/***
* ASM: a very small and fast Java bytecode manipulation framework
* Copyright (c) 2000-2007 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 br.com.caelum.vraptor.asm.optimizer;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.HashSet;
import java.util.Properties;
import java.util.Set;
import br.com.caelum.vraptor.asm.Type;
/**
* A MAPPING from names to names, used to rename classes, fields and methods.
*
* @author Eric Bruneton
*/
@SuppressWarnings({ "unchecked", "serial" })
public class NameMapping extends Properties {
public final Set unused;
public NameMapping(final String file) throws IOException {
load(new FileInputStream(file));
unused = new HashSet(keySet());
}
public String map(final String name) {
String s = (String) get(name);
if (s == null) {
int p = name.indexOf('.');
if (p == -1) {
s = name;
} else {
int q = name.indexOf('(');
if (q == -1) {
s = name.substring(p + 1);
} else {
s = name.substring(p + 1, q);
}
}
} else {
unused.remove(name);
}
return s;
}
public String fix(final String desc) {
if (desc.startsWith("(")) {
Type[] arguments = Type.getArgumentTypes(desc);
Type result = Type.getReturnType(desc);
for (int i = 0; i < arguments.length; ++i) {
arguments[i] = fix(arguments[i]);
}
result = fix(result);
return Type.getMethodDescriptor(result, arguments);
} else {
return fix(Type.getType(desc)).getDescriptor();
}
}
private Type fix(final Type t) {
if (t.getSort() == Type.OBJECT) {
return Type.getObjectType(map(t.getInternalName()));
} else if (t.getSort() == Type.ARRAY) {
String s = fix(t.getElementType()).getDescriptor();
for (int i = 0; i < t.getDimensions(); ++i) {
s = '[' + s;
}
return Type.getType(s);
} else {
return t;
}
}
}