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Expose variant index to Serializer

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This commit is contained in:
Erick Tryzelaar
2015-07-19 13:12:42 -04:00
parent 10f23dddfe
commit affa9382be
6 changed files with 54 additions and 13 deletions
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serde_codegen/src/ser.rs
+11 -3
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@@ -243,7 +243,8 @@ fn serialize_item_enum(
enum_def: &ast::EnumDef,
) -> P<ast::Expr> {
let arms: Vec<ast::Arm> = enum_def.variants.iter()
.map(|variant| {
.enumerate()
.map(|(variant_index, variant)| {
serialize_variant(
cx,
builder,
@@ -251,6 +252,7 @@ fn serialize_item_enum(
impl_generics,
ty.clone(),
variant,
variant_index,
)
})
.collect();
@@ -269,6 +271,7 @@ fn serialize_variant(
generics: &ast::Generics,
ty: P<ast::Ty>,
variant: &ast::Variant,
variant_index: usize,
) -> ast::Arm {
let type_name = builder.expr().str(type_ident);
let variant_ident = variant.node.name;
@@ -285,6 +288,7 @@ fn serialize_variant(
::serde::ser::Serializer::visit_enum_unit(
serializer,
$type_name,
$variant_index,
$variant_name,
)
}
@@ -304,6 +308,7 @@ fn serialize_variant(
cx,
builder,
type_name,
variant_index,
variant_name,
generics,
ty,
@@ -340,6 +345,7 @@ fn serialize_variant(
cx,
builder,
type_name,
variant_index,
variant_name,
generics,
ty,
@@ -356,6 +362,7 @@ fn serialize_tuple_variant(
cx: &ExtCtxt,
builder: &aster::AstBuilder,
type_name: P<ast::Expr>,
variant_index: usize,
variant_name: P<ast::Expr>,
generics: &ast::Generics,
structure_ty: P<ast::Ty>,
@@ -395,7 +402,7 @@ fn serialize_tuple_variant(
quote_expr!(cx, {
$visitor_struct
$visitor_impl
serializer.visit_enum_seq($type_name, $variant_name, Visitor {
serializer.visit_enum_seq($type_name, $variant_index, $variant_name, Visitor {
value: $value_expr,
state: 0,
_structure_ty: ::std::marker::PhantomData,
@@ -407,6 +414,7 @@ fn serialize_struct_variant(
cx: &ExtCtxt,
builder: &aster::AstBuilder,
type_name: P<ast::Expr>,
variant_index: usize,
variant_name: P<ast::Expr>,
generics: &ast::Generics,
structure_ty: P<ast::Ty>,
@@ -451,7 +459,7 @@ fn serialize_struct_variant(
quote_expr!(cx, {
$visitor_struct
$visitor_impl
serializer.visit_enum_map($type_name, $variant_name, Visitor {
serializer.visit_enum_map($type_name, $variant_index, $variant_name, Visitor {
value: $value_expr,
state: 0,
_structure_ty: ::std::marker::PhantomData,