Struct Instance

pub struct Instance { /* private fields */ }

An Instance represents an instantiated module. In the instantiation process, An Instance is created from alModule. From an Instance the exported functions, tables, memories, and globals can be fetched.

Trait Implementations

impl AsInstance for Instance

unsafe fn as_ptr(&self) -> *const WasmEdge_ModuleInstanceContext

Safety

fn name(&self) -> Option<String>

Returns the name of this exported module instance.

fn get_table( &self, name: impl AsRef<str>, ) -> WasmEdgeResult<InnerRef<Table, &Self>>

where Self: Sized,

Returns the exported table instance by name.

fn get_memory_ref( &self, name: impl AsRef<str>, ) -> WasmEdgeResult<InnerRef<Memory, &Self>>

where Self: Sized,

Returns the exported memory instance by name.

fn get_memory_mut( &mut self, name: impl AsRef<str>, ) -> WasmEdgeResult<InnerRef<Memory, &mut Self>>

where Self: Sized,

fn get_global( &self, name: impl AsRef<str>, ) -> WasmEdgeResult<InnerRef<Global, &Self>>

where Self: Sized,

Returns the exported global instance by name.

fn get_global_mut( &mut self, name: impl AsRef<str>, ) -> WasmEdgeResult<InnerRef<Global, &mut Self>>

where Self: Sized,

fn func_len(&self) -> u32

Returns the length of the exported function instances in this module instance.

fn func_names(&self) -> Option<Vec<String>>

Returns the names of the exported function instances in this module instance.

fn get_func(&self, name: &str) -> WasmEdgeResult<FuncRef<&Instance>>

Returns the exported function instance by name.

fn get_func_mut(&mut self, name: &str) -> WasmEdgeResult<FuncRef<&mut Instance>>

Returns the exported function instance by name.

fn table_len(&self) -> u32

Returns the length of the exported table instances in this module instance.

fn table_names(&self) -> Option<Vec<String>>

Returns the names of the exported table instances in this module instance.

fn mem_len(&self) -> u32

Returns the length of the exported memory instances in this module instance.

fn mem_names(&self) -> Option<Vec<String>>

Returns the names of all exported memory instances in this module instance.

fn global_len(&self) -> u32

Returns the length of the exported global instances in this module instance.

fn global_names(&self) -> Option<Vec<String>>

Returns the names of the exported global instances in this module instance.

impl AsMut<Instance> for AsyncInstance

Available on crate feature async and Linux only.

fn as_mut(&mut self) -> &mut Instance

Converts this type into a mutable reference of the (usually inferred) input type.

impl AsMut<Instance> for WasiModule

fn as_mut(&mut self) -> &mut Instance

Converts this type into a mutable reference of the (usually inferred) input type.

impl AsRef<Instance> for AsyncInstance

Available on crate feature async and Linux only.

fn as_ref(&self) -> &Instance

Converts this type into a shared reference of the (usually inferred) input type.

impl AsRef<Instance> for WasiModule

fn as_ref(&self) -> &Instance

Converts this type into a shared reference of the (usually inferred) input type.

impl Debug for Instance

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

Formats the value using the given formatter.

impl Drop for Instance

fn drop(&mut self)

Executes the destructor for this type.