type) { - return Element.class.isAssignableFrom(type); - } - - @Override - public GuardedInvocation getGuardedInvocation(LinkRequest request, - LinkerServices linkerServices) throws Exception { - final Object self = request.getReceiver(); - if (! (self instanceof Element)) { - return null; - } - - CallSiteDescriptor desc = request.getCallSiteDescriptor(); - Operation op = desc.getOperation(); - Object name = NamedOperation.getName(op); - boolean getProp = CompositeOperation.contains( - NamedOperation.getBaseOperation(op), - StandardOperation.GET_PROPERTY); - if (getProp && name instanceof String) { - String nameStr = (String)name; - - // Treat names starting with "_" as special names. - // Everything else is linked other dynalink bean linker! - // This avoids collision with Java methods of org.w3c.dom.Element class - // Assumption is that Java APIs won't start with "_" character!! - if (nameStr.equals("_")) { - // short-hand to get text content under a given DOM Element - return new GuardedInvocation(ELEMENT_TEXT, IS_ELEMENT); - } else if (nameStr.startsWith("_")) { - return new GuardedInvocation( - MethodHandles.insertArguments(ELEMENTS_BY_NAME, 1, nameStr.substring(1)), - IS_ELEMENT); - } - - } - - return null; - } - }); - return linkers; - } -} --- /dev/null 2015-12-09 13:17:43.000000000 +0530 +++ new/samples/dynalink/DOMLinkerExporter.java 2015-12-09 13:17:42.956043300 +0530 @@ -0,0 +1,162 @@ +/* + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of Oracle nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +import java.lang.invoke.MethodHandle; +import java.lang.invoke.MethodHandles; +import java.lang.invoke.MethodType; +import java.util.ArrayList; +import java.util.List; +import jdk.dynalink.CallSiteDescriptor; +import jdk.dynalink.CompositeOperation; +import jdk.dynalink.NamedOperation; +import jdk.dynalink.Operation; +import jdk.dynalink.StandardOperation; +import jdk.dynalink.linker.GuardingDynamicLinker; +import jdk.dynalink.linker.GuardingDynamicLinkerExporter; +import jdk.dynalink.linker.GuardedInvocation; +import jdk.dynalink.linker.TypeBasedGuardingDynamicLinker; +import jdk.dynalink.linker.LinkRequest; +import jdk.dynalink.linker.LinkerServices; +import jdk.dynalink.linker.support.Guards; +import jdk.dynalink.linker.support.Lookup; +import org.w3c.dom.Attr; +import org.w3c.dom.Node; +import org.w3c.dom.NodeList; +import org.w3c.dom.Element; + +/** + * This is a dynalink pluggable linker (see http://openjdk.java.net/jeps/276). + * This linker handles XML DOM Element objects specially. This linker links + * special properties starting with "_" and treats those as child element names + * to access. This kind of child element access makes it easy to write XML DOM + * accessing scripts. See for example ./dom_linker_gutenberg.js. + */ +public final class DOMLinkerExporter extends GuardingDynamicLinkerExporter { + static { + System.out.println("pluggable dynalink DOM linker loaded"); + } + + // return List of child Elements of the given Element matching the given name. + private static List getChildElements(Element elem, String name) { + NodeList nodeList = elem.getChildNodes(); + List childElems = new ArrayList<>(); + int len = nodeList.getLength(); + for (int i = 0; i < len; i++) { + Node node = nodeList.item(i); + if (node.getNodeType() == Node.ELEMENT_NODE && + ((Element)node).getTagName().equals(name)) { + childElems.add((Element)node); + } + } + return childElems; + } + + // method that returns either unique child element matching given name + // or a list of child elements of that name (if there are more than one matches). + public static Object getElementsByName(Object elem, final String name) { + List elems = getChildElements((Element)elem, name); + return elems.size() == 1? elems.get(0) : elems; + } + + // method to extract text context under a given DOM Element + public static Object getElementText(Object elem) { + NodeList nodeList = ((Element)elem).getChildNodes(); + int len = nodeList.getLength(); + StringBuilder text = new StringBuilder(); + for (int i = 0; i < len; i++) { + Node node = nodeList.item(i); + if (node.getNodeType() == Node.TEXT_NODE) { + text.append(node.getNodeValue()); + } + } + return text.toString(); + } + + private static final MethodHandle ELEMENTS_BY_NAME; + private static final MethodHandle ELEMENT_TEXT; + private static final MethodHandle IS_ELEMENT; + static { + ELEMENTS_BY_NAME = Lookup.PUBLIC.findStatic(DOMLinkerExporter.class, + "getElementsByName", + MethodType.methodType(Object.class, Object.class, String.class)); + ELEMENT_TEXT = Lookup.PUBLIC.findStatic(DOMLinkerExporter.class, + "getElementText", + MethodType.methodType(Object.class, Object.class)); + IS_ELEMENT = Guards.isInstance(Element.class, MethodType.methodType(Boolean.TYPE, Object.class)); + } + + @Override + public List get() { + final ArrayList linkers = new ArrayList<>(); + linkers.add(new TypeBasedGuardingDynamicLinker() { + @Override + public boolean canLinkType(final Class type) { + return Element.class.isAssignableFrom(type); + } + + @Override + public GuardedInvocation getGuardedInvocation(LinkRequest request, + LinkerServices linkerServices) throws Exception { + final Object self = request.getReceiver(); + if (! (self instanceof Element)) { + return null; + } + + CallSiteDescriptor desc = request.getCallSiteDescriptor(); + Operation op = desc.getOperation(); + Object name = NamedOperation.getName(op); + boolean getProp = CompositeOperation.contains( + NamedOperation.getBaseOperation(op), + StandardOperation.GET_PROPERTY); + if (getProp && name instanceof String) { + String nameStr = (String)name; + + // Treat names starting with "_" as special names. + // Everything else is linked other dynalink bean linker! + // This avoids collision with Java methods of org.w3c.dom.Element class + // Assumption is that Java APIs won't start with "_" character!! + if (nameStr.equals("_")) { + // short-hand to get text content under a given DOM Element + return new GuardedInvocation(ELEMENT_TEXT, IS_ELEMENT); + } else if (nameStr.startsWith("_")) { + return new GuardedInvocation( + MethodHandles.insertArguments(ELEMENTS_BY_NAME, 1, nameStr.substring(1)), + IS_ELEMENT); + } + + } + + return null; + } + }); + return linkers; + } +} --- old/samples/META-INF/services/jdk.dynalink.linker.GuardingDynamicLinkerExporter 2015-12-09 13:17:45.343179900 +0530 +++ /dev/null 2015-12-09 13:17:45.000000000 +0530 @@ -1,5 +0,0 @@ -DOMLinkerExporter -UnderscoreNameLinkerExporter -MissingMethodLinkerExporter -ArrayStreamLinkerExporter -BufferIndexingLinkerExporter --- /dev/null 2015-12-09 13:17:45.000000000 +0530 +++ new/samples/dynalink/META-INF/services/jdk.dynalink.linker.GuardingDynamicLinkerExporter 2015-12-09 13:17:44.642139800 +0530 @@ -0,0 +1,5 @@ +DOMLinkerExporter +UnderscoreNameLinkerExporter +MissingMethodLinkerExporter +ArrayStreamLinkerExporter +BufferIndexingLinkerExporter --- old/samples/MissingMethodExample.java 2015-12-09 13:17:46.950271800 +0530 +++ /dev/null 2015-12-09 13:17:47.000000000 +0530 @@ -1,53 +0,0 @@ -/* - * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * - Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * - Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * - Neither