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annotate truffle/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/parser/ImplicitCastParser.java @ 22157:dc83cc1f94f2

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Using fully qualified imports
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Wed, 16 Sep 2015 11:33:22 +0200
parents 9c8c0937da41
children
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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.parser;
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24
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25 import com.oracle.truffle.api.dsl.ImplicitCast;
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26 import com.oracle.truffle.dsl.processor.ProcessorContext;
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27 import com.oracle.truffle.dsl.processor.java.ElementUtils;
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28 import com.oracle.truffle.dsl.processor.model.ImplicitCastData;
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29 import com.oracle.truffle.dsl.processor.model.MethodSpec;
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30 import com.oracle.truffle.dsl.processor.model.Parameter;
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31 import com.oracle.truffle.dsl.processor.model.ParameterSpec;
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32 import com.oracle.truffle.dsl.processor.model.TemplateMethod;
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33 import com.oracle.truffle.dsl.processor.model.TypeSystemData;
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34 import java.lang.annotation.Annotation;
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35 import javax.lang.model.element.AnnotationMirror;
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36 import javax.lang.model.element.ExecutableElement;
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37 import javax.lang.model.element.Modifier;
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38 import javax.lang.model.type.TypeMirror;
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39
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40 public class ImplicitCastParser extends TypeSystemMethodParser<ImplicitCastData> {
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41
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42 public ImplicitCastParser(ProcessorContext context, TypeSystemData typeSystem) {
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43 super(context, typeSystem);
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44 }
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45
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46 @Override
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47 public Class<? extends Annotation> getAnnotationType() {
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48 return ImplicitCast.class;
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49 }
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50
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51 @Override
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52 public MethodSpec createSpecification(ExecutableElement method, AnnotationMirror mirror) {
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53 MethodSpec spec = new MethodSpec(new ParameterSpec("target", getContext().getType(Object.class)));
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54 spec.addRequired(new ParameterSpec("source", getContext().getType(Object.class))).setSignature(true);
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55 return spec;
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56 }
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57
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58 @Override
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59 public ImplicitCastData create(TemplateMethod method, boolean invalid) {
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60 if (invalid) {
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61 return new ImplicitCastData(method, null, null);
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62 }
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63
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64 Parameter target = method.findParameter("targetValue");
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65 Parameter source = method.findParameter("sourceValue");
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66
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67 TypeMirror targetType = target.getType();
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68 TypeMirror sourceType = source.getType();
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69
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70 if (ElementUtils.typeEquals(targetType, sourceType)) {
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71 method.addError("Target type and source type of an @%s must not be the same type.", ImplicitCast.class.getSimpleName());
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72 }
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73
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74 if (!method.getMethod().getModifiers().contains(Modifier.STATIC)) {
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75 method.addError("@%s annotated method %s must be static.", ImplicitCast.class.getSimpleName(), method.getMethodName());
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76 }
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77
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78 return new ImplicitCastData(method, sourceType, targetType);
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79 }
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80 }