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Fork off NewMarshalCache and use identity for symbols
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core/src/main/java/org/jruby/runtime/marshal/NewMarshalCache.java
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| /***** BEGIN LICENSE BLOCK ***** | ||
| * Version: EPL 2.0/GPL 2.0/LGPL 2.1 | ||
| * | ||
| * The contents of this file are subject to the Eclipse Public | ||
| * License Version 2.0 (the "License"); you may not use this file | ||
| * except in compliance with the License. You may obtain a copy of | ||
| * the License at http://www.eclipse.org/legal/epl-v20.html | ||
| * | ||
| * Software distributed under the License is distributed on an "AS | ||
| * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or | ||
| * implied. See the License for the specific language governing | ||
| * rights and limitations under the License. | ||
| * | ||
| * Copyright (C) 2002 Jan Arne Petersen <jpetersen@uni-bonn.de> | ||
| * Copyright (C) 2002-2004 Anders Bengtsson <ndrsbngtssn@yahoo.se> | ||
| * Copyright (C) 2004 Stefan Matthias Aust <sma@3plus4.de> | ||
| * Copyright (C) 2007 Ola Bini <ola.bini@gmail.com> | ||
| * | ||
| * Alternatively, the contents of this file may be used under the terms of | ||
| * either of the GNU General Public License Version 2 or later (the "GPL"), | ||
| * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), | ||
| * in which case the provisions of the GPL or the LGPL are applicable instead | ||
| * of those above. If you wish to allow use of your version of this file only | ||
| * under the terms of either the GPL or the LGPL, and not to allow others to | ||
| * use your version of this file under the terms of the EPL, indicate your | ||
| * decision by deleting the provisions above and replace them with the notice | ||
| * and other provisions required by the GPL or the LGPL. If you do not delete | ||
| * the provisions above, a recipient may use your version of this file under | ||
| * the terms of any one of the EPL, the GPL or the LGPL. | ||
| ***** END LICENSE BLOCK *****/ | ||
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| package org.jruby.runtime.marshal; | ||
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| import org.jruby.RubySymbol; | ||
| import org.jruby.runtime.builtin.IRubyObject; | ||
| import org.jruby.util.ByteList; | ||
| import org.jruby.util.collections.HashMapInt; | ||
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| import java.io.IOException; | ||
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| public class NewMarshalCache { | ||
| private final HashMapInt<IRubyObject> linkCache = new HashMapInt<>(true); | ||
| private final HashMapInt<RubySymbol> symbolCache = new HashMapInt<>(true); | ||
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| public boolean isRegistered(IRubyObject value) { | ||
| assert !(value instanceof RubySymbol) : "Use isSymbolRegistered for symbol links"; | ||
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| return linkCache.containsKey(value); | ||
| } | ||
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| public boolean isSymbolRegistered(RubySymbol sym) { | ||
| return symbolCache.containsKey(sym); | ||
| } | ||
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| public void register(IRubyObject value) { | ||
| assert !(value instanceof RubySymbol) : "Use registeredSymbolIndex for symbols"; | ||
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| linkCache.put(value, Integer.valueOf(linkCache.size())); | ||
| } | ||
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| public void registerSymbol(RubySymbol sym) { | ||
| symbolCache.put(sym, symbolCache.size()); | ||
| } | ||
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| public void writeLink(NewMarshal output, NewMarshal.RubyOutputStream out, IRubyObject value) { | ||
| assert !(value instanceof RubySymbol) : "Use writeSymbolLink for symbols"; | ||
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| out.write('@'); | ||
| output.writeInt(out, registeredIndex(value)); | ||
| } | ||
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| public void writeSymbolLink(NewMarshal output, NewMarshal.RubyOutputStream out, RubySymbol sym) { | ||
| out.write(';'); | ||
| output.writeInt(out, registeredSymbolIndex(sym)); | ||
| } | ||
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| private int registeredIndex(IRubyObject value) { | ||
| return linkCache.get(value); | ||
| } | ||
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| private int registeredSymbolIndex(RubySymbol sym) { | ||
| return symbolCache.get(sym); | ||
| } | ||
| } |