Merge remote-tracking branch 'lombok/master' into feature/typeInferenceImprovements

12 files changed, 136 insertions, 27 deletions

diff --git a/src/core/lombok/core/AgentLauncher.java b/src/core/lombok/core/AgentLauncher.java
index 1d5ab3e6..5b5af7ba 100644
--- a/src/core/lombok/core/AgentLauncher.java
+++ b/src/core/lombok/core/AgentLauncher.java
@@ -22,6 +22,7 @@
 package lombok.core;
 
 import java.lang.instrument.Instrumentation;
+import java.lang.reflect.InvocationTargetException;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
@@ -35,9 +36,10 @@ public class AgentLauncher {
 		for (AgentInfo info : AGENTS) {
 			try {
 				Class<?> agentClass = Class.forName(info.className());
-				AgentLaunchable agent = (AgentLaunchable) agentClass.newInstance();
+				AgentLaunchable agent = (AgentLaunchable) agentClass.getConstructor().newInstance();
 				agent.runAgent(agentArgs, instrumentation, injected, launchingContext);
 			} catch (Throwable t) {
+				if (t instanceof InvocationTargetException) t = t.getCause();
 				info.problem(t, instrumentation);
 			}
 		}
diff --git a/src/core/lombok/core/AnnotationProcessor.java b/src/core/lombok/core/AnnotationProcessor.java
index 363952a4..46e3b1af 100644
--- a/src/core/lombok/core/AnnotationProcessor.java
+++ b/src/core/lombok/core/AnnotationProcessor.java
@@ -112,7 +112,7 @@ public class AnnotationProcessor extends AbstractProcessor {
 			
 			try {
 				ClassLoader classLoader = findAndPatchClassLoader(javacProcEnv);
-				processor = (Processor) Class.forName("lombok.javac.apt.LombokProcessor", false, classLoader).newInstance();
+				processor = (Processor) Class.forName("lombok.javac.apt.LombokProcessor", false, classLoader).getConstructor().newInstance();
 			} catch (Exception e) {
 				delayedWarnings.add("You found a bug in lombok; lombok.javac.apt.LombokProcessor is not available. Lombok will not run during this compilation: " + trace(e));
 				return false;
diff --git a/src/core/lombok/core/Version.java b/src/core/lombok/core/Version.java
index c300ec39..e3d7368e 100644
--- a/src/core/lombok/core/Version.java
+++ b/src/core/lombok/core/Version.java
@@ -30,9 +30,9 @@ public class Version {
 	// ** CAREFUL ** - this class must always compile with 0 dependencies (it must not refer to any other sources or libraries).
 	// Note: In 'X.Y.Z', if Z is odd, its a snapshot build built from the repository, so many different 0.10.3 versions can exist, for example.
 	// Official builds always end in an even number. (Since 0.10.2).
-	private static final String VERSION = "1.18.7";
-	private static final String RELEASE_NAME = "Edgy Guinea Pig";
-//	private static final String RELEASE_NAME = "Envious Ferret";
+	private static final String VERSION = "1.18.8";
+//	private static final String RELEASE_NAME = "Edgy Guinea Pig";
+	private static final String RELEASE_NAME = "Envious Ferret";
 	
 	// Named version history:
 	//   Angry Butterfly
diff --git a/src/core/lombok/core/handlers/HandlerUtil.java b/src/core/lombok/core/handlers/HandlerUtil.java
index 64d17cd9..6e28f65d 100644
--- a/src/core/lombok/core/handlers/HandlerUtil.java
+++ b/src/core/lombok/core/handlers/HandlerUtil.java
@@ -76,7 +76,7 @@ public class HandlerUtil {
 		return 43;
 	}
 	
