llvm/lib/VMCore/SymbolTableListTraitsImpl.h
Chris Lattner 7e70829632 MEGAPATCH checkin.
For details, See: docs/2002-06-25-MegaPatchInfo.txt


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2779 91177308-0d34-0410-b5e6-96231b3b80d8
2002-06-25 16:13:24 +00:00

89 lines
3.3 KiB
C++

//===-- llvm/SymbolTableListTraitsImpl.h - Implementation ------*- C++ -*--===//
//
// This file implements the stickier parts of the SymbolTableListTraits class,
// and is explicitly instantiated where needed to avoid defining all this code
// in a widely used header.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_SYMBOLTABLELISTTRAITS_IMPL_H
#define LLVM_SYMBOLTABLELISTTRAITS_IMPL_H
#include "llvm/SymbolTableListTraits.h"
#include "llvm/SymbolTable.h"
template<typename ValueSubClass, typename ItemParentClass,typename SymTabClass,
typename SubClass>
void SymbolTableListTraits<ValueSubClass,ItemParentClass,SymTabClass,SubClass>
::setParent(SymTabClass *STO) {
iplist<ValueSubClass> &List = SubClass::getList(ItemParent);
// Remove all of the items from the old symtab..
if (SymTabObject && !List.empty()) {
SymbolTable *SymTab = SymTabObject->getSymbolTable();
for (iplist<ValueSubClass>::iterator I = List.begin(); I != List.end(); ++I)
if (I->hasName()) SymTab->remove(I);
}
SymTabObject = STO;
// Add all of the items to the new symtab...
if (SymTabObject && !List.empty()) {
SymbolTable *SymTab = SymTabObject->getSymbolTableSure();
for (iplist<ValueSubClass>::iterator I = List.begin(); I != List.end(); ++I)
if (I->hasName()) SymTab->insert(I);
}
}
template<typename ValueSubClass, typename ItemParentClass, typename SymTabClass,
typename SubClass>
void SymbolTableListTraits<ValueSubClass,ItemParentClass,SymTabClass,SubClass>
::addNodeToList(ValueSubClass *V) {
assert(V->getParent() == 0 && "Value already in a container!!");
V->setParent(ItemParent);
if (V->hasName() && SymTabObject)
SymTabObject->getSymbolTableSure()->insert(V);
}
template<typename ValueSubClass, typename ItemParentClass, typename SymTabClass,
typename SubClass>
void SymbolTableListTraits<ValueSubClass,ItemParentClass,SymTabClass,SubClass>
::removeNodeFromList(ValueSubClass *V) {
V->setParent(0);
if (V->hasName() && SymTabObject)
SymTabObject->getSymbolTable()->remove(V);
}
template<typename ValueSubClass, typename ItemParentClass, typename SymTabClass,
typename SubClass>
void SymbolTableListTraits<ValueSubClass,ItemParentClass,SymTabClass,SubClass>
::transferNodesFromList(iplist<ValueSubClass, ilist_traits<ValueSubClass> > &L2,
ilist_iterator<ValueSubClass> first,
ilist_iterator<ValueSubClass> last) {
// We only have to do work here if transfering instructions between BB's
ItemParentClass *NewIP = ItemParent, *OldIP = L2.ItemParent;
if (NewIP == OldIP) return; // No work to do at all...
// We only have to update symbol table entries if we are transfering the
// instructions to a different symtab object...
SymTabClass *NewSTO = SymTabObject, *OldSTO = L2.SymTabObject;
if (NewSTO != OldSTO) {
for (; first != last; ++first) {
ValueSubClass &V = *first;
bool HasName = V.hasName();
if (OldSTO && HasName)
OldSTO->getSymbolTable()->remove(&V);
V.setParent(NewIP);
if (NewSTO && HasName)
NewSTO->getSymbolTableSure()->insert(&V);
}
} else {
// Just transfering between blocks in the same function, simply update the
// parent fields in the instructions...
for (; first != last; ++first)
first->setParent(NewIP);
}
}
#endif