eliminate ‘you are using private API’ warnings by streamlining all reflective access via a class that uses sun.misc.Unsafe to arrange access. From the nqzero permit-reflect library.

src/core/lombok/core/AST.java

@@ -39,6 +39,7 @@ import java.util.concurrent.ConcurrentMap;
 
 import lombok.core.configuration.ConfigurationKey;
 import lombok.core.debug.HistogramTracker;
+import lombok.permit.Permit;
 
 /**
  * Lombok wraps the AST produced by a target platform into its own AST system, mostly because both Eclipse and javac
@@ -252,7 +253,7 @@ public abstract class AST<A extends AST<A, L, N>, L extends LombokNode<A, L, N>,
 			}
 			
 			if (shouldDrill(c, t, f.getName())) {
-				f.setAccessible(true);
+				Permit.setAccessible(f);
 				fields.add(new FieldAccess(f, dim));
 			}
 		}

src/core/lombok/core/AnnotationProcessor.java

@@ -46,6 +46,7 @@ import javax.lang.model.element.TypeElement;
 import javax.tools.Diagnostic.Kind;
 
 import lombok.patcher.ClassRootFinder;
+import lombok.permit.Permit;
 
 @SupportedAnnotationTypes("*")
 public class AnnotationProcessor extends AbstractProcessor {
@@ -82,8 +83,7 @@ public class AnnotationProcessor extends AbstractProcessor {
 		
 		for (Class<?> procEnvClass = procEnv.getClass(); procEnvClass != null; procEnvClass = procEnvClass.getSuperclass()) {
 			try {
-				Field field = procEnvClass.getDeclaredField("delegate");
-				field.setAccessible(true);
+				Field field = Permit.getField(procEnvClass, "delegate");
 				Object delegate = field.get(procEnv);
 				
 				return tryRecursivelyObtainJavacProcessingEnvironment((ProcessingEnvironment) delegate);
@@ -136,7 +136,7 @@ public class AnnotationProcessor extends AbstractProcessor {
 			ClassLoader environmentClassLoader = procEnv.getClass().getClassLoader();
 			if (environmentClassLoader != null && environmentClassLoader.getClass().getCanonicalName().equals("org.codehaus.plexus.compiler.javac.IsolatedClassLoader")) {
 				if (!ClassLoader_lombokAlreadyAddedTo.getAndSet(environmentClassLoader, true)) {
-					Method m = environmentClassLoader.getClass().getDeclaredMethod("addURL", URL.class);
+					Method m = Permit.getMethod(environmentClassLoader.getClass(), "addURL", URL.class);
 					URL selfUrl = new File(ClassRootFinder.findClassRootOfClass(AnnotationProcessor.class)).toURI().toURL();
 					m.invoke(environmentClassLoader, selfUrl);
 				}

src/core/lombok/core/AnnotationValues.java

@@ -33,6 +33,7 @@ import java.util.List;
 import java.util.Map;
 
 import lombok.core.AST.Kind;
+import lombok.permit.Permit;
 
 /**
  * Represents a single annotation in a source file and can be used to query the parameters present on it.
@@ -210,7 +211,7 @@ public class AnnotationValues<A extends Annotation> {
 	
 	public <T> T getDefaultIf(String methodName, Class<T> type, T defaultValue) {
 		try {
-			return type.cast(type.getMethod(methodName).getDefaultValue());
+			return type.cast(Permit.getMethod(type, methodName).getDefaultValue());
 		} catch (Exception e) {
 			return defaultValue;
 		}

src/core/lombok/eclipse/EclipseAST.java

@@ -34,6 +34,7 @@ import lombok.Lombok;
 import lombok.core.AST;
 import lombok.core.LombokImmutableList;
 import lombok.eclipse.handlers.EclipseHandlerUtil;
+import lombok.permit.Permit;
 
 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.Path;
@@ -497,7 +498,7 @@ public class EclipseAST extends AST<EclipseAST, EclipseNode, ASTNode> {
 			Throwable problem_ = null;
 			Method m = null;
 			try {
-				m = EclipseAstProblemView.class.getMethod("addProblemToCompilationResult", char[].class, Class.forName(COMPILATIONRESULT_TYPE), boolean.class, String.class, int.class, int.class);
+				m = Permit.getMethod(EclipseAstProblemView.class, "addProblemToCompilationResult", char[].class, Class.forName(COMPILATIONRESULT_TYPE), boolean.class, String.class, int.class, int.class);
 			} catch (Throwable t) {
 				// That's problematic, but as long as no local classes are used we don't actually need it.
 				// Better fail on local classes than crash altogether.

src/core/lombok/eclipse/TransformEclipseAST.java

@@ -30,6 +30,7 @@ import lombok.core.LombokConfiguration;
 import lombok.core.debug.DebugSnapshotStore;
 import lombok.core.debug.HistogramTracker;
 import lombok.patcher.Symbols;
+import lombok.permit.Permit;
 
 import org.eclipse.jdt.internal.compiler.ast.AbstractMethodDeclaration;
 import org.eclipse.jdt.internal.compiler.ast.Annotation;
@@ -90,7 +91,7 @@ public class TransformEclipseAST {
 				disableLombok = true;
 			}
 			try {
-				f = CompilationUnitDeclaration.class.getDeclaredField("$lombokAST");
+				f = Permit.getField(CompilationUnitDeclaration.class, "$lombokAST");
 			} catch (Throwable t) {
 				//I guess we're in an ecj environment; we'll just not cache stuff then.
 			}

src/core/lombok/eclipse/handlers/EclipseHandlerUtil.java

@@ -56,6 +56,7 @@ import lombok.eclipse.EclipseAST;
 import lombok.eclipse.EclipseNode;
 import lombok.experimental.Accessors;
 import lombok.experimental.Tolerate;
+import lombok.permit.Permit;
 
 import org.eclipse.jdt.internal.compiler.ast.ASTNode;
 import org.eclipse.jdt.internal.compiler.ast.AbstractMethodDeclaration;
@@ -337,9 +338,7 @@ public class EclipseHandlerUtil {
 		
 		private static Field getField(Class<?> c, String fName) {
 			try {
-				Field f = c.getDeclaredField(fName);
-				f.setAccessible(true);
-				return f;
+				return Permit.getField(c, fName);
 			} catch (Exception e) {
 				return null;
 			}
@@ -1931,12 +1930,12 @@ public class EclipseHandlerUtil {
 		Constructor<IntLiteral> intLiteralConstructor_ = null;
 		Method intLiteralFactoryMethod_ = null;
 		try { 
-			intLiteralConstructor_ = IntLiteral.class.getConstructor(parameterTypes);
+			intLiteralConstructor_ = Permit.getConstructor(IntLiteral.class, parameterTypes);
 		} catch (Throwable ignore) {
 			// probably eclipse 3.7++
 		}
 		try { 
-			intLiteralFactoryMethod_ = IntLiteral.class.getMethod("buildIntLiteral", parameterTypes);
+			intLiteralFactoryMethod_ = Permit.getMethod(IntLiteral.class, "buildIntLiteral", parameterTypes);
 		} catch (Throwable ignore) {
 			// probably eclipse versions before 3.7
 		}

src/core/lombok/javac/CompilerMessageSuppressor.java

@@ -39,6 +39,8 @@ import com.sun.tools.javac.util.JCDiagnostic;
 import com.sun.tools.javac.util.ListBuffer;
 import com.sun.tools.javac.util.Log;
 
