Mercurial > projects > ldc
annotate dmd/aggregate.h @ 73:b706170e24a9 trunk
[svn r77] Fixed foreach on slice.
Fixed some nested function problems when accessing outer function parameters.
Major changes to handling of structs.
Initial support for unions.
Probably more...
| author | lindquist |
|---|---|
| date | Wed, 31 Oct 2007 03:11:32 +0100 |
| parents | d7e764e62462 |
| children | 714057ff2dbb |
| rev | line source |
|---|---|
| 1 | 1 |
| 2 // Compiler implementation of the D programming language | |
| 3 // Copyright (c) 1999-2006 by Digital Mars | |
| 4 // All Rights Reserved | |
| 5 // written by Walter Bright | |
| 6 // http://www.digitalmars.com | |
| 7 // License for redistribution is by either the Artistic License | |
| 8 // in artistic.txt, or the GNU General Public License in gnu.txt. | |
| 9 // See the included readme.txt for details. | |
| 10 | |
| 11 #ifndef DMD_AGGREGATE_H | |
| 12 #define DMD_AGGREGATE_H | |
| 13 | |
| 14 #ifdef __DMC__ | |
| 15 #pragma once | |
| 16 #endif /* __DMC__ */ | |
| 17 | |
| 18 #include "root.h" | |
| 19 #include "dsymbol.h" | |
| 20 | |
|
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21 #include <vector> |
| 73 | 22 #include <set> |
| 23 #include <map> | |
|
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24 |
| 1 | 25 struct Identifier; |
| 26 struct Type; | |
| 27 struct TypeFunction; | |
| 28 struct Expression; | |
| 29 struct FuncDeclaration; | |
| 30 struct CtorDeclaration; | |
| 31 struct DtorDeclaration; | |
| 32 struct InvariantDeclaration; | |
| 33 struct NewDeclaration; | |
| 34 struct DeleteDeclaration; | |
| 35 struct InterfaceDeclaration; | |
| 36 struct ClassInfoDeclaration; | |
| 37 struct VarDeclaration; | |
| 38 struct dt_t; | |
| 39 | |
| 40 namespace llvm | |
| 41 { | |
| 42 class Type; | |
| 43 class Value; | |
| 44 class Constant; | |
|
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45 class ConstantStruct; |
| 1 | 46 } |
| 47 | |
| 48 struct AggregateDeclaration : ScopeDsymbol | |
| 49 { | |
| 50 Type *type; | |
| 51 unsigned storage_class; | |
| 52 enum PROT protection; | |
| 53 Type *handle; // 'this' type | |
| 54 unsigned structsize; // size of struct | |
| 55 unsigned alignsize; // size of struct for alignment purposes | |
| 56 unsigned structalign; // struct member alignment in effect | |
| 57 int hasUnions; // set if aggregate has overlapping fields | |
| 58 Array fields; // VarDeclaration fields | |
| 59 unsigned sizeok; // set when structsize contains valid data | |
| 60 // 0: no size | |
| 61 // 1: size is correct | |
| 62 // 2: cannot determine size; fwd referenced | |
| 63 int isdeprecated; // !=0 if deprecated | |
| 64 Scope *scope; // !=NULL means context to use | |
| 65 | |
| 66 // Special member functions | |
| 67 InvariantDeclaration *inv; // invariant | |
| 68 NewDeclaration *aggNew; // allocator | |
| 69 DeleteDeclaration *aggDelete; // deallocator | |
| 70 | |
| 71 #ifdef IN_GCC | |
| 72 Array methods; // flat list of all methods for debug information | |
| 73 #endif | |
| 74 | |
| 75 AggregateDeclaration(Loc loc, Identifier *id); | |
| 76 void semantic2(Scope *sc); | |
| 77 void semantic3(Scope *sc); | |
| 78 void inlineScan(); | |
| 79 unsigned size(Loc loc); | |
| 80 static void alignmember(unsigned salign, unsigned size, unsigned *poffset); | |
| 81 Type *getType(); | |
| 82 void addField(Scope *sc, VarDeclaration *v); | |
| 83 int isDeprecated(); // is aggregate deprecated? | |
| 84 | |
| 85 void emitComment(Scope *sc); | |
| 86 void toDocBuffer(OutBuffer *buf); | |
