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annotate graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/template/MethodSpec.java @ 9227:6d92fdf1c999

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Fixes several minor issues.
author Christian Humer <christian.humer@gmail.com>
date Mon, 22 Apr 2013 12:52:00 +0200
parents 97ad6d3e7557
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 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.template;
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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.type.*;
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28
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29 import com.oracle.truffle.codegen.processor.*;
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30 import com.oracle.truffle.codegen.processor.node.NodeChildData.Cardinality;
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32 public class MethodSpec {
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33
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34 private final List<TypeMirror> implicitRequiredTypes = new ArrayList<>();
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35
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36 private final ParameterSpec returnType;
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37 private final List<ParameterSpec> optional = new ArrayList<>();
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38 private final List<ParameterSpec> required = new ArrayList<>();
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39
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40 private boolean variableRequiredArguments;
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41 private List<TypeDef> typeDefinitions;
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42
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43 public MethodSpec(ParameterSpec returnType) {
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44 this.returnType = returnType;
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45 }
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46
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47 public void setVariableRequiredArguments(boolean variableArguments) {
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48 this.variableRequiredArguments = variableArguments;
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49 }
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50
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51 public boolean isVariableRequiredArguments() {
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52 return variableRequiredArguments;
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53 }
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54
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55 public void addImplicitRequiredType(TypeMirror type) {
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56 this.implicitRequiredTypes.add(type);
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57 }
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58
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59 public void addOptional(ParameterSpec spec) {
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60 optional.add(spec);
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61 }
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62
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63 public ParameterSpec addRequired(ParameterSpec spec) {
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64 required.add(spec);
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65 return spec;
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66 }
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67
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68 public List<TypeMirror> getImplicitRequiredTypes() {
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69 return implicitRequiredTypes;
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70 }
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71
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72 public ParameterSpec getReturnType() {
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73 return returnType;
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74 }
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75
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76 public List<ParameterSpec> getRequired() {
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77 return required;
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78 }
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79
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80 public List<ParameterSpec> getOptional() {
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81 return optional;
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82 }
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83
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84 public List<ParameterSpec> getAll() {
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85 List<ParameterSpec> specs = new ArrayList<>();
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86 specs.add(getReturnType());
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87 specs.addAll(getOptional());
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88 specs.addAll(getRequired());
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89 return specs;
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90 }
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91
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92 public ParameterSpec findParameterSpec(String name) {
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93 for (ParameterSpec spec : getAll()) {
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94 if (spec.getName().equals(name)) {
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95 return spec;
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96 }
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97 }
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98 return null;
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99 }
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100
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101 public void applyTypeDefinitions(String prefix) {
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102 this.typeDefinitions = createTypeDefinitions(prefix);
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103 }
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104
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105 private List<TypeDef> createTypeDefinitions(String prefix) {
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106 List<TypeDef> typeDefs = new ArrayList<>();
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107
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108 int defIndex = 0;
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109 for (ParameterSpec spec : getAll()) {
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110 List<TypeMirror> allowedTypes = spec.getAllowedTypes();
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111 List<TypeMirror> types = spec.getAllowedTypes();
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112 if (types != null && allowedTypes.size() > 1) {
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113 TypeDef foundDef = null;
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114 for (TypeDef def : typeDefs) {
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115 if (allowedTypes.equals(def.getTypes())) {
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116 foundDef = def;
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117 break;
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118 }
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119 }
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120 if (foundDef == null) {
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121 foundDef = new TypeDef(types, prefix + defIndex);
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122 typeDefs.add(foundDef);
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123 defIndex++;
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124 }
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125
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126 spec.setTypeDefinition(foundDef);
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127 }
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128 }
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129
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130 return typeDefs;
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131 }
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132
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133 public String toSignatureString(String methodName) {
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134 StringBuilder b = new StringBuilder();
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135 b.append(" ");
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136 b.append(createTypeSignature(returnType, true));
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137
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138 b.append(" ");
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139 b.append(methodName);
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140 b.append("(");
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141
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142 String sep = "";
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143
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144 for (ParameterSpec optionalSpec : getOptional()) {
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145 b.append(sep);
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146 b.append("[");
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147 b.append(createTypeSignature(optionalSpec, false));
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148 b.append("]");
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149 sep = ", ";
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150 }
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151
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152 for (ParameterSpec requiredSpec : getRequired()) {
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153 b.append(sep);
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154 if (requiredSpec.getCardinality() == Cardinality.MANY) {
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155 b.append("{");
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156 }
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157 b.append(createTypeSignature(requiredSpec, false));
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158 if (requiredSpec.getCardinality() == Cardinality.MANY) {
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159 b.append("}");
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160 }
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161 sep = ", ";
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162 }
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163
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164 b.append(")");
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165
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166 if (typeDefinitions != null && !typeDefinitions.isEmpty()) {
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167 b.append("\n\n");
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168
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169 String lineSep = "";
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170 for (TypeDef def : typeDefinitions) {
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171 b.append(lineSep);
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172 b.append(" <").append(def.getName()).append(">");
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173 b.append(" = {");
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174 String separator = "";
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175 for (TypeMirror type : def.getTypes()) {
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176 b.append(separator).append(Utils.getSimpleName(type));
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177 separator = ", ";
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178 }
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179 b.append("}");
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180 lineSep = "\n";
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181
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182 }
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183 }
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184 return b.toString();
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185 }
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186
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187 private static String createTypeSignature(ParameterSpec spec, boolean typeOnly) {
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188 StringBuilder builder = new StringBuilder();
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189 TypeDef foundTypeDef = spec.getTypeDefinition();
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190 if (foundTypeDef != null) {
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191 builder.append("<" + foundTypeDef.getName() + ">");
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192 } else if (spec.getAllowedTypes().size() >= 1) {
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193 builder.append(Utils.getSimpleName(spec.getAllowedTypes().get(0)));
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194 } else {
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195 builder.append("void");
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196 }
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197 if (!typeOnly) {
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198 builder.append(" ");
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199 builder.append(spec.getName());
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200 }
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201 return builder.toString();
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202 }
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203
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204 @Override
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205 public String toString() {
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206 return toSignatureString("methodName");
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207 }
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208
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209 static class TypeDef {
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210
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211 private final List<TypeMirror> types;
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212 private final String name;
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213
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214 public TypeDef(List<TypeMirror> types, String name) {
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215 this.types = types;
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216 this.name = name;
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217 }
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218
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219 public List<TypeMirror> getTypes() {
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220 return types;
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221 }
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222
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223 public String getName() {
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224 return name;
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225 }
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226 }
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227
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228 }