+import lombok.permit.Permit;
+
 /**
  * During resolution, the resolver will emit resolution errors, but without appropriate file names and line numbers. If these resolution errors stick around
  * then they will be generated AGAIN, this time with proper names and line numbers, at the end. Therefore, we want to suppress the logger.
@@ -89,11 +91,8 @@ public final class CompilerMessageSuppressor {
 	
 	static Field getDeclaredField(Class<?> c, String fieldName) {
 		try {
-			Field field = c.getDeclaredField(fieldName);
-			field.setAccessible(true);
-			return field;
-		}
-		catch (Throwable t) {
+			return Permit.getField(c, fieldName);
+		} catch (Throwable t) {
 			return null;
 		}
 	}

src/core/lombok/javac/Javac6BasedLombokOptions.java

@@ -25,6 +25,7 @@ import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 
 import lombok.Lombok;
+import lombok.permit.Permit;
 
 import com.sun.tools.javac.util.Context;
 import com.sun.tools.javac.util.Options;
@@ -36,8 +37,8 @@ public class Javac6BasedLombokOptions extends LombokOptions {
 	static {
 		try {
 			Class<?> optionNameClass = Class.forName("com.sun.tools.javac.main.OptionName");
-			optionName_valueOf = optionNameClass.getMethod("valueOf", String.class);
-			options_put = Class.forName("com.sun.tools.javac.util.Options").getMethod("put", optionNameClass, String.class);
+			optionName_valueOf = Permit.getMethod(optionNameClass, "valueOf", String.class);
+			options_put = Permit.getMethod(Class.forName("com.sun.tools.javac.util.Options"), "put", optionNameClass, String.class);
 		} catch (Exception e) {
 			throw new IllegalArgumentException("Can't initialize Javac6-based lombok options due to reflection issue.", e);
 		}

src/core/lombok/javac/JavacAST.java

@@ -37,6 +37,7 @@ import javax.tools.JavaFileObject;
 
 import com.sun.tools.javac.util.JCDiagnostic;
 import lombok.core.AST;
+import lombok.permit.Permit;
 
 import com.sun.tools.javac.code.Source;
 import com.sun.tools.javac.code.Symtab;
@@ -243,7 +244,7 @@ public class JavacAST extends AST<JavacAST, JavacNode, JCTree> {
 	private static List<JCTree> getResourcesForTryNode(JCTry tryNode) {
 		if (!JCTRY_RESOURCES_FIELD_INITIALIZED) {
 			try {
-				JCTRY_RESOURCES_FIELD = JCTry.class.getField("resources");
+				JCTRY_RESOURCES_FIELD = Permit.getField(JCTry.class, "resources");
 			} catch (NoSuchFieldException ignore) {
 				// Java 1.6 or lower won't have this at all.
 			} catch (Exception ignore) {
@@ -343,7 +344,7 @@ public class JavacAST extends AST<JavacAST, JavacNode, JCTree> {
 			return m;
 		}
 		try {
-			m = c.getMethod("getBody");
+			m = Permit.getMethod(c, "getBody");
 		} catch (NoSuchMethodException e) {
 			throw Javac.sneakyThrow(e);
 		}
@@ -501,12 +502,11 @@ public class JavacAST extends AST<JavacAST, JavacNode, JCTree> {
 		}
 		
 		static ErrorLog create(Messager messager, Log log) {
-			Field errorCount = null;
-			try {
-				Field f = messager.getClass().getDeclaredField("errorCount");
-				f.setAccessible(true);
-				errorCount = f;
-			} catch (Throwable t) {}
+			Field errorCount; try {
+				errorCount = Permit.getField(messager.getClass(), "errorCount");
+			} catch (Throwable t) {
+				errorCount = null;
+			}
 			boolean hasMultipleErrors = false;
 			for (Field field : log.getClass().getFields()) {
 				if (field.getName().equals("multipleErrors")) {
@@ -515,14 +515,13 @@ public class JavacAST extends AST<JavacAST, JavacNode, JCTree> {
 				}
 			}
 			if (hasMultipleErrors) return new JdkBefore9(log, messager, errorCount);
-
-			Field warningCount = null;
-			try {
-				Field f = messager.getClass().getDeclaredField("warningCount");
-				f.setAccessible(true);
-				warningCount = f;
-			} catch (Throwable t) {}
-
+			
+			Field warningCount; try {
+				warningCount = Permit.getField(messager.getClass(), "warningCount");
+			} catch (Throwable t) {
+				warningCount = null;
+			}
+			
 			return new Jdk9Plus(log, messager, errorCount, warningCount);
 		}
 	}
@@ -577,21 +576,18 @@ public class JavacAST extends AST<JavacAST, JavacNode, JCTree> {
 				Class<?> noteCls = Class.forName(jcd + "$Note");
 				
 				Class<?> lc = log.getClass();
-				this.errorMethod = lc.getMethod("error", df, DiagnosticPosition.class, errorCls);
-				this.warningMethod = lc.getMethod("warning", DiagnosticPosition.class, warningCls);
-				this.mandatoryWarningMethod = lc.getMethod("mandatoryWarning", DiagnosticPosition.class, warningCls);
-				this.noteMethod = lc.getMethod("note", DiagnosticPosition.class, noteCls);
+				this.errorMethod = Permit.getMethod(lc, "error", df, DiagnosticPosition.class, errorCls);
+				this.warningMethod = Permit.getMethod(lc, "warning", DiagnosticPosition.class, warningCls);
+				this.mandatoryWarningMethod = Permit.getMethod(lc, "mandatoryWarning", DiagnosticPosition.class, warningCls);
+				this.noteMethod = Permit.getMethod(lc, "note", DiagnosticPosition.class, noteCls);
 
-				Field diagsField = lc.getSuperclass().getDeclaredField("diags");
-				diagsField.setAccessible(true);
-				this.diags = (JCDiagnostic.Factory)diagsField.get(log);
+				Field diagsField = Permit.getField(lc.getSuperclass(), "diags");
+				this.diags = (JCDiagnostic.Factory) diagsField.get(log);
 
 				Class<?> dc = this.diags.getClass();
-				this.errorKey = dc.getMethod("errorKey", String.class, Object[].class);
-				this.warningKey = dc.getDeclaredMethod("warningKey", String.class, Object[].class);
-				this.warningKey.setAccessible(true);
-				this.noteKey = dc.getDeclaredMethod("noteKey", String.class, Object[].class);
-				this.noteKey.setAccessible(true);
+				this.errorKey = Permit.getMethod(dc, "errorKey", String.class, Object[].class);
+				this.warningKey = Permit.getMethod(dc, "warningKey", String.class, Object[].class);
+				this.noteKey = Permit.getMethod(dc, "noteKey", String.class, Object[].class);
 			} catch (Throwable t) {
 				//t.printStackTrace();
 			}

src/core/lombok/javac/JavacResolution.java

@@ -35,6 +35,7 @@ import javax.tools.JavaFileObject;
 
 import lombok.Lombok;
 import lombok.core.debug.AssertionLogger;
+import lombok.permit.Permit;
 
 import com.sun.tools.javac.code.BoundKind;
 import com.sun.tools.javac.code.Symbol.TypeSymbol;
@@ -162,14 +163,10 @@ public class JavacResolution {
 	private static Field getMemberEnterDotEnv() {
 		if (memberEnterDotEnv != null) return memberEnterDotEnv;
 		try {
-			Field f = MemberEnter.class.getDeclaredField("env");
-			f.setAccessible(true);
-			memberEnterDotEnv = f;
+			return memberEnterDotEnv = Permit.getField(MemberEnter.class, "env");
 		} catch (NoSuchFieldException e) {
 			return null;
 		}
-		
-		return memberEnterDotEnv;
 	}
 	
 	@SuppressWarnings("unchecked")
@@ -252,10 +249,10 @@ public class JavacResolution {
 		static {
 			Method upperBound = null;
 			try {
-				upperBound = Types.class.getMethod("upperBound", Type.class);
+				upperBound = Permit.getMethod(Types.class, "upperBound", Type.class);
 			} catch (Throwable ignore) {}
 			if (upperBound == null) try {
-				upperBound = Types.class.getMethod("wildUpperBound", Type.class);
+				upperBound = Permit.getMethod(Types.class, "wildUpperBound", Type.class);
 			} catch (Throwable ignore) {}
 			
