X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;ds=sidebyside;f=src%2Forg%2Fibex%2Fjs%2FJS.java;h=65ba3f63c420e5ba0bd6055d4effe080c7478fb2;hb=85c8f402be33df8440511492fb597fba9c2eb45f;hp=96ab988b48d7b69968b4a64acd6f8633afdf2984;hpb=e471904257ff52be6a0b77cd5946cb4219e36da5;p=org.ibex.core.git diff --git a/src/org/ibex/js/JS.java b/src/org/ibex/js/JS.java index 96ab988..65ba3f6 100644 --- a/src/org/ibex/js/JS.java +++ b/src/org/ibex/js/JS.java @@ -28,7 +28,6 @@ public abstract class JS { throw new JSExn("method not found (" + JS.debugToString(method) + ")"); } - // FIXME: JSArgs objects, pointers into stack frame public JS call(JS a0, JS a1, JS a2, JS[] rest, int nargs) throws JSExn { throw new JSExn("you cannot call this object (class=" + this.getClass().getName() +")"); } @@ -42,9 +41,10 @@ public abstract class JS { Trap getTrap(JS key) { return null; } void putTrap(JS key, Trap value) throws JSExn { throw new JSExn("traps cannot be placed on this object (class=" + this.getClass().getName() +")"); } String coerceToString() throws JSExn { throw new JSExn("can't coerce to a string (class=" + getClass().getName() +")"); } + String debugToString() { return "[class=" + getClass().getName() + "]"; } boolean jsequals(JS o) { return this == o; } - public static class O extends JS { + public static class O extends JS implements Cloneable { private Hash entries; public Enumeration keys() throws JSExn { return entries == null ? (Enumeration)EMPTY_ENUMERATION : (Enumeration)new JavaEnumeration(null,entries.keys()); } @@ -74,18 +74,12 @@ public abstract class JS { public final void replaceNode(int index, Object o) { bt().replaceNode(index,o); } public final int indexNode(Object o) { return bt().indexNode(o); } } - - // FEATURE: JS.StringKeys - /* public static StringKeys extends JS { - public JS get(JS key) { return JS.isString(key) ? get(JS.toString(key) : null; } - ... - */ - + JS _unclone() { return this; } public interface Cloneable { } - public static class Clone extends JS.O implements Cloneable { + public static class Clone extends JS.O { protected final JS clonee; JS _unclone() { return clonee.unclone(); } public JS getClonee() { return clonee; } @@ -95,8 +89,8 @@ public abstract class JS { } public boolean jsequals(JS o) { return unclone().jsequals(o.unclone()); } public Enumeration keys() throws JSExn { return clonee.keys(); } - public JS get(JS key) throws JSExn { return clonee.get(key); } - public void put(JS key, JS val) throws JSExn { clonee.put(key, val); } + public JS get(JS key) throws JSExn { return clonee.getAndTriggerTraps(key); } + public void put(JS key, JS val) throws JSExn { clonee.putAndTriggerTraps(key, val); } public JS callMethod(JS method, JS a0, JS a1, JS a2, JS[] rest, int nargs) throws JSExn { return clonee.callMethod(method, a0, a1, a2, rest, nargs); } @@ -120,7 +114,7 @@ public abstract class JS { public final JS nextElement() throws JSExn { return !done ? _nextElement() : parent != null ? parent.nextElement() : null; } public JS get(JS key) throws JSExn { - //#switch(JS.toString(key)) + //#jswitch(key) case "hasMoreElements": return B(hasMoreElements()); case "nextElement": return nextElement(); //#end @@ -209,7 +203,7 @@ public abstract class JS { public static String debugToString(JS o) { try { return toString(o); } - catch(JSExn e) { return "[class=" + o.getClass().getName() + "]"; } + catch(JSExn e) { return o.debugToString(); } } public static boolean isInt(JS o) { @@ -300,15 +294,21 @@ public abstract class JS { /** performs a put, triggering traps if present; traps are run in an unpauseable interpreter */ public void putAndTriggerTraps(JS key, JS value) throws JSExn { Trap t = getTrap(key); - if (t != null) t.invoke(value); - else put(key, value); + if(t == null || (t = t.writeTrap()) == null) put(key,value); + else new Interpreter(t,value,false).resume(); } /** performs a get, triggering traps if present; traps are run in an unpauseable interpreter */ public JS getAndTriggerTraps(JS key) throws JSExn { Trap t = getTrap(key); - if (t != null) return t.invoke(); - else return get(key); + if (t == null || (t = t.readTrap()) == null) return get(key); + else return new Interpreter(t,null,false).resume(); + } + + public JS justTriggerTraps(JS key, JS value) throws JSExn { + Trap t = getTrap(key); + if(t == null || (t = t.writeTrap()) == null) return value; + else return new Interpreter(t,value,true).resume(); } /** adds a trap, avoiding duplicates */ @@ -323,7 +323,7 @@ public abstract class JS { final void delTrap(JS key, JSFunction f) throws JSExn { Trap t = (Trap)getTrap(key); if (t == null) return; - if (t.f == f) { putTrap(t.name, t.next); return; } + if (t.f == f) { putTrap(t.target, t.next); return; } for(; t.next != null; t = t.next) if (t.next.f == f) { t.next = t.next.next; return; } }