the name of Oracle nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -import java.util.ArrayList; - -// This is an example class that implements MissingMethodHandler -// to receive "doesNotUnderstand" calls on 'missing methods' -public class MissingMethodExample extends ArrayList - implements MissingMethodHandler { - - @Override - public Object doesNotUnderstand(String name, Object... args) { - // This simple doesNotUnderstand just prints method name and args. - // You can put useful method routing logic here. - System.out.println("you called " + name); - if (args.length != 0) { - System.out.println("arguments are: "); - for (Object arg : args) { - System.out.println(" " + arg); - } - } - return this; - } -} - --- /dev/null 2015-12-09 13:17:47.000000000 +0530 +++ new/samples/dynalink/MissingMethodExample.java 2015-12-09 13:17:46.275233200 +0530 @@ -0,0 +1,53 @@ +/* + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of Oracle nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +import java.util.ArrayList; + +// This is an example class that implements MissingMethodHandler +// to receive "doesNotUnderstand" calls on 'missing methods' +public class MissingMethodExample extends ArrayList + implements MissingMethodHandler { + + @Override + public Object doesNotUnderstand(String name, Object... args) { + // This simple doesNotUnderstand just prints method name and args. + // You can put useful method routing logic here. + System.out.println("you called " + name); + if (args.length != 0) { + System.out.println("arguments are: "); + for (Object arg : args) { + System.out.println(" " + arg); + } + } + return this; + } +} + --- old/samples/MissingMethodHandler.java 2015-12-09 13:17:48.563364100 +0530 +++ /dev/null 2015-12-09 13:17:48.000000000 +0530 @@ -1,37 +0,0 @@ -/* - * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * - Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * - Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * - Neither the name of Oracle nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -// interface to be implemented by any Java class that wants -// to trap "missing method" calls. -public interface MissingMethodHandler { - // name is "missing" method name. "args" is the array of arguments passed - public Object doesNotUnderstand(String name, Object... args); -} --- /dev/null 2015-12-09 13:17:48.000000000 +0530 +++ new/samples/dynalink/MissingMethodHandler.java 2015-12-09 13:17:47.892325700 +0530 @@ -0,0 +1,37 @@ +/* + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of Oracle nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +// interface to be implemented by any Java class that wants +// to trap "missing method" calls. +public interface MissingMethodHandler { + // name is "missing" method name. "args" is the array of arguments passed + public Object doesNotUnderstand(String name, Object... args); +} --- old/samples/MissingMethodLinkerExporter.java 2015-12-09 13:17:50.315464300 +0530 +++ /dev/null 2015-12-09 13:17:50.000000000 +0530 @@ -1,190 +0,0 @@ -/* - * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * - Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * - Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * - Neither the name of Oracle nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -import java.lang.invoke.MethodHandle; -import java.lang.invoke.MethodHandles; -import java.lang.invoke.MethodType; -import java.util.ArrayList; -import java.util.List; -import jdk.dynalink.CallSiteDescriptor; -import jdk.dynalink.CompositeOperation; -import jdk.dynalink.NamedOperation; -import jdk.dynalink.Operation; -import jdk.dynalink.StandardOperation; -import jdk.dynalink.beans.BeansLinker; -import jdk.dynalink.linker.GuardingDynamicLinker; -import jdk.dynalink.linker.GuardingDynamicLinkerExporter; -import jdk.dynalink.linker.GuardedInvocation; -import jdk.dynalink.linker.TypeBasedGuardingDynamicLinker; -import jdk.dynalink.linker.LinkRequest; -import jdk.dynalink.linker.LinkerServices; -import jdk.dynalink.linker.support.Guards; -import jdk.dynalink.linker.support.Lookup; - -/** - * This is a dynalink pluggable linker (see http://openjdk.java.net/jeps/276). - * This linker routes missing methods to Smalltalk-style doesNotUnderstand method. - * Object of any Java class that implements MissingMethodHandler is handled by this linker. - * For any method call, if a matching Java method is found, it is called. If there is no - * method by that name, then MissingMethodHandler.doesNotUnderstand is called. - */ -public final class MissingMethodLinkerExporter extends GuardingDynamicLinkerExporter { - static { - System.out.println("pluggable dynalink missing method linker loaded"); - } - - // represents a MissingMethod - just stores as name and also serves a guard type - public static class MissingMethod { - private final String name; - - public MissingMethod(String name) { - this.name = name; - } - - public String getName() { - return name; - } - } - - // MissingMethodHandler.doesNotUnderstand method - private static final MethodHandle DOES_NOT_UNDERSTAND; - - // type of MissingMethodHandler - but "this" and String args are flipped - private static final MethodType FLIPPED_DOES_NOT_UNDERSTAND_TYPE; - - // "is this a MissingMethod?" guard - private static final MethodHandle IS_MISSING_METHOD; - - // MissingMethod object->it's name filter - private static final MethodHandle MISSING_METHOD_TO_NAME; - - static { - DOES_NOT_UNDERSTAND = Lookup.PUBLIC.findVirtual( - MissingMethodHandler.class, - "doesNotUnderstand", - MethodType.methodType(Object.class, String.class, Object[].class)); - FLIPPED_DOES_NOT_UNDERSTAND_TYPE = - MethodType.methodType(Object.class, String.class, MissingMethodHandler.class, Object[].class); - IS_MISSING_METHOD = Guards.isOfClass(MissingMethod.class, - MethodType.methodType(Boolean.TYPE, Object.class)); - MISSING_METHOD_TO_NAME = Lookup.PUBLIC.findVirtual(MissingMethod.class, - "getName", MethodType.methodType(String.class)); - } - - // locate the first standard operation from the call descriptor - private static StandardOperation getFirstStandardOperation(final CallSiteDescriptor desc) { - final Operation base = NamedOperation.getBaseOperation(desc.getOperation()); - if (base instanceof StandardOperation) { - return (StandardOperation)base; - } else if (base instanceof CompositeOperation) { - final CompositeOperation cop = (CompositeOperation)base; - for(int i = 0; i < cop.getOperationCount(); ++i) { - final Operation op = cop.getOperation(i); - if (op instanceof StandardOperation) { - return (StandardOperation)op; - } - } - } - return null; - } - - @Override - public List get() { - final ArrayList linkers = new ArrayList<>(); - final BeansLinker beansLinker = new BeansLinker(); - linkers.add(new TypeBasedGuardingDynamicLinker() { - // only handles MissingMethodHandler and MissingMethod objects - @Override - public boolean canLinkType(final Class type) { - return - MissingMethodHandler.class.isAssignableFrom(type) || - type == MissingMethod.class; - } - - @Override - public GuardedInvocation getGuardedInvocation(LinkRequest request, - LinkerServices linkerServices) throws