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jeremybenn |
/***
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* ASM: a very small and fast Java bytecode manipulation framework
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* Copyright (c) 2000-2005 INRIA, France Telecom
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.objectweb.asm.optimizer;
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import org.objectweb.asm.AnnotationVisitor;
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import org.objectweb.asm.Label;
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import org.objectweb.asm.MethodAdapter;
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import org.objectweb.asm.MethodVisitor;
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/**
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* A {@link MethodAdapter} that renames fields and methods, and removes debug
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* info.
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*
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* @author Eric Bruneton
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*/
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public class MethodOptimizer extends MethodAdapter {
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private NameMapping mapping;
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public MethodOptimizer(final MethodVisitor mv, final NameMapping mapping) {
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super(mv);
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this.mapping = mapping;
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}
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// ------------------------------------------------------------------------
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// Overriden methods
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// ------------------------------------------------------------------------
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public AnnotationVisitor visitAnnotationDefault() {
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throw new UnsupportedOperationException();
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}
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public AnnotationVisitor visitParameterAnnotation(
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final int parameter,
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final String desc,
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final boolean visible)
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{
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throw new UnsupportedOperationException();
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}
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public void visitTypeInsn(final int opcode, final String desc) {
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mv.visitTypeInsn(opcode, desc.startsWith("[")
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? mapping.fix(desc)
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: mapping.map(desc));
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}
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public void visitFieldInsn(
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final int opcode,
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final String owner,
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final String name,
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final String desc)
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{
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mv.visitFieldInsn(opcode, mapping.map(owner), mapping.map(owner + "."
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+ name), mapping.fix(desc));
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}
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public void visitMethodInsn(
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final int opcode,
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final String owner,
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final String name,
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final String desc)
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{
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mv.visitMethodInsn(opcode, mapping.map(owner), mapping.map(owner + "."
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+ name + desc), mapping.fix(desc));
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}
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public void visitLocalVariable(
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final String name,
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final String desc,
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final String signature,
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final Label start,
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final Label end,
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final int index)
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{
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// remove debug info
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}
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public void visitLineNumber(final int line, final Label start) {
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// remove debug info
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}
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}
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