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| 1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 | 5 |
| 6 #include "src/snapshot/snapshot-source-sink.h" | 6 #include "src/snapshot/snapshot-source-sink.h" |
| 7 | 7 |
| 8 #include "src/base/logging.h" | 8 #include "src/base/logging.h" |
| 9 #include "src/handles-inl.h" | 9 #include "src/handles-inl.h" |
| 10 #include "src/objects-inl.h" | 10 #include "src/objects-inl.h" |
| 11 | 11 |
| 12 namespace v8 { | 12 namespace v8 { |
| 13 namespace internal { | 13 namespace internal { |
| 14 | 14 |
| 15 void SnapshotByteSource::CopyRaw(byte* to, int number_of_bytes) { | |
| 16 memcpy(to, data_ + position_, number_of_bytes); | |
| 17 position_ += number_of_bytes; | |
| 18 } | |
| 19 | |
| 20 | |
| 21 void SnapshotByteSink::PutInt(uintptr_t integer, const char* description) { | 15 void SnapshotByteSink::PutInt(uintptr_t integer, const char* description) { |
| 22 DCHECK(integer < 1 << 30); | 16 DCHECK(integer < 1 << 30); |
| 23 integer <<= 2; | 17 integer <<= 2; |
| 24 int bytes = 1; | 18 int bytes = 1; |
| 25 if (integer > 0xff) bytes = 2; | 19 if (integer > 0xff) bytes = 2; |
| 26 if (integer > 0xffff) bytes = 3; | 20 if (integer > 0xffff) bytes = 3; |
| 27 if (integer > 0xffffff) bytes = 4; | 21 if (integer > 0xffffff) bytes = 4; |
| 28 integer |= (bytes - 1); | 22 integer |= (bytes - 1); |
| 29 Put(static_cast<int>(integer & 0xff), "IntPart1"); | 23 Put(static_cast<int>(integer & 0xff), "IntPart1"); |
| 30 if (bytes > 1) Put(static_cast<int>((integer >> 8) & 0xff), "IntPart2"); | 24 if (bytes > 1) Put(static_cast<int>((integer >> 8) & 0xff), "IntPart2"); |
| (...skipping 10 matching lines...) Expand all Loading... |
| 41 | 35 |
| 42 int SnapshotByteSource::GetBlob(const byte** data) { | 36 int SnapshotByteSource::GetBlob(const byte** data) { |
| 43 int size = GetInt(); | 37 int size = GetInt(); |
| 44 CHECK(position_ + size <= length_); | 38 CHECK(position_ + size <= length_); |
| 45 *data = &data_[position_]; | 39 *data = &data_[position_]; |
| 46 Advance(size); | 40 Advance(size); |
| 47 return size; | 41 return size; |
| 48 } | 42 } |
| 49 } // namespace internal | 43 } // namespace internal |
| 50 } // namespace v8 | 44 } // namespace v8 |
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