8 files changed, 222 insertions, 246 deletions

diff --git a/crates/ide/src/lib.rs b/crates/ide/src/lib.rs
index cea2a13c8..674c72c23 100644
--- a/crates/ide/src/lib.rs
+++ b/crates/ide/src/lib.rs
@@ -76,7 +76,7 @@ pub use crate::{
     references::{rename::RenameError, Declaration, ReferenceSearchResult},
     runnables::{Runnable, RunnableKind, TestId},
     syntax_highlighting::{
-        tags::{Highlight, HighlightModifier, HighlightModifiers, HighlightTag},
+        tags::{Highlight, HlMod, HlMods, HlTag},
         HighlightedRange,
     },
 };
diff --git a/crates/ide/src/syntax_highlighting.rs b/crates/ide/src/syntax_highlighting.rs
index 2eb63a0b7..d73ddf35b 100644
--- a/crates/ide/src/syntax_highlighting.rs
+++ b/crates/ide/src/syntax_highlighting.rs
@@ -26,7 +26,7 @@ use crate::{
     syntax_highlighting::{
         format::FormatStringHighlighter, macro_rules::MacroRulesHighlighter, tags::Highlight,
     },
-    FileId, HighlightModifier, HighlightTag, SymbolKind,
+    FileId, HlMod, HlTag, SymbolKind,
 };
 
 pub(crate) use html::highlight_as_html;
@@ -98,7 +98,7 @@ pub(crate) fn highlight(
                 if let Some(range) = macro_call_range(&mc) {
                     stack.add(HighlightedRange {
                         range,
-                        highlight: HighlightTag::Symbol(SymbolKind::Macro).into(),
+                        highlight: HlTag::Symbol(SymbolKind::Macro).into(),
                         binding_hash: None,
                     });
                 }
@@ -192,7 +192,7 @@ pub(crate) fn highlight(
             element_to_highlight.clone(),
         ) {
             if inside_attribute {
-                highlight = highlight | HighlightModifier::Attribute;
+                highlight = highlight | HlMod::Attribute;
             }
 
             if macro_rules_highlighter.highlight(element_to_highlight.clone()).is_none() {
@@ -209,7 +209,7 @@ pub(crate) fn highlight(
                         if string.text()[piece_range.start().into()..].starts_with('\\') {
                             stack.add(HighlightedRange {
                                 range: piece_range + range.start(),
-                                highlight: HighlightTag::EscapeSequence.into(),
+                                highlight: HlTag::EscapeSequence.into(),
                                 binding_hash: None,
                             });
                         }
@@ -292,22 +292,20 @@ fn highlight_element(
             };
 
             match name_kind {
-                Some(NameClass::ExternCrate(_)) => HighlightTag::Symbol(SymbolKind::Module).into(),
-                Some(NameClass::Definition(def)) => {
-                    highlight_def(db, def) | HighlightModifier::Definition
-                }
+                Some(NameClass::ExternCrate(_)) => HlTag::Symbol(SymbolKind::Module).into(),
+                Some(NameClass::Definition(def)) => highlight_def(db, def) | HlMod::Definition,
                 Some(NameClass::ConstReference(def)) => highlight_def(db, def),
                 Some(NameClass::PatFieldShorthand { field_ref, .. }) => {
-                    let mut h = HighlightTag::Symbol(SymbolKind::Field).into();
+                    let mut h = HlTag::Symbol(SymbolKind::Field).into();
                     if let Definition::Field(field) = field_ref {
                         if let VariantDef::Union(_) = field.parent_def(db) {
-                            h |= HighlightModifier::Unsafe;
+                            h |= HlMod::Unsafe;
                         }
                     }
 
                     h
                 }
-                None => highlight_name_by_syntax(name) | HighlightModifier::Definition,
+                None => highlight_name_by_syntax(name) | HlMod::Definition,
             }
         }
 
