Paper/patches/api/0003-Allow-use-of-TYPE_USE-annotations.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Riley Park <riley.park@meino.net>
Date: Mon, 21 Jun 2021 09:51:29 -0700
Subject: [PATCH] Allow use of TYPE_USE annotations


diff --git a/src/test/java/org/bukkit/AnnotationTest.java b/src/test/java/org/bukkit/AnnotationTest.java
index 0c7377247ad9251c9e498039511e7220370aba2d..2ef6b56642f792d1a648e76e904e61bf7a662f8c 100644
--- a/src/test/java/org/bukkit/AnnotationTest.java
+++ b/src/test/java/org/bukkit/AnnotationTest.java
@@ -66,15 +66,26 @@ public class AnnotationTest {
                     continue;
                 }
 
-                if (mustBeAnnotated(Type.getReturnType(method.desc)) && !isWellAnnotated(method.invisibleAnnotations)) {
+                if (mustBeAnnotated(Type.getReturnType(method.desc)) && !isWellAnnotated(method.invisibleAnnotations) && !isWellAnnotated(method.visibleTypeAnnotations) && !isWellAnnotated(method.invisibleTypeAnnotations)) { // Paper - also check (in)visible type annotations
                     warn(errors, clazz, method, "return value");
                 }
 
                 Type[] paramTypes = Type.getArgumentTypes(method.desc);
                 List<ParameterNode> parameters = method.parameters;
 
+                dancing: // Paper
                 for (int i = 0; i < paramTypes.length; i++) {
                     if (mustBeAnnotated(paramTypes[i]) && !isWellAnnotated(method.invisibleParameterAnnotations == null ? null : method.invisibleParameterAnnotations[i])) {
+                        // Paper start - wheeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
+                        if (method.invisibleTypeAnnotations != null) {
+                            for (final org.objectweb.asm.tree.TypeAnnotationNode invisibleTypeAnnotation : method.invisibleTypeAnnotations) {
+                                final org.objectweb.asm.TypeReference ref = new org.objectweb.asm.TypeReference(invisibleTypeAnnotation.typeRef);
+                                if (ref.getSort() == org.objectweb.asm.TypeReference.METHOD_FORMAL_PARAMETER && ref.getTypeParameterIndex() == i && java.util.Arrays.binarySearch(ACCEPTED_ANNOTATIONS, invisibleTypeAnnotation.desc) >= 0) {
+                                    continue dancing;
+                                }
+                            }
+                        }
+                        // Paper end
                         ParameterNode paramNode = parameters == null ? null : parameters.get(i);
                         String paramName = paramNode == null ? null : paramNode.name;