/*** | |
* ASM tests | |
* Copyright (c) 2000-2011 INRIA, France Telecom | |
* All rights reserved. | |
* | |
* Redistribution and use in source and binary forms, with or without | |
* modification, are permitted provided that the following conditions | |
* are met: | |
* 1. Redistributions of source code must retain the above copyright | |
* notice, this list of conditions and the following disclaimer. | |
* 2. 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. | |
* 3. Neither the name of the copyright holders 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. | |
*/ | |
package org.objectweb.asm.test.cases; | |
import java.io.IOException; | |
import org.objectweb.asm.ClassWriter; | |
import org.objectweb.asm.Handle; | |
import org.objectweb.asm.MethodVisitor; | |
import org.objectweb.asm.Type; | |
/** | |
* Generates a class using the invokedynamic instruction. Also covers method | |
* types and method handles. | |
* | |
* @author Eric Bruneton | |
*/ | |
public class InvokeDynamic extends Generator { | |
@Override | |
public void generate(final String dir) throws IOException { | |
generate(dir, "pkg/InvokeDynamic.class", dump()); | |
} | |
public byte[] dump() { | |
ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS); | |
MethodVisitor mv; | |
cw.visit(V1_7, ACC_PUBLIC, "pkg/InvokeDynamic", null, | |
"java/lang/Object", null); | |
mv = cw.visitMethod(ACC_PUBLIC, "foo", "()V", null, null); | |
mv.visitCode(); | |
Handle h = new Handle( | |
H_INVOKESTATIC, | |
"C", | |
"bsm1", | |
"(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;"); | |
mv.visitInvokeDynamicInsn("bar1", "()V", h, Type.getType("()V")); | |
h = new Handle( | |
H_INVOKESTATIC, | |
"C", | |
"bsm2", | |
"(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;)Ljava/lang/invoke/CallSite;"); | |
mv.visitInvokeDynamicInsn("bar2", "()V", h, Type.getType("()V"), h); | |
mv.visitInsn(RETURN); | |
mv.visitEnd(); | |
cw.visitEnd(); | |
return cw.toByteArray(); | |
} | |
} |