X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=src%2Forg%2Fxwt%2FXWT.java;h=c5f7a133ef874689e9a86de4fa869142024c4399;hb=6a96430e10e27fc1de5754cb5add705f929dd109;hp=2eeaadf3740559358b1709098804d1491c696889;hpb=3a003a2e72e4762366a00aeb8ffbd9c6fb4b11f5;p=org.ibex.core.git

diff --git a/src/org/xwt/XWT.java b/src/org/xwt/XWT.java
index 2eeaadf..c5f7a13 100644
--- a/src/org/xwt/XWT.java
+++ b/src/org/xwt/XWT.java
@@ -1,320 +1,283 @@
-// Copyright 2002 Adam Megacz, see the COPYING file for licensing [GPL]
+// Copyright 2003 Adam Megacz, see the COPYING file for licensing [GPL]
 package org.xwt;
 
 import java.io.*;
 import java.net.*;
 import java.text.*;
 import java.util.*;
+import org.xwt.js.*;
 import org.xwt.util.*;
-import org.mozilla.javascript.*;
+import org.xwt.translators.*;
+import org.bouncycastle.util.encoders.Base64;
 
 /** Singleton class that provides all functionality in the xwt.* namespace */
-public final class XWT extends JSObject {
+public final class XWT extends JS.Obj {
 
-    public static final XWT singleton = new XWT();
+    public final Res rr;
+    public XWT(Res rr) { this.rr = rr; }
+
+    private final JS xwtMath = new XWTMath();
+    private final JS xwtString = new XWTString();
 
     /** each key is a string representing a filename which the user has already given XWT permission to write to */
     private static Hashtable safeFiles = new Hashtable();
 
-    public String getClassName() { return "XWT"; }
-    private XWT() { setSeal(true); }
-
-    public Object get(String name, Scriptable start) {
-        if (name == null) return null;
-        else if (name.equals("maxdim")) return new Integer(Short.MAX_VALUE);
-        else if (name.equals("parseFloat")) return JSObject.defaultObjects.get("parseFloat", null);
-        else if (name.equals("parseInt")) return JSObject.defaultObjects.get("parseInt", null);
-        else if (name.equals("alt")) return Surface.alt ? Boolean.TRUE : Boolean.FALSE;
+    public Object get(Object name) {
+        if (name.equals("alt")) return Surface.alt ? Boolean.TRUE : Boolean.FALSE;
+        else if (name.equals("rr")) return rr;
+        else if (name.equals("box")) return new Box();
         else if (name.equals("control")) return Surface.control ? Boolean.TRUE : Boolean.FALSE;
         else if (name.equals("shift")) return Surface.shift ? Boolean.TRUE : Boolean.FALSE;
-        else if (name.equals("date")) return date;
-        else if (name.equals("listfonts")) return listfonts;
-        else if (name.equals("regexp")) return regexp;
-        else if (name.equals("sleep")) return sleep;
-        else if (name.equals("yield")) return yield;
-        else if (name.equals("newBrowserWindow")) return newBrowserWindow;
-        else if (name.equals("textwidth")) return textwidth;
-        else if (name.equals("textheight")) return textheight;
-        else if (name.equals("newBox")) return newBox;
-        else if (name.equals("soap")) return soap;
-        else if (name.equals("xmlrpc")) return xmlrpc;
-        else if (name.equals("origin")) return Main.origin;
         else if (name.equals("clipboard")) return Platform.getClipBoard();
+        else if (name.equals("origin")) return Main.origin;
+        else if (name.equals("maxdim")) return new Integer(Short.MAX_VALUE);
         else if (name.equals("altKeyName")) return Platform.altKeyName();
         else if (name.equals("screenWidth")) return new Integer(Platform.getScreenWidth());
         else if (name.equals("screenHeight")) return new Integer(Platform.getScreenHeight());
-        else if (name.equals("static")) return Static.getStatic("");
-        else if (name.equals("theme")) return theme;
-        else if (name.equals("openFile")) return openFile;
-        else if (name.equals("saveFile")) return saveFile;
-        else if (name.equals("saveFileAs")) return saveFileAs;
-        else if (name.equals("utfEncode")) return utfEncode;
         else if (name.equals("fileSeparator")) return File.separator;
         else if (name.equals("homeDir")) return System.getProperty("user.home");
         else if (name.equals("tempDir")) return System.getProperty("java.io.tempdir");
-        else if (name.equals("recursivePrintObject")) return recursivePrintObject;
+        else if (name.equals("math")) return xwtMath;
+        else if (name.equals("string")) return xwtString;
+        else if (name.equals("parseInt")) return xwtString.get("parseInt");
+        else if (name.equals("parseFloat")) return xwtString.get("parseFloat");
         else if (name.equals("button")) {
             if (Surface.button1 && !Surface.button2 && !Surface.button3) return new Integer(1);
             else if (!Surface.button1 && Surface.button2 && !Surface.button3) return new Integer(1);
             else if (!Surface.button1 && !Surface.button2 && Surface.button3) return new Integer(1);
             else return new Integer(0);
         }
-        else if (name.equals("println")) return println;
-        else if (name.equals("math")) return org.xwt.util.JSObject.defaultObjects.get("Math", null);
-        else return super.get(name, start);
-    }
-
-    public void put(String name, Scriptable start, Object value) {
-        if (name == null) return;
-        else if (name.equals("thread") && value != null && value instanceof Function) ThreadMessage.newthread((Function)value);
-        else if (name.equals("clipboard")) Platform.setClipBoard(value.toString());
-        else super.put(name, start, value);
-    }
-
-
-    // JSFunction Instances ///////////////////////////////////////////////////////////////////
-
-    /** Helper class for defining functions. */
-    private static abstract class JSFunction extends JSObject implements Function {
-        JSFunction() { setSeal(true); }
-        public Scriptable construct(Context cx, Scriptable scope, java.lang.Object[] args) { return null; }
+        else return rr.get(name);
     }
 