 			UPPER_BOUND = upperBound;

src/core/lombok/javac/apt/LombokFileObjects.java

@@ -39,6 +39,7 @@ import javax.tools.JavaFileObject;
 import javax.tools.JavaFileObject.Kind;
 
 import lombok.core.DiagnosticsReceiver;
+import lombok.permit.Permit;
 
 import com.sun.tools.javac.file.BaseFileManager;
 
@@ -87,16 +88,14 @@ final class LombokFileObjects {
 	}
 		
 	static Method getDecoderMethod(String className) {
-		Method m = null;
 		try {
-			m = Class.forName(className).getDeclaredMethod("getDecoder", boolean.class);
-			m.setAccessible(true);
+			return Permit.getMethod(Class.forName(className), "getDecoder", boolean.class);
 		} catch (NoSuchMethodException e) {
 			// Intentional fallthrough - getDecoder(boolean) is not always present.
 		} catch (ClassNotFoundException e) {
 			// Intentional fallthrough - getDecoder(boolean) is not always present.
 		}
-		return m;
+		return null;
 	}
 	
 	private LombokFileObjects() {}

src/core/lombok/javac/apt/LombokProcessor.java

@@ -52,6 +52,7 @@ import javax.tools.JavaFileObject;
 import lombok.Lombok;
 import lombok.core.DiagnosticsReceiver;
 import lombok.javac.JavacTransformer;
+import lombok.permit.Permit;
 
 import com.sun.source.util.TreePath;
 import com.sun.source.util.Trees;
@@ -112,10 +113,7 @@ public class LombokProcessor extends AbstractProcessor {
 	
 	private static final Field getFieldAccessor(String typeName, String fieldName) {
 		try {
-			Class<?> c = Class.forName(typeName);
-			Field f = c.getDeclaredField(fieldName);
-			f.setAccessible(true);
-			return f;
+			return Permit.getField(Class.forName(typeName), fieldName);
 		} catch (ClassNotFoundException e) {
 			return null;
 		} catch (NoSuchFieldException e) {
@@ -156,11 +154,9 @@ public class LombokProcessor extends AbstractProcessor {
 		Context context = javacProcessingEnv.getContext();
 		disablePartialReparseInNetBeansEditor(context);
 		try {
-			Method keyMethod = Context.class.getDeclaredMethod("key", Class.class);
-			keyMethod.setAccessible(true);
+			Method keyMethod = Permit.getMethod(Context.class, "key", Class.class);
 			Object key = keyMethod.invoke(context, JavaFileManager.class);
-			Field htField = Context.class.getDeclaredField("ht");
-			htField.setAccessible(true);
+			Field htField = Permit.getField(Context.class, "ht");
 			@SuppressWarnings("unchecked")
 			Map<Object,Object> ht = (Map<Object,Object>) htField.get(context);
 			final JavaFileManager originalFiler = (JavaFileManager) ht.get(key);
@@ -170,8 +166,7 @@ public class LombokProcessor extends AbstractProcessor {
 				
 				JavaFileManager newFilerManager = new InterceptingJavaFileManager(originalFiler, receiver);
 				ht.put(key, newFilerManager);
-				Field filerFileManagerField = JavacFiler.class.getDeclaredField("fileManager");
-				filerFileManagerField.setAccessible(true);
+				Field filerFileManagerField = Permit.getField(JavacFiler.class, "fileManager");
 				filerFileManagerField.set(javacFiler, newFilerManager);
 				
 				if (lombok.javac.Javac.getJavaCompilerVersion() > 8
@@ -186,20 +181,17 @@ public class LombokProcessor extends AbstractProcessor {
 
 	private void replaceFileManagerJdk9(Context context, JavaFileManager newFiler) {
 		try {
-			JavaCompiler compiler = (JavaCompiler) JavaCompiler.class.getDeclaredMethod("instance", Context.class).invoke(null, context);
+			JavaCompiler compiler = (JavaCompiler) Permit.getMethod(JavaCompiler.class, "instance", Context.class).invoke(null, context);
 			try {
-				Field fileManagerField = JavaCompiler.class.getDeclaredField("fileManager");
-				fileManagerField.setAccessible(true);
+				Field fileManagerField = Permit.getField(JavaCompiler.class, "fileManager");
 				fileManagerField.set(compiler, newFiler);
 			}
 			catch (Exception e) {}
 			
 			try {
-				Field writerField = JavaCompiler.class.getDeclaredField("writer");
-				writerField.setAccessible(true);
+				Field writerField = Permit.getField(JavaCompiler.class, "writer");
 				ClassWriter writer = (ClassWriter) writerField.get(compiler);
-				Field fileManagerField = ClassWriter.class.getDeclaredField("fileManager");
-				fileManagerField.setAccessible(true);
+				Field fileManagerField = Permit.getField(ClassWriter.class, "fileManager");
 				fileManagerField.set(writer, newFiler);
 			}
 			catch (Exception e) {}
@@ -210,8 +202,7 @@ public class LombokProcessor extends AbstractProcessor {
 	
 	private void forceMultipleRoundsInNetBeansEditor() {
 		try {
-			Field f = JavacProcessingEnvironment.class.getDeclaredField("isBackgroundCompilation");
-			f.setAccessible(true);
+			Field f = Permit.getField(JavacProcessingEnvironment.class, "isBackgroundCompilation");
 			f.set(javacProcessingEnv, true);
 		} catch (NoSuchFieldException e) {
 			// only NetBeans has it
@@ -223,14 +214,12 @@ public class LombokProcessor extends AbstractProcessor {
 	private void disablePartialReparseInNetBeansEditor(Context context) {
 		try {
 			Class<?> cancelServiceClass = Class.forName("com.sun.tools.javac.util.CancelService");
-			Method cancelServiceInstace = cancelServiceClass.getDeclaredMethod("instance", Context.class);
+			Method cancelServiceInstace = Permit.getMethod(cancelServiceClass, "instance", Context.class);
 			Object cancelService = cancelServiceInstace.invoke(null, context);
 			if (cancelService == null) return;
-			Field parserField = cancelService.getClass().getDeclaredField("parser");
-			parserField.setAccessible(true);
+			Field parserField = Permit.getField(cancelService.getClass(), "parser");
 			Object parser = parserField.get(cancelService);
-			Field supportsReparseField = parser.getClass().getDeclaredField("supportsReparse");
-			supportsReparseField.setAccessible(true);
+			Field supportsReparseField = Permit.getField(parser.getClass(), "supportsReparse");
 			supportsReparseField.set(parser, false);
 		} catch (ClassNotFoundException e) {
 			// only NetBeans has it
@@ -284,8 +273,7 @@ public class LombokProcessor extends AbstractProcessor {
 	
