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annotate graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/FunctionDefinitionNode.java @ 7503:31da1716950f

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Updated truffle-sl for the changed operation code generation.
author Christian Humer <christian.humer@gmail.com>
date Fri, 18 Jan 2013 13:29:14 +0100
parents 213c1297a814
children 5e3d1a68664e
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213c1297a814 Simple Language: A simple dynamic programming language to demonstrate Truffle features
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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
213c1297a814 Simple Language: A simple dynamic programming language to demonstrate Truffle features
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
213c1297a814 Simple Language: A simple dynamic programming language to demonstrate Truffle features
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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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 *
213c1297a814 Simple Language: A simple dynamic programming language to demonstrate Truffle features
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15 * You should have received a copy of the GNU General Public License version
213c1297a814 Simple Language: A simple dynamic programming language to demonstrate Truffle features
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16 * 2 along with this work; if not, write to the Free Software Foundation,
213c1297a814 Simple Language: A simple dynamic programming language to demonstrate Truffle features
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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
213c1297a814 Simple Language: A simple dynamic programming language to demonstrate Truffle features
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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;
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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
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28 public class FunctionDefinitionNode extends RootNode {
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29
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30 @Child
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31 private StatementNode body;
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32
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33 @Child
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34 private TypedNode returnValue;
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35
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36 private final FrameDescriptor frameDescriptor;
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37 private final String name;
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38
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39 public FunctionDefinitionNode(StatementNode body, FrameDescriptor frameDescriptor, String name, TypedNode returnValue) {
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40 this.body = adoptChild(body);
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41 this.frameDescriptor = frameDescriptor;
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42 this.name = name;
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43 this.returnValue = adoptChild(returnValue);
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44 }
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45
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46
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47 @Override
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48 public Object execute(VirtualFrame frame) {
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49 try {
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50 body.executeVoid(frame);
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51 } catch (ReturnException ex) {
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52 // Nothing to do, we just need to return.
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53 }
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54 if (returnValue != null) {
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55 return returnValue.executeGeneric(frame);
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56 } else {
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57 return null;
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58 }
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59 }
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60
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61 public FrameDescriptor getFrameDescriptor() {
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62 return frameDescriptor;
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63 }
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64
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65 @Override
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66 public String toString() {
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67 return "Function " + name + "@" + Integer.toHexString(hashCode());
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68 }
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69 }