-    private static final JSFunction newBrowserWindow = new JSFunction() {
-            public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
-                if (args.length != 1 || args[0] == null) return null;
-                Platform.newBrowserWindow(args[0].toString());
-                return null;
-            }
-        };
-
-    private static final JSFunction yield = new JSFunction() {
-            public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
-                sleep.call(cx, null, null, null);
-                return null;
-            }
-        };
-
-    private static final JSFunction println = new JSFunction() {
-            public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
-                if (args.length == 1)
-                    if (Log.on)
-                        Log.log(cx.interpreterSourceFile, args[0] == null ? "null" : args[0].toString());
+    public void put(Object name, final Object value) {
+        if (name.equals("thread") && value != null && (value instanceof JS.Callable || value instanceof JS.CompiledFunction)) {
+            Scheduler.add(new Scheduler.Task() { public Object call(Object arg) {
+                new JS.Thread((CompiledFunction)value).resume();
                 return null;
-            }
-        };
-
-    private static final JSFunction date = new JSFunction() {
-            public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
-                try { return Context.enter().newObject(org.xwt.util.JSObject.defaultObjects, "Date", args);
-                } catch (Exception e) {
-                    if (Log.on) Log.log(this, "Exception in Context.newObject() -- this should never happen");
-                    if (Log.on) Log.log(this, e);
-                    return null;
-                }
-            }
-        };
-
-    private static final JSFunction regexp = new JSFunction() {
-            public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
-                try { return Context.enter().newObject(org.xwt.util.JSObject.defaultObjects, "RegExp", args);
-                } catch (Exception e) {
-                    if (Log.on) Log.log(this, "Exception in Context.newObject() -- this should never happen");
-                    if (Log.on) Log.log(this, e);
-                    return null;
-                }
-            }
-        };
-
-    private static final JSFunction listfonts = new JSFunction() {
-            public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
-                return Context.enter().newArray(org.xwt.util.JSObject.defaultObjects,  Platform.listFonts());
-            }
-        };
-
-    private static final JSFunction theme = new JSFunction() {
-            public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
-                if (args.length != 2) return null;
-                if (args[0] == null || args[1] == null) return null;
-                Template.retheme(args[0].toString(), args[1].toString());
-                return null;
-            }
-        };
-
-    private static final JSFunction xmlrpc = new JSFunction() {
-            public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
-                if (args.length != 1 || args[0] == null) return null;
-                return new XMLRPC(args[0].toString(), "");
-            }
-        };
-
-    private static final JSFunction soap = new JSFunction() {
-            public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
-                if (args.length == 1 && args[0] != null) return new SOAP(args[0].toString(), "", null, null);
-                else if (args.length == 2 && args[0] != null && args[1] != null)
-                    return new SOAP(args[0].toString(), "", args[1].toString(), null);
-                else if (args.length == 3 && args[0] != null && args[1] != null && args[2] != null)
-                    return new SOAP(args[0].toString(), "", args[1].toString(), args[2].toString());
-                else return null;
-            }
-        };
-
-    private static final JSFunction textwidth = new JSFunction() {
-            public Object call(Context cx, Scriptable scope, Scriptable thisObj, Object[] args) throws JavaScriptException {
-                if (args.length < 1 || args.length > 2) return null;
-                if (args[0] == null || (args.length == 2 && args[1] == null)) return null;
-                String font = args.length == 1 ? Platform.getDefaultFont() : args[0].toString();
-                String text = args.length == 1 ? args[0].toString() : args[1].toString();
-                XWF xwf = XWF.getXWF(font);
-                if (xwf == null) return new Integer(Platform.stringWidth(font, text));
-                else return new Integer(xwf.stringWidth(text));
-            }
-        };
-
+            } });
+        } else if (name.equals("clipboard")) Platform.setClipBoard(value.toString());
+        else if (name.equals("frame")) Platform.createSurface((Box)value, true, true);
+        else if (name.equals("window")) Platform.createSurface((Box)value, false, true);
+        else if (name.equals("proxyAuthorization")) {
+            HTTP.Proxy.Authorization.authorization = value.toString();
+            HTTP.Proxy.Authorization.waitingForUser.release();
+        } else super.put(name, value);
+    }
 
