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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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 #ifndef V8_SNAPSHOT_SOURCE_SINK_H_ | 5 #ifndef V8_SNAPSHOT_SOURCE_SINK_H_ |
6 #define V8_SNAPSHOT_SOURCE_SINK_H_ | 6 #define V8_SNAPSHOT_SOURCE_SINK_H_ |
7 | 7 |
8 #include "src/base/logging.h" | 8 #include "src/base/logging.h" |
9 #include "src/utils.h" | 9 #include "src/utils.h" |
10 | 10 |
11 namespace v8 { | 11 namespace v8 { |
12 namespace internal { | 12 namespace internal { |
13 | 13 |
14 | 14 |
15 /** | 15 /** |
16 * Source to read snapshot and builtins files from. | 16 * Source to read snapshot and builtins files from. |
17 * | 17 * |
18 * Note: Memory ownership remains with callee. | 18 * Note: Memory ownership remains with callee. |
19 */ | 19 */ |
20 class SnapshotByteSource V8_FINAL { | 20 class SnapshotByteSource V8_FINAL { |
21 public: | 21 public: |
22 SnapshotByteSource(const byte* array, int length); | 22 SnapshotByteSource(const byte* array, int length); |
23 ~SnapshotByteSource(); | 23 ~SnapshotByteSource(); |
24 | 24 |
25 bool HasMore() { return position_ < length_; } | 25 bool HasMore() { return position_ < length_; } |
26 | 26 |
27 int Get() { | 27 int Get() { |
28 ASSERT(position_ < length_); | 28 DCHECK(position_ < length_); |
29 return data_[position_++]; | 29 return data_[position_++]; |
30 } | 30 } |
31 | 31 |
32 int32_t GetUnalignedInt(); | 32 int32_t GetUnalignedInt(); |
33 | 33 |
34 void Advance(int by) { position_ += by; } | 34 void Advance(int by) { position_ += by; } |
35 | 35 |
36 void CopyRaw(byte* to, int number_of_bytes); | 36 void CopyRaw(byte* to, int number_of_bytes); |
37 | 37 |
38 inline int GetInt() { | 38 inline int GetInt() { |
(...skipping 27 matching lines...) Expand all Loading... |
66 /** | 66 /** |
67 * Sink to write snapshot files to. | 67 * Sink to write snapshot files to. |
68 * | 68 * |
69 * Subclasses must implement actual storage or i/o. | 69 * Subclasses must implement actual storage or i/o. |
70 */ | 70 */ |
71 class SnapshotByteSink { | 71 class SnapshotByteSink { |
72 public: | 72 public: |
73 virtual ~SnapshotByteSink() { } | 73 virtual ~SnapshotByteSink() { } |
74 virtual void Put(byte b, const char* description) = 0; | 74 virtual void Put(byte b, const char* description) = 0; |
75 virtual void PutSection(int b, const char* description) { | 75 virtual void PutSection(int b, const char* description) { |
76 ASSERT_LE(b, kMaxUInt8); | 76 DCHECK_LE(b, kMaxUInt8); |
77 Put(static_cast<byte>(b), description); | 77 Put(static_cast<byte>(b), description); |
78 } | 78 } |
79 void PutInt(uintptr_t integer, const char* description); | 79 void PutInt(uintptr_t integer, const char* description); |
80 void PutRaw(byte* data, int number_of_bytes, const char* description); | 80 void PutRaw(byte* data, int number_of_bytes, const char* description); |
81 void PutBlob(byte* data, int number_of_bytes, const char* description); | 81 void PutBlob(byte* data, int number_of_bytes, const char* description); |
82 virtual int Position() = 0; | 82 virtual int Position() = 0; |
83 }; | 83 }; |
84 | 84 |
85 | 85 |
86 class DummySnapshotSink : public SnapshotByteSink { | 86 class DummySnapshotSink : public SnapshotByteSink { |
(...skipping 29 matching lines...) Expand all Loading... |
116 virtual int Position() V8_OVERRIDE { return data_->length(); } | 116 virtual int Position() V8_OVERRIDE { return data_->length(); } |
117 | 117 |
118 private: | 118 private: |
119 i::List<byte>* data_; | 119 i::List<byte>* data_; |
120 }; | 120 }; |
121 | 121 |
122 } // namespace v8::internal | 122 } // namespace v8::internal |
123 } // namespace v8 | 123 } // namespace v8 |
124 | 124 |
125 #endif // V8_SNAPSHOT_SOURCE_SINK_H_ | 125 #endif // V8_SNAPSHOT_SOURCE_SINK_H_ |
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