introduce SymbolsDatabase

crates/ra_analysis/src/db.rs

@@ -7,7 +7,7 @@ use salsa::{self, Database};
 
 use crate::{
     hir,
-    symbol_index::SymbolIndex,
+    symbol_index,
     loc2id::{IdMaps},
     Cancelable, Canceled, FileId,
 };
@@ -114,23 +114,25 @@ salsa::database_storage! {
             fn file_source_root() for crate::input::FileSourceRootQuery;
             fn source_root() for crate::input::SourceRootQuery;
             fn libraries() for crate::input::LibrariesQuery;
-            fn library_symbols() for crate::input::LibrarySymbolsQuery;
             fn crate_graph() for crate::input::CrateGraphQuery;
         }
         impl SyntaxDatabase {
             fn file_syntax() for FileSyntaxQuery;
             fn file_lines() for FileLinesQuery;
-            fn file_symbols() for FileSymbolsQuery;
+        }
+        impl symbol_index::SymbolsDatabase {
+            fn file_symbols() for symbol_index::FileSymbolsQuery;
+            fn library_symbols() for symbol_index::LibrarySymbolsQuery;
         }
         impl hir::db::HirDatabase {
             fn module_tree() for hir::db::ModuleTreeQuery;
             fn fn_scopes() for hir::db::FnScopesQuery;
-            fn _file_items() for hir::db::SourceFileItemsQuery;
-            fn _file_item() for hir::db::FileItemQuery;
-            fn _input_module_items() for hir::db::InputModuleItemsQuery;
-            fn _item_map() for hir::db::ItemMapQuery;
-            fn _fn_syntax() for hir::db::FnSyntaxQuery;
-            fn _submodules() for hir::db::SubmodulesQuery;
+            fn file_items() for hir::db::SourceFileItemsQuery;
+            fn file_item() for hir::db::FileItemQuery;
+            fn input_module_items() for hir::db::InputModuleItemsQuery;
+            fn item_map() for hir::db::ItemMapQuery;
+            fn fn_syntax() for hir::db::FnSyntaxQuery;
+            fn submodules() for hir::db::SubmodulesQuery;
         }
     }
 }
@@ -143,9 +145,6 @@ salsa::query_group! {
         fn file_lines(file_id: FileId) -> Arc<LineIndex> {
             type FileLinesQuery;
         }
-        fn file_symbols(file_id: FileId) -> Cancelable<Arc<SymbolIndex>> {
-            type FileSymbolsQuery;
-        }
     }
 }
 
@@ -157,8 +156,3 @@ fn file_lines(db: &impl SyntaxDatabase, file_id: FileId) -> Arc<LineIndex> {
     let text = db.file_text(file_id);
     Arc::new(LineIndex::new(&*text))
 }
-fn file_symbols(db: &impl SyntaxDatabase, file_id: FileId) -> Cancelable<Arc<SymbolIndex>> {
-    db.check_canceled()?;
-    let syntax = db.file_syntax(file_id);
-    Ok(Arc::new(SymbolIndex::for_file(file_id, syntax)))
-}

crates/ra_analysis/src/imp.rs

@@ -25,7 +25,7 @@ use crate::{
         Problem,
     },
     input::{FilesDatabase, SourceRoot, SourceRootId, WORKSPACE},
-    symbol_index::SymbolIndex,
+    symbol_index::{SymbolIndex, SymbolsDatabase},
     AnalysisChange, Cancelable, CrateGraph, CrateId, Diagnostic, FileId, FileResolver,
     FileSystemEdit, FilePosition, Query, SourceChange, SourceFileNodeEdit,
 };
@@ -161,7 +161,7 @@ impl AnalysisHostImpl {
                     .query_mut(crate::input::SourceRootQuery)
                     .set(source_root_id, Arc::new(source_root));
                 self.db
-                    .query_mut(crate::input::LibrarySymbolsQuery)
+                    .query_mut(crate::symbol_index::LibrarySymbolsQuery)
                     .set(source_root_id, Arc::new(library.symbol_index));
             }
             self.db

crates/ra_analysis/src/input.rs

@@ -5,7 +5,7 @@ use rustc_hash::FxHashMap;
 use rustc_hash::FxHashSet;
 use salsa;
 
-use crate::{symbol_index::SymbolIndex, FileResolverImp};
+use crate::FileResolverImp;
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
 pub struct FileId(pub u32);
@@ -56,10 +56,6 @@ salsa::query_group! {
             type LibrariesQuery;
             storage input;
         }
-        fn library_symbols(id: SourceRootId) -> Arc<SymbolIndex> {
-            type LibrarySymbolsQuery;
-            storage input;
-        }
         fn crate_graph() -> Arc<CrateGraph> {
             type CrateGraphQuery;
             storage input;

crates/ra_analysis/src/symbol_index.rs

@@ -4,14 +4,37 @@ use std::{
 };
 
 use fst::{self, Streamer};
-use ra_editor::{file_symbols, FileSymbol};
+use ra_editor::{self, FileSymbol};
 use ra_syntax::{
     SourceFileNode,
     SyntaxKind::{self, *},
 };
 use rayon::prelude::*;
 
-use crate::{FileId, Query};
+use crate::{
+    Cancelable,
+    FileId, Query,
+    db::SyntaxDatabase,
+    input::SourceRootId,
+};
+
+salsa::query_group! {
+    pub(crate) trait SymbolsDatabase: SyntaxDatabase {
+        fn file_symbols(file_id: FileId) -> Cancelable<Arc<SymbolIndex>> {
+            type FileSymbolsQuery;
+        }
+        fn library_symbols(id: SourceRootId) -> Arc<SymbolIndex> {
+            type LibrarySymbolsQuery;
+            storage input;
+        }
+    }
+}
+
+fn file_symbols(db: &impl SyntaxDatabase, file_id: FileId) -> Cancelable<Arc<SymbolIndex>> {
+    db.check_canceled()?;
+    let syntax = db.file_syntax(file_id);
+    Ok(Arc::new(SymbolIndex::for_file(file_id, syntax)))
+}
 
 #[derive(Default, Debug)]
 pub(crate) struct SymbolIndex {
@@ -39,7 +62,7 @@ impl SymbolIndex {
     ) -> SymbolIndex {
         let mut symbols = files
             .flat_map(|(file_id, file)| {
-                file_symbols(&file)
+                ra_editor::file_symbols(&file)
                     .into_iter()
                     .map(move |symbol| (symbol.name.as_str().to_lowercase(), (file_id, symbol)))
                     .collect::<Vec<_>>()