Exception { - final Object self = request.getReceiver(); - CallSiteDescriptor desc = request.getCallSiteDescriptor(); - - // any method call is done by two steps. Step (1) GET_METHOD and (2) is CALL - // For step (1), we check if GET_METHOD can succeed by Java linker, if so - // we return that method object. If not, we return a MissingMethod object. - if (self instanceof MissingMethodHandler) { - // Check if this is a named GET_METHOD first. - boolean isGetMethod = getFirstStandardOperation(desc) == StandardOperation.GET_METHOD; - Object name = NamedOperation.getName(desc.getOperation()); - if (isGetMethod && name instanceof String) { - GuardingDynamicLinker javaLinker = beansLinker.getLinkerForClass(self.getClass()); - GuardedInvocation inv; - try { - inv = javaLinker.getGuardedInvocation(request, linkerServices); - } catch (final Throwable th) { - inv = null; - } - - String nameStr = name.toString(); - if (inv == null) { - // use "this" for just guard and drop it -- return a constant Method handle - // that returns a newly created MissingMethod object - MethodHandle mh = MethodHandles.constant(Object.class, new MissingMethod(nameStr)); - inv = new GuardedInvocation( - MethodHandles.dropArguments(mh, 0, Object.class), - Guards.isOfClass(self.getClass(), MethodType.methodType(Boolean.TYPE, Object.class))); - } - - return inv; - } - } else if (self instanceof MissingMethod) { - // This is step (2). We call MissingMethodHandler.doesNotUnderstand here - // Check if this is this a CALL first. - boolean isCall = getFirstStandardOperation(desc) == StandardOperation.CALL; - if (isCall) { - MethodHandle mh = DOES_NOT_UNDERSTAND; - - // flip "this" and method name (String) - mh = MethodHandles.permuteArguments(mh, FLIPPED_DOES_NOT_UNDERSTAND_TYPE, 1, 0, 2); - - // collect rest of the arguments as vararg - mh = mh.asCollector(Object[].class, desc.getMethodType().parameterCount() - 2); - - // convert MissingMethod object to it's name - mh = MethodHandles.filterArguments(mh, 0, MISSING_METHOD_TO_NAME); - return new GuardedInvocation(mh, IS_MISSING_METHOD); - } - } - - return null; - } - }); - return linkers; - } -} --- /dev/null 2015-12-09 13:17:50.000000000 +0530 +++ new/samples/dynalink/MissingMethodLinkerExporter.java 2015-12-09 13:17:49.619424500 +0530 @@ -0,0 +1,190 @@ +/* + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of Oracle nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +import java.lang.invoke.MethodHandle; +import java.lang.invoke.MethodHandles; +import java.lang.invoke.MethodType; +import java.util.ArrayList; +import java.util.List; +import jdk.dynalink.CallSiteDescriptor; +import jdk.dynalink.CompositeOperation; +import jdk.dynalink.NamedOperation; +import jdk.dynalink.Operation; +import jdk.dynalink.StandardOperation; +import jdk.dynalink.beans.BeansLinker; +import jdk.dynalink.linker.GuardingDynamicLinker; +import jdk.dynalink.linker.GuardingDynamicLinkerExporter; +import jdk.dynalink.linker.GuardedInvocation; +import jdk.dynalink.linker.TypeBasedGuardingDynamicLinker; +import jdk.dynalink.linker.LinkRequest; +import jdk.dynalink.linker.LinkerServices; +import jdk.dynalink.linker.support.Guards; +import jdk.dynalink.linker.support.Lookup; + +/** + * This is a dynalink pluggable linker (see http://openjdk.java.net/jeps/276). + * This linker routes missing methods to Smalltalk-style doesNotUnderstand method. + * Object of any Java class that implements MissingMethodHandler is handled by this linker. + * For any method call, if a matching Java method is found, it is called. If there is no + * method by that name, then MissingMethodHandler.doesNotUnderstand is called. + */ +public final class MissingMethodLinkerExporter extends GuardingDynamicLinkerExporter { + static { + System.out.println("pluggable dynalink missing method linker loaded"); + } + + // represents a MissingMethod - just stores as name and also serves a guard type + public static class MissingMethod { + private final String name; + + public MissingMethod(String name) { + this.name = name; + } + + public String getName() { + return name; + } + } + + // MissingMethodHandler.doesNotUnderstand method + private static final MethodHandle DOES_NOT_UNDERSTAND; + + // type of MissingMethodHandler - but "this" and String args are flipped + private static final MethodType FLIPPED_DOES_NOT_UNDERSTAND_TYPE; + + // "is this a MissingMethod?" guard + private static final MethodHandle IS_MISSING_METHOD; + + // MissingMethod object->it's name filter + private static final MethodHandle MISSING_METHOD_TO_NAME; + + static { + DOES_NOT_UNDERSTAND = Lookup.PUBLIC.findVirtual( + MissingMethodHandler.class, + "doesNotUnderstand", + MethodType.methodType(Object.class, String.class, Object[].class)); + FLIPPED_DOES_NOT_UNDERSTAND_TYPE = + MethodType.methodType(Object.class, String.class, MissingMethodHandler.class, Object[].class); + IS_MISSING_METHOD = Guards.isOfClass(MissingMethod.class, + MethodType.methodType(Boolean.TYPE, Object.class)); + MISSING_METHOD_TO_NAME = Lookup.PUBLIC.findVirtual(MissingMethod.class, + "getName", MethodType.methodType(String.class)); + } + + // locate the first standard operation from the call descriptor + private static StandardOperation getFirstStandardOperation(final CallSiteDescriptor desc) { + final Operation base = NamedOperation.getBaseOperation(desc.getOperation()); + if (base instanceof StandardOperation) { + return (StandardOperation)base; + } else if (base instanceof CompositeOperation) { + final CompositeOperation cop = (CompositeOperation)base; + for(int i = 0; i < cop.getOperationCount(); ++i) { + final Operation op = cop.getOperation(i); + if (op instanceof StandardOperation) { + return (StandardOperation)op; + } + } + } + return null; + } + + @Override + public List get() { + final ArrayList linkers = new ArrayList<>(); + final BeansLinker beansLinker = new BeansLinker(); + linkers.add(new TypeBasedGuardingDynamicLinker() { + // only handles MissingMethodHandler and MissingMethod objects + @Override + public boolean canLinkType(final Class type) { + return + MissingMethodHandler.class.isAssignableFrom(type) || + type == MissingMethod.class; + } + + @Override + public GuardedInvocation getGuardedInvocation(LinkRequest request, + LinkerServices linkerServices) throws Exception { + final Object self = request.getReceiver(); + CallSiteDescriptor desc = request.getCallSiteDescriptor(); + + // any method call is done by two steps. Step (1) GET_METHOD and (2) is CALL + // For step (1), we check if GET_METHOD can succeed by Java linker, if so + // we return that method object. If not, we return a MissingMethod object. + if (self instanceof MissingMethodHandler) { + // Check if this is a named GET_METHOD first. + boolean isGetMethod = getFirstStandardOperation(desc) == StandardOperation.GET_METHOD; + Object name = NamedOperation.getName(desc.getOperation()); + if (isGetMethod && name instanceof String) { + GuardingDynamicLinker javaLinker = beansLinker.getLinkerForClass(self.getClass()); + GuardedInvocation inv; + try { + inv = javaLinker.getGuardedInvocation(request, linkerServices); + } catch (final Throwable th) { + inv = null; + } + + String nameStr = name.toString(); + if (inv == null) { + // use "this" for just guard and drop it -- return a constant Method handle + // that returns a newly created MissingMethod object + MethodHandle mh = MethodHandles.constant(Object.class, new MissingMethod(nameStr)); + inv = new GuardedInvocation( + MethodHandles.dropArguments(mh, 0, Object.class), + Guards.isOfClass(self.getClass(), MethodType.methodType(Boolean.TYPE, Object.class))); + } + + return inv; + } + } else if (self instanceof MissingMethod) { + // This is step (2). We call MissingMethodHandler.doesNotUnderstand here + // Check if this is this a CALL first. + boolean isCall = getFirstStandardOperation(desc) == StandardOperation.CALL; + if (isCall) { + MethodHandle mh = DOES_NOT_UNDERSTAND; + + // flip "this" and method name (String) + mh = MethodHandles.permuteArguments(mh, FLIPPED_DOES_NOT_UNDERSTAND_TYPE, 1, 0, 2); + + // collect rest of the arguments as vararg + mh = mh.asCollector(Object[].class, desc.getMethodType().parameterCount() - 2); + + // convert MissingMethod object to it's name + mh = MethodHandles.filterArguments(mh, 0, MISSING_METHOD_TO_NAME); + return new GuardedInvocation(mh, IS_MISSING_METHOD); + } + } + + return null; + } + }); + return linkers; + } +} --- old/samples/README_dynalink.txt 2015-12-09 13:17:52.008561100 +0530 +++ /dev/null 2015-12-09 13:17:52.000000000 +0530 @@ -1,52 +0,0 @@ -In addition to samples for Nashorn javascript engine, this directory contains -samples for Dynalink API (http://openjdk.java.net/jeps/276) as well. Dynalink -linker samples require a jar file to be built and such jars be placed in the -classpath of the jjs tool. Linker samples are named with the naming pattern -"xyz_linker.js". These scripts build dynalink linker jar from java code and exec -another jjs process with appropriate classpath set. - -Note: you need to build jdk9 forest and put "images/jdk/bin" in your PATH to use -these scripts. This is because these scripts use javac to build dynalink jar and -exec another jjs with classpath set! Alternatively, you can also manually build -dynalink linker jars and invoke sample scripts by putting linker jar in jjs tool's -classpath as well. - -Dynalink samples: - -* array_stream_linker.js - -This sample builds ArrayStreamLinkerExporter.java and uses it in a sample script -called "array_stream.js". This linker adds "stream" property to Java array -objects. The "stream" property returns appropriate Stream type for the given -Java array (IntStream, DoubleStream ...). - -* buffer_indexing_linker.js - -This sample builds BufferIndexingLinkerExporter.java and uses it in a sample script -called "buffer_index.js". This linker adds array-like indexed access, indexed assignment -and "length" property to Java NIO Buffer objects. Script can treat NIO Buffer objects -as if those are just array objects. - -* dom_linker.js - -This sample builds DOMLinkerExporter.java and uses it in a sample script -called "dom_linker_gutenberg.js". This linker handles DOM Element objects to add -properties to access child elements of a given element by child element tag name. -This simplifies script access of parsed XML DOM Documents. - -* missing_method_linker.js - -This sample builds MissingMethodLinkerExporter.java and uses it in a sample script -called "missing_method.js". This linker supports Smalltalk-style "doesNotUnderstand" -calls on Java objects. i.e., A Java class can implement MissingMethodHandler interface -with one method named "doesNotUnderstand". When script accesses a method on such -object and if that method does not exist in the Java class (or any of it's supertypes), -then "doesNotUnderstand" method is invoked. - -* underscore_linker.js - -This sample builds UnderscoreNameLinkerExporter.java and uses it in a sample script -called "underscore.js". This linker converts underscore separated names to Camel Case -names (as used in Java APIs). You can call Java APIs using Ruby-like naming convention -and this linker converts method names to CamelCase! - --- /dev/null 2015-12-09 13:17:52.000000000 +0530 +++ new/samples/dynalink/README 2015-12-09 13:17:51.278519300 +0530 @@ -0,0 +1,51 @@ +This directory contains samples for Dynalink API (http://openjdk.java.net/jeps/276). +These samples require a jar file to be built and such jars be placed in the +classpath of the jjs tool. Linker samples are named with the naming pattern +"xyz_linker.js". These scripts build dynalink linker jar from java code and exec +another jjs process with appropriate classpath set. + +Note: you need to build jdk9 forest and put "images/jdk/bin" in your PATH to use +these scripts. This is because these scripts use javac to build dynalink jar and +exec another jjs with classpath set! Alternatively, you can also manually build +dynalink linker jars and invoke sample scripts by putting linker jar in jjs tool's +classpath as well. + +Dynalink samples: + +* array_stream_linker.js + +This sample builds ArrayStreamLinkerExporter.java and uses it in a sample script +called "array_stream.js". This linker adds "stream" property to Java array +objects. The "stream" property returns appropriate Stream type for the given +Java array (IntStream, DoubleStream ...). + +* buffer_indexing_linker.js + +This sample builds BufferIndexingLinkerExporter.java and uses it in a sample script +called "buffer_index.js". This linker adds array-like indexed access, indexed assignment +and "length" property to Java NIO Buffer objects. Script can treat NIO Buffer objects +as if those are just array objects. + +* dom_linker.js + +This sample builds DOMLinkerExporter.java and uses it in a sample script +called "dom_linker_gutenberg.js". This linker handles DOM Element objects to add +properties to access child elements of a given element by child element tag name. +This simplifies script access of parsed XML DOM Documents. + +* missing_method_linker.js + +This sample builds MissingMethodLinkerExporter.java and uses it in a sample script +called "missing_method.js". This linker supports Smalltalk-style "doesNotUnderstand" +calls on Java objects. i.e., A Java class can implement MissingMethodHandler interface +with one method named "doesNotUnderstand". When script accesses a method on such +object and if that method does not exist in the Java class (or any of it's supertypes), +then "doesNotUnderstand" method is invoked. + +* underscore_linker.js + +This sample builds UnderscoreNameLinkerExporter.java and uses it in a sample script +called "underscore.js". This linker converts underscore separated names to Camel Case +names (as used in Java APIs). You can call Java APIs using Ruby-like naming convention +and this linker converts method names to CamelCase! + --- old/samples/UnderscoreNameLinkerExporter.java 2015-12-09 13:17:54.592708900 +0530 +++ /dev/null 2015-12-09 13:17:54.000000000 +0530 @@ -1,129 +0,0 @@ -/* - * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * - Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * - Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * - Neither the name of Oracle nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -import java.lang.invoke.MethodHandle; -import java.lang.invoke.MethodHandles; -import java.lang.invoke.MethodType; -import