Index: src/strings-storage.h |
diff --git a/src/strings-storage.h b/src/strings-storage.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..8fd9da7d3c9a3815325da993de9ae0b3e5fbc9a2 |
--- /dev/null |
+++ b/src/strings-storage.h |
@@ -0,0 +1,47 @@ |
+// Copyright 2015 the V8 project authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef V8_STRINGS_STORAGE_H_ |
+#define V8_STRINGS_STORAGE_H_ |
+ |
+#include "src/allocation.h" |
+#include "src/hashmap.h" |
+ |
+namespace v8 { |
+namespace internal { |
+ |
+struct OffsetRange; |
+ |
+// Provides a storage of strings allocated in C++ heap, to hold them |
+// forever, even if they disappear from JS heap or external storage. |
+class StringsStorage { |
+ public: |
+ explicit StringsStorage(Heap* heap); |
+ ~StringsStorage(); |
+ |
+ const char* GetCopy(const char* src); |
+ const char* GetFormatted(const char* format, ...); |
+ const char* GetVFormatted(const char* format, va_list args); |
+ const char* GetName(Name* name); |
+ const char* GetName(int index); |
+ const char* GetFunctionName(Name* name); |
+ const char* GetFunctionName(const char* name); |
+ size_t GetUsedMemorySize() const; |
+ |
+ private: |
+ static const int kMaxNameSize = 1024; |
+ |
+ static bool StringsMatch(void* key1, void* key2); |
+ const char* AddOrDisposeString(char* str, int len); |
+ HashMap::Entry* GetEntry(const char* str, int len); |
+ |
+ uint32_t hash_seed_; |
+ HashMap names_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(StringsStorage); |
+}; |
+} |
+} // namespace v8::internal |
+ |
+#endif // V8_STRINGS_STORAGE_H_ |