13 files changed, 91 insertions, 89 deletions

diff --git a/crates/ra_hir/src/code_model.rs b/crates/ra_hir/src/code_model.rs
index 731cc1fff..cb990f4e2 100644
--- a/crates/ra_hir/src/code_model.rs
+++ b/crates/ra_hir/src/code_model.rs
@@ -139,7 +139,7 @@ impl Module {
     ) -> Either<ast::UseTree, ast::ExternCrateItem> {
         let src = self.definition_source(db);
         let (_, source_map) = db.raw_items_with_source_map(src.file_id);
-        source_map.get(&src.ast, import)
+        source_map.get(&src.value, import)
     }
 
     /// Returns the crate this module is part of.
@@ -206,7 +206,7 @@ impl Module {
                 crate::ModuleDef::Function(f) => f.diagnostics(db, sink),
                 crate::ModuleDef::Module(m) => {
                     // Only add diagnostics from inline modules
-                    if let ModuleSource::Module(_) = m.definition_source(db).ast {
+                    if let ModuleSource::Module(_) = m.definition_source(db).value {
                         m.diagnostics(db, sink)
                     }
                 }
@@ -598,10 +598,10 @@ impl FnData {
         func: Function,
     ) -> Arc<FnData> {
         let src = func.source(db);
-        let name = src.ast.name().map(|n| n.as_name()).unwrap_or_else(Name::missing);
+        let name = src.value.name().map(|n| n.as_name()).unwrap_or_else(Name::missing);
         let mut params = Vec::new();
         let mut has_self_param = false;
-        if let Some(param_list) = src.ast.param_list() {
+        if let Some(param_list) = src.value.param_list() {
             if let Some(self_param) = param_list.self_param() {
                 let self_type = if let Some(type_ref) = self_param.ascribed_type() {
                     TypeRef::from_ast(type_ref)
@@ -625,7 +625,7 @@ impl FnData {
                 params.push(type_ref);
             }
         }
-        let ret_type = if let Some(type_ref) = src.ast.ret_type().and_then(|rt| rt.type_ref()) {
+        let ret_type = if let Some(type_ref) = src.value.ret_type().and_then(|rt| rt.type_ref()) {
             TypeRef::from_ast(type_ref)
         } else {
             TypeRef::unit()
@@ -801,7 +801,7 @@ impl ConstData {
         db: &(impl DefDatabase + AstDatabase),
         konst: Const,
     ) -> Arc<ConstData> {
-        let node = konst.source(db).ast;
+        let node = konst.source(db).value;
         const_data_for(&node)
     }
 
@@ -809,7 +809,7 @@ impl ConstData {
         db: &(impl DefDatabase + AstDatabase),
         konst: Static,
     ) -> Arc<ConstData> {
-        let node = konst.source(db).ast;
+        let node = konst.source(db).value;
         const_data_for(&node)
     }
 }
diff --git a/crates/ra_hir/src/code_model/attrs.rs b/crates/ra_hir/src/code_model/attrs.rs
index f7db36b66..9e304217c 100644
--- a/crates/ra_hir/src/code_model/attrs.rs
+++ b/crates/ra_hir/src/code_model/attrs.rs
@@ -49,9 +49,9 @@ pub(crate) fn attributes_query(
         AttrDef::Module(it) => {
             let src = it.declaration_source(db)?;
             let hygiene = Hygiene::new(db, src.file_id);
-            Attr::from_attrs_owner(&src.ast, &hygiene)
+            Attr::from_attrs_owner(&src.value, &hygiene)
         }
-        AttrDef::StructField(it) => match it.source(db).ast {
+        AttrDef::StructField(it) => match it.source(db).value {
             FieldSource::Named(named) => {
                 let src = it.source(db);
                 let hygiene = Hygiene::new(db, src.file_id);
@@ -82,7 +82,7 @@ where
 {
     let src = node.source(db);
     let hygiene = Hygiene::new(db, src.file_id);
-    Attr::from_attrs_owner(&src.ast, &hygiene)
+    Attr::from_attrs_owner(&src.value, &hygiene)
 }
 
