put("tempDir", System.getProperty("java.io.tempdir"));
put("math", new JS.Obj() { public Object get(Object name) {
- if ("ceil".equals(name)) return new JS.Function() { public Object _call(JS.Array args)
+ if ("ceil".equals(name)) return new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args)
{ if (args.elementAt(0) == null) return null;
return new Long((long)Math.ceil(Double.parseDouble(args.elementAt(0).toString()))); } };
- else if ("floor".equals(name)) return new JS.Function() { public Object _call(JS.Array args)
+ else if ("floor".equals(name)) return new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args)
{ if (args.elementAt(0) == null) return null;
return new Long((long)Math.floor(Double.parseDouble(args.elementAt(0).toString()))); } };
- else if ("round".equals(name)) return new JS.Function() { public Object _call(JS.Array args)
+ else if ("round".equals(name)) return new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args)
{ if (args.elementAt(0) == null) return null;
return new Long((long)Math.round(Double.parseDouble(args.elementAt(0).toString()))); } };
- else if ("abs".equals(name)) return new JS.Function() { public Object _call(JS.Array args)
+ else if ("abs".equals(name)) return new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args)
{ if (args.elementAt(0) == null) return null;
return new Long((long)Math.abs(Double.parseDouble(args.elementAt(0).toString()))); } };
- else if ("min".equals(name)) return new JS.Function() { public Object _call(JS.Array args) {
+ else if ("min".equals(name)) return new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args) {
if (args.length() < 2 || args.elementAt(0) == null || args.elementAt(1) == null) return args.elementAt(0);
return new Double(Math.min(((Number)args.elementAt(0)).doubleValue(),
((Number)args.elementAt(1)).doubleValue())); } };
- else if ("max".equals(name)) return new JS.Function() { public Object _call(JS.Array args) {
+ else if ("max".equals(name)) return new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args) {
if (args.length() < 2) return args.elementAt(0);
return new Double(Math.max(((Number)args.elementAt(0)).doubleValue(),
((Number)args.elementAt(1)).doubleValue())); } };
- else if ("cos".equals(name)) return new JS.Function() { public Object _call(JS.Array args) {
+ else if ("cos".equals(name)) return new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args) {
return new Double(Math.cos(((Number)args.elementAt(0)).doubleValue())); } };
- else if ("sin".equals(name)) return new JS.Function() { public Object _call(JS.Array args) {
+ else if ("sin".equals(name)) return new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args) {
return new Double(Math.sin(((Number)args.elementAt(0)).doubleValue())); } };
- else if ("tan".equals(name)) return new JS.Function() { public Object _call(JS.Array args) {
+ else if ("tan".equals(name)) return new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args) {
return new Double(Math.tan(((Number)args.elementAt(0)).doubleValue())); } };
- else if ("acos".equals(name)) return new JS.Function() { public Object _call(JS.Array args) {
+ else if ("acos".equals(name)) return new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args) {
return new Double(Math.acos(((Number)args.elementAt(0)).doubleValue())); } };
- else if ("asin".equals(name)) return new JS.Function() { public Object _call(JS.Array args) {
+ else if ("asin".equals(name)) return new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args) {
return new Double(Math.asin(((Number)args.elementAt(0)).doubleValue())); } };
- else if ("atan".equals(name)) return new JS.Function() { public Object _call(JS.Array args) {
+ else if ("atan".equals(name)) return new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args) {
return new Double(Math.atan(((Number)args.elementAt(0)).doubleValue())); } };
+ else if ("sqrt".equals(name)) return new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args) {
+ return new Double(Math.sqrt(((Number)args.elementAt(0)).doubleValue())); } };
return null;
}});
- put("newBrowserWindow", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
+ put("newBrowserWindow", new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args) throws JS.Exn {
if (args.length() != 1 || args.elementAt(0) == null) return null;
Platform.newBrowserWindow(args.elementAt(0).toString());
return null;
}});
- put("parseFloat", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
+ put("parseFloat", new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args) throws JS.Exn {
if (args.length() != 1 || args.elementAt(0) == null) return null;
return new Float(args.elementAt(0).toString());
}});
- put("parseInt", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
+ put("parseInt", new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args) throws JS.Exn {
if (args.length() != 1 || args.elementAt(0) == null) return null;
return new Float(args.elementAt(0).toString());
}});
- put("yield", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
