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1 /*
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2 * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved. This
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3 * code is released under a tri EPL/GPL/LGPL license. You can use it,
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4 * redistribute it and/or modify it under the terms of the:
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5 *
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6 * Eclipse Public License version 1.0
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7 * GNU General Public License version 2
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8 * GNU Lesser General Public License version 2.1
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9 */
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10 package com.oracle.truffle.ruby.nodes.literal;
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11
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12 import com.oracle.truffle.api.*;
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13 import com.oracle.truffle.api.dsl.*;
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14 import com.oracle.truffle.api.nodes.*;
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15 import com.oracle.truffle.ruby.nodes.*;
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16 import com.oracle.truffle.ruby.runtime.*;
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17 import com.oracle.truffle.ruby.runtime.core.range.*;
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18
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19 @NodeInfo(shortName = "range")
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20 @NodeChildren({@NodeChild("begin"), @NodeChild("end")})
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21 public abstract class RangeLiteralNode extends RubyNode {
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22
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23 private final boolean excludeEnd;
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24
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25 public RangeLiteralNode(RubyContext context, SourceSection sourceSection, boolean excludeEnd) {
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26 super(context, sourceSection);
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27 this.excludeEnd = excludeEnd;
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28 }
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29
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30 public RangeLiteralNode(RangeLiteralNode prev) {
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31 this(prev.getContext(), prev.getSourceSection(), prev.excludeEnd);
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32 }
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33
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34 @Specialization
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35 public FixnumRange doFixnum(int begin, int end) {
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36 return new FixnumRange(getContext().getCoreLibrary().getRangeClass(), begin, end, excludeEnd);
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37 }
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38
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39 @Generic
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40 public Object doGeneric(Object begin, Object end) {
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41 final RubyContext context = getContext();
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42
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43 if ((begin instanceof Integer) && (end instanceof Integer)) {
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44 return doFixnum((int) begin, (int) end);
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45 } else {
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46 return new ObjectRange(context.getCoreLibrary().getRangeClass(), begin, end, excludeEnd);
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47 }
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48 }
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49
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50 }
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