 impl<T: Into<AttrDef> + Copy> Attrs for T {
diff --git a/crates/ra_hir/src/code_model/docs.rs b/crates/ra_hir/src/code_model/docs.rs
index 8533b4f5e..e40efef34 100644
--- a/crates/ra_hir/src/code_model/docs.rs
+++ b/crates/ra_hir/src/code_model/docs.rs
@@ -70,23 +70,23 @@ pub(crate) fn documentation_query(
     def: DocDef,
 ) -> Option<Documentation> {
     match def {
-        DocDef::Module(it) => docs_from_ast(&it.declaration_source(db)?.ast),
-        DocDef::StructField(it) => match it.source(db).ast {
+        DocDef::Module(it) => docs_from_ast(&it.declaration_source(db)?.value),
+        DocDef::StructField(it) => match it.source(db).value {
             FieldSource::Named(named) => docs_from_ast(&named),
             FieldSource::Pos(..) => None,
         },
         DocDef::Adt(it) => match it {
-            Adt::Struct(it) => docs_from_ast(&it.source(db).ast),
-            Adt::Enum(it) => docs_from_ast(&it.source(db).ast),
-            Adt::Union(it) => docs_from_ast(&it.source(db).ast),
+            Adt::Struct(it) => docs_from_ast(&it.source(db).value),
+            Adt::Enum(it) => docs_from_ast(&it.source(db).value),
+            Adt::Union(it) => docs_from_ast(&it.source(db).value),
         },
-        DocDef::EnumVariant(it) => docs_from_ast(&it.source(db).ast),
-        DocDef::Static(it) => docs_from_ast(&it.source(db).ast),
-        DocDef::Const(it) => docs_from_ast(&it.source(db).ast),
-        DocDef::Function(it) => docs_from_ast(&it.source(db).ast),
-        DocDef::Trait(it) => docs_from_ast(&it.source(db).ast),
-        DocDef::TypeAlias(it) => docs_from_ast(&it.source(db).ast),
-        DocDef::MacroDef(it) => docs_from_ast(&it.source(db).ast),
+        DocDef::EnumVariant(it) => docs_from_ast(&it.source(db).value),
+        DocDef::Static(it) => docs_from_ast(&it.source(db).value),
+        DocDef::Const(it) => docs_from_ast(&it.source(db).value),
+        DocDef::Function(it) => docs_from_ast(&it.source(db).value),
+        DocDef::Trait(it) => docs_from_ast(&it.source(db).value),
+        DocDef::TypeAlias(it) => docs_from_ast(&it.source(db).value),
+        DocDef::MacroDef(it) => docs_from_ast(&it.source(db).value),
     }
 }
 
diff --git a/crates/ra_hir/src/code_model/src.rs b/crates/ra_hir/src/code_model/src.rs
index 247ae3e55..556417b0f 100644
--- a/crates/ra_hir/src/code_model/src.rs
+++ b/crates/ra_hir/src/code_model/src.rs
@@ -25,9 +25,9 @@ impl Module {
         let def_map = db.crate_def_map(self.id.krate);
         let decl_id = def_map[self.id.module_id].declaration;
         let file_id = def_map[self.id.module_id].definition;
-        let ast = ModuleSource::new(db, file_id, decl_id);
+        let value = ModuleSource::new(db, file_id, decl_id);
         let file_id = file_id.map(HirFileId::from).unwrap_or_else(|| decl_id.unwrap().file_id());
-        Source { file_id, ast }
+        Source { file_id, value }
     }
 
     /// Returns a node which declares this module, either a `mod foo;` or a `mod foo {}`.
@@ -38,8 +38,8 @@ impl Module {
     ) -> Option<Source<ast::Module>> {
         let def_map = db.crate_def_map(self.id.krate);
         let decl = def_map[self.id.module_id].declaration?;
-        let ast = decl.to_node(db);
-        Some(Source { file_id: decl.file_id(), ast })
+        let value = decl.to_node(db);
+        Some(Source { file_id: decl.file_id(), value })
     }
 }
 
