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annotate graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/expression/DSLExpression.java @ 19289:62c43fcf5be2

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Truffle-DSL: implement @Cached and fixes for the new guard expression syntax.
author Christian Humer <christian.humer@gmail.com>
date Tue, 03 Feb 2015 15:07:07 +0100
parents 08aa0372dad4
children b31b2f289e7d
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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() {
19289
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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 }
19283
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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 }