1 // Copyright 2006-2009 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are
6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided
11 // with the distribution.
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13 // contributors may be used to endorse or promote products derived
14 // from this software without specific prior written permission.
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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28 #ifndef V8_LIST_INL_H_
29 #define V8_LIST_INL_H_
37 template<typename T, class P>
38 void List<T, P>::Add(const T& element) {
39 if (length_ < capacity_) {
40 data_[length_++] = element;
42 List<T, P>::ResizeAdd(element);
47 template<typename T, class P>
48 void List<T, P>::AddAll(const List<T, P>& other) {
49 AddAll(other.ToVector());
53 template<typename T, class P>
54 void List<T, P>::AddAll(const Vector<T>& other) {
55 int result_length = length_ + other.length();
56 if (capacity_ < result_length) Resize(result_length);
57 for (int i = 0; i < other.length(); i++) {
58 data_[length_ + i] = other.at(i);
60 length_ = result_length;
64 // Use two layers of inlining so that the non-inlined function can
65 // use the same implementation as the inlined version.
66 template<typename T, class P>
67 void List<T, P>::ResizeAdd(const T& element) {
68 ResizeAddInternal(element);
72 template<typename T, class P>
73 void List<T, P>::ResizeAddInternal(const T& element) {
74 ASSERT(length_ >= capacity_);
75 // Grow the list capacity by 50%, but make sure to let it grow
76 // even when the capacity is zero (possible initial case).
77 int new_capacity = 1 + capacity_ + (capacity_ >> 1);
78 // Since the element reference could be an element of the list, copy
79 // it out of the old backing storage before resizing.
82 data_[length_++] = temp;
86 template<typename T, class P>
87 void List<T, P>::Resize(int new_capacity) {
88 T* new_data = List<T, P>::NewData(new_capacity);
89 memcpy(new_data, data_, capacity_ * sizeof(T));
90 List<T, P>::DeleteData(data_);
92 capacity_ = new_capacity;
96 template<typename T, class P>
97 Vector<T> List<T, P>::AddBlock(T value, int count) {
99 for (int i = 0; i < count; i++) Add(value);
100 return Vector<T>(&data_[start], count);
104 template<typename T, class P>
105 void List<T, P>::InsertAt(int index, const T& elm) {
106 ASSERT(index >= 0 && index <= length_);
108 for (int i = length_ - 1; i > index; --i) {
109 data_[i] = data_[i - 1];
115 template<typename T, class P>
116 T List<T, P>::Remove(int i) {
119 while (i < length_) {
120 data_[i] = data_[i + 1];
127 template<typename T, class P>
128 bool List<T, P>::RemoveElement(const T& elm) {
129 for (int i = 0; i < length_; i++) {
130 if (data_[i] == elm) {
139 template<typename T, class P>
140 void List<T, P>::Clear() {
146 template<typename T, class P>
147 void List<T, P>::Rewind(int pos) {
152 template<typename T, class P>
153 void List<T, P>::Iterate(void (*callback)(T* x)) {
154 for (int i = 0; i < length_; i++) callback(&data_[i]);
158 template<typename T, class P>
159 template<class Visitor>
160 void List<T, P>::Iterate(Visitor* visitor) {
161 for (int i = 0; i < length_; i++) visitor->Apply(&data_[i]);
165 template<typename T, class P>
166 bool List<T, P>::Contains(const T& elm) const {
167 for (int i = 0; i < length_; i++) {
175 template<typename T, class P>
176 int List<T, P>::CountOccurrences(const T& elm, int start, int end) const {
178 for (int i = start; i <= end; i++) {
179 if (data_[i] == elm) ++result;
185 template<typename T, class P>
186 void List<T, P>::Sort(int (*cmp)(const T* x, const T* y)) {
187 ToVector().Sort(cmp);
189 for (int i = 1; i < length_; i++)
190 ASSERT(cmp(&data_[i - 1], &data_[i]) <= 0);
195 template<typename T, class P>
196 void List<T, P>::Sort() {
197 Sort(PointerValueCompare<T>);
201 template<typename T, class P>
202 void List<T, P>::Initialize(int capacity) {
203 ASSERT(capacity >= 0);
204 data_ = (capacity > 0) ? NewData(capacity) : NULL;
205 capacity_ = capacity;
210 template <typename T>
211 int SortedListBSearch(
212 const List<T>& list, T elem, int (*cmp)(const T* x, const T* y)) {
214 int high = list.length() - 1;
215 while (low <= high) {
216 int mid = (low + high) / 2;
217 T mid_elem = list[mid];
219 if (mid_elem > elem) {
223 if (mid_elem < elem) {
227 // Found the elememt.
234 template <typename T>
235 int SortedListBSearch(const List<T>& list, T elem) {
236 return SortedListBSearch<T>(list, elem, PointerValueCompare<T>);
239 } } // namespace v8::internal
241 #endif // V8_LIST_INL_H_