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+/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (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.mozilla.org/MPL/
+ *
+ * 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.
+ *
+ * The Original Code is Rhino code, released
+ * May 6, 1999.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1997-1999
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * Norris Boyd
+ * Bob Jervis
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * the GNU General Public License Version 2 or later (the "GPL"), in which
+ * case the provisions of the GPL are applicable instead of those above. If
+ * you wish to allow use of your version of this file only under the terms of
+ * the GPL and not to allow others to use your version of this file under the
+ * MPL, indicate your decision by deleting the provisions above and replacing
+ * them with the notice and other provisions required by the GPL. If you do
+ * not delete the provisions above, a recipient may use your version of this
+ * file under either the MPL or the GPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+package org.mozilla.javascript;
+
+/**
+ * This class implements the activation object.
+ *
+ * See ECMA 10.1.6
+ *
+ * @see org.mozilla.javascript.Arguments
+ * @author Norris Boyd
+ */
+public final class NativeCall extends IdScriptableObject
+{
+ static final long serialVersionUID = -7471457301304454454L;
+
+ private static final Object CALL_TAG = new Object();
+
+ static void init(Scriptable scope, boolean sealed)
+ {
+ NativeCall obj = new NativeCall();
+ obj.exportAsJSClass(MAX_PROTOTYPE_ID, scope, sealed);
+ }
+
+ NativeCall() { }
+
+ NativeCall(NativeFunction function, Scriptable scope, Object[] args)
+ {
+ this.function = function;
+
+ setParentScope(scope);
+ // leave prototype null
+
+ this.originalArgs = (args == null) ? ScriptRuntime.emptyArgs : args;
+
+ // initialize values of arguments
+ int paramAndVarCount = function.getParamAndVarCount();
+ int paramCount = function.getParamCount();
+ if (paramAndVarCount != 0) {
+ for (int i = 0; i < paramCount; ++i) {
+ String name = function.getParamOrVarName(i);
+ Object val = i < args.length ? args[i]
+ : Undefined.instance;
+ defineProperty(name, val, PERMANENT);
+ }
+ }
+
+ // initialize "arguments" property but only if it was not overridden by
+ // the parameter with the same name
+ if (!super.has("arguments", this)) {
+ defineProperty("arguments", new Arguments(this), PERMANENT);
+ }
+
+ if (paramAndVarCount != 0) {
+ for (int i = paramCount; i < paramAndVarCount; ++i) {
+ String name = function.getParamOrVarName(i);
+ if (!super.has(name, this)) {
+ if (function.getParamOrVarConst(i))
+ defineProperty(name, Undefined.instance, CONST);
+ else
+ defineProperty(name, Undefined.instance, PERMANENT);
+ }
+ }
+ }
+ }
+
+ public String getClassName()
+ {
+ return "Call";
+ }
+
+ protected int findPrototypeId(String s)
+ {
+ return s.equals("constructor") ? Id_constructor : 0;
+ }
+
+ protected void initPrototypeId(int id)
+ {
+ String s;
+ int arity;
+ if (id == Id_constructor) {
+ arity=1; s="constructor";
+ } else {
+ throw new IllegalArgumentException(String.valueOf(id));
+ }
+ initPrototypeMethod(CALL_TAG, id, s, arity);
+ }
+
+ public Object execIdCall(IdFunctionObject f, Context cx, Scriptable scope,
+ Scriptable thisObj, Object[] args)
+ {
+ if (!f.hasTag(CALL_TAG)) {
+ return super.execIdCall(f, cx, scope, thisObj, args);
+ }
+ int id = f.methodId();
+ if (id == Id_constructor) {
+ if (thisObj != null) {
+ throw Context.reportRuntimeError1("msg.only.from.new", "Call");
+ }
+ ScriptRuntime.checkDeprecated(cx, "Call");
+ NativeCall result = new NativeCall();
+ result.setPrototype(getObjectPrototype(scope));
+ return result;
+ }
+ throw new IllegalArgumentException(String.valueOf(id));
+ }
+
+ private static final int
+ Id_constructor = 1,
+ MAX_PROTOTYPE_ID = 1;
+
+ NativeFunction function;
+ Object[] originalArgs;
+
+ transient NativeCall parentActivationCall;
+}
+