| 87 | |
| 88 // For access checking | |
| 89 virtual PROT getAccess(Dsymbol *smember); // determine access to smember | |
| 90 int isFriendOf(AggregateDeclaration *cd); | |
| 91 int hasPrivateAccess(Dsymbol *smember); // does smember have private access to members of this class? | |
| 92 void accessCheck(Loc loc, Scope *sc, Dsymbol *smember); | |
| 93 | |
| 94 enum PROT prot(); | |
| 95 | |
| 96 // Back end | |
| 97 Symbol *stag; // tag symbol for debug data | |
| 98 Symbol *sinit; | |
| 99 Symbol *toInitializer(); | |
| 100 | |
| 101 bool llvmInProgress; | |
| 102 llvm::Type* llvmType; | |
| 72 | 103 llvm::Constant* llvmVtbl; |
|
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104 llvm::ConstantStruct* llvmConstVtbl; |
| 1 | 105 llvm::Constant* llvmInitZ; |
| 73 | 106 bool llvmHasUnions; |
| 107 virtual size_t offsetToIndex(Type* t, unsigned os, std::vector<unsigned>& result); // converts a DMD field offsets to LLVM struct index vector | |
| 1 | 108 |
| 109 AggregateDeclaration *isAggregateDeclaration() { return this; } | |
| 110 }; | |
| 111 | |
| 112 struct AnonymousAggregateDeclaration : AggregateDeclaration | |
| 113 { | |
| 114 AnonymousAggregateDeclaration() | |
| 115 : AggregateDeclaration(0, NULL) | |
| 116 { | |
| 117 } | |
| 118 | |
| 119 AnonymousAggregateDeclaration *isAnonymousAggregateDeclaration() { return this; } | |
| 120 }; | |
| 121 | |
| 122 struct StructDeclaration : AggregateDeclaration | |
| 123 { | |
| 124 int zeroInit; // !=0 if initialize with 0 fill | |
| 125 | |
| 126 StructDeclaration(Loc loc, Identifier *id); | |
| 127 Dsymbol *syntaxCopy(Dsymbol *s); | |
| 128 void semantic(Scope *sc); | |
| 129 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
| 130 char *mangle(); | |
| 131 char *kind(); | |
| 132 void toDocBuffer(OutBuffer *buf); | |
| 133 | |
| 134 PROT getAccess(Dsymbol *smember); // determine access to smember | |
| 135 | |
| 136 void toObjFile(); // compile to .obj file | |
| 137 void toDt(dt_t **pdt); | |
| 138 void toDebug(); // to symbolic debug info | |
| 139 | |
| 140 StructDeclaration *isStructDeclaration() { return this; } | |
| 141 }; | |
| 142 | |
| 143 struct UnionDeclaration : StructDeclaration | |
| 144 { | |
| 145 UnionDeclaration(Loc loc, Identifier *id); | |
| 146 Dsymbol *syntaxCopy(Dsymbol *s); | |
| 147 char *kind(); | |
| 148 | |
| 149 UnionDeclaration *isUnionDeclaration() { return this; } | |
| 150 }; | |
| 151 | |
| 152 struct BaseClass | |
| 153 { | |
| 154 Type *type; // (before semantic processing) | |
| 155 enum PROT protection; // protection for the base interface | |
| 156 | |
| 157 ClassDeclaration *base; | |
| 158 int offset; // 'this' pointer offset | |
| 159 Array vtbl; // for interfaces: Array of FuncDeclaration's | |
| 160 // making up the vtbl[] | |
| 161 | |
| 162 int baseInterfaces_dim; | |
| 163 BaseClass *baseInterfaces; // if BaseClass is an interface, these | |
| 164 // are a copy of the InterfaceDeclaration::interfaces | |
| 165 | |
| 166 BaseClass(); | |
| 167 BaseClass(Type *type, enum PROT protection); | |
| 168 | |
| 169 int fillVtbl(ClassDeclaration *cd, Array *vtbl, int newinstance); | |
| 170 void copyBaseInterfaces(BaseClasses *); | |
| 171 }; | |
| 172 | |
| 173 #define CLASSINFO_SIZE (0x3C+12) // value of ClassInfo.size | |
| 174 | |
| 175 struct ClassDeclaration : AggregateDeclaration | |
| 176 { | |
| 177 static ClassDeclaration *object; | |
| 178 static ClassDeclaration *classinfo; | |
| 179 | |
| 180 ClassDeclaration *baseClass; // NULL only if this is Object | |
