v8
9.0.257(node16.0.0)
V8 is Google's open source JavaScript engine
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#include <v8-util.h>
Data Structures | |
class | PersistentValueReference |
Public Member Functions | |
Isolate * | GetIsolate () |
size_t | Size () |
bool | IsWeak () |
Local< V > | Get (const K &key) |
bool | Contains (const K &key) |
bool | SetReturnValue (const K &key, ReturnValue< Value > returnValue) |
Global< V > | Remove (const K &key) |
void | Clear () |
PersistentValueReference | GetReference (const K &key) |
Protected Member Functions | |
PersistentValueMapBase (Isolate *isolate) | |
PersistentValueMapBase (Isolate *isolate, const char *label) | |
~PersistentValueMapBase () | |
Isolate * | isolate () |
Traits::Impl * | impl () |
void | RemoveWeak (const K &key) |
void | AnnotateStrongRetainer (Global< V > *persistent) |
Static Protected Member Functions | |
static V * | FromVal (PersistentContainerValue v) |
static PersistentContainerValue | ClearAndLeak (Global< V > *persistent) |
static PersistentContainerValue | Leak (Global< V > *persistent) |
static Global< V > | Release (PersistentContainerValue v) |
A map wrapper that allows using Global as a mapped value. C++11 embedders don't need this class, as they can use Global directly in std containers.
The map relies on a backing map, whose type and accessors are described by the Traits class. The backing map will handle values of type PersistentContainerValue, with all conversion into and out of V8 handles being transparently handled by this class.
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Traverses the map repeatedly, in case side effects of disposal cause insertions.
Definition at line 208 of file v8-util.h.
Referenced by PersistentValueMapBase< K, V, DefaultGlobalMapTraits< K, V > >::~PersistentValueMapBase().
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Definition at line 289 of file v8-util.h.
Referenced by PersistentValueMapBase< K, V, DefaultGlobalMapTraits< K, V > >::Get(), PersistentValueMapBase< K, V, Traits >::PersistentValueReference::NewLocal(), PersistentValueMapBase< K, V, DefaultGlobalMapTraits< K, V > >::Release(), and PersistentValueMapBase< K, V, DefaultGlobalMapTraits< K, V > >::RemoveWeak().
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Get a reference to a map value. This enables fast, repeated access to a value stored in the map while the map remains unchanged.
Careful: This is potentially unsafe, so please use with care. The value will become invalid if the value for this key changes in the underlying map, as a result of Set or Remove for the same key; as a result of the weak callback for the same key; or as a result of calling Clear() or destruction of the map.
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Return a container value as Global and make sure the weak callback is properly disposed of. All remove functionality should go through this.
Definition at line 308 of file v8-util.h.
Referenced by PersistentValueMapBase< K, V, DefaultGlobalMapTraits< K, V > >::Clear(), and PersistentValueMapBase< K, V, DefaultGlobalMapTraits< K, V > >::Remove().
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