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Issue 200132: Add initial version of retainers heap profile. (Closed)
Patch Set: Comments addressed Created 11 years, 3 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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244 244
245 245
246 void StringStream::Add(const char* format, FmtElm arg0, FmtElm arg1, 246 void StringStream::Add(const char* format, FmtElm arg0, FmtElm arg1,
247 FmtElm arg2, FmtElm arg3) { 247 FmtElm arg2, FmtElm arg3) {
248 const char argc = 4; 248 const char argc = 4;
249 FmtElm argv[argc] = { arg0, arg1, arg2, arg3 }; 249 FmtElm argv[argc] = { arg0, arg1, arg2, arg3 };
250 Add(CStrVector(format), Vector<FmtElm>(argv, argc)); 250 Add(CStrVector(format), Vector<FmtElm>(argv, argc));
251 } 251 }
252 252
253 253
254 SmartPointer<const char> StringStream::ToCString() { 254 SmartPointer<const char> StringStream::ToCString() const {
255 char* str = NewArray<char>(length_ + 1); 255 char* str = NewArray<char>(length_ + 1);
256 memcpy(str, buffer_, length_); 256 memcpy(str, buffer_, length_);
257 str[length_] = '\0'; 257 str[length_] = '\0';
258 return SmartPointer<const char>(str); 258 return SmartPointer<const char>(str);
259 } 259 }
260 260
261 261
262 void StringStream::Log() { 262 void StringStream::Log() {
263 LOG(StringEvent("StackDump", buffer_)); 263 LOG(StringEvent("StackDump", buffer_));
264 } 264 }
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575 575
576 // Only grow once to the maximum allowable size. 576 // Only grow once to the maximum allowable size.
577 char* NoAllocationStringAllocator::grow(unsigned* bytes) { 577 char* NoAllocationStringAllocator::grow(unsigned* bytes) {
578 ASSERT(size_ >= *bytes); 578 ASSERT(size_ >= *bytes);
579 *bytes = size_; 579 *bytes = size_;
580 return space_; 580 return space_;
581 } 581 }
582 582
583 583
584 } } // namespace v8::internal 584 } } // namespace v8::internal
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