-    private static final JSFunction textheight = new JSFunction() {
-            public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
-                if (args.length > 1) return null;
-                if (args.length == 1 && args[0] == null) return null;
-                String font = args.length == 0 || args[0] == null ? Platform.getDefaultFont() : args[0].toString();
-                XWF xwf = XWF.getXWF(font);
-                if (xwf == null) return new Integer(Platform.getMaxAscent(font) + Platform.getMaxDescent(font));
-                else return new Integer(xwf.getMaxAscent() + xwf.getMaxDescent());
-            }
-        };
-
-    private static final JSFunction newBox = new JSFunction() {
-            public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
-                Box ret = new Box(args.length == 0 || args[0] == null ? "box" : args[0].toString(), Template.defaultImportList);
-                for(int i=1; i<args.length; i++)
-                    if (args[i] instanceof Box)
-                        ret.put(ret.numChildren(), null, (Box)args[i]);
-                for(int i=1; i<args.length; i++)
-                    if (args[i] instanceof Scriptable && !(args[i] instanceof Box)) {
-                        Scriptable s = (Scriptable)args[i];
-                        Object[] keys = s.getIds();
-
-                        // FIXME: need to ensure that this is putGlobally(), but still run traps...
-                        for(int j=0; j<keys.length; j++) ret.put(keys[j].toString(), null, s.get(keys[j].toString(), s));
-                    }
-                return ret;
+    public Object callMethod(Object method, JS.Array args, boolean checkOnly) {
+
+        if (method.equals("newBrowserWindow")) {
+            if (checkOnly) return Boolean.TRUE;
+            if (args.length() != 1 || args.elementAt(0) == null) return null;
+            Platform.newBrowserWindow(args.elementAt(0).toString());
+            return null;
+
+        } else if (method.equals("clone")) {
+            if (checkOnly) return Boolean.TRUE;
+            return new XWT((Res)args.elementAt(0));
+
+        } else if (method.equals("graft")) {
+            if (checkOnly) return Boolean.TRUE;
+            if (args.elementAt(0) instanceof Box) throw new JS.Exn("can't graft onto Boxes (yet)");
+            if (args.elementAt(0) instanceof Number) throw new JS.Exn("can't graft onto Numbers (yet)");
+            if (args.elementAt(0) instanceof String) throw new JS.Exn("can't graft onto Strings (yet)");
+            if (args.elementAt(0) instanceof Res)
+                return new Res.Graft((Res)args.elementAt(0), args.elementAt(1), args.elementAt(2));
+            return new JS.Graft((JS)args.elementAt(0), args.elementAt(1), args.elementAt(2));
+
+        } else if (method.equals("unzip")) {
+            if (checkOnly) return Boolean.TRUE;
+            return new Res.Zip((Res)args.elementAt(0));
+
+        } else if (method.equals("watchProgress")) {
+            if (checkOnly) return Boolean.TRUE;
+            return new Res.ProgressWatcher((Res)args.elementAt(0), (JS.CompiledFunction)args.elementAt(1));
+
+        } else if (method.equals("yield")) {
+            if (checkOnly) return Boolean.TRUE;
+            sleep(0);
+            return null;
+
+        } else if (method.equals("load")) {
+            if (checkOnly) return Boolean.TRUE;
+            return Res.stringToRes(args.elementAt(0).toString());
+
+        } else if (method.equals("println")) {
+            if (checkOnly) return Boolean.TRUE;
+            if (args.length() != 1) return null;
+            if (Log.on) Log.logJS(this, (args.elementAt(0) == null ? "**null**" : args.elementAt(0).toString()));
+            return null;
+
+        } else if (method.equals("date")) {
+            if (checkOnly) return Boolean.TRUE;
+            Log.log(XWT.class, "date not implemented");
+            return null;
+
+        } else if (method.equals("regexp")) {
+            if (checkOnly) return Boolean.TRUE;
+            return new Regexp(args);
+
+        } else if (method.equals("apply")) {
+            if (checkOnly) return Boolean.TRUE;
+            Box b = (Box)args.elementAt(0);
+            Template.getTemplate((Res)args.elementAt(1)).apply(b, null, this);
+            return b;
+
+        } else if (method.equals("xmlrpc")) {
+            if (checkOnly) return Boolean.TRUE;
+            if (args.length() != 1 || args.elementAt(0) == null) return null;
+            return new XMLRPC(args.elementAt(0).toString(), "");
+
+        } else if (method.equals("soap")) {
+            if (checkOnly) return Boolean.TRUE;
+            if (args.length() == 1 && args.elementAt(0) != null) return new SOAP(args.elementAt(0).toString(), "", null, null);
+            else if (args.length() == 2 && args.elementAt(0) != null && args.elementAt(1) != null)
