/** coerce an object to a Long */
public static long toLong(Object o) { return toNumber(o).longValue(); }
+ /** coerce an object to an Int */
+ public static int toInt(Object o) { return toNumber(o).intValue(); }
+
/** coerce an object to a Double */
public static double toDouble(Object o) { return toNumber(o).doubleValue(); }
if (o instanceof JS) return ((JS)o).coerceToNumber();
throw new Error("toNumber() got object of type " + o.getClass().getName() + " which we don't know how to handle");
}
-
-
+
+ /** coerce an object to a String */
+ public static String toString(Object o) {
+ if(o == null) return "null";
+ if(o instanceof String) return (String) o;
+ if(o instanceof Integer || o instanceof Long || o instanceof Boolean) return o.toString();
+ if(o instanceof JS) return ((JS)o).coerceToString();
+ if(o instanceof Double || o instanceof Float) {
+ double d = ((Number)o).doubleValue();
+ if((int)d == d) return Integer.toString((int)d);
+ return o.toString();
+ }
+ return o.toString();
+ }
+
// Instance Methods ////////////////////////////////////////////////////////////////////
public abstract Object get(Object key) throws JS.Exn;
public abstract void put(Object key, Object val) throws JS.Exn;
public abstract Object[] keys();
+ public abstract Object callMethod(Object method, JS.Array args, boolean justChecking);
- public Number coerceToNumber() { throw new Error("you cannot coerce a " + this.getClass().getName() + " into a Number"); }
- public String coerceToString() { throw new Error("you cannot coerce a " + this.getClass().getName() + " into a String"); }
- public boolean coerceToBoolean() { throw new Error("you cannot coerce a " + this.getClass().getName() + " into a Boolean"); }
+ public Number coerceToNumber() { return new Integer(0); }
+ public String coerceToString() { throw new JS.Exn("tried to coerce a JavaScript object to a String"); }
+ public boolean coerceToBoolean() { return true; }
+
+ public String typeName() { return "object"; }
// Inner Classes /////////////////////////////////////////////////////////////////////////
public Obj(boolean sealed) { this.sealed = sealed; }
/** a sealed object cannot have its properties modified */
public void setSeal(boolean sealed) { this.sealed = sealed; }
- public Object get(Object key) { return entries.get(key); }
public void put(Object key, Object val) { if (!sealed) entries.put(key, val); }
public Object[] keys() { return(entries.keys()); }
+ public Object get(Object key) {
+ if(callMethod((String)key,null,true) == Boolean.TRUE)
+ return new Internal.CallableStub(this,key);
+ return entries.get(key);
+ }
+ public Object callMethod(Object method, JS.Array args, boolean checkOnly) throws JS.Exn {
+ if(checkOnly) return Boolean.FALSE;
+ Object o = get(method);
+ if(o instanceof JS.Callable) {
+ return ((JS.Callable)o).call(args);
+ } else if(o == null) {
+ throw new JS.Exn("Attempted to call non-existent method: " + method);
+ } else {
+ throw new JS.Exn("Attempted to call a non-method: " +method);
+ }
+ }
}
/** An exception which can be thrown and caught by JavaScript code */
super(sourceName, firstLine, sourceCode, scope);
}
}
+
+ /** a scope that is populated with js objects and functions normally found in the global scope */
+ public static class GlobalScope extends GlobalScopeImpl {
+ public GlobalScope() { this(null); }
+ public GlobalScope(JS.Scope parent) { super(parent); }
+ }
public static final JS Math = new org.xwt.js.Math();
CompiledFunction currentCompiledFunction = null;
Vec stack = new Vec();
- int line = -1;
+ int pc;
/** binds this thread to the current Java Thread */
public void bindToCurrentJavaThread() { javaThreadToJSThread.put(java.lang.Thread.currentThread(), this); }
/** returns the line of code that is currently executing */
- public int getLine() { return line; }
+ public int getLine() { return currentCompiledFunction == null ? -1 : currentCompiledFunction.getLine(pc); }
/** returns the name of the source code file which declared the currently executing function */
public String getSourceName() { return currentCompiledFunction == null ? null : currentCompiledFunction.getSourceName(); }
return ret;
}
+ public static JS.Thread currentJSThread() {
+ return fromJavaThread(java.lang.Thread.currentThread());
+ }
}
}