зеркало из https://github.com/mozilla/gecko-dev.git
72 строки
1.8 KiB
C++
72 строки
1.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "ValueIndex.h"
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#include "mozilla/Assertions.h"
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namespace mozilla {
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namespace recordreplay {
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size_t ValueIndex::Insert(const void* aValue) {
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MOZ_RELEASE_ASSERT(!Contains(aValue));
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size_t index = mIndexCount++;
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mValueToIndex.insert(ValueToIndexMap::value_type(aValue, index));
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mIndexToValue.insert(IndexToValueMap::value_type(index, aValue));
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return index;
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}
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void ValueIndex::Remove(const void* aValue) {
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size_t index;
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if (!MaybeGetIndex(aValue, &index)) {
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return;
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}
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mValueToIndex.erase(aValue);
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mIndexToValue.erase(index);
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}
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size_t ValueIndex::GetIndex(const void* aValue) {
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size_t index;
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if (!MaybeGetIndex(aValue, &index)) {
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MOZ_CRASH();
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}
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return index;
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}
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bool ValueIndex::MaybeGetIndex(const void* aValue, size_t* aIndex) {
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ValueToIndexMap::const_iterator iter = mValueToIndex.find(aValue);
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if (iter != mValueToIndex.end()) {
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*aIndex = iter->second;
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return true;
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}
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return false;
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}
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bool ValueIndex::Contains(const void* aValue) {
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size_t index;
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return MaybeGetIndex(aValue, &index);
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}
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const void* ValueIndex::GetValue(size_t aIndex) {
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IndexToValueMap::const_iterator iter = mIndexToValue.find(aIndex);
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MOZ_RELEASE_ASSERT(iter != mIndexToValue.end());
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return iter->second;
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}
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bool ValueIndex::IsEmpty() {
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MOZ_ASSERT(mValueToIndex.empty() == mIndexToValue.empty());
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return mValueToIndex.empty();
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}
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const ValueIndex::ValueToIndexMap& ValueIndex::GetValueToIndexMap() {
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return mValueToIndex;
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}
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} // namespace recordreplay
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} // namespace mozilla
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