@@ -53,11 +53,11 @@ impl HasSource for StructField {
         let (file_id, struct_kind) = match self.parent {
             VariantDef::Struct(s) => {
                 ss = s.source(db);
-                (ss.file_id, ss.ast.kind())
+                (ss.file_id, ss.value.kind())
             }
             VariantDef::EnumVariant(e) => {
                 es = e.source(db);
-                (es.file_id, es.ast.kind())
+                (es.file_id, es.value.kind())
             }
         };
 
@@ -66,13 +66,13 @@ impl HasSource for StructField {
             ast::StructKind::Named(fl) => fl.fields().map(|it| FieldSource::Named(it)).collect(),
             ast::StructKind::Unit => Vec::new(),
         };
-        let ast = field_sources
+        let value = field_sources
             .into_iter()
             .zip(fields.iter())
             .find(|(_syntax, (id, _))| *id == self.id)
             .unwrap()
             .0;
-        Source { file_id, ast }
+        Source { file_id, value }
     }
 }
 impl HasSource for Struct {
@@ -98,8 +98,8 @@ impl HasSource for EnumVariant {
     fn source(self, db: &(impl DefDatabase + AstDatabase)) -> Source<ast::EnumVariant> {
         let enum_data = db.enum_data(self.parent.id);
         let src = self.parent.id.source(db);
-        let ast = src
-            .ast
+        let value = src
+            .value
             .variant_list()
             .into_iter()
             .flat_map(|it| it.variants())
@@ -107,7 +107,7 @@ impl HasSource for EnumVariant {
             .find(|(_syntax, (id, _))| *id == self.id)
             .unwrap()
             .0;
-        Source { file_id: src.file_id, ast }
+        Source { file_id: src.file_id, value }
     }
 }
 impl HasSource for Function {
@@ -143,7 +143,7 @@ impl HasSource for TypeAlias {
 impl HasSource for MacroDef {
     type Ast = ast::MacroCall;
     fn source(self, db: &(impl DefDatabase + AstDatabase)) -> Source<ast::MacroCall> {
-        Source { file_id: self.id.ast_id.file_id(), ast: self.id.ast_id.to_node(db) }
+        Source { file_id: self.id.ast_id.file_id(), value: self.id.ast_id.to_node(db) }
     }
 }
 
diff --git a/crates/ra_hir/src/diagnostics.rs b/crates/ra_hir/src/diagnostics.rs
index 1751e7be3..7d1b64858 100644
--- a/crates/ra_hir/src/diagnostics.rs
+++ b/crates/ra_hir/src/diagnostics.rs
@@ -21,7 +21,7 @@ impl Diagnostic for NoSuchField {
     }
 
     fn source(&self) -> Source<SyntaxNodePtr> {
-        Source { file_id: self.file, ast: self.field.into() }
+        Source { file_id: self.file, value: self.field.into() }
     }
 
     fn as_any(&self) -> &(dyn Any + Send + 'static) {
@@ -41,7 +41,7 @@ impl Diagnostic for MissingFields {
         "fill structure fields".to_string()
     }
     fn source(&self) -> Source<SyntaxNodePtr> {
-        Source { file_id: self.file, ast: self.field_list.into() }
+        Source { file_id: self.file, value: self.field_list.into() }
     }
     fn as_any(&self) -> &(dyn Any + Send + 'static) {
         self
@@ -53,7 +53,7 @@ impl AstDiagnostic for MissingFields {
 
