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annotate graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/expression/DSLExpression.java @ 19294:b31b2f289e7d
Truffle-DSL: fix unnecessary frame cast warning.
author | Christian Humer <christian.humer@gmail.com> |
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date | Wed, 11 Feb 2015 16:10:45 +0100 |
parents | 62c43fcf5be2 |
children | 35c3e3af8c39 |
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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 TypeMirror resolvedTargetType; |
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33 |
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34 private DSLExpression() { |
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35 } |
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36 |
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37 public static DSLExpression parse(String input) { |
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38 return Parser.parse(input); |
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39 } |
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40 |
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41 public final Set<VariableElement> findBoundVariableElements() { |
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42 final Set<VariableElement> variables = new HashSet<>(); |
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43 this.accept(new AbstractDSLExpressionVisitor() { |
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44 |
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45 @Override |
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46 public void visitVariable(Variable variable) { |
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47 if (variable.getReceiver() == null) { |
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48 variables.add(variable.getResolvedVariable()); |
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49 } |
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50 } |
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51 |
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52 }); |
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53 return variables; |
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54 } |
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55 |
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56 public final Set<Variable> findBoundVariables() { |
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57 final Set<Variable> variables = new HashSet<>(); |
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58 this.accept(new AbstractDSLExpressionVisitor() { |
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59 |
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60 @Override |
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61 public void visitVariable(Variable variable) { |
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62 if (variable.getReceiver() == null) { |
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63 variables.add(variable); |
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64 } |
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65 } |
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66 |
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67 }); |
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68 return variables; |
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69 } |
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70 |
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71 public void setResolvedTargetType(TypeMirror resolvedTargetType) { |
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72 this.resolvedTargetType = resolvedTargetType; |
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73 } |
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74 |
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75 public TypeMirror getResolvedTargetType() { |
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76 return resolvedTargetType; |
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77 } |
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78 |
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79 public final boolean isVariableBound(VariableElement variableElement) { |
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80 return findBoundVariableElements().contains(variableElement); |
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81 } |
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82 |
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83 public abstract TypeMirror getResolvedType(); |
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84 |
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85 public abstract void accept(DSLExpressionVisitor visitor); |
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86 |
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87 public static final class Negate extends DSLExpression { |
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88 |
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89 private final DSLExpression receiver; |
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90 |
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91 public Negate(DSLExpression receiver) { |
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92 this.receiver = receiver; |
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93 } |
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94 |
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95 @Override |
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96 public void accept(DSLExpressionVisitor visitor) { |
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97 receiver.accept(visitor); |
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98 visitor.visitNegate(this); |
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99 } |
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100 |
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101 public DSLExpression getReceiver() { |
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102 return receiver; |
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103 } |
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104 |
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105 @Override |
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106 public TypeMirror getResolvedType() { |
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107 return receiver.getResolvedType(); |
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108 } |
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109 |
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110 @Override |
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111 public boolean equals(Object obj) { |
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112 if (obj instanceof Negate) { |
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113 return receiver.equals(((Negate) obj).receiver); |
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114 } |
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115 return false; |
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116 } |
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117 |
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118 @Override |
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119 public int hashCode() { |
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120 return receiver.hashCode(); |
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121 } |
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122 } |
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123 |
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124 public static final class Binary extends DSLExpression { |
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125 |
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126 private final String operator; |
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127 private final DSLExpression left; |
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128 private final DSLExpression right; |
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129 |
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130 private TypeMirror resolvedType; |
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131 |
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132 public Binary(String operator, DSLExpression left, DSLExpression right) { |
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133 this.operator = operator; |
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134 this.left = left; |
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135 this.right = right; |
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136 } |
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137 |
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138 @Override |
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139 public boolean equals(Object obj) { |
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140 if (obj instanceof Binary) { |
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141 Binary other = (Binary) obj; |
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142 return operator.equals(other.operator) && left.equals(other.left) && right.equals(other.right); |
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143 } |
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144 return false; |
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145 } |
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146 |
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147 @Override |
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148 public int hashCode() { |
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149 return Objects.hash(operator, left, right); |
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150 } |
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151 |
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152 public String getOperator() { |
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153 return operator; |
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154 } |