+                return new SOAP(args.elementAt(0).toString(), "", args.elementAt(1).toString(), null);
+            else if (args.length() == 3 && args.elementAt(0) != null && args.elementAt(1) != null && args.elementAt(2) != null)
+                return new SOAP(args.elementAt(0).toString(), "", args.elementAt(1).toString(), args.elementAt(2).toString());
+            else return null;
+
+        } else if (method.equals("sleep")) {
+            if (checkOnly) return Boolean.TRUE;
+            if (args != null && (args.length() != 1 || args.elementAt(0) == null)) return null;
+            int i = args == null ? 0 : Box.stoi(args.elementAt(0).toString());
+            sleep(i);
+            return null;
+
+        } else if (method.equals("openFile")) {
+            if (checkOnly) return Boolean.TRUE;
+            if (args.length() != 1) return null;
+            String file = Platform.fileDialog(args.elementAt(0).toString(), false);
+            return file == null ? null : new Res.File(file);
+
+        } else if (method.equals("saveFile") || method.equals("saveFileAs")) {
+            if (checkOnly) return Boolean.TRUE;
+            if (args.length() != 2) return null;
+            if (!(args.elementAt(1) instanceof Res)) return null;
+            String file = args.elementAt(0).toString();
+            if (method.equals("saveFileAs") ||
+                safeFiles.get(Platform.isCaseSensitive() ? file : file.toLowerCase()) == null) {
+                file = Platform.fileDialog(file, true);
+                // FIXME: throw exception here
+                if (file == null) return null;
+                safeFiles.put(Platform.isCaseSensitive() ? file : file.toLowerCase(), new Object());
             }
-        };
-
-    private static final JSFunction sleep = new JSFunction() {
-            public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
-                if (args != null && (args.length != 1 || args[0] == null)) return null;
-                int i = args == null ? 0 : SpecialBoxProperty.stoi(args[0].toString());
-
-                Thread thread = Thread.currentThread();
-                if (!(thread instanceof ThreadMessage)) {
-                    if (Log.on) Log.log(this, "cannot sleep() or yield() in the foreground thread");
-                    return null;
+            try {
+                InputStream is = ((Res)args.elementAt(1)).getInputStream();
+                FileOutputStream out = new FileOutputStream(file);
+                byte[] buffer = new byte[1024 * 16];
+                while(true) {
+                    int numread = is.read(buffer, 0, buffer.length);
+                    if (numread == -1) break;
+                    out.write(buffer, 0, numread);
                 }
-                ThreadMessage mythread = (ThreadMessage)thread;
-                mythread.done.release();
-
-                if (i > 0) try { Thread.sleep(i); } catch (Exception e) { }
-                
-                MessageQueue.add(mythread);
-                mythread.go.block();
+                is.close();
+                out.close();
                 return null;
+            } catch (IOException e) {
+                if (Log.on) Log.log(XWT.class, "IO Exception while writing a ByteStream to a file");
+                if (Log.on) Log.log(XWT.class, e);
+                throw new JS.Exn("error while writing a Resource to a file");
             }
-        };
-
-    private static final JSFunction openFile = new JSFunction() {
-            public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
-                if (args.length != 1) return null;
-                String file = Platform.fileDialog(args[0].toString(), false);
-                return file == null ? null : new ByteStream(file);
-            }
-        };
-
-    private static final JSFunction saveFile = new JSFunction() {
-            public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
-                if (args.length != 2) return null;
-                if (!(args[1] instanceof ByteStream)) return null;
-                String file = args[0].toString();
-                if (safeFiles.get(Platform.isCaseSensitive() ? file : file.toLowerCase()) == null) {
-                    file = Platform.fileDialog(file, true);
-                    if (file == null) return null;
-                    safeFiles.put(Platform.isCaseSensitive() ? file : file.toLowerCase(), new Object());
-                }
-                try {
-                    ((ByteStream)args[1]).writeTo(new FileOutputStream(file));
-                    return null;
-                } catch (IOException e) {
-                    if (Log.on) Log.log(ByteStream.class, "IO Exception while writing a ByteStream to a file");
-                    if (Log.on) Log.log(ByteStream.class, e);
-                    throw new JavaScriptException("error while writing a ByteStream to a file");
-                }
-            }
-        };
 
