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Implement support for js_class on exported types

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Allow defining types which have different names in Rust than they have
in JS! (just like can be done with imported types)

Closes #1010
This commit is contained in:
Alex Crichton
2018-11-05 12:29:14 -08:00
parent 3c31a32d51
commit 16d5243362
8 changed files with 142 additions and 31 deletions
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12
crates/backend/src/codegen.rs
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@ -118,8 +118,8 @@ impl TryToTokens for ast::Program {
impl ToTokens for ast::Struct {
fn to_tokens(&self, tokens: &mut TokenStream) {
let name = &self.name;
let name_str = name.to_string();
let name = &self.rust_name;
let name_str = self.js_name.to_string();
let name_len = name_str.len() as u32;
let name_chars = name_str.chars().map(|c| c as u32);
let new_fn = Ident::new(&shared::new_function(&name_str), Span::call_site());
@ -328,7 +328,7 @@ impl TryToTokens for ast::Export {
let name = &self.rust_name;
let receiver = match self.method_self {
Some(ast::MethodSelf::ByValue) => {
let class = self.class.as_ref().unwrap();
let class = self.rust_class.as_ref().unwrap();
arg_conversions.push(quote! {
let me = unsafe {
<#class as ::wasm_bindgen::convert::FromWasmAbi>::from_abi(
@ -340,7 +340,7 @@ impl TryToTokens for ast::Export {
quote! { me.#name }
}
Some(ast::MethodSelf::RefMutable) => {
let class = self.class.as_ref().unwrap();
let class = self.rust_class.as_ref().unwrap();
arg_conversions.push(quote! {
let mut me = unsafe {
<#class as ::wasm_bindgen::convert::RefMutFromWasmAbi>
@ -354,7 +354,7 @@ impl TryToTokens for ast::Export {
quote! { me.#name }
}
Some(ast::MethodSelf::RefShared) => {
let class = self.class.as_ref().unwrap();
let class = self.rust_class.as_ref().unwrap();
arg_conversions.push(quote! {
let me = unsafe {
<#class as ::wasm_bindgen::convert::RefFromWasmAbi>
@ -367,7 +367,7 @@ impl TryToTokens for ast::Export {
});
quote! { me.#name }
}
None => match &self.class {
None => match &self.rust_class {
Some(class) => quote! { #class::#name },
None => quote! { #name },
},