-	public static final List<String> NONNULL_ANNOTATIONS, BASE_COPYABLE_ANNOTATIONS;
+	public static final List<String> NONNULL_ANNOTATIONS, BASE_COPYABLE_ANNOTATIONS, COPY_TO_SETTER_ANNOTATIONS;
 	static {
 		NONNULL_ANNOTATIONS = Collections.unmodifiableList(Arrays.asList(new String[] {
 			"android.annotation.NonNull",
@@ -92,7 +92,7 @@ public class HandlerUtil {
 			"org.jetbrains.annotations.NotNull",
 			"org.jmlspecs.annotation.NonNull",
 			"org.netbeans.api.annotations.common.NonNull",
-			"org.springframework.lang.NonNull"
+			"org.springframework.lang.NonNull",
 		}));
 		BASE_COPYABLE_ANNOTATIONS = Collections.unmodifiableList(Arrays.asList(new String[] {
 			"android.support.annotation.NonNull",
@@ -298,8 +298,11 @@ public class HandlerUtil {
 			"org.jetbrains.annotations.NotNull",
 			"org.jetbrains.annotations.Nullable",
 			"org.springframework.lang.NonNull",
-			"org.springframework.lang.Nullable"
+			"org.springframework.lang.Nullable",
 		}));
+		COPY_TO_SETTER_ANNOTATIONS = Collections.unmodifiableList(Arrays.asList(new String[] {
+				"com.fasterxml.jackson.annotation.JsonProperty",
+			}));
 	}
 	
 	/** Checks if the given name is a valid identifier.
diff --git a/src/core/lombok/eclipse/handlers/EclipseHandlerUtil.java b/src/core/lombok/eclipse/handlers/EclipseHandlerUtil.java
index 438314ca..1e791341 100644
--- a/src/core/lombok/eclipse/handlers/EclipseHandlerUtil.java
+++ b/src/core/lombok/eclipse/handlers/EclipseHandlerUtil.java
@@ -649,6 +649,15 @@ public class EclipseHandlerUtil {
 		return result == null ? null : result.toArray(new Annotation[0]);
 	}
 	
+	public static Annotation[] mergeAnnotations(Annotation[] a, Annotation[] b) {
+		if (a == null || a.length == 0) return (b == null || b.length == 0) ? null : b;
+		if (b == null || b.length == 0) return a.length == 0 ? null : a;
+		Annotation[] c = new Annotation[a.length + b.length];
+		System.arraycopy(a, 0, c, 0, a.length);
+		System.arraycopy(b, 0, c, a.length, b.length);
+		return c;
+	}
+	
 	public static boolean hasAnnotation(Class<? extends java.lang.annotation.Annotation> type, EclipseNode node) {
 		if (node == null) return false;
 		if (type == null) return false;
@@ -725,6 +734,17 @@ public class EclipseHandlerUtil {
 		return false;
 	}
 	
+	public static boolean hasNonNullAnnotations(EclipseNode node, List<Annotation> anns) {
+		if (anns == null) return false;
+		for (Annotation annotation : anns) {
+			TypeReference typeRef = annotation.type;
+			if (typeRef != null && typeRef.getTypeName() != null) {
+				for (String bn : NONNULL_ANNOTATIONS) if (typeMatches(bn, node, typeRef)) return true;
+			}
+		}
+		return false;
+	}
+	
 	private static final Annotation[] EMPTY_ANNOTATIONS_ARRAY = new Annotation[0];
 	
