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体验新版 GitCode,发现更多精彩内容 >>
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70f5a07f
编写于
3月 30, 2020
作者:
C
Chinmay Garde
提交者:
GitHub
3月 30, 2020
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差异文件
Document flutter::DartVMData. (#17392)
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runtime/dart_vm_data.h
runtime/dart_vm_data.h
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runtime/dart_vm_data.h
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@@ -10,19 +10,65 @@
...
@@ -10,19 +10,65 @@
namespace
flutter
{
namespace
flutter
{
//------------------------------------------------------------------------------
/// @brief Provides thread-safe access to data that is necessary to
/// bootstrap a new Dart VM instance. All snapshots referenced by
/// this object are read-only.
///
class
DartVMData
{
class
DartVMData
{
public:
public:
//----------------------------------------------------------------------------
/// @brief Creates a new instance of `DartVMData`. Both the VM and
/// isolate snapshot members are optional and may be `nullptr`. If
/// `nullptr`, the snapshot resolvers present in the settings
/// object are used to infer the snapshots. If the snapshots
/// cannot be inferred from the settings object, this method
/// return `nullptr`.
///
/// @param[in] settings The settings used to infer the VM and
/// isolate snapshots if they are not provided
/// directly.
/// @param[in] vm_snapshot The VM snapshot or `nullptr`.
/// @param[in] isolate_snapshot The isolate snapshot or `nullptr`.
///
/// @return A new instance of VM data that can be used to bootstrap a Dart
/// VM. `nullptr` if the snapshots are not provided and cannot be
/// inferred from the settings object.
///
static
std
::
shared_ptr
<
const
DartVMData
>
Create
(
static
std
::
shared_ptr
<
const
DartVMData
>
Create
(
Settings
settings
,
Settings
settings
,
fml
::
RefPtr
<
DartSnapshot
>
vm_snapshot
,
fml
::
RefPtr
<
DartSnapshot
>
vm_snapshot
,
fml
::
RefPtr
<
DartSnapshot
>
isolate_snapshot
);
fml
::
RefPtr
<
DartSnapshot
>
isolate_snapshot
);
//----------------------------------------------------------------------------
/// @brief Collect the DartVMData instance.
///
~
DartVMData
();
~
DartVMData
();
//----------------------------------------------------------------------------
/// @brief The settings object from which the Dart snapshots were
/// inferred.
///
/// @return The settings.
///
const
Settings
&
GetSettings
()
const
;
const
Settings
&
GetSettings
()
const
;
//----------------------------------------------------------------------------
/// @brief Gets the VM snapshot. This can be in the call to bootstrap
/// the Dart VM via `Dart_Initialize`.
///
/// @return The VM snapshot.
///
const
DartSnapshot
&
GetVMSnapshot
()
const
;
const
DartSnapshot
&
GetVMSnapshot
()
const
;
//----------------------------------------------------------------------------
/// @brief Get the isolate snapshot necessary to launch isolates in the
/// Dart VM. The Dart VM instance in which these isolates are
/// launched must be the same as the VM created using snapshot
/// accessed via `GetVMSnapshot`.
///
/// @return The isolate snapshot.
///
fml
::
RefPtr
<
const
DartSnapshot
>
GetIsolateSnapshot
()
const
;
fml
::
RefPtr
<
const
DartSnapshot
>
GetIsolateSnapshot
()
const
;
private:
private:
...
...
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