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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_SRC_COMPILER_DEX_DATAFLOW_ITERATOR_INL_H_
#define ART_SRC_COMPILER_DEX_DATAFLOW_ITERATOR_INL_H_
#include "dataflow_iterator.h"
namespace art {
inline BasicBlock* DataflowIterator::NextBody(bool had_change) {
changed_ |= had_change;
BasicBlock* res = NULL;
if (reverse_) {
if (is_iterative_ && changed_ && (idx_ < 0)) {
idx_ = start_idx_;
changed_ = false;
}
if (idx_ >= 0) {
int bb_id = block_id_list_->Get(idx_--);
res = mir_graph_->GetBasicBlock(bb_id);
}
} else {
if (is_iterative_ && changed_ && (idx_ >= end_idx_)) {
idx_ = start_idx_;
changed_ = false;
}
if (idx_ < end_idx_) {
int bb_id = block_id_list_->Get(idx_++);
res = mir_graph_->GetBasicBlock(bb_id);
}
}
return res;
}
// AllNodes uses the existing GrowableArray iterator, so use different NextBody().
inline BasicBlock* AllNodesIterator::NextBody(bool had_change) {
changed_ |= had_change;
BasicBlock* res = NULL;
bool keep_looking = true;
while (keep_looking) {
res = all_nodes_iterator_->Next();
if (is_iterative_ && changed_ && (res == NULL)) {
all_nodes_iterator_->Reset();
changed_ = false;
} else if ((res == NULL) || (!res->hidden)) {
keep_looking = false;
}
}
return res;
}
} // namespace art
#endif // ART_SRC_COMPILER_DEX_DATAFLOW_ITERATOR_INL_H_
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