 	/**
@@ -755,6 +775,26 @@ public class EclipseHandlerUtil {
 	}
 	
 	/**
+	 * Searches the given field node for annotations that are specifically intentioned to be copied to the setter.
+	 */
+	public static Annotation[] findCopyableToSetterAnnotations(EclipseNode node) {
+		AbstractVariableDeclaration avd = (AbstractVariableDeclaration) node.get();
+		if (avd.annotations == null) return EMPTY_ANNOTATIONS_ARRAY;
+		List<Annotation> result = new ArrayList<Annotation>();
+		
+		for (Annotation annotation : avd.annotations) {
+			TypeReference typeRef = annotation.type;
+			if (typeRef != null && typeRef.getTypeName() != null) {
+				for (String bn : COPY_TO_SETTER_ANNOTATIONS) if (typeMatches(bn, node, typeRef)) {
+					result.add(annotation);
+					break;
+				}
+			}
+		}
+		return result.toArray(EMPTY_ANNOTATIONS_ARRAY);
+	}
+	
+	/**
 	 * Checks if the provided annotation type is likely to be the intended type for the given annotation node.
 	 * 
 	 * This is a guess, but a decent one.
diff --git a/src/core/lombok/eclipse/handlers/HandleBuilder.java b/src/core/lombok/eclipse/handlers/HandleBuilder.java
index 4659e9a3..96431a83 100755
--- a/src/core/lombok/eclipse/handlers/HandleBuilder.java
+++ b/src/core/lombok/eclipse/handlers/HandleBuilder.java
@@ -476,7 +476,7 @@ public class HandleBuilder extends EclipseAnnotationHandler<Builder> {
 		}
 		
 		for (BuilderFieldData bfd : builderFields) {
-			makeSetterMethodsForBuilder(builderType, bfd, annotationNode, fluent, chain, accessForInners);
+			makeSetterMethodsForBuilder(builderType, bfd, annotationNode, fluent, chain, accessForInners, bfd.originalFieldNode);
 		}
 		
 		{
@@ -802,16 +802,16 @@ public class HandleBuilder extends EclipseAnnotationHandler<Builder> {
 	
 	private static final AbstractMethodDeclaration[] EMPTY = {};
 	
-	public void makeSetterMethodsForBuilder(EclipseNode builderType, BuilderFieldData bfd, EclipseNode sourceNode, boolean fluent, boolean chain, AccessLevel access) {
+	public void makeSetterMethodsForBuilder(EclipseNode builderType, BuilderFieldData bfd, EclipseNode sourceNode, boolean fluent, boolean chain, AccessLevel access, EclipseNode originalFieldNode) {
 		boolean deprecate = isFieldDeprecated(bfd.originalFieldNode);
 		if (bfd.singularData == null || bfd.singularData.getSingularizer() == null) {
-			makeSimpleSetterMethodForBuilder(builderType, deprecate, bfd.createdFields.get(0), bfd.nameOfSetFlag, sourceNode, fluent, chain, bfd.annotations, access);
+			makeSimpleSetterMethodForBuilder(builderType, deprecate, bfd.createdFields.get(0), bfd.nameOfSetFlag, sourceNode, fluent, chain, bfd.annotations, access, originalFieldNode);
 		} else {
 			bfd.singularData.getSingularizer().generateMethods(bfd.singularData, deprecate, builderType, fluent, chain, access);
 		}
 	}
 	
-	private void makeSimpleSetterMethodForBuilder(EclipseNode builderType, boolean deprecate, EclipseNode fieldNode, char[] nameOfSetFlag, EclipseNode sourceNode, boolean fluent, boolean chain, Annotation[] annotations, AccessLevel access) {
+	private void makeSimpleSetterMethodForBuilder(EclipseNode builderType, boolean deprecate, EclipseNode fieldNode, char[] nameOfSetFlag, EclipseNode sourceNode, boolean fluent, boolean chain, Annotation[] annotations, AccessLevel access, EclipseNode originalFieldNode) {
 		TypeDeclaration td = (TypeDeclaration) builderType.get();
 		AbstractMethodDeclaration[] existing = td.methods;
 		if (existing == null) existing = EMPTY;
@@ -827,8 +827,11 @@ public class HandleBuilder extends EclipseAnnotationHandler<Builder> {
 		
 		String setterName = fluent ? fieldNode.getName() : HandlerUtil.buildAccessorName("set", fieldNode.getName());
 		
