Struct wasmer::vm::VMTable

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pub struct VMTable { /* private fields */ }

Expand description

A table instance.

Implementations

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impl VMTable

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pub fn new(table: &TableType, style: &TableStyle) -> Result<VMTable, String>

Create a new linear table instance with specified minimum and maximum number of elements.

This creates a Table with metadata owned by a VM, pointed to by vm_table_location: this can be used to create a local table.

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pub unsafe fn from_definition(
 table: &TableType,
 style: &TableStyle,
 vm_table_location: NonNull<VMTableDefinition>
) -> Result<VMTable, String>

Create a new linear table instance with specified minimum and maximum number of elements.

This creates a Table with metadata owned by a VM, pointed to by vm_table_location: this can be used to create a local table.

Safety

vm_table_location must point to a valid location in VM memory.

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pub fn ty(&self) -> &TableType

Returns the type for this Table.

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pub fn style(&self) -> &TableStyle

Returns the style for this Table.

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pub fn size(&self) -> u32

Returns the number of allocated elements.

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pub fn grow(&mut self, delta: u32, init_value: TableElement) -> Option<u32>

Grow table by the specified amount of elements.

Returns None if table can’t be grown by the specified amount of elements, otherwise returns the previous size of the table.

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pub fn get(&self, index: u32) -> Option<TableElement>

Get reference to the specified element.

Returns None if the index is out of bounds.

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pub fn set(&mut self, index: u32, reference: TableElement) -> Result<(), Trap>

Set reference to the specified element.

Errors

Returns an error if the index is out of bounds.

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pub fn vmtable(&self) -> NonNull<VMTableDefinition>

Return a VMTableDefinition for exposing the table to compiled wasm code.

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pub fn copy(
 &mut self,
 src_table: &VMTable,
 dst_index: u32,
 src_index: u32,
 len: u32
) -> Result<(), Trap>

Copy len elements from src_table[src_index..] into dst_table[dst_index..].

Errors

Returns an error if the range is out of bounds of either the source or destination tables.

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pub fn copy_within(
 &mut self,
 dst_index: u32,
 src_index: u32,
 len: u32
) -> Result<(), Trap>

Copy len elements from table[src_index..] to table[dst_index..].

Errors

Returns an error if the range is out of bounds of either the source or destination tables.

Auto Trait Implementations

impl !RefUnwindSafe for VMTable

impl !Send for VMTable

impl !Sync for VMTable

impl Unpin for VMTable

impl UnwindSafe for VMTable

Blanket Implementations

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> ArchivePointee for T

type ArchivedMetadata = ()

The archived version of the pointer metadata for this type.

fn pointer_metadata(
&<T as ArchivePointee>::ArchivedMetadata
) -> <T as Pointee>::Metadata

Converts some archived metadata to the pointer metadata for itself.

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

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

const: unstable · source

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

Mutably borrows from an owned value. Read more

impl<F, W, T, D> Deserialize<With<T, W>, D> for F where
 W: DeserializeWith<F, T, D>,
 D: Fallible + ?Sized,
 F: ?Sized,

fn deserialize(
&self,
deserializer: &mut D
) -> Result<With<T, W>, <D as Fallible>::Error>

Deserializes using the given deserializer

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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

const: unstable · 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.

impl<T> Pointable for T

const ALIGN: usize = mem::align_of::<T>()

The alignment of pointer.

type Init = T

The type for initializers.

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

impl<T> Pointee for T

type Metadata = ()

The type for metadata in pointers and references to Self.

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

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

Struct wasmer::vm::VMTable

Implementations

impl VMTable

pub fn new(table: &TableType, style: &TableStyle) -> Result<VMTable, String>

pub unsafe fn from_definition( table: &TableType, style: &TableStyle, vm_table_location: NonNull<VMTableDefinition>) -> Result<VMTable, String>

pub fn ty(&self) -> &TableType

pub fn style(&self) -> &TableStyle

pub fn size(&self) -> u32

pub fn grow(&mut self, delta: u32, init_value: TableElement) -> Option<u32>

pub fn get(&self, index: u32) -> Option<TableElement>

pub fn set(&mut self, index: u32, reference: TableElement) -> Result<(), Trap>

pub fn vmtable(&self) -> NonNull<VMTableDefinition>

pub fn copy( &mut self, src_table: &VMTable, dst_index: u32, src_index: u32, len: u32) -> Result<(), Trap>

pub fn copy_within( &mut self, dst_index: u32, src_index: u32, len: u32) -> Result<(), Trap>

Auto Trait Implementations

impl !RefUnwindSafe for VMTable

impl !Send for VMTable

impl !Sync for VMTable

impl Unpin for VMTable

impl UnwindSafe for VMTable

Blanket Implementations

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

fn type_id(&self) -> TypeId

impl<T> ArchivePointee for T

type ArchivedMetadata = ()

fn pointer_metadata( &<T as ArchivePointee>::ArchivedMetadata) -> <T as Pointee>::Metadata

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

fn borrow(&self) -> &T

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

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

impl<F, W, T, D> Deserialize<With<T, W>, D> for F where W: DeserializeWith<F, T, D>, D: Fallible + ?Sized, F: ?Sized,

fn deserialize( &self, deserializer: &mut D) -> Result<With<T, W>, <D as Fallible>::Error>

impl<T> From<T> for T

fn from(t: T) -> T

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

fn in_current_span(self) -> Instrumented<Self>

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

fn into(self) -> U

impl<T> Pointable for T

const ALIGN: usize = mem::align_of::<T>()

type Init = T

unsafe fn init(init: <T as Pointable>::Init) -> usize

unsafe fn deref<'a>(ptr: usize) -> &'a T

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

unsafe fn drop(ptr: usize)

impl<T> Pointee for T

type Metadata = ()

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

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

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

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

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

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where S: Into<Dispatch>,

fn with_current_subscriber(self) -> WithDispatch<Self>

pub unsafe fn from_definition(
table: &TableType,
style: &TableStyle,
vm_table_location: NonNull<VMTableDefinition>
) -> Result<VMTable, String>

pub fn copy(
&mut self,
src_table: &VMTable,
dst_index: u32,
src_index: u32,
len: u32
) -> Result<(), Trap>

pub fn copy_within(
&mut self,
dst_index: u32,
src_index: u32,
len: u32
) -> Result<(), Trap>

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

fn pointer_metadata(
&<T as ArchivePointee>::ArchivedMetadata
) -> <T as Pointee>::Metadata

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

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

impl<F, W, T, D> Deserialize<With<T, W>, D> for F where
W: DeserializeWith<F, T, D>,
D: Fallible + ?Sized,
F: ?Sized,

fn deserialize(
&self,
deserializer: &mut D
) -> Result<With<T, W>, <D as Fallible>::Error>

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

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

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

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,