From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Warrior <50800980+Warriorrrr@users.noreply.github.com> Date: Sat, 19 Nov 2022 19:46:44 +0100 Subject: [PATCH] Add /paper dumplisteners command diff --git a/src/main/java/co/aikar/timings/TimedEventExecutor.java b/src/main/java/co/aikar/timings/TimedEventExecutor.java index be275c25664e0c76123371c6c8fac601f87fa492..8f29c1561ba5916cb5634392edd8bd2a5a294a51 100644 --- a/src/main/java/co/aikar/timings/TimedEventExecutor.java +++ b/src/main/java/co/aikar/timings/TimedEventExecutor.java @@ -81,4 +81,10 @@ public class TimedEventExecutor implements EventExecutor { executor.execute(listener, event); } } + + @Override + @NotNull + public String toString() { + return "TimedEventExecutor['" + this.executor.toString() + "']"; + } } diff --git a/src/main/java/com/destroystokyo/paper/event/executor/MethodHandleEventExecutor.java b/src/main/java/com/destroystokyo/paper/event/executor/MethodHandleEventExecutor.java index 5b28e9b1daba7834af67dbc193dd656bedd9a994..fbebf649e893cf872be9b27091146a7c2f451aca 100644 --- a/src/main/java/com/destroystokyo/paper/event/executor/MethodHandleEventExecutor.java +++ b/src/main/java/com/destroystokyo/paper/event/executor/MethodHandleEventExecutor.java @@ -14,10 +14,12 @@ import org.jetbrains.annotations.NotNull; public class MethodHandleEventExecutor implements EventExecutor { private final Class eventClass; private final MethodHandle handle; + private final Method method; public MethodHandleEventExecutor(@NotNull Class eventClass, @NotNull MethodHandle handle) { this.eventClass = eventClass; this.handle = handle; + this.method = null; } public MethodHandleEventExecutor(@NotNull Class eventClass, @NotNull Method m) { @@ -28,6 +30,7 @@ public class MethodHandleEventExecutor implements EventExecutor { } catch (IllegalAccessException e) { throw new AssertionError("Unable to set accessible", e); } + this.method = m; } @Override @@ -39,4 +42,10 @@ public class MethodHandleEventExecutor implements EventExecutor { SneakyThrow.sneaky(t); } } + + @Override + @NotNull + public String toString() { + return "MethodHandleEventExecutor['" + this.method + "']"; + } } diff --git a/src/main/java/com/destroystokyo/paper/event/executor/StaticMethodHandleEventExecutor.java b/src/main/java/com/destroystokyo/paper/event/executor/StaticMethodHandleEventExecutor.java index c83672427324bd068ed52916f700b68446a226f6..87ea5354808dbbdefbdfc78f352a543f72a0d033 100644 --- a/src/main/java/com/destroystokyo/paper/event/executor/StaticMethodHandleEventExecutor.java +++ b/src/main/java/com/destroystokyo/paper/event/executor/StaticMethodHandleEventExecutor.java @@ -18,6 +18,7 @@ import org.jetbrains.annotations.NotNull; public class StaticMethodHandleEventExecutor implements EventExecutor { private final Class eventClass; private final MethodHandle handle; + private final Method method; public StaticMethodHandleEventExecutor(@NotNull Class eventClass, @NotNull Method m) { Preconditions.checkArgument(Modifier.isStatic(m.getModifiers()), "Not a static method: %s", m); @@ -29,6 +30,7 @@ public class StaticMethodHandleEventExecutor implements EventExecutor { } catch (IllegalAccessException e) { throw new AssertionError("Unable to set accessible", e); } + this.method = m; } @Override @@ -40,4 +42,10 @@ public class StaticMethodHandleEventExecutor implements EventExecutor { SneakyThrow.sneaky(throwable); } } + + @Override + @NotNull + public String toString() { + return "StaticMethodHandleEventExecutor['" + this.method + "']"; + } } diff --git a/src/main/java/org/bukkit/event/HandlerList.java b/src/main/java/org/bukkit/event/HandlerList.java index ed78cca71f83b296d082d0af147ca8d622c7606a..2292bd460ce2be113beb4ba6b4eb19350060f01c 100644 --- a/src/main/java/org/bukkit/event/HandlerList.java +++ b/src/main/java/org/bukkit/event/HandlerList.java @@ -33,6 +33,13 @@ public class HandlerList { */ private static ArrayList allLists = new ArrayList(); + // Paper start + /** + * Event types which have instantiated a {@link HandlerList}. + */ + private static final java.util.Set EVENT_TYPES = java.util.concurrent.ConcurrentHashMap.newKeySet(); + // Paper end + /** * Bake all handler lists. Best used just after all normal event * registration is complete, ie just after all plugins are loaded if @@ -94,6 +101,12 @@ public class HandlerList { * The HandlerList is then added to meta-list for use in bakeAll() */ public HandlerList() { + // Paper start + java.lang.StackWalker.getInstance(java.util.EnumSet.of(java.lang.StackWalker.Option.RETAIN_CLASS_REFERENCE), 4) + .walk(s -> s.filter(f -> Event.class.isAssignableFrom(f.getDeclaringClass())).findFirst()) + .map(f -> f.getDeclaringClass().getName()) + .ifPresent(EVENT_TYPES::add); + // Paper end handlerslots = new EnumMap>(EventPriority.class); for (EventPriority o : EventPriority.values()) { handlerslots.put(o, new ArrayList()); diff --git a/src/main/java/org/bukkit/plugin/EventExecutor.java b/src/main/java/org/bukkit/plugin/EventExecutor.java index 5fa52419f21d8e8b3d8f9aafd248b05774a28348..60e086be70529e0804280b24a2a3e7ae72d8d363 100644 --- a/src/main/java/org/bukkit/plugin/EventExecutor.java +++ b/src/main/java/org/bukkit/plugin/EventExecutor.java @@ -70,9 +70,18 @@ public interface EventExecutor { try { EventExecutor asmExecutor = executorClass.newInstance(); // Define a wrapper to conform to bukkit stupidity (passing in events that don't match and wrapper exception) - return (listener, event) -> { - if (!eventClass.isInstance(event)) return; - asmExecutor.execute(listener, event); + return new EventExecutor() { + @Override + public void execute(@NotNull Listener listener, @NotNull Event event) throws EventException { + if (!eventClass.isInstance(event)) return; + asmExecutor.execute(listener, event); + } + + @Override + @NotNull + public String toString() { + return "ASMEventExecutor['" + m + "']"; + } }; } catch (InstantiationException | IllegalAccessException e) { throw new AssertionError("Unable to initialize generated event executor", e); diff --git a/src/main/java/org/bukkit/plugin/RegisteredListener.java b/src/main/java/org/bukkit/plugin/RegisteredListener.java index 419aec56b0e3fa8bcec2ea7f340caa3456b57d00..3b3d9642a8d63798dc28f2f8df77f0466451cbff 100644 --- a/src/main/java/org/bukkit/plugin/RegisteredListener.java +++ b/src/main/java/org/bukkit/plugin/RegisteredListener.java @@ -78,4 +78,27 @@ public class RegisteredListener { public boolean isIgnoringCancelled() { return ignoreCancelled; } + + // Paper start + /** + * Get the executor for this registration. + * + * @return executor + */ + @NotNull + public EventExecutor getExecutor() { + return this.executor; + } + + @Override + public String toString() { + return "RegisteredListener{" + + "plugin=\"" + this.plugin.getName() + + "\", listener=\"" + this.listener + + "\", executor=\"" + this.executor + + "\", priority=\"" + this.priority.name() + " (" + this.priority.getSlot() + ")" + + "\", ignoringCancelled=" + this.ignoreCancelled + + "}"; + } + // Paper end }