Revert "Bug 573941 - [17][switch pattern][ast dom] AST DOM changes for JEP 406"

This reverts commit 58e496e94689961fc9b268ef7314bda7fe578f4a.

Reason for revert: As Merge from master to Beta is blocked by this.
https://git.eclipse.org/r/c/jdt/eclipse.jdt.core/+/183809

Change-Id: If011afe3bef6bb74ec9eb2ec7c2c0fee95a87d3d
Reviewed-on: https://git.eclipse.org/r/c/jdt/eclipse.jdt.core/+/183765
Tested-by: Sarika Sinha <sarika.sinha@in.ibm.com>
Reviewed-by: Sarika Sinha <sarika.sinha@in.ibm.com>

1 files changed, 0 insertions, 117 deletions

diff --git a/org.eclipse.jdt.core/dom/org/eclipse/jdt/core/dom/NullPattern.java b/org.eclipse.jdt.core/dom/org/eclipse/jdt/core/dom/NullPattern.java
deleted file mode 100644
index 71f12afaf5..0000000000
--- a/org.eclipse.jdt.core/dom/org/eclipse/jdt/core/dom/NullPattern.java
+++ /dev/null
@@ -1,117 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2021 IBM Corporation and others.
- *
- * This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License 2.0
- * which accompanies this distribution, and is available at
- * https://www.eclipse.org/legal/epl-2.0/
- *
- * SPDX-License-Identifier: EPL-2.0
- *
- * This is an implementation of an early-draft specification developed under the Java
- * Community Process (JCP) and is made available for testing and evaluation purposes
- * only. The code is not compatible with any specification of the JCP.
- *
- * Contributors:
- *     IBM Corporation - initial API and implementation
- *******************************************************************************/
-
-package org.eclipse.jdt.core.dom;
-
-import java.util.ArrayList;
-import java.util.List;
-
-/**
- * Null Pattern node.
- *
- * @since 3.27 BETA_JAVA17
- * @noreference This class is not intended to be referenced by clients.
- * @noinstantiate This class is not intended to be instantiated by clients.
- */
-@SuppressWarnings("rawtypes")
-public class NullPattern extends Pattern {
-
-	/**
-	 * A list of property descriptors (element type:
-	 * {@link StructuralPropertyDescriptor}),
-	 * or null if uninitialized.
-	 */
-	private static final List PROPERTY_DESCRIPTORS;
-
-	static {
-		List propertyList = new ArrayList(1);
-		createPropertyList(NullPattern.class, propertyList);
-		PROPERTY_DESCRIPTORS = reapPropertyList(propertyList);
-	}
-
-	/**
-	 * Returns a list of structural property descriptors for this node type.
-	 * Clients must not modify the result.
-	 *
-	 * @param apiLevel the API level; one of the
-	 * <code>AST.JLS*</code> constants
-
-	 * @return a list of property descriptors (element type:
-	 * {@link StructuralPropertyDescriptor})
-	 */
-	public static List propertyDescriptors(int apiLevel) {
-		return PROPERTY_DESCRIPTORS;
-	}
-
-	/**
-	 * Creates a new unparented null literal node owned by the given AST.
-	 * <p>
-	 * N.B. This constructor is package-private.
-	 * </p>
-	 *
-	 * @param ast the AST that is to own this node
-	 */
-	NullPattern(AST ast) {
-		super(ast);
-	}
-
-	@Override
-	final List internalStructuralPropertiesForType(int apiLevel) {
-		return propertyDescriptors(apiLevel);
-	}
-
-	@Override
-	final int getNodeType0() {
-		return NULL_PATTERN;
-	}
-
-	@Override
-	ASTNode clone0(AST target) {
-		NullPattern result = new NullPattern(target);
-		result.setSourceRange(getStartPosition(), getLength());
-		return result;
-	}
-
-	@Override
-	final boolean subtreeMatch0(ASTMatcher matcher, Object other) {
-		// dispatch to correct overloaded match method
-		return matcher.match(this, other);
-	}
-
-	@Override
-	void accept0(ASTVisitor visitor) {
-		visitor.visit(this);
-		visitor.endVisit(this);
-	}
-
-	@Override
-	int memSize() {
-		return BASE_NODE_SIZE;
-	}
-
-	@Override
-	int treeSize() {
-		return memSize();
-	}
-
-	@Override
-	public List<SingleVariableDeclaration> patternVariables() {
-		return null;
-	}
-}
-