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annotate graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/ReadFunctionNode.java @ 12752:71991b7a0f14

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SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
author Christian Humer <christian.humer@gmail.com>
date Mon, 11 Nov 2013 21:34:44 +0100
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children d4c6dd07be76
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12752
71991b7a0f14 SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
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1 /*
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2 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
71991b7a0f14 SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
71991b7a0f14 SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
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4 *
71991b7a0f14 SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
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5 * This code is free software; you can redistribute it and/or modify it
71991b7a0f14 SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
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6 * under the terms of the GNU General Public License version 2 only, as
71991b7a0f14 SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
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7 * published by the Free Software Foundation.
71991b7a0f14 SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
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8 *
71991b7a0f14 SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
71991b7a0f14 SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
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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.
Christian Humer <christian.humer@gmail.com>
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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.
Christian Humer <christian.humer@gmail.com>
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12 * version 2 for more details (a copy is included in the LICENSE file that
71991b7a0f14 SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
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13 * accompanied this code).
71991b7a0f14 SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
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14 *
71991b7a0f14 SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
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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.
Christian Humer <christian.humer@gmail.com>
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16 * 2 along with this work; if not, write to the Free Software Foundation,
71991b7a0f14 SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
71991b7a0f14 SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
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18 *
71991b7a0f14 SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
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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.
Christian Humer <christian.humer@gmail.com>
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20 * or visit www.oracle.com if you need additional information or have any
71991b7a0f14 SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
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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.*;
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26 import com.oracle.truffle.api.CompilerDirectives.CompilationFinal;
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27 import com.oracle.truffle.api.frame.*;
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28 import com.oracle.truffle.sl.runtime.*;
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29
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30 public final class ReadFunctionNode extends TypedNode {
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31
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32 private final SLFunctionRegistry registry;
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33 private final String name;
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34
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35 @CompilationFinal private boolean seenInvalidFunction;
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36
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37 public ReadFunctionNode(SLFunctionRegistry registry, String name) {
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38 this.registry = registry;
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39 this.name = name;
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40 }
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41
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42 @Override
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43 public Object executeGeneric(VirtualFrame frame) {
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44 return executeCallTarget(frame);
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45 }
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46
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47 @Override
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48 public CallTarget executeCallTarget(VirtualFrame frame) {
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49 CallTarget target = registry.lookup(name);
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50 if (target != null) {
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51 return target;
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52 }
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53 if (!seenInvalidFunction) {
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54 CompilerDirectives.transferToInterpreter();
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55 seenInvalidFunction = true;
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56 }
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57 if (seenInvalidFunction) {
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58 throw new RuntimeException("Function with name '" + name + "' not found.");
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59 }
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60 return null;
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61 }
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62
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63 }