From 6bcc1b8b9e9ff90a5c5442dce230dba5995ca5b5 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Wed, 29 May 2019 22:13:03 +0300
Subject: add cacellation checks to expensive queries

---
 crates/ra_hir/src/nameres.rs           | 1 +
 crates/ra_hir/src/nameres/collector.rs | 1 +
 crates/ra_hir/src/ty/traits.rs         | 1 +
 3 files changed, 3 insertions(+)

(limited to 'crates/ra_hir')

diff --git a/crates/ra_hir/src/nameres.rs b/crates/ra_hir/src/nameres.rs
index 9b9212bfc..42dcac332 100644
--- a/crates/ra_hir/src/nameres.rs
+++ b/crates/ra_hir/src/nameres.rs
@@ -222,6 +222,7 @@ fn or(left: ItemOrMacro, right: ItemOrMacro) -> ItemOrMacro {
 
 impl CrateDefMap {
     pub(crate) fn crate_def_map_query(db: &impl DefDatabase, krate: Crate) -> Arc<CrateDefMap> {
+        db.check_canceled();
         let _p = profile("crate_def_map_query");
         let def_map = {
             let edition = krate.edition(db);
diff --git a/crates/ra_hir/src/nameres/collector.rs b/crates/ra_hir/src/nameres/collector.rs
index ba7ea0017..af8ac064c 100644
--- a/crates/ra_hir/src/nameres/collector.rs
+++ b/crates/ra_hir/src/nameres/collector.rs
@@ -112,6 +112,7 @@ where
         // main name resolution fixed-point loop.
         let mut i = 0;
         loop {
+            self.db.check_canceled();
             match (self.resolve_imports(), self.resolve_macros()) {
                 (ReachedFixedPoint::Yes, ReachedFixedPoint::Yes) => break,
                 _ => i += 1,
diff --git a/crates/ra_hir/src/ty/traits.rs b/crates/ra_hir/src/ty/traits.rs
index e6c78c0d4..fc90f56d5 100644
--- a/crates/ra_hir/src/ty/traits.rs
+++ b/crates/ra_hir/src/ty/traits.rs
@@ -82,6 +82,7 @@ pub(crate) fn implements_query(
     krate: Crate,
     trait_ref: Canonical<TraitRef>,
 ) -> Option<Solution> {
+    db.check_canceled();
     let _p = profile("implements_query");
     let goal: chalk_ir::Goal = trait_ref.value.to_chalk(db).cast();
     debug!("goal: {:?}", goal);
-- 
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