     fn ast(&self, db: &impl AstDatabase) -> Self::AST {
         let root = db.parse_or_expand(self.source().file_id).unwrap();
-        let node = self.source().ast.to_node(&root);
+        let node = self.source().value.to_node(&root);
         ast::RecordFieldList::cast(node).unwrap()
     }
 }
@@ -69,7 +69,7 @@ impl Diagnostic for MissingOkInTailExpr {
         "wrap return expression in Ok".to_string()
     }
     fn source(&self) -> Source<SyntaxNodePtr> {
-        Source { file_id: self.file, ast: self.expr.into() }
+        Source { file_id: self.file, value: self.expr.into() }
     }
     fn as_any(&self) -> &(dyn Any + Send + 'static) {
         self
@@ -81,7 +81,7 @@ impl AstDiagnostic for MissingOkInTailExpr {
 
     fn ast(&self, db: &impl AstDatabase) -> Self::AST {
         let root = db.parse_or_expand(self.file).unwrap();
-        let node = self.source().ast.to_node(&root);
+        let node = self.source().value.to_node(&root);
         ast::Expr::cast(node).unwrap()
     }
 }
diff --git a/crates/ra_hir/src/expr.rs b/crates/ra_hir/src/expr.rs
index e3733779e..8bfdda45e 100644
--- a/crates/ra_hir/src/expr.rs
+++ b/crates/ra_hir/src/expr.rs
@@ -116,7 +116,7 @@ impl<'a, 'b> ExprValidator<'a, 'b> {
         let source_map = self.func.body_source_map(db);
 
         if let Some(source_ptr) = source_map.expr_syntax(id) {
-            if let Some(expr) = source_ptr.ast.a() {
+            if let Some(expr) = source_ptr.value.a() {
                 let root = source_ptr.file_syntax(db);
                 if let ast::Expr::RecordLit(record_lit) = expr.to_node(&root) {
                     if let Some(field_list) = record_lit.record_field_list() {
@@ -161,7 +161,7 @@ impl<'a, 'b> ExprValidator<'a, 'b> {
             let source_map = self.func.body_source_map(db);
 
             if let Some(source_ptr) = source_map.expr_syntax(id) {
-                if let Some(expr) = source_ptr.ast.a() {
+                if let Some(expr) = source_ptr.value.a() {
                     self.sink.push(MissingOkInTailExpr { file: source_ptr.file_id, expr });
                 }
             }
diff --git a/crates/ra_hir/src/from_source.rs b/crates/ra_hir/src/from_source.rs
index 1c26756c9..f4dca25cb 100644
--- a/crates/ra_hir/src/from_source.rs
+++ b/crates/ra_hir/src/from_source.rs
@@ -87,7 +87,7 @@ impl FromSource for MacroDef {
         let module = Module::from_definition(db, Source::new(src.file_id, module_src))?;
         let krate = module.krate().crate_id();
 
-        let ast_id = AstId::new(src.file_id, db.ast_id_map(src.file_id).ast_id(&src.ast));
+        let ast_id = AstId::new(src.file_id, db.ast_id_map(src.file_id).ast_id(&src.value));
 
