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fix(codegen): Support extern crate serde not in toplevel module

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This commit is contained in:
David Tolnay
2016-04-24 10:59:57 -07:00
parent a959073a81
commit 305fab7c16
10 changed files with 91 additions and 79 deletions
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serde_codegen/src/ser.rs
+20 -13
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@@ -74,14 +74,21 @@ fn serialize_item(
let where_clause = &impl_generics.where_clause;
let dummy_const = builder.id(format!("_IMPL_SERIALIZE_FOR_{}", item.ident));
Ok(quote_item!(cx,
impl $impl_generics ::serde::ser::Serialize for $ty $where_clause {
fn serialize<__S>(&self, _serializer: &mut __S) -> ::std::result::Result<(), __S::Error>
where __S: ::serde::ser::Serializer,
{
$body
#[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
const $dummy_const: () = {
extern crate serde as _serde;
#[automatically_derived]
impl $impl_generics _serde::ser::Serialize for $ty $where_clause {
fn serialize<__S>(&self, _serializer: &mut __S) -> ::std::result::Result<(), __S::Error>
where __S: _serde::ser::Serializer,
{
$body
}
}
}
};
).unwrap())
}
@@ -96,7 +103,7 @@ fn build_impl_generics(
let generics = bound::without_defaults(generics);
let generics = bound::with_bound(cx, builder, item, &generics,
&serialized_by_us,
&["serde", "ser", "Serialize"]);
&builder.path().ids(&["_serde", "ser", "Serialize"]).build());
generics
}
@@ -361,7 +368,7 @@ fn serialize_variant(
Ok(quote_arm!(cx,
$pat => {
::serde::ser::Serializer::serialize_unit_variant(
_serde::ser::Serializer::serialize_unit_variant(
_serializer,
$type_name,
$variant_index,
@@ -380,7 +387,7 @@ fn serialize_variant(
Ok(quote_arm!(cx,
$pat => {
::serde::ser::Serializer::serialize_newtype_variant(
_serde::ser::Serializer::serialize_newtype_variant(
_serializer,
$type_name,
$variant_index,
@@ -647,12 +654,12 @@ fn serialize_tuple_struct_visitor(
).unwrap(),
quote_item!(cx,
impl $visitor_impl_generics ::serde::ser::SeqVisitor
impl $visitor_impl_generics _serde::ser::SeqVisitor
for Visitor $visitor_generics
$where_clause {
#[inline]
fn visit<S>(&mut self, _serializer: &mut S) -> ::std::result::Result<Option<()>, S::Error>
where S: ::serde::ser::Serializer
where S: _serde::ser::Serializer
{
match self.state {
$arms
@@ -752,12 +759,12 @@ fn serialize_struct_visitor(
quote_item!(cx,
impl $visitor_impl_generics
::serde::ser::MapVisitor
_serde::ser::MapVisitor
for Visitor $visitor_generics
$where_clause {
#[inline]
fn visit<S>(&mut self, _serializer: &mut S) -> ::std::result::Result<Option<()>, S::Error>
where S: ::serde::ser::Serializer,
where S: _serde::ser::Serializer,
{
loop {
match self.state {