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annotate graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/typesystem/GuardParser.java @ 13527:25ecb47a6d0e

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Truffle-DSL: Added support for references to child arrays in @ShortCircuit; Introduced new layer NodeExecutionData to the implementation model which is in between NodeChildData and the actual parameters..
author Christian Humer <christian.humer@gmail.com>
date Tue, 07 Jan 2014 12:22:47 +0100
parents 2b9fcffd6f36
children bd28da642eea
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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.dsl.processor.typesystem;
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25 import java.lang.annotation.*;
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27 import javax.lang.model.element.*;
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29 import com.oracle.truffle.dsl.processor.*;
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30 import com.oracle.truffle.dsl.processor.node.*;
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31 import com.oracle.truffle.dsl.processor.template.*;
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33 public class GuardParser extends NodeMethodParser<GuardData> {
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34
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35 private final SpecializationData specialization;
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36 private final String guardName;
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37 private final boolean negated;
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38
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39 public GuardParser(ProcessorContext context, SpecializationData specialization, String guardDefinition) {
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40 super(context, specialization.getNode());
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41 this.specialization = specialization;
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42 if (guardDefinition.startsWith("!")) {
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43 this.guardName = guardDefinition.substring(1, guardDefinition.length());
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44 this.negated = true;
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45 } else {
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46 this.guardName = guardDefinition;
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47 this.negated = false;
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48 }
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49 setEmitErrors(false);
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50 setParseNullOnError(false);
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51 }
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53 @Override
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54 protected ParameterSpec createValueParameterSpec(NodeExecutionData execution) {
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55 return super.createValueParameterSpec(execution);
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56 }
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57
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58 @Override
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59 public MethodSpec createSpecification(ExecutableElement method, AnnotationMirror mirror) {
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60 MethodSpec spec = createDefaultMethodSpec(method, mirror, true, null);
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61 spec.setIgnoreAdditionalSpecifications(true);
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62 spec.getRequired().clear();
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64 for (ActualParameter parameter : specialization.getRequiredParameters()) {
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65 spec.addRequired(new ParameterSpec(parameter.getSpecification(), Utils.getAssignableTypes(getContext(), parameter.getType())));
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66 }
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68 return spec;
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69 }
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71 @Override
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72 protected ParameterSpec createReturnParameterSpec() {
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73 return new ParameterSpec("returnType", getContext().getType(boolean.class));
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74 }
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76 @Override
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77 public boolean isParsable(ExecutableElement method) {
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78 return method.getSimpleName().toString().equals(guardName);
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79 }
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81 @Override
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82 public GuardData create(TemplateMethod method, boolean invalid) {
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83 return new GuardData(method, specialization, negated);
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84 }
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86 @Override
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87 public Class<? extends Annotation> getAnnotationType() {
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88 return null;
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89 }
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91 }