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annotate graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/expression/DSLExpression.java @ 19294:b31b2f289e7d

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Truffle-DSL: fix unnecessary frame cast warning.
author Christian Humer <christian.humer@gmail.com>
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() {
19289
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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 }
19283
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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 }
08aa0372dad4 Truffle-DSL: implement new guard expression syntax.
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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 }
08aa0372dad4 Truffle-DSL: implement new guard expression syntax.
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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 }
08aa0372dad4 Truffle-DSL: implement new guard expression syntax.
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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 }
08aa0372dad4 Truffle-DSL: implement new guard expression syntax.
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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 }
08aa0372dad4 Truffle-DSL: implement new guard expression syntax.
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386
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387 public void visitCall(Call binary) {
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388 }
08aa0372dad4 Truffle-DSL: implement new guard expression syntax.
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389
08aa0372dad4 Truffle-DSL: implement new guard expression syntax.
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390 public void visitIntLiteral(IntLiteral binary) {
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391 }
08aa0372dad4 Truffle-DSL: implement new guard expression syntax.
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392
08aa0372dad4 Truffle-DSL: implement new guard expression syntax.
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393 public void visitNegate(Negate negate) {
08aa0372dad4 Truffle-DSL: implement new guard expression syntax.
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394 }
08aa0372dad4 Truffle-DSL: implement new guard expression syntax.
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parents:
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395
08aa0372dad4 Truffle-DSL: implement new guard expression syntax.
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396 public void visitVariable(Variable binary) {
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397 }
08aa0372dad4 Truffle-DSL: implement new guard expression syntax.
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398 }
08aa0372dad4 Truffle-DSL: implement new guard expression syntax.
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399
08aa0372dad4 Truffle-DSL: implement new guard expression syntax.
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400 public interface DSLExpressionVisitor {
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401
08aa0372dad4 Truffle-DSL: implement new guard expression syntax.
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402 void visitBinary(Binary binary);
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parents:
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403
08aa0372dad4 Truffle-DSL: implement new guard expression syntax.
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404 void visitNegate(Negate negate);
08aa0372dad4 Truffle-DSL: implement new guard expression syntax.
Christian Humer <christian.humer@gmail.com>
parents:
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405
08aa0372dad4 Truffle-DSL: implement new guard expression syntax.
Christian Humer <christian.humer@gmail.com>
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406 void visitCall(Call binary);
08aa0372dad4 Truffle-DSL: implement new guard expression syntax.
Christian Humer <christian.humer@gmail.com>
parents:
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407
08aa0372dad4 Truffle-DSL: implement new guard expression syntax.
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408 void visitVariable(Variable binary);
08aa0372dad4 Truffle-DSL: implement new guard expression syntax.
Christian Humer <christian.humer@gmail.com>
parents:
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409
08aa0372dad4 Truffle-DSL: implement new guard expression syntax.
Christian Humer <christian.humer@gmail.com>
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410 void visitIntLiteral(IntLiteral binary);
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parents:
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411
08aa0372dad4 Truffle-DSL: implement new guard expression syntax.
Christian Humer <christian.humer@gmail.com>
parents:
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412 }
08aa0372dad4 Truffle-DSL: implement new guard expression syntax.
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parents:
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413
08aa0372dad4 Truffle-DSL: implement new guard expression syntax.
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414 }