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pub(crate) mod function;
pub(crate) mod global;
pub(crate) mod memory;
pub(crate) mod memory_view;
pub(crate) mod table;
pub use self::function::{FromToNativeWasmType, Function, HostFunction, WasmTypeList};
pub use self::global::Global;
pub use self::memory::Memory;
pub use self::memory_view::MemoryView;
pub use self::table::Table;
use crate::sys::exports::{ExportError, Exportable};
use crate::sys::ExternType;
use std::fmt;
use wasmer_vm::VMExtern;
use super::store::{AsStoreMut, AsStoreRef};
#[derive(Clone)]
pub enum Extern {
Function(Function),
Global(Global),
Table(Table),
Memory(Memory),
}
impl Extern {
pub fn ty(&self, store: &impl AsStoreRef) -> ExternType {
match self {
Self::Function(ft) => ExternType::Function(ft.ty(store)),
Self::Memory(ft) => ExternType::Memory(ft.ty(store)),
Self::Table(tt) => ExternType::Table(tt.ty(store)),
Self::Global(gt) => ExternType::Global(gt.ty(store)),
}
}
pub fn from_vm_extern(store: &mut impl AsStoreMut, vm_extern: VMExtern) -> Self {
match vm_extern {
VMExtern::Function(f) => Self::Function(Function::from_vm_extern(store, f)),
VMExtern::Memory(m) => Self::Memory(Memory::from_vm_extern(store, m)),
VMExtern::Global(g) => Self::Global(Global::from_vm_extern(store, g)),
VMExtern::Table(t) => Self::Table(Table::from_vm_extern(store, t)),
}
}
pub fn is_from_store(&self, store: &impl AsStoreRef) -> bool {
match self {
Self::Function(f) => f.is_from_store(store),
Self::Global(g) => g.is_from_store(store),
Self::Memory(m) => m.is_from_store(store),
Self::Table(t) => t.is_from_store(store),
}
}
pub fn to_vm_extern(&self) -> VMExtern {
match self {
Self::Function(f) => f.to_vm_extern(),
Self::Global(g) => g.to_vm_extern(),
Self::Memory(m) => m.to_vm_extern(),
Self::Table(t) => t.to_vm_extern(),
}
}
}
impl<'a> Exportable<'a> for Extern {
fn get_self_from_extern(_extern: &'a Self) -> Result<&'a Self, ExportError> {
Ok(_extern)
}
}
impl fmt::Debug for Extern {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(
f,
"{}",
match self {
Self::Function(_) => "Function(...)",
Self::Global(_) => "Global(...)",
Self::Memory(_) => "Memory(...)",
Self::Table(_) => "Table(...)",
}
)
}
}
impl From<Function> for Extern {
fn from(r: Function) -> Self {
Self::Function(r)
}
}
impl From<Global> for Extern {
fn from(r: Global) -> Self {
Self::Global(r)
}
}
impl From<Memory> for Extern {
fn from(r: Memory) -> Self {
Self::Memory(r)
}
}
impl From<Table> for Extern {
fn from(r: Table) -> Self {
Self::Table(r)
}
}