 	private void stopJavacProcessingEnvironmentFromClosingOurClassloader() {
 		try {
-			Field f = JavacProcessingEnvironment.class.getDeclaredField("processorClassLoader");
-			f.setAccessible(true);
+			Field f = Permit.getField(JavacProcessingEnvironment.class, "processorClassLoader");
 			ClassLoader unwrapped = (ClassLoader) f.get(javacProcessingEnv);
 			if (unwrapped == null) return;
 			ClassLoader wrapped = wrapClassLoader(unwrapped);
@@ -377,7 +365,7 @@ public class LombokProcessor extends AbstractProcessor {
 			} catch (Exception e) {
 				e.printStackTrace();
 				processingEnv.getMessager().printMessage(Kind.WARNING,
-						"Can't force a new processing round. Lombok won't work.");
+					"Can't force a new processing round. Lombok won't work.");
 			}
 		}
 	}
@@ -414,16 +402,14 @@ public class LombokProcessor extends AbstractProcessor {
 	@Override public SourceVersion getSupportedSourceVersion() {
 		return SourceVersion.latest();
 	}
-
+	
 	/**
 	 * This class casts the given processing environment to a JavacProcessingEnvironment. In case of
 	 * gradle incremental compilation, the delegate ProcessingEnvironment of the gradle wrapper is returned.
 	 */
 	public JavacProcessingEnvironment getJavacProcessingEnvironment(Object procEnv) {
-		if (procEnv instanceof JavacProcessingEnvironment) {
-			return (JavacProcessingEnvironment) procEnv;
-		}
-
+		if (procEnv instanceof JavacProcessingEnvironment) return (JavacProcessingEnvironment) procEnv;
+		
 		// try to find a "delegate" field in the object, and use this to try to obtain a JavacProcessingEnvironment
 		for (Class<?> procEnvClass = procEnv.getClass(); procEnvClass != null; procEnvClass = procEnvClass.getSuperclass()) {
 			try {
@@ -432,9 +418,9 @@ public class LombokProcessor extends AbstractProcessor {
 				// delegate field was not found, try on superclass
 			}
 		}
-
+		
 		processingEnv.getMessager().printMessage(Kind.WARNING,
-				"Can't get the delegate of the gradle IncrementalProcessingEnvironment. Lombok won't work.");
+			"Can't get the delegate of the gradle IncrementalProcessingEnvironment. Lombok won't work.");
 		return null;
 	}
 
@@ -444,10 +430,8 @@ public class LombokProcessor extends AbstractProcessor {
 	 * (directly or through a delegate field again)
 	 */
 	public JavacFiler getJavacFiler(Object filer) {
-		if (filer instanceof JavacFiler) {
-			return (JavacFiler) filer;
-		}
-
+		if (filer instanceof JavacFiler) return (JavacFiler) filer;
+		
 		// try to find a "delegate" field in the object, and use this to check for a JavacFiler
 		for (Class<?> filerClass = filer.getClass(); filerClass != null; filerClass = filerClass.getSuperclass()) {
 			try {
@@ -456,15 +440,13 @@ public class LombokProcessor extends AbstractProcessor {
 				// delegate field was not found, try on superclass
 			}
 		}
-
+		
 		processingEnv.getMessager().printMessage(Kind.WARNING,
-				"Can't get a JavacFiler from " + filer.getClass().getName() + ". Lombok won't work.");
+			"Can't get a JavacFiler from " + filer.getClass().getName() + ". Lombok won't work.");
 		return null;
 	}
 
 	private Object tryGetDelegateField(Class<?> delegateClass, Object instance) throws Exception {
-		Field field = delegateClass.getDeclaredField("delegate");
-		field.setAccessible(true);
-		return field.get(instance);
+		return Permit.getField(delegateClass, "delegate").get(instance);
 	}
 }

src/core/lombok/javac/apt/Processor.java

@@ -53,6 +53,8 @@ import com.sun.tools.javac.processing.JavacFiler;
 import com.sun.tools.javac.processing.JavacProcessingEnvironment;
 import com.sun.tools.javac.util.Options;
 
+import lombok.permit.Permit;
+
 /**
  * This processor should not be used. It used to be THE processor. This class is only there to warn people that something went wrong, and for the
  * lombok developers to see if what the reason for those failures is. 
@@ -101,8 +103,7 @@ public class Processor extends AbstractProcessor {
 		try {
 			JavacProcessingEnvironment environment = (JavacProcessingEnvironment) procEnv;
 			Options instance = Options.instance(environment.getContext());
-			Field field = Options.class.getDeclaredField("values");
-			field.setAccessible(true);
+			Field field = Permit.getField(Options.class, "values");
 			@SuppressWarnings("unchecked") Map<String, String> values = (Map<String, String>) field.get(instance);
 			if (values.isEmpty()) {
 				message.append("Options: empty\n\n");
@@ -125,8 +126,7 @@ public class Processor extends AbstractProcessor {
 
 	private void findServices(StringBuilder message, Filer filer) {
 		try {
-			Field filerFileManagerField = JavacFiler.class.getDeclaredField("fileManager");
-			filerFileManagerField.setAccessible(true);
+			Field filerFileManagerField = Permit.getField(JavacFiler.class, "fileManager");
 			JavaFileManager jfm = (JavaFileManager) filerFileManagerField.get(filer);
 			ClassLoader processorClassLoader = jfm.hasLocation(ANNOTATION_PROCESSOR_PATH) ? jfm.getClassLoader(ANNOTATION_PROCESSOR_PATH) : jfm.getClassLoader(CLASS_PATH);
 			Enumeration<URL> resources = processorClassLoader.getResources("META-INF/services/javax.annotation.processing.Processor");

src/core/lombok/javac/handlers/JavacHandlerUtil.java

@@ -58,6 +58,7 @@ import lombok.experimental.Tolerate;
 import lombok.javac.Javac;
 import lombok.javac.JavacNode;
 import lombok.javac.JavacTreeMaker;
+import lombok.permit.Permit;
 
 import com.sun.tools.javac.code.BoundKind;
 import com.sun.tools.javac.code.Flags;
@@ -1049,10 +1050,9 @@ public class JavacHandlerUtil {
 			if (TYPE != null) return;
 			if (!in.getName().equals("com.sun.tools.javac.tree.JCTree$JCAnnotatedType")) return;
 			try {
-				CONSTRUCTOR = in.getDeclaredConstructor(List.class, JCExpression.class);
-				CONSTRUCTOR.setAccessible(true);
-				ANNOTATIONS = in.getDeclaredField("annotations");
-				UNDERLYING_TYPE = in.getDeclaredField("underlyingType");
+				CONSTRUCTOR = Permit.getConstructor(in, List.class, JCExpression.class);
+				ANNOTATIONS = Permit.getField(in, "annotations");
+				UNDERLYING_TYPE = Permit.getField(in, "underlyingType");
 				TYPE = in;
 			} catch (Exception ignore) {}
 		}
@@ -1102,9 +1102,9 @@ public class JavacHandlerUtil {
 			Method r = null;
 			Method e = null;
 			try {
-				f = ClassSymbol.class.getField("members_field");
-				r = f.getType().getMethod("remove", Symbol.class);
-				e = f.getType().getMethod("enter", Symbol.class);
+				f = Permit.getField(ClassSymbol.class, "members_field");
+				r = Permit.getMethod(f.getType(), "remove", Symbol.class);
+				e = Permit.getMethod(f.getType(), "enter", Symbol.class);
 			} catch (Exception ex) {}
 			membersField = f;
 			removeMethod = r;

src/delombok/lombok/delombok/Delombok.java

@@ -61,6 +61,7 @@ import lombok.javac.CommentCatcher;
 import lombok.javac.Javac;
 import lombok.javac.LombokOptions;
 import lombok.javac.apt.LombokProcessor;
+import lombok.permit.Permit;
 
