diff options
Diffstat (limited to 'extra/chromium/chromium-VirtualCursor-standard-layout.patch')
-rw-r--r-- | extra/chromium/chromium-VirtualCursor-standard-layout.patch | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/extra/chromium/chromium-VirtualCursor-standard-layout.patch b/extra/chromium/chromium-VirtualCursor-standard-layout.patch deleted file mode 100644 index 721e194..0000000 --- a/extra/chromium/chromium-VirtualCursor-standard-layout.patch +++ /dev/null @@ -1,216 +0,0 @@ -diff --git a/sql/recover_module/btree.cc b/sql/recover_module/btree.cc -index 9ecaafe..839318a 100644 ---- a/sql/recover_module/btree.cc -+++ b/sql/recover_module/btree.cc -@@ -135,16 +135,25 @@ - "Move the destructor to the .cc file if it's non-trival"); - #endif // !DCHECK_IS_ON() - --LeafPageDecoder::LeafPageDecoder(DatabasePageReader* db_reader) noexcept -- : page_id_(db_reader->page_id()), -- db_reader_(db_reader), -- cell_count_(ComputeCellCount(db_reader)), -- next_read_index_(0), -- last_record_size_(0) { -+void LeafPageDecoder::Initialize(DatabasePageReader* db_reader) { -+ DCHECK(db_reader); - DCHECK(IsOnValidPage(db_reader)); -+ page_id_ = db_reader->page_id(); -+ db_reader_ = db_reader; -+ cell_count_ = ComputeCellCount(db_reader); -+ next_read_index_ = 0; -+ last_record_size_ = 0; - DCHECK(DatabasePageReader::IsValidPageId(page_id_)); - } - -+void LeafPageDecoder::Reset() { -+ db_reader_ = nullptr; -+ page_id_ = 0; -+ cell_count_ = 0; -+ next_read_index_ = 0; -+ last_record_size_ = 0; -+} -+ - bool LeafPageDecoder::TryAdvance() { - DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); - DCHECK(CanAdvance()); -diff --git a/sql/recover_module/btree.h b/sql/recover_module/btree.h -index d76d076..33114b0 100644 ---- a/sql/recover_module/btree.h -+++ b/sql/recover_module/btree.h -@@ -102,7 +102,7 @@ - // - // |db_reader| must have been used to read an inner page of a table B-tree. - // |db_reader| must outlive this instance. -- explicit LeafPageDecoder(DatabasePageReader* db_reader) noexcept; -+ explicit LeafPageDecoder() noexcept = default; - ~LeafPageDecoder() noexcept = default; - - LeafPageDecoder(const LeafPageDecoder&) = delete; -@@ -150,6 +150,15 @@ - // read as long as CanAdvance() returns true. - bool TryAdvance(); - -+ // Initialize with DatabasePageReader -+ void Initialize(DatabasePageReader* db_reader); -+ -+ // Reset internal DatabasePageReader -+ void Reset(); -+ -+ // True if DatabasePageReader is valid -+ bool IsValid() { return (db_reader_ != nullptr); } -+ - // True if the given reader may point to an inner page in a table B-tree. - // - // The last ReadPage() call on |db_reader| must have succeeded. -@@ -163,14 +172,14 @@ - static int ComputeCellCount(DatabasePageReader* db_reader); - - // The number of the B-tree page this reader is reading. -- const int64_t page_id_; -+ int64_t page_id_; - // Used to read the tree page. - // - // Raw pointer usage is acceptable because this instance's owner is expected - // to ensure that the DatabasePageReader outlives this. -- DatabasePageReader* const db_reader_; -+ DatabasePageReader* db_reader_; - // Caches the ComputeCellCount() value for this reader's page. -- const int cell_count_ = ComputeCellCount(db_reader_); -+ int cell_count_; - - // The reader's cursor state. - // -diff --git a/sql/recover_module/cursor.cc b/sql/recover_module/cursor.cc -index 0029ff9..42548bc 100644 ---- a/sql/recover_module/cursor.cc -+++ b/sql/recover_module/cursor.cc -@@ -26,7 +26,7 @@ - int VirtualCursor::First() { - DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); - inner_decoders_.clear(); -- leaf_decoder_ = nullptr; -+ leaf_decoder_.Reset(); - - AppendPageDecoder(table_->root_page_id()); - return Next(); -@@ -36,18 +36,18 @@ - DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); - record_reader_.Reset(); - -- while (!inner_decoders_.empty() || leaf_decoder_.get()) { -- if (leaf_decoder_.get()) { -- if (!leaf_decoder_->CanAdvance()) { -+ while (!inner_decoders_.empty() || leaf_decoder_.IsValid()) { -+ if (leaf_decoder_.IsValid()) { -+ if (!leaf_decoder_.CanAdvance()) { - // The leaf has been exhausted. Remove it from the DFS stack. -- leaf_decoder_ = nullptr; -+ leaf_decoder_.Reset(); - continue; - } -- if (!leaf_decoder_->TryAdvance()) -+ if (!leaf_decoder_.TryAdvance()) - continue; - -- if (!payload_reader_.Initialize(leaf_decoder_->last_record_size(), -- leaf_decoder_->last_record_offset())) { -+ if (!payload_reader_.Initialize(leaf_decoder_.last_record_size(), -+ leaf_decoder_.last_record_offset())) { - continue; - } - if (!record_reader_.Initialize()) -@@ -99,13 +99,13 @@ - int64_t VirtualCursor::RowId() { - DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); - DCHECK(record_reader_.IsInitialized()); -- DCHECK(leaf_decoder_.get()); -- return leaf_decoder_->last_record_rowid(); -+ DCHECK(leaf_decoder_.IsValid()); -+ return leaf_decoder_.last_record_rowid(); - } - - void VirtualCursor::AppendPageDecoder(int page_id) { - DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); -- DCHECK(leaf_decoder_.get() == nullptr) -+ DCHECK(!leaf_decoder_.IsValid()) - << __func__ - << " must only be called when the current path has no leaf decoder"; - -@@ -113,7 +113,7 @@ - return; - - if (LeafPageDecoder::IsOnValidPage(&db_reader_)) { -- leaf_decoder_ = std::make_unique<LeafPageDecoder>(&db_reader_); -+ leaf_decoder_.Initialize(&db_reader_); - return; - } - -diff --git a/sql/recover_module/cursor.h b/sql/recover_module/cursor.h -index afcd690..b15c31d 100644 ---- a/sql/recover_module/cursor.h -+++ b/sql/recover_module/cursor.h -@@ -129,7 +129,7 @@ - std::vector<std::unique_ptr<InnerPageDecoder>> inner_decoders_; - - // Decodes the leaf page containing records. -- std::unique_ptr<LeafPageDecoder> leaf_decoder_; -+ LeafPageDecoder leaf_decoder_; - - SEQUENCE_CHECKER(sequence_checker_); - }; -diff --git a/sql/recover_module/pager.cc b/sql/recover_module/pager.cc -index 58e75de..5fe9620 100644 ---- a/sql/recover_module/pager.cc -+++ b/sql/recover_module/pager.cc -@@ -23,8 +23,7 @@ - "ints are not appropriate for representing page IDs"); - - DatabasePageReader::DatabasePageReader(VirtualTable* table) -- : page_data_(std::make_unique<uint8_t[]>(table->page_size())), -- table_(table) { -+ : page_data_(), table_(table) { - DCHECK(table != nullptr); - DCHECK(IsValidPageSize(table->page_size())); - } -@@ -57,8 +56,8 @@ - std::numeric_limits<int64_t>::max(), - "The |read_offset| computation above may overflow"); - -- int sqlite_status = -- RawRead(sqlite_file, read_size, read_offset, page_data_.get()); -+ int sqlite_status = RawRead(sqlite_file, read_size, read_offset, -+ const_cast<uint8_t*>(page_data_.data())); - - // |page_id_| needs to be set to kInvalidPageId if the read failed. - // Otherwise, future ReadPage() calls with the previous |page_id_| value -diff --git a/sql/recover_module/pager.h b/sql/recover_module/pager.h -index 0e388ddc..99314e3 100644 ---- a/sql/recover_module/pager.h -+++ b/sql/recover_module/pager.h -@@ -5,6 +5,7 @@ - #ifndef SQL_RECOVER_MODULE_PAGER_H_ - #define SQL_RECOVER_MODULE_PAGER_H_ - -+#include <array> - #include <cstdint> - #include <memory> - -@@ -70,7 +71,7 @@ - DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); - DCHECK_NE(page_id_, kInvalidPageId) - << "Successful ReadPage() required before accessing pager state"; -- return page_data_.get(); -+ return page_data_.data(); - } - - // The number of bytes in the page read by the last ReadPage() call. -@@ -137,7 +138,7 @@ - int page_id_ = kInvalidPageId; - // Stores the bytes of the last page successfully read by ReadPage(). - // The content is undefined if the last call to ReadPage() did not succeed. -- const std::unique_ptr<uint8_t[]> page_data_; -+ const std::array<uint8_t, kMaxPageSize> page_data_; - // Raw pointer usage is acceptable because this instance's owner is expected - // to ensure that the VirtualTable outlives this. - VirtualTable* const table_; |