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/*
***** BEGIN LICENSE BLOCK *****
* Version: EPL 1.0/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Eclipse Public
* License Version 1.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.eclipse.org/legal/epl-v10.html
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* Copyright (C) 2002 Jan Arne Petersen <jpetersen@uni-bonn.de>
* Copyright (C) 2002 Benoit Cerrina <b.cerrina@wanadoo.fr>
* Copyright (C) 2002-2004 Anders Bengtsson <ndrsbngtssn@yahoo.se>
* Copyright (C) 2004 Thomas E Enebo <enebo@acm.org>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the EPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the EPL, the GPL or the LGPL.
***** END LICENSE BLOCK *****/
package org.jruby.ast;
import java.util.List;
import org.jruby.Ruby;
import org.jruby.RubyFixnum;
import org.jruby.ast.types.IEqlNode;
import org.jruby.ast.types.ILiteralNode;
import org.jruby.ast.visitor.NodeVisitor;
import org.jruby.lexer.yacc.ISourcePosition;
import org.jruby.runtime.Block;
import org.jruby.runtime.ThreadContext;
import org.jruby.runtime.builtin.IRubyObject;
/**
* Represents an integer literal.
*/
public class FixnumNode extends Node implements ILiteralNode, IEqlNode {
private long value;
private RubyFixnum fixnum;
public FixnumNode(ISourcePosition position, long value) {
super(position);
this.value = value;
}
public Object accept(NodeVisitor iVisitor) {
return iVisitor.visitFixnumNode(this);
}
public NodeType getNodeType() {
return NodeType.FIXNUMNODE;
}
/**
* Gets the value.
* @return Returns a long
*/
public long getValue() {
return value;
}
public void setValue(long value) {
// This should never happen past parse, but just bulletproof this just in case
if (fixnum != null) {
fixnum = null;
}
this.value = value;
}
public RubyFixnum getFixnum(Ruby runtime) {
if (fixnum == null) {
return fixnum = RubyFixnum.newFixnum(runtime, value);
}
return fixnum;
}
public List<Node> childNodes() {
return EMPTY_LIST;
}
@Override
public IRubyObject interpret(Ruby runtime, ThreadContext context, IRubyObject self, Block aBlock) {
return getFixnum(runtime);
}
public boolean eql(IRubyObject otherValue, ThreadContext context, Ruby runtime, IRubyObject self, Block aBlock) {
if (otherValue instanceof RubyFixnum) return value == ((RubyFixnum)otherValue).getLongValue();
return getFixnum(runtime).op_equal(context, otherValue).isTrue();
}
}