-    private static final JSFunction saveFileAs = new JSFunction() {
-            public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
-                if (args.length != 2) return null;
-                if (!(args[1] instanceof ByteStream)) return null;
-                String file = args[0].toString();
-                file = Platform.fileDialog(file, true);
-                if (file == null) return null;
-                safeFiles.put(Platform.isCaseSensitive() ? file : file.toLowerCase(), new Object());
+        } else if (method.equals("parseHTML")) {
+            if (checkOnly) return Boolean.TRUE;
+                if (args == null || args.length() != 1 || args.elementAt(0) == null) return null;
                 try {
-                    ((ByteStream)args[1]).writeTo(new FileOutputStream(file));
-                    return null;
+                    if (args.elementAt(0) instanceof Res) {
+                        return HTML.parseReader(new InputStreamReader(((Res)args.elementAt(0)).getInputStream()));
+                    } else {
+                        return HTML.parseReader(new StringReader(args.elementAt(0).toString()));
+                    }
                 } catch (IOException e) {
-                    if (Log.on) Log.log(ByteStream.class, "IO Exception while writing a ByteStream to a file");
-                    if (Log.on) Log.log(ByteStream.class, e);
-                    throw new JavaScriptException("error while writing a ByteStream to a file");
+                    if (Log.on) Log.log(HTML.class, "IO Exception while parsing HTML");
+                    if (Log.on) Log.log(HTML.class, e);
+                    throw new JS.Exn("error while parsing HTML");
                 }
-            }
-        };
 