+		List<Annotation> methodAnnsList = Collections.<Annotation>emptyList();
+		Annotation[] methodAnns = EclipseHandlerUtil.findCopyableToSetterAnnotations(originalFieldNode);
+		if (methodAnns != null && methodAnns.length > 0) methodAnnsList = Arrays.asList(methodAnns);
 		MethodDeclaration setter = HandleSetter.createSetter(td, deprecate, fieldNode, setterName, nameOfSetFlag, chain, toEclipseModifier(access),
-			sourceNode, Collections.<Annotation>emptyList(), annotations != null ? Arrays.asList(copyAnnotations(sourceNode.get(), annotations)) : Collections.<Annotation>emptyList());
+			sourceNode, methodAnnsList, annotations != null ? Arrays.asList(copyAnnotations(sourceNode.get(), annotations)) : Collections.<Annotation>emptyList());
 		injectMethod(builderType, setter);
 	}
 	
diff --git a/src/core/lombok/eclipse/handlers/HandleSetter.java b/src/core/lombok/eclipse/handlers/HandleSetter.java
index 529a7d19..4ea83cf6 100644
--- a/src/core/lombok/eclipse/handlers/HandleSetter.java
+++ b/src/core/lombok/eclipse/handlers/HandleSetter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2009-2017 The Project Lombok Authors.
+ * Copyright (C) 2009-2019 The Project Lombok Authors.
  * 
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -220,7 +220,7 @@ public class HandleSetter extends EclipseAnnotationHandler<Setter> {
 		if (isFieldDeprecated(fieldNode) || deprecate) {
 			deprecated = new Annotation[] { generateDeprecatedAnnotation(source) };
 		}
-		method.annotations = copyAnnotations(source, onMethod.toArray(new Annotation[0]), deprecated);
+		method.annotations = mergeAnnotations(copyAnnotations(source, onMethod.toArray(new Annotation[0]), deprecated), findCopyableToSetterAnnotations(fieldNode));
 		Argument param = new Argument(field.name, p, copyType(field.type, source), Modifier.FINAL);
 		param.sourceStart = pS; param.sourceEnd = pE;
 		method.arguments = new Argument[] { param };
@@ -238,7 +238,7 @@ public class HandleSetter extends EclipseAnnotationHandler<Setter> {
 		
 		Annotation[] copyableAnnotations = findCopyableAnnotations(fieldNode);
 		List<Statement> statements = new ArrayList<Statement>(5);
-		if (!hasNonNullAnnotations(fieldNode)) {
+		if (!hasNonNullAnnotations(fieldNode) && !hasNonNullAnnotations(fieldNode, onParam)) {
 			statements.add(assignment);
 		} else {
 			Statement nullCheck = generateNullCheck(field, sourceNode);
diff --git a/src/core/lombok/eclipse/handlers/HandleSuperBuilder.java b/src/core/lombok/eclipse/handlers/HandleSuperBuilder.java
index 3a387688..9a86d372 100755
--- a/src/core/lombok/eclipse/handlers/HandleSuperBuilder.java
+++ b/src/core/lombok/eclipse/handlers/HandleSuperBuilder.java
@@ -886,13 +886,13 @@ public class HandleSuperBuilder extends EclipseAnnotationHandler<SuperBuilder> {
 		};
 		
 		if (bfd.singularData == null || bfd.singularData.getSingularizer() == null) {
-			generateSimpleSetterMethodForBuilder(builderType, deprecate, bfd.createdFields.get(0), bfd.nameOfSetFlag, returnTypeMaker.make(), returnStatementMaker.make(), sourceNode, bfd.annotations);
+			generateSimpleSetterMethodForBuilder(builderType, deprecate, bfd.createdFields.get(0), bfd.nameOfSetFlag, returnTypeMaker.make(), returnStatementMaker.make(), sourceNode, bfd.annotations, bfd.originalFieldNode);
 		} else {
 			bfd.singularData.getSingularizer().generateMethods(bfd.singularData, deprecate, builderType, true, returnTypeMaker, returnStatementMaker, AccessLevel.PUBLIC);
 		}
 	}
 
