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This commit is contained in:
David Tolnay
2018-11-21 01:13:17 -08:00
parent a8a54c0568
commit 9afc5fef11
12 changed files with 107 additions and 99 deletions
Download Patch File Download Diff File Expand all files Collapse all files
serde_derive/src/bound.rs
+24 -15
View File
@@ -32,7 +32,8 @@ pub fn without_defaults(generics: &syn::Generics) -> syn::Generics {
..param.clone()
}),
_ => param.clone(),
}).collect(),
})
.collect(),
..generics.clone()
}
}
@@ -168,15 +169,17 @@ pub fn with_bound(
associated_type_usage: Vec::new(),
};
match cont.data {
Data::Enum(ref variants) => for variant in variants.iter() {
let relevant_fields = variant
.fields
.iter()
.filter(|field| filter(&field.attrs, Some(&variant.attrs)));
for field in relevant_fields {
visitor.visit_field(field.original);
Data::Enum(ref variants) => {
for variant in variants.iter() {
let relevant_fields = variant
.fields
.iter()
.filter(|field| filter(&field.attrs, Some(&variant.attrs)));
for field in relevant_fields {
visitor.visit_field(field.original);
}
}
},
}
Data::Struct(_, ref fields) => {
for field in fields.iter().filter(|field| filter(&field.attrs, None)) {
visitor.visit_field(field.original);
@@ -193,7 +196,8 @@ pub fn with_bound(
.map(|id| syn::TypePath {
qself: None,
path: id.into(),
}).chain(associated_type_usage.into_iter().cloned())
})
.chain(associated_type_usage.into_iter().cloned())
.map(|bounded_ty| {
syn::WherePredicate::Type(syn::PredicateType {
lifetimes: None,
@@ -206,7 +210,8 @@ pub fn with_bound(
modifier: syn::TraitBoundModifier::None,
lifetimes: None,
path: bound.clone(),
})].into_iter()
})]
.into_iter()
.collect(),
})
});
@@ -239,7 +244,8 @@ pub fn with_self_bound(
modifier: syn::TraitBoundModifier::None,
lifetimes: None,
path: bound.clone(),
})].into_iter()
})]
.into_iter()
.collect(),
}));
generics
@@ -269,7 +275,8 @@ pub fn with_lifetime_bound(generics: &syn::Generics, lifetime: &str) -> syn::Gen
syn::GenericParam::Const(_) => {}
}
param
})).collect();
}))
.collect();
syn::Generics {
params: params,
@@ -305,11 +312,13 @@ fn type_of_item(cont: &Container) -> syn::Type {
syn::GenericParam::Const(_) => {
panic!("Serde does not support const generics yet");
}
}).collect(),
})
.collect(),
gt_token: <Token![>]>::default(),
},
),
}].into_iter()
}]
.into_iter()
.collect(),
},
})
serde_derive/src/de.rs
+4 -2
View File
@@ -1369,7 +1369,8 @@ fn deserialize_adjacently_tagged_enum(
quote! {
__Field::#variant_index => #block
}
}).collect();
})
.collect();
let expecting = format!("adjacently tagged enum {}", params.type_name());
let type_name = cattrs.name().deserialize_name();
@@ -1962,7 +1963,8 @@ fn deserialize_custom_identifier(
variant.attrs.name().deserialize_name(),
variant.ident.clone(),
)
}).collect();
})
.collect();
let names = names_idents.iter().map(|&(ref name, _)| name);
serde_derive/src/internals/ast.rs
+19 -13
View File
@@ -83,21 +83,25 @@ impl<'a> Container<'a> {
let mut has_flatten = false;
match data {
Data::Enum(ref mut variants) => for variant in variants {
variant.attrs.rename_by_rule(attrs.rename_all());
for field in &mut variant.fields {
Data::Enum(ref mut variants) => {
for variant in variants {
variant.attrs.rename_by_rule(attrs.rename_all());
for field in &mut variant.fields {
if field.attrs.flatten() {
has_flatten = true;
}
field.attrs.rename_by_rule(variant.attrs.rename_all());
}
}
}
Data::Struct(_, ref mut fields) => {
for field in fields {
if field.attrs.flatten() {
has_flatten = true;
}
field.attrs.rename_by_rule(variant.attrs.rename_all());
field.attrs.rename_by_rule(attrs.rename_all());
}
},
Data::Struct(_, ref mut fields) => for field in fields {
if field.attrs.flatten() {
has_flatten = true;
}
field.attrs.rename_by_rule(attrs.rename_all());
},
}
}
if has_flatten {
@@ -147,7 +151,8 @@ fn enum_from_ast<'a>(
style: style,
fields: fields,
}
}).collect()
})
.collect()
}
fn struct_from_ast<'a>(
@@ -190,5 +195,6 @@ fn fields_from_ast<'a>(
attrs: attr::Field::from_ast(cx, i, field, attrs, container_default),
ty: &field.ty,
original: field,
}).collect()
})
.collect()
}
serde_derive/src/internals/attr.rs
