wasmer/entities/store/
inner.rs

1use crate::{
2    AsStoreMut, AsStoreRef, StoreRef,
3    entities::{
4        engine::{AsEngineRef, Engine},
5        store::{StoreMut, StoreObjects},
6    },
7    macros::backend::{gen_rt_ty, match_rt},
8};
9
10#[cfg(feature = "sys")]
11use wasmer_vm::TrapHandlerFn;
12
13/// We require the context to have a fixed memory address for its lifetime since
14/// various bits of the VM have raw pointers that point back to it. Hence we
15/// wrap the actual context in a box.
16pub(crate) struct StoreInner {
17    pub(crate) objects: StoreObjects,
18    pub(crate) store: BackendStore,
19    pub(crate) on_called: Option<OnCalledHandler>,
20}
21
22impl std::fmt::Debug for StoreInner {
23    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
24        f.debug_struct("StoreInner")
25            .field("objects", &self.objects)
26            .field("store", &self.store)
27            .field("on_called", &"<...>")
28            .finish()
29    }
30}
31
32impl AsStoreRef for StoreInner {
33    fn as_store_ref(&self) -> StoreRef<'_> {
34        StoreRef { inner: self }
35    }
36}
37impl AsStoreMut for StoreInner {
38    fn as_store_mut(&mut self) -> StoreMut<'_> {
39        StoreMut { inner: self }
40    }
41
42    fn objects_mut(&mut self) -> &mut StoreObjects {
43        &mut self.objects
44    }
45}
46
47/// Call handler for a store.
48// TODO: better documentation!
49pub type OnCalledHandler = Box<
50    dyn FnOnce(
51        StoreMut<'_>,
52    )
53        -> Result<wasmer_types::OnCalledAction, Box<dyn std::error::Error + Send + Sync>>,
54>;
55
56gen_rt_ty! {
57    #[derive(derive_more::From, Debug)]
58    pub BackendStore(entities::store::Store);
59}
60
61impl BackendStore {
62    #[inline]
63    pub(crate) fn engine(&self) -> &Engine {
64        match_rt!(on self => s {
65            s.engine()
66        })
67    }
68
69    #[inline]
70    pub(crate) fn engine_mut(&mut self) -> &mut Engine {
71        match_rt!(on self => s {
72            s.engine_mut()
73        })
74    }
75}
76
77impl AsEngineRef for BackendStore {
78    #[inline]
79    fn as_engine_ref(&self) -> crate::EngineRef<'_> {
80        match_rt!(on self => s {
81            s.as_engine_ref()
82        })
83    }
84}
wasmer/entities/store/inner.rs

wasmer/entities/store/
inner.rs
