233 lines
7.7 KiB
Java
233 lines
7.7 KiB
Java
/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Rhino code, released
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* May 6, 1999.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1997-1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Igor Bukanov
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* Roger Lawrence
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*
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* Alternatively, the contents of this file may be used under the terms of
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* the GNU General Public License Version 2 or later (the "GPL"), in which
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* case the provisions of the GPL are applicable instead of those above. If
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* you wish to allow use of your version of this file only under the terms of
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* the GPL and not to allow others to use your version of this file under the
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* MPL, indicate your decision by deleting the provisions above and replacing
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* them with the notice and other provisions required by the GPL. If you do
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* not delete the provisions above, a recipient may use your version of this
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* file under either the MPL or the GPL.
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*
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* ***** END LICENSE BLOCK ***** */
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package org.mozilla.javascript;
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/**
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*
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* The class of error objects
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*
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* ECMA 15.11
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*/
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final class NativeError extends IdScriptableObject
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{
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static final long serialVersionUID = -5338413581437645187L;
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private static final Object ERROR_TAG = "Error";
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static void init(Scriptable scope, boolean sealed)
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{
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NativeError obj = new NativeError();
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ScriptableObject.putProperty(obj, "name", "Error");
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ScriptableObject.putProperty(obj, "message", "");
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ScriptableObject.putProperty(obj, "fileName", "");
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ScriptableObject.putProperty(obj, "lineNumber", new Integer(0));
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obj.exportAsJSClass(MAX_PROTOTYPE_ID, scope, sealed);
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}
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static NativeError make(Context cx, Scriptable scope,
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IdFunctionObject ctorObj, Object[] args)
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{
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Scriptable proto = (Scriptable)(ctorObj.get("prototype", ctorObj));
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NativeError obj = new NativeError();
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obj.setPrototype(proto);
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obj.setParentScope(scope);
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int arglen = args.length;
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if (arglen >= 1) {
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ScriptableObject.putProperty(obj, "message",
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ScriptRuntime.toString(args[0]));
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if (arglen >= 2) {
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ScriptableObject.putProperty(obj, "fileName", args[1]);
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if (arglen >= 3) {
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int line = ScriptRuntime.toInt32(args[2]);
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ScriptableObject.putProperty(obj, "lineNumber",
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new Integer(line));
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}
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}
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}
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if(arglen < 3 && cx.hasFeature(Context.FEATURE_LOCATION_INFORMATION_IN_ERROR)) {
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// Fill in fileName and lineNumber automatically when not specified
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// explicitly, see Bugzilla issue #342807
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int[] linep = new int[1];
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String fileName = Context.getSourcePositionFromStack(linep);
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ScriptableObject.putProperty(obj, "lineNumber",
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new Integer(linep[0]));
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if(arglen < 2) {
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ScriptableObject.putProperty(obj, "fileName", fileName);
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}
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}
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return obj;
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}
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@Override
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public String getClassName()
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{
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return "Error";
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}
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@Override
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public String toString()
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{
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return js_toString(this);
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}
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@Override
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protected void initPrototypeId(int id)
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{
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String s;
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int arity;
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switch (id) {
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case Id_constructor: arity=1; s="constructor"; break;
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case Id_toString: arity=0; s="toString"; break;
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case Id_toSource: arity=0; s="toSource"; break;
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default: throw new IllegalArgumentException(String.valueOf(id));
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}
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initPrototypeMethod(ERROR_TAG, id, s, arity);
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}
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@Override
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public Object execIdCall(IdFunctionObject f, Context cx, Scriptable scope,
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Scriptable thisObj, Object[] args)
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{
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if (!f.hasTag(ERROR_TAG)) {
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return super.execIdCall(f, cx, scope, thisObj, args);
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}
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int id = f.methodId();
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switch (id) {
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case Id_constructor:
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return make(cx, scope, f, args);
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case Id_toString:
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return js_toString(thisObj);
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case Id_toSource:
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return js_toSource(cx, scope, thisObj);
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}
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throw new IllegalArgumentException(String.valueOf(id));
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}
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private static String js_toString(Scriptable thisObj)
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{
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return getString(thisObj, "name")+": "+getString(thisObj, "message");
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}
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private static String js_toSource(Context cx, Scriptable scope,
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Scriptable thisObj)
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{
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// Emulation of SpiderMonkey behavior
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Object name = ScriptableObject.getProperty(thisObj, "name");
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Object message = ScriptableObject.getProperty(thisObj, "message");
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Object fileName = ScriptableObject.getProperty(thisObj, "fileName");
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Object lineNumber = ScriptableObject.getProperty(thisObj, "lineNumber");
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StringBuffer sb = new StringBuffer();
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sb.append("(new ");
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if (name == NOT_FOUND) {
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name = Undefined.instance;
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}
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sb.append(ScriptRuntime.toString(name));
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sb.append("(");
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if (message != NOT_FOUND
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|| fileName != NOT_FOUND
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|| lineNumber != NOT_FOUND)
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{
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if (message == NOT_FOUND) {
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message = "";
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}
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sb.append(ScriptRuntime.uneval(cx, scope, message));
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if (fileName != NOT_FOUND || lineNumber != NOT_FOUND) {
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sb.append(", ");
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if (fileName == NOT_FOUND) {
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fileName = "";
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}
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sb.append(ScriptRuntime.uneval(cx, scope, fileName));
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if (lineNumber != NOT_FOUND) {
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int line = ScriptRuntime.toInt32(lineNumber);
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if (line != 0) {
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sb.append(", ");
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sb.append(ScriptRuntime.toString(line));
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}
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}
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}
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}
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sb.append("))");
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return sb.toString();
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}
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private static String getString(Scriptable obj, String id)
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{
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Object value = ScriptableObject.getProperty(obj, id);
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if (value == NOT_FOUND) return "";
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return ScriptRuntime.toString(value);
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}
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@Override
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protected int findPrototypeId(String s)
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{
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int id;
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// #string_id_map#
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// #generated# Last update: 2007-05-09 08:15:45 EDT
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L0: { id = 0; String X = null; int c;
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int s_length = s.length();
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if (s_length==8) {
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c=s.charAt(3);
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if (c=='o') { X="toSource";id=Id_toSource; }
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else if (c=='t') { X="toString";id=Id_toString; }
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}
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else if (s_length==11) { X="constructor";id=Id_constructor; }
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if (X!=null && X!=s && !X.equals(s)) id = 0;
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break L0;
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}
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// #/generated#
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return id;
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}
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private static final int
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Id_constructor = 1,
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Id_toString = 2,
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Id_toSource = 3,
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MAX_PROTOTYPE_ID = 3;
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// #/string_id_map#
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}
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