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annotate graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/node/MethodParser.java @ 8592:a80bf36c6a1e

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Refactor to shared template method signature comparison.
author Christian Humer <christian.humer@gmail.com>
date Mon, 01 Apr 2013 11:52:38 +0200
parents 89006c76f737
children 54e227b2e199
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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.node;
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24
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25 import java.util.*;
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26
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27 import javax.lang.model.element.*;
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28 import javax.lang.model.type.*;
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29
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30 import com.oracle.truffle.codegen.processor.*;
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31 import com.oracle.truffle.codegen.processor.node.NodeFieldData.*;
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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.Cardinality;
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34
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35 public abstract class MethodParser<E extends TemplateMethod> extends TemplateMethodParser<NodeData, E> {
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36
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37 public MethodParser(ProcessorContext context, NodeData node) {
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38 super(context, node);
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39 }
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40
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41 public NodeData getNode() {
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42 return template;
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43 }
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44
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45 protected ParameterSpec createValueParameterSpec(String valueName, NodeData nodeData, boolean optional) {
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46 return new ParameterSpec(valueName, nodeData, optional, Cardinality.ONE, true);
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47 }
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48
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49 protected ParameterSpec createReturnParameterSpec() {
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50 return createValueParameterSpec("operation", getNode(), false);
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51 }
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52
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53 @Override
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54 public boolean isParsable(ExecutableElement method) {
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55 return Utils.findAnnotationMirror(getContext().getEnvironment(), method, getAnnotationType()) != null;
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56 }
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57
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58 @SuppressWarnings("unused")
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59 protected final MethodSpec createDefaultMethodSpec(ExecutableElement method, AnnotationMirror mirror, String shortCircuitName) {
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60 List<ParameterSpec> defaultParameters = new ArrayList<>();
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61
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62 if (getNode().supportsFrame()) {
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63 defaultParameters.add(new ParameterSpec("frame", getContext().getTruffleTypes().getFrame(), true, false));
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64 }
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65
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66 TypeMirror declaredType = Utils.findNearestEnclosingType(method).asType();
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67
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68 List<TypeMirror> prefixTypes = new ArrayList<>();
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69
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70 if (!method.getModifiers().contains(Modifier.STATIC) && !Utils.isAssignable(declaredType, template.getNodeType())) {
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71 prefixTypes.add(getNode().getTemplateType().asType());
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72 }
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73
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74 for (NodeFieldData field : getNode().getFields()) {
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75 if (field.getKind() == FieldKind.FIELD) {
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76 ParameterSpec spec = new ParameterSpec(field.getName(), field.getType(), true, false);
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77 spec.setLocal(true);
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78 defaultParameters.add(spec);
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79 }
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80 }
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81
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82 for (NodeFieldData field : getNode().getFields()) {
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83 if (field.getExecutionKind() == ExecutionKind.IGNORE) {
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84 continue;
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85 }
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86
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87 if (field.getExecutionKind() == ExecutionKind.DEFAULT) {
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88 ParameterSpec spec = createValueParameterSpec(field.getName(), field.getNodeData(), false);
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89 if (field.getKind() == FieldKind.CHILDREN) {
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90 spec.setCardinality(Cardinality.MULTIPLE);
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91 spec.setIndexed(true);
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92 }
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93 defaultParameters.add(spec);
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94 } else if (field.getExecutionKind() == ExecutionKind.SHORT_CIRCUIT) {
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95 String valueName = field.getName();
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96 if (shortCircuitName != null && valueName.equals(shortCircuitName)) {
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97 break;
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98 }
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99
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100 defaultParameters.add(new ParameterSpec(shortCircuitValueName(valueName), getContext().getType(boolean.class), false, false));
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101 defaultParameters.add(createValueParameterSpec(valueName, field.getNodeData(), false));
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102 } else {
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103 assert false;
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104 }
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105 }
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106
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107 return new MethodSpec(prefixTypes, createReturnParameterSpec(), defaultParameters);
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108 }
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109
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110 private static String shortCircuitValueName(String valueName) {
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111 return "has" + Utils.firstLetterUpperCase(valueName);
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112 }
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113
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114 }