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Inline deserialize_struct_as_struct_in_place_visitor

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Mingun 2023-05-01 01:00:40 +05:00
parent 0c367838cc
commit 5c18bfeda6
1 changed files with 24 additions and 39 deletions
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63
serde_derive/src/de.rs
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@ -1158,10 +1158,31 @@ fn deserialize_struct_in_place(
};
let expecting = cattrs.expecting().unwrap_or(&expecting);
let visit_seq = Stmts(deserialize_seq_in_place(params, fields, cattrs, expecting));
let field_names_idents: Vec<_> = fields
.iter()
.enumerate()
.filter(|&(_, field)| !field.attrs.skip_deserializing())
.map(|(i, field)| {
(
field.attrs.name().deserialize_name(),
field_i(i),
field.attrs.aliases(),
)
})
.collect();
let (field_visitor, fields_stmt, visit_map) =
deserialize_struct_as_struct_in_place_visitor(params, fields, cattrs);
let fields_stmt = {
let field_names = field_names_idents.iter().map(|(name, _, _)| name);
quote_block! {
#[doc(hidden)]
const FIELDS: &'static [&'static str] = &[ #(#field_names),* ];
}
};
let field_visitor = deserialize_generated_identifier(&field_names_idents, cattrs, false, None);
let visit_seq = Stmts(deserialize_seq_in_place(params, fields, cattrs, expecting));
let visit_map = deserialize_map_in_place(params, fields, cattrs);
let field_visitor = Stmts(field_visitor);
let fields_stmt = Stmts(fields_stmt);
@ -2707,42 +2728,6 @@ fn deserialize_map(
}
}
#[cfg(feature = "deserialize_in_place")]
fn deserialize_struct_as_struct_in_place_visitor(
params: &Parameters,
fields: &[Field],
cattrs: &attr::Container,
) -> (Fragment, Fragment, Fragment) {
assert!(!cattrs.has_flatten());
let field_names_idents: Vec<_> = fields
.iter()
.enumerate()
.filter(|&(_, field)| !field.attrs.skip_deserializing())
.map(|(i, field)| {
(
field.attrs.name().deserialize_name(),
field_i(i),
field.attrs.aliases(),
)
})
.collect();
let fields_stmt = {
let field_names = field_names_idents.iter().map(|(name, _, _)| name);
quote_block! {
#[doc(hidden)]
const FIELDS: &'static [&'static str] = &[ #(#field_names),* ];
}
};
let field_visitor = deserialize_generated_identifier(&field_names_idents, cattrs, false, None);
let visit_map = deserialize_map_in_place(params, fields, cattrs);
(field_visitor, fields_stmt, visit_map)
}
#[cfg(feature = "deserialize_in_place")]
fn deserialize_map_in_place(
params: &Parameters,