annotate dmd/aggregate.h @ 1638:0de4525a9ed6

Apply workaround for #395 by klickverbot.
author Christian Kamm <kamm incasoftware de>
date Mon, 08 Mar 2010 20:06:08 +0100
parents 44b145be2ef5
children
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1
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2 // Compiler implementation of the D programming language
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3 // Copyright (c) 1999-2008 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 DMD_AGGREGATE_H
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12 #define DMD_AGGREGATE_H
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13
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14 #ifdef __DMC__
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15 #pragma once
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16 #endif /* __DMC__ */
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17
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18 #include "root.h"
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19
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20 #include "dsymbol.h"
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21
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22 #if IN_LLVM
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23 #include <vector>
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24 #include <set>
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25 #include <map>
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26 #endif
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27
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28 struct Identifier;
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29 struct Type;
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30 struct TypeFunction;
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31 struct Expression;
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32 struct FuncDeclaration;
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33 struct CtorDeclaration;
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34 struct DtorDeclaration;
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35 struct InvariantDeclaration;
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36 struct NewDeclaration;
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37 struct DeleteDeclaration;
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38 struct InterfaceDeclaration;
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39 struct ClassInfoDeclaration;
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40 struct VarDeclaration;
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41 struct dt_t;
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42
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43 #if IN_LLVM
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44 namespace llvm
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45 {
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46 class Type;
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47 class Value;
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48 class Constant;
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49 class ConstantStruct;
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50 class GlobalVariable;
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51 }
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52 #endif
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53
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54 struct AggregateDeclaration : ScopeDsymbol
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55 {
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56 Type *type;
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57 StorageClass storage_class;
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58 enum PROT protection;
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59 Type *handle; // 'this' type
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60 unsigned structsize; // size of struct
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61 unsigned alignsize; // size of struct for alignment purposes
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62 unsigned structalign; // struct member alignment in effect
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63 int hasUnions; // set if aggregate has overlapping fields
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64 Array fields; // VarDeclaration fields
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65 unsigned sizeok; // set when structsize contains valid data
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66 // 0: no size
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67 // 1: size is correct
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68 // 2: cannot determine size; fwd referenced
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69 int isdeprecated; // !=0 if deprecated
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70
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71 #if DMDV2
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72 int isnested; // !=0 if is nested
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73 VarDeclaration *vthis; // 'this' parameter if this aggregate is nested
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74 #endif
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75 // Special member functions
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76 InvariantDeclaration *inv; // invariant
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77 NewDeclaration *aggNew; // allocator
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78 DeleteDeclaration *aggDelete; // deallocator
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79
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80 #if DMDV2
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81 //CtorDeclaration *ctor;
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82 Dsymbol *ctor; // CtorDeclaration or TemplateDeclaration
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83 CtorDeclaration *defaultCtor; // default constructor
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84 Dsymbol *aliasthis; // forward unresolved lookups to aliasthis
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85 #endif
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86
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87 FuncDeclarations dtors; // Array of destructors
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88 FuncDeclaration *dtor; // aggregate destructor
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89
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90 #ifdef IN_GCC
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91 Array methods; // flat list of all methods for debug information
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92 #endif
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93
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94 AggregateDeclaration(Loc loc, Identifier *id);
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95 void semantic2(Scope *sc);
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96 void semantic3(Scope *sc);
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97 void inlineScan();
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98 unsigned size(Loc loc);
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99 static void alignmember(unsigned salign, unsigned size, unsigned *poffset);
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100 Type *getType();
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101 void addField(Scope *sc, VarDeclaration *v);
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102 int isDeprecated(); // is aggregate deprecated?
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103 FuncDeclaration *buildDtor(Scope *sc);
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104 int isNested();
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105
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106 void emitComment(Scope *sc);
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107 void toJsonBuffer(OutBuffer *buf);
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108 void toDocBuffer(OutBuffer *buf);
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109
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110 // For access checking
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111 virtual PROT getAccess(Dsymbol *smember); // determine access to smember
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112 int isFriendOf(AggregateDeclaration *cd);
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113 int hasPrivateAccess(Dsymbol *smember); // does smember have private access to members of this class?
