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1 module dmd.StructLiteralExp;
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2
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3 import dmd.Expression;
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4 import dmd.StructDeclaration;
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5 import dmd.backend.elem;
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6 import dmd.InterState;
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7 import dmd.MATCH;
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8 import dmd.WANT;
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9 import dmd.Type;
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10 import dmd.OutBuffer;
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11 import dmd.Loc;
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12 import dmd.Scope;
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13 import dmd.InlineCostState;
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14 import dmd.IRState;
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15 import dmd.InlineDoState;
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16 import dmd.backend.Symbol;
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17 import dmd.HdrGenState;
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18 import dmd.backend.dt_t;
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19 import dmd.InlineScanState;
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20 import dmd.ArrayTypes;
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21 import dmd.TOK;
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22
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23
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24 class StructLiteralExp : Expression
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25 {
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26 StructDeclaration sd; // which aggregate this is for
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27 Expressions elements; // parallels sd->fields[] with
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28 // NULL entries for fields to skip
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29
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30 Symbol* sym; // back end symbol to initialize with literal
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31 size_t soffset; // offset from start of s
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32 int fillHoles; // fill alignment 'holes' with zero
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33
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34 this(Loc loc, StructDeclaration sd, Expressions elements)
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35 {
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36 super(loc, TOKstructliteral, StructLiteralExp.sizeof);
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37 this.sd = sd;
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38 this.elements = elements;
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39 this.sym = null;
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40 this.soffset = 0;
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41 this.fillHoles = 1;
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42 }
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43
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44 Expression syntaxCopy()
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45 {
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46 assert(false);
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47 }
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48
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49 Expression semantic(Scope sc)
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50 {
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51 assert(false);
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52 }
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53
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54 Expression getField(Type type, uint offset)
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55 {
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56 assert(false);
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57 }
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58
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59 int getFieldIndex(Type type, uint offset)
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60 {
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61 assert(false);
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62 }
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63
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64 elem* toElem(IRState* irs)
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65 {
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66 assert(false);
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67 }
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68
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69 bool checkSideEffect(int flag)
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70 {
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71 assert(false);
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72 }
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73
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74 void toCBuffer(OutBuffer buf, HdrGenState* hgs)
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75 {
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76 assert(false);
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77 }
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78
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79 void toMangleBuffer(OutBuffer buf)
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80 {
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81 assert(false);
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82 }
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83
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84 void scanForNestedRef(Scope sc)
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85 {
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86 assert(false);
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87 }
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88
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89 Expression optimize(int result)
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90 {
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91 if (elements)
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92 {
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93 for (size_t i = 0; i < elements.dim; i++)
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94 {
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95 Expression e = cast(Expression)elements.data[i];
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96 if (!e)
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97 continue;
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98 e = e.optimize(WANTvalue | (result & WANTinterpret));
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99 elements.data[i] = cast(void*)e;
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100 }
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101 }
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102 return this;
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103 }
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104
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105 Expression interpret(InterState* istate)
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106 {
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107 assert(false);
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108 }
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109
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110 dt_t** toDt(dt_t** pdt)
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111 {
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112 assert(false);
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113 }
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114
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115 int isLvalue()
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116 {
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117 assert(false);
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118 }
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119
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120 Expression toLvalue(Scope sc, Expression e)
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121 {
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122 assert(false);
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123 }
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124
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125 bool canThrow()
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126 {
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127 assert(false);
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128 }
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129
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130 MATCH implicitConvTo(Type t)
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131 {
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132 assert(false);
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133 }
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134
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135 int inlineCost(InlineCostState* ics)
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136 {
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137 assert(false);
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138 }
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139
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140 Expression doInline(InlineDoState ids)
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141 {
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142 assert(false);
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143 }
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144
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145 Expression inlineScan(InlineScanState* iss)
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146 {
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147 assert(false);
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148 }
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149 }
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150
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