Merge #456

456: Move adt to code_model_api r=matklad a=matklad



Co-authored-by: Aleksey Kladov <aleksey.kladov@gmail.com>

crates/ra_hir/src/adt.rs

@@ -1,93 +1,60 @@
 use std::sync::Arc;
 
 use ra_db::Cancelable;
-use ra_syntax::ast::{self, NameOwner, StructFlavor};
+use ra_syntax::ast::{self, NameOwner, StructFlavor, AstNode};
 
 use crate::{
-    DefId, Name, AsName,
-    db::HirDatabase,
+    DefId, Name, AsName, Struct, Enum, VariantData, StructField, HirDatabase, DefKind,
     type_ref::TypeRef,
 };
 
-pub struct Struct {
-    def_id: DefId,
-}
-
 impl Struct {
     pub(crate) fn new(def_id: DefId) -> Self {
         Struct { def_id }
     }
-
-    pub fn def_id(&self) -> DefId {
-        self.def_id
-    }
-
-    pub fn variant_data(&self, db: &impl HirDatabase) -> Cancelable<Arc<VariantData>> {
-        Ok(db.struct_data(self.def_id)?.variant_data.clone())
-    }
-
-    pub fn struct_data(&self, db: &impl HirDatabase) -> Cancelable<Arc<StructData>> {
-        Ok(db.struct_data(self.def_id)?)
-    }
-
-    pub fn name(&self, db: &impl HirDatabase) -> Cancelable<Option<Name>> {
-        Ok(db.struct_data(self.def_id)?.name.clone())
-    }
 }
 
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub struct StructData {
-    name: Option<Name>,
-    variant_data: Arc<VariantData>,
+    pub(crate) name: Option<Name>,
+    pub(crate) variant_data: Arc<VariantData>,
 }
 
 impl StructData {
-    pub(crate) fn new(struct_def: &ast::StructDef) -> StructData {
+    fn new(struct_def: &ast::StructDef) -> StructData {
         let name = struct_def.name().map(|n| n.as_name());
         let variant_data = VariantData::new(struct_def.flavor());
         let variant_data = Arc::new(variant_data);
         StructData { name, variant_data }
     }
 
-    pub fn name(&self) -> Option<&Name> {
-        self.name.as_ref()
-    }
-
-    pub fn variant_data(&self) -> &Arc<VariantData> {
-        &self.variant_data
-    }
-}
-
-pub struct Enum {
+    pub(crate) fn struct_data_query(
+        db: &impl HirDatabase,
         def_id: DefId,
+    ) -> Cancelable<Arc<StructData>> {
+        let def_loc = def_id.loc(db);
+        assert!(def_loc.kind == DefKind::Struct);
+        let syntax = db.file_item(def_loc.source_item_id);
+        let struct_def =
+            ast::StructDef::cast(&syntax).expect("struct def should point to StructDef node");
+        Ok(Arc::new(StructData::new(struct_def)))
+    }
 }
 
 impl Enum {
     pub(crate) fn new(def_id: DefId) -> Self {
         Enum { def_id }
     }
-
-    pub fn def_id(&self) -> DefId {
-        self.def_id
-    }
-
-    pub fn name(&self, db: &impl HirDatabase) -> Cancelable<Option<Name>> {
-        Ok(db.enum_data(self.def_id)?.name.clone())
-    }
-
-    pub fn variants(&self, db: &impl HirDatabase) -> Cancelable<Vec<(Name, Arc<VariantData>)>> {
-        Ok(db.enum_data(self.def_id)?.variants.clone())
-    }
 }
 
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub struct EnumData {
-    name: Option<Name>,
-    variants: Vec<(Name, Arc<VariantData>)>,
+    pub(crate) name: Option<Name>,
+    pub(crate) variants: Vec<(Name, Arc<VariantData>)>,
 }
 
 impl EnumData {
-    pub(crate) fn new(enum_def: &ast::EnumDef) -> Self {
+    fn new(enum_def: &ast::EnumDef) -> Self {
         let name = enum_def.name().map(|n| n.as_name());
         let variants = if let Some(evl) = enum_def.variant_list() {
             evl.variants()
@@ -103,34 +70,21 @@ impl EnumData {
         };
         EnumData { name, variants }
     }
-}
 
