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/*
* 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.codegen.CompileUnit;
import jdk.nashorn.internal.ir.annotations.Immutable;
import jdk.nashorn.internal.ir.visitor.NodeVisitor;
/**
* Node indicating code is split across classes.
*/
@Immutable
public class SplitNode extends LexicalContextNode {
/** Split node method name. */
private final String name;
/** Compilation unit. */
private final CompileUnit compileUnit;
/** Body of split code. */
private final Node body;
/**
* Constructor
*
* @param name name of split node
* @param body body of split code
* @param compileUnit compile unit to use for the body
*/
public SplitNode(final String name, final Node body, final CompileUnit compileUnit) {
super(body.getSource(), body.getToken(), body.getFinish());
this.name = name;
this.body = body;
this.compileUnit = compileUnit;
}
private SplitNode(final SplitNode splitNode, final Node body) {
super(splitNode);
this.name = splitNode.name;
this.body = body;
this.compileUnit = splitNode.compileUnit;
}
/**
* Get the body for this split node - i.e. the actual code it encloses
* @return body for split node
*/
public Node getBody() {
return body;
}
private SplitNode setBody(final LexicalContext lc, final Node body) {
if (this.body == body) {
return this;
}
return Node.replaceInLexicalContext(lc, this, new SplitNode(this, body));
}
@Override
public Node accept(final LexicalContext lc, final NodeVisitor visitor) {
if (visitor.enterSplitNode(this)) {
return visitor.leaveSplitNode(setBody(lc, body.accept(visitor)));
}
return this;
}
@Override
public void toString(final StringBuilder sb) {
sb.append("<split>(");
sb.append(compileUnit.getClass().getSimpleName());
sb.append(") ");
body.toString(sb);
}
/**
* Get the name for this split node
* @return name
*/
public String getName() {
return name;
}
/**
* Get the compile unit for this split node
* @return compile unit
*/
public CompileUnit getCompileUnit() {
return compileUnit;
}
}
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