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annotate graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/operation/ShortCircuitParser.java @ 7291:a748e4d44694

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Truffle API to specify type-specalized Node classes; annotation processor for automatic code generation of the type-specialized Node classes during the build process
author Christian Humer <christian.humer@gmail.com>
date Fri, 21 Dec 2012 10:44:31 -0800
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7291
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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
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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 *
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15 * You should have received a copy of the GNU General Public License version
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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
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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.codegen.processor.operation;
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24
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25 import java.lang.annotation.*;
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26 import java.util.*;
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27
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28 import javax.lang.model.element.*;
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29
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30 import com.oracle.truffle.api.codegen.*;
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31 import com.oracle.truffle.codegen.processor.*;
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32 import com.oracle.truffle.codegen.processor.template.*;
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33 import com.oracle.truffle.codegen.processor.template.ParameterSpec.Kind;
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34
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36 public class ShortCircuitParser extends OperationMethodParser<ShortCircuitData> {
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37
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38 private final Set<String> shortCircuitValues;
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40 public ShortCircuitParser(ProcessorContext context, OperationData operation) {
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41 super(context, operation);
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42 shortCircuitValues = new HashSet<>(Arrays.asList(operation.getShortCircuitValues()));
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43 }
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44
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45 @Override
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46 public MethodSpec createSpecification(ExecutableElement method, AnnotationMirror mirror) {
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47 String shortCircuitValue = Utils.getAnnotationValueString(mirror, "value");
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48
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49 if (!shortCircuitValues.contains(shortCircuitValue)) {
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50 getContext().getLog().error(method, mirror, "Invalid short circuit value %s.", shortCircuitValue);
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51 return null;
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52 }
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54 return createDefaultMethodSpec(shortCircuitValue);
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55 }
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57 @Override
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58 protected ParameterSpec createReturnParameterSpec() {
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59 return new ParameterSpec("has", getContext().getType(boolean.class), Kind.SHORT_CIRCUIT, false);
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60 }
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62 @Override
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63 public ShortCircuitData create(TemplateMethod method) {
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64 String shortCircuitValue = Utils.getAnnotationValueString(method.getMarkerAnnotation(), "value");
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65 assert shortCircuitValue != null;
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66 assert shortCircuitValues.contains(shortCircuitValue);
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67 return new ShortCircuitData(method, shortCircuitValue);
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68 }
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70 @Override
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71 public Class< ? extends Annotation> getAnnotationType() {
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72 return ShortCircuit.class;
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73 }
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75 }