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annotate graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/node/NodeMethodParser.java @ 9417:ffa27c3058e9

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minor simplifications for writing compiled stubs
author Doug Simon <doug.simon@oracle.com>
date Mon, 29 Apr 2013 21:18:37 +0200
parents 8e3a1635cc9e
children 746fa60be266
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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.NodeChildData.Cardinality;
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32 import com.oracle.truffle.codegen.processor.node.NodeChildData.ExecutionKind;
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33 import com.oracle.truffle.codegen.processor.template.*;
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34
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35 public abstract class NodeMethodParser<E extends TemplateMethod> extends TemplateMethodParser<NodeData, E> {
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36
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37 public NodeMethodParser(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 @SuppressWarnings("unused")
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46 protected ParameterSpec createValueParameterSpec(String valueName, NodeData nodeData, int evaluatedCount) {
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47 ParameterSpec spec = new ParameterSpec(valueName, nodeTypeMirrors(nodeData));
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48 spec.setSignature(true);
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49 return spec;
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50 }
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51
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52 protected List<TypeMirror> nodeTypeMirrors(NodeData nodeData) {
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53 Set<TypeMirror> typeMirrors = new LinkedHashSet<>();
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54
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55 for (ExecutableTypeData typeData : nodeData.getExecutableTypes()) {
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56 typeMirrors.add(typeData.getType().getPrimitiveType());
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57 }
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58
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59 typeMirrors.add(nodeData.getTypeSystem().getGenericType());
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60
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61 return new ArrayList<>(typeMirrors);
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62 }
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63
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64 protected ParameterSpec createReturnParameterSpec() {
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65 return createValueParameterSpec("returnValue", getNode(), 0);
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66 }
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67
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68 @Override
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69 public boolean isParsable(ExecutableElement method) {
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70 if (getAnnotationType() != null) {
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71 return Utils.findAnnotationMirror(getContext().getEnvironment(), method, getAnnotationType()) != null;
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72 }
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73
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74 return true;
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75 }
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76
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77 @SuppressWarnings("unused")
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78 protected final MethodSpec createDefaultMethodSpec(ExecutableElement method, AnnotationMirror mirror, boolean shortCircuitsEnabled, String shortCircuitName) {
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79 MethodSpec methodSpec = new MethodSpec(createReturnParameterSpec());
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80
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81 if (getNode().supportsFrame()) {
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82 methodSpec.addOptional(new ParameterSpec("frame", getContext().getTruffleTypes().getFrame()));
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83 }
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84
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85 resolveAndAddImplicitThis(methodSpec, method);
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86
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87 for (NodeFieldData field : getNode().getFields()) {
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88 if (!Utils.isFieldAccessible(method, field.getVariable())) {
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89 ParameterSpec spec = new ParameterSpec(field.getName(), field.getType());
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90 spec.setLocal(true);
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91 methodSpec.addOptional(spec);
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92 }
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93 }
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94
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95 // children are null when parsing executable types
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96 if (getNode().getChildren() != null) {
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97 for (NodeChildData child : getNode().getChildren()) {
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98 if (child.getExecutionKind() == ExecutionKind.DEFAULT) {
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99 ParameterSpec spec = createValueParameterSpec(child.getName(), child.getNodeData(), child.getExecuteWith().size());
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100 if (child.getCardinality().isMany()) {
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101 spec.setCardinality(Cardinality.MANY);
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102 spec.setIndexed(true);
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103 }
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104 methodSpec.addRequired(spec);
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105 } else if (child.getExecutionKind() == ExecutionKind.SHORT_CIRCUIT) {
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106 String valueName = child.getName();
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107 if (shortCircuitName != null && valueName.equals(shortCircuitName)) {
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108 break;
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109 }
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110
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111 if (shortCircuitsEnabled) {
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112 methodSpec.addRequired(new ParameterSpec(shortCircuitValueName(valueName), getContext().getType(boolean.class)));
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113 }
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114 methodSpec.addRequired(createValueParameterSpec(valueName, child.getNodeData(), child.getExecuteWith().size()));
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115 } else {
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116 assert false;
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117 }
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118 }
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119 }
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120
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121 return methodSpec;
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122 }
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123
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124 protected void resolveAndAddImplicitThis(MethodSpec methodSpec, ExecutableElement method) {
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125 TypeMirror declaredType = Utils.findNearestEnclosingType(method).asType();
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126
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127 if (!method.getModifiers().contains(Modifier.STATIC) && !Utils.isAssignable(getContext(), declaredType, getContext().getTruffleTypes().getNode())) {
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128 methodSpec.addImplicitRequiredType(getNode().getTemplateType().asType());
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129 }
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parents:
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130 }
8a1115c92271 Implemented codegen guard definitions can now omit unused parameters.
Christian Humer <christian.humer@gmail.com>
parents:
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131
8a1115c92271 Implemented codegen guard definitions can now omit unused parameters.
Christian Humer <christian.humer@gmail.com>
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132 private static String shortCircuitValueName(String valueName) {
8a1115c92271 Implemented codegen guard definitions can now omit unused parameters.
Christian Humer <christian.humer@gmail.com>
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133 return "has" + Utils.firstLetterUpperCase(valueName);
8a1115c92271 Implemented codegen guard definitions can now omit unused parameters.
Christian Humer <christian.humer@gmail.com>
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134 }
8a1115c92271 Implemented codegen guard definitions can now omit unused parameters.
Christian Humer <christian.humer@gmail.com>
parents:
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135
8a1115c92271 Implemented codegen guard definitions can now omit unused parameters.
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136 }