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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.frame.*;
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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.*;
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18
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19 @NodeInfo(shortName = "hash")
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20 public class HashLiteralNode extends RubyNode {
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21
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22 @Children protected final RubyNode[] keys;
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23 @Children protected final RubyNode[] values;
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24
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25 public HashLiteralNode(SourceSection sourceSection, RubyNode[] keys, RubyNode[] values, RubyContext context) {
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26 super(context, sourceSection);
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27 assert keys.length == values.length;
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28 this.keys = adoptChildren(keys);
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29 this.values = adoptChildren(values);
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30 }
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31
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32 @ExplodeLoop
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33 @Override
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34 public Object execute(VirtualFrame frame) {
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35 final RubyHash hash = new RubyHash(getContext().getCoreLibrary().getHashClass());
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36
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37 for (int n = 0; n < keys.length; n++) {
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38 hash.put(keys[n].execute(frame), values[n].execute(frame));
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39 }
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40
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41 return hash;
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42 }
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43
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44 }
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