class Trap {
JS trapee = null; ///< the box on which this trap was placed
- Object name = null; ///< the property that the trap was placed on
+ JS name = null; ///< the property that the trap was placed on
JSFunction f = null; ///< the function for this trap
Trap next = null; ///< the next trap down the trap stack
- Trap(JS b, String n, JSFunction f, Trap nx) {
+ Trap(JS b, JS n, JSFunction f, Trap nx) {
trapee = b; name = n; this.f = f; this.next = nx;
}
- private static final JSFunction putInvoker = new JSFunction("putInvoker", 0, null);
- private static final JSFunction getInvoker = new JSFunction("getInvoker", 0, null);
+ static final JSFunction putInvoker = new JSFunction("putInvoker", 0, null);
+ static final JSFunction getInvoker = new JSFunction("getInvoker", 0, null);
static {
putInvoker.add(1, ByteCodes.PUT, null);
getInvoker.add(2, Tokens.RETURN, null);
}
- void invoke(Object value) throws JSExn {
+ boolean readTrap() { return f.numFormalArgs == 0; }
+ boolean writeTrap() { return f.numFormalArgs != 0; }
+
+ void invoke(JS value) throws JSExn {
Interpreter i = new Interpreter(putInvoker, false, null);
i.stack.push(trapee);
i.stack.push(name);
i.resume();
}
- Object invoke() throws JSExn {
+ JS invoke() throws JSExn {
Interpreter i = new Interpreter(getInvoker, false, null);
i.stack.push(trapee);
i.stack.push(name);
}
// FIXME: review; is necessary?
- static class TrapScope extends JSScope {
+ /*static class TrapScope extends JSScope {
Trap t;
Object val = null;
boolean cascadeHappened = false;
if (key.equals("trapname")) return t.name;
return super.get(key);
}
- }
+ }*/
}