-	private void generateSimpleSetterMethodForBuilder(EclipseNode builderType, boolean deprecate, EclipseNode fieldNode, char[] nameOfSetFlag, TypeReference returnType, Statement returnStatement, EclipseNode sourceNode, Annotation[] annosOnParam) {
+	private void generateSimpleSetterMethodForBuilder(EclipseNode builderType, boolean deprecate, EclipseNode fieldNode, char[] nameOfSetFlag, TypeReference returnType, Statement returnStatement, EclipseNode sourceNode, Annotation[] annosOnParam, EclipseNode originalFieldNode) {
 		TypeDeclaration td = (TypeDeclaration) builderType.get();
 		AbstractMethodDeclaration[] existing = td.methods;
 		if (existing == null) existing = EMPTY_METHODS;
@@ -908,8 +908,11 @@ public class HandleSuperBuilder extends EclipseAnnotationHandler<SuperBuilder> {
 		
 		String setterName = fieldNode.getName();
 		
+		List<Annotation> methodAnnsList = Collections.<Annotation>emptyList();
+		Annotation[] methodAnns = EclipseHandlerUtil.findCopyableToSetterAnnotations(originalFieldNode);
+		if (methodAnns != null && methodAnns.length > 0) methodAnnsList = Arrays.asList(methodAnns);
 		MethodDeclaration setter = HandleSetter.createSetter(td, deprecate, fieldNode, setterName, nameOfSetFlag, returnType, returnStatement, ClassFileConstants.AccPublic,
-			sourceNode, Collections.<Annotation>emptyList(), annosOnParam != null ? Arrays.asList(copyAnnotations(sourceNode.get(), annosOnParam)) : Collections.<Annotation>emptyList());
+			sourceNode, methodAnnsList, annosOnParam != null ? Arrays.asList(copyAnnotations(sourceNode.get(), annosOnParam)) : Collections.<Annotation>emptyList());
 		injectMethod(builderType, setter);
 	}
 	
diff --git a/src/core/lombok/javac/handlers/HandleBuilder.java b/src/core/lombok/javac/handlers/HandleBuilder.java
index 2eaba0fb..d758f602 100644
--- a/src/core/lombok/javac/handlers/HandleBuilder.java
+++ b/src/core/lombok/javac/handlers/HandleBuilder.java
@@ -750,10 +750,11 @@ public class HandleBuilder extends JavacAnnotationHandler<Builder> {
 		
 		JavacTreeMaker maker = fieldNode.getTreeMaker();
 		
-		JCMethodDecl newMethod = HandleSetter.createSetter(toJavacModifier(access), deprecate, fieldNode, maker, setterName, nameOfSetFlag, chain, source, List.<JCAnnotation>nil(), annosOnParam);
+		List<JCAnnotation> methodAnns = JavacHandlerUtil.findCopyableToSetterAnnotations(originalFieldNode);
+		JCMethodDecl newMethod = HandleSetter.createSetter(toJavacModifier(access), deprecate, fieldNode, maker, setterName, nameOfSetFlag, chain, source, methodAnns, annosOnParam);
 		recursiveSetGeneratedBy(newMethod, source.get(), builderType.getContext());
 		copyJavadoc(originalFieldNode, newMethod, CopyJavadoc.SETTER);
-
+		
 		injectMethod(builderType, newMethod);
 	}
 	
diff --git a/src/core/lombok/javac/handlers/HandleSetter.java b/src/core/lombok/javac/handlers/HandleSetter.java
index 28f5318d..5482cccc 100644
--- a/src/core/lombok/javac/handlers/HandleSetter.java
+++ b/src/core/lombok/javac/handlers/HandleSetter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2009-2017 The Project Lombok Authors.
+ * Copyright (C) 2009-2019 The Project Lombok Authors.
  * 
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -234,7 +234,7 @@ public class HandleSetter extends JavacAnnotationHandler<Setter> {
 		long flags = JavacHandlerUtil.addFinalIfNeeded(Flags.PARAMETER, field.getContext());
 		JCVariableDecl param = treeMaker.VarDef(treeMaker.Modifiers(flags, annsOnParam), fieldDecl.name, fieldDecl.vartype, null);
 		
