From 4bbc385277bcab509c321b1374f72f1ef19d7750 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Tue, 7 Jul 2020 10:14:48 +0200
Subject: Switch to fully dynamically dispatched salsa

This improves compile times quite a bit
---
 crates/ra_hir_def/src/data.rs    |  2 +-
 crates/ra_hir_def/src/test_db.rs | 28 ++++++++++++++--------------
 2 files changed, 15 insertions(+), 15 deletions(-)

(limited to 'crates/ra_hir_def/src')

diff --git a/crates/ra_hir_def/src/data.rs b/crates/ra_hir_def/src/data.rs
index 282ade2a3..aa335f1e3 100644
--- a/crates/ra_hir_def/src/data.rs
+++ b/crates/ra_hir_def/src/data.rs
@@ -31,7 +31,7 @@ pub struct FunctionData {
 }
 
 impl FunctionData {
-    pub(crate) fn fn_data_query(db: &impl DefDatabase, func: FunctionId) -> Arc<FunctionData> {
+    pub(crate) fn fn_data_query(db: &dyn DefDatabase, func: FunctionId) -> Arc<FunctionData> {
         let loc = func.lookup(db);
         let item_tree = db.item_tree(loc.id.file_id);
         let func = &item_tree[loc.id.value];
diff --git a/crates/ra_hir_def/src/test_db.rs b/crates/ra_hir_def/src/test_db.rs
index 4581d8745..339f819b8 100644
--- a/crates/ra_hir_def/src/test_db.rs
+++ b/crates/ra_hir_def/src/test_db.rs
@@ -1,7 +1,7 @@
 //! Database used for testing `hir_def`.
 
 use std::{
-    panic,
+    fmt, panic,
     sync::{Arc, Mutex},
 };
 
@@ -18,10 +18,10 @@ use crate::db::DefDatabase;
     crate::db::InternDatabaseStorage,
     crate::db::DefDatabaseStorage
 )]
-#[derive(Debug, Default)]
+#[derive(Default)]
 pub struct TestDB {
-    runtime: salsa::Runtime<TestDB>,
-    events: Mutex<Option<Vec<salsa::Event<TestDB>>>>,
+    storage: salsa::Storage<TestDB>,
+    events: Mutex<Option<Vec<salsa::Event>>>,
 }
 
 impl Upcast<dyn AstDatabase> for TestDB {
@@ -37,20 +37,20 @@ impl Upcast<dyn DefDatabase> for TestDB {
 }
 
 impl salsa::Database for TestDB {
-    fn salsa_runtime(&self) -> &salsa::Runtime<Self> {
-        &self.runtime
-    }
-    fn salsa_runtime_mut(&mut self) -> &mut salsa::Runtime<Self> {
-        &mut self.runtime
-    }
-    fn salsa_event(&self, event: impl Fn() -> salsa::Event<TestDB>) {
+    fn salsa_event(&self, event: salsa::Event) {
         let mut events = self.events.lock().unwrap();
         if let Some(events) = &mut *events {
-            events.push(event());
+            events.push(event);
         }
     }
 }
 
+impl fmt::Debug for TestDB {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.debug_struct("TestDB").finish()
+    }
+}
+
 impl panic::RefUnwindSafe for TestDB {}
 
 impl FileLoader for TestDB {
@@ -78,7 +78,7 @@ impl TestDB {
         panic!("Can't find module for file")
     }
 
-    pub fn log(&self, f: impl FnOnce()) -> Vec<salsa::Event<TestDB>> {
+    pub fn log(&self, f: impl FnOnce()) -> Vec<salsa::Event> {
         *self.events.lock().unwrap() = Some(Vec::new());
         f();
         self.events.lock().unwrap().take().unwrap()
@@ -92,7 +92,7 @@ impl TestDB {
                 // This pretty horrible, but `Debug` is the only way to inspect
                 // QueryDescriptor at the moment.
                 salsa::EventKind::WillExecute { database_key } => {
-                    Some(format!("{:?}", database_key))
+                    Some(format!("{:?}", database_key.debug(self)))
                 }
                 _ => None,
             })
-- 
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