1
/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express oqr
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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* The Original Code is Rhino code, released
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1997-1999 Netscape Communications Corporation. All
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* Alternatively, the contents of this file may be used under the
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* terms of the GNU Public License (the "GPL"), in which case the
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* provisions of the GPL are applicable instead of those above.
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* If you wish to allow use of your version of this file only
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* under the terms of the GPL and not to allow others to use your
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* version of this file under the NPL, indicate your decision by
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* deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL. If you do not delete
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* the provisions above, a recipient may use your version of this
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* file under either the NPL or the GPL.
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package org.mozilla.javascript;
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* This class implements the Boolean native object.
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public class NativeBoolean extends IdScriptable {
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public static void init(Context cx, Scriptable scope, boolean sealed) {
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NativeBoolean obj = new NativeBoolean();
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obj.prototypeFlag = true;
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obj.addAsPrototype(MAX_PROTOTYPE_ID, cx, scope, sealed);
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* Zero-parameter constructor: just used to create Boolean.prototype
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public NativeBoolean() {
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public NativeBoolean(boolean b) {
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public String getClassName() {
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public Object getDefaultValue(Class typeHint) {
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// This is actually non-ECMA, but will be proposed
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// as a change in round 2.
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if (typeHint == ScriptRuntime.BooleanClass)
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return wrap_boolean(booleanValue);
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return super.getDefaultValue(typeHint);
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public int methodArity(int methodId) {
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if (methodId == Id_constructor) return 1;
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if (methodId == Id_toString) return 0;
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if (methodId == Id_valueOf) return 0;
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return super.methodArity(methodId);
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public Object execMethod
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(int methodId, IdFunction f,
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Context cx, Scriptable scope, Scriptable thisObj, Object[] args)
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throws JavaScriptException
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if (methodId == Id_constructor) {
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return jsConstructor(args, thisObj == null);
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else if (methodId == Id_toString) {
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return realThis(thisObj, f).jsFunction_toString();
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else if (methodId == Id_valueOf) {
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return wrap_boolean(realThis(thisObj, f).jsFunction_valueOf());
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return super.execMethod(methodId, f, cx, scope, thisObj, args);
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private NativeBoolean realThis(Scriptable thisObj, IdFunction f) {
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while (!(thisObj instanceof NativeBoolean)) {
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thisObj = nextInstanceCheck(thisObj, f, true);
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return (NativeBoolean)thisObj;
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private Object jsConstructor(Object[] args, boolean inNewExpr) {
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boolean b = ScriptRuntime.toBoolean(args, 0);
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// new Boolean(val) creates a new boolean object.
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return new NativeBoolean(b);
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// Boolean(val) converts val to a boolean.
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return wrap_boolean(b);
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private String jsFunction_toString() {
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return booleanValue ? "true" : "false";
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private boolean jsFunction_valueOf() {
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protected String getIdName(int id) {
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if (id == Id_constructor) return "constructor";
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if (id == Id_toString) return "toString";
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if (id == Id_valueOf) return "valueOf";
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protected int mapNameToId(String s) {
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if (!prototypeFlag) { return 0; }
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// #generated# Last update: 2001-04-23 10:38:18 CEST
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L0: { id = 0; String X = null;
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int s_length = s.length();
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if (s_length==7) { X="valueOf";id=Id_valueOf; }
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else if (s_length==8) { X="toString";id=Id_toString; }
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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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private static final int
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MAX_PROTOTYPE_ID = 3;
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private boolean booleanValue;
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private boolean prototypeFlag;
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/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* The contents of this file are subject to the Netscape Public
4
* License Version 1.1 (the "License"); you may not use this file
5
* except in compliance with the License. You may obtain a copy of
6
* the License at http://www.mozilla.org/NPL/
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* Software distributed under the License is distributed on an "AS
9
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
10
* implied. See the License for the specific language governing
11
* rights and limitations under the License.
13
* The Original Code is Rhino code, released
16
* The Initial Developer of the Original Code is Netscape
17
* Communications Corporation. Portions created by Netscape are
18
* Copyright (C) 1997-1999 Netscape Communications Corporation. All
26
* Alternatively, the contents of this file may be used under the
27
* terms of the GNU Public License (the "GPL"), in which case the
28
* provisions of the GPL are applicable instead of those above.
29
* If you wish to allow use of your version of this file only
30
* under the terms of the GPL and not to allow others to use your
31
* version of this file under the NPL, indicate your decision by
32
* deleting the provisions above and replace them with the notice
33
* and other provisions required by the GPL. If you do not delete
34
* the provisions above, a recipient may use your version of this
35
* file under either the NPL or the GPL.
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package org.mozilla.javascript;
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* This class implements the Boolean native object.
45
final class NativeBoolean extends IdScriptableObject
47
private static final Object BOOLEAN_TAG = new Object();
49
static void init(Context cx, Scriptable scope, boolean sealed)
51
NativeBoolean obj = new NativeBoolean(false);
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obj.exportAsJSClass(MAX_PROTOTYPE_ID, scope, sealed);
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private NativeBoolean(boolean b)
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public String getClassName()
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public Object getDefaultValue(Class typeHint) {
66
// This is actually non-ECMA, but will be proposed
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// as a change in round 2.
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if (typeHint == ScriptRuntime.BooleanClass)
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return ScriptRuntime.wrapBoolean(booleanValue);
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return super.getDefaultValue(typeHint);
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protected void initPrototypeId(int 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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case Id_valueOf: arity=0; s="valueOf"; break;
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default: throw new IllegalArgumentException(String.valueOf(id));
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initPrototypeMethod(BOOLEAN_TAG, id, s, arity);
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public Object execIdCall(IdFunctionObject f, Context cx, Scriptable scope,
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Scriptable thisObj, Object[] args)
90
if (!f.hasTag(BOOLEAN_TAG)) {
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return super.execIdCall(f, cx, scope, thisObj, args);
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int id = f.methodId();
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if (id == Id_constructor) {
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boolean b = ScriptRuntime.toBoolean(args, 0);
97
if (thisObj == null) {
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// new Boolean(val) creates a new boolean object.
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return new NativeBoolean(b);
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// Boolean(val) converts val to a boolean.
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return ScriptRuntime.wrapBoolean(b);
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// The rest of Boolean.prototype methods require thisObj to be Boolean
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if (!(thisObj instanceof NativeBoolean))
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throw incompatibleCallError(f);
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boolean value = ((NativeBoolean)thisObj).booleanValue;
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return value ? "true" : "false";
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return value ? "(new Boolean(true))" : "(new Boolean(false))";
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return ScriptRuntime.wrapBoolean(value);
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throw new IllegalArgumentException(String.valueOf(id));
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protected int findPrototypeId(String s)
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// #generated# Last update: 2004-03-17 13:28:00 CET
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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==7) { X="valueOf";id=Id_valueOf; }
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else if (s_length==8) {
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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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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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private static final int
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MAX_PROTOTYPE_ID = 4;
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private boolean booleanValue;
added
removed
src/org/mozilla/javascript/NativeBoolean.java