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114 void accessCheck(Loc loc, Scope *sc, Dsymbol *smember);
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115
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116 enum PROT prot();
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117
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118 #if IN_DMD
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119 // Back end
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120 Symbol *stag; // tag symbol for debug data
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121 Symbol *sinit;
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122 Symbol *toInitializer();
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123 #endif
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124
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125 AggregateDeclaration *isAggregateDeclaration() { return this; }
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126
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127 #if IN_LLVM
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128 // Aggregates that wouldn't have gotten semantic3'ed if we weren't inlining set this flag.
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129 bool availableExternally;
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130 #endif
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131 };
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132
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133 struct AnonymousAggregateDeclaration : AggregateDeclaration
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134 {
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135 AnonymousAggregateDeclaration()
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136 : AggregateDeclaration(0, NULL)
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137 {
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138 }
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139
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140 AnonymousAggregateDeclaration *isAnonymousAggregateDeclaration() { return this; }
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141 };
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142
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143 struct StructDeclaration : AggregateDeclaration
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144 {
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145 int zeroInit; // !=0 if initialize with 0 fill
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146 #if DMDV2
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147 int hasIdentityAssign; // !=0 if has identity opAssign
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148 FuncDeclaration *cpctor; // generated copy-constructor, if any
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149
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150 FuncDeclarations postblits; // Array of postblit functions
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151 FuncDeclaration *postblit; // aggregate postblit
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152 #endif
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153
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154 StructDeclaration(Loc loc, Identifier *id);
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155 Dsymbol *syntaxCopy(Dsymbol *s);
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156 void semantic(Scope *sc);
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157 Dsymbol *search(Loc, Identifier *ident, int flags);
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158 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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159 char *mangle();
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160 const char *kind();
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161 #if DMDV1
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162 Expression *cloneMembers();
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163 #endif
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164 #if DMDV2
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165 int needOpAssign();
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166 FuncDeclaration *buildOpAssign(Scope *sc);
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167 FuncDeclaration *buildPostBlit(Scope *sc);
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168 FuncDeclaration *buildCpCtor(Scope *sc);
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169 #endif
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170 void toDocBuffer(OutBuffer *buf);
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171
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172 PROT getAccess(Dsymbol *smember); // determine access to smember
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173
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174 #if IN_DMD
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175 void toObjFile(int multiobj); // compile to .obj file
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176 void toDt(dt_t **pdt);
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177 void toDebug(); // to symbolic debug info
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178 #endif
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179
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180 StructDeclaration *isStructDeclaration() { return this; }
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181
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182 #if IN_LLVM
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183 void codegen(Ir*);
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184 #endif
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185 };
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186
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187 struct UnionDeclaration : StructDeclaration
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188 {
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189 UnionDeclaration(Loc loc, Identifier *id);
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190 Dsymbol *syntaxCopy(Dsymbol *s);
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191 const char *kind();
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192
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193 UnionDeclaration *isUnionDeclaration() { return this; }
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194 };
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195
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196 // warning: two classes with the same base class share the same
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197 // BaseClass instance.
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198 struct BaseClass
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199 {
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200 Type *type; // (before semantic processing)
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201 enum PROT protection; // protection for the base interface
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202
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203 ClassDeclaration *base;
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204 int offset; // 'this' pointer offset
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205 Array vtbl; // for interfaces: Array of FuncDeclaration's
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206 // making up the vtbl[]
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207
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208 int baseInterfaces_dim;
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209 BaseClass *baseInterfaces; // if BaseClass is an interface, these
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210 // are a copy of the InterfaceDeclaration::interfaces
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211
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212 BaseClass();
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213 BaseClass(Type *type, enum PROT protection);
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214
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215 int fillVtbl(ClassDeclaration *cd, Array *vtbl, int newinstance);
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216 void copyBaseInterfaces(BaseClasses *);
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217 };
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218
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219 #if DMDV2
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220 #define CLASSINFO_SIZE (0x3C+16+4) // value of ClassInfo.size
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221 #else
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222 #define CLASSINFO_SIZE (0x3C+12+4) // value of ClassInfo.size
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223 #endif
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224
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225 struct ClassDeclaration : AggregateDeclaration
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226 {
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227 static ClassDeclaration *object;
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228 static ClassDeclaration *classinfo;
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229
