Fix change being called without calling acceptChange in some cases (#123)

* Try to fix change problems of #122

* Try new approach for handling exceptional changes

---------

Co-authored-by: Pikachu920 <[email protected]>

Author: Maple-YZ

src/main/java/com/btk5h/skriptmirror/skript/custom/ExprRawExpression.java

@@ -8,6 +8,7 @@
 import ch.njol.skript.lang.util.SimpleExpression;
 import ch.njol.util.Kleenean;
 import com.btk5h.skriptmirror.WrappedEvent;
+import com.btk5h.skriptmirror.skript.reflect.ExprJavaCall;
 import com.btk5h.skriptmirror.util.SkriptUtil;
 import org.bukkit.event.Event;
 
@@ -56,13 +57,19 @@ public void change(Event event, Object[] delta, Changer.ChangeMode changeMode) {
       return;
     Expression<?> source = expr.getSource();
 
-    event = ((WrappedEvent) event).getDirectEvent();
-    source.change(event, delta, changeMode);
+    Event unwrappedEvent = ((WrappedEvent) event).getDirectEvent();
+    // Ensure acceptChange has been called before change
+    try {
+      source.acceptChange(changeMode);
+      source.change(unwrappedEvent, delta, changeMode);
+    } catch (Throwable throwable) {
+      ExprJavaCall.lastError = throwable;
+    }
   }
 
   @Override
-  public String toString(Event e, boolean debug) {
-    return "raw " + expr.toString(e, debug);
+  public String toString(Event event, boolean debug) {
+    return "raw " + expr.toString(event, debug);
   }
 
   @Override

src/main/java/com/btk5h/skriptmirror/skript/reflect/ExprJavaCall.java

@@ -87,7 +87,7 @@ public String toString() {
     }
   }
 
-  static Throwable lastError;
+  public static Throwable lastError;
 
   private final LRUCache<Descriptor, Collection<MethodHandle>> callSiteCache = new LRUCache<>(8);