-/// A single field of an enum variant or struct
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct StructField {
-    name: Name,
-    type_ref: TypeRef,
+    pub(crate) fn enum_data_query(
+        db: &impl HirDatabase,
+        def_id: DefId,
+    ) -> Cancelable<Arc<EnumData>> {
+        let def_loc = def_id.loc(db);
+        assert!(def_loc.kind == DefKind::Enum);
+        let syntax = db.file_item(def_loc.source_item_id);
+        let enum_def = ast::EnumDef::cast(&syntax).expect("enum def should point to EnumDef node");
+        Ok(Arc::new(EnumData::new(enum_def)))
     }
-
-impl StructField {
-    pub fn name(&self) -> Name {
-        self.name.clone()
-    }
-    pub fn type_ref(&self) -> &TypeRef {
-        &self.type_ref
-    }
-}
-
-/// Fields of an enum variant or struct
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum VariantData {
-    Struct(Vec<StructField>),
-    Tuple(Vec<StructField>),
-    Unit,
 }
 
 impl VariantData {
-    pub fn new(flavor: StructFlavor) -> Self {
+    fn new(flavor: StructFlavor) -> Self {
         match flavor {
             StructFlavor::Tuple(fl) => {
                 let fields = fl
@@ -160,32 +114,7 @@ impl VariantData {
     pub(crate) fn get_field_type_ref(&self, field_name: &Name) -> Option<&TypeRef> {
         self.fields()
             .iter()
-            .find(|f| f.name == *field_name)
-            .map(|f| &f.type_ref)
-    }
-
-    pub fn fields(&self) -> &[StructField] {
-        match *self {
-            VariantData::Struct(ref fields) | VariantData::Tuple(ref fields) => fields,
-            _ => &[],
-        }
-    }
-    pub fn is_struct(&self) -> bool {
-        match self {
-            VariantData::Struct(..) => true,
-            _ => false,
-        }
-    }
-    pub fn is_tuple(&self) -> bool {
-        match self {
-            VariantData::Tuple(..) => true,
-            _ => false,
-        }
-    }
-    pub fn is_unit(&self) -> bool {
-        match self {
-            VariantData::Unit => true,
-            _ => false,
-        }
+            .find(|f| f.name() == field_name)
+            .map(|f| f.type_ref())
     }
 }

crates/ra_hir/src/code_model_api.rs

@@ -1,8 +1,15 @@
+use std::sync::Arc;
+
 use relative_path::RelativePathBuf;
 use ra_db::{CrateId, Cancelable, FileId};
 use ra_syntax::{ast, TreePtr, SyntaxNode};
 
-use crate::{Name, db::HirDatabase, DefId, Path, PerNs, nameres::ModuleScope};
+use crate::{
+    Name, DefId, Path, PerNs,
+    type_ref::TypeRef,
+    nameres::ModuleScope,
+    db::HirDatabase,
+};
 
 /// hir::Crate describes a single crate. It's the main inteface with which
 /// crate's dependencies interact. Mostly, it should be just a proxy for the
@@ -111,3 +118,92 @@ impl Module {
         self.problems_impl(db)
     }
 }
+
+/// A single field of an enum variant or struct
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct StructField {
+    pub(crate) name: Name,
+    pub(crate) type_ref: TypeRef,
+}
+
+impl StructField {
+    pub fn name(&self) -> &Name {
+        &self.name
+    }
+    pub fn type_ref(&self) -> &TypeRef {
+        &self.type_ref
+    }
+}
+
+/// Fields of an enum variant or struct
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub enum VariantData {
+    Struct(Vec<StructField>),
+    Tuple(Vec<StructField>),
+    Unit,
+}
+
+impl VariantData {
+    pub fn fields(&self) -> &[StructField] {
+        match self {
+            VariantData::Struct(fields) | VariantData::Tuple(fields) => fields,
+            _ => &[],
+        }
+    }
+    pub fn is_struct(&self) -> bool {
+        match self {
+            VariantData::Struct(..) => true,
+            _ => false,
+        }
+    }
+    pub fn is_tuple(&self) -> bool {
+        match self {
+            VariantData::Tuple(..) => true,
+            _ => false,
+        }
+    }
+    pub fn is_unit(&self) -> bool {
+        match self {
+            VariantData::Unit => true,
+            _ => false,
+        }
+    }
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct Struct {
+    pub(crate) def_id: DefId,
+}
+
+impl Struct {
+    pub fn def_id(&self) -> DefId {
+        self.def_id
+    }
+
+    pub fn name(&self, db: &impl HirDatabase) -> Cancelable<Option<Name>> {
+        Ok(db.struct_data(self.def_id)?.name.clone())
+    }
+
+    pub fn variant_data(&self, db: &impl HirDatabase) -> Cancelable<Arc<VariantData>> {
+        Ok(db.struct_data(self.def_id)?.variant_data.clone())
+    }
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct Enum {
+    pub(crate) def_id: DefId,
+}
+
+impl Enum {
+    pub fn def_id(&self) -> DefId {
+        self.def_id
+    }
+
+    pub fn name(&self, db: &impl HirDatabase) -> Cancelable<Option<Name>> {
+        Ok(db.enum_data(self.def_id)?.name.clone())
+    }
+
+    pub fn variants(&self, db: &impl HirDatabase) -> Cancelable<Vec<(Name, Arc<VariantData>)>> {
+        Ok(db.enum_data(self.def_id)?.variants.clone())
+    }
+}