+ put("yield", new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args) throws JS.Exn {
sleep(0);
return null;
}});
- put("theme", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
+ put("theme", new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args) throws JS.Exn {
if (args.length() != 2) return null;
if (args.elementAt(0) == null || args.elementAt(1) == null) return null;
for(int i=1; i<args.length(); i++) {
return null;
}});
- put("println", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
+ put("println", new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args) throws JS.Exn {
if (args.length() != 1) return null;
if (Log.on) Log.log(this, JS.getFileAndLine() + " " +
(args.elementAt(0) == null ? "**null**" : args.elementAt(0).toString()));
return null;
}});
- put("date", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
+ put("date", new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args) throws JS.Exn {
Log.log(XWT.class, "date not implemented");
//throw new Error("not implemented");
return null;
}});
- put("regexp", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
+ put("regexp", new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args) throws JS.Exn {
//throw new Error("not implemented");
Log.log(XWT.class, "regexp not implemented");
return null;
}});
- put("listfonts", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
+ put("listfonts", new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args) throws JS.Exn {
Object[] fonts = Platform.listFonts();
JS.Array ret = new JS.Array();
for(int i=0; i<fonts.length; i++) ret.addElement(fonts[i]);
return ret;
}});
- put("xmlrpc", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
+ put("xmlrpc", new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args) throws JS.Exn {
if (args.length() != 1 || args.elementAt(0) == null) return null;
return new XMLRPC(args.elementAt(0).toString(), "");
}});
- put("soap", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
+ put("soap", new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args) throws JS.Exn {
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 return null;
}});
- put("textwidth", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
+ put("textwidth", new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args) throws JS.Exn {
if (args.length() < 1 || args.length() > 2) return null;
if (args.elementAt(0) == null || (args.length() == 2 && args.elementAt(1) == null)) return null;
String font = args.length() == 1 ? Platform.getDefaultFont() : args.elementAt(0).toString();
else return new Integer(xwf.stringWidth(text));
}});
- put("textheight", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
+ put("textheight", new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args) throws JS.Exn {
if (args.length() > 1) return null;
if (args.length() == 1 && args.elementAt(0) == null) return null;
String font = args.length() == 0 || args.elementAt(0) == null ? Platform.getDefaultFont() : args.elementAt(0).toString();
else return new Integer(xwf.getMaxAscent() + xwf.getMaxDescent());
}});
- put("newBox", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
+ put("newBox", new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args) throws JS.Exn {
if (args.length() > 0) Log.log(XWT.class, "DEPRECATED: xwt.newBox() with multiple arguments is deprecated; use xwt.newBox().apply()");
JS.Function callback = null;
for(int i=1; i<args.length(); i++)
return ret;
}});
- put("sleep", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
+ put("sleep", new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args) throws JS.Exn {
if (args != null && (args.length() != 1 || args.elementAt(0) == null)) return null;
int i = args == null ? 0 : SpecialBoxProperty.stoi(args.elementAt(0).toString());
sleep(i);
return null;
}});
- put("openFile", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
+ put("openFile", new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args) throws JS.Exn {
if (args.length() != 1) return null;
String file = Platform.fileDialog(args.elementAt(0).toString(), false);
return file == null ? null : new ByteStream(file);
}});
- put("saveFile", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
+ put("saveFile", new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args) throws JS.Exn {
if (args.length() != 2) return null;
if (!(args.elementAt(1) instanceof ByteStream)) return null;
String file = args.elementAt(0).toString();
}
}});
- put("saveFileAs", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
+ put("saveFileAs", new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args) throws JS.Exn {
if (args.length() != 2) return null;
if (!(args.elementAt(1) instanceof ByteStream)) return null;
String file = args.elementAt(0).toString();
}
}});
- put("utfEncode", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
+ put("utfEncode", new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args) throws JS.Exn {
if (args == null || args.length() != 1) return null;
return new ByteStream(args.elementAt(0).toString().getBytes());
}});
- put("parseHTML", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
