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annotate gen/structs.h @ 100:5071469303d4 trunk

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[svn r104] TONS OF FIXES. Split up declaration, constant initializer gen and definition for globals, structs, classes and functions. Improved ClassInfo support (not complete), not in vtable yet. Fixed a bunch of forward reference problems. Much more. Major commit! :)
author lindquist
date Fri, 16 Nov 2007 08:21:47 +0100
parents 058d3925950e
children 027b8d8b71ec
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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 const llvm::Type* DtoStructType(Type* t);
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8 llvm::Value* DtoStructZeroInit(llvm::Value* v);
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9 llvm::Value* DtoStructCopy(llvm::Value* dst, llvm::Value* src);
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10
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11 llvm::Constant* DtoConstStructInitializer(StructInitializer* si);
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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 llvm::Value* DtoIndexStruct(llvm::Value* ptr, StructDeclaration* sd, Type* t, unsigned os, std::vector<unsigned>& idxs);
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29
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30 struct DUnionField
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31 {
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32 unsigned offset;
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33 size_t size;
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34 std::vector<const llvm::Type*> types;
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35 llvm::Constant* init;
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36 size_t initsize;
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37
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38 DUnionField() {
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39 offset = 0;
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40 size = 0;
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41 init = NULL;
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42 initsize = 0;
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43 }
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44 };
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45
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46 struct DUnionIdx
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47 {
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48 unsigned idx,idxos;
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49 llvm::Constant* c;
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50
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51 DUnionIdx()
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52 : idx(0), c(0) {}
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53 DUnionIdx(unsigned _idx, unsigned _idxos, llvm::Constant* _c)
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54 : idx(_idx), idxos(_idxos), c(_c) {}
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55 bool operator<(const DUnionIdx& i) const {
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56 return (idx < i.idx) || (idx == i.idx && idxos < i.idxos);
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57 }
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58 };
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60 class DUnion
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61 {
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62 std::vector<DUnionField> fields;
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63 public:
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64 DUnion();
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65 llvm::Constant* getConst(std::vector<DUnionIdx>& in);
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66 };
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67
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68 #endif