java.util.ArrayList; -import java.util.List; -import java.util.regex.Pattern; -import java.util.regex.Matcher; -import jdk.dynalink.CallSiteDescriptor; -import jdk.dynalink.CompositeOperation; -import jdk.dynalink.NamedOperation; -import jdk.dynalink.Operation; -import jdk.dynalink.CompositeOperation; -import jdk.dynalink.StandardOperation; -import jdk.dynalink.linker.GuardingDynamicLinker; -import jdk.dynalink.linker.GuardingDynamicLinkerExporter; -import jdk.dynalink.linker.GuardedInvocation; -import jdk.dynalink.linker.LinkRequest; -import jdk.dynalink.linker.LinkerServices; -import jdk.dynalink.linker.support.SimpleLinkRequest; - -/** - * This is a dynalink pluggable linker (see http://openjdk.java.net/jeps/276). - * This linker translater underscore_separated method names to CamelCase names - * used in Java APIs. - */ -public final class UnderscoreNameLinkerExporter extends GuardingDynamicLinkerExporter { - static { - System.out.println("pluggable dynalink underscore name linker loaded"); - } - - private static final Pattern UNDERSCORE_NAME = Pattern.compile("_(.)"); - - // translate underscore_separated name as a CamelCase name - private static String translateToCamelCase(String name) { - Matcher m = UNDERSCORE_NAME.matcher(name); - StringBuilder buf = new StringBuilder(); - while (m.find()) { - m.appendReplacement(buf, m.group(1).toUpperCase()); - } - m.appendTail(buf); - return buf.toString(); - } - - // locate the first standard operation from the call descriptor - private static StandardOperation getFirstStandardOperation(final CallSiteDescriptor desc) { - final Operation base = NamedOperation.getBaseOperation(desc.getOperation()); - if (base instanceof StandardOperation) { - return (StandardOperation)base; - } else if (base instanceof CompositeOperation) { - final CompositeOperation cop = (CompositeOperation)base; - for(int i = 0; i < cop.getOperationCount(); ++i) { - final Operation op = cop.getOperation(i); - if (op instanceof StandardOperation) { - return (StandardOperation)op; - } - } - } - return null; - } - - @Override - public List get() { - final ArrayList linkers = new ArrayList<>(); - linkers.add(new GuardingDynamicLinker() { - @Override - public GuardedInvocation getGuardedInvocation(LinkRequest request, - LinkerServices linkerServices) throws Exception { - final Object self = request.getReceiver(); - CallSiteDescriptor desc = request.getCallSiteDescriptor(); - Operation op = desc.getOperation(); - Object name = NamedOperation.getName(op); - // is this a named GET_METHOD? - boolean isGetMethod = getFirstStandardOperation(desc) == StandardOperation.GET_METHOD; - if (isGetMethod && name instanceof String) { - String str = (String)name; - if (str.indexOf('_') == -1) { - return null; - } - - String nameStr = translateToCamelCase(str); - // create a new call descriptor to use translated name - CallSiteDescriptor newDesc = new CallSiteDescriptor( - desc.getLookup(), - new NamedOperation(NamedOperation.getBaseOperation(op), nameStr), - desc.getMethodType()); - // create a new Link request to link the call site with translated name - LinkRequest newRequest = new SimpleLinkRequest(newDesc, - request.isCallSiteUnstable(), request.getArguments()); - // return guarded invocation linking the translated request - return linkerServices.getGuardedInvocation(newRequest); - } - - return null; - } - }); - return linkers; - } -} --- /dev/null 2015-12-09 13:17:54.000000000 +0530 +++ new/samples/dynalink/UnderscoreNameLinkerExporter.java 2015-12-09 13:17:53.908669800 +0530 @@ -0,0 +1,129 @@ +/* + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of Oracle nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +import java.lang.invoke.MethodHandle; +import java.lang.invoke.MethodHandles; +import java.lang.invoke.MethodType; +import java.util.ArrayList; +import java.util.List; +import java.util.regex.Pattern; +import java.util.regex.Matcher; +import jdk.dynalink.CallSiteDescriptor; +import jdk.dynalink.CompositeOperation; +import jdk.dynalink.NamedOperation; +import jdk.dynalink.Operation; +import jdk.dynalink.CompositeOperation; +import jdk.dynalink.StandardOperation; +import jdk.dynalink.linker.GuardingDynamicLinker; +import jdk.dynalink.linker.GuardingDynamicLinkerExporter; +import jdk.dynalink.linker.GuardedInvocation; +import jdk.dynalink.linker.LinkRequest; +import jdk.dynalink.linker.LinkerServices; +import jdk.dynalink.linker.support.SimpleLinkRequest; + +/** + * This is a dynalink pluggable linker (see http://openjdk.java.net/jeps/276). + * This linker translater underscore_separated method names to CamelCase names + * used in Java APIs. + */ +public final class UnderscoreNameLinkerExporter extends GuardingDynamicLinkerExporter { + static { + System.out.println("pluggable dynalink underscore name linker loaded"); + } + + private static final Pattern UNDERSCORE_NAME = Pattern.compile("_(.)"); + + // translate underscore_separated name as a CamelCase name + private static String translateToCamelCase(String name) { + Matcher m = UNDERSCORE_NAME.matcher(name); + StringBuilder buf = new StringBuilder(); + while (m.find()) { + m.appendReplacement(buf, m.group(1).toUpperCase()); + } + m.appendTail(buf); + return buf.toString(); + } + + // locate the first standard operation from the call descriptor + private static StandardOperation getFirstStandardOperation(final CallSiteDescriptor desc) { + final Operation base = NamedOperation.getBaseOperation(desc.getOperation()); + if (base instanceof StandardOperation) { + return (StandardOperation)base; + } else if (base instanceof CompositeOperation) { + final CompositeOperation cop = (CompositeOperation)base; + for(int i = 0; i < cop.getOperationCount(); ++i) { + final Operation op = cop.getOperation(i); + if (op instanceof StandardOperation) { + return (StandardOperation)op; + } + } + } + return null; + } + + @Override + public List get() { + final ArrayList linkers = new ArrayList<>(); + linkers.add(new GuardingDynamicLinker() { + @Override + public GuardedInvocation getGuardedInvocation(LinkRequest request, + LinkerServices linkerServices) throws Exception { + final Object self = request.getReceiver(); + CallSiteDescriptor desc = request.getCallSiteDescriptor(); + Operation op = desc.getOperation(); + Object name = NamedOperation.getName(op); + // is this a named GET_METHOD? + boolean isGetMethod = getFirstStandardOperation(desc) == StandardOperation.GET_METHOD; + if (isGetMethod && name instanceof String) { + String str = (String)name; + if (str.indexOf('_') == -1) { + return null; + } + + String nameStr = translateToCamelCase(str); + // create a new call descriptor to use translated name + CallSiteDescriptor newDesc = new CallSiteDescriptor( + desc.getLookup(), + new NamedOperation(NamedOperation.getBaseOperation(op), nameStr), + desc.getMethodType()); + // create a new Link request to link the call site with translated name + LinkRequest newRequest = new SimpleLinkRequest(newDesc, + request.isCallSiteUnstable(), request.getArguments()); + // return guarded invocation linking the translated request + return linkerServices.getGuardedInvocation(newRequest); + } + + return null; + } + }); + return