Mercurial > hg > graal-jvmci-8
annotate graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/expression/DSLExpression.java @ 19289:62c43fcf5be2
Truffle-DSL: implement @Cached and fixes for the new guard expression syntax.
author | Christian Humer <christian.humer@gmail.com> |
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date | Tue, 03 Feb 2015 15:07:07 +0100 |
parents | 08aa0372dad4 |
children | b31b2f289e7d |
rev | line source |
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1 /* |
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2 * Copyright (c) 2015, 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.expression; |
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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 public abstract class DSLExpression { |
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31 |
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32 private DSLExpression() { |
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33 } |
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34 |
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35 public static DSLExpression parse(String input) { |
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36 return Parser.parse(input); |
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37 } |
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38 |
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39 public final Set<VariableElement> findBoundVariableElements() { |
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40 final Set<VariableElement> variables = new HashSet<>(); |
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41 this.accept(new AbstractDSLExpressionVisitor() { |
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42 |
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43 @Override |
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44 public void visitVariable(Variable variable) { |
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45 if (variable.getReceiver() == null) { |
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46 variables.add(variable.getResolvedVariable()); |
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47 } |
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48 } |
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49 |
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50 }); |
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51 return variables; |
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52 } |
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53 |
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54 public final Set<Variable> findBoundVariables() { |
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55 final Set<Variable> variables = new HashSet<>(); |
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56 this.accept(new AbstractDSLExpressionVisitor() { |
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57 |
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58 @Override |
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59 public void visitVariable(Variable variable) { |
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60 if (variable.getReceiver() == null) { |
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61 variables.add(variable); |
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62 } |
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63 } |
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64 |
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65 }); |
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66 return variables; |
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67 } |
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68 |
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69 public final boolean isVariableBound(VariableElement variableElement) { |
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70 return findBoundVariableElements().contains(variableElement); |
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71 } |
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72 |
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73 public abstract TypeMirror getResolvedType(); |
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74 |
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75 public abstract void accept(DSLExpressionVisitor visitor); |
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76 |
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77 public static final class Negate extends DSLExpression { |
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78 |
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79 private final DSLExpression receiver; |
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80 |
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81 public Negate(DSLExpression receiver) { |
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82 this.receiver = receiver; |
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83 } |
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84 |
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85 @Override |
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86 public void accept(DSLExpressionVisitor visitor) { |
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87 receiver.accept(visitor); |
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88 visitor.visitNegate(this); |
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89 } |
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90 |
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91 public DSLExpression getReceiver() { |
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92 return receiver; |
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93 } |
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94 |
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95 @Override |
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96 public TypeMirror getResolvedType() { |
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97 return receiver.getResolvedType(); |
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98 } |
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99 |
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100 @Override |
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101 public boolean equals(Object obj) { |
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102 if (obj instanceof Negate) { |
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103 return receiver.equals(((Negate) obj).receiver); |
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104 } |
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105 return false; |
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106 } |
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107 |
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108 @Override |
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109 public int hashCode() { |
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110 return receiver.hashCode(); |
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111 } |
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112 } |
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113 |
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114 public static final class Binary extends DSLExpression { |
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115 |
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116 private final String operator; |
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117 private final DSLExpression left; |
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118 private final DSLExpression right; |
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119 |
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120 private TypeMirror resolvedType; |
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121 |
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122 public Binary(String operator, DSLExpression left, DSLExpression right) { |
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123 this.operator = operator; |
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124 this.left = left; |
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125 this.right = right; |
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126 } |
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127 |
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128 @Override |
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129 public boolean equals(Object obj) { |
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130 if (obj instanceof Binary) { |
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131 Binary other = (Binary) obj; |
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132 return operator.equals(other.operator) && left.equals(other.left) && right.equals(other.right); |
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133 } |
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134 return false; |
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135 } |
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136 |
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137 @Override |
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138 public int hashCode() { |
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139 return Objects.hash(operator, left, right); |
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140 } |
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141 |
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142 public String getOperator() { |
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143 return operator; |
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144 } |
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145 |
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146 public DSLExpression getLeft() { |
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147 return left; |
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148 } |
