[jdk16] fix delombok (and the test suite, which depends on it) for jdk16.

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

@@ -480,7 +480,7 @@ public class LombokProcessor extends AbstractProcessor {
 	}
 	
 	/** Useful from jdk9 and up; required from jdk16 and up. This code is supposed to gracefully do nothing on jdk8 and below, as this operation isn't needed there. */
-	private static void addOpensForLombok() {
+	public static void addOpensForLombok() {
 		Class<?> cModule;
 		try {
 			cModule = Class.forName("java.lang.Module");

src/delombok/lombok/delombok/Delombok.java

@@ -61,6 +61,7 @@ import lombok.Lombok;
 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;
@@ -314,6 +315,7 @@ public class Delombok {
 				}
 			}
 			
+			LombokProcessor.addOpensForLombok();
 			delombok.delombok();
 		} catch (Exception e) {
 			if (!args.quiet) {

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.javac.apt.LombokProcessor;
 import lombok.permit.Permit;
 import lombok.spi.Provides;
 
@@ -173,6 +174,7 @@ public class DelombokApp extends LombokApp {
 	}
 	
 	private void runDirectly(List<String> args) {
+		LombokProcessor.addOpensForLombok();
 		Delombok.main(args.toArray(new String[0]));
 	}
 	

src/delombok/lombok/delombok/ant/DelombokTaskImpl.java

@@ -30,6 +30,7 @@ import java.util.List;
 
 import lombok.delombok.Delombok;
 import lombok.delombok.Delombok.InvalidFormatOptionException;
+import lombok.javac.apt.LombokProcessor;
 
 import org.apache.tools.ant.BuildException;
 import org.apache.tools.ant.Location;
@@ -46,6 +47,10 @@ public class DelombokTaskImpl {
 	private Path path;
 	private List<String> formatOptions = new ArrayList<String>();
 	
+	static {
+		LombokProcessor.addOpensForLombok();
+	}
+	
 	public void execute(Location location) throws BuildException {
 		if (fromDir == null && path == null) throw new BuildException("Either 'from' attribute, or nested <fileset> tags are required.");
 		if (fromDir != null && path != null) throw new BuildException("You can't specify both 'from' attribute and nested filesets. You need one or the other.");

test/core/src/lombok/RunTestsViaDelombok.java

@@ -62,10 +62,15 @@ import lombok.delombok.Delombok;
 import lombok.javac.CapturingDiagnosticListener;
 import lombok.javac.Javac;
 import lombok.javac.CapturingDiagnosticListener.CompilerMessage;
+import lombok.javac.apt.LombokProcessor;
 
 public class RunTestsViaDelombok extends AbstractRunTests {
 	private Delombok delombok = new Delombok();
 	
+	static {
+		LombokProcessor.addOpensForLombok();
+	}
+	
 	@Override
 	public boolean transformCode(Collection<CompilerMessage> messages, StringWriter result, final File file, String encoding, Map<String, String> formatPreferences, int version, boolean checkPositions) throws Throwable {
 		delombok.setVerbose(true);