Add tests and framework changes for code assist and DOM

JCL/converterJclMin21/.settings/org.eclipse.jdt.core.prefs

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+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=21
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=21
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=enabled
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
+org.eclipse.jdt.core.compiler.release=enabled
+org.eclipse.jdt.core.compiler.source=21

JCL/converterJclMin21/src/META-INF/MANIFEST.MF

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+Manifest-Version: 1.0
+Created-By: 1.8.0_151 (Oracle Corporation)
+

JCL/converterJclMin21/src/java/io/InputStream.java

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+package java.io;
+
+public class InputStream {
+
+}

JCL/converterJclMin21/src/java/io/PrintStream.java

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+package java.io;
+
+public class PrintStream {
+    public void println(String x) {
+    }
+    public void println(int x) {
+    }
+}

JCL/converterJclMin21/src/java/io/Serializable.java

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+package java.io;
+
+public interface Serializable {
+}

JCL/converterJclMin21/src/java/lang/CharSequence.java

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+package java.lang;
+
+public interface CharSequence {
+	int length();
+}

JCL/converterJclMin21/src/java/lang/Class.java

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+package java.lang;
+
+public class Class<T> {
+}

JCL/converterJclMin21/src/java/lang/ClassNotFoundException.java

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+package java.lang;
+
+public class ClassNotFoundException extends ReflectiveOperationException {
+
+    public ClassNotFoundException() {
+        super((Throwable)null);  // Disallow initCause
+    }
+
+    public ClassNotFoundException(String s) {
+        super(s, null);  //  Disallow initCause
+    }
+
+    public ClassNotFoundException(String s, Throwable ex) {
+        super(s, ex);  //  Disallow initCause
+    }
+
+    public Throwable getException() {
+        return getCause();
+    }
+}

JCL/converterJclMin21/src/java/lang/CloneNotSupportedException.java

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+package java.lang;
+
+public class CloneNotSupportedException extends Exception {
+}

JCL/converterJclMin21/src/java/lang/Comparable.java

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+package java.lang;
+
+public interface Comparable<T> {
+}

JCL/converterJclMin21/src/java/lang/Deprecated.java

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+package java.lang;
+import java.lang.annotation.*;
+@Documented
+@Retention(RetentionPolicy.RUNTIME)
+public @interface Deprecated {
+}

JCL/converterJclMin21/src/java/lang/Enum.java

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+package java.lang;
+
+public abstract class Enum<T extends Enum<T>> implements Comparable<T>, java.io.Serializable {
+	private static final long serialVersionUID = 2L;
+
+	protected Enum(String name, int ordinal) {
+	}
+	public final String name() {
+		return null;
+	}
+	public final int ordinal() {
+		return 0;
+	}
+	public static <T extends Enum<T>> T valueOf(Class<T> enumClass,
+			String name) {
+		return null;   
+	}
+}

JCL/converterJclMin21/src/java/lang/Error.java

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+package java.lang;
+
+public class Error extends Throwable {
+
+	public Error(java.lang.String s) {
+		// TODO Auto-generated constructor stub
+	}
+
+	public Error(java.lang.String s, java.lang.Throwable cause) {
+		// TODO Auto-generated constructor stub
+	}
+
+	public Error() {
+		// TODO Auto-generated constructor stub
+	}
+}

JCL/converterJclMin21/src/java/lang/Exception.java

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+package java.lang;
+
+public class Exception extends Throwable {
+    public Exception() {
+        super();
+    }
+
+    public Exception(String message) {
+        super(message);
+    }
+
+    public Exception(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    public Exception(Throwable cause) {
+        super(cause);
+    }
+}

JCL/converterJclMin21/src/java/lang/IllegalAccessException.java

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+package java.lang;
+
+public class IllegalAccessException extends RuntimeException {
+
+}

JCL/converterJclMin21/src/java/lang/IllegalMonitorStateException.java

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+package java.lang;
+
+public class IllegalMonitorStateException extends RuntimeException {
+}

JCL/converterJclMin21/src/java/lang/IncompatibleClassChangeError.java

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+
+package java.lang;
+public
+class IncompatibleClassChangeError extends LinkageError {
+
+    public IncompatibleClassChangeError () {
+        super();
+    }
+
+    public IncompatibleClassChangeError(String s) {
+        super(s);
+    }
+}