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149 |
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150 public DSLExpression getRight() { |
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151 return right; |
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152 } |
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153 |
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154 @Override |
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155 public void accept(DSLExpressionVisitor visitor) { |
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156 left.accept(visitor); |
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157 right.accept(visitor); |
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158 visitor.visitBinary(this); |
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159 } |
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160 |
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161 @Override |
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162 public TypeMirror getResolvedType() { |
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163 return resolvedType; |
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164 } |
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165 |
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166 public void setResolvedType(TypeMirror resolvedType) { |
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167 this.resolvedType = resolvedType; |
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168 } |
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169 |
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170 @Override |
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171 public String toString() { |
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172 return "Binary [left=" + left + ", operator=" + operator + ", right=" + right + ", resolvedType=" + resolvedType + "]"; |
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173 } |
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174 |
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175 } |
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176 |
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177 public static final class Call extends DSLExpression { |
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178 |
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179 private final DSLExpression receiver; |
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180 private final String name; |
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181 private final List<DSLExpression> parameters; |
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182 |
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183 private ExecutableElement resolvedMethod; |
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184 |
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185 public Call(DSLExpression receiver, String name, List<DSLExpression> parameters) { |
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186 this.receiver = receiver; |
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187 this.name = name; |
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188 this.parameters = parameters; |
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189 } |
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190 |
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191 @Override |
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192 public boolean equals(Object obj) { |
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193 if (obj instanceof Call) { |
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194 Call other = (Call) obj; |
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195 return Objects.equals(receiver, other.receiver) && name.equals(other.name) && parameters.equals(other.parameters); |
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196 } |
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197 return false; |
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198 } |
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199 |
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200 @Override |
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201 public int hashCode() { |
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202 return Objects.hash(receiver, name, parameters); |
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203 } |
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204 |
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205 public DSLExpression getReceiver() { |
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206 return receiver; |
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207 } |
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208 |
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209 public String getName() { |
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210 return name; |
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211 } |
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212 |
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213 public List<DSLExpression> getParameters() { |
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214 return parameters; |
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215 } |
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216 |
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217 @Override |
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218 public void accept(DSLExpressionVisitor visitor) { |
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219 if (receiver != null) { |
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220 receiver.accept(visitor); |
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221 } |
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222 for (DSLExpression parameter : getParameters()) { |
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223 parameter.accept(visitor); |
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224 } |
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225 visitor.visitCall(this); |
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226 } |
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227 |
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228 @Override |
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229 public TypeMirror getResolvedType() { |
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230 if (resolvedMethod.getKind() == ElementKind.CONSTRUCTOR) { |
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231 return resolvedMethod.getEnclosingElement().asType(); |
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232 } else { |
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233 return resolvedMethod != null ? resolvedMethod.getReturnType() : null; |
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234 } |
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235 } |
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236 |
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237 public ExecutableElement getResolvedMethod() { |
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238 return resolvedMethod; |
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239 } |
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240 |
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241 public void setResolvedMethod(ExecutableElement resolvedMethod) { |
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242 this.resolvedMethod = resolvedMethod; |
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243 } |
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244 |
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245 @Override |
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246 public String toString() { |
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247 return "Call [receiver=" + receiver + ", name=" + name + ", parameters=" + parameters + ", resolvedMethod=" + resolvedMethod + "]"; |
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248 } |
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249 |
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250 } |
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251 |
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252 public static final class Variable extends DSLExpression { |
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253 |
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254 private final DSLExpression receiver; |
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255 private final String name; |
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256 |
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257 private VariableElement resolvedVariable; |
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258 |
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259 public Variable(DSLExpression receiver, String name) { |
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260 this.receiver = receiver; |
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261 this.name = name; |
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262 } |
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263 |
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264 @Override |
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265 public boolean equals(Object obj) { |
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266 if (obj instanceof Variable) { |
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267 Variable other = (Variable) obj; |
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268 return Objects.equals(receiver, other.receiver) && name.equals(other.name); |
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269 } |
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270 return false; |
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271 } |
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272 |
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273 @Override |
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274 public int hashCode() { |
