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annotate graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/parser/ImplicitCastParser.java @ 16759:23415229349b

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Truffle-DSL: new package structure.
author Christian Humer <christian.humer@gmail.com>
date Mon, 11 Aug 2014 15:57:14 +0200
parents graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/typesystem/ImplicitCastParser.java@25ecb47a6d0e
children 0370880ac9ce
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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 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 import javax.lang.model.type.*;
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30
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31 import com.oracle.truffle.api.dsl.*;
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32 import com.oracle.truffle.dsl.processor.*;
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33 import com.oracle.truffle.dsl.processor.model.*;
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34
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35 public class ImplicitCastParser extends TypeSystemMethodParser<ImplicitCastData> {
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36
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37 public ImplicitCastParser(ProcessorContext context, TypeSystemData typeSystem) {
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38 super(context, typeSystem);
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39 }
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40
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41 @Override
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42 public Class<? extends Annotation> getAnnotationType() {
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43 return ImplicitCast.class;
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44 }
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45
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46 @Override
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47 public MethodSpec createSpecification(ExecutableElement method, AnnotationMirror mirror) {
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48 List<TypeMirror> types = new ArrayList<>();
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49 for (TypeData typeData : getTypeSystem().getTypes()) {
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50 types.add(typeData.getPrimitiveType());
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51 }
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52 MethodSpec spec = new MethodSpec(new ParameterSpec("target", types));
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53 spec.addRequired(new ParameterSpec("source", types));
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54 return spec;
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55 }
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56
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57 @Override
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58 public ImplicitCastData create(TemplateMethod method, boolean invalid) {
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59 if (invalid) {
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60 return new ImplicitCastData(method, null, null);
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61 }
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62
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63 Parameter target = method.findParameter("targetValue");
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64 Parameter source = method.findParameter("sourceValue");
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65
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66 TypeData targetType = target.getTypeSystemType();
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67 TypeData sourceType = source.getTypeSystemType();
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68
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69 if (targetType.equals(sourceType)) {
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70 method.addError("Target type and source type of an @%s must not be the same type.", ImplicitCast.class.getSimpleName());
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71 }
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72
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73 return new ImplicitCastData(method, sourceType, targetType);
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74 }
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75 }