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+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ART_RUNTIME_BASE_BIT_VECTOR_INL_H_
+#define ART_RUNTIME_BASE_BIT_VECTOR_INL_H_
+
+#include "bit_vector.h"
+#include "logging.h"
+#include "utils.h"
+
+namespace art {
+
+inline bool BitVector::IndexIterator::operator==(const IndexIterator& other) const {
+ DCHECK(bit_storage_ == other.bit_storage_);
+ DCHECK_EQ(storage_size_, other.storage_size_);
+ return bit_index_ == other.bit_index_;
+}
+
+inline int BitVector::IndexIterator::operator*() const {
+ DCHECK_LT(bit_index_, BitSize());
+ return bit_index_;
+}
+
+inline BitVector::IndexIterator& BitVector::IndexIterator::operator++() {
+ DCHECK_LT(bit_index_, BitSize());
+ bit_index_ = FindIndex(bit_index_ + 1u);
+ return *this;
+}
+
+inline BitVector::IndexIterator BitVector::IndexIterator::operator++(int) {
+ IndexIterator result(*this);
+ ++*this;
+ return result;
+}
+
+inline uint32_t BitVector::IndexIterator::FindIndex(uint32_t start_index) const {
+ DCHECK_LE(start_index, BitSize());
+ uint32_t word_index = start_index / kWordBits;
+ if (UNLIKELY(word_index == storage_size_)) {
+ return start_index;
+ }
+ uint32_t word = bit_storage_[word_index];
+ // Mask out any bits in the first word we've already considered.
+ word &= static_cast<uint32_t>(-1) << (start_index & 0x1f);
+ while (word == 0u) {
+ ++word_index;
+ if (UNLIKELY(word_index == storage_size_)) {
+ return BitSize();
+ }
+ word = bit_storage_[word_index];
+ }
+ return word_index * 32u + CTZ(word);
+}
+
+inline void BitVector::ClearAllBits() {
+ memset(storage_, 0, storage_size_ * kWordBytes);
+}
+
+inline bool BitVector::Equal(const BitVector* src) const {
+ return (storage_size_ == src->GetStorageSize()) &&
+ (expandable_ == src->IsExpandable()) &&
+ (memcmp(storage_, src->GetRawStorage(), storage_size_ * sizeof(uint32_t)) == 0);
+}
+
+} // namespace art
+
+#endif // ART_RUNTIME_BASE_BIT_VECTOR_INL_H_