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Make all use of __private go through interpolation

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This commit is contained in:
David Tolnay
2025-09-15 09:38:22 -07:00
parent 169988206a
commit 957996f5fb
6 changed files with 340 additions and 303 deletions
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serde_derive/src/pretend.rs
+12 -9
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@@ -1,4 +1,5 @@
use crate::internals::ast::{Container, Data, Field, Style, Variant};
use crate::private;
use proc_macro2::TokenStream;
use quote::{format_ident, quote};
@@ -83,8 +84,8 @@ fn pretend_fields_used_struct(cont: &Container, fields: &[Field]) -> TokenStream
let placeholders = (0usize..).map(|i| format_ident!("__v{}", i));
quote! {
match _serde::__private::None::<&#type_ident #ty_generics> {
_serde::__private::Some(#type_ident { #(#members: #placeholders),* }) => {}
match _serde::#private::None::<&#type_ident #ty_generics> {
_serde::#private::Some(#type_ident { #(#members: #placeholders),* }) => {}
_ => {}
}
}
@@ -96,11 +97,12 @@ fn pretend_fields_used_struct_packed(cont: &Container, fields: &[Field]) -> Toke
let members = fields.iter().map(|field| &field.member).collect::<Vec<_>>();
let private2 = private;
quote! {
match _serde::__private::None::<&#type_ident #ty_generics> {
_serde::__private::Some(__v @ #type_ident { #(#members: _),* }) => {
match _serde::#private::None::<&#type_ident #ty_generics> {
_serde::#private::Some(__v @ #type_ident { #(#members: _),* }) => {
#(
let _ = _serde::__private::ptr::addr_of!(__v.#members);
let _ = _serde::#private2::ptr::addr_of!(__v.#members);
)*
}
_ => {}
@@ -125,10 +127,11 @@ fn pretend_fields_used_enum(cont: &Container, variants: &[Variant]) -> TokenStre
})
.collect::<Vec<_>>();
let private2 = private;
quote! {
match _serde::__private::None::<&#type_ident #ty_generics> {
match _serde::#private::None::<&#type_ident #ty_generics> {
#(
_serde::__private::Some(#patterns) => {}
_serde::#private2::Some(#patterns) => {}
)*
_ => {}
}
@@ -172,8 +175,8 @@ fn pretend_variants_used(cont: &Container) -> TokenStream {
};
quote! {
match _serde::__private::None {
_serde::__private::Some((#(#placeholders,)*)) => {
match _serde::#private::None {
_serde::#private::Some((#(#placeholders,)*)) => {
let _ = #type_ident::#variant_ident #turbofish #pat;
}
_ => {}