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annotate ir/irstruct.h @ 142:a123dca8349b trunk

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[svn r146] fixed some potential problems with mismatch in order of interfaces in class data layout
author lindquist
date Wed, 23 Jan 2008 15:48:19 +0100
parents ffcc9a2f3d9d
children aca17e55b7a5
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1 #ifndef LLVMDC_IR_IRSTRUCT_H
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2 #define LLVMDC_IR_IRSTRUCT_H
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3
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4 #include "ir/ir.h"
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5
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6 #include <vector>
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7 #include <map>
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8
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9 struct IrInterface : IrBase
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10 {
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11 BaseClass* base;
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12 ClassDeclaration* decl;
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13
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14 const llvm::StructType* vtblTy;
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15 llvm::ConstantStruct* vtblInit;
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16 llvm::GlobalVariable* vtbl;
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17
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18 const llvm::StructType* infoTy;
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19 llvm::ConstantStruct* infoInit;
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20 llvm::Constant* info;
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21
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22 int index;
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23
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24 IrInterface(BaseClass* b, const llvm::StructType* vt);
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25 ~IrInterface();
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26 };
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27
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28 //////////////////////////////////////////////////////////////////////////////
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29 //////////////////////////////////////////////////////////////////////////////
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30 //////////////////////////////////////////////////////////////////////////////
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31
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32 // represents a struct or class
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33 struct IrStruct : IrBase
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34 {
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35 struct Offset
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36 {
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37 VarDeclaration* var;
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38 const llvm::Type* type;
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39 llvm::Constant* init;
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40
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41 Offset(VarDeclaration* v, const llvm::Type* ty)
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42 : var(v), type(ty), init(NULL) {}
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43 };
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44
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45 typedef std::multimap<unsigned, Offset> OffsetMap;
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46 typedef std::vector<VarDeclaration*> VarDeclVector;
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47 typedef std::map<ClassDeclaration*, IrInterface*> InterfaceMap;
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48 typedef InterfaceMap::iterator InterfaceMapIter;
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49 typedef std::vector<IrInterface*> InterfaceVector;
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50 typedef InterfaceVector::iterator InterfaceVectorIter;
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51
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52 public:
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53 IrStruct(Type*);
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54 virtual ~IrStruct();
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55
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56 Type* type;
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57 llvm::PATypeHolder recty;
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58 OffsetMap offsets;
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59 VarDeclVector defaultFields;
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60
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61 InterfaceMap interfaceMap;
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62 InterfaceVector interfaceVec;
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63 const llvm::ArrayType* interfaceInfosTy;
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64 llvm::GlobalVariable* interfaceInfos;
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65
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66 bool defined;
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67 bool constinited;
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68
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69 llvm::GlobalVariable* vtbl;
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70 llvm::ConstantStruct* constVtbl;
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71 llvm::GlobalVariable* init;
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72 llvm::Constant* constInit;
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73 llvm::GlobalVariable* classInfo;
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74 llvm::Constant* constClassInfo;
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75 bool hasUnions;
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76 DUnion* dunion;
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77 bool classDeclared;
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78 bool classDefined;
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79 };
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80
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81 #endif