/*
 * Copyright (C) 2010-2012 The Project Lombok Authors.
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package lombok.bytecode;

import org.objectweb.asm.ClassReader;
import org.objectweb.asm.ClassVisitor;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.commons.JSRInlinerAdapter;

class AsmUtil {
	
	private AsmUtil() {
		throw new UnsupportedOperationException();
	}
	
	static byte[] fixJSRInlining(byte[] byteCode) {
		ClassReader reader = new ClassReader(byteCode);
		ClassWriter writer = new FixedClassWriter(reader, 0);
		
		ClassVisitor visitor = new ClassVisitor(Opcodes.ASM4, writer) {
			@Override public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
				return new JSRInlinerAdapter(super.visitMethod(access, name, desc, signature, exceptions), access, name, desc, signature, exceptions);
			}
		};
		
		reader.accept(visitor, 0);
		return writer.toByteArray();
	}
}