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230 ClassDeclaration *baseClass; // NULL only if this is Object
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231 #if DMDV1
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232 CtorDeclaration *ctor;
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233 CtorDeclaration *defaultCtor; // default constructor
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234 #endif
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235 FuncDeclaration *staticCtor;
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236 FuncDeclaration *staticDtor;
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237 Array vtbl; // Array of FuncDeclaration's making up the vtbl[]
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238 Array vtblFinal; // More FuncDeclaration's that aren't in vtbl[]
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239
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240 BaseClasses baseclasses; // Array of BaseClass's; first is super,
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241 // rest are Interface's
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242
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243 int interfaces_dim;
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244 BaseClass **interfaces; // interfaces[interfaces_dim] for this class
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245 // (does not include baseClass)
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246
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247 BaseClasses *vtblInterfaces; // array of base interfaces that have
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248 // their own vtbl[]
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249
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250 ClassInfoDeclaration *vclassinfo; // the ClassInfo object for this ClassDeclaration
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251 int com; // !=0 if this is a COM class (meaning
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252 // it derives from IUnknown)
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253 int isscope; // !=0 if this is a scope class
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254 int isabstract; // !=0 if abstract class
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255 #if DMDV1
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256 int isnested; // !=0 if is nested
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257 VarDeclaration *vthis; // 'this' parameter if this class is nested
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258 #endif
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259 int inuse; // to prevent recursive attempts
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260
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261 ClassDeclaration(Loc loc, Identifier *id, BaseClasses *baseclasses);
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262 Dsymbol *syntaxCopy(Dsymbol *s);
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263 void semantic(Scope *sc);
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264 void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
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265 int isBaseOf2(ClassDeclaration *cd);
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266
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267 #define OFFSET_RUNTIME 0x76543210
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268 virtual int isBaseOf(ClassDeclaration *cd, int *poffset);
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269
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270 Dsymbol *search(Loc, Identifier *ident, int flags);
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271 #if DMDV2
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272 int isFuncHidden(FuncDeclaration *fd);
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273 #endif
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274 FuncDeclaration *findFunc(Identifier *ident, TypeFunction *tf);
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275 void interfaceSemantic(Scope *sc);
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276 #if DMDV1
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277 int isNested();
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278 #endif
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279 int isCOMclass();
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280 virtual int isCOMinterface();
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281 #if DMDV2
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282 virtual int isCPPinterface();
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283 #endif
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284 int isAbstract();
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285 virtual int vtblOffset();
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286 const char *kind();
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287 char *mangle();
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288 void toDocBuffer(OutBuffer *buf);
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289
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290 PROT getAccess(Dsymbol *smember); // determine access to smember
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291
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292 void addLocalClass(ClassDeclarations *);
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293
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294 #if IN_DMD
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295 // Back end
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296 void toObjFile(int multiobj); // compile to .obj file
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297 void toDebug();
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298 unsigned baseVtblOffset(BaseClass *bc);
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299 Symbol *toSymbol();
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300 Symbol *toVtblSymbol();
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301 void toDt(dt_t **pdt);
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302 void toDt2(dt_t **pdt, ClassDeclaration *cd);
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303
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304 Symbol *vtblsym;
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305 #endif
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306
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307 ClassDeclaration *isClassDeclaration() { return (ClassDeclaration *)this; }
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308
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309 #if IN_LLVM
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310 virtual void codegen(Ir*);
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311 #endif
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312 };
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313
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314 struct InterfaceDeclaration : ClassDeclaration
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315 {
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316 #if DMDV2
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317 int cpp; // !=0 if this is a C++ interface
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318 #endif
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319 InterfaceDeclaration(Loc loc, Identifier *id, BaseClasses *baseclasses);
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320 Dsymbol *syntaxCopy(Dsymbol *s);
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321 void semantic(Scope *sc);
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322 int isBaseOf(ClassDeclaration *cd, int *poffset);
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323 int isBaseOf(BaseClass *bc, int *poffset);
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324 const char *kind();
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325 int vtblOffset();
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326 #if DMDV2
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327 int isCPPinterface();
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328 #endif
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329 virtual int isCOMinterface();
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330
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331 #if IN_DMD
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332 void toObjFile(int multiobj); // compile to .obj file
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333 Symbol *toSymbol();
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334 #endif
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335
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336 InterfaceDeclaration *isInterfaceDeclaration() { return this; }
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337
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338 #if IN_LLVM
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339 void codegen(Ir*);
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340 #endif
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341 };
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342
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343 #endif /* DMD_AGGREGATE_H */