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//===-- llvm/SymbolTableListTraitsImpl.h - Implementation ------*- C++ -*--===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// 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 (typename 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->getSymbolTable();
for (typename 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->getSymbolTable().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 transferring instructions between BBs
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 transferring 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->getSymbolTable().insert(&V);
}
} else {
// Just transferring between blocks in the same function, simply update the
// parent fields in the instructions...
for (; first != last; ++first)
first->setParent(NewIP);
}
}
#endif
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