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annotate dmd2/delegatize.c @ 883:b52d5de7783f

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GC defines and linkage changes.
author Christian Kamm <kamm incasoftware de>
date Thu, 08 Jan 2009 18:20:02 +0100
parents f04dde6e882c
children
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f04dde6e882c Added initial D2 support, D2 frontend and changes to codegen to make things compile.
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1
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2 // Compiler implementation of the D programming language
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3 // Copyright (c) 1999-2007 by Digital Mars
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4 // All Rights Reserved
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5 // written by Walter Bright
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6 // http://www.digitalmars.com
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7 // License for redistribution is by either the Artistic License
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8 // in artistic.txt, or the GNU General Public License in gnu.txt.
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9 // See the included readme.txt for details.
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11 #include <stdio.h>
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12 #include <assert.h>
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14 #include "mars.h"
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15 #include "expression.h"
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16 #include "statement.h"
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17 #include "mtype.h"
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18 #include "utf.h"
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19 #include "declaration.h"
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20 #include "aggregate.h"
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21 #include "scope.h"
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22
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23 /********************************************
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24 * Convert from expression to delegate that returns the expression,
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25 * i.e. convert:
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26 * expr
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27 * to:
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28 * t delegate() { return expr; }
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29 */
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30
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31 Expression *Expression::toDelegate(Scope *sc, Type *t)
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32 {
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33 //printf("Expression::toDelegate(t = %s) %s\n", t->toChars(), toChars());
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34 TypeFunction *tf = new TypeFunction(NULL, t, 0, LINKd);
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35 FuncLiteralDeclaration *fld =
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36 new FuncLiteralDeclaration(loc, loc, tf, TOKdelegate, NULL);
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37 Expression *e;
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38 #if 1
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39 sc = sc->push();
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40 sc->parent = fld; // set current function to be the delegate
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41 e = this;
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42 e->scanForNestedRef(sc);
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43 sc = sc->pop();
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44 #else
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45 e = this->syntaxCopy();
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46 #endif
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47 Statement *s = new ReturnStatement(loc, e);
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48 fld->fbody = s;
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49 e = new FuncExp(loc, fld);
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50 e = e->semantic(sc);
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51 return e;
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52 }
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53
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54 /******************************
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55 * Perform scanForNestedRef() on an array of Expressions.
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56 */
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57
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58 void arrayExpressionScanForNestedRef(Scope *sc, Expressions *a)
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59 {
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60 //printf("arrayExpressionScanForNestedRef(%p)\n", a);
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61 if (a)
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62 {
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63 for (int i = 0; i < a->dim; i++)
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64 { Expression *e = (Expression *)a->data[i];
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65
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66 if (e)
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67 {
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68 e->scanForNestedRef(sc);
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69 }
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70 }
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71 }
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72 }
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73
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74 void Expression::scanForNestedRef(Scope *sc)
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75 {
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76 //printf("Expression::scanForNestedRef(%s)\n", toChars());
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77 }
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78
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79 void SymOffExp::scanForNestedRef(Scope *sc)
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80 {
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81 //printf("SymOffExp::scanForNestedRef(%s)\n", toChars());
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82 VarDeclaration *v = var->isVarDeclaration();
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83 if (v)
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84 v->checkNestedReference(sc, 0);
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85 }
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86
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87 void VarExp::scanForNestedRef(Scope *sc)
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88 {
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89 //printf("VarExp::scanForNestedRef(%s)\n", toChars());
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90 VarDeclaration *v = var->isVarDeclaration();
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91 if (v)
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92 v->checkNestedReference(sc, 0);
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93 }
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94
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95 void ThisExp::scanForNestedRef(Scope *sc)
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96 {
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97 assert(var);
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98 var->isVarDeclaration()->checkNestedReference(sc, 0);
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99 }
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100
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101 void SuperExp::scanForNestedRef(Scope *sc)
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102 {
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103 ThisExp::scanForNestedRef(sc);
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104 }
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105
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106 void FuncExp::scanForNestedRef(Scope *sc)
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107 {
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108 //printf("FuncExp::scanForNestedRef(%s)\n", toChars());
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109 //fd->parent = sc->parent;
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110 }
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111
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112 void DeclarationExp::scanForNestedRef(Scope *sc)
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113 {
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114 //printf("DeclarationExp::scanForNestedRef() %s\n", toChars());
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115 declaration->parent = sc->parent;
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116 }
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117
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118 void NewExp::scanForNestedRef(Scope *sc)
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119 {
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120 //printf("NewExp::scanForNestedRef(Scope *sc): %s\n", toChars());
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121
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122 if (thisexp)
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123 thisexp->scanForNestedRef(sc);
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124 arrayExpressionScanForNestedRef(sc, newargs);
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125 arrayExpressionScanForNestedRef(sc, arguments);
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126 }
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127
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128 void UnaExp::scanForNestedRef(Scope *sc)
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129 {
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130 e1->scanForNestedRef(sc);
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131 }
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132
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133 void BinExp::scanForNestedRef(Scope *sc)
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134 {
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135 e1->scanForNestedRef(sc);
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136 e2->scanForNestedRef(sc);
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137 }
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138
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139 void CallExp::scanForNestedRef(Scope *sc)
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140 {
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141 //printf("CallExp::scanForNestedRef(Scope *sc): %s\n", toChars());
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142 e1->scanForNestedRef(sc);
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143 arrayExpressionScanForNestedRef(sc, arguments);
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144 }
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145
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146
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147 void IndexExp::scanForNestedRef(Scope *sc)
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148 {
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149 e1->scanForNestedRef(sc);
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150
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151 if (lengthVar)
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152 { //printf("lengthVar\n");
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153 lengthVar->parent = sc->parent;
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154 }
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155 e2->scanForNestedRef(sc);
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156 }
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157
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158
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159 void SliceExp::scanForNestedRef(Scope *sc)
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160 {
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161 e1->scanForNestedRef(sc);
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162
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163 if (lengthVar)
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164 { //printf("lengthVar\n");
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165 lengthVar->parent = sc->parent;
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166 }
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167 if (lwr)
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168 lwr->scanForNestedRef(sc);
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169 if (upr)
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170 upr->scanForNestedRef(sc);
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171 }
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172
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173
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174 void ArrayLiteralExp::scanForNestedRef(Scope *sc)
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175 {
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176 arrayExpressionScanForNestedRef(sc, elements);
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177 }
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178
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179
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180 void AssocArrayLiteralExp::scanForNestedRef(Scope *sc)
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181 {
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182 arrayExpressionScanForNestedRef(sc, keys);
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183 arrayExpressionScanForNestedRef(sc, values);
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184 }
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185
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186
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187 void StructLiteralExp::scanForNestedRef(Scope *sc)
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188 {
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189 arrayExpressionScanForNestedRef(sc, elements);
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190 }
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191
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192
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193 void TupleExp::scanForNestedRef(Scope *sc)
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194 {
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195 arrayExpressionScanForNestedRef(sc, exps);
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196 }
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197
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198
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199 void ArrayExp::scanForNestedRef(Scope *sc)
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200 {
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201 e1->scanForNestedRef(sc);
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202 arrayExpressionScanForNestedRef(sc, arguments);
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203 }
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204
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205
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206 void CondExp::scanForNestedRef(Scope *sc)
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207 {
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208 econd->scanForNestedRef(sc);
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209 e1->scanForNestedRef(sc);
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210 e2->scanForNestedRef(sc);
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211 }
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212
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213
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214