From f193fbcbae0783953cfaa88aaec6a8d4e1255007 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Fri, 11 Jan 2019 21:02:12 +0300
Subject: actually produce missing def kinds

---
 crates/ra_hir/src/code_model_api.rs | 48 +++++++++++++++++++++++++++++++++++++
 crates/ra_hir/src/ids.rs            | 32 ++++++++++++++++++++-----
 crates/ra_hir/src/lib.rs            |  2 ++
 crates/ra_hir/src/ty.rs             |  8 +++++--
 4 files changed, 82 insertions(+), 8 deletions(-)

(limited to 'crates/ra_hir/src')

diff --git a/crates/ra_hir/src/code_model_api.rs b/crates/ra_hir/src/code_model_api.rs
index 5f61bb589..d4244f70c 100644
--- a/crates/ra_hir/src/code_model_api.rs
+++ b/crates/ra_hir/src/code_model_api.rs
@@ -41,12 +41,17 @@ impl Crate {
     }
 }
 
+#[derive(Debug)]
 pub enum Def {
     Module(Module),
     Struct(Struct),
     Enum(Enum),
     EnumVariant(EnumVariant),
     Function(Function),
+    Const(Const),
+    Static(Static),
+    Trait(Trait),
+    Type(Type),
     Item,
 }
 
@@ -317,17 +322,60 @@ pub struct Const {
     pub(crate) def_id: DefId,
 }
 
+impl Const {
+    pub(crate) fn new(def_id: DefId) -> Const {
+        Const { def_id }
+    }
+
+    pub fn source(&self, db: &impl HirDatabase) -> Cancelable<(HirFileId, TreeArc<ast::ConstDef>)> {
+        Ok(def_id_to_ast(db, self.def_id))
+    }
+}
+
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct Static {
     pub(crate) def_id: DefId,
 }
 
+impl Static {
+    pub(crate) fn new(def_id: DefId) -> Static {
+        Static { def_id }
+    }
+
+    pub fn source(
+        &self,
+        db: &impl HirDatabase,
+    ) -> Cancelable<(HirFileId, TreeArc<ast::StaticDef>)> {
+        Ok(def_id_to_ast(db, self.def_id))
+    }
+}
+
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct Trait {
     pub(crate) def_id: DefId,
 }
 
+impl Trait {
+    pub(crate) fn new(def_id: DefId) -> Trait {
+        Trait { def_id }
+    }
+
+    pub fn source(&self, db: &impl HirDatabase) -> Cancelable<(HirFileId, TreeArc<ast::TraitDef>)> {
+        Ok(def_id_to_ast(db, self.def_id))
+    }
+}
+
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct Type {
     pub(crate) def_id: DefId,
 }
+
+impl Type {
+    pub(crate) fn new(def_id: DefId) -> Type {
+        Type { def_id }
+    }
+
+    pub fn source(&self, db: &impl HirDatabase) -> Cancelable<(HirFileId, TreeArc<ast::TypeDef>)> {
+        Ok(def_id_to_ast(db, self.def_id))
+    }
+}
diff --git a/crates/ra_hir/src/ids.rs b/crates/ra_hir/src/ids.rs
index 0805fd3db..316896dce 100644
--- a/crates/ra_hir/src/ids.rs
+++ b/crates/ra_hir/src/ids.rs
@@ -4,11 +4,10 @@ use ra_arena::{Arena, RawId, impl_arena_id};
 
 use crate::{
     HirDatabase, PerNs, Def, Function, Struct, Enum, EnumVariant, ImplBlock, Crate,
+    Module, Trait, Type, Static, Const,
     module_tree::ModuleId,
 };
 
-use crate::code_model_api::Module;
-
 /// hir makes heavy use of ids: integer (u32) handlers to various things. You
 /// can think of id as a pointer (but without a lifetime) or a file descriptor
 /// (but for hir objects).
@@ -146,6 +145,10 @@ pub(crate) enum DefKind {
     Struct,
     Enum,
     EnumVariant,
+    Const,
+    Static,
+    Trait,
+    Type,
     Item,
 
     StructCtor,
@@ -173,6 +176,23 @@ impl DefId {
             }
             DefKind::Enum => Def::Enum(Enum::new(self)),
             DefKind::EnumVariant => Def::EnumVariant(EnumVariant::new(self)),
+            DefKind::Const => {
+                let def = Const::new(self);
+                Def::Const(def)
+            }
+            DefKind::Static => {
+                let def = Static::new(self);
+                Def::Static(def)
+            }
+            DefKind::Trait => {
+                let def = Trait::new(self);
+                Def::Trait(def)
+            }
+            DefKind::Type => {
+                let def = Type::new(self);
+                Def::Type(def)
+            }
+
             DefKind::StructCtor => Def::Item,
             DefKind::Item => Def::Item,
         };
@@ -218,10 +238,10 @@ impl DefKind {
             SyntaxKind::STRUCT_DEF => PerNs::both(DefKind::Struct, DefKind::StructCtor),
             SyntaxKind::ENUM_DEF => PerNs::types(DefKind::Enum),
             // These define items, but don't have their own DefKinds yet:
-            SyntaxKind::TRAIT_DEF => PerNs::types(DefKind::Item),
-            SyntaxKind::TYPE_DEF => PerNs::types(DefKind::Item),
-            SyntaxKind::CONST_DEF => PerNs::values(DefKind::Item),
-            SyntaxKind::STATIC_DEF => PerNs::values(DefKind::Item),
+            SyntaxKind::TRAIT_DEF => PerNs::types(DefKind::Trait),
+            SyntaxKind::TYPE_DEF => PerNs::types(DefKind::Type),
+            SyntaxKind::CONST_DEF => PerNs::values(DefKind::Const),
+            SyntaxKind::STATIC_DEF => PerNs::values(DefKind::Static),
             _ => PerNs::none(),
         }
     }
diff --git a/crates/ra_hir/src/lib.rs b/crates/ra_hir/src/lib.rs
index fe8be5700..45dda4f7f 100644
--- a/crates/ra_hir/src/lib.rs
+++ b/crates/ra_hir/src/lib.rs
@@ -60,4 +60,6 @@ pub use self::code_model_api::{
     Module, ModuleSource, Problem,
     Struct, Enum, EnumVariant,
     Function, FnSignature, ScopeEntryWithSyntax,
+    Static, Const,
+    Trait, Type,
 };
diff --git a/crates/ra_hir/src/ty.rs b/crates/ra_hir/src/ty.rs
index 18c41a015..0c24a0652 100644
--- a/crates/ra_hir/src/ty.rs
+++ b/crates/ra_hir/src/ty.rs
@@ -470,8 +470,12 @@ pub(super) fn type_for_def(db: &impl HirDatabase, def_id: DefId) -> Cancelable<T
         Def::Struct(s) => type_for_struct(db, s),
         Def::Enum(e) => type_for_enum(db, e),
         Def::EnumVariant(ev) => type_for_enum_variant(db, ev),
-        Def::Item => {
-            log::debug!("trying to get type for item of unknown type {:?}", def_id);
+        _ => {
+            log::debug!(
+                "trying to get type for item of unknown type {:?} {:?}",
+                def_id,
+                def
+            );
             Ok(Ty::Unknown)
         }
     }
-- 
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