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annotate ir/irtypeclass.h @ 1638:0de4525a9ed6

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Apply workaround for #395 by klickverbot.
author Christian Kamm <kamm incasoftware de>
date Mon, 08 Mar 2010 20:06:08 +0100
parents 465a77c904d4
children
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1 #ifndef __LDC_IR_IRTYPECLASS_H__
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2 #define __LDC_IR_IRTYPECLASS_H__
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3
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4 #include "ir/irtypestruct.h"
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5
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6 ///
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7 class IrTypeClass : public IrTypeAggr
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8 {
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9 public:
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10 ///
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11 IrTypeClass(ClassDeclaration* cd);
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12
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13 ///
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14 virtual IrTypeClass* isClass() { return this; }
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15
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16 ///
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17 const llvm::Type* buildType();
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18
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19 ///
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20 const llvm::Type* get();
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21
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22 /// Returns the vtable type for this class.
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23 const llvm::Type* getVtbl() { return vtbl_pa.get(); }
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24
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25 /// Get index to interface implementation.
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26 /// Returns the index of a specific interface implementation in this
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27 /// class or ~0 if not found.
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28 size_t getInterfaceIndex(ClassDeclaration* inter);
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29
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30 /// Returns the total number of pointers in the vtable.
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31 unsigned getVtblSize() { return vtbl_size; }
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32
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33 /// Returns the number of interface implementations (vtables) in this
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34 /// class.
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35 unsigned getNumInterfaceVtbls() { return num_interface_vtbls; }
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36
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37 protected:
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38 ///
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39 ClassDeclaration* cd;
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40 ///
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41 TypeClass* tc;
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42
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43 /// Type holder for the vtable type.
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44 llvm::PATypeHolder vtbl_pa;
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45
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46 /// Number of pointers in vtable.
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47 unsigned vtbl_size;
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48
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49 /// Number of interface implementations (vtables) in this class.
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50 unsigned num_interface_vtbls;
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51
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52 /// std::map type mapping ClassDeclaration* to size_t.
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53 typedef std::map<ClassDeclaration*, size_t> ClassIndexMap;
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54
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55 /// Map for mapping the index of a specific interface implementation
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56 /// in this class to its ClassDeclaration.
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57 ClassIndexMap interfaceMap;
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58
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59 //////////////////////////////////////////////////////////////////////////
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60
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61 /// Builds a vtable type given the type of the first entry and an array
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62 /// of all entries.
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63 const llvm::Type* buildVtblType(Type* first, Array* vtbl_array);
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64
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65 ///
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66 void addBaseClassData(
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67 std::vector<const llvm::Type*>& defaultTypes,
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68 ClassDeclaration* base,
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69 size_t& offset,
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70 size_t& field_index);
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72 /// Adds the interface and all it's base interface to the interface
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73 /// to index map.
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74 void addInterfaceToMap(ClassDeclaration* inter, size_t index);
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75 };
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77 #endif