From b8cae2cf8f7d2a0162d614e25ef95d7e4a5d3677 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Wed, 12 Jun 2019 18:05:02 +0300
Subject: check for cancellation when executing queries

Note that we can't just remove CheckCanceled trait altogether:
sometimes it's useful to check for cancellation while the query is
running! We do this, for example, in the name resolution fixed-point
loop.
---
 crates/ra_hir/src/ids.rs       | 1 -
 crates/ra_hir/src/nameres.rs   | 1 -
 crates/ra_hir/src/ty/infer.rs  | 1 -
 crates/ra_hir/src/ty/traits.rs | 1 -
 4 files changed, 4 deletions(-)

(limited to 'crates/ra_hir/src')

diff --git a/crates/ra_hir/src/ids.rs b/crates/ra_hir/src/ids.rs
index 352f9ffd9..033af1632 100644
--- a/crates/ra_hir/src/ids.rs
+++ b/crates/ra_hir/src/ids.rs
@@ -61,7 +61,6 @@ impl HirFileId {
         db: &impl AstDatabase,
         file_id: HirFileId,
     ) -> Option<TreeArc<SyntaxNode>> {
-        db.check_canceled();
         match file_id.0 {
             HirFileIdRepr::File(file_id) => Some(db.parse(file_id).tree.syntax().to_owned()),
             HirFileIdRepr::Macro(macro_file) => db.parse_macro(macro_file),
diff --git a/crates/ra_hir/src/nameres.rs b/crates/ra_hir/src/nameres.rs
index d84134877..3532faf01 100644
--- a/crates/ra_hir/src/nameres.rs
+++ b/crates/ra_hir/src/nameres.rs
@@ -234,7 +234,6 @@ impl CrateDefMap {
         db: &(impl DefDatabase + AstDatabase),
         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/ty/infer.rs b/crates/ra_hir/src/ty/infer.rs
index fef0f1d24..e150d7fd8 100644
--- a/crates/ra_hir/src/ty/infer.rs
+++ b/crates/ra_hir/src/ty/infer.rs
@@ -54,7 +54,6 @@ mod unify;
 /// The entry point of type inference.
 pub fn infer_query(db: &impl HirDatabase, def: DefWithBody) -> Arc<InferenceResult> {
     let _p = profile("infer_query");
-    db.check_canceled();
     let body = def.body(db);
     let resolver = def.resolver(db);
     let mut ctx = InferenceContext::new(db, body, resolver);
diff --git a/crates/ra_hir/src/ty/traits.rs b/crates/ra_hir/src/ty/traits.rs
index db78f25ca..fda7f9c04 100644
--- a/crates/ra_hir/src/ty/traits.rs
+++ b/crates/ra_hir/src/ty/traits.rs
@@ -83,7 +83,6 @@ 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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