A useful annotation that prints the AST of any annotated element via the XASTPrinters in each ASTVisitor interface.

src/lombok/core/PrintAST.java

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+package lombok.core;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Target({ElementType.CONSTRUCTOR, ElementType.FIELD, ElementType.LOCAL_VARIABLE, ElementType.METHOD, ElementType.TYPE})
+@Retention(RetentionPolicy.SOURCE)
+public @interface PrintAST {}

src/lombok/eclipse/handlers/HandlePrintAST.java

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+package lombok.eclipse.handlers;
+
+import org.eclipse.jdt.internal.compiler.ast.Annotation;
+import org.mangosdk.spi.ProviderFor;
+
+import lombok.core.AnnotationValues;
+import lombok.core.PrintAST;
+import lombok.eclipse.EclipseASTVisitor;
+import lombok.eclipse.EclipseAnnotationHandler;
+import lombok.eclipse.EclipseAST.Node;
+
+@ProviderFor(EclipseAnnotationHandler.class)
+public class HandlePrintAST implements EclipseAnnotationHandler<PrintAST> {
+	@Override public void handle(AnnotationValues<PrintAST> annotation, Annotation ast, Node annotationNode) {
+		annotationNode.up().traverse(new EclipseASTVisitor.EclipseASTPrinter());
+	}
+}

src/lombok/javac/handlers/HandlePrintAST.java

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+package lombok.javac.handlers;
+
+import org.mangosdk.spi.ProviderFor;
+
+import com.sun.tools.javac.tree.JCTree.JCAnnotation;
+
+import lombok.core.AnnotationValues;
+import lombok.core.PrintAST;
+import lombok.javac.JavacASTVisitor;
+import lombok.javac.JavacAnnotationHandler;
+import lombok.javac.JavacAST.Node;
+
+@ProviderFor(JavacAnnotationHandler.class)
+public class HandlePrintAST implements JavacAnnotationHandler<PrintAST> {
+	@Override public void handle(AnnotationValues<PrintAST> annotation, JCAnnotation ast, Node annotationNode) {
+		annotationNode.up().traverse(new JavacASTVisitor.JavacASTPrinter());
+	}
+}