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https://github.com/2006-Scape/Parabot.git
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Updates
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Clisprail
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/***
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* ASM: a very small and fast Java bytecode manipulation framework
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* Copyright (c) 2000-2011 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.commons;
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import org.objectweb.asm.Handle;
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import org.objectweb.asm.Type;
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import org.objectweb.asm.signature.SignatureReader;
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import org.objectweb.asm.signature.SignatureVisitor;
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import org.objectweb.asm.signature.SignatureWriter;
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/**
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* A class responsible for remapping types and names. Subclasses can override
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* the following methods:
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*
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* <ul>
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* <li>{@link #map(String)} - map type</li>
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* <li>{@link #mapFieldName(String, String, String)} - map field name</li>
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* <li>{@link #mapMethodName(String, String, String)} - map method name</li>
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* </ul>
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*
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* @author Eugene Kuleshov
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*/
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public abstract class Remapper {
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public String mapDesc(String desc) {
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Type t = Type.getType(desc);
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switch (t.getSort()) {
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case Type.ARRAY:
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String s = mapDesc(t.getElementType().getDescriptor());
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for (int i = 0; i < t.getDimensions(); ++i) {
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s = '[' + s;
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}
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return s;
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case Type.OBJECT:
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String newType = map(t.getInternalName());
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if (newType != null) {
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return 'L' + newType + ';';
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}
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}
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return desc;
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}
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private Type mapType(Type t) {
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switch (t.getSort()) {
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case Type.ARRAY:
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String s = mapDesc(t.getElementType().getDescriptor());
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for (int i = 0; i < t.getDimensions(); ++i) {
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s = '[' + s;
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}
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return Type.getType(s);
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case Type.OBJECT:
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s = map(t.getInternalName());
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return s != null ? Type.getObjectType(s) : t;
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case Type.METHOD:
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return Type.getMethodType(mapMethodDesc(t.getDescriptor()));
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}
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return t;
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}
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public String mapType(String type) {
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if (type == null) {
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return null;
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}
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return mapType(Type.getObjectType(type)).getInternalName();
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}
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public String[] mapTypes(String[] types) {
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String[] newTypes = null;
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boolean needMapping = false;
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for (int i = 0; i < types.length; i++) {
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String type = types[i];
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String newType = map(type);
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if (newType != null && newTypes == null) {
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newTypes = new String[types.length];
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if (i > 0) {
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System.arraycopy(types, 0, newTypes, 0, i);
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}
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needMapping = true;
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}
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if (needMapping) {
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newTypes[i] = newType == null ? type : newType;
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}
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}
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return needMapping ? newTypes : types;
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}
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public String mapMethodDesc(String desc) {
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if ("()V".equals(desc)) {
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return desc;
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}
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Type[] args = Type.getArgumentTypes(desc);
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StringBuffer s = new StringBuffer("(");
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for (int i = 0; i < args.length; i++) {
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s.append(mapDesc(args[i].getDescriptor()));
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}
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Type returnType = Type.getReturnType(desc);
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if (returnType == Type.VOID_TYPE) {
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s.append(")V");
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return s.toString();
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}
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s.append(')').append(mapDesc(returnType.getDescriptor()));
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return s.toString();
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}
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public Object mapValue(Object value) {
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if (value instanceof Type) {
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return mapType((Type) value);
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}
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if (value instanceof Handle) {
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Handle h = (Handle) value;
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return new Handle(h.getTag(), mapType(h.getOwner()), mapMethodName(
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h.getOwner(), h.getName(), h.getDesc()),
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mapMethodDesc(h.getDesc()));
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}
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return value;
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}
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/**
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*
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* @param typeSignature
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* true if signature is a FieldTypeSignature, such as the
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* signature parameter of the ClassVisitor.visitField or
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* MethodVisitor.visitLocalVariable methods
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*/
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public String mapSignature(String signature, boolean typeSignature) {
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if (signature == null) {
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return null;
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}
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SignatureReader r = new SignatureReader(signature);
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SignatureWriter w = new SignatureWriter();
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SignatureVisitor a = createRemappingSignatureAdapter(w);
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if (typeSignature) {
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r.acceptType(a);
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} else {
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r.accept(a);
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}
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return w.toString();
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}
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protected SignatureVisitor createRemappingSignatureAdapter(
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SignatureVisitor v) {
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return new RemappingSignatureAdapter(v, this);
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}
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/**
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* Map method name to the new name. Subclasses can override.
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*
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* @param owner
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* owner of the method.
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* @param name
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* name of the method.
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* @param desc
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* descriptor of the method.
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* @return new name of the method
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*/
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public String mapMethodName(String owner, String name, String desc) {
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return name;
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}
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/**
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* Map invokedynamic method name to the new name. Subclasses can override.
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*
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* @param name
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* name of the invokedynamic.
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* @param desc
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* descriptor of the invokedynamic.
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* @return new invokdynamic name.
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*/
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public String mapInvokeDynamicMethodName(String name, String desc) {
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return name;
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}
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/**
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* Map field name to the new name. Subclasses can override.
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*
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* @param owner
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* owner of the field.
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* @param name
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* name of the field
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* @param desc
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* descriptor of the field
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* @return new name of the field.
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*/
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public String mapFieldName(String owner, String name, String desc) {
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return name;
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}
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/**
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* Map type name to the new name. Subclasses can override.
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*/
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public String map(String typeName) {
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return typeName;
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}
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}
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