bjoernager/rust
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Use #[derive] instead of custom syntax in all newtype_index

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This commit is contained in:
Nilstrieb 2022-12-18 20:53:08 +01:00
parent 37efc81072
commit b4d739ef12
7 changed files with 14 additions and 26 deletions
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12
compiler/rustc_macros/src/newtype.rs
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@ -1,11 +1,9 @@
use proc_macro2::{Span, TokenStream};
use quote::quote;
use syn::parse::*;
use syn::punctuated::Punctuated;
use syn::*;
mod kw {
syn::custom_keyword!(derive);
syn::custom_keyword!(DEBUG_FORMAT);
syn::custom_keyword!(MAX);
syn::custom_keyword!(ENCODABLE);
@ -57,16 +55,6 @@ impl Parse for Newtype {
body.parse::<Token![..]>()?;
} else {
loop {
if body.lookahead1().peek(kw::derive) {
body.parse::<kw::derive>()?;
let derives;
bracketed!(derives in body);
let derives: Punctuated<Path, Token![,]> =
derives.parse_terminated(Path::parse)?;
try_comma()?;
derive_paths.extend(derives);
continue;
}
if body.lookahead1().peek(kw::DEBUG_FORMAT) {
body.parse::<kw::DEBUG_FORMAT>()?;
body.parse::<Token![=]>()?;