JCL/converterJclMin21/src/java/lang/Integer.java

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+/*******************************************************************************
+ * Copyright (c) 2000, 2004 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package java.lang;
+
+public class Integer extends Number implements Comparable<Integer> {
+	private static final long serialVersionUID = 6462609062775655000L;
+
+	public Integer(int i) {
+	}
+	public Integer(String s) {
+	}
+	public static final int MAX_VALUE= 2147483647;
+	public static final int MIN_VALUE= -2147483647;
+
+	public static int parseInt(String s) {
+		return 0;
+	}
+	public static String toHexString(int i) {
+		return null;
+	}
+	public static String toString(int i) {
+		return null;
+	}
+	/* (non-Javadoc)
+	 * @see java.lang.Number#doubleValue()
+	 */
+	public double doubleValue() {
+		return 0;
+	}
+	/* (non-Javadoc)
+	 * @see java.lang.Number#floatValue()
+	 */
+	public float floatValue() {
+		return 0;
+	}
+	/* (non-Javadoc)
+	 * @see java.lang.Number#intValue()
+	 */
+	public int intValue() {
+		return 0;
+	}
+	/* (non-Javadoc)
+	 * @see java.lang.Number#longValue()
+	 */
+	public long longValue() {
+		return 0;
+	}
+	public int compareTo(Integer i) {
+		return 0;
+	}
+}

JCL/converterJclMin21/src/java/lang/InterruptedException.java

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+package java.lang;
+
+public class InterruptedException extends Exception {
+}

JCL/converterJclMin21/src/java/lang/Iterable.java

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+package java.lang;
+
+import java.util.Iterator;
+import java.util.function.Consumer;
+
+public interface Iterable<T> {
+    Iterator<T> iterator();
+    default void forEach(Consumer<? super T> action) {
+    }
+}

JCL/converterJclMin21/src/java/lang/LinkageError.java

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+package java.lang;
+
+public
+class LinkageError extends Error {
+
+    public LinkageError() {
+        super();
+    }
+
+    public LinkageError(String s) {
+        super(s);
+    }
+
+    public LinkageError(String s, Throwable cause) {
+        super(s, cause);
+    }
+}

JCL/converterJclMin21/src/java/lang/NoClassDefFoundError.java

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+package java.lang;
+
+public
+class NoClassDefFoundError extends LinkageError {
+
+    public NoClassDefFoundError() {
+        super();
+    }
+
+    public NoClassDefFoundError(String s) {
+        super(s);
+    }
+}

JCL/converterJclMin21/src/java/lang/NoSuchFieldError.java

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+package java.lang;
+
+public
+class NoSuchFieldError extends IncompatibleClassChangeError {
+
+    public NoSuchFieldError() {
+        super();
+    }
+
+    public NoSuchFieldError(String s) {
+        super(s);
+    }
+}

JCL/converterJclMin21/src/java/lang/NoSuchMethodException.java

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+package java.lang;
+
+public class NoSuchMethodException extends RuntimeException {
+
+}

JCL/converterJclMin21/src/java/lang/NullPointerException.java

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+package java.lang;
+public
+class NullPointerException extends RuntimeException {
+    public NullPointerException() {
+        super();
+    }
+
+    public NullPointerException(String s) {
+        super(s);
+    }
+}

JCL/converterJclMin21/src/java/lang/Number.java

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+/*
+ * Copyright (c) 1994, 2021, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package java.lang;
+
+public abstract class Number implements java.io.Serializable {
+}

JCL/converterJclMin21/src/java/lang/Object.java

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+package java.lang;
+
+public class Object {
+
+public Object() {
+}
+protected Object clone() throws CloneNotSupportedException {
+	return null;
+}
+public boolean equals (Object obj) {
+	return false;
+}
+protected void finalize () throws Throwable {
+}
+public final Class<? extends Object> getClass() {
+	return null;
+}
+public int hashCode() {
+	return -1;
+}
+public final void notify() throws IllegalMonitorStateException {
+}
+public final void notifyAll() throws IllegalMonitorStateException {
+}
+public String toString () {
+	return null;
+}
+public final void wait () throws IllegalMonitorStateException, InterruptedException {
+}
+public final void wait (long millis) throws IllegalMonitorStateException, InterruptedException {
+}
+public final void wait (long millis, int nanos) throws IllegalMonitorStateException, InterruptedException {
+}
+}

JCL/converterJclMin21/src/java/lang/Override.java

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+package java.lang;
+
+import java.lang.annotation.*;
+@Target(ElementType.METHOD)
+@Retention(RetentionPolicy.SOURCE)
+public @interface Override {
+}

JCL/converterJclMin21/src/java/lang/Record.java

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+package java.lang;
+public abstract class Record {
+    @Override
+    public abstract boolean equals(Object obj);
+    @Override
+    public abstract int hashCode();
+    @Override
+    public abstract String toString();
+}