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Emscripten compiles with no errors!

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This commit is contained in:
Mark McCaskey
2020-06-10 17:03:44 -07:00
parent 5a6f4f12de
commit 70e25a7396
6 changed files with 138 additions and 90 deletions
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24
lib/api/src/native.rs
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@@ -81,12 +81,32 @@ where
}
}
/// Marker trait to make Rust happy: required to allow `NativeFunc<i32>` work.
/// without this trait, the singleton case looks like a generic impl in the macro
/// expansion and Rust will not compile this code because it's a potential duplicate
/// with all the existing tuples for which this is also being implemented.
pub unsafe trait WasmExternTypeInner: Copy + WasmExternType
where
Self: Sized,
{
}
unsafe impl WasmExternTypeInner for i8 {}
unsafe impl WasmExternTypeInner for u8 {}
unsafe impl WasmExternTypeInner for i16 {}
unsafe impl WasmExternTypeInner for u16 {}
unsafe impl WasmExternTypeInner for i32 {}
unsafe impl WasmExternTypeInner for u32 {}
unsafe impl WasmExternTypeInner for i64 {}
unsafe impl WasmExternTypeInner for u64 {}
unsafe impl WasmExternTypeInner for f32 {}
unsafe impl WasmExternTypeInner for f64 {}
macro_rules! impl_native_traits {
( $( $x:ident ),* ) => {
#[allow(unused_parens, non_snake_case)]
impl<'a $( , $x )*, Rets> NativeFunc<'a, ( $( $x, )* ), Rets>
impl<'a $( , $x )*, Rets> NativeFunc<'a, ( $( $x ),* ), Rets>
where
$( $x: WasmExternType, )*
$( $x: WasmExternType + WasmExternTypeInner, )*
Rets: WasmTypeList,
{
/// Call the typed func and return results.