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275 return Objects.hash(receiver, name); |
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276 } |
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277 |
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278 public DSLExpression getReceiver() { |
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279 return receiver; |
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280 } |
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281 |
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282 public String getName() { |
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283 return name; |
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284 } |
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285 |
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286 @Override |
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287 public void accept(DSLExpressionVisitor visitor) { |
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288 if (receiver != null) { |
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289 receiver.accept(visitor); |
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290 } |
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291 visitor.visitVariable(this); |
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292 } |
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293 |
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294 @Override |
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295 public TypeMirror getResolvedType() { |
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296 return resolvedVariable != null ? resolvedVariable.asType() : null; |
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297 } |
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298 |
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299 public void setResolvedVariable(VariableElement resolvedVariable) { |
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300 this.resolvedVariable = resolvedVariable; |
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301 } |
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302 |
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303 public VariableElement getResolvedVariable() { |
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304 return resolvedVariable; |
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305 } |
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306 |
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307 @Override |
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308 public String toString() { |
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309 return "Variable [receiver=" + receiver + ", name=" + name + ", resolvedVariable=" + resolvedVariable + "]"; |
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310 } |
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311 |
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312 } |
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313 |
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314 public static final class IntLiteral extends DSLExpression { |
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315 |
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316 private final String literal; |
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317 |
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318 private int resolvedValueInt; |
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319 private TypeMirror resolvedType; |
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320 |
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321 public IntLiteral(String literal) { |
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322 this.literal = literal; |
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323 } |
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324 |
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325 @Override |
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326 public boolean equals(Object obj) { |
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327 if (obj instanceof IntLiteral) { |
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328 IntLiteral other = (IntLiteral) obj; |
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329 return resolvedValueInt == other.resolvedValueInt; |
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330 } |
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331 return false; |
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332 } |
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333 |
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334 @Override |
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335 public int hashCode() { |
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336 return resolvedValueInt; |
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337 } |
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338 |
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339 public String getLiteral() { |
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340 return literal; |
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341 } |
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342 |
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343 public int getResolvedValueInt() { |
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344 return resolvedValueInt; |
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345 } |
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346 |
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347 public void setResolvedValueInt(int resolved) { |
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348 this.resolvedValueInt = resolved; |
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349 } |
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350 |
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351 @Override |
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352 public TypeMirror getResolvedType() { |
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353 return resolvedType; |
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354 } |
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355 |
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356 public void setResolvedType(TypeMirror resolvedType) { |
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357 this.resolvedType = resolvedType; |
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358 } |
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359 |
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360 @Override |
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361 public void accept(DSLExpressionVisitor visitor) { |
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362 visitor.visitIntLiteral(this); |
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363 } |
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364 |
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365 @Override |
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366 public String toString() { |
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367 return "IntLiteral [literal=" + literal + ", resolvedValueInt=" + resolvedValueInt + ", resolvedType=" + resolvedType + "]"; |
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368 } |
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369 |
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370 } |
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371 |
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372 public abstract class AbstractDSLExpressionVisitor implements DSLExpressionVisitor { |
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373 |
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374 public void visitBinary(Binary binary) { |
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375 } |
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376 |
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377 public void visitCall(Call binary) { |
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378 } |
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379 |
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380 public void visitIntLiteral(IntLiteral binary) { |
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381 } |
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382 |
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383 public void visitNegate(Negate negate) { |
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384 } |
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385 |
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386 public void visitVariable(Variable binary) { |
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387 } |
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388 } |
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389 |
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390 public interface DSLExpressionVisitor { |
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391 |
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392 void visitBinary(Binary binary); |
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393 |
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394 void visitNegate(Negate negate); |
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395 |
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396 void visitCall(Call binary); |
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397 |
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398 void visitVariable(Variable binary); |
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399 |
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400 void visitIntLiteral(IntLiteral binary); |
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401 |
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402 } |
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403 |
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404 } |