llvm/lib/VMCore/ValueHolderImpl.h
Chris Lattner a7e26118a2 Add a new pop_back() method
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111 91177308-0d34-0410-b5e6-96231b3b80d8
2001-06-30 04:35:21 +00:00

136 lines
4.3 KiB
C++

//===-- llvm/ValueHolderImpl.h - Implement ValueHolder template --*- C++ -*--=//
//
// This file implements the ValueHolder class. This is kept out of line because
// it tends to pull in a lot of dependencies on other headers and most files
// don't need all that crud.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_VALUEHOLDER_IMPL_H
#define LLVM_VALUEHOLDER_IMPL_H
#include "llvm/ValueHolder.h"
#include "llvm/SymbolTable.h"
#include <algorithm>
template<class ValueSubclass, class ItemParentType>
void ValueHolder<ValueSubclass,ItemParentType>::setParent(SymTabValue *P) {
if (Parent) { // Remove all of the items from the old symbol table..
SymbolTable *SymTab = Parent->getSymbolTable();
for (iterator I = begin(); I != end(); ++I)
if ((*I)->hasName()) SymTab->remove(*I);
}
Parent = P;
if (Parent) { // Remove all of the items from the old symbol table..
SymbolTable *SymTab = Parent->getSymbolTableSure();
for (iterator I = begin(); I != end(); ++I)
if ((*I)->hasName()) SymTab->insert(*I);
}
}
template<class ValueSubclass, class ItemParentType>
void ValueHolder<ValueSubclass,ItemParentType>::remove(ValueSubclass *D) {
iterator I(find(begin(), end(), D));
assert(I != end() && "Value not in ValueHolder!!");
remove(I);
}
// ValueHolder::remove(iterator &) this removes the element at the location
// specified by the iterator, and leaves the iterator pointing to the element
// that used to follow the element deleted.
//
template<class ValueSubclass, class ItemParentType>
ValueSubclass *ValueHolder<ValueSubclass,ItemParentType>::remove(iterator &DI) {
assert(DI != ValueList.end() &&
"Trying to remove the end of the def list!!!");
ValueSubclass *i = *DI;
DI = ValueList.erase(DI);
i->setParent(0); // I don't own you anymore... byebye...
// You don't get to be in the symbol table anymore... byebye
if (i->hasName() && Parent)
Parent->getSymbolTable()->remove(i);
return i;
}
template<class ValueSubclass, class ItemParentType>
ValueSubclass *ValueHolder<ValueSubclass,ItemParentType>::pop_back() {
assert(!ValueList.empty() && "Can't pop_back an empty valuelist!");
ValueSubclass *i = ValueList.back();
ValueList.pop_back();
i->setParent(0); // I don't own you anymore... byebye...
// You don't get to be in the symbol table anymore... byebye
if (i->hasName() && Parent)
Parent->getSymbolTable()->remove(i);
return i;
}
template<class ValueSubclass, class ItemParentType>
ValueSubclass *ValueHolder<ValueSubclass,ItemParentType>
::remove(const iterator &DI) {
assert(DI != ValueList.end() &&
"Trying to remove the end of the def list!!!");
ValueSubclass *i = *DI;
ValueList.erase(DI);
i->setParent(0); // I don't own you anymore... byebye...
// You don't get to be in the symbol table anymore... byebye
if (i->hasName() && Parent)
Parent->getSymbolTable()->remove(i);
return i;
}
template<class ValueSubclass, class ItemParentType>
void ValueHolder<ValueSubclass,ItemParentType>::push_front(ValueSubclass *Inst) {
assert(Inst->getParent() == 0 && "Value already has parent!");
Inst->setParent(ItemParent);
//ValueList.push_front(Inst);
ValueList.insert(ValueList.begin(), Inst);
if (Inst->hasName() && Parent)
Parent->getSymbolTableSure()->insert(Inst);
}
template<class ValueSubclass, class ItemParentType>
void ValueHolder<ValueSubclass,ItemParentType>::push_back(ValueSubclass *Inst) {
assert(Inst->getParent() == 0 && "Value already has parent!");
Inst->setParent(ItemParent);
ValueList.push_back(Inst);
if (Inst->hasName() && Parent)
Parent->getSymbolTableSure()->insert(Inst);
}
// ValueHolder::insert - This method inserts the specified value *BEFORE* the
// indicated iterator position, and returns an interator to the newly inserted
// value.
//
template<class ValueSubclass, class ItemParentType>
ValueHolder<ValueSubclass,ItemParentType>::iterator
ValueHolder<ValueSubclass,ItemParentType>::insert(iterator Pos,
ValueSubclass *Inst){
assert(Inst->getParent() == 0 && "Value already has parent!");
Inst->setParent(ItemParent);
iterator I = ValueList.insert(Pos, Inst);
if (Inst->hasName() && Parent)
Parent->getSymbolTableSure()->insert(Inst);
return I;
}
#endif