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annotate gen/rttibuilder.h @ 1384:68a0e361fdce

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Increased RTTIBuilder buffer to 14 constants, to be big enough for !ClassInfo as well as !TypeInfo
author Tomas Lindquist Olsen <tomas.l.olsen gmail com>
date Sun, 17 May 2009 16:29:49 +0200
parents f15a2d131ceb
children 1609490c123f
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e630ff79e10d Cleaned up TypeInfo generation, still need to do TypeInfo_Struct/Tuple. Eventually do ClassInfo and ModuleInfo as well using same interface.
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1 #ifndef __LDC_GEN_RTTIBUILDER_H__
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2 #define __LDC_GEN_RTTIBUILDER_H__
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3
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4 #include "llvm/Constant.h"
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5 #include "llvm/ADT/SmallVector.h"
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6
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7 struct ClassDeclaration;
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8 struct TypeClass;
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9 struct Type;
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11 struct IrStruct;
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13 struct RTTIBuilder
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14 {
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15 ClassDeclaration* base;
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16 TypeClass* basetype;
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17 IrStruct* baseir;
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19 // 10 is enough for any D1 typeinfo
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20 llvm::SmallVector<llvm::Constant*, 14> inits;
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21
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22 RTTIBuilder(ClassDeclaration* base_class);
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24 void push(llvm::Constant* C);
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25 void push_null(Type* T);
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26 void push_null_vp();
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27 void push_null_void_array();
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28 void push_uint(unsigned u);
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29 void push_size(uint64_t s);
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30 void push_string(const char* str);
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31 void push_typeinfo(Type* t);
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32 void push_classinfo(ClassDeclaration* cd);
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34 /// pushes the function pointer or a null void* if it cannot.
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35 void push_funcptr(FuncDeclaration* fd, Type* castto = NULL);
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37 /// pushes the array slice given.
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38 void push_array(uint64_t dim, llvm::Constant * ptr);
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40 /// pushes void[] slice, dim is used directly, ptr is cast to void* .
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41 void push_void_array(uint64_t dim, llvm::Constant* ptr);
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43 /// pushes void[] slice with data.
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44 /// CI is the constant initializer the array should point to, the length
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45 /// and ptr are resolved automatically
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46 void push_void_array(llvm::Constant* CI, Type* valtype, Dsymbol* mangle_sym);
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48 /// pushes valtype[] slice with data.
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49 /// CI is the constant initializer that .ptr should point to
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50 /// dim is .length member directly
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51 /// valtype provides the D element type, .ptr is cast to valtype->pointerTo()
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52 /// mangle_sym provides the mangle prefix for the symbol generated.
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53 void push_array(llvm::Constant* CI, uint64_t dim, Type* valtype, Dsymbol* mangle_sym);
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54
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55 /// Creates the initializer constant and assigns it to the global.
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56 void finalize(IrGlobal* tid);
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58 /// Creates the initializer constant and assigns it to the global.
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59 llvm::Constant* get_constant();
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60 };
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62 #endif