linkers; + } +} --- old/samples/array_stream.js 2015-12-09 13:17:56.240803200 +0530 +++ /dev/null 2015-12-09 13:17:56.000000000 +0530 @@ -1,54 +0,0 @@ -# Usage: jjs -cp array_stream_linker.jar array_stream.js - -/* - * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * - Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * - Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * - Neither the name of Oracle nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -// This script depends on array stream dynalink linker -// to work as expected. Without that linker in jjs classpath, -// this script will fail to run. - -// Object[] and then Stream -var s = Java.to(["hello", "world"]).stream -s.map(function(s) s.toUpperCase()).forEach(print) - -// IntStream -var is = Java.to([3, 56, 4, 23], "int[]").stream -print(is.map(function(x) x*x).sum()) - -// DoubleStream -var arr = []; -for (var i = 0; i < 100; i++) - arr.push(Math.random()) - -var ds = Java.to(arr, "double[]").stream -print(ds.summaryStatistics()) - - --- /dev/null 2015-12-09 13:17:56.000000000 +0530 +++ new/samples/dynalink/array_stream.js 2015-12-09 13:17:55.525762300 +0530 @@ -0,0 +1,54 @@ +# Usage: jjs -cp array_stream_linker.jar array_stream.js + +/* + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of Oracle nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +// This script depends on array stream dynalink linker +// to work as expected. Without that linker in jjs classpath, +// this script will fail to run. + +// Object[] and then Stream +var s = Java.to(["hello", "world"]).stream +s.map(function(s) s.toUpperCase()).forEach(print) + +// IntStream +var is = Java.to([3, 56, 4, 23], "int[]").stream +print(is.map(function(x) x*x).sum()) + +// DoubleStream +var DoubleArray = Java.type("double[]") +var arr = new DoubleArray(100) +for (var i = 0; i < arr.length; i++) + arr[i] = Math.random() + +print(arr.stream.summaryStatistics()) + + --- old/samples/array_stream_linker.js 2015-12-09 13:17:58.751946800 +0530 +++ /dev/null 2015-12-09 13:17:58.000000000 +0530 @@ -1,49 +0,0 @@ -#! array stream linker example - -/* - * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * - Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * - Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * - Neither the name of Oracle nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -// This script assumes you've built jdk9 or using latest -// jdk9 image and put the 'bin' directory in the PATH - -$EXEC.throwOnError=true - -// compile ArrayStreamLinkerExporter -`javac -cp ../dist/nashorn.jar ArrayStreamLinkerExporter.java` - -// make a jar file out of pluggable linker -`jar cvf array_stream_linker.jar ArrayStreamLinkerExporter*.class META-INF/` - -// run a sample script that uses pluggable linker -// but make sure classpath points to the pluggable linker jar! - -`jjs -cp array_stream_linker.jar array_stream.js` -print($OUT) --- /dev/null 2015-12-09 13:17:59.000000000 +0530 +++ new/samples/dynalink/array_stream_linker.js 2015-12-09 13:17:58.072908000 +0530 @@ -0,0 +1,49 @@ +#! array stream linker example + +/* + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of Oracle nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +// This script assumes you've built jdk9 or using latest +// jdk9 image and put the 'bin' directory in the PATH + +$EXEC.throwOnError=true + +// compile ArrayStreamLinkerExporter +`javac -cp ../../dist/nashorn.jar ArrayStreamLinkerExporter.java` + +// make a jar file out of pluggable linker +`jar cvf array_stream_linker.jar ArrayStreamLinkerExporter*.class META-INF/` + +// run a sample script that uses pluggable linker +// but make sure classpath points to the pluggable linker jar! + +`jjs -cp array_stream_linker.jar array_stream.js` +print($OUT) --- old/samples/buffer_index.js 2015-12-09 13:18:01.248089600 +0530 +++ /dev/null 2015-12-09 13:18:01.000000000 +0530 @@ -1,65 +0,0 @@ -# Usage: jjs -cp buffer_indexing_linker.jar buffer_index.js - -/* - * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * - Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * - Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * - Neither the name of Oracle nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -// This script depends on buffer indexing dynalink linker. Without that -// linker in classpath, this script will fail to run properly. - -function str(buf) { - var s = '' - for (var i = 0; i < buf.length; i++) - s += buf[i] + "," - return s -} - -var ByteBuffer = Java.type("java.nio.ByteBuffer") -var bb = ByteBuffer.allocate(10) -for (var i = 0; i < bb.length; i++) - bb[i] = i*i -print(str(bb)) - -var CharBuffer = Java.type("java.nio.CharBuffer") -var cb = CharBuffer.wrap("hello world") -print(str(cb)) - -var RandomAccessFile = Java.type("java.io.RandomAccessFile") -var raf = new RandomAccessFile("buffer_index.js", "r") -var chan = raf.getChannel() -var fileSize = chan.size() -var buf = ByteBuffer.allocate(fileSize) -chan.read(buf) -chan.close() - -var str = '' -for (var i = 0; i < buf.length; i++) - str += String.fromCharCode(buf[i]) -print(str) --- /dev/null 2015-12-09 13:18:01.000000000 +0530 +++ new/samples/dynalink/buffer_index.js 2015-12-09 13:18:00.568050700 +0530 @@ -0,0 +1,65 @@ +# Usage: jjs -cp buffer_indexing_linker.jar buffer_index.js + +/* + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of Oracle nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +// This script depends on buffer indexing dynalink linker. Without that +// linker in classpath, this script will fail to run properly. + +function str(buf) { + var s = '' + for (var i = 0; i < buf.length; i++) + s += buf[i] + "," + return s +} + +var ByteBuffer = Java.type("java.nio.ByteBuffer") +var bb = ByteBuffer.allocate(10) +for (var i = 0; i < bb.length; i++) + bb[i] = i*i +print(str(bb)) + +var CharBuffer = Java.type("java.nio.CharBuffer") +var cb = CharBuffer.wrap("hello world") +print(str(cb)) + +var RandomAccessFile = Java.type("java.io.RandomAccessFile") +var raf = new RandomAccessFile("buffer_index.js", "r") +var chan = raf.getChannel() +var fileSize = chan.size() +var buf = ByteBuffer.allocate(fileSize) +chan.read(buf) +chan.close() + +var str = '' +for (var i = 0; i < buf.length; i++) + str += String.fromCharCode(buf[i]) +print(str) --- old/samples/buffer_indexing_linker.js 2015-12-09 13:18:03.194200900 +0530 +++ /dev/null 2015-12-09 13:18:03.000000000 +0530 @@ -1,49 +0,0 @@ -# buffer indexing linker example - -/* - * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * - Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * - Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * - Neither the name of Oracle nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -// This script assumes you've built jdk9 or using latest -// jdk9 image and put the 'bin' directory in the PATH - -$EXEC.throwOnError=true - -// compile BufferIndexingLinkerExporter -`javac -cp ../dist/nashorn.jar BufferIndexingLinkerExporter.java` - -// make a jar file out of pluggable linker -`jar cvf buffer_indexing_linker.jar BufferIndexingLinkerExporter*.class META-INF/` - -// run a sample script that uses pluggable linker -// but make sure classpath points to the pluggable