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!(Store @derives derive_more::From, Debug; @path store);
57
58impl BackendStore {
59    #[inline]
60    pub(crate) fn engine(&self) -> &Engine {
61        match_rt!(on self => s {
62            s.engine()
63        })
64    }
65
66    #[inline]
67    pub(crate) fn engine_mut(&mut self) -> &mut Engine {
68        match_rt!(on self => s {
69            s.engine_mut()
70        })
71    }
72}
73
74impl AsEngineRef for BackendStore {
75    #[inline]
76    fn as_engine_ref(&self) -> crate::EngineRef<'_> {
77        match_rt!(on self => s {
78            s.as_engine_ref()
79        })
80    }
81}
wasmer/entities/store/inner.rs

wasmer/entities/store/
inner.rs
