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928bcc8d3a
Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: 09943450 Update SnakeYAML version 5515734f SPIGOT-7162: Incorrect description for Entity#getVehicle javadoc 6f82b381 PR-788: Add getHand() to all relevant events CraftBukkit Changes: aaf484f6f SPIGOT-7163: CraftMerchantRecipe doesn't copy demand and specialPrice from BukkitMerchantRecipe 5329dd6fd PR-1107: Add getHand() to all relevant events 93061706e SPIGOT-7045: Ocelots never spawn with babies with spawn reason OCELOT_BABY
24 lines
1.9 KiB
Diff
24 lines
1.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Jason Penilla <11360596+jpenilla@users.noreply.github.com>
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Date: Tue, 18 Jan 2022 11:07:54 -0700
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Subject: [PATCH] Warn on strange @EventHandler return types
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diff --git a/src/main/java/org/bukkit/plugin/EventExecutor.java b/src/main/java/org/bukkit/plugin/EventExecutor.java
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index 9026e108ccd3a88aee1267ee275137befa646455..e1860322ae0f3c35097d16767628744034941749 100644
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--- a/src/main/java/org/bukkit/plugin/EventExecutor.java
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+++ b/src/main/java/org/bukkit/plugin/EventExecutor.java
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@@ -51,6 +51,12 @@ public interface EventExecutor {
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Preconditions.checkArgument(m.getParameterCount() != 0, "Incorrect number of arguments %s", m.getParameterCount());
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Preconditions.checkArgument(m.getParameterTypes()[0] == eventClass, "First parameter %s doesn't match event class %s", m.getParameterTypes()[0], eventClass);
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ClassDefiner definer = ClassDefiner.getInstance();
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+ if (m.getReturnType() != Void.TYPE) {
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+ final org.bukkit.plugin.java.JavaPlugin plugin = org.bukkit.plugin.java.JavaPlugin.getProvidingPlugin(m.getDeclaringClass());
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+ org.bukkit.Bukkit.getLogger().warning("@EventHandler method " + m.getDeclaringClass().getName() + (Modifier.isStatic(m.getModifiers()) ? '.' : '#') + m.getName()
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+ + " returns non-void type " + m.getReturnType().getName() + ". This is unsupported behavior and will no longer work in a future version of Paper."
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+ + " This should be reported to the developers of " + plugin.getDescription().getFullName() + " (" + String.join(",", plugin.getDescription().getAuthors()) + ')');
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+ }
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if (Modifier.isStatic(m.getModifiers())) {
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return new StaticMethodHandleEventExecutor(eventClass, m);
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} else if (definer.isBypassAccessChecks() || Modifier.isPublic(m.getDeclaringClass().getModifiers()) && Modifier.isPublic(m.getModifiers())) {
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