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Fix eval order lint in ssz_derive (#1210)

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Paul Hauner 2020-05-28 11:37:40 +10:00 committed by GitHub
parent 7d897a0519
commit 5879f84d17
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 20 additions and 6 deletions
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26
consensus/ssz_derive/src/lib.rs
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@ -176,6 +176,7 @@ pub fn ssz_decode_derive(input: TokenStream) -> TokenStream {
};
let mut register_types = vec![];
let mut field_names = vec![];
let mut fixed_decodes = vec![];
let mut decodes = vec![];
let mut is_fixed_lens = vec![];
@ -186,14 +187,18 @@ pub fn ssz_decode_derive(input: TokenStream) -> TokenStream {
for field in &struct_data.fields {
match &field.ident {
Some(ref ident) => {
field_names.push(quote! {
#ident
});
if should_skip_deserializing(field) {
// Field should not be deserialized; use a `Default` impl to instantiate.
decodes.push(quote! {
#ident: <_>::default()
let #ident = <_>::default();
});
fixed_decodes.push(quote! {
#ident: <_>::default()
let #ident = <_>::default();
});
} else {
let ty = &field.ty;
@ -203,11 +208,11 @@ pub fn ssz_decode_derive(input: TokenStream) -> TokenStream {
});
decodes.push(quote! {
#ident: decoder.decode_next()?
let #ident = decoder.decode_next()?;
});
fixed_decodes.push(quote! {
#ident: decode_field!(#ty)
let #ident = decode_field!(#ty);
});
is_fixed_lens.push(quote! {
@ -269,9 +274,13 @@ pub fn ssz_decode_derive(input: TokenStream) -> TokenStream {
}};
}
#(
#fixed_decodes
)*
Ok(Self {
#(
#fixed_decodes,
#field_names,
)*
})
} else {
@ -283,9 +292,14 @@ pub fn ssz_decode_derive(input: TokenStream) -> TokenStream {
let mut decoder = builder.build()?;
#(
#decodes
)*
Ok(Self {
#(
#decodes,
#field_names,
)*
})
}