linker jar! - -`jjs -cp buffer_indexing_linker.jar buffer_index.js` -print($OUT) --- /dev/null 2015-12-09 13:18:03.000000000 +0530 +++ new/samples/dynalink/buffer_indexing_linker.js 2015-12-09 13:18:02.452158400 +0530 @@ -0,0 +1,49 @@ +# buffer indexing linker example + +/* + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of Oracle nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +// This script assumes you've built jdk9 or using latest +// jdk9 image and put the 'bin' directory in the PATH + +$EXEC.throwOnError=true + +// compile BufferIndexingLinkerExporter +`javac -cp ../../dist/nashorn.jar BufferIndexingLinkerExporter.java` + +// make a jar file out of pluggable linker +`jar cvf buffer_indexing_linker.jar BufferIndexingLinkerExporter*.class META-INF/` + +// run a sample script that uses pluggable linker +// but make sure classpath points to the pluggable linker jar! + +`jjs -cp buffer_indexing_linker.jar buffer_index.js` +print($OUT) --- old/samples/dom_linker.js 2015-12-09 13:18:06.320379700 +0530 +++ /dev/null 2015-12-09 13:18:06.000000000 +0530 @@ -1,48 +0,0 @@ -#! simple dom linker example - -/* - * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * - Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * - Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * - Neither the name of Oracle nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -// This script assumes you've built jdk9 or using latest -// jdk9 image and put the 'bin' directory in the PATH - -$EXEC.throwOnError=true - -// compile DOMLinkerExporter -`javac -cp ../dist/nashorn.jar DOMLinkerExporter.java` - -// make a jar file out of pluggable linker -`jar cvf dom_linker.jar DOMLinkerExporter*.class META-INF/` - -// run a sample script that uses pluggable linker -// but make sure classpath points to the pluggable linker jar! - -`jjs -cp dom_linker.jar dom_linker_gutenberg.js` --- /dev/null 2015-12-09 13:18:06.000000000 +0530 +++ new/samples/dynalink/dom_linker.js 2015-12-09 13:18:05.467330900 +0530 @@ -0,0 +1,48 @@ +#! simple dom linker example + +/* + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of Oracle nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +// This script assumes you've built jdk9 or using latest +// jdk9 image and put the 'bin' directory in the PATH + +$EXEC.throwOnError=true + +// compile DOMLinkerExporter +`javac -cp ../../dist/nashorn.jar DOMLinkerExporter.java` + +// make a jar file out of pluggable linker +`jar cvf dom_linker.jar DOMLinkerExporter*.class META-INF/` + +// run a sample script that uses pluggable linker +// but make sure classpath points to the pluggable linker jar! + +`jjs -cp dom_linker.jar dom_linker_gutenberg.js` --- old/samples/dom_linker_gutenberg.js 2015-12-09 13:18:09.110539300 +0530 +++ /dev/null 2015-12-09 13:18:09.000000000 +0530 @@ -1,117 +0,0 @@ -#// Usage: jjs -cp dom_linker.jar -scripting dom_linker_gutenberg.js - -/* - * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * - Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * - Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * - Neither the name of Oracle nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -// This script depends on DOM Element dynalink linker! -// Without that linker, this script will fail to run! - -// Simple example that demonstrates reading XML Rss feed -// to generate a HTML file from script and show it by browser. -// Uses XML DOM parser along with DOM element pluggable dynalink linker -// for ease of navigation of DOM (child) elements by name. - -// Java classes used -var DocBuilderFac = Java.type("javax.xml.parsers.DocumentBuilderFactory"); -var Node = Java.type("org.w3c.dom.Node"); -var File = Java.type("java.io.File"); -var FileWriter = Java.type("java.io.FileWriter"); -var PrintWriter = Java.type("java.io.PrintWriter"); - -// parse XML from uri and return Document -function parseXML(uri) { - var docBuilder = DocBuilderFac.newInstance().newDocumentBuilder(); - return docBuilder["parse(java.lang.String)"](uri); -} - -// generate HTML using here-doc and string interpolation -function getBooksHtml() { - var doc = parseXML("http://www.gutenberg.org/cache/epub/feeds/today.rss"); - // wrap document root Element as script convenient object - var rss = doc.documentElement; - - var str = < -${rss._channel._title._} - -

${rss._channel._description._}

-

-Published on ${rss._channel._pubDate._} -

- -HEAD - - var items = rss._channel._item; - for each (var i in items) { - str += < -
${i._title._}
-
${i._description._}
- - -LIST - } - str += < - - -END - return str; -} - -// write the string to the given file -function writeTo(file, str) { - var w = new PrintWriter(new FileWriter(file)); - try { - w.print(str); - } finally { - w.close(); - } -} - -// generate books HTML -var str = getBooksHtml(); - -// write to file. __DIR__ is directory where -// this script is stored. -var file = new File(__DIR__ + "books.html"); -writeTo(file, str); - -// show it by desktop browser -try { - var Desktop = Java.type("java.awt.Desktop"); - Desktop.desktop.browse(file.toURI()); -} catch (e) { - print(e); -} --- /dev/null 2015-12-09 13:18:09.000000000 +0530 +++ new/samples/dynalink/dom_linker_gutenberg.js 2015-12-09 13:18:08.389498000 +0530 @@ -0,0 +1,117 @@ +#// Usage: jjs -cp dom_linker.jar -scripting dom_linker_gutenberg.js + +/* + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of Oracle nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +// This script depends on DOM Element dynalink linker! +// Without that linker, this script will fail to run! + +// Simple example that demonstrates reading XML Rss feed +// to generate a HTML file from script and show it by browser. +// Uses XML DOM parser along with DOM element pluggable dynalink linker +// for ease of navigation of DOM (child) elements by name. + +// Java classes used +var DocBuilderFac = Java.type("javax.xml.parsers.DocumentBuilderFactory"); +var Node = Java.type("org.w3c.dom.Node"); +var File = Java.type("java.io.File"); +var FileWriter = Java.type("java.io.FileWriter"); +var PrintWriter = Java.type("java.io.PrintWriter"); + +// parse XML from uri and return Document +function parseXML(uri) { + var docBuilder = DocBuilderFac.newInstance().newDocumentBuilder(); + return docBuilder["parse(java.lang.String)"](uri); +} + +// generate HTML using here-doc and string interpolation +function getBooksHtml() { + var doc = parseXML("http://www.gutenberg.org/cache/epub/feeds/today.rss"); + // wrap document root Element as script convenient object + var rss = doc.documentElement; + + var str = < +${rss._channel._title._} + +

${rss._channel._description._}

+

+Published on ${rss._channel._pubDate._} +

+ +HEAD + + var items = rss._channel._item; + for each (var i in items) { + str += < +
${i._title._}
+
${i._description._}