 import com.sun.tools.javac.code.Symtab;
 import com.sun.tools.javac.comp.Todo;
@@ -638,7 +639,7 @@ public class Delombok {
 	private static final Field MODULE_FIELD = getModuleField();
 	private static Field getModuleField() {
 		try {
-			return JCCompilationUnit.class.getField("modle");
+			return Permit.getField(JCCompilationUnit.class, "modle");
 		} catch (NoSuchFieldException e) {
 			return null;
 		} catch (SecurityException e) {
@@ -808,10 +809,10 @@ public class Delombok {
 	private static Object callAttributeMethodOnJavaCompiler(JavaCompiler compiler, Todo arg) {
 		if (attributeMethod == null) {
 			try {
-				attributeMethod = JavaCompiler.class.getDeclaredMethod("attribute", java.util.Queue.class);
+				attributeMethod = Permit.getMethod(JavaCompiler.class, "attribute", java.util.Queue.class);
 			} catch (NoSuchMethodException e) {
 				try {
-					attributeMethod = JavaCompiler.class.getDeclaredMethod("attribute", com.sun.tools.javac.util.ListBuffer.class);
+					attributeMethod = Permit.getMethod(JavaCompiler.class, "attribute", com.sun.tools.javac.util.ListBuffer.class);
 				} catch (NoSuchMethodException e2) {
 					throw Lombok.sneakyThrow(e2);
 				}
@@ -830,10 +831,10 @@ public class Delombok {
 	private static void callFlowMethodOnJavaCompiler(JavaCompiler compiler, Object arg) {
 		if (flowMethod == null) {
 			try {
-				flowMethod = JavaCompiler.class.getDeclaredMethod("flow", java.util.Queue.class);
+				flowMethod = Permit.getMethod(JavaCompiler.class, "flow", java.util.Queue.class);
 			} catch (NoSuchMethodException e) {
 				try {
-					flowMethod = JavaCompiler.class.getDeclaredMethod("flow", com.sun.tools.javac.util.List.class);
+					flowMethod = Permit.getMethod(JavaCompiler.class, "flow", com.sun.tools.javac.util.List.class);
 				} catch (NoSuchMethodException e2) {
 					throw Lombok.sneakyThrow(e2);
 				}

src/delombok/lombok/delombok/DelombokApp.java

@@ -36,6 +36,7 @@ import java.util.jar.JarEntry;
 import java.util.jar.JarFile;
 
 import lombok.core.LombokApp;
+import lombok.permit.Permit;
 
 import org.mangosdk.spi.ProviderFor;
 
@@ -52,7 +53,7 @@ public class DelombokApp extends LombokApp {
 				return 1;
 			}
 			try {
-				loadDelombok(args).getMethod("main", String[].class).invoke(null, new Object[] {args.toArray(new String[0])});
+				Permit.getMethod(loadDelombok(args), "main", String[].class).invoke(null, new Object[] {args.toArray(new String[0])});
 			} catch (InvocationTargetException e1) {
 				Throwable t = e1.getCause();
 				if (t instanceof Error) throw (Error)t;

src/delombok/lombok/delombok/PrettyPrinter.java

@@ -93,6 +93,7 @@ import com.sun.tools.javac.util.Position;
 
 import lombok.javac.CommentInfo;
 import lombok.javac.PackageName;
+import lombok.permit.Permit;
 import lombok.javac.CommentInfo.EndConnection;
 import lombok.javac.CommentInfo.StartConnection;
 import lombok.javac.JavacTreeMaker.TreeTag;
@@ -1335,7 +1336,6 @@ public class PrettyPrinter extends JCTree.Visitor {
 	
 	static {
 		getExtendsClause = getMethod(JCClassDecl.class, "getExtendsClause", new Class<?>[0]);
-		getExtendsClause.setAccessible(true);
 		
 		if (getJavaCompilerVersion() < 8) {
 			getEndPosition = getMethod(DiagnosticPosition.class, "getEndPosition", java.util.Map.class);
@@ -1350,11 +1350,11 @@ public class PrettyPrinter extends JCTree.Visitor {
 				throw sneakyThrow(ex);
 			}
 			try {
-				storeEndMethodTemp = endPosTable.getMethod("storeEnd", JCTree.class, int.class);
+				storeEndMethodTemp = Permit.getMethod(endPosTable, "storeEnd", JCTree.class, int.class);
 			} catch (NoSuchMethodException e) {
 				try {
 					endPosTable = Class.forName("com.sun.tools.javac.parser.JavacParser$AbstractEndPosTable");
-					storeEndMethodTemp = endPosTable.getDeclaredMethod("storeEnd", JCTree.class, int.class);
+					storeEndMethodTemp = Permit.getMethod(endPosTable, "storeEnd", JCTree.class, int.class);
 				} catch (NoSuchMethodException ex) {
 					throw sneakyThrow(ex);
 				} catch (ClassNotFoundException ex) {
@@ -1363,13 +1363,13 @@ public class PrettyPrinter extends JCTree.Visitor {
 			}
 			storeEnd = storeEndMethodTemp;
 		}
-		getEndPosition.setAccessible(true);
-		storeEnd.setAccessible(true);
+		Permit.setAccessible(getEndPosition);
+		Permit.setAccessible(storeEnd);
 	}
 	
 	private static Method getMethod(Class<?> clazz, String name, Class<?>... paramTypes) {
 		try {
-			return clazz.getMethod(name, paramTypes);
+			return Permit.getMethod(clazz, name, paramTypes);
 		} catch (NoSuchMethodException e) {
 			throw sneakyThrow(e);
 		}
@@ -1379,7 +1379,7 @@ public class PrettyPrinter extends JCTree.Visitor {
 		try {
 			Class<?>[] c = new Class[paramTypes.length];
 			for (int i = 0; i < paramTypes.length; i++) c[i] = Class.forName(paramTypes[i]);
-			return clazz.getMethod(name, c);
+			return Permit.getMethod(clazz, name, c);
 		} catch (NoSuchMethodException e) {
 			throw sneakyThrow(e);
 		} catch (ClassNotFoundException e) {
@@ -1418,11 +1418,10 @@ public class PrettyPrinter extends JCTree.Visitor {
 		Field f = c.get(fieldName);
 		if (f == null) {
 			try {
-				f = tClass.getDeclaredField(fieldName);
+				f = Permit.getField(tClass, fieldName);
 			} catch (Exception e) {
 				return defaultValue;
 			}
-			f.setAccessible(true);
 			c.put(fieldName, f);
 		}
 		

src/delombok/lombok/delombok/ant/DelombokTask.java

@@ -30,6 +30,7 @@ import java.util.ArrayList;
 import java.util.List;
 
 import lombok.Lombok;
+import lombok.permit.Permit;
 
 import org.apache.tools.ant.BuildException;
 import org.apache.tools.ant.Location;
@@ -176,8 +177,7 @@ class Tasks {
 					} catch (ClassNotFoundException e) {
 						// If we get here, it isn't, and we should use the shadowloader.
 						Class<?> launcherMain = Class.forName("lombok.launch.Main");
-						Method m = launcherMain.getDeclaredMethod("createShadowClassLoader");
-						m.setAccessible(true);
+						Method m = Permit.getMethod(launcherMain, "createShadowClassLoader");
 						shadowLoader = (ClassLoader) m.invoke(null);
 					}
 				}
@@ -195,10 +195,9 @@ class Tasks {
 			try {
 				Object instance = shadowLoadClass("lombok.delombok.ant.DelombokTaskImpl").newInstance();
 				for (Field selfField : getClass().getDeclaredFields()) {
+					Permit.setAccessible(selfField);
 					if (selfField.isSynthetic() || Modifier.isStatic(selfField.getModifiers())) continue;
-					Field otherField = instance.getClass().getDeclaredField(selfField.getName());
-					otherField.setAccessible(true);
-					selfField.setAccessible(true);
+					Field otherField = Permit.getField(instance.getClass(), selfField.getName());
 					if (selfField.getName().equals("formatOptions")) {
 						List<String> rep = new ArrayList<String>();
 						for (Format f : formatOptions) {
@@ -211,8 +210,7 @@ class Tasks {
 					}
 				}
 				
-				Method m = instance.getClass().getMethod("execute", Location.class);
-				m.setAccessible(true);
+				Method m = Permit.getMethod(instance.getClass(), "execute", Location.class);
 				m.invoke(instance, loc);
 			} catch (InvocationTargetException e) {
 				throw Lombok.sneakyThrow(e.getCause());

src/eclipseAgent/lombok/eclipse/agent/PatchExtensionMethodCompletionProposal.java