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155 |
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156 public DSLExpression getLeft() { |
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157 return left; |
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158 } |
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159 |
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160 public DSLExpression getRight() { |
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161 return right; |
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162 } |
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163 |
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164 @Override |
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165 public void accept(DSLExpressionVisitor visitor) { |
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166 left.accept(visitor); |
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167 right.accept(visitor); |
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168 visitor.visitBinary(this); |
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169 } |
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170 |
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171 @Override |
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172 public TypeMirror getResolvedType() { |
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173 return resolvedType; |
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174 } |
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175 |
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176 public void setResolvedType(TypeMirror resolvedType) { |
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177 this.resolvedType = resolvedType; |
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178 } |
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179 |
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180 @Override |
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181 public String toString() { |
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182 return "Binary [left=" + left + ", operator=" + operator + ", right=" + right + ", resolvedType=" + resolvedType + "]"; |
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183 } |
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184 |
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185 } |
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186 |
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187 public static final class Call extends DSLExpression { |
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188 |
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189 private final DSLExpression receiver; |
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190 private final String name; |
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191 private final List<DSLExpression> parameters; |
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192 |
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193 private ExecutableElement resolvedMethod; |
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194 |
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195 public Call(DSLExpression receiver, String name, List<DSLExpression> parameters) { |
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196 this.receiver = receiver; |
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197 this.name = name; |
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198 this.parameters = parameters; |
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199 } |
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200 |
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201 @Override |
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202 public boolean equals(Object obj) { |
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203 if (obj instanceof Call) { |
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204 Call other = (Call) obj; |
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205 return Objects.equals(receiver, other.receiver) && name.equals(other.name) && parameters.equals(other.parameters); |
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206 } |
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207 return false; |
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208 } |
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209 |
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210 @Override |
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211 public int hashCode() { |
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212 return Objects.hash(receiver, name, parameters); |
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213 } |
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214 |
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215 public DSLExpression getReceiver() { |
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216 return receiver; |
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217 } |
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218 |
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219 public String getName() { |
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220 return name; |
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221 } |
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222 |
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223 public List<DSLExpression> getParameters() { |
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224 return parameters; |
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225 } |
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226 |
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227 @Override |
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228 public void accept(DSLExpressionVisitor visitor) { |
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229 if (receiver != null) { |
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230 receiver.accept(visitor); |
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231 } |
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232 for (DSLExpression parameter : getParameters()) { |
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233 parameter.accept(visitor); |
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234 } |
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235 visitor.visitCall(this); |
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236 } |
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237 |
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238 @Override |
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239 public TypeMirror getResolvedType() { |
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240 if (resolvedMethod.getKind() == ElementKind.CONSTRUCTOR) { |
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241 return resolvedMethod.getEnclosingElement().asType(); |
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242 } else { |
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243 return resolvedMethod != null ? resolvedMethod.getReturnType() : null; |
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244 } |
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245 } |
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246 |
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247 public ExecutableElement getResolvedMethod() { |
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248 return resolvedMethod; |
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249 } |
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250 |
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251 public void setResolvedMethod(ExecutableElement resolvedMethod) { |
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252 this.resolvedMethod = resolvedMethod; |
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253 } |
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254 |
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255 @Override |
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256 public String toString() { |
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257 return "Call [receiver=" + receiver + ", name=" + name + ", parameters=" + parameters + ", resolvedMethod=" + resolvedMethod + "]"; |
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258 } |
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259 |
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260 } |
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261 |
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262 public static final class Variable extends DSLExpression { |
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263 |
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264 private final DSLExpression receiver; |
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265 private final String name; |
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266 |
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267 private VariableElement resolvedVariable; |
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268 |
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269 public Variable(DSLExpression receiver, String name) { |
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270 this.receiver = receiver; |
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271 this.name = name; |
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272 } |
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273 |
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274 @Override |
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275 public boolean equals(Object obj) { |
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276 if (obj instanceof Variable) { |
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277 Variable other = (Variable) obj; |
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278 return Objects.equals(receiver, other.receiver) && name.equals(other.name); |
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279 } |
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280 return false; |
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281 } |