+ put("parseHTML", new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args) throws JS.Exn {
if (args == null || args.length() != 1 || args.elementAt(0) == null) return null;
try {
if (args.elementAt(0) instanceof ByteStream) {
}
});
- put("recursivePrintObject", new JS.Function() { public Object _call(JS.Array args) {
+ put("recursivePrintObject", new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args) {
if (args.length() != 1) return null;
recurse("", "", args.elementAt(0));
return null;
}});
- put("loadArchive", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
+ put("loadArchive", new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args) throws JS.Exn {
if (!ThreadMessage.suspendThread()) return null;
try {
if (args == null || args.length() < 1 || args.elementAt(0) == null) return null;
return null;
}});
- put("prefetchImage", new JS.Function() { public Object _call(JS.Array args) throws JS.Exn {
+ put("prefetchImage", new JS.Function(-1, "java", null, null) { public Object _call(JS.Array args) throws JS.Exn {
if (args == null || args.length() < 1 || args.elementAt(0) == null) return null;
Box.getImage(args.elementAt(0).toString(),
args.length() > 1 && args.elementAt(1) instanceof JS.Function ? (JS.Function)args.elementAt(1) : null);
return this;
}
- public Object eval(final JS.Scope s, Vec t) throws ControlTransferException {
-
- for(int i=0; i<size; i++) {
+ public void eval(JS.Scope s) throws ControlTransferException {
+ Vec t = Context.getContextForCurrentThread().stack;
+ OUTER: for(int i=0; i<size; i++) {
switch(op[i]) {
case LABEL: break;
case LITERAL: t.push(arg[i]); break;
case SWAP: { Object o1 = t.pop(); Object o2 = t.pop(); t.push(o1); t.push(o2); break; }
case DUP: t.push(t.peek()); break;
- // FIXME: shouldn't need its own stack
- case SCOPE: t.push(((ByteCodeBlock)arg[i]).eval(new JS.Scope(s), new Vec())); break;
+ case PUSHSCOPE: s = new JS.Scope(s); break;
+ case POPSCOPE: s = s.getParentScope(); break;
case ASSERT: if (!JS.toBoolean(t.pop())) throw new EvaluatorException(line, sourceName, "assertion failed"); break;
- case RETURN: throw new ReturnException(t.pop());
+ case RETURN: {
+ Object retval = t.pop();
+ while(t.size() > 0) {
+ Object o = t.pop();
+ if (o != null && o instanceof Context.CallMarker) {
+ t.push(retval);
+ return;
+ }
+ }
+ throw new Error("error: RETURN invoked but couldn't find a CallMarker!");
+ }
+
case THROW: throw new JS.Exn(t.pop());
case TRY: break;
+ case TYPEOF: break; // FIXME: implement
- // FIXME: implement
- case TYPEOF: break;
-
- case BREAK: return Boolean.FALSE;
- case CONTINUE: return Boolean.TRUE;
case BITNOT: t.push(new Long(~JS.toLong(t.pop()))); break;
case BANG: t.push(new Boolean(!JS.toBoolean(t.pop()))); break;
}
case LOOP: {
+ t.push(s);
+ t.push(new Context.LoopMarker(i));
+ t.push(Boolean.TRUE);
+ break;
+ }
+
+ case BREAK:
+ case CONTINUE:
+ while(t.size() > 0) {
+ Object o = t.pop();
+ if (o != null && o instanceof Context.LoopMarker) {
+ int loopInstructionLocation = ((Context.LoopMarker)o).location;
+ int endOfLoop = ((Integer)arg[loopInstructionLocation]).intValue() + loopInstructionLocation;
+ s = (JS.Scope)t.pop();
+ if (op[i] == CONTINUE) { t.push(s); t.push(o); t.push(Boolean.FALSE); }
+ i = op[i] == BREAK ? endOfLoop - 1 : loopInstructionLocation;
+ continue OUTER;
+ }
+ }
+ throw new Error("CONTINUE/BREAK invoked but couldn't find a LoopMarker at " + sourceName + ":" + line);
+
+ /*
ByteCodeBlock loop = (ByteCodeBlock)arg[i];
Vec stack2 = new Vec();
- stack2.push(Boolean.TRUE);
- while (true) {
- Boolean result;
- try { result = (Boolean)loop.eval(new JS.Scope(s), stack2);
- } catch (ContinueException c) { result = Boolean.TRUE;
- } catch (BreakException b) { result = Boolean.FALSE; }
- if (result == Boolean.FALSE) break;
- stack2 = new Vec();
- stack2.push(Boolean.FALSE);
- }
+ Context cur = Context.getContextForCurrentThread();
+ boolean first = true;
+ try {
+ while (true) {
+ Boolean result;
+ try {
+ Context cx = new Context();
+ cx.bindToCurrentThread();
+ cx.stack.push(new Boolean(first));
+ loop.eval(new JS.Scope(s));
+ result = (Boolean)cx.stack.pop();
+ } catch (ContinueException c) { result = Boolean.TRUE;
+ } catch (BreakException b) { result = Boolean.FALSE;
+ }
+ first = false;
+ if (result == Boolean.FALSE) break;
+ }
+ } finally {
+ cur.bindToCurrentThread();
+ }
break;
}
+ */
case PUT: {
Object val = t.pop();
Object key = t.pop();
- JS target = (JS)t.peek();
+ Object target = t.peek();
if (target == null)
throw new JS.Exn(sourceName + ":" + line + ": tried to put a value to the " + key +
" property on the null value");
- target.put(key, val);
+ if (!(target instanceof JS))
+ throw new JS.Exn(sourceName + ":" + line + ": tried to put a value to the " + key +
+ " property on a " + target.getClass().getName());
+ ((JS)target).put(key, val);
t.push(val);
break;
}
} }
}
}
- if (t.size() != 1) throw new Error("eval() terminated with " + t.size() + " elements on the stack; one expected");
- return t.pop();
}
public Object doGet(final Object o, final Object v) {