         let id: MacroDefId = MacroDefId { krate, ast_id, kind };
         Some(MacroDef { id })
@@ -105,8 +105,8 @@ impl FromSource for ImplBlock {
 impl FromSource for EnumVariant {
     type Ast = ast::EnumVariant;
     fn from_source(db: &(impl DefDatabase + AstDatabase), src: Source<Self::Ast>) -> Option<Self> {
-        let parent_enum = src.ast.parent_enum();
-        let src_enum = Source { file_id: src.file_id, ast: parent_enum };
+        let parent_enum = src.value.parent_enum();
+        let src_enum = Source { file_id: src.file_id, value: parent_enum };
         let variants = Enum::from_source(db, src_enum)?.variants(db);
         variants.into_iter().find(|v| v.source(db) == src)
     }
@@ -115,16 +115,16 @@ impl FromSource for EnumVariant {
 impl FromSource for StructField {
     type Ast = FieldSource;
     fn from_source(db: &(impl DefDatabase + AstDatabase), src: Source<Self::Ast>) -> Option<Self> {
-        let variant_def: VariantDef = match src.ast {
+        let variant_def: VariantDef = match src.value {
             FieldSource::Named(ref field) => {
-                let ast = field.syntax().ancestors().find_map(ast::StructDef::cast)?;
-                let src = Source { file_id: src.file_id, ast };
+                let value = field.syntax().ancestors().find_map(ast::StructDef::cast)?;
+                let src = Source { file_id: src.file_id, value };
                 let def = Struct::from_source(db, src)?;
                 VariantDef::from(def)
             }
             FieldSource::Pos(ref field) => {
-                let ast = field.syntax().ancestors().find_map(ast::EnumVariant::cast)?;
-                let src = Source { file_id: src.file_id, ast };
+                let value = field.syntax().ancestors().find_map(ast::EnumVariant::cast)?;
+                let src = Source { file_id: src.file_id, value };
                 let def = EnumVariant::from_source(db, src)?;
                 VariantDef::from(def)
             }
@@ -142,12 +142,12 @@ impl FromSource for StructField {
 impl Local {
     pub fn from_source(db: &impl HirDatabase, src: Source<ast::BindPat>) -> Option<Self> {
         let file_id = src.file_id;
-        let parent: DefWithBody = src.ast.syntax().ancestors().find_map(|it| {
+        let parent: DefWithBody = src.value.syntax().ancestors().find_map(|it| {
             let res = match_ast! {
                 match it {
-                    ast::ConstDef(ast) => { Const::from_source(db, Source { ast, file_id})?.into() },
-                    ast::StaticDef(ast) => { Static::from_source(db, Source { ast, file_id})?.into() },
-                    ast::FnDef(ast) => { Function::from_source(db, Source { ast, file_id})?.into() },
+                    ast::ConstDef(value) => { Const::from_source(db, Source { value, file_id})?.into() },
+                    ast::StaticDef(value) => { Static::from_source(db, Source { value, file_id})?.into() },
+                    ast::FnDef(value) => { Function::from_source(db, Source { value, file_id})?.into() },
                     _ => return None,
                 }
             };
@@ -162,33 +162,33 @@ impl Local {
 
 impl Module {
     pub fn from_declaration(db: &impl DefDatabase, src: Source<ast::Module>) -> Option<Self> {
-        let parent_declaration = src.ast.syntax().ancestors().skip(1).find_map(ast::Module::cast);
+        let parent_declaration = src.value.syntax().ancestors().skip(1).find_map(ast::Module::cast);
 
         let parent_module = match parent_declaration {
             Some(parent_declaration) => {
-                let src_parent = Source { file_id: src.file_id, ast: parent_declaration };
+                let src_parent = Source { file_id: src.file_id, value: parent_declaration };
                 Module::from_declaration(db, src_parent)
             }
             _ => {
                 let src_parent = Source {
                     file_id: src.file_id,
-                    ast: ModuleSource::new(db, Some(src.file_id.original_file(db)), None),
+                    value: ModuleSource::new(db, Some(src.file_id.original_file(db)), None),
                 };
                 Module::from_definition(db, src_parent)
             }
         }?;
 
-        let child_name = src.ast.name()?;
+        let child_name = src.value.name()?;
         parent_module.child(db, &child_name.as_name())
     }
 
