Mercurial > hg > graal-compiler
annotate graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/parser/CreateCastParser.java @ 20940:476374f3fe9a
Truffle-DSL: generate better polymorphic execute signatures
author | Christian Humer <christian.humer@gmail.com> |
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date | Tue, 14 Apr 2015 15:12:48 +0200 |
parents | 18c0f02fa4d2 |
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rev | line source |
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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.java.*; |
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34 import com.oracle.truffle.dsl.processor.model.*; |
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35 |
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36 public class CreateCastParser extends NodeMethodParser<CreateCastData> { |
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37 |
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38 public CreateCastParser(ProcessorContext context, NodeData operation) { |
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39 super(context, operation); |
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40 } |
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41 |
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42 @Override |
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43 public Class<? extends Annotation> getAnnotationType() { |
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44 return CreateCast.class; |
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45 } |
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46 |
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47 @Override |
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48 public MethodSpec createSpecification(ExecutableElement method, AnnotationMirror mirror) { |
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49 List<String> childNames = ElementUtils.getAnnotationValueList(String.class, mirror, "value"); |
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50 NodeChildData foundChild = null; |
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51 for (String childName : childNames) { |
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52 foundChild = getNode().findChild(childName); |
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53 if (foundChild != null) { |
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54 break; |
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55 } |
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56 } |
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57 TypeMirror baseType = getContext().getTruffleTypes().getNode(); |
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58 if (foundChild != null) { |
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59 baseType = foundChild.getOriginalType(); |
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60 } |
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61 |
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62 MethodSpec spec = new MethodSpec(new ParameterSpec("child", baseType)); |
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63 addDefaultFieldMethodSpec(spec); |
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64 ParameterSpec childSpec = new ParameterSpec("castedChild", baseType); |
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65 childSpec.setSignature(true); |
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66 spec.addRequired(childSpec); |
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67 return spec; |
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68 } |
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69 |
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70 @Override |
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71 public CreateCastData create(TemplateMethod method, boolean invalid) { |
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72 AnnotationMirror mirror = method.getMarkerAnnotation(); |
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73 List<String> childNames = ElementUtils.getAnnotationValueList(String.class, mirror, "value"); |
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74 CreateCastData cast = new CreateCastData(method, childNames); |
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75 AnnotationValue value = ElementUtils.getAnnotationValue(mirror, "value"); |
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76 TypeMirror type = null; |
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77 if (childNames == null || childNames.isEmpty()) { |
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78 cast.addError(value, "No value specified but required."); |
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79 return cast; |
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80 } |
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81 |
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82 for (String childName : childNames) { |
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83 NodeChildData child = getNode().findChild(childName); |
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84 if (child == null) { |
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85 // error |
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86 cast.addError(value, "Specified child '%s' not found.", childName); |
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87 continue; |
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88 } |
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89 if (type == null) { |
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90 type = child.getNodeType(); |
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91 } else if (!ElementUtils.typeEquals(type, child.getNodeType())) { |
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92 cast.addError(value, "All child nodes for a cast must have the same node type."); |
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93 continue; |
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94 } |
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95 } |
79041ab43660
Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
Christian Humer <christian.humer@gmail.com>
parents:
diff
changeset
|
96 return cast; |
79041ab43660
Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
Christian Humer <christian.humer@gmail.com>
parents:
diff
changeset
|
97 } |
79041ab43660
Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
Christian Humer <christian.humer@gmail.com>
parents:
diff
changeset
|
98 |
79041ab43660
Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
Christian Humer <christian.humer@gmail.com>
parents:
diff
changeset
|
99 } |