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Added WebAssembly Module converter

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This commit is contained in:
Syrus Akbary
2021-07-15 23:57:07 -07:00
parent 88ff6b8e78
commit fe04ea894b
4 changed files with 28 additions and 15 deletions
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11
lib/js-api/src/module.rs
View File

@@ -506,3 +506,14 @@ impl fmt::Debug for Module {
.finish()
}
}
impl From<WebAssembly::Module> for Module {
fn from(module: WebAssembly::Module) -> Module {
Module {
store: Store::default(),
module,
name: None,
type_hints: None,
}
}
}

19
lib/js-api/src/ptr.rs
View File

@@ -86,13 +86,6 @@ impl<T: Copy, Ty> WasmPtr<T, Ty> {
}
}
#[inline(always)]
fn align_pointer(ptr: usize, align: usize) -> usize {
// clears bits below aligment amount (assumes power of 2) to align pointer
debug_assert!(align.count_ones() == 1);
ptr & !(align - 1)
}
/// Methods for `WasmPtr`s to data that can be dereferenced, namely to types
/// that implement [`ValueType`], meaning that they're valid for all possible
/// bit patterns.
@@ -109,8 +102,7 @@ impl<T: Copy + ValueType> WasmPtr<T, Item> {
if total_len > memory.size().bytes().0 || mem::size_of::<T>() == 0 {
return None;
}
let offset = align_pointer(self.offset as usize, mem::align_of::<T>()) as u32;
let subarray = memory.uint8view().subarray(offset, total_len as u32);
let subarray = memory.uint8view().subarray(self.offset, total_len as u32);
Some(WasmCell::new(subarray))
}
}
@@ -140,14 +132,13 @@ impl<T: Copy + ValueType> WasmPtr<T, Array> {
return None;
}
let offset = align_pointer(self.offset as usize, mem::align_of::<T>()) as u32;
Some(
(0..length)
.map(|i| {
let subarray = memory
.uint8view()
.subarray(offset + i * item_size, offset + (i + 1) * item_size);
let subarray = memory.uint8view().subarray(
self.offset + i * item_size,
self.offset + (i + 1) * item_size,
);
WasmCell::new(subarray)
})
.collect::<Vec<_>>(),