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Issue 18583: Change type of snapshot from char array to byte array to avoid portability pr... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 11 years, 11 months ago
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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. 1 // Copyright 2006-2008 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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128 Serializer(); 128 Serializer();
129 129
130 virtual ~Serializer(); 130 virtual ~Serializer();
131 131
132 // Serialize the current state of the heap. This operation destroys the 132 // Serialize the current state of the heap. This operation destroys the
133 // heap contents and the contents of the roots into the heap. 133 // heap contents and the contents of the roots into the heap.
134 void Serialize(); 134 void Serialize();
135 135
136 // Returns the serialized buffer. Ownership is transferred to the 136 // Returns the serialized buffer. Ownership is transferred to the
137 // caller. Only the destructor and getters may be called after this call. 137 // caller. Only the destructor and getters may be called after this call.
138 void Finalize(char** str, int* len); 138 void Finalize(byte** str, int* len);
139 139
140 int roots() { return roots_; } 140 int roots() { return roots_; }
141 int objects() { return objects_; } 141 int objects() { return objects_; }
142 142
143 #ifdef DEBUG 143 #ifdef DEBUG
144 // insert "tag" into the serialized stream 144 // insert "tag" into the serialized stream
145 virtual void Synchronize(const char* tag); 145 virtual void Synchronize(const char* tag);
146 #endif 146 #endif
147 147
148 static bool enabled() { return serialization_enabled_; } 148 static bool enabled() { return serialization_enabled_; }
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204 204
205 HashMap saved_addresses_; 205 HashMap saved_addresses_;
206 206
207 DISALLOW_COPY_AND_ASSIGN(Serializer); 207 DISALLOW_COPY_AND_ASSIGN(Serializer);
208 }; 208 };
209 209
210 // Helper class to read the bytes of the serialized heap. 210 // Helper class to read the bytes of the serialized heap.
211 211
212 class SnapshotReader { 212 class SnapshotReader {
213 public: 213 public:
214 SnapshotReader(const char* str, int len): str_(str), end_(str + len) {} 214 SnapshotReader(const byte* str, int len): str_(str), end_(str + len) {}
215 215
216 void ExpectC(char expected) { 216 void ExpectC(char expected) {
217 int c = GetC(); 217 int c = GetC();
218 USE(c); 218 USE(c);
219 ASSERT(c == expected); 219 ASSERT(c == expected);
220 } 220 }
221 221
222 int GetC() { 222 int GetC() {
223 if (str_ >= end_) return EOF; 223 if (str_ >= end_) return EOF;
224 return *str_++; 224 return *str_++;
(...skipping 15 matching lines...) Expand all
240 ExpectC('['); 240 ExpectC('[');
241 int size = GetInt(); 241 int size = GetInt();
242 ExpectC(']'); 242 ExpectC(']');
243 char* s = NewArray<char>(size + 1); 243 char* s = NewArray<char>(size + 1);
244 GetBytes(reinterpret_cast<Address>(s), size); 244 GetBytes(reinterpret_cast<Address>(s), size);
245 s[size] = 0; 245 s[size] = 0;
246 return s; 246 return s;
247 } 247 }
248 248
249 private: 249 private:
250 const char* str_; 250 const byte* str_;
251 const char* end_; 251 const byte* end_;
252 }; 252 };
253 253
254 254
255 // A Deserializer reads a snapshot and reconstructs the Object graph it defines. 255 // A Deserializer reads a snapshot and reconstructs the Object graph it defines.
256 256
257 class Deserializer: public ObjectVisitor { 257 class Deserializer: public ObjectVisitor {
258 public: 258 public:
259 // Create a deserializer. The snapshot is held in str and has size len. 259 // Create a deserializer. The snapshot is held in str and has size len.
260 Deserializer(const char* str, int len); 260 Deserializer(const byte* str, int len);
261 261
262 virtual ~Deserializer(); 262 virtual ~Deserializer();
263 263
264 // Read the flags from the header of the file, and set those that 264 // Read the flags from the header of the file, and set those that
265 // should be inherited from the snapshot. 265 // should be inherited from the snapshot.
266 void GetFlags(); 266 void GetFlags();
267 267
268 // Read saved profiling information from the file and log it if required. 268 // Read saved profiling information from the file and log it if required.
269 void GetLog(); 269 void GetLog();
270 270
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325 #ifdef DEBUG 325 #ifdef DEBUG
326 bool expect_debug_information_; 326 bool expect_debug_information_;
327 #endif 327 #endif
328 328
329 DISALLOW_COPY_AND_ASSIGN(Deserializer); 329 DISALLOW_COPY_AND_ASSIGN(Deserializer);
330 }; 330 };
331 331
332 } } // namespace v8::internal 332 } } // namespace v8::internal
333 333
334 #endif // V8_SERIALIZE_H_ 334 #endif // V8_SERIALIZE_H_
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