Add trait ast::TypeBoundsOwner

crates/ra_syntax/src/ast.rs

@@ -110,6 +110,12 @@ fn where_clause(&self) -> Option<&WhereClause> {
     }
 }
 
+pub trait TypeBoundsOwner: AstNode {
+    fn type_bound_list(&self) -> Option<&TypeBoundList> {
+        child_opt(self)
+    }
+}
+
 pub trait AttrsOwner: AstNode {
     fn attrs(&self) -> AstChildren<Attr> {
         children(self)

crates/ra_syntax/src/ast/generated.rs

@@ -685,6 +685,7 @@ fn to_owned(&self) -> TreeArc<DynTraitType> { TreeArc::cast(self.syntax.to_owned
 }
 
 
+impl ast::TypeBoundsOwner for DynTraitType {}
 impl DynTraitType {}
 
 // EnumDef
@@ -1581,6 +1582,7 @@ fn to_owned(&self) -> TreeArc<ImplTraitType> { TreeArc::cast(self.syntax.to_owne
 }
 
 
+impl ast::TypeBoundsOwner for ImplTraitType {}
 impl ImplTraitType {}
 
 // IndexExpr
@@ -4061,6 +4063,7 @@ impl ast::NameOwner for TraitDef {}
 impl ast::AttrsOwner for TraitDef {}
 impl ast::DocCommentsOwner for TraitDef {}
 impl ast::TypeParamsOwner for TraitDef {}
+impl ast::TypeBoundsOwner for TraitDef {}
 impl TraitDef {
     pub fn item_list(&self) -> Option<&ItemList> {
         super::child_opt(self)
@@ -4291,6 +4294,7 @@ impl ast::NameOwner for TypeAliasDef {}
 impl ast::TypeParamsOwner for TypeAliasDef {}
 impl ast::AttrsOwner for TypeAliasDef {}
 impl ast::DocCommentsOwner for TypeAliasDef {}
+impl ast::TypeBoundsOwner for TypeAliasDef {}
 impl TypeAliasDef {
     pub fn type_ref(&self) -> Option<&TypeRef> {
         super::child_opt(self)
@@ -4465,6 +4469,7 @@ fn to_owned(&self) -> TreeArc<TypeParam> { TreeArc::cast(self.syntax.to_owned())
 
 impl ast::NameOwner for TypeParam {}
 impl ast::AttrsOwner for TypeParam {}
+impl ast::TypeBoundsOwner for TypeParam {}
 impl TypeParam {}
 
 // TypeParamList

crates/ra_syntax/src/grammar.ron

@@ -295,7 +295,7 @@ Grammar(
         "EnumVariantList": ( collections: [["variants", "EnumVariant"]] ),
         "EnumVariant": ( traits: ["NameOwner", "DocCommentsOwner", "AttrsOwner"], options: ["Expr"] ),
         "TraitDef": (
-            traits: ["VisibilityOwner", "NameOwner", "AttrsOwner", "DocCommentsOwner", "TypeParamsOwner"],
+            traits: ["VisibilityOwner", "NameOwner", "AttrsOwner", "DocCommentsOwner", "TypeParamsOwner", "TypeBoundsOwner"],
             options: ["ItemList"]
         ),
         "Module": (
@@ -332,7 +332,8 @@ Grammar(
                 "NameOwner",
                 "TypeParamsOwner",
                 "AttrsOwner",
-                "DocCommentsOwner"
+                "DocCommentsOwner",
+                "TypeBoundsOwner",
             ],
             options: ["TypeRef"]
         ),
@@ -349,8 +350,12 @@ Grammar(
         "PlaceholderType": (),
         "FnPointerType": (options: ["ParamList", "RetType"]),
         "ForType": (options: ["TypeRef"]),
-        "ImplTraitType": (),
-        "DynTraitType": (),
+        "ImplTraitType": (
+            traits: ["TypeBoundsOwner"],
+        ),
+        "DynTraitType": (
+            traits: ["TypeBoundsOwner"],
+        ),
 
         "TypeRef": ( enum: [
             "ParenType",
@@ -573,7 +578,7 @@ Grammar(
                 ["lifetime_params", "LifetimeParam" ],
             ]
         ),
-        "TypeParam": ( traits: ["NameOwner", "AttrsOwner"] ),
+        "TypeParam": ( traits: ["NameOwner", "AttrsOwner", "TypeBoundsOwner"] ),
         "LifetimeParam": (
             options: [ "Lifetime"],
             traits: ["AttrsOwner"],