-    private static final JSFunction utfEncode = new JSFunction() {
-            public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
-                if (args == null || args.length != 1) return null;
-                return new ByteStream(args[0].toString().getBytes());
-            }
-        };
+        } else if (method.equals("recursivePrintObject")) {
+            if (checkOnly) return Boolean.TRUE;
+            if (args.length() != 1) return null;
+            recurse("", "", args.elementAt(0));
+            return null;
+        }
+            
+        if (checkOnly) return Boolean.FALSE;
+        return null;
+    }
 
-    
-    private static void recurse(String indent, String name, Object o, Context cx) {
+    private static void recurse(String indent, String name, Object o) {
         if (!name.equals("")) name += " : ";
 
         if (o == null) {
-            Log.log(cx.interpreterSourceFile, indent + name + "<null>");
-
-        } else if (o instanceof NativeArray) {
-            Log.log(cx.interpreterSourceFile, indent + name + "<array>");
-            NativeArray na = (NativeArray)o;
-            for(int i=0; i<na.jsGet_length(); i++)
-                recurse(indent + "  ", i + "", na.get(i, null), cx);
-
-        } else if (o instanceof JSObject || o instanceof ScriptableObject) {
-            Log.log(cx.interpreterSourceFile, indent + name + "<object>");
-            Scriptable s = (Scriptable)o;
-            Object[] keys = s.getIds();
+            Log.logJS(indent + name + "<null>");
+
+        } else if (o instanceof JS.Array) {
+            Log.logJS(indent + name + "<array>");
+            JS.Array na = (JS.Array)o;
+            for(int i=0; i<na.length(); i++)
+                recurse(indent + "  ", i + "", na.elementAt(i));
+
+        } else if (o instanceof JS) {
+            Log.logJS(indent + name + "<object>");
+            JS s = (JS)o;
+            Object[] keys = s.keys();
             for(int i=0; i<keys.length; i++)
-                recurse(indent + "  ", keys[i].toString(),
-                        keys[i] instanceof Integer ? s.get(((Integer)keys[i]).intValue(), null) : s.get(keys[i].toString(), null), cx);
+                if (keys[i] != null)
+                    recurse(indent + "  ", keys[i].toString(),
+                            (keys[i] instanceof Integer) ?
+                            s.get(((Integer)keys[i])) : s.get(keys[i].toString()));
 
         } else {
-            Log.log(cx.interpreterSourceFile, indent + name + o);
+            Log.logJS(indent + name + o);
 
         }
     }
 
-    private static final JSFunction recursivePrintObject = new JSFunction() {
-            public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
-                if (args == null || args.length != 1) return null;
-                recurse("", "", args[0], cx);
-                return null;
+    public static void sleep(final int i) {
+        final JS.Thread jsthread = JS.Thread.current();
+        final long currentTime = System.currentTimeMillis();
+        final Scheduler.Task task = new Scheduler.Task() { public Object call(Object arg) {
+            if (System.currentTimeMillis() - currentTime < i) {
+                Scheduler.add(this);
+            } else {
+                jsthread.resume();
             }
-        };
-
+            return null;
+        } };
+        jsthread.pause();
+        Scheduler.add(task);
+    }
+    
+    private static class XWTMath extends org.xwt.js.Math {
+        public XWTMath() {
+            JS gs = new JS.GlobalScope();
+            put("isNaN",gs.get("isNaN"));
+            put("isFinite",gs.get("isFinite"));
+            put("NaN",gs.get("NaN"));
+            put("Infinity",gs.get("Infinity"));
+            setSeal(true);
+        }
+        public Object get(Object key) {
+            Object ret = super.get(key);
+            if(ret == null) ret = JS.Math.get(key);
+            return ret;
+        }
+    }
+    private static class XWTString extends JS.Obj {
+        public XWTString() {
+            JS gs = new JS.GlobalScope();
+            put("parseInt",gs.get("parseInt"));
+            put("parseFloat",gs.get("parseFloat"));
+            put("decodeURI",gs.get("decodeURI"));
+            put("decodeURIComponent",gs.get("decodeURIComponent"));
+            put("encodeURI",gs.get("encodeURI"));
+            put("encodeURIComponent",gs.get("encodeURIComponent"));
+            put("escape",gs.get("escape"));
+            put("unescape",gs.get("unescape"));
+            put("fromCharCode",gs.get("stringFromCharCode"));
+            setSeal(true);
+        }
+    }
 }
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