From 22a65b11b3a69b3dae561b34c6b28cb2107169d1 Mon Sep 17 00:00:00 2001
From: Florian Diebold <florian.diebold@freiheit.com>
Date: Fri, 24 Jan 2020 14:32:47 +0100
Subject: Introduce TyLoweringContext

---
 crates/ra_hir/src/code_model.rs      | 11 +++++++----
 crates/ra_hir/src/source_analyzer.rs |  9 +++++++--
 2 files changed, 14 insertions(+), 6 deletions(-)

(limited to 'crates/ra_hir/src')

diff --git a/crates/ra_hir/src/code_model.rs b/crates/ra_hir/src/code_model.rs
index eaacf8c9e..837a3ed6d 100644
--- a/crates/ra_hir/src/code_model.rs
+++ b/crates/ra_hir/src/code_model.rs
@@ -733,7 +733,8 @@ impl Local {
         let ty = infer[self.pat_id].clone();
         let resolver = def.resolver(db);
         let krate = def.module(db).krate;
-        let environment = TraitEnvironment::lower(db, &resolver);
+        let ctx = hir_ty::TyLoweringContext { db, resolver: &resolver };
+        let environment = TraitEnvironment::lower(&ctx);
         Type { krate, ty: InEnvironment { value: ty, environment } }
     }
 
@@ -789,8 +790,9 @@ impl ImplBlock {
     pub fn target_ty(&self, db: &impl HirDatabase) -> Type {
         let impl_data = db.impl_data(self.id);
         let resolver = self.id.resolver(db);
-        let environment = TraitEnvironment::lower(db, &resolver);
-        let ty = Ty::from_hir(db, &resolver, &impl_data.target_type);
+        let ctx = hir_ty::TyLoweringContext { db, resolver: &resolver };
+        let environment = TraitEnvironment::lower(&ctx);
+        let ty = Ty::from_hir(&ctx, &impl_data.target_type);
         Type {
             krate: self.id.lookup(db).container.module(db).krate,
             ty: InEnvironment { value: ty, environment },
@@ -844,7 +846,8 @@ pub struct Type {
 impl Type {
     fn new(db: &impl HirDatabase, krate: CrateId, lexical_env: impl HasResolver, ty: Ty) -> Type {
         let resolver = lexical_env.resolver(db);
-        let environment = TraitEnvironment::lower(db, &resolver);
+        let ctx = hir_ty::TyLoweringContext { db, resolver: &resolver };
+        let environment = TraitEnvironment::lower(&ctx);
         Type { krate, ty: InEnvironment { value: ty, environment } }
     }
 
diff --git a/crates/ra_hir/src/source_analyzer.rs b/crates/ra_hir/src/source_analyzer.rs
index 4f8fc9602..9cfd52856 100644
--- a/crates/ra_hir/src/source_analyzer.rs
+++ b/crates/ra_hir/src/source_analyzer.rs
@@ -178,6 +178,11 @@ impl SourceAnalyzer {
         }
     }
 
+    fn trait_env(&self, db: &impl HirDatabase) -> Arc<TraitEnvironment> {
+        let ctx = hir_ty::TyLoweringContext { db, resolver: &self.resolver };
+        TraitEnvironment::lower(&ctx)
+    }
+
     pub fn type_of(&self, db: &impl HirDatabase, expr: &ast::Expr) -> Option<Type> {
         let expr_id = if let Some(expr) = self.expand_expr(db, InFile::new(self.file_id, expr)) {
             self.body_source_map.as_ref()?.node_expr(expr.as_ref())?
@@ -186,14 +191,14 @@ impl SourceAnalyzer {
         };
 
         let ty = self.infer.as_ref()?[expr_id].clone();
-        let environment = TraitEnvironment::lower(db, &self.resolver);
+        let environment = self.trait_env(db);
         Some(Type { krate: self.resolver.krate()?, ty: InEnvironment { value: ty, environment } })
     }
 
     pub fn type_of_pat(&self, db: &impl HirDatabase, pat: &ast::Pat) -> Option<Type> {
         let pat_id = self.pat_id(pat)?;
         let ty = self.infer.as_ref()?[pat_id].clone();
-        let environment = TraitEnvironment::lower(db, &self.resolver);
+        let environment = self.trait_env(db);
         Some(Type { krate: self.resolver.krate()?, ty: InEnvironment { value: ty, environment } })
     }
 
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