Mercurial > projects > ldc
view dmd/aggregate.h @ 314:8d98e42ece93 trunk
[svn r335] The basics of exception handling are in place.
Still need to make sure calls are turned into invokes everywhere. (NewExpression for instance)
Still some rough edges and corner cases to figure out.
Needs testing!
author | ChristianK |
---|---|
date | Wed, 02 Jul 2008 22:20:18 +0200 |
parents | 5acec6b2eef8 |
children | aaade6ded589 |
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// Compiler implementation of the D programming language // Copyright (c) 1999-2008 by Digital Mars // All Rights Reserved // written by Walter Bright // http://www.digitalmars.com // License for redistribution is by either the Artistic License // in artistic.txt, or the GNU General Public License in gnu.txt. // See the included readme.txt for details. #ifndef DMD_AGGREGATE_H #define DMD_AGGREGATE_H #ifdef __DMC__ #pragma once #endif /* __DMC__ */ #include "root.h" #include "dsymbol.h" #include <vector> #include <set> #include <map> struct Identifier; struct Type; struct TypeFunction; struct Expression; struct FuncDeclaration; struct CtorDeclaration; struct DtorDeclaration; struct InvariantDeclaration; struct NewDeclaration; struct DeleteDeclaration; struct InterfaceDeclaration; struct ClassInfoDeclaration; struct VarDeclaration; struct dt_t; namespace llvm { class Type; class Value; class Constant; class ConstantStruct; class GlobalVariable; } struct DUnion; struct AggregateDeclaration : ScopeDsymbol { Type *type; unsigned storage_class; enum PROT protection; Type *handle; // 'this' type unsigned structsize; // size of struct unsigned alignsize; // size of struct for alignment purposes unsigned structalign; // struct member alignment in effect int hasUnions; // set if aggregate has overlapping fields Array fields; // VarDeclaration fields unsigned sizeok; // set when structsize contains valid data // 0: no size // 1: size is correct // 2: cannot determine size; fwd referenced int isdeprecated; // !=0 if deprecated Scope *scope; // !=NULL means context to use FuncDeclarations dtors; // Array of destructors FuncDeclaration *dtor; // aggregate destructor // Special member functions InvariantDeclaration *inv; // invariant NewDeclaration *aggNew; // allocator DeleteDeclaration *aggDelete; // deallocator #ifdef IN_GCC Array methods; // flat list of all methods for debug information #endif AggregateDeclaration(Loc loc, Identifier *id); void semantic2(Scope *sc); void semantic3(Scope *sc); void inlineScan(); unsigned size(Loc loc); static void alignmember(unsigned salign, unsigned size, unsigned *poffset); Type *getType(); void addField(Scope *sc, VarDeclaration *v); int isDeprecated(); // is aggregate deprecated? FuncDeclaration *buildDtor(Scope *sc); void emitComment(Scope *sc); void toDocBuffer(OutBuffer *buf); // For access checking virtual PROT getAccess(Dsymbol *smember); // determine access to smember int isFriendOf(AggregateDeclaration *cd); int hasPrivateAccess(Dsymbol *smember); // does smember have private access to members of this class? void accessCheck(Loc loc, Scope *sc, Dsymbol *smember); enum PROT prot(); // Back end Symbol *stag; // tag symbol for debug data Symbol *sinit; Symbol *toInitializer(); AggregateDeclaration *isAggregateDeclaration() { return this; } }; struct AnonymousAggregateDeclaration : AggregateDeclaration { AnonymousAggregateDeclaration() : AggregateDeclaration(0, NULL) { } AnonymousAggregateDeclaration *isAnonymousAggregateDeclaration() { return this; } }; struct StructDeclaration : AggregateDeclaration { int zeroInit; // !