@@ -33,6 +33,7 @@ import java.util.List;
 import lombok.eclipse.EclipseNode;
 import lombok.eclipse.agent.PatchExtensionMethod.Extension;
 import lombok.experimental.ExtensionMethod;
+import lombok.permit.Permit;
 
 import org.eclipse.jdt.core.CompletionProposal;
 import org.eclipse.jdt.internal.codeassist.InternalCompletionContext;
@@ -220,7 +221,7 @@ public class PatchExtensionMethodCompletionProposal {
 				return null;
 			}
 		}
-
+		
 		private static Method accessMethod(Class<?> clazz, String methodName, Class<?> parameter) {
 			try {
 				return makeAccessible(clazz.getDeclaredMethod(methodName, parameter));
@@ -228,10 +229,9 @@ public class PatchExtensionMethodCompletionProposal {
 				return null;
 			}
 		}
-
+		
 		private static <T extends AccessibleObject> T makeAccessible(T object) {
-			object.setAccessible(true);
-			return object;
+			return Permit.setAccessible(object);
 		}
 	}
 }

src/eclipseAgent/lombok/eclipse/agent/PatchVal.java

@@ -43,6 +43,8 @@ import org.eclipse.jdt.internal.compiler.lookup.TypeBinding;
 import org.eclipse.jdt.internal.compiler.lookup.TypeConstants;
 import org.eclipse.jdt.internal.compiler.lookup.TypeIds;
 
+import lombok.permit.Permit;
+
 import java.lang.reflect.Field;
 
 import static lombok.eclipse.Eclipse.poss;
@@ -196,8 +198,8 @@ public class PatchVal {
 			Field a = null, b = null;
 			
 			try {
-				a = LocalDeclaration.class.getDeclaredField("$initCopy");
-				b = LocalDeclaration.class.getDeclaredField("$iterableCopy");
+				a = Permit.getField(LocalDeclaration.class, "$initCopy");
+				b = Permit.getField(LocalDeclaration.class, "$iterableCopy");
 			} catch (Throwable t) {
 				//ignore - no $initCopy exists when running in ecj.
 			}

src/eclipseAgent/lombok/eclipse/agent/PatchValEclipse.java

@@ -30,6 +30,7 @@ import java.lang.reflect.Method;
 import java.util.List;
 
 import lombok.Lombok;
+import lombok.permit.Permit;
 
 import org.eclipse.jdt.core.dom.AST;
 import org.eclipse.jdt.core.dom.IExtendedModifier;
@@ -277,8 +278,7 @@ public class PatchValEclipse {
 	static {
 		Field f = null;
 		try {
-			f = Name.class.getDeclaredField("index");
-			f.setAccessible(true);
+			f = Permit.getField(Name.class, "index");
 		} catch (Throwable t) {
 			// Leave it null, in which case we don't set index. That'll result in error log messages but its better than crashing here.
 		}
@@ -308,24 +308,19 @@ public class PatchValEclipse {
 			Method h = null;
 			
 			try {
-				a = LocalDeclaration.class.getDeclaredField("$initCopy");
-				b = LocalDeclaration.class.getDeclaredField("$iterableCopy");
+				a = Permit.getField(LocalDeclaration.class, "$initCopy");
+				b = Permit.getField(LocalDeclaration.class, "$iterableCopy");
 			} catch (Throwable t) {
 				//ignore - no $initCopy exists when running in ecj.
 			}
 			
 			try {
-				c = Parser.class.getDeclaredField("astStack");
-				c.setAccessible(true);
-				d = Parser.class.getDeclaredField("astPtr");
-				d.setAccessible(true);
-				f = Modifier.class.getDeclaredConstructor(AST.class);
-				f.setAccessible(true);
-				g = MarkerAnnotation.class.getDeclaredConstructor(AST.class);
-				g.setAccessible(true);
+				c = Permit.getField(Parser.class, "astStack");
+				d = Permit.getField(Parser.class, "astPtr");
+				f = Permit.getConstructor(Modifier.class, AST.class);
+				g = Permit.getConstructor(MarkerAnnotation.class, AST.class);
 				Class<?> z = Class.forName("org.eclipse.jdt.core.dom.ASTConverter");
-				h = z.getDeclaredMethod("recordNodes", org.eclipse.jdt.core.dom.ASTNode.class, org.eclipse.jdt.internal.compiler.ast.ASTNode.class);
-				h.setAccessible(true);
+				h = Permit.getMethod(z, "recordNodes", org.eclipse.jdt.core.dom.ASTNode.class, org.eclipse.jdt.internal.compiler.ast.ASTNode.class);
 			} catch (Throwable t) {
 				// Most likely we're in ecj or some other plugin usage of the eclipse compiler. No need for this.
 			}

src/utils/lombok/core/FieldAugment.java

@@ -27,6 +27,8 @@ import java.lang.reflect.Modifier;
 import java.util.Map;
 import java.util.WeakHashMap;
 
+import lombok.permit.Permit;
+
 public abstract class FieldAugment<T, F> {
 	private static Object getDefaultValue(Class<?> type) {
 		if (type == boolean.class) return false;
@@ -101,10 +103,9 @@ public abstract class FieldAugment<T, F> {
 	
 	private static Field findField(Class<?> type, Class<?> wantedType, String name) {
 		try {
-			Field f = type.getDeclaredField(name);
+			Field f = Permit.getField(type, name);
 			if (Modifier.isStatic(f.getModifiers()) || Modifier.isFinal(f.getModifiers())) return null;
 			if (!typeIsAssignmentCompatible(f.getType(), wantedType)) return null;
-			f.setAccessible(true);
 			return f;
 		} catch (Exception e) {
 			return null;

src/utils/lombok/javac/CommentCatcher.java

@@ -26,6 +26,7 @@ import java.util.Collections;
 import java.util.List;
 
 import lombok.core.FieldAugment;
+import lombok.permit.Permit;
 
 import com.sun.tools.javac.main.JavaCompiler;
 import com.sun.tools.javac.tree.JCTree.JCCompilationUnit;
@@ -79,7 +80,7 @@ public class CommentCatcher {
 			} else {
 				scannerFactory = Class.forName("lombok.javac.java8.CommentCollectingScannerFactory");
 			}
-			scannerFactory.getMethod("preRegister", Context.class).invoke(null, context);
+			Permit.getMethod(scannerFactory, "preRegister", Context.class).invoke(null, context);
 		} catch (InvocationTargetException e) {
 			throw Javac.sneakyThrow(e.getCause());
 		} catch (Exception e) {
@@ -100,7 +101,7 @@ public class CommentCatcher {
 			} else {
 				parserFactory = Class.forName("lombok.javac.java9.CommentCollectingParserFactory");
 			}
-			parserFactory.getMethod("setInCompiler", JavaCompiler.class, Context.class).invoke(null, compiler, context);
+			Permit.getMethod(parserFactory, "setInCompiler", JavaCompiler.class, Context.class).invoke(null, compiler, context);
 		} catch (InvocationTargetException e) {
 			throw Javac.sneakyThrow(e.getCause());
 		} catch (Exception e) {

src/utils/lombok/javac/Javac.java

@@ -40,6 +40,7 @@ import lombok.core.ClassLiteral;
 import lombok.core.FieldSelect;
 import lombok.javac.JavacTreeMaker.TreeTag;
 import lombok.javac.JavacTreeMaker.TypeTag;
+import lombok.permit.Permit;
 
 import com.sun.tools.javac.code.Source;
 import com.sun.tools.javac.code.Symtab;
@@ -199,7 +200,6 @@ public class Javac {
 	
 	static {
 		getExtendsClause = getMethod(JCClassDecl.class, "getExtendsClause", new Class<?>[0]);
-		getExtendsClause.setAccessible(true);
 		