-		if (!hasNonNullAnnotations(field)) {
+		if (!hasNonNullAnnotations(field) && !hasNonNullAnnotations(field, onParam)) {
 			statements.append(treeMaker.Exec(assign));
 		} else {
 			JCStatement nullCheck = generateNullCheck(treeMaker, field, source);
@@ -261,7 +261,7 @@ public class HandleSetter extends JavacAnnotationHandler<Setter> {
 		List<JCExpression> throwsClauses = List.nil();
 		JCExpression annotationMethodDefaultValue = null;
 		
-		List<JCAnnotation> annsOnMethod = copyAnnotations(onMethod);
+		List<JCAnnotation> annsOnMethod = mergeAnnotations(copyAnnotations(onMethod), findCopyableToSetterAnnotations(field));
 		if (isFieldDeprecated(field) || deprecate) {
 			annsOnMethod = annsOnMethod.prepend(treeMaker.Annotation(genJavaLangTypeRef(field, "Deprecated"), List.<JCExpression>nil()));
 		}
diff --git a/src/core/lombok/javac/handlers/HandleSuperBuilder.java b/src/core/lombok/javac/handlers/HandleSuperBuilder.java
index 290ef89f..0fcaa5f8 100644
--- a/src/core/lombok/javac/handlers/HandleSuperBuilder.java
+++ b/src/core/lombok/javac/handlers/HandleSuperBuilder.java
@@ -861,13 +861,13 @@ public class HandleSuperBuilder extends JavacAnnotationHandler<SuperBuilder> {
 		}};
 		
 		if (fieldNode.singularData == null || fieldNode.singularData.getSingularizer() == null) {
-			generateSimpleSetterMethodForBuilder(builderType, deprecate, fieldNode.createdFields.get(0), fieldNode.nameOfSetFlag, source, true, returnTypeMaker.make(), returnStatementMaker.make(), fieldNode.annotations);
+			generateSimpleSetterMethodForBuilder(builderType, deprecate, fieldNode.createdFields.get(0), fieldNode.nameOfSetFlag, source, true, returnTypeMaker.make(), returnStatementMaker.make(), fieldNode.annotations, fieldNode.originalFieldNode);
 		} else {
 			fieldNode.singularData.getSingularizer().generateMethods(fieldNode.singularData, deprecate, builderType, source.get(), true, returnTypeMaker, returnStatementMaker, AccessLevel.PUBLIC);
 		}
 	}
 	
-	private void generateSimpleSetterMethodForBuilder(JavacNode builderType, boolean deprecate, JavacNode fieldNode, Name nameOfSetFlag, JavacNode source, boolean fluent, JCExpression returnType, JCStatement returnStatement, List<JCAnnotation> annosOnParam) {
+	private void generateSimpleSetterMethodForBuilder(JavacNode builderType, boolean deprecate, JavacNode fieldNode, Name nameOfSetFlag, JavacNode source, boolean fluent, JCExpression returnType, JCStatement returnStatement, List<JCAnnotation> annosOnParam, JavacNode originalFieldNode) {
 		Name fieldName = ((JCVariableDecl) fieldNode.get()).name;
 		
 		for (JavacNode child : builderType.down()) {
@@ -881,7 +881,8 @@ public class HandleSuperBuilder extends JavacAnnotationHandler<SuperBuilder> {
 		
 		JavacTreeMaker maker = fieldNode.getTreeMaker();
 		
