1
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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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10
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11 #ifndef INIT_H
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12 #define INIT_H
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13
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14 #include "root.h"
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15
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16 #include "mars.h"
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17 #include "arraytypes.h"
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18
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19 struct Identifier;
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20 struct Expression;
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21 struct Scope;
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22 struct Type;
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23 struct dt_t;
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24 struct AggregateDeclaration;
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25 struct VoidInitializer;
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19
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26 struct StructInitializer;
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27 struct ArrayInitializer;
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28 struct ExpInitializer;
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29 struct StructInitializer;
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30 #ifdef _DH
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31 struct HdrGenState;
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32 #endif
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33
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34 struct Initializer : Object
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35 {
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36 Loc loc;
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37
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38 Initializer(Loc loc);
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39 virtual Initializer *syntaxCopy();
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40 virtual Initializer *semantic(Scope *sc, Type *t);
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41 virtual Type *inferType(Scope *sc);
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42 virtual Expression *toExpression() = 0;
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43 virtual void toCBuffer(OutBuffer *buf, HdrGenState *hgs) = 0;
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44 char *toChars();
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45
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46 static Initializers *arraySyntaxCopy(Initializers *ai);
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47
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48 virtual dt_t *toDt();
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49
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50 virtual VoidInitializer *isVoidInitializer() { return NULL; }
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51 virtual StructInitializer *isStructInitializer() { return NULL; }
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52 virtual ArrayInitializer *isArrayInitializer() { return NULL; }
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53 virtual ExpInitializer *isExpInitializer() { return NULL; }
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54 };
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55
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56 struct VoidInitializer : Initializer
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57 {
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58 Type *type; // type that this will initialize to
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59
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60 VoidInitializer(Loc loc);
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61 Initializer *syntaxCopy();
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62 Initializer *semantic(Scope *sc, Type *t);
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63 Expression *toExpression();
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64 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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65
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66 dt_t *toDt();
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67
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68 virtual VoidInitializer *isVoidInitializer() { return this; }
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69 };
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70
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71 struct StructInitializer : Initializer
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72 {
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73 Identifiers field; // of Identifier *'s
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74 Initializers value; // parallel array of Initializer *'s
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75
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76 Array vars; // parallel array of VarDeclaration *'s
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77 AggregateDeclaration *ad; // which aggregate this is for
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78
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79 StructInitializer(Loc loc);
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80 Initializer *syntaxCopy();
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81 void addInit(Identifier *field, Initializer *value);
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82 Initializer *semantic(Scope *sc, Type *t);
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83 Expression *toExpression();
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84 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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85
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86 dt_t *toDt();
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87
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88 StructInitializer *isStructInitializer() { return this; }
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89 };
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90
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91 struct ArrayInitializer : Initializer
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92 {
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93 Expressions index; // indices
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94 Initializers value; // of Initializer *'s
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95 unsigned dim; // length of array being initialized
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96 Type *type; // type that array will be used to initialize
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97 int sem; // !=0 if semantic() is run
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98
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99 ArrayInitializer(Loc loc);
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100 Initializer *syntaxCopy();
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101 void addInit(Expression *index, Initializer *value);
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102 Initializer *semantic(Scope *sc, Type *t);
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103 Type *inferType(Scope *sc);
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104 Expression *toExpression();
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105 Initializer *toAssocArrayInitializer();
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106 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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107
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108 dt_t *toDt();
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109 dt_t *toDtBit(); // for bit arrays
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110
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111 ArrayInitializer *isArrayInitializer() { return this; }
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112 };
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113
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114 struct ExpInitializer : Initializer
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115 {
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116 Expression *exp;
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117
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118 ExpInitializer(Loc loc, Expression *exp);
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119 Initializer *syntaxCopy();
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120 Initializer *semantic(Scope *sc, Type *t);
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121 Type *inferType(Scope *sc);
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122 Expression *toExpression();
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123 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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124
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125 dt_t *toDt();
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126
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127 virtual ExpInitializer *isExpInitializer() { return this; }
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128 };
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129
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130 #endif
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