Optimize trivial regexp disjunctions

src/list-inl.h

 // Copyright 2006-2009 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_LIST_INL_H_
 #define V8_LIST_INL_H_
 
 #include "src/list.h"
 
 #include "src/base/macros.h"
@@ skipping 177 matching lines @@
   int result = 0;
   for (int i = start; i <= end; i++) {
     if (data_[i] == elm) ++result;
   }
   return result;
 }
 
 
 template<typename T, class P>
 void List<T, P>::Sort(int (*cmp)(const T* x, const T* y)) {
-  ToVector().Sort(cmp);
+  Sort(cmp, 0, length_);
+}
+
+
+template <typename T, class P>
+void List<T, P>::Sort(int (*cmp)(const T* x, const T* y), size_t s, size_t l) {
+  ToVector().Sort(cmp, s, l);
 #ifdef DEBUG
-  for (int i = 1; i < length_; i++)
-    DCHECK(cmp(&data_[i - 1], &data_[i]) <= 0);
+  for (size_t i = s + 1; i < l; i++) DCHECK(cmp(&data_[i - 1], &data_[i]) <= 0);
 #endif
 }
 
 
 template<typename T, class P>
 void List<T, P>::Sort() {
   ToVector().Sort();
 }
 
 
-template<typename T, class P>
+template <typename T, class P>
+void List<T, P>::StableSort(int (*cmp)(const T* x, const T* y)) {
+  StableSort(cmp, 0, length_);
+}
+
+
+template <typename T, class P>
+void List<T, P>::StableSort(int (*cmp)(const T* x, const T* y), size_t s,
+                            size_t l) {
+  ToVector().StableSort(cmp, s, l);
+#ifdef DEBUG
+  for (size_t i = s + 1; i < l; i++) DCHECK(cmp(&data_[i - 1], &data_[i]) <= 0);
+#endif
+}
+
+
+template <typename T, class P>
+void List<T, P>::StableSort() {
+  ToVector().StableSort();
+}
+
+
+template <typename T, class P>
 void List<T, P>::Initialize(int capacity, P allocator) {
   DCHECK(capacity >= 0);
   data_ = (capacity > 0) ? NewData(capacity, allocator) : NULL;
   capacity_ = capacity;
   length_ = 0;
 }
 
 
 template <typename T, typename P>
 int SortedListBSearch(const List<T>& list, P cmp) {
@@ skipping 32 matching lines @@
 
 template <typename T>
 int SortedListBSearch(const List<T>& list, T elem) {
   return SortedListBSearch<T, ElementCmp<T> > (list, ElementCmp<T>(elem));
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_LIST_INL_H_