     pub fn from_definition(db: &impl DefDatabase, src: Source<ModuleSource>) -> Option<Self> {
-        match src.ast {
+        match src.value {
             ModuleSource::Module(ref module) => {
                 assert!(!module.has_semi());
                 return Module::from_declaration(
                     db,
-                    Source { file_id: src.file_id, ast: module.clone() },
+                    Source { file_id: src.file_id, value: module.clone() },
                 );
             }
             ModuleSource::SourceFile(_) => (),
@@ -214,5 +214,5 @@ where
     let module_src = ModuleSource::from_child_node(db, src.as_ref().map(|it| it.syntax()));
     let module = Module::from_definition(db, Source::new(src.file_id, module_src))?;
     let ctx = LocationCtx::new(db, module.id, src.file_id);
-    Some(DEF::from_ast(ctx, &src.ast))
+    Some(DEF::from_ast(ctx, &src.value))
 }
diff --git a/crates/ra_hir/src/generics.rs b/crates/ra_hir/src/generics.rs
index c35482ae8..8925ba3a9 100644
--- a/crates/ra_hir/src/generics.rs
+++ b/crates/ra_hir/src/generics.rs
@@ -91,10 +91,10 @@ impl GenericParams {
         let start = generics.parent_params.as_ref().map(|p| p.params.len()).unwrap_or(0) as u32;
         // FIXME: add `: Sized` bound for everything except for `Self` in traits
         match def {
-            GenericDef::Function(it) => generics.fill(&it.source(db).ast, start),
-            GenericDef::Adt(Adt::Struct(it)) => generics.fill(&it.source(db).ast, start),
-            GenericDef::Adt(Adt::Union(it)) => generics.fill(&it.source(db).ast, start),
-            GenericDef::Adt(Adt::Enum(it)) => generics.fill(&it.source(db).ast, start),
+            GenericDef::Function(it) => generics.fill(&it.source(db).value, start),
+            GenericDef::Adt(Adt::Struct(it)) => generics.fill(&it.source(db).value, start),
+            GenericDef::Adt(Adt::Union(it)) => generics.fill(&it.source(db).value, start),
+            GenericDef::Adt(Adt::Enum(it)) => generics.fill(&it.source(db).value, start),
             GenericDef::Trait(it) => {
                 // traits get the Self type as an implicit first type parameter
                 generics.params.push(GenericParam {
@@ -102,17 +102,17 @@ impl GenericParams {
                     name: name::SELF_TYPE,
                     default: None,
                 });
-                generics.fill(&it.source(db).ast, start + 1);
+                generics.fill(&it.source(db).value, start + 1);
                 // add super traits as bounds on Self
                 // i.e., trait Foo: Bar is equivalent to trait Foo where Self: Bar
                 let self_param = TypeRef::Path(name::SELF_TYPE.into());
-                generics.fill_bounds(&it.source(db).ast, self_param);
+                generics.fill_bounds(&it.source(db).value, self_param);
             }
-            GenericDef::TypeAlias(it) => generics.fill(&it.source(db).ast, start),
+            GenericDef::TypeAlias(it) => generics.fill(&it.source(db).value, start),
             // Note that we don't add `Self` here: in `impl`s, `Self` is not a
             // type-parameter, but rather is a type-alias for impl's target
             // type, so this is handled by the resolver.
-            GenericDef::ImplBlock(it) => generics.fill(&it.source(db).ast, start),
+            GenericDef::ImplBlock(it) => generics.fill(&it.source(db).value, start),
             GenericDef::EnumVariant(_) | GenericDef::Const(_) => {}
         }
 
diff --git a/crates/ra_hir/src/lang_item.rs b/crates/ra_hir/src/lang_item.rs
index fa2ef8a17..89fd85f59 100644
--- a/crates/ra_hir/src/lang_item.rs
+++ b/crates/ra_hir/src/lang_item.rs
@@ -97,7 +97,7 @@ impl LangItems {
         // Look for impl targets
         for impl_block in module.impl_blocks(db) {
             let src = impl_block.source(db);
-            if let Some(lang_item_name) = lang_item_name(&src.ast) {
+            if let Some(lang_item_name) = lang_item_name(&src.value) {
                 self.items
                     .entry(lang_item_name)
                     .or_insert_with(|| LangItemTarget::ImplBlock(impl_block));
@@ -144,7 +144,7 @@ impl LangItems {
         T: Copy + HasSource<Ast = N>,
         N: AttrsOwner,
     {
-        let node = item.source(db).ast;
+        let node = item.source(db).value;
         if let Some(lang_item_name) = lang_item_name(&node) {
             self.items.entry(lang_item_name).or_insert_with(|| constructor(item));
         }
diff --git a/crates/ra_hir/src/source_binder.rs b/crates/ra_hir/src/source_binder.rs
index 5d3196c2a..471b0b089 100644
--- a/crates/ra_hir/src/source_binder.rs
+++ b/crates/ra_hir/src/source_binder.rs
@@ -31,7 +31,7 @@ use crate::{
 
