/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
* Free SoftwareFoundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.es;
import com.caucho.util.IntMap;
import java.util.HashMap;
class ESArguments extends ESObject {
static ESId CALLEE = ESId.intern("callee");
static ESId ARGUMENTS = ESId.intern("arguments");
static ESId LENGTH = ESId.intern("length");
HashMap aliases = new HashMap();
private ESArguments(ESId []formals, Call eval, int length)
throws ESException
{
super("Arguments", Global.getGlobalProto().arrayProto);
for (int i = 0; i < length; i++)
super.put(ESString.create(i), eval.getArg(i, length), DONT_ENUM);
for (int i = 0; i < formals.length; i++) {
super.put(formals[i], eval.getArg(i, length), DONT_ENUM|DONT_DELETE);
aliases.put(formals[i], ESString.create(i));
aliases.put(ESString.create(i), formals[i]);
}
super.put(LENGTH, ESNumber.create(length), DONT_ENUM);
super.put(CALLEE, eval.callee, DONT_ENUM);
}
static ESObject create(ESId []formals, Call eval, int length)
throws ESException
{
ESArguments args = new ESArguments(formals, eval, length);
args.put(ARGUMENTS, args, DONT_ENUM|DONT_DELETE);
return args;
}
public ESString toSource(IntMap map, boolean isLoopPass) throws Throwable
{
return ESArray.arrayToSource(this, map, isLoopPass);
}
public void setProperty(ESString key, ESBase value) throws Throwable
{
ESId alias = (ESId) aliases.get(key);
super.setProperty(key, value);
if (alias != null)
super.setProperty(alias, value);
}
public void put(ESString key, ESBase value, int flags)
{
ESId alias = (ESId) aliases.get(key);
super.put(key, value, flags);
if (alias != null)
super.put(alias, value, flags);
}
public ESBase delete(ESString key) throws Throwable
{
ESId alias = (ESId) aliases.get(key);
if (alias == null)
return super.delete(key);
else {
return ESBoolean.FALSE;
// aliases.remove(key); // XXX: is this right? 10.1.8
}
}
protected ESArguments() {}
protected ESObject dup() { return new ESArguments(); }
protected void copy(HashMap refs, Object newObj)
{
ESArguments newArgs = (ESArguments) newObj;
newArgs.aliases = aliases;
super.copy(refs, newObj);
}
}