* Fixed spelling of "sentinel"

* Removed trailing whitespace


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61907 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Misha Brukman 2009-01-08 02:21:23 +00:00
parent 5539a1ecda
commit e21a6bae80

View File

@ -1,10 +1,10 @@
//==-- llvm/ADT/ilist.h - Intrusive Linked List Template ---------*- C++ -*-==//
//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//
//===----------------------------------------------------------------------===//
//
// This file defines classes to implement an intrusive doubly linked list class
@ -101,7 +101,7 @@ struct ilist_traits<const Ty> : public ilist_traits<Ty> {};
template<typename NodeTy>
class ilist_iterator
: public bidirectional_iterator<NodeTy, ptrdiff_t> {
public:
typedef ilist_traits<NodeTy> Traits;
typedef bidirectional_iterator<NodeTy, ptrdiff_t> super;
@ -232,14 +232,14 @@ template<typename From> struct simplify_type;
template<typename NodeTy> struct simplify_type<ilist_iterator<NodeTy> > {
typedef NodeTy* SimpleType;
static SimpleType getSimplifiedValue(const ilist_iterator<NodeTy> &Node) {
return &*Node;
}
};
template<typename NodeTy> struct simplify_type<const ilist_iterator<NodeTy> > {
typedef NodeTy* SimpleType;
static SimpleType getSimplifiedValue(const ilist_iterator<NodeTy> &Node) {
return &*Node;
}
@ -257,16 +257,16 @@ template<typename NodeTy> struct simplify_type<const ilist_iterator<NodeTy> > {
/// 1. The list may be completely unconstructed. In this case, the head
/// pointer is null. When in this form, any query for an iterator (e.g.
/// begin() or end()) causes the list to transparently change to state #2.
/// 2. The list may be empty, but contain a sentinal for the end iterator. This
/// sentinal is created by the Traits::createSentinel method and is a link
/// 2. The list may be empty, but contain a sentinel for the end iterator. This
/// sentinel is created by the Traits::createSentinel method and is a link
/// in the list. When the list is empty, the pointer in the iplist points
/// to the sentinal. Once the sentinal is constructed, it
/// to the sentinel. Once the sentinel is constructed, it
/// is not destroyed until the list is.
/// 3. The list may contain actual objects in it, which are stored as a doubly
/// linked list of nodes. One invariant of the list is that the predecessor
/// of the first node in the list always points to the last node in the list,
/// and the successor pointer for the sentinal (which always stays at the
/// end of the list) is always null.
/// and the successor pointer for the sentinel (which always stays at the
/// end of the list) is always null.
///
template<typename NodeTy, typename Traits=ilist_traits<NodeTy> >
class iplist : public Traits {
@ -279,10 +279,10 @@ class iplist : public Traits {
NodeTy *getTail() { return this->getPrev(Head); }
const NodeTy *getTail() const { return this->getPrev(Head); }
void setTail(NodeTy *N) const { this->setPrev(Head, N); }
/// CreateLazySentinal - This method verifies whether the sentinal for the
/// CreateLazySentinel - This method verifies whether the sentinel for the
/// list has been created and lazily makes it if not.
void CreateLazySentinal() const {
void CreateLazySentinel() const {
if (Head != 0) return;
Head = Traits::createSentinel();
this->setNext(Head, 0);
@ -319,19 +319,19 @@ public:
// Iterator creation methods.
iterator begin() {
CreateLazySentinal();
return iterator(Head);
CreateLazySentinel();
return iterator(Head);
}
const_iterator begin() const {
CreateLazySentinal();
CreateLazySentinel();
return const_iterator(Head);
}
iterator end() {
CreateLazySentinal();
CreateLazySentinel();
return iterator(getTail());
}
const_iterator end() const {
CreateLazySentinal();
CreateLazySentinel();
return const_iterator(getTail());
}
@ -397,7 +397,7 @@ public:
this->setPrev(NextNode, PrevNode);
IT = NextNode;
removeNodeFromList(Node); // Notify traits that we removed a node...
// Set the next/prev pointers of the current node to null. This isn't
// strictly required, but this catches errors where a node is removed from
// an ilist (and potentially deleted) with iterators still pointing at it.
@ -461,7 +461,7 @@ private:
transferNodesFromList(L2, First, PosNext);
// Now that everything is set, restore the pointers to the list sentinals.
// Now that everything is set, restore the pointers to the list sentinels.
L2.setTail(L2Sentinel);
setTail(ThisSentinel);
}
@ -474,7 +474,7 @@ public:
//
size_type size() const {
if (Head == 0) return 0; // Don't require construction of sentinal if empty.
if (Head == 0) return 0; // Don't require construction of sentinel if empty.
#if __GNUC__ == 2
// GCC 2.95 has a broken std::distance
size_type Result = 0;
@ -592,7 +592,7 @@ struct ilist : public iplist<NodeTy> {
}
explicit ilist(size_type count) {
insert(this->begin(), count, NodeTy());
}
}
ilist(size_type count, const NodeTy &val) {
insert(this->begin(), count, val);
}
@ -607,7 +607,7 @@ struct ilist : public iplist<NodeTy> {
iterator insert(iterator a, NodeTy *b){ return iplist<NodeTy>::insert(a, b); }
void push_front(NodeTy *a) { iplist<NodeTy>::push_front(a); }
void push_back(NodeTy *a) { iplist<NodeTy>::push_back(a); }
// Main implementation here - Insert for a node passed by value...
iterator insert(iterator where, const NodeTy &val) {