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Substitute Self in output of Serialize derive

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David Tolnay 2021-01-25 13:27:15 -08:00
parent 6699b0bc40
commit 2ba97394fb
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2 changed files with 8 additions and 4 deletions
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4
serde_derive/src/lib.rs
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@ -79,8 +79,8 @@ mod try;
#[proc_macro_derive(Serialize, attributes(serde))] #[proc_macro_derive(Serialize, attributes(serde))]
pub fn derive_serialize(input: TokenStream) -> TokenStream { pub fn derive_serialize(input: TokenStream) -> TokenStream {
let input = parse_macro_input!(input as DeriveInput); let mut input = parse_macro_input!(input as DeriveInput);
ser::expand_derive_serialize(&input) ser::expand_derive_serialize(&mut input)
.unwrap_or_else(to_compile_errors) .unwrap_or_else(to_compile_errors)
.into() .into()
} }

8
serde_derive/src/ser.rs
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@ -6,10 +6,14 @@ use bound;
use dummy; use dummy;
use fragment::{Fragment, Match, Stmts}; use fragment::{Fragment, Match, Stmts};
use internals::ast::{Container, Data, Field, Style, Variant}; use internals::ast::{Container, Data, Field, Style, Variant};
use internals::{attr, Ctxt, Derive}; use internals::{attr, replace_receiver, Ctxt, Derive};
use pretend; use pretend;
pub fn expand_derive_serialize(input: &syn::DeriveInput) -> Result<TokenStream, Vec<syn::Error>> { pub fn expand_derive_serialize(
input: &mut syn::DeriveInput,
) -> Result<TokenStream, Vec<syn::Error>> {
replace_receiver(input);
let ctxt = Ctxt::new(); let ctxt = Ctxt::new();
let cont = match Container::from_ast(&ctxt, input, Derive::Serialize) { let cont = match Container::from_ast(&ctxt, input, Derive::Serialize) {
Some(cont) => cont, Some(cont) => cont,