1 files changed, 154 insertions, 0 deletions
diff --git a/trunk/infrastructure/rhino1_7R1/src/org/mozilla/javascript/NativeCall.java b/trunk/infrastructure/rhino1_7R1/src/org/mozilla/javascript/NativeCall.java
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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;
+}
+