/***
* ASM tests
* Copyright (c) 2002-2005 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.ow2.asm.test.cases;
import java.io.IOException;
import org.ow2.asm.ClassWriter;
import org.ow2.asm.Handle;
import org.ow2.asm.MethodVisitor;
import org.ow2.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",
"bsm",
"(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("bar", "()V", h, Type.getType("()V"), h);
mv.visitInsn(RETURN);
mv.visitEnd();
cw.visitEnd();
return cw.toByteArray();
}
}