From 551f33d754c5131f548baee4f58fd5892a9c7efc Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Thu, 6 Feb 2020 12:08:08 +0100
Subject: Move ide-db

---
 crates/ra_ide/src/db.rs | 133 +-----------------------------------------------
 1 file changed, 1 insertion(+), 132 deletions(-)

(limited to 'crates/ra_ide/src/db.rs')

diff --git a/crates/ra_ide/src/db.rs b/crates/ra_ide/src/db.rs
index 47d0aed6f..2849cdb02 100644
--- a/crates/ra_ide/src/db.rs
+++ b/crates/ra_ide/src/db.rs
@@ -1,132 +1 @@
-//! FIXME: write short doc here
-
-use std::sync::Arc;
-
-use ra_db::{
-    salsa::{self, Database, Durability},
-    Canceled, CheckCanceled, CrateId, FileId, FileLoader, FileLoaderDelegate, RelativePath,
-    SourceDatabase, SourceRootId,
-};
-use rustc_hash::FxHashMap;
-
-use crate::{
-    symbol_index::{self, SymbolsDatabase},
-    FeatureFlags, LineIndex,
-};
-
-#[salsa::database(
-    ra_db::SourceDatabaseStorage,
-    ra_db::SourceDatabaseExtStorage,
-    LineIndexDatabaseStorage,
-    symbol_index::SymbolsDatabaseStorage,
-    hir::db::InternDatabaseStorage,
-    hir::db::AstDatabaseStorage,
-    hir::db::DefDatabaseStorage,
-    hir::db::HirDatabaseStorage
-)]
-#[derive(Debug)]
-pub(crate) struct RootDatabase {
-    runtime: salsa::Runtime<RootDatabase>,
-    pub(crate) feature_flags: Arc<FeatureFlags>,
-    pub(crate) debug_data: Arc<DebugData>,
-    pub(crate) last_gc: crate::wasm_shims::Instant,
-    pub(crate) last_gc_check: crate::wasm_shims::Instant,
-}
-
-impl FileLoader for RootDatabase {
-    fn file_text(&self, file_id: FileId) -> Arc<String> {
-        FileLoaderDelegate(self).file_text(file_id)
-    }
-    fn resolve_relative_path(
-        &self,
-        anchor: FileId,
-        relative_path: &RelativePath,
-    ) -> Option<FileId> {
-        FileLoaderDelegate(self).resolve_relative_path(anchor, relative_path)
-    }
-    fn relevant_crates(&self, file_id: FileId) -> Arc<Vec<CrateId>> {
-        FileLoaderDelegate(self).relevant_crates(file_id)
-    }
-}
-
-impl salsa::Database for RootDatabase {
-    fn salsa_runtime(&self) -> &salsa::Runtime<RootDatabase> {
-        &self.runtime
-    }
-    fn salsa_runtime_mut(&mut self) -> &mut salsa::Runtime<Self> {
-        &mut self.runtime
-    }
-    fn on_propagated_panic(&self) -> ! {
-        Canceled::throw()
-    }
-    fn salsa_event(&self, event: impl Fn() -> salsa::Event<RootDatabase>) {
-        match event().kind {
-            salsa::EventKind::DidValidateMemoizedValue { .. }
-            | salsa::EventKind::WillExecute { .. } => {
-                self.check_canceled();
-            }
-            _ => (),
-        }
-    }
-}
-
-impl Default for RootDatabase {
-    fn default() -> RootDatabase {
-        RootDatabase::new(None, FeatureFlags::default())
-    }
-}
-
-impl RootDatabase {
-    pub fn new(lru_capacity: Option<usize>, feature_flags: FeatureFlags) -> RootDatabase {
-        let mut db = RootDatabase {
-            runtime: salsa::Runtime::default(),
-            last_gc: crate::wasm_shims::Instant::now(),
-            last_gc_check: crate::wasm_shims::Instant::now(),
-            feature_flags: Arc::new(feature_flags),
-            debug_data: Default::default(),
-        };
-        db.set_crate_graph_with_durability(Default::default(), Durability::HIGH);
-        db.set_local_roots_with_durability(Default::default(), Durability::HIGH);
-        db.set_library_roots_with_durability(Default::default(), Durability::HIGH);
-        let lru_capacity = lru_capacity.unwrap_or(ra_db::DEFAULT_LRU_CAP);
-        db.query_mut(ra_db::ParseQuery).set_lru_capacity(lru_capacity);
-        db.query_mut(hir::db::ParseMacroQuery).set_lru_capacity(lru_capacity);
-        db.query_mut(hir::db::MacroExpandQuery).set_lru_capacity(lru_capacity);
-        db
-    }
-}
-
-impl salsa::ParallelDatabase for RootDatabase {
-    fn snapshot(&self) -> salsa::Snapshot<RootDatabase> {
-        salsa::Snapshot::new(RootDatabase {
-            runtime: self.runtime.snapshot(self),
-            last_gc: self.last_gc,
-            last_gc_check: self.last_gc_check,
-            feature_flags: Arc::clone(&self.feature_flags),
-            debug_data: Arc::clone(&self.debug_data),
-        })
-    }
-}
-
-#[salsa::query_group(LineIndexDatabaseStorage)]
-pub(crate) trait LineIndexDatabase: ra_db::SourceDatabase + CheckCanceled {
-    fn line_index(&self, file_id: FileId) -> Arc<LineIndex>;
-}
-
-fn line_index(db: &impl LineIndexDatabase, file_id: FileId) -> Arc<LineIndex> {
-    let text = db.file_text(file_id);
-    Arc::new(LineIndex::new(&*text))
-}
-
-#[derive(Debug, Default, Clone)]
-pub(crate) struct DebugData {
-    pub(crate) root_paths: FxHashMap<SourceRootId, String>,
-    pub(crate) crate_names: FxHashMap<CrateId, String>,
-}
-
-impl DebugData {
-    pub(crate) fn merge(&mut self, other: DebugData) {
-        self.root_paths.extend(other.root_paths.into_iter());
-        self.crate_names.extend(other.crate_names.into_iter());
-    }
-}
+pub(crate) use crate::ide_db::*;
-- 
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