+ + +LIST + } + str += < + + +END + return str; +} + +// write the string to the given file +function writeTo(file, str) { + var w = new PrintWriter(new FileWriter(file)); + try { + w.print(str); + } finally { + w.close(); + } +} + +// generate books HTML +var str = getBooksHtml(); + +// write to file. __DIR__ is directory where +// this script is stored. +var file = new File(__DIR__ + "books.html"); +writeTo(file, str); + +// show it by desktop browser +try { + var Desktop = Java.type("java.awt.Desktop"); + Desktop.desktop.browse(file.toURI()); +} catch (e) { + print(e); +} --- old/samples/missing_method.js 2015-12-09 13:18:10.736632300 +0530 +++ /dev/null 2015-12-09 13:18:10.000000000 +0530 @@ -1,51 +0,0 @@ -# Usage: jjs -cp missing_method_linker.js missing_method.js -/* - * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * - Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * - Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * - Neither the name of Oracle nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -// MissingMethodExample class extends ArrayList and -// implements MissingMethodHandler interface -var MME = Java.type("MissingMethodExample") - -var obj = new MME() - -// can call any ArrayList method -obj.add("hello") -obj.add("world") -print(obj.size()) -print(obj) - -// "foo", "bar" are 'missing' methods -// these will result in doesNotUnderstand calls -obj.foo(1, "www", true) -obj.bar("http", "dynalink") - -// another valid ArrayList method call -obj.forEach(print) --- /dev/null 2015-12-09 13:18:11.000000000 +0530 +++ new/samples/dynalink/missing_method.js 2015-12-09 13:18:10.062593700 +0530 @@ -0,0 +1,51 @@ +# Usage: jjs -cp missing_method_linker.js missing_method.js +/* + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of Oracle nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +// MissingMethodExample class extends ArrayList and +// implements MissingMethodHandler interface +var MME = Java.type("MissingMethodExample") + +var obj = new MME() + +// can call any ArrayList method +obj.add("hello") +obj.add("world") +print(obj.size()) +print(obj) + +// "foo", "bar" are 'missing' methods +// these will result in doesNotUnderstand calls +obj.foo(1, "www", true) +obj.bar("http", "dynalink") + +// another valid ArrayList method call +obj.forEach(print) --- old/samples/missing_method_linker.js 2015-12-09 13:18:12.458730800 +0530 +++ /dev/null 2015-12-09 13:18:12.000000000 +0530 @@ -1,49 +0,0 @@ -#! missing method linker example - -/* - * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * - Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * - Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * - Neither the name of Oracle nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -// This script assumes you've built jdk9 or using latest -// jdk9 image and put the 'bin' directory in the PATH - -$EXEC.throwOnError=true - -// compile MissingMethodLinkerExporter -`javac -cp ../dist/nashorn.jar MissingMethodLinkerExporter.java MissingMethodHandler.java MissingMethodExample.java` - -// make a jar file out of pluggable linker -`jar cvf missing_method_linker.jar MissingMethod*.class META-INF/` - -// run a sample script that uses pluggable linker -// but make sure classpath points to the pluggable linker jar! - -`jjs -cp missing_method_linker.jar missing_method.js` -print($OUT) --- /dev/null 2015-12-09 13:18:12.000000000 +0530 +++ new/samples/dynalink/missing_method_linker.js 2015-12-09 13:18:11.750690300 +0530 @@ -0,0 +1,49 @@ +#! missing method linker example + +/* + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of Oracle nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +// This script assumes you've built jdk9 or using latest +// jdk9 image and put the 'bin' directory in the PATH + +$EXEC.throwOnError=true + +// compile MissingMethodLinkerExporter +`javac -cp ../../dist/nashorn.jar MissingMethodLinkerExporter.java MissingMethodHandler.java MissingMethodExample.java` + +// make a jar file out of pluggable linker +`jar cvf missing_method_linker.jar MissingMethod*.class META-INF/` + +// run a sample script that uses pluggable linker +// but make sure classpath points to the pluggable linker jar! + +`jjs -cp missing_method_linker.jar missing_method.js` +print($OUT) --- old/samples/underscore.js 2015-12-09 13:18:15.149884700 +0530 +++ /dev/null 2015-12-09 13:18:15.000000000 +0530 @@ -1,42 +0,0 @@ -#// Usage: jjs -cp underscore_linker.jar -scripting underscore.js - -/* - * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * - Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * - Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * - Neither the name of Oracle nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -// This script depends on underscore name to CamelCase name -// translator dynalink linker! Without that linker, this script -// will fail to run! - -var S = java.util.stream.Stream -S.of(45, 54654,546,435).for_each(print) -print("hello".char_at(2)) -print(4354.45.value_of()) -print(java.lang.System.get_properties()) --- /dev/null 2015-12-09 13:18:15.000000000 +0530 +++ new/samples/dynalink/underscore.js 2015-12-09 13:18:14.422843100 +0530 @@ -0,0 +1,42 @@ +#// Usage: jjs -cp underscore_linker.jar -scripting underscore.js + +/* + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of Oracle nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +// This script depends on underscore name to CamelCase name +// translator dynalink linker! Without that linker, this script +// will fail to run! + +var S = java.util.stream.Stream +S.of(45, 54654,546,435).for_each(print) +print("hello".char_at(2)) +print(4354.45.value_of()) +print(java.lang.System.get_properties()) --- old/samples/underscore_linker.js 2015-12-09 13:18:16.812979800 +0530 +++ /dev/null 2015-12-09 13:18:17.000000000 +0530 @@ -1,50 +0,0 @@ -# underscore name translator dynalink linker example - -/* - * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * - Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * - Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * - Neither the name of Oracle nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -// This script assumes you've built jdk9 or using latest -// jdk9 image and put the 'bin' directory in the PATH - -$EXEC.throwOnError=true - -// compile UnderscoreNameLinkerExporter -`javac -cp ../dist/nashorn.jar UnderscoreNameLinkerExporter.java` - -// make a jar file out of pluggable linker -`jar cvf underscore_linker.jar UnderscoreNameLinkerExporter*.class META-INF/` - -// run a sample script that uses pluggable linker -// but make sure classpath points to the pluggable linker jar! - -`jjs -cp underscore_linker.jar underscore.js` -print($OUT) - --- /dev/null 2015-12-09 13:18:17.000000000 +0530 +++ new/samples/dynalink/underscore_linker.js 2015-12-09 13:18:16.130940800 +0530 @@ -0,0 +1,50 @@ +# underscore name translator dynalink linker example + +/* + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of Oracle nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +// This script assumes you've built jdk9 or using latest +// jdk9 image and put the 'bin' directory in the PATH + +$EXEC.throwOnError=true + +// compile UnderscoreNameLinkerExporter +`javac -cp ../../dist/nashorn.jar UnderscoreNameLinkerExporter.java` + +// make a jar file out of pluggable linker +`jar cvf underscore_linker.jar UnderscoreNameLinkerExporter*.class META-INF/` + +// run a sample script that uses pluggable linker +// but make sure classpath points to the pluggable linker jar! + +`jjs -cp underscore_linker.jar underscore.js` +print($OUT) +