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https://github.com/fluencelabs/wasm-bindgen
synced 2025-03-16 02:00:51 +00:00
Fix compat with current nightly
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@ -1,3 +1,4 @@
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use proc_macro2::TokenTree;
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use quote::{ToTokens, Tokens};
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use shared;
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use syn;
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@ -757,7 +758,16 @@ impl BindgenAttrs {
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Some(i) => i,
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None => return BindgenAttrs::default(),
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};
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syn::parse(attrs.remove(pos).tts.into()).expect("malformed #[wasm_bindgen] attribute")
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let mut tts = attrs.remove(pos).tts.into_iter();
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let tt = match tts.next() {
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Some(TokenTree::Group(d)) => d.stream(),
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Some(_) => panic!("malformed #[wasm_bindgen] attribute"),
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None => return BindgenAttrs::default(),
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};
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if tts.next().is_some() {
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panic!("malformed #[wasm_bindgen] attribute");
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}
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syn::parse(tt.into()).expect("malformed #[wasm_bindgen] attribute")
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}
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fn module(&self) -> Option<&str> {
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@ -859,11 +869,11 @@ impl BindgenAttrs {
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impl syn::synom::Synom for BindgenAttrs {
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named!(parse -> Self, alt!(
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do_parse!(
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opts: parens!(call!(
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opts: call!(
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syn::punctuated::Punctuated::<_, syn::token::Comma>::parse_terminated
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)) >>
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) >>
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(BindgenAttrs {
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attrs: opts.1.into_iter().collect(),
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attrs: opts.into_iter().collect(),
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})
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) => { |s| s }
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@ -109,6 +109,13 @@ impl ToTokens for ast::Struct {
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(quote! {
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impl ::wasm_bindgen::describe::WasmDescribe for #name {
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fn describe() {
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use wasm_bindgen::__wbindgen_if_not_std;
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__wbindgen_if_not_std! {
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compile_error! {
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"exporting a class to JS requires the `std` feature to \
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be enabled in the `wasm-bindgen` crate"
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}
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}
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use wasm_bindgen::describe::*;
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inform(RUST_STRUCT);
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inform(#name_len);
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@ -116,13 +123,6 @@ impl ToTokens for ast::Struct {
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}
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}
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::wasm_bindgen::__wbindgen_if_not_std! {
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compile_error! {
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"exporting a class to JS requires the `std` feature to \
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be enabled in the `wasm-bindgen` crate"
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}
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}
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impl ::wasm_bindgen::convert::IntoWasmAbi for #name {
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type Abi = u32;
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