4 files changed, 11 insertions, 17 deletions

diff --git a/crates/ide/src/completion/complete_dot.rs b/crates/ide/src/completion/complete_dot.rs
index 532665285..5488db43f 100644
--- a/crates/ide/src/completion/complete_dot.rs
+++ b/crates/ide/src/completion/complete_dot.rs
@@ -48,7 +48,7 @@ fn complete_methods(acc: &mut Completions, ctx: &CompletionContext, receiver: &T
         let mut seen_methods = FxHashSet::default();
         let traits_in_scope = ctx.scope.traits_in_scope();
         receiver.iterate_method_candidates(ctx.db, krate, &traits_in_scope, None, |_ty, func| {
-            if func.has_self_param(ctx.db)
+            if func.self_param(ctx.db).is_some()
                 && ctx.scope.module().map_or(true, |m| func.is_visible_from(ctx.db, m))
                 && seen_methods.insert(func.name(ctx.db))
             {
diff --git a/crates/ide/src/completion/complete_trait_impl.rs b/crates/ide/src/completion/complete_trait_impl.rs
index d69b6b468..d0d3a9f34 100644
--- a/crates/ide/src/completion/complete_trait_impl.rs
+++ b/crates/ide/src/completion/complete_trait_impl.rs
@@ -136,7 +136,7 @@ fn add_function_impl(
         .lookup_by(fn_name)
         .set_documentation(func.docs(ctx.db));
 
-    let completion_kind = if func.has_self_param(ctx.db) {
+    let completion_kind = if func.self_param(ctx.db).is_some() {
         CompletionItemKind::Method
     } else {
         CompletionItemKind::Function
diff --git a/crates/ide/src/completion/presentation.rs b/crates/ide/src/completion/presentation.rs
index e1b1ea4ce..a73f8ab0b 100644
--- a/crates/ide/src/completion/presentation.rs
+++ b/crates/ide/src/completion/presentation.rs
@@ -191,14 +191,12 @@ impl Completions {
         func: hir::Function,
         local_name: Option<String>,
     ) {
-        let has_self_param = func.has_self_param(ctx.db);
-
         let name = local_name.unwrap_or_else(|| func.name(ctx.db).to_string());
         let ast_node = func.source(ctx.db).value;
 
         let mut builder =
             CompletionItem::new(CompletionKind::Reference, ctx.source_range(), name.clone())
-                .kind(if has_self_param {
+                .kind(if func.self_param(ctx.db).is_some() {
                     CompletionItemKind::Method
                 } else {
                     CompletionItemKind::Function
diff --git a/crates/ide/src/syntax_highlighting.rs b/crates/ide/src/syntax_highlighting.rs
index 9827c68af..fc4f56550 100644
--- a/crates/ide/src/syntax_highlighting.rs
+++ b/crates/ide/src/syntax_highlighting.rs
@@ -4,7 +4,7 @@ mod injection;
 #[cfg(test)]
 mod tests;
 
-use hir::{Mutability, Name, SelfKind, Semantics, VariantDef};
+use hir::{Name, SelfKind, Semantics, VariantDef};
 use ide_db::{
     defs::{classify_name, classify_name_ref, Definition, NameClass, NameRefClass},
     RootDatabase,
@@ -761,17 +761,13 @@ fn highlight_name(
                             h |= HighlightModifier::Unsafe;
                         }
 
-                        return if func.has_self_param(db) {
-                            match func.mutability_of_self_param(db) {
-                                Some(mutability) => match mutability {
-                                    Mutability::Mut => h | HighlightModifier::Mutable,
-                                    Mutability::Shared => h,
-                                },
-                                None => h,
-                            }
-                        } else {
-                            h
-                        };
+                        match func.self_param(db) {
+                            None => h,
+                            Some(self_param) => match self_param.access(db) {
+                                hir::Access::Exclusive => h | HighlightModifier::Mutable,
+                                hir::Access::Shared | hir::Access::Owned => h,
+                            },
+                        }
                     });
             }
             hir::ModuleDef::Adt(hir::Adt::Struct(_)) => HighlightTag::Struct,