+17 -11
View File
@@ -1372,10 +1372,12 @@ fn is_cow(ty: &syn::Type, elem: fn(&syn::Type) -> bool) -> bool {
return false;
}
};
seg.ident == "Cow" && args.len() == 2 && match (&args[0], &args[1]) {
(&syn::GenericArgument::Lifetime(_), &syn::GenericArgument::Type(ref arg)) => elem(arg),
_ => false,
}
seg.ident == "Cow"
&& args.len() == 2
&& match (&args[0], &args[1]) {
(&syn::GenericArgument::Lifetime(_), &syn::GenericArgument::Type(ref arg)) => elem(arg),
_ => false,
}
}
fn is_option(ty: &syn::Type, elem: fn(&syn::Type) -> bool) -> bool {
@@ -1397,10 +1399,12 @@ fn is_option(ty: &syn::Type, elem: fn(&syn::Type) -> bool) -> bool {
return false;
}
};
seg.ident == "Option" && args.len() == 1 && match args[0] {
syn::GenericArgument::Type(ref arg) => elem(arg),
_ => false,
}
seg.ident == "Option"
&& args.len() == 1
&& match args[0] {
syn::GenericArgument::Type(ref arg) => elem(arg),
_ => false,
}
}
// Whether the type looks like it might be `&T` where elem="T". This can have
@@ -1492,9 +1496,11 @@ fn collect_lifetimes(ty: &syn::Type, out: &mut BTreeSet<syn::Lifetime>) {
out.extend(ty.lifetime.iter().cloned());
collect_lifetimes(&ty.elem, out);
}
syn::Type::Tuple(ref ty) => for elem in &ty.elems {
collect_lifetimes(elem, out);
},
syn::Type::Tuple(ref ty) => {
for elem in &ty.elems {
collect_lifetimes(elem, out);
}
}
syn::Type::Path(ref ty) => {
if let Some(ref qself) = ty.qself {
collect_lifetimes(&qself.ty, out);
serde_derive/src/pretend.rs
+2 -1
View File
@@ -62,7 +62,8 @@ fn pretend_fields_used(cont: &Container) -> TokenStream {
Some(quote!(#type_ident::#variant_ident #pat))
}
_ => None,
}).collect::<Vec<_>>(),
})
.collect::<Vec<_>>(),
Data::Struct(Style::Struct, ref fields) => {
let pat = struct_pattern(fields);
vec![quote!(#type_ident #pat)]
serde_derive/src/ser.rs
+16 -8
View File
@@ -288,7 +288,8 @@ fn serialize_tuple_struct(
let field_expr = get_member(params, field, &Member::Unnamed(index));
quote!(if #path(#field_expr) { 0 } else { 1 })
}
}).fold(quote!(0), |sum, expr| quote!(#sum + #expr));
})
.fold(quote!(0), |sum, expr| quote!(#sum + #expr));
quote_block! {
let #let_mut __serde_state = try!(_serde::Serializer::serialize_tuple_struct(__serializer, #type_name, #len));
@@ -331,7 +332,8 @@ fn serialize_struct_as_struct(
let field_expr = get_member(params, field, &field.member);
quote!(if #path(#field_expr) { 0 } else { 1 })
}
}).fold(quote!(0), |sum, expr| quote!(#sum + #expr));
})
.fold(quote!(0), |sum, expr| quote!(#sum + #expr));
quote_block! {
let #let_mut __serde_state = try!(_serde::Serializer::serialize_struct(__serializer, #type_name, #len));
@@ -365,7 +367,8 @@ fn serialize_struct_as_map(
let field_expr = get_member(params, field, &field.member);
quote!(if #path(#field_expr) { 0 } else { 1 })
}
}).fold(quote!(0), |sum, expr| quote!(#sum + #expr));
})
.fold(quote!(0), |sum, expr| quote!(#sum + #expr));
quote!(_serde::export::Some(#len))
};
@@ -386,7 +389,8 @@ fn serialize_enum(params: &Parameters, variants: &[Variant], cattrs: &attr::Cont
.enumerate()
.map(|(variant_index, variant)| {
serialize_variant(params, variant, variant_index as u32, cattrs)
}).collect();
})
.collect();
quote_expr! {
match *#self_var {
@@ -790,7 +794,8 @@ fn serialize_tuple_variant(
let field_expr = Ident::new(&format!("__field{}", i), Span::call_site());
quote!(if #path(#field_expr) { 0 } else { 1 })
}
}).fold(quote!(0), |sum, expr| quote!(#sum + #expr));
})
.fold(quote!(0), |sum, expr| quote!(#sum + #expr));
match context {
TupleVariant::ExternallyTagged {
@@ -867,7 +872,8 @@ fn serialize_struct_variant<'a>(
Some(path) => quote!(if #path(#member) { 0 } else { 1 }),
None => quote!(1),
}
}).fold(quote!(0), |sum, expr| quote!(#sum + #expr));
})
.fold(quote!(0), |sum, expr| quote!(#sum + #expr));
match context {
StructVariant::ExternallyTagged {
@@ -1046,7 +1052,8 @@ fn serialize_tuple_struct_visitor(
None => ser,
Some(skip) => quote!(if !#skip { #ser }),
}
}).collect()
})
.collect()
}
fn serialize_struct_visitor(
@@ -1140,7 +1147,8 @@ fn wrap_serialize_variant_with(
}
};
quote!(#id)
}).collect();
})
.collect();
wrap_serialize_with(
params,
serialize_with,