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Enable returning a vector of js values

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This commit is contained in:
Ryan Levick
2018-02-28 10:56:56 +01:00
parent 19f88f0fd2
commit dab6ba1df8
4 changed files with 79 additions and 1 deletions
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6
crates/wasm-bindgen-macro/src/ast.rs
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@ -72,6 +72,7 @@ pub enum VectorType {
U32,
F32,
F64,
JsValue,
}
impl Program {
@ -544,6 +545,8 @@ impl Type {
Type::Vector(VectorType::F32, false) => a.char(shared::TYPE_SLICE_F32),
Type::Vector(VectorType::F64, true) => a.char(shared::TYPE_VECTOR_F64),
Type::Vector(VectorType::F64, false) => a.char(shared::TYPE_SLICE_F64),
Type::Vector(VectorType::JsValue, true) => a.char(shared::TYPE_VECTOR_JSVALUE),
Type::Vector(VectorType::JsValue, false) => panic!("Slices of JsValues not supported"),
Type::ByValue(ref t) => {
a.as_char(my_quote! {
<#t as ::wasm_bindgen::convert::WasmBoundary>::DESCRIPTOR
@ -978,6 +981,7 @@ impl VectorType {
"u32" => Some(VectorType::U32),
"f32" => Some(VectorType::F32),
"f64" => Some(VectorType::F64),
"JsValue" => Some(VectorType::JsValue),
_ => None,
}
}
@ -993,6 +997,7 @@ impl VectorType {
VectorType::U32 => syn::Ident::from("u32"),
VectorType::F32 => syn::Ident::from("f32"),
VectorType::F64 => syn::Ident::from("f64"),
VectorType::JsValue => syn::Ident::from("JsValue"),
}
}
}
@ -1009,6 +1014,7 @@ impl ToTokens for VectorType {
VectorType::U32 => my_quote! { Vec<u32> },
VectorType::F32 => my_quote! { Vec<f32> },
VectorType::F64 => my_quote! { Vec<f64> },
VectorType::JsValue => my_quote! { Vec<JsValue> },
};
me.to_tokens(tokens);
}