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Extend add impl

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This commit is contained in:
Aleksey Kladov 2018-08-22 19:02:37 +03:00
parent 147578f0fe
commit 8d82d1551e
5 changed files with 85 additions and 25 deletions
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25
crates/libsyntax2/src/ast/generated.rs
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@ -580,6 +580,25 @@ impl<'a> ast::TypeParamsOwner<'a> for TypeDef<'a> {}
impl<'a> ast::AttrsOwner<'a> for TypeDef<'a> {}
impl<'a> TypeDef<'a> {}
// TypeParam
#[derive(Debug, Clone, Copy)]
pub struct TypeParam<'a> {
syntax: SyntaxNodeRef<'a>,
}
impl<'a> AstNode<'a> for TypeParam<'a> {
fn cast(syntax: SyntaxNodeRef<'a>) -> Option<Self> {
match syntax.kind() {
TYPE_PARAM => Some(TypeParam { syntax }),
_ => None,
}
}
fn syntax(self) -> SyntaxNodeRef<'a> { self.syntax }
}
impl<'a> ast::NameOwner<'a> for TypeParam<'a> {}
impl<'a> TypeParam<'a> {}
// TypeParamList
#[derive(Debug, Clone, Copy)]
pub struct TypeParamList<'a> {
@ -596,7 +615,11 @@ impl<'a> AstNode<'a> for TypeParamList<'a> {
fn syntax(self) -> SyntaxNodeRef<'a> { self.syntax }
}
impl<'a> TypeParamList<'a> {}
impl<'a> TypeParamList<'a> {
pub fn type_params(self) -> impl Iterator<Item = TypeParam<'a>> + 'a {
super::children(self)
}
}
// TypeRef
#[derive(Debug, Clone, Copy)]

3
crates/libsyntax2/src/grammar.ron
View file

@ -310,7 +310,8 @@ Grammar(
"NameRef": (),
"Attr": ( options: [ ["value", "TokenTree"] ] ),
"TokenTree": (),
"TypeParamList": (),
"TypeParamList": ( collections: [ ["type_params", "TypeParam" ] ]),
"TypeParam": ( traits: ["NameOwner"]),
"WhereClause": (),
},
)