| 181 CtorDeclaration *ctor; | |
| 182 CtorDeclaration *defaultCtor; // default constructor | |
| 183 FuncDeclarations dtors; // Array of destructors | |
| 184 FuncDeclaration *staticCtor; | |
| 185 FuncDeclaration *staticDtor; | |
| 186 Array vtbl; // Array of FuncDeclaration's making up the vtbl[] | |
| 187 Array vtblFinal; // More FuncDeclaration's that aren't in vtbl[] | |
| 188 | |
| 189 BaseClasses baseclasses; // Array of BaseClass's; first is super, | |
| 190 // rest are Interface's | |
| 191 | |
| 192 int interfaces_dim; | |
| 193 BaseClass **interfaces; // interfaces[interfaces_dim] for this class | |
| 194 // (does not include baseClass) | |
| 195 | |
| 196 BaseClasses *vtblInterfaces; // array of base interfaces that have | |
| 197 // their own vtbl[] | |
| 198 | |
| 199 ClassInfoDeclaration *vclassinfo; // the ClassInfo object for this ClassDeclaration | |
| 200 int com; // !=0 if this is a COM class | |
| 201 int isauto; // !=0 if this is an auto class | |
| 202 int isabstract; // !=0 if abstract class | |
| 203 | |
| 204 int isnested; // !=0 if is nested | |
| 205 VarDeclaration *vthis; // 'this' parameter if this class is nested | |
| 206 | |
| 207 ClassDeclaration(Loc loc, Identifier *id, BaseClasses *baseclasses); | |
| 208 Dsymbol *syntaxCopy(Dsymbol *s); | |
| 209 void semantic(Scope *sc); | |
| 210 void toCBuffer(OutBuffer *buf, HdrGenState *hgs); | |
| 211 int isBaseOf2(ClassDeclaration *cd); | |
| 212 | |
| 213 #define OFFSET_RUNTIME 0x76543210 | |
| 214 virtual int isBaseOf(ClassDeclaration *cd, int *poffset); | |
| 215 | |
| 216 Dsymbol *search(Loc, Identifier *ident, int flags); | |
| 217 FuncDeclaration *findFunc(Identifier *ident, TypeFunction *tf); | |
| 218 void interfaceSemantic(Scope *sc); | |
| 219 int isNested(); | |
| 220 int isCOMclass(); | |
|
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221 virtual int isCOMinterface(); |
| 1 | 222 int isAbstract(); |
| 223 virtual int vtblOffset(); | |
| 224 char *kind(); | |
| 225 char *mangle(); | |
| 226 void toDocBuffer(OutBuffer *buf); | |
| 227 | |
| 228 PROT getAccess(Dsymbol *smember); // determine access to smember | |
| 229 | |
| 230 void addLocalClass(ClassDeclarations *); | |
| 231 | |
| 232 // Back end | |
| 233 void toObjFile(); // compile to .obj file | |
| 234 void toDebug(); | |
| 235 unsigned baseVtblOffset(BaseClass *bc); | |
| 236 Symbol *toSymbol(); | |
| 237 Symbol *toVtblSymbol(); | |
| 238 void toDt(dt_t **pdt); | |
| 239 void toDt2(dt_t **pdt, ClassDeclaration *cd); | |
| 240 | |
| 241 Symbol *vtblsym; | |
| 242 | |
| 73 | 243 virtual size_t offsetToIndex(Type* t, unsigned os, std::vector<unsigned>& result); |
| 1 | 244 |
| 245 ClassDeclaration *isClassDeclaration() { return (ClassDeclaration *)this; } | |
| 246 }; | |
| 247 | |
| 248 struct InterfaceDeclaration : ClassDeclaration | |
| 249 { | |
| 250 InterfaceDeclaration(Loc loc, Identifier *id, BaseClasses *baseclasses); | |
| 251 Dsymbol *syntaxCopy(Dsymbol *s); | |
| 252 void semantic(Scope *sc); | |
| 253 int isBaseOf(ClassDeclaration *cd, int *poffset); | |
| 254 int isBaseOf(BaseClass *bc, int *poffset); | |
| 255 char *kind(); | |
| 256 int vtblOffset(); | |
|
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257 virtual int isCOMinterface(); |
| 1 | 258 |
| 259 void toObjFile(); // compile to .obj file | |
| 260 Symbol *toSymbol(); | |
| 261 | |
| 262 InterfaceDeclaration *isInterfaceDeclaration() { return this; } | |
| 263 }; | |
| 264 | |
| 265 #endif /* DMD_AGGREGATE_H */ |