=0 if initialize with 0 fill StructDeclaration(Loc loc, Identifier *id); Dsymbol *syntaxCopy(Dsymbol *s); void semantic(Scope *sc); void toCBuffer(OutBuffer *buf, HdrGenState *hgs); char *mangle(); char *kind(); Expression *cloneMembers(); void toDocBuffer(OutBuffer *buf); PROT getAccess(Dsymbol *smember); // determine access to smember void toObjFile(); // compile to .obj file void toDt(dt_t **pdt); void toDebug(); // to symbolic debug info StructDeclaration *isStructDeclaration() { return this; } }; struct UnionDeclaration : StructDeclaration { UnionDeclaration(Loc loc, Identifier *id); Dsymbol *syntaxCopy(Dsymbol *s); char *kind(); UnionDeclaration *isUnionDeclaration() { return this; } }; struct BaseClass { Type *type; // (before semantic processing) enum PROT protection; // protection for the base interface ClassDeclaration *base; int offset; // 'this' pointer offset Array vtbl; // for interfaces: Array of FuncDeclaration's // making up the vtbl[] int baseInterfaces_dim; BaseClass *baseInterfaces; // if BaseClass is an interface, these // are a copy of the InterfaceDeclaration::interfaces BaseClass(); BaseClass(Type *type, enum PROT protection); int fillVtbl(ClassDeclaration *cd, Array *vtbl, int newinstance); void copyBaseInterfaces(BaseClasses *); }; #if V2 #define CLASSINFO_SIZE (0x3C+16) // value of ClassInfo.size #else #define CLASSINFO_SIZE (0x3C+12) // value of ClassInfo.size #endif struct ClassDeclaration : AggregateDeclaration { static ClassDeclaration *object; static ClassDeclaration *classinfo; ClassDeclaration *baseClass; // NULL only if this is Object CtorDeclaration *ctor; CtorDeclaration *defaultCtor; // default constructor FuncDeclaration *staticCtor; FuncDeclaration *staticDtor; Array vtbl; // Array of FuncDeclaration's making up the vtbl[] Array vtblFinal; // More FuncDeclaration's that aren't in vtbl[] BaseClasses baseclasses; // Array of BaseClass's; first is super, // rest are Interface's int interfaces_dim; BaseClass **interfaces; // interfaces[interfaces_dim] for this class // (does not include baseClass) BaseClasses *vtblInterfaces; // array of base interfaces that have // their own vtbl[] ClassInfoDeclaration *vclassinfo; // the ClassInfo object for this ClassDeclaration int com; // !=0 if this is a COM class (meaning // it derives from IUnknown) int isauto; // !=0 if this is an auto class int isabstract; // !=0 if abstract class int isnested; // !=0 if is nested VarDeclaration *vthis; // 'this' parameter if this class is nested int inuse; // to prevent recursive attempts ClassDeclaration(Loc loc, Identifier *id, BaseClasses *baseclasses); Dsymbol *syntaxCopy(Dsymbol *s); void semantic(Scope *sc); void toCBuffer(OutBuffer *buf, HdrGenState *hgs); int isBaseOf2(ClassDeclaration *cd); #define OFFSET_RUNTIME 0x76543210 virtual int isBaseOf(ClassDeclaration *cd, int *poffset); Dsymbol *search(Loc, Identifier *ident, int flags); #if V2 int isFuncHidden(FuncDeclaration *fd); #endif FuncDeclaration *findFunc(Identifier *ident, TypeFunction *tf); void interfaceSemantic(Scope *sc); int isNested(); int isCOMclass(); virtual int isCOMinterface(); #if V2 virtual int isCPPinterface(); #endif int isAbstract(); virtual int vtblOffset(); char *kind(); char *mangle(); void toDocBuffer(OutBuffer *buf); PROT getAccess(Dsymbol *smember); // determine access to smember void addLocalClass(ClassDeclarations *); // Back end void toObjFile(); // compile to .obj file void toDebug(); unsigned baseVtblOffset(BaseClass *bc); Symbol *toSymbol(); Symbol *toVtblSymbol(); void toDt(dt_t **pdt); void toDt2(dt_t **pdt, ClassDeclaration *cd); Symbol *vtblsym; // llvm void offsetToIndex(Type* t, unsigned os, std::vector<unsigned>& result); ClassDeclaration *isClassDeclaration() { return (ClassDeclaration *)this; } }; struct InterfaceDeclaration : ClassDeclaration { #if V2 int cpp; // !=0 if this is a C++ interface #endif InterfaceDeclaration(Loc loc, Identifier *id, BaseClasses *baseclasses); Dsymbol *syntaxCopy(Dsymbol *s); void semantic(Scope *sc); int isBaseOf(ClassDeclaration *cd, int *poffset); int isBaseOf(BaseClass *bc, int *poffset); char *kind(); int vtblOffset(); #if V2 int isCPPinterface(); #endif virtual int isCOMinterface(); void toObjFile(); // compile to .obj file Symbol *toSymbol(); InterfaceDeclaration *isInterfaceDeclaration() { return this; } }; #endif /* DMD_AGGREGATE_H */