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282 |
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283 @Override |
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284 public int hashCode() { |
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285 return Objects.hash(receiver, name); |
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286 } |
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287 |
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288 public DSLExpression getReceiver() { |
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289 return receiver; |
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290 } |
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291 |
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292 public String getName() { |
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293 return name; |
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294 } |
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295 |
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296 @Override |
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297 public void accept(DSLExpressionVisitor visitor) { |
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298 if (receiver != null) { |
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299 receiver.accept(visitor); |
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300 } |
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301 visitor.visitVariable(this); |
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302 } |
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303 |
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304 @Override |
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305 public TypeMirror getResolvedType() { |
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306 return resolvedVariable != null ? resolvedVariable.asType() : null; |
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307 } |
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308 |
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309 public void setResolvedVariable(VariableElement resolvedVariable) { |
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310 this.resolvedVariable = resolvedVariable; |
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311 } |
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312 |
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313 public VariableElement getResolvedVariable() { |
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314 return resolvedVariable; |
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315 } |
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316 |
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317 @Override |
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318 public String toString() { |
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319 return "Variable [receiver=" + receiver + ", name=" + name + ", resolvedVariable=" + resolvedVariable + "]"; |
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320 } |
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321 |
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322 } |
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323 |
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324 public static final class IntLiteral extends DSLExpression { |
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325 |
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326 private final String literal; |
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327 |
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328 private int resolvedValueInt; |
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329 private TypeMirror resolvedType; |
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330 |
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331 public IntLiteral(String literal) { |
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332 this.literal = literal; |
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333 } |
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334 |
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335 @Override |
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336 public boolean equals(Object obj) { |
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337 if (obj instanceof IntLiteral) { |
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338 IntLiteral other = (IntLiteral) obj; |
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339 return resolvedValueInt == other.resolvedValueInt; |
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340 } |
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341 return false; |
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342 } |
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343 |
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344 @Override |
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345 public int hashCode() { |
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346 return resolvedValueInt; |
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347 } |
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348 |
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349 public String getLiteral() { |
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350 return literal; |
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351 } |
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352 |
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353 public int getResolvedValueInt() { |
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354 return resolvedValueInt; |
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355 } |
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356 |
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357 public void setResolvedValueInt(int resolved) { |
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358 this.resolvedValueInt = resolved; |
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359 } |
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360 |
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361 @Override |
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362 public TypeMirror getResolvedType() { |
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363 return resolvedType; |
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364 } |
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365 |
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366 public void setResolvedType(TypeMirror resolvedType) { |
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367 this.resolvedType = resolvedType; |
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368 } |
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369 |
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370 @Override |
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371 public void accept(DSLExpressionVisitor visitor) { |
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372 visitor.visitIntLiteral(this); |
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373 } |
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374 |
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375 @Override |
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376 public String toString() { |
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377 return "IntLiteral [literal=" + literal + ", resolvedValueInt=" + resolvedValueInt + ", resolvedType=" + resolvedType + "]"; |
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378 } |
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379 |
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380 } |
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381 |
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382 public abstract class AbstractDSLExpressionVisitor implements DSLExpressionVisitor { |
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383 |
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384 public void visitBinary(Binary binary) { |
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385 } |
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386 |
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387 public void visitCall(Call binary) { |
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388 } |
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389 |
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390 public void visitIntLiteral(IntLiteral binary) { |
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391 } |
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392 |
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393 public void visitNegate(Negate negate) { |
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394 } |
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395 |
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396 public void visitVariable(Variable binary) { |
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397 } |
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398 } |
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399 |
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400 public interface DSLExpressionVisitor { |
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401 |
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402 void visitBinary(Binary binary); |
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403 |
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404 void visitNegate(Negate negate); |
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405 |
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406 void visitCall(Call binary); |
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407 |
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408 void visitVariable(Variable binary); |
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409 |
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410 void visitIntLiteral(IntLiteral binary); |
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411 |
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412 } |
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413 |
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414 } |