 fn try_get_resolver_for_node(db: &impl HirDatabase, node: Source<&SyntaxNode>) -> Option<Resolver> {
     match_ast! {
-        match (node.ast) {
+        match (node.value) {
             ast::Module(it) => {
                 let src = node.with_ast(it);
                 Some(crate::Module::from_declaration(db, src)?.resolver(db))
@@ -48,7 +48,7 @@ fn try_get_resolver_for_node(db: &impl HirDatabase, node: Source<&SyntaxNode>) -
                 let src = node.with_ast(it);
                 Some(Enum::from_source(db, src)?.resolver(db))
             },
-            _ => match node.ast.kind() {
+            _ => match node.value.kind() {
                 FN_DEF | CONST_DEF | STATIC_DEF => {
                     Some(def_with_body_from_child_node(db, node)?.resolver(db))
                 }
@@ -67,7 +67,7 @@ fn def_with_body_from_child_node(
     let module = Module::from_definition(db, Source::new(child.file_id, module_source))?;
     let ctx = LocationCtx::new(db, module.id, child.file_id);
 
-    child.ast.ancestors().find_map(|node| {
+    child.value.ancestors().find_map(|node| {
         match_ast! {
             match node {
                 ast::FnDef(def)  => { Some(Function {id: ctx.to_def(&def) }.into()) },
@@ -171,7 +171,7 @@ impl SourceAnalyzer {
         } else {
             SourceAnalyzer {
                 resolver: node
-                    .ast
+                    .value
                     .ancestors()
                     .find_map(|it| try_get_resolver_for_node(db, node.with_ast(&it)))
                     .unwrap_or_default(),
@@ -185,12 +185,12 @@ impl SourceAnalyzer {
     }
 
     fn expr_id(&self, expr: &ast::Expr) -> Option<ExprId> {
-        let src = Source { file_id: self.file_id, ast: expr };
+        let src = Source { file_id: self.file_id, value: expr };
         self.body_source_map.as_ref()?.node_expr(src)
     }
 
     fn pat_id(&self, pat: &ast::Pat) -> Option<PatId> {
-        let src = Source { file_id: self.file_id, ast: pat };
+        let src = Source { file_id: self.file_id, value: pat };
         self.body_source_map.as_ref()?.node_pat(src)
     }
 
@@ -302,7 +302,7 @@ impl SourceAnalyzer {
         let entry = scopes.resolve_name_in_scope(scope, &name)?;
         Some(ScopeEntryWithSyntax {
             name: entry.name().clone(),
-            ptr: source_map.pat_syntax(entry.pat())?.ast,
+            ptr: source_map.pat_syntax(entry.pat())?.value,
         })
     }
 
@@ -428,7 +428,7 @@ fn scope_for(
     source_map: &BodySourceMap,
     node: Source<&SyntaxNode>,
 ) -> Option<ScopeId> {
-    node.ast
+    node.value
         .ancestors()
         .filter_map(ast::Expr::cast)
         .filter_map(|it| source_map.node_expr(Source::new(node.file_id, &it)))
@@ -450,18 +450,18 @@ fn scope_for_offset(
                 return None;
             }
             let syntax_node_ptr =
-                source.ast.either(|it| it.syntax_node_ptr(), |it| it.syntax_node_ptr());
+                source.value.either(|it| it.syntax_node_ptr(), |it| it.syntax_node_ptr());
             Some((syntax_node_ptr, scope))
         })
         // find containing scope
         .min_by_key(|(ptr, _scope)| {
             (
-                !(ptr.range().start() <= offset.ast && offset.ast <= ptr.range().end()),
+                !(ptr.range().start() <= offset.value && offset.value <= ptr.range().end()),
                 ptr.range().len(),
             )
         })
         .map(|(ptr, scope)| {
-            adjust(scopes, source_map, ptr, offset.file_id, offset.ast).unwrap_or(*scope)
+            adjust(scopes, source_map, ptr, offset.file_id, offset.value).unwrap_or(*scope)
         })
 }
 
