SymbolTableListTraits.h [plain text]
#ifndef LLVM_IR_SYMBOLTABLELISTTRAITS_H
#define LLVM_IR_SYMBOLTABLELISTTRAITS_H
#include "llvm/ADT/ilist.h"
namespace llvm {
class ValueSymbolTable;
template<typename NodeTy> class ilist_iterator;
template<typename NodeTy, typename Traits> class iplist;
template<typename Ty> struct ilist_traits;
template<typename ValueSubClass, typename ItemParentClass>
class SymbolTableListTraits : public ilist_default_traits<ValueSubClass> {
typedef ilist_traits<ValueSubClass> TraitsClass;
public:
SymbolTableListTraits() {}
ItemParentClass *getListOwner() {
size_t Offset(size_t(&((ItemParentClass*)nullptr->*ItemParentClass::
getSublistAccess(static_cast<ValueSubClass*>(nullptr)))));
iplist<ValueSubClass>* Anchor(static_cast<iplist<ValueSubClass>*>(this));
return reinterpret_cast<ItemParentClass*>(reinterpret_cast<char*>(Anchor)-
Offset);
}
static iplist<ValueSubClass> &getList(ItemParentClass *Par) {
return Par->*(Par->getSublistAccess((ValueSubClass*)nullptr));
}
static ValueSymbolTable *getSymTab(ItemParentClass *Par) {
return Par ? toPtr(Par->getValueSymbolTable()) : nullptr;
}
void addNodeToList(ValueSubClass *V);
void removeNodeFromList(ValueSubClass *V);
void transferNodesFromList(ilist_traits<ValueSubClass> &L2,
ilist_iterator<ValueSubClass> first,
ilist_iterator<ValueSubClass> last);
template<typename TPtr>
void setSymTabObject(TPtr *, TPtr);
static ValueSymbolTable *toPtr(ValueSymbolTable *P) { return P; }
static ValueSymbolTable *toPtr(ValueSymbolTable &R) { return &R; }
};
}
#endif