From 559aeb2932368b40cda9ff8d3f7c4cf3aa065819 Mon Sep 17 00:00:00 2001
From: veetaha <veetaha2@gmail.com>
Date: Mon, 23 Mar 2020 02:01:07 +0200
Subject: ra_hir: add more privacy for Type

---
 crates/ra_hir/src/code_model.rs      | 20 ++++++++++++++------
 crates/ra_hir/src/source_analyzer.rs | 12 +++---------
 2 files changed, 17 insertions(+), 15 deletions(-)

diff --git a/crates/ra_hir/src/code_model.rs b/crates/ra_hir/src/code_model.rs
index 4b150ef06..e91abf6f5 100644
--- a/crates/ra_hir/src/code_model.rs
+++ b/crates/ra_hir/src/code_model.rs
@@ -10,7 +10,7 @@ use hir_def::{
     docs::Documentation,
     expr::{BindingAnnotation, Pat, PatId},
     per_ns::PerNs,
-    resolver::HasResolver,
+    resolver::{HasResolver, Resolver},
     type_ref::{Mutability, TypeRef},
     AdtId, AssocContainerId, ConstId, DefWithBodyId, EnumId, FunctionId, GenericDefId, HasModule,
     ImplId, LocalEnumVariantId, LocalModuleId, LocalStructFieldId, Lookup, ModuleId, StaticId,
@@ -912,10 +912,8 @@ impl Local {
         let def = DefWithBodyId::from(self.parent);
         let infer = db.infer(def);
         let ty = infer[self.pat_id].clone();
-        let resolver = def.resolver(db.upcast());
         let krate = def.module(db.upcast()).krate;
-        let environment = TraitEnvironment::lower(db, &resolver);
-        Type { krate, ty: InEnvironment { value: ty, environment } }
+        Type::new(db, krate, def, ty)
     }
 
     pub fn source(self, db: &dyn HirDatabase) -> InFile<Either<ast::BindPat, ast::SelfParam>> {
@@ -1020,11 +1018,21 @@ impl ImplDef {
 
 #[derive(Clone, PartialEq, Eq, Debug)]
 pub struct Type {
-    pub(crate) krate: CrateId,
-    pub(crate) ty: InEnvironment<Ty>,
+    krate: CrateId,
+    ty: InEnvironment<Ty>,
 }
 
 impl Type {
+    pub(crate) fn new_with_resolver(
+        db: &dyn HirDatabase,
+        resolver: &Resolver,
+        ty: Ty,
+    ) -> Option<Type> {
+        let krate = resolver.krate()?;
+        let environment = TraitEnvironment::lower(db, &resolver);
+        Some(Type { krate, ty: InEnvironment { value: ty, environment } })
+    }
+
     fn new(db: &dyn HirDatabase, krate: CrateId, lexical_env: impl HasResolver, ty: Ty) -> Type {
         let resolver = lexical_env.resolver(db.upcast());
         let environment = TraitEnvironment::lower(db, &resolver);
diff --git a/crates/ra_hir/src/source_analyzer.rs b/crates/ra_hir/src/source_analyzer.rs
index e8afef328..10c12c910 100644
--- a/crates/ra_hir/src/source_analyzer.rs
+++ b/crates/ra_hir/src/source_analyzer.rs
@@ -17,7 +17,7 @@ use hir_def::{
     AsMacroCall, DefWithBodyId,
 };
 use hir_expand::{hygiene::Hygiene, name::AsName, HirFileId, InFile};
-use hir_ty::{InEnvironment, InferenceResult, TraitEnvironment};
+use hir_ty::InferenceResult;
 use ra_syntax::{
     ast::{self, AstNode},
     SyntaxNode, SyntaxNodePtr, TextUnit,
@@ -103,10 +103,6 @@ impl SourceAnalyzer {
         Some(res)
     }
 
-    fn trait_env(&self, db: &dyn HirDatabase) -> Arc<TraitEnvironment> {
-        TraitEnvironment::lower(db, &self.resolver)
-    }
-
     pub(crate) fn type_of(&self, db: &dyn HirDatabase, expr: &ast::Expr) -> Option<Type> {
         let expr_id = match expr {
             ast::Expr::MacroCall(call) => {
@@ -117,15 +113,13 @@ impl SourceAnalyzer {
         }?;
 
         let ty = self.infer.as_ref()?[expr_id].clone();
-        let environment = self.trait_env(db);
-        Some(Type { krate: self.resolver.krate()?, ty: InEnvironment { value: ty, environment } })
+        Type::new_with_resolver(db, &self.resolver, ty)
     }
 
     pub(crate) fn type_of_pat(&self, db: &dyn HirDatabase, pat: &ast::Pat) -> Option<Type> {
         let pat_id = self.pat_id(pat)?;
         let ty = self.infer.as_ref()?[pat_id].clone();
-        let environment = self.trait_env(db);
-        Some(Type { krate: self.resolver.krate()?, ty: InEnvironment { value: ty, environment } })
+        Type::new_with_resolver(db, &self.resolver, ty)
     }
 
     pub(crate) fn resolve_method_call(&self, call: &ast::MethodCallExpr) -> Option<Function> {
-- 
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