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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.control;
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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
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18 /**
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19 * A sequence of statements to be executed in serial.
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20 */
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21 @NodeInfo(shortName = "sequence")
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22 public final class SequenceNode extends RubyNode {
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23
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24 @Children protected final RubyNode[] body;
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25
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26 public SequenceNode(RubyContext context, SourceSection sourceSection, RubyNode... body) {
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27 super(context, sourceSection);
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28 this.body = adoptChildren(body);
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29 }
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30
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31 @ExplodeLoop
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32 @Override
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33 public Object execute(VirtualFrame frame) {
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34 for (int n = 0; n < body.length - 1; n++) {
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35 body[n].executeVoid(frame);
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36 }
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37
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38 return body[body.length - 1].execute(frame);
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39 }
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40
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41 @ExplodeLoop
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42 @Override
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43 public void executeVoid(VirtualFrame frame) {
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44 for (int n = 0; n < body.length; n++) {
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45 body[n].executeVoid(frame);
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46 }
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47 }
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48
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49 }
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