-		JCMethodDecl newMethod = HandleSetter.createSetter(Flags.PUBLIC, deprecate, fieldNode, maker, setterName, nameOfSetFlag, returnType, returnStatement, source, List.<JCAnnotation>nil(), annosOnParam);
+		List<JCAnnotation> methodAnns = JavacHandlerUtil.findCopyableToSetterAnnotations(originalFieldNode);
+		JCMethodDecl newMethod = HandleSetter.createSetter(Flags.PUBLIC, deprecate, fieldNode, maker, setterName, nameOfSetFlag, returnType, returnStatement, source, methodAnns, annosOnParam);
 		
 		injectMethod(builderType, newMethod);
 	}
diff --git a/src/core/lombok/javac/handlers/JavacHandlerUtil.java b/src/core/lombok/javac/handlers/JavacHandlerUtil.java
index 509a7397..ee012d2b 100644
--- a/src/core/lombok/javac/handlers/JavacHandlerUtil.java
+++ b/src/core/lombok/javac/handlers/JavacHandlerUtil.java
@@ -1418,6 +1418,15 @@ public class JavacHandlerUtil {
 		return false;
 	}
 	
+	public static boolean hasNonNullAnnotations(JavacNode node, List<JCAnnotation> anns) {
+		if (anns == null) return false;
+		for (JCAnnotation ann : anns) {
+			for (String nn : NONNULL_ANNOTATIONS) if (typeMatches(nn, node, ann)) return true;
+		}
+		
+		return false;
+	}
+	
 	/**
 	 * Searches the given field node for annotations and returns each one that is 'copyable' (either via configuration or from the base list).
 	 */
@@ -1465,6 +1474,44 @@ public class JavacHandlerUtil {
 	}
 	
 	/**
+	 * Searches the given field node for annotations that are specifically intentioned to be copied to the setter.
+	 */
+	public static List<JCAnnotation> findCopyableToSetterAnnotations(JavacNode node) {
+		JCAnnotation anno = null;
+		String annoName = null;
+		for (JavacNode child : node.down()) {
+			if (child.getKind() == Kind.ANNOTATION) {
+				if (anno != null) {
+					annoName = "";
+					break;
+				}
+				JCAnnotation annotation = (JCAnnotation) child.get();
+				annoName = annotation.annotationType.toString();
+				anno = annotation;
+			}
+		}
+		
+		if (annoName == null) return List.nil();
+		
+		if (!annoName.isEmpty()) {
+			for (String bn : COPY_TO_SETTER_ANNOTATIONS) if (typeMatches(bn, node, anno.annotationType)) return List.of(anno);
+		}
+		
+		ListBuffer<JCAnnotation> result = new ListBuffer<JCAnnotation>();
+		for (JavacNode child : node.down()) {
+			if (child.getKind() == Kind.ANNOTATION) {
+				JCAnnotation annotation = (JCAnnotation) child.get();
+				boolean match = false;
+				if (!match) for (String bn : COPY_TO_SETTER_ANNOTATIONS) if (typeMatches(bn, node, annotation.annotationType)) {
+					result.append(annotation);
+					break;
+				}
+			}
+		}
+		return result.toList();
+	}
+	
+	/**
 	 * Generates a new statement that checks if the given variable is null, and if so, throws a configured exception with the
 	 * variable name as message.
 	 */
@@ -1704,6 +1751,15 @@ public class JavacHandlerUtil {
 		return out.toList();
 	}
 	
+	static List<JCAnnotation> mergeAnnotations(List<JCAnnotation> a, List<JCAnnotation> b) {
+		if (a == null || a.isEmpty()) return b;
+		if (b == null || b.isEmpty()) return a;
+		ListBuffer<JCAnnotation> out = new ListBuffer<JCAnnotation>();
+		for (JCAnnotation ann : a) out.append(ann);
+		for (JCAnnotation ann : b) out.append(ann);
+		return out.toList();
+	}
+	
 	static boolean isClass(JavacNode typeNode) {
 		return isClassAndDoesNotHaveFlags(typeNode, Flags.INTERFACE | Flags.ENUM | Flags.ANNOTATION);
 	}