--- old/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/ir/CatchNode.java	2020-04-15 18:47:37.000000000 +0530
+++ /dev/null	2020-04-15 18:47:37.000000000 +0530
@@ -1,198 +0,0 @@
-/*
- * Copyright (c) 2010, 2013, 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 jdk.nashorn.internal.ir;
-
-import jdk.nashorn.internal.ir.annotations.Immutable;
-import jdk.nashorn.internal.ir.visitor.NodeVisitor;
-
-/**
- * IR representation of a catch clause.
- */
-@Immutable
-public final class CatchNode extends Statement {
-    private static final long serialVersionUID = 1L;
-
-    /** Exception binding identifier or binding pattern. */
-    private final Expression exception;
-
-    /** Exception condition. */
-    private final Expression exceptionCondition;
-
-    /** Catch body. */
-    private final Block body;
-
-    private final boolean isSyntheticRethrow;
-
-    /**
-     * Constructors
-     *
-     * @param lineNumber         lineNumber
-     * @param token              token
-     * @param finish             finish
-     * @param exception          variable name or pattern of exception
-     * @param exceptionCondition exception condition
-     * @param body               catch body
-     * @param isSyntheticRethrow true if this node is a synthetically generated rethrow node.
-     */
-    public CatchNode(final int lineNumber, final long token, final int finish, final Expression exception,
-            final Expression exceptionCondition, final Block body, final boolean isSyntheticRethrow) {
-        super(lineNumber, token, finish);
-        if (exception instanceof IdentNode) {
-            this.exception = ((IdentNode) exception).setIsInitializedHere();
-        } else if ((exception instanceof LiteralNode.ArrayLiteralNode) || (exception instanceof ObjectNode)) {
-            this.exception = exception;
-        } else {
-            throw new IllegalArgumentException("invalid catch parameter");
-        }
-        this.exceptionCondition = exceptionCondition;
-        this.body = body;
-        this.isSyntheticRethrow = isSyntheticRethrow;
-    }
-
-    private CatchNode(final CatchNode catchNode, final Expression exception, final Expression exceptionCondition,
-            final Block body, final boolean isSyntheticRethrow) {
-        super(catchNode);
-        this.exception          = exception;
-        this.exceptionCondition = exceptionCondition;
-        this.body               = body;
-        this.isSyntheticRethrow = isSyntheticRethrow;
-    }
-
-    /**
-     * Assist in IR navigation.
-     * @param visitor IR navigating visitor.
-     */
-    @Override
-    public Node accept(final NodeVisitor<? extends LexicalContext> visitor) {
-        if (visitor.enterCatchNode(this)) {
-            return visitor.leaveCatchNode(
-                    setException((Expression) exception.accept(visitor)).
-                            setExceptionCondition(exceptionCondition == null ? null : (Expression) exceptionCondition.accept(visitor)).
-                            setBody((Block) body.accept(visitor)));
-        }
-        return this;
-    }
-
-    @Override
-    public boolean isTerminal() {
-        return body.isTerminal();
-    }
-
-    @Override
-    public void toString(final StringBuilder sb, final boolean printTypes) {
-        sb.append(" catch (");
-        exception.toString(sb, printTypes);
-
-        if (exceptionCondition != null) {
-            sb.append(" if ");
-            exceptionCondition.toString(sb, printTypes);
-        }
-        sb.append(')');
-    }
-
-    /**
-     * Get the binding pattern representing the exception thrown
-     *
-     * @return the exception binding pattern
-     */
-    public Expression getException() {
-        return exception;
-    }
-
-    /**
-     * Get the identifier representing the exception thrown
-     *
-     * @return the exception identifier
-     * @throws ClassCastException if exception set is not binding identifier
-     */
-    public IdentNode getExceptionIdentifier() {
-        return (IdentNode) exception;
-    }
-
-    /**
-     * Get the exception condition for this catch block
-     * @return the exception condition
-     */
-    public Expression getExceptionCondition() {
-        return exceptionCondition;
-    }
-
-    /**
-     * Reset the exception condition for this catch block
-     * @param exceptionCondition the new exception condition
-     * @return new or same CatchNode
-     */
-    public CatchNode setExceptionCondition(final Expression exceptionCondition) {
-        if (this.exceptionCondition == exceptionCondition) {
-            return this;
-        }
-        return new CatchNode(this, exception, exceptionCondition, body, isSyntheticRethrow);
-    }
-
-    /**
-     * Get the body for this catch block
-     * @return the catch block body
-     */
-    public Block getBody() {
-        return body;
-    }
-
-    /**
-     * Resets the exception of a catch block
-     *
-     * @param exception new exception which can be binding identifier or binding
-     * pattern
-     * @return new catch node if changed, same otherwise
-     */
-    public CatchNode setException(final Expression exception) {
-        if (this.exception == exception) {
-            return this;
-        }
-        /*check if exception is legitimate*/
-        if (!((exception instanceof IdentNode) || (exception instanceof LiteralNode.ArrayLiteralNode) || (exception instanceof ObjectNode))) {
-            throw new IllegalArgumentException("invalid catch parameter");
-        }
-        return new CatchNode(this, exception, exceptionCondition, body, isSyntheticRethrow);
-    }
-
-    private CatchNode setBody(final Block body) {
-        if (this.body == body) {
-            return this;
-        }
-        return new CatchNode(this, exception, exceptionCondition, body, isSyntheticRethrow);
-    }
-
-    /**
-     * Is this catch block a non-JavaScript constructor, for example created as
-     * part of the rethrow mechanism of a finally block in Lower? Then we just
-     * pass the exception on and need not unwrap whatever is in the ECMAException
-     * object catch symbol
-     * @return true if a finally synthetic rethrow
-     */
-    public boolean isSyntheticRethrow() {
-        return isSyntheticRethrow;
-    }
-}