@@ -485,7 +485,7 @@ fn adjust(
                 return None;
             }
             let syntax_node_ptr =
-                source.ast.either(|it| it.syntax_node_ptr(), |it| it.syntax_node_ptr());
+                source.value.either(|it| it.syntax_node_ptr(), |it| it.syntax_node_ptr());
             Some((syntax_node_ptr, scope))
         })
         .map(|(ptr, scope)| (ptr.range(), scope))
diff --git a/crates/ra_hir/src/traits.rs b/crates/ra_hir/src/traits.rs
index 1a45dacba..858972c6f 100644
--- a/crates/ra_hir/src/traits.rs
+++ b/crates/ra_hir/src/traits.rs
@@ -26,11 +26,11 @@ impl TraitData {
         tr: Trait,
     ) -> Arc<TraitData> {
         let src = tr.source(db);
-        let name = src.ast.name().map(|n| n.as_name());
+        let name = src.value.name().map(|n| n.as_name());
         let module = tr.module(db);
         let ctx = LocationCtx::new(db, module.id, src.file_id);
-        let auto = src.ast.is_auto();
-        let items = if let Some(item_list) = src.ast.item_list() {
+        let auto = src.value.is_auto();
+        let items = if let Some(item_list) = src.value.item_list() {
             item_list
                 .impl_items()
                 .map(|item_node| match item_node {
diff --git a/crates/ra_hir/src/ty/tests.rs b/crates/ra_hir/src/ty/tests.rs
index ca1693679..c1024d03c 100644
--- a/crates/ra_hir/src/ty/tests.rs
+++ b/crates/ra_hir/src/ty/tests.rs
@@ -4694,14 +4694,16 @@ fn infer(content: &str) -> String {
         }
 
         // sort ranges for consistency
-        types.sort_by_key(|(src_ptr, _)| (src_ptr.ast.range().start(), src_ptr.ast.range().end()));
+        types.sort_by_key(|(src_ptr, _)| {
+            (src_ptr.value.range().start(), src_ptr.value.range().end())
+        });
         for (src_ptr, ty) in &types {
-            let node = src_ptr.ast.to_node(&src_ptr.file_syntax(&db));
+            let node = src_ptr.value.to_node(&src_ptr.file_syntax(&db));
 
             let (range, text) = if let Some(self_param) = ast::SelfParam::cast(node.clone()) {
                 (self_param.self_kw_token().text_range(), "self".to_string())
             } else {
-                (src_ptr.ast.range(), node.text().to_string().replace("\n", " "))
+                (src_ptr.value.range(), node.text().to_string().replace("\n", " "))
             };
             let macro_prefix = if src_ptr.file_id != file_id.into() { "!" } else { "" };
             write!(
diff --git a/crates/ra_hir/src/type_alias.rs b/crates/ra_hir/src/type_alias.rs
index 078e6295e..392f244cf 100644
--- a/crates/ra_hir/src/type_alias.rs
+++ b/crates/ra_hir/src/type_alias.rs
@@ -23,7 +23,7 @@ impl TypeAliasData {
         db: &(impl DefDatabase + AstDatabase),
         typ: TypeAlias,
     ) -> Arc<TypeAliasData> {
-        let node = typ.source(db).ast;
+        let node = typ.source(db).value;
         let name = node.name().map_or_else(Name::missing, |n| n.as_name());
         let type_ref = node.type_ref().map(TypeRef::from_ast);
         Arc::new(TypeAliasData { name, type_ref })