move world-symbols to file_symbols

crates/ra_analysis/src/imp.rs

@@ -3,7 +3,6 @@
     sync::Arc,
 };
 
-use rayon::prelude::*;
 use salsa::{Database, ParallelDatabase};
 
 use hir::{
@@ -25,7 +24,7 @@
     completion::{CompletionItem, completions},
     CrateId, db, Diagnostic, FileId, FilePosition, FileRange, FileSystemEdit,
     Query, ReferenceResolution, RootChange, SourceChange, SourceFileEdit,
-    symbol_index::{LibrarySymbolsQuery, SymbolIndex, SymbolsDatabase, FileSymbol},
+    symbol_index::{LibrarySymbolsQuery, FileSymbol},
 };
 
 #[derive(Debug, Default)]
@@ -149,39 +148,6 @@ pub fn file_syntax(&self, file_id: FileId) -> SourceFileNode {
     pub fn file_line_index(&self, file_id: FileId) -> Arc<LineIndex> {
         self.db.file_lines(file_id)
     }
-    pub fn world_symbols(&self, query: Query) -> Cancelable<Vec<(FileId, FileSymbol)>> {
-        /// Need to wrap Snapshot to provide `Clone` impl for `map_with`
-        struct Snap(salsa::Snapshot<db::RootDatabase>);
-        impl Clone for Snap {
-            fn clone(&self) -> Snap {
-                Snap(self.0.snapshot())
-            }
-        }
-
-        let buf: Vec<Arc<SymbolIndex>> = if query.libs {
-            let snap = Snap(self.db.snapshot());
-            self.db
-                .library_roots()
-                .par_iter()
-                .map_with(snap, |db, &lib_id| db.0.library_symbols(lib_id))
-                .collect()
-        } else {
-            let mut files = Vec::new();
-            for &root in self.db.local_roots().iter() {
-                let sr = self.db.source_root(root);
-                files.extend(sr.files.values().map(|&it| it))
-            }
-
-            let snap = Snap(self.db.snapshot());
-            files
-                .par_iter()
-                .map_with(snap, |db, &file_id| db.0.file_symbols(file_id))
-                .filter_map(|it| it.ok())
-                .collect()
-        };
-        Ok(query.search(&buf))
-    }
-
     pub(crate) fn module_path(&self, position: FilePosition) -> Cancelable<Option<String>> {
         let descr = match source_binder::module_from_position(&*self.db, position)? {
             None => return Ok(None),
@@ -555,7 +521,7 @@ fn index_resolve(&self, name_ref: ast::NameRef) -> Cancelable<Vec<(FileId, FileS
         let mut query = Query::new(name.to_string());
         query.exact();
         query.limit(4);
-        self.world_symbols(query)
+        crate::symbol_index::world_symbols(&*self.db, query)
     }
 }
 

crates/ra_analysis/src/lib.rs

@@ -342,9 +342,7 @@ pub fn folding_ranges(&self, file_id: FileId) -> Vec<Fold> {
         ra_editor::folding_ranges(&file)
     }
     pub fn symbol_search(&self, query: Query) -> Cancelable<Vec<NavigationTarget>> {
-        let res = self
-            .imp
-            .world_symbols(query)?
+        let res = symbol_index::world_symbols(&*self.imp.db, query)?
             .into_iter()
             .map(|(file_id, symbol)| NavigationTarget { file_id, symbol })
             .collect();

crates/ra_analysis/src/symbol_index.rs

@@ -10,12 +10,13 @@
     SyntaxKind::{self, *},
     ast::{self, NameOwner, DocCommentsOwner},
 };
-use ra_db::{SyntaxDatabase, SourceRootId};
+use ra_db::{SyntaxDatabase, SourceRootId, FilesDatabase};
+use salsa::ParallelDatabase;
 use rayon::prelude::*;
 
 use crate::{
-    Cancelable,
-    FileId, Query,
+    Cancelable, FileId, Query,
+    db::RootDatabase,
 };
 
 salsa::query_group! {
@@ -36,6 +37,41 @@ fn file_symbols(db: &impl SyntaxDatabase, file_id: FileId) -> Cancelable<Arc<Sym
     Ok(Arc::new(SymbolIndex::for_file(file_id, syntax)))
 }
 
+pub(crate) fn world_symbols(
+    db: &RootDatabase,
+    query: Query,
+) -> Cancelable<Vec<(FileId, FileSymbol)>> {
+    /// Need to wrap Snapshot to provide `Clone` impl for `map_with`
+    struct Snap(salsa::Snapshot<RootDatabase>);
+    impl Clone for Snap {
+        fn clone(&self) -> Snap {
+            Snap(self.0.snapshot())
+        }
+    }
+
+    let buf: Vec<Arc<SymbolIndex>> = if query.libs {
+        let snap = Snap(db.snapshot());
+        db.library_roots()
+            .par_iter()
+            .map_with(snap, |db, &lib_id| db.0.library_symbols(lib_id))
+            .collect()
+    } else {
+        let mut files = Vec::new();
+        for &root in db.local_roots().iter() {
+            let sr = db.source_root(root);
+            files.extend(sr.files.values().map(|&it| it))
+        }
+
+        let snap = Snap(db.snapshot());
+        files
+            .par_iter()
+            .map_with(snap, |db, &file_id| db.0.file_symbols(file_id))
+            .filter_map(|it| it.ok())
+            .collect()
+    };
+    Ok(query.search(&buf))
+}
+
 #[derive(Default, Debug)]
 pub(crate) struct SymbolIndex {
     symbols: Vec<(FileId, FileSymbol)>,