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annotate gen/structs.h @ 344:e20ce6d8d374 trunk

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[svn r365] Implemented raw struct equality comparison, uses C memcmp. Renamed DtoDelegateCompare to DtoDelegateEquals, for consistency with the other equality helpers.
author lindquist
date Sun, 13 Jul 2008 04:11:08 +0200
parents a95056b3c996
children 74101be2a553
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1 #ifndef LLVMD_GEN_STRUCTS_H
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2 #define LLVMD_GEN_STRUCTS_H
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3
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4 struct StructInitializer;
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5
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6 LLConstant* DtoConstStructInitializer(StructInitializer* si);
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7
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8 /**
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9 * Resolves the llvm type for a struct
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10 */
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11 void DtoResolveStruct(StructDeclaration* sd);
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12
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13 /**
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14 * Provides the llvm declaration for a struct
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15 */
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16 void DtoDeclareStruct(StructDeclaration* sd);
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17
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18 /**
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19 * Constructs the constant default initializer a struct
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20 */
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21 void DtoConstInitStruct(StructDeclaration* sd);
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22
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23 /**
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24 * Provides the llvm definition for a struct
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25 */
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26 void DtoDefineStruct(StructDeclaration* sd);
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27
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28 /**
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29 * Returns a boolean=true if the two structs are equal
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30 */
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31 LLValue* DtoStructEquals(TOK op, DValue* lhs, DValue* rhs);
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32
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33 typedef LLSmallVector<unsigned, 3> DStructIndexVector;
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34 LLValue* DtoIndexStruct(LLValue* ptr, StructDeclaration* sd, Type* t, unsigned os, DStructIndexVector& idxs);
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35
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36 struct DUnionField
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37 {
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38 unsigned offset;
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39 size_t size;
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40 std::vector<const LLType*> types;
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41 LLConstant* init;
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42 size_t initsize;
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43
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44 DUnionField() {
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45 offset = 0;
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46 size = 0;
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47 init = NULL;
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48 initsize = 0;
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49 }
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50 };
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51
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52 struct DUnionIdx
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53 {
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54 unsigned idx,idxos;
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55 LLConstant* c;
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56
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57 DUnionIdx()
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58 : idx(0), c(0) {}
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59 DUnionIdx(unsigned _idx, unsigned _idxos, LLConstant* _c)
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60 : idx(_idx), idxos(_idxos), c(_c) {}
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61 bool operator<(const DUnionIdx& i) const {
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62 return (idx < i.idx) || (idx == i.idx && idxos < i.idxos);
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63 }
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64 };
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65
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66 class DUnion
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67 {
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68 std::vector<DUnionField> fields;
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69 public:
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70 DUnion();
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71 LLConstant* getConst(std::vector<DUnionIdx>& in);
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72 };
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74 #endif