crates/ra_hir/src/db.rs

@@ -38,12 +38,12 @@ pub trait HirDatabase: SyntaxDatabase
 
     fn struct_data(def_id: DefId) -> Cancelable<Arc<StructData>> {
         type StructDataQuery;
-        use fn query_definitions::struct_data;
+        use fn crate::adt::StructData::struct_data_query;
     }
 
     fn enum_data(def_id: DefId) -> Cancelable<Arc<EnumData>> {
         type EnumDataQuery;
-        use fn query_definitions::enum_data;
+        use fn crate::adt::EnumData::enum_data_query;
     }
 
     fn infer(def_id: DefId) -> Cancelable<Arc<InferenceResult>> {

crates/ra_hir/src/lib.rs

@@ -50,7 +50,6 @@ pub use self::{
     module_tree::ModuleId,
     nameres::{ItemMap, PerNs, Namespace, Resolution},
     function::{Function, FnSignature, FnScopes, ScopesWithSyntaxMapping},
-    adt::{Struct, Enum},
     ty::Ty,
     impl_block::{ImplBlock, ImplItem},
 };
@@ -60,6 +59,7 @@ pub use self::function::FnSignatureInfo;
 pub use self::code_model_api::{
     Crate, CrateDependency,
     Module, ModuleSource, Problem,
+    Struct, Enum, VariantData, StructField,
 };
 
 pub enum Def {

crates/ra_hir/src/query_definitions.rs

@@ -11,13 +11,12 @@ use ra_syntax::{
 use ra_db::{SourceRootId, Cancelable,};
 
 use crate::{
-    SourceFileItems, SourceItemId, DefKind, DefId, HirFileId, ModuleSource,
+    SourceFileItems, SourceItemId, DefId, HirFileId, ModuleSource,
     MacroCallLoc,
     db::HirDatabase,
     function::FnScopes,
     module_tree::ModuleId,
     nameres::{InputModuleItems, ItemMap, Resolver},
-    adt::{StructData, EnumData},
 };
 
 pub(super) fn fn_scopes(db: &impl HirDatabase, def_id: DefId) -> Cancelable<Arc<FnScopes>> {
@@ -26,23 +25,6 @@ pub(super) fn fn_scopes(db: &impl HirDatabase, def_id: DefId) -> Cancelable<Arc<
     Ok(Arc::new(res))
 }
 
-pub(super) fn struct_data(db: &impl HirDatabase, def_id: DefId) -> Cancelable<Arc<StructData>> {
-    let def_loc = def_id.loc(db);
-    assert!(def_loc.kind == DefKind::Struct);
-    let syntax = db.file_item(def_loc.source_item_id);
-    let struct_def =
-        ast::StructDef::cast(&syntax).expect("struct def should point to StructDef node");
-    Ok(Arc::new(StructData::new(struct_def)))
-}
-
-pub(super) fn enum_data(db: &impl HirDatabase, def_id: DefId) -> Cancelable<Arc<EnumData>> {
-    let def_loc = def_id.loc(db);
-    assert!(def_loc.kind == DefKind::Enum);
-    let syntax = db.file_item(def_loc.source_item_id);
-    let enum_def = ast::EnumDef::cast(&syntax).expect("enum def should point to EnumDef node");
-    Ok(Arc::new(EnumData::new(enum_def)))
-}
-
 pub(super) fn file_items(db: &impl HirDatabase, file_id: HirFileId) -> Arc<SourceFileItems> {
     let source_file = db.hir_source_file(file_id);
     let res = SourceFileItems::new(file_id, &source_file);