Move expr resolver to resolve

crates/ra_hir/src/expr.rs

@@ -13,7 +13,7 @@ use crate::{
     diagnostics::{MissingFields, MissingOkInTailExpr},
     resolve::HasResolver,
     ty::{ApplicationTy, InferenceResult, Ty, TypeCtor},
-    Adt, DefWithBody, Function, HasBody, Name, Path, Resolver,
+    Adt, Function, Name, Path,
 };
 
 pub use hir_def::{
@@ -27,30 +27,6 @@ pub use hir_def::{
     },
 };
 
-// needs arbitrary_self_types to be a method... or maybe move to the def?
-pub(crate) fn resolver_for_expr(
-    db: &impl HirDatabase,
-    owner: DefWithBody,
-    expr_id: ExprId,
-) -> Resolver {
-    let scopes = owner.expr_scopes(db);
-    resolver_for_scope(db, owner, scopes.scope_for(expr_id))
-}
-
-pub(crate) fn resolver_for_scope(
-    db: &impl HirDatabase,
-    owner: DefWithBody,
-    scope_id: Option<ScopeId>,
-) -> Resolver {
-    let mut r = owner.resolver(db);
-    let scopes = owner.expr_scopes(db);
-    let scope_chain = scopes.scope_chain(scope_id).collect::<Vec<_>>();
-    for scope in scope_chain.into_iter().rev() {
-        r = r.push_expr_scope(owner.into(), Arc::clone(&scopes), scope);
-    }
-    r
-}
-
 pub(crate) struct ExprValidator<'a, 'b: 'a> {
     func: Function,
     infer: Arc<InferenceResult>,

crates/ra_hir/src/resolve.rs

@@ -4,6 +4,7 @@ use std::sync::Arc;
 use hir_def::{
     builtin_type::BuiltinType,
     db::DefDatabase2,
+    expr::ExprId,
     generics::GenericParams,
     nameres::CrateDefMap,
     path::{Path, PathKind},
@@ -15,10 +16,10 @@ use rustc_hash::FxHashSet;
 
 use crate::{
     code_model::Crate,
-    db::DefDatabase,
+    db::{DefDatabase, HirDatabase},
     expr::{ExprScopes, PatId, ScopeId},
-    Adt, Const, Container, DefWithBody, EnumVariant, Function, GenericDef, ImplBlock, Local,
-    MacroDef, Module, ModuleDef, PerNs, Static, Struct, Trait, TypeAlias,
+    Adt, Const, Container, DefWithBody, EnumVariant, Function, GenericDef, HasBody, ImplBlock,
+    Local, MacroDef, Module, ModuleDef, PerNs, Static, Struct, Trait, TypeAlias,
 };
 
 #[derive(Debug, Clone, Default)]
@@ -492,6 +493,30 @@ impl Scope {
     }
 }
 
+// needs arbitrary_self_types to be a method... or maybe move to the def?
+pub(crate) fn resolver_for_expr(
+    db: &impl HirDatabase,
+    owner: DefWithBody,
+    expr_id: ExprId,
+) -> Resolver {
+    let scopes = owner.expr_scopes(db);
+    resolver_for_scope(db, owner, scopes.scope_for(expr_id))
+}
+
+pub(crate) fn resolver_for_scope(
+    db: &impl HirDatabase,
+    owner: DefWithBody,
+    scope_id: Option<ScopeId>,
+) -> Resolver {
+    let mut r = owner.resolver(db);
+    let scopes = owner.expr_scopes(db);
+    let scope_chain = scopes.scope_chain(scope_id).collect::<Vec<_>>();
+    for scope in scope_chain.into_iter().rev() {
+        r = r.push_expr_scope(owner.into(), Arc::clone(&scopes), scope);
+    }
+    r
+}
+
 pub(crate) trait HasResolver {
     /// Builds a resolver for type references inside this def.
     fn resolver(self, db: &impl DefDatabase) -> Resolver;

crates/ra_hir/src/source_binder.rs

@@ -21,9 +21,9 @@ use ra_syntax::{
 
 use crate::{
     db::HirDatabase,
-    expr::{self, BodySourceMap, ExprScopes, ScopeId},
+    expr::{BodySourceMap, ExprScopes, ScopeId},
     ids::LocationCtx,
-    resolve::{HasResolver, ScopeDef, TypeNs, ValueNs},
+    resolve::{resolver_for_scope, HasResolver, ScopeDef, TypeNs, ValueNs},
     ty::method_resolution::{self, implements_trait},
     Adt, AssocItem, Const, DefWithBody, Either, Enum, EnumVariant, FromSource, Function,
     GenericParam, HasBody, HirFileId, Local, MacroDef, Module, Name, Path, Resolver, Static,
@@ -160,7 +160,7 @@ impl SourceAnalyzer {
                 None => scope_for(&scopes, &source_map, node),
                 Some(offset) => scope_for_offset(&scopes, &source_map, node.with_value(offset)),
             };
-            let resolver = expr::resolver_for_scope(db, def, scope);
+            let resolver = resolver_for_scope(db, def, scope);
             SourceAnalyzer {
                 resolver,
                 body_owner: Some(def),

crates/ra_hir/src/ty/infer/expr.rs

@@ -12,8 +12,9 @@ use hir_expand::name;
 use super::{BindingMode, Expectation, InferenceContext, InferenceDiagnostic, TypeMismatch};
 use crate::{
     db::HirDatabase,
-    expr::{self, Array, BinaryOp, Expr, ExprId, Literal, Statement, UnaryOp},
+    expr::{Array, BinaryOp, Expr, ExprId, Literal, Statement, UnaryOp},
     generics::{GenericParams, HasGenericParams},
+    resolve::resolver_for_expr,
     ty::{
         autoderef, method_resolution, op, CallableDef, InferTy, IntTy, Mutability, Namespace,
         Obligation, ProjectionPredicate, ProjectionTy, Substs, TraitRef, Ty, TypeCtor, TypeWalk,
@@ -186,7 +187,7 @@ impl<'a, D: HirDatabase> InferenceContext<'a, D> {
             }
             Expr::Path(p) => {
                 // FIXME this could be more efficient...
-                let resolver = expr::resolver_for_expr(self.db, self.owner, tgt_expr);
+                let resolver = resolver_for_expr(self.db, self.owner, tgt_expr);
                 self.infer_path(&resolver, p, tgt_expr.into()).unwrap_or(Ty::Unknown)
             }
             Expr::Continue => Ty::simple(TypeCtor::Never),