Skip to main content

WasmBackend

Struct WasmBackend 

Source
pub struct WasmBackend { /* private fields */ }
Expand description

Loads Wasm without WASI or host imports. 在没有 WASI 和宿主导入的环境中加载 Wasm。

Implementations§

Source§

impl WasmBackend

Source

pub const fn new(limits: WasmLimits) -> Self

Build a backend that applies limits to every loaded instance. 构造一个对每个已加载实例施加 limits 的后端。

Source

pub fn load( &self, artifact: VerifiedPluginArtifact, ) -> Result<WasmInstance, HostError>

Compile and instantiate the artifact, checking the limits, the host ABI version when the plugin exports one (a missing nichlink_abi_version is a legacy plugin, as README.md says), and the nichlink_health export. 编译并实例化工件,检查各项上限、宿主 ABI 版本(当插件导出它时;缺少 nichlink_abi_version 的是旧插件,见 README.md)以及 nichlink_health 导出。

This performs no slot policy: channel, framework, mode and flow are checked by WasmPluginTable::install and validate_artifact. A host that calls the backend directly gets the wasm limits and nothing else. 本方法不做槽位策略:通道、框架、模式与 flow 由 WasmPluginTable::install 与 validate_artifact 检查。直接调用后端的宿主只得到 wasm 上限,别的什么都没有。

Trait Implementations§

Source§

impl Clone for WasmBackend

Source§

fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
Source§

impl Copy for WasmBackend

Source§

impl Debug for WasmBackend

Source§

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
Source§

impl Default for WasmBackend

Source§

fn default() -> Self

Returns the “default value” for a type. Read more

Auto Trait Implementations§

Blanket Implementations§

Source§

impl<T> Any for T
where T: 'static + ?Sized,

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

impl<T> Borrow<T> for T
where T: ?Sized,

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

Source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
Source§

impl<T> CloneToUninit for T
where T: Clone,

Source§

unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

impl<T, U> Into<U> for T
where U: From<T>,

Source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Source§

impl<T> Same for T

Source§

type Output = T

Should always be Self
Source§

impl<T> ToOwned for T
where T: Clone,

Source§

type Owned = T

The resulting type after obtaining ownership.
Source§

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
Source§

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
Source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

Source§

type Error = !

The type returned in the event of a conversion error.
Source§

fn try_from(value: U) -> Result<T, !>

Performs the conversion.
Source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

Source§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
Source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.