 		if (getJavaCompilerVersion() < 8) {
 			getEndPosition = getMethod(DiagnosticPosition.class, "getEndPosition", java.util.Map.class);
@@ -214,11 +214,11 @@ public class Javac {
 				throw sneakyThrow(ex);
 			}
 			try {
-				storeEndMethodTemp = endPosTable.getMethod("storeEnd", JCTree.class, int.class);
+				storeEndMethodTemp = Permit.getMethod(endPosTable, "storeEnd", JCTree.class, int.class);
 			} catch (NoSuchMethodException e) {
 				try {
 					endPosTable = Class.forName("com.sun.tools.javac.parser.JavacParser$AbstractEndPosTable");
-					storeEndMethodTemp = endPosTable.getDeclaredMethod("storeEnd", JCTree.class, int.class);
+					storeEndMethodTemp = Permit.getMethod(endPosTable, "storeEnd", JCTree.class, int.class);
 				} catch (NoSuchMethodException ex) {
 					throw sneakyThrow(ex);
 				} catch (ClassNotFoundException ex) {
@@ -227,13 +227,13 @@ public class Javac {
 			}
 			storeEnd = storeEndMethodTemp;
 		}
-		getEndPosition.setAccessible(true);
-		storeEnd.setAccessible(true);
+		Permit.setAccessible(getEndPosition);
+		Permit.setAccessible(storeEnd);
 	}
 	
 	private static Method getMethod(Class<?> clazz, String name, Class<?>... paramTypes) {
 		try {
-			return clazz.getMethod(name, paramTypes);
+			return Permit.getMethod(clazz, name, paramTypes);
 		} catch (NoSuchMethodException e) {
 			throw sneakyThrow(e);
 		}
@@ -243,7 +243,7 @@ public class Javac {
 		try {
 			Class<?>[] c = new Class[paramTypes.length];
 			for (int i = 0; i < paramTypes.length; i++) c[i] = Class.forName(paramTypes[i]);
-			return clazz.getMethod(name, c);
+			return Permit.getMethod(clazz, name, c);
 		} catch (NoSuchMethodException e) {
 			throw sneakyThrow(e);
 		} catch (ClassNotFoundException e) {
@@ -320,7 +320,7 @@ public class Javac {
 	
 	private static Field getFieldIfExists(Class<?> c, String fieldName) {
 		try {
-			return c.getField("voidType");
+			return Permit.getField(c, "voidType");
 		} catch (Exception e) {
 			return null;
 		}
@@ -370,13 +370,13 @@ public class Javac {
 	static {
 		Field f = null;
 		try {
-			f = JCCompilationUnit.class.getDeclaredField("endPositions");
+			f = Permit.getField(JCCompilationUnit.class, "endPositions");
 		} catch (NoSuchFieldException e) {}
 		JCCOMPILATIONUNIT_ENDPOSITIONS = f;
 		
 		f = null;
 		try {
-			f = JCCompilationUnit.class.getDeclaredField("docComments");
+			f = Permit.getField(JCCompilationUnit.class, "docComments");
 		} catch (NoSuchFieldException e) {}
 		JCCOMPILATIONUNIT_DOCCOMMENTS = f;
 	}

src/utils/lombok/javac/JavacTreeMaker.java

@@ -88,6 +88,8 @@ import com.sun.tools.javac.tree.TreeMaker;
 import com.sun.tools.javac.util.List;
 import com.sun.tools.javac.util.Name;
 
+import lombok.permit.Permit;
+
 public class JavacTreeMaker {
 	private final TreeMaker tm;
 	
@@ -153,7 +155,7 @@ public class JavacTreeMaker {
 			Object value = cache.get(fieldName);
 			if (value != null) return value;
 			try {
-				value = Class.forName(className).getField(fieldName).get(null);
+				value = Permit.getField(Class.forName(className), fieldName).get(null);
 			} catch (NoSuchFieldException e) {
 				throw Javac.sneakyThrow(e);
 			} catch (IllegalAccessException e) {
@@ -169,7 +171,7 @@ public class JavacTreeMaker {
 		private static Field NOSUCHFIELDEX_MARKER;
 		static {
 			try {
-				NOSUCHFIELDEX_MARKER = SchroedingerType.class.getDeclaredField("NOSUCHFIELDEX_MARKER");
+				NOSUCHFIELDEX_MARKER = Permit.getField(SchroedingerType.class, "NOSUCHFIELDEX_MARKER");
 			} catch (NoSuchFieldException e) {
 				throw Javac.sneakyThrow(e);
 			}
@@ -180,12 +182,12 @@ public class JavacTreeMaker {
 			Field field = cache.get(c);
 			if (field == null) {
 				try {
-					field = c.getField(fieldName);
+					field = Permit.getField(c, fieldName);
 				} catch (NoSuchFieldException e) {
 					cache.putIfAbsent(c, NOSUCHFIELDEX_MARKER);
 					throw Javac.sneakyThrow(e);
 				}
-				field.setAccessible(true);
+				Permit.setAccessible(field);
 				Field old = cache.putIfAbsent(c, field);
 				if (old != null) field = old;
 			}
@@ -207,8 +209,7 @@ public class JavacTreeMaker {
 		static {
 			Method m = null;
 			try {
-				m = Type.class.getDeclaredMethod("getTag");
-				m.setAccessible(true);
+				m = Permit.getMethod(Type.class, "getTag");
 			} catch (NoSuchMethodException e) {}
 			TYPE_TYPETAG_METHOD = m;
 		}
@@ -255,8 +256,7 @@ public class JavacTreeMaker {
 		static {
 			Method m = null;
 			try {
-				m = JCTree.class.getDeclaredMethod("getTag");
-				m.setAccessible(true);
+				m = Permit.getMethod(JCTree.class, "getTag");
 			} catch (NoSuchMethodException e) {}
 			
 			if (m != null) {
@@ -265,8 +265,7 @@ public class JavacTreeMaker {
 			} else {
 				Field f = null;
 				try {
-					f = JCTree.class.getDeclaredField("tag");
-					f.setAccessible(true);
+					f = Permit.getField(JCTree.class, "tag");
 				} catch (NoSuchFieldException e) {}
 				TAG_FIELD = f;
 				TAG_METHOD = null;
@@ -381,7 +380,7 @@ public class JavacTreeMaker {
 			else throw new IllegalStateException("Lombok TreeMaker frontend issue: multiple matches when looking for method: " + m);
 		}
 		if (found == null) throw new IllegalStateException("Lombok TreeMaker frontend issue: no match when looking for method: " + m);
-		found.setAccessible(true);
+		Permit.setAccessible(found);
 		Object marker = METHOD_CACHE.putIfAbsent(m, found);
 		if (marker == null) return found;
 		return METHOD_CACHE.get(m);

src/utils/lombok/javac/PackageName.java

@@ -28,13 +28,15 @@ import com.sun.tools.javac.tree.JCTree.JCCompilationUnit;
 import com.sun.tools.javac.tree.JCTree.JCFieldAccess;
 import com.sun.tools.javac.tree.JCTree.JCIdent;
 
+import lombok.permit.Permit;
+
 // Supports JDK6-9
 public class PackageName {
 	private static final Method packageNameMethod = getPackageNameMethod();
 	
 	private static Method getPackageNameMethod() {
 		try {
-			return JCCompilationUnit.class.getDeclaredMethod("getPackageName");
+			return Permit.getMethod(JCCompilationUnit.class, "getPackageName");
 		} catch (Exception e) {
 			return null;
 		}

src/utils/lombok/javac/java6/CommentCollectingParserFactory.java

@@ -28,6 +28,8 @@ import com.sun.tools.javac.parser.Lexer;
 import com.sun.tools.javac.parser.Parser;
 import com.sun.tools.javac.util.Context;
 
