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1 module dmd.backend.struct_t;
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2
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3 import dmd.backend.targ_types;
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4 import dmd.backend.LIST;
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5 import dmd.backend.Symbol;
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6
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7 /***********************************
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8 * Special information for structs.
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9 */
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10
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11 struct struct_t
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12 {
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13 targ_size_t Sstructsize; // size of struct
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14 symlist_t Sfldlst; // all members of struct (list freeable)
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15 Symbol* Sroot; // root of binary tree Symbol table
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16 uint Salignsize; // size of struct for alignment purposes
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17 ubyte Sstructalign; // struct member alignment in effect
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18 uint Sflags;
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19 /+
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20 #define STRanonymous 0x01 // set for unions with no tag names
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21 #define STRglobal 0x02 // defined at file scope
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22 #define STRnotagname 0x04 // struct/class with no tag name
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23 #define STRoutdef 0x08 // we've output the debug definition
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24 #define STRbitfields 0x10 // set if struct contains bit fields
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25 #define STRpredef 0x1000 // a predefined struct
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26 #define STRunion 0x4000 // actually, it's a union
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27
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28 #define STRabstract 0x20 // abstract class
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29 #define STRbitcopy 0x40 // set if operator=() is merely a bit copy
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30 #define STRanyctor 0x80 // set if any constructors were defined
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31 // by the user
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32 #define STRnoctor 0x100 // no constructors allowed
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33 #define STRgen 0x200 // if struct is an instantiation of a
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34 // template class, and was generated by
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35 // that template
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36 #define STRvtblext 0x400 // generate vtbl[] only when first member function
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37 // definition is encountered (see Fvtblgen)
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38 #define STRexport 0x800 // all member functions are to be _export
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39 #define STRclass 0x8000 // it's a class, not a struct
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40 #if TX86
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41 #define STRimport 0x40000 // imported class
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42 #define STRstaticmems 0x80000 // class has static members
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43 #endif
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44 #define STR0size 0x100000 // zero sized struct
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45 #define STRinstantiating 0x200000 // if currently being instantiated
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46 #define STRexplicit 0x400000 // if explicit template instantiation
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47 #define STRgenctor0 0x800000 // need to gen X::X()
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48 tym_t ptrtype; // type of pointer to refer to classes by
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49 unsigned short access; // current access privilege, here so
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50 // enum declarations can get at it
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51 targ_size_t Snonvirtsize; // size of struct excluding virtual classes
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52 list_t Svirtual; // freeable list of mptrs
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53 // that go into vtbl[]
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54 #if TX86
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55 list_t *Spvirtder; // pointer into Svirtual that points to start
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56 // of virtual functions for this (derived) class
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57 symlist_t Sopoverload; // overloaded operator funcs (list freeable)
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58 #endif
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59 symlist_t Scastoverload; // overloaded cast funcs (list freeable)
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60 symlist_t Sclassfriends; // list of classes of which this is a friend
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61 // (list is freeable)
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62 symlist_t Sfriendclass; // classes which are a friend to this class
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63 // (list is freeable)
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64 symlist_t Sfriendfuncs; // functions which are a friend to this class
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65 // (list is freeable)
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66 symlist_t Sinlinefuncs; // list of tokenized functions
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67 baseclass_t *Sbase; // list of direct base classes
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68 baseclass_t *Svirtbase; // list of all virtual base classes
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69 baseclass_t *Smptrbase; // list of all base classes that have
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70 // their own vtbl[]
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71 baseclass_t *Sprimary; // if not NULL, then points to primary
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72 // base class
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73 Funcsym *Svecctor; // constructor for use by vec_new()
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74 Funcsym *Sctor; // constructor function
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75
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76 Funcsym *Sdtor; // basic destructor
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77 #if VBTABLES
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78 Funcsym *Sprimdtor; // primary destructor
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79 Funcsym *Spriminv; // primary invariant
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80 Funcsym *Sscaldeldtor; // scalar deleting destructor
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81 #endif
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82
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83 Funcsym *Sinvariant; // basic invariant function
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84
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85 Symbol *Svptr; // Symbol of vptr
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86 Symbol *Svtbl; // Symbol of vtbl[]
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87 #if VBTABLES
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88 Symbol *Svbptr; // Symbol of pointer to vbtbl[]
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89 Symbol *Svbptr_parent; // base class for which Svbptr is a member.
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90 // NULL if Svbptr is a member of this class
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91 targ_size_t Svbptr_off; // offset of Svbptr member
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92 Symbol *Svbtbl; // virtual base offset table
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93 baseclass_t *Svbptrbase; // list of all base classes in canonical
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94 // order that have their own vbtbl[]
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95 #endif
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96 Funcsym *Sopeq; // X& X::operator =(X&)
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97 Funcsym *Sopeq2; // Sopeq, but no copy of virtual bases
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98 Funcsym *Scpct; // copy constructor
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99 Funcsym *Sveccpct; // vector copy constructor
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100 Symbol *Salias; // pointer to identifier S to use if
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101 // struct was defined as:
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102 // typedef struct { ... } S;
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103
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104 Symbol *Stempsym; // if this struct is an instantiation
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105 // of a template class, this is the
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106 // template class Symbol
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107
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108 /* For:
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109 * template<class T> struct A { };
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110 * template<class T> struct A<T *> { };
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111 *
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112 * A<int> a; // primary
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113 * Gives:
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114 * Sarglist = <int>
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115 * Spr_arglist = NULL;
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116 *
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117 * A<int*> a; // specialization
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118 * Gives:
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119 * Sarglist = <int>
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120 * Spr_arglist = <int*>;
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121 */
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122
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123 param_t *Sarglist; // if this struct is an instantiation
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124 // of a template class, this is the
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125 // actual arg list used
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126 param_t *Spr_arglist; // if this struct is an instantiation
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127 // of a specialized template class, this is the
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128 // actual primary arg list used.
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129 // It is NULL for the
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130 // primary template class (since it would be
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131 // identical to Sarglist).
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132 TARGET_structSTRUCT
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133 +/
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134 } |
