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annotate graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/controlflow/SLFunctionBodyNode.java @ 13761:7c418666c6c9

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Refactoring and cleanup of Simple Language (more to come soon)
author Christian Wimmer <christian.wimmer@oracle.com>
date Fri, 24 Jan 2014 18:16:24 -0800
parents graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/FunctionBodyNode.java@71991b7a0f14
children b16ec83edc73
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1 /*
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2 * Copyright (c) 2012, 2012, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
71991b7a0f14 SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
71991b7a0f14 SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
71991b7a0f14 SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
71991b7a0f14 SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.truffle.sl.nodes.controlflow;
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24
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25 import com.oracle.truffle.api.frame.*;
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26 import com.oracle.truffle.api.nodes.*;
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27 import com.oracle.truffle.sl.nodes.*;
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28 import com.oracle.truffle.sl.runtime.*;
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29
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30 public class SLFunctionBodyNode extends SLExpressionNode {
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31
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32 @Child private SLStatementNode body;
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33
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34 private FrameDescriptor frameDescriptor;
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35
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36 public SLFunctionBodyNode(FrameDescriptor frameDescriptor, SLStatementNode body) {
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37 this.frameDescriptor = frameDescriptor;
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38 this.body = adoptChild(body);
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39 }
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40
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41 @Override
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42 public Object executeGeneric(VirtualFrame frame) {
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43 try {
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44 body.executeVoid(frame);
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45 } catch (SLReturnException ex) {
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46 return ex.getResult();
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47 }
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48 return SLNull.INSTANCE;
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49 }
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50
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51 @Override
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52 public Node copy() {
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53 SLFunctionBodyNode copy = (SLFunctionBodyNode) super.copy();
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54 copy.frameDescriptor = frameDescriptor.shallowCopy();
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55 return copy;
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56 }
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57
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58 public FrameDescriptor getFrameDescriptor() {
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59 return frameDescriptor;
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60 }
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61 }