+import lombok.permit.Permit;
+
 public class CommentCollectingParserFactory extends Parser.Factory {
 	static Context.Key<Parser.Factory> key() {
 		return parserFactoryKey;
@@ -49,8 +51,7 @@ public class CommentCollectingParserFactory extends Parser.Factory {
 		context.put(CommentCollectingParserFactory.key(), (Parser.Factory)null);
 		Field field;
 		try {
-			field = JavaCompiler.class.getDeclaredField("parserFactory");
-			field.setAccessible(true);
+			field = Permit.getField(JavaCompiler.class, "parserFactory");
 			field.set(compiler, new CommentCollectingParserFactory(context));
 		} catch (Exception e) {
 			throw new IllegalStateException("Could not set comment sensitive parser in the compiler", e);

src/utils/lombok/javac/java7/CommentCollectingParserFactory.java

@@ -30,6 +30,8 @@ import com.sun.tools.javac.parser.ParserFactory;
 import com.sun.tools.javac.parser.ScannerFactory;
 import com.sun.tools.javac.util.Context;
 
+import lombok.permit.Permit;
+
 public class CommentCollectingParserFactory extends ParserFactory {
 	private final Context context;
 	
@@ -56,8 +58,7 @@ public class CommentCollectingParserFactory extends ParserFactory {
 		context.put(CommentCollectingParserFactory.key(), (ParserFactory)null);
 		Field field;
 		try {
-			field = JavaCompiler.class.getDeclaredField("parserFactory");
-			field.setAccessible(true);
+			field = Permit.getField(JavaCompiler.class, "parserFactory");
 			field.set(compiler, new CommentCollectingParserFactory(context));
 		} catch (Exception e) {
 			throw new IllegalStateException("Could not set comment sensitive parser in the compiler", e);

src/utils/lombok/javac/java8/CommentCollectingParserFactory.java

@@ -30,6 +30,8 @@ import com.sun.tools.javac.parser.ParserFactory;
 import com.sun.tools.javac.parser.ScannerFactory;
 import com.sun.tools.javac.util.Context;
 
+import lombok.permit.Permit;
+
 public class CommentCollectingParserFactory extends ParserFactory {
 	private final Context context;
 	
@@ -66,8 +68,7 @@ public class CommentCollectingParserFactory extends ParserFactory {
 		context.put(CommentCollectingParserFactory.key(), (ParserFactory) null);
 		Field field;
 		try {
-			field = JavaCompiler.class.getDeclaredField("parserFactory");
-			field.setAccessible(true);
+			field = Permit.getField(JavaCompiler.class, "parserFactory");
 			field.set(compiler, new CommentCollectingParserFactory(context));
 		} catch (Exception e) {
 			throw new IllegalStateException("Could not set comment sensitive parser in the compiler", e);

src/utils/lombok/javac/java9/CommentCollectingParserFactory.java

@@ -30,6 +30,8 @@ import com.sun.tools.javac.parser.ParserFactory;
 import com.sun.tools.javac.parser.ScannerFactory;
 import com.sun.tools.javac.util.Context;
 
+import lombok.permit.Permit;
+
 public class CommentCollectingParserFactory extends ParserFactory {
 	private final Context context;
 	
@@ -60,8 +62,7 @@ public class CommentCollectingParserFactory extends ParserFactory {
 		context.put(CommentCollectingParserFactory.key(), (ParserFactory) null);
 		Field field;
 		try {
-			field = JavaCompiler.class.getDeclaredField("parserFactory");
-			field.setAccessible(true);
+			field = Permit.getField(JavaCompiler.class, "parserFactory");
 			field.set(compiler, new CommentCollectingParserFactory(context));
 		} catch (Exception e) {
 			throw new IllegalStateException("Could not set comment sensitive parser in the compiler", e);

src/utils/lombok/permit/Permit.java

@@ -0,0 +1,100 @@
+package lombok.permit;
+
+import java.lang.reflect.AccessibleObject;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+
+import com.sun.tools.javac.tree.JCTree.JCExpression;
+import com.sun.tools.javac.util.List;
+
+// sunapi suppresses javac's warning about using Unsafe; 'all' suppresses eclipse's warning about the unspecified 'sunapi' key. Leave them both.
+// Yes, javac's definition of the word 'all' is quite contrary to what the dictionary says it means. 'all' does NOT include 'sunapi' according to javac.
+@SuppressWarnings({"sunapi", "all"})
+public class Permit {
+	private Permit() {}
+	
+	
+	private static final long ACCESSIBLE_OVERRIDE_FIELD_OFFSET;
+	private static final IllegalAccessException INIT_ERROR;
+	private static final sun.misc.Unsafe UNSAFE = (sun.misc.Unsafe) reflectiveStaticFieldAccess(sun.misc.Unsafe.class, "theUnsafe");
+	
+	static {
+		Field f;
+		long g;
+		Throwable ex;
+		
+		try {
+			f = AccessibleObject.class.getDeclaredField("override");
+			g = UNSAFE.objectFieldOffset(f);
+			ex = null;
+		} catch (Throwable t) {
+			f = null;
+			g = -1L;
+			ex = t;
+		}
+		
+		ACCESSIBLE_OVERRIDE_FIELD_OFFSET = g;
+		if (ex == null) INIT_ERROR = null;
+		else if (ex instanceof IllegalAccessException) INIT_ERROR = (IllegalAccessException) ex;
+		else {
+			INIT_ERROR = new IllegalAccessException("Cannot initialize Unsafe-based permit");
+			INIT_ERROR.initCause(ex);
+		}
+	}
+	
+	public static <T extends AccessibleObject> T setAccessible(T accessor) {
+		if (INIT_ERROR == null) {
+			UNSAFE.putBoolean(accessor, ACCESSIBLE_OVERRIDE_FIELD_OFFSET, true);
+		} else {
+			accessor.setAccessible(true);
+		}
+		
+		return accessor;
+	}
+	
+	public static Method getMethod(Class<?> c, String mName, Class<?>... parameterTypes) throws NoSuchMethodException {
+		Method m = null;
+		Class<?> oc = c;
+		while (c != null) {
+			try {
+				m = c.getDeclaredMethod(mName, parameterTypes);
+				break;
+			} catch (NoSuchMethodException e) {}
+			c = c.getSuperclass();
+		}
+		
+		if (m == null) throw new NoSuchMethodException(oc.getName() + " :: " + mName + "(args)");
+		return setAccessible(m);
+	}
+	
+	public static Field getField(Class<?> c, String fName) throws NoSuchFieldException {
+		Field f = null;
+		Class<?> oc = c;
+		while (c != null) {
+			try {
+				f = c.getDeclaredField(fName);
+				break;
+			} catch (NoSuchFieldException e) {}
+			c = c.getSuperclass();
+		}
+		
+		if (f == null) throw new NoSuchFieldException(oc.getName() + " :: " + fName);
+		
+		return setAccessible(f);
+	}
+	
+	public static <T> Constructor<T> getConstructor(Class<T> c, Class<?>... parameterTypes) throws NoSuchMethodException {
+		return setAccessible(c.getDeclaredConstructor(parameterTypes));
+	}
+	
+	private static Object reflectiveStaticFieldAccess(Class<?> c, String fName) {
+		try {
+			Field f = c.getDeclaredField(fName);
+			f.setAccessible(true);
+			return f.get(null);
+		} catch (Exception e) {
+			return null;
+		}
+	}
+}

src/utils/lombok/permit/package-info.java

@@ -0,0 +1,8 @@
+/**
+ * This is a reduced copy of the nqzero Permit-reflect project.
+ * https://github.com/nqzero/permit-reflect
+ * 
+ * Many thanks to nqzero. The permit-reflect project is, like lombok itself, licensed under the MIT license.
+ * See https://github.com/nqzero/permit-reflect/blob/master/License for license info.
+ */
+package lombok.permit;