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//===-- 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, class SymTabType>
void ValueHolder<ValueSubclass,ItemParentType,SymTabType>
::setParent(SymTabType *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, class SymTabType>
void ValueHolder<ValueSubclass,ItemParentType,SymTabType>
::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, class SymTabType>
ValueSubclass *ValueHolder<ValueSubclass,ItemParentType,SymTabType>
::remove(iterator &DI) {
assert(DI != ValueList.end() &&
"Trying to remove the end of the value 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, class SymTabType>
ValueSubclass *ValueHolder<ValueSubclass,ItemParentType,SymTabType>
::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, class SymTabType>
ValueSubclass *ValueHolder<ValueSubclass,ItemParentType,SymTabType>
::remove(const iterator &DI) {
assert(DI != ValueList.end() &&
"Trying to remove the end of the value holder 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, class SymTabType>
ValueSubclass *ValueHolder<ValueSubclass,ItemParentType,SymTabType>
::replaceWith(iterator &DI, ValueSubclass *NewVal) {
assert(DI != ValueList.end() &&
"Trying to replace the end of the value holder list!!!");
// Remove the value from the current container...
ValueSubclass *Ret = *DI;
Ret->setParent(0); // I don't own you anymore... byebye...
// You don't get to be in the symbol table anymore... byebye
if (Ret->hasName() && Parent)
Parent->getSymbolTable()->remove(Ret);
// Insert the new value into the container...
assert(NewVal->getParent() == 0 && "Value already has parent!");
NewVal->setParent(ItemParent);
*DI = NewVal;
if (NewVal->hasName() && Parent)
Parent->getSymbolTableSure()->insert(NewVal);
return Ret;
}
template<class ValueSubclass, class ItemParentType, class SymTabType>
void ValueHolder<ValueSubclass,ItemParentType,SymTabType>
::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, class SymTabType>
void ValueHolder<ValueSubclass,ItemParentType,SymTabType>
::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, class SymTabType>
ValueHolder<ValueSubclass,ItemParentType,SymTabType>::iterator
ValueHolder<ValueSubclass,ItemParentType,SymTabType>
::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;
}
// ValueHolder::insert - This method inserts the specified _range_ of values
// before the 'Pos' iterator, and returns an iterator to the first newly
// inserted element. This currently only works for vector iterators...
//
// FIXME: This is not generic so that the code does not have to be around
// to be used... is this ok?
//
template<class ValueSubclass, class ItemParentType, class SymTabType>
void ValueHolder<ValueSubclass,ItemParentType,SymTabType>
::insert(iterator Pos, // Where to insert
iterator First, iterator Last) { // Vector to read insts from
// Check to make sure that the values are not already in some valueholder...
for (iterator X = First; X != Last; ++X) {
assert((*X)->getParent() == 0 &&
"Cannot insert into valueholder, value already has a parent!");
(*X)->setParent(ItemParent);
}
// Add all of the values to the value holder...
ValueList.insert(Pos, First, Last);
// Insert all of the instructions in the symbol table...
if (Parent)
for (;First != Last; ++First)
if ((*First)->hasName())
Parent->getSymbolTableSure()->insert(*First);
}
#endif
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