@@ -315,16 +313,14 @@ fn highlight_element(
         NAME_REF if element.ancestors().any(|it| it.kind() == ATTR) => {
             // even though we track whether we are in an attribute or not we still need this special case
             // as otherwise we would emit unresolved references for name refs inside attributes
-            Highlight::from(HighlightTag::Symbol(SymbolKind::Function))
+            Highlight::from(HlTag::Symbol(SymbolKind::Function))
         }
         NAME_REF => {
             let name_ref = element.into_node().and_then(ast::NameRef::cast).unwrap();
             highlight_func_by_name_ref(sema, &name_ref).unwrap_or_else(|| {
                 match NameRefClass::classify(sema, &name_ref) {
                     Some(name_kind) => match name_kind {
-                        NameRefClass::ExternCrate(_) => {
-                            HighlightTag::Symbol(SymbolKind::Module).into()
-                        }
+                        NameRefClass::ExternCrate(_) => HlTag::Symbol(SymbolKind::Module).into(),
                         NameRefClass::Definition(def) => {
                             if let Definition::Local(local) = &def {
                                 if let Some(name) = local.name(db) {
@@ -338,7 +334,7 @@ fn highlight_element(
 
                             if let Definition::Local(local) = &def {
                                 if is_consumed_lvalue(name_ref.syntax().clone().into(), local, db) {
-                                    h |= HighlightModifier::Consuming;
+                                    h |= HlMod::Consuming;
                                 }
                             }
 
@@ -346,7 +342,7 @@ fn highlight_element(
                                 if matches!(parent.kind(), FIELD_EXPR | RECORD_PAT_FIELD) {
                                     if let Definition::Field(field) = def {
                                         if let VariantDef::Union(_) = field.parent_def(db) {
-                                            h |= HighlightModifier::Unsafe;
+                                            h |= HlMod::Unsafe;
                                         }
                                     }
                                 }
@@ -355,13 +351,13 @@ fn highlight_element(
                             h
                         }
                         NameRefClass::FieldShorthand { .. } => {
-                            HighlightTag::Symbol(SymbolKind::Field).into()
+                            HlTag::Symbol(SymbolKind::Field).into()
                         }
                     },
                     None if syntactic_name_ref_highlighting => {
                         highlight_name_ref_by_syntax(name_ref, sema)
                     }
-                    None => HighlightTag::UnresolvedReference.into(),
+                    None => HlTag::UnresolvedReference.into(),
                 }
             })
         }
@@ -369,60 +365,53 @@ fn highlight_element(
         // Simple token-based highlighting
         COMMENT => {
             let comment = element.into_token().and_then(ast::Comment::cast)?;
-            let h = HighlightTag::Comment;
+            let h = HlTag::Comment;
             match comment.kind().doc {
-                Some(_) => h | HighlightModifier::Documentation,
+                Some(_) => h | HlMod::Documentation,
                 None => h.into(),
             }
         }
-        STRING | BYTE_STRING => HighlightTag::StringLiteral.into(),
-        ATTR => HighlightTag::Attribute.into(),
-        INT_NUMBER | FLOAT_NUMBER => HighlightTag::NumericLiteral.into(),
-        BYTE => HighlightTag::ByteLiteral.into(),
-        CHAR => HighlightTag::CharLiteral.into(),
-        QUESTION => Highlight::new(HighlightTag::Operator) | HighlightModifier::ControlFlow,
+        STRING | BYTE_STRING => HlTag::StringLiteral.into(),
+        ATTR => HlTag::Attribute.into(),
+        INT_NUMBER | FLOAT_NUMBER => HlTag::NumericLiteral.into(),
+        BYTE => HlTag::ByteLiteral.into(),
+        CHAR => HlTag::CharLiteral.into(),
+        QUESTION => Highlight::new(HlTag::Operator) | HlMod::ControlFlow,
         LIFETIME => {
             let lifetime = element.into_node().and_then(ast::Lifetime::cast).unwrap();
 
             match NameClass::classify_lifetime(sema, &lifetime) {
-                Some(NameClass::Definition(def)) => {
-                    highlight_def(db, def) | HighlightModifier::Definition
-                }
+                Some(NameClass::Definition(def)) => highlight_def(db, def) | HlMod::Definition,
                 None => match NameRefClass::classify_lifetime(sema, &lifetime) {
                     Some(NameRefClass::Definition(def)) => highlight_def(db, def),
-                    _ => Highlight::new(HighlightTag::Symbol(SymbolKind::LifetimeParam)),
+                    _ => Highlight::new(HlTag::Symbol(SymbolKind::LifetimeParam)),
                 },
-                _ => {
-                    Highlight::new(HighlightTag::Symbol(SymbolKind::LifetimeParam))
-                        | HighlightModifier::Definition
-                }
+                _ => Highlight::new(HlTag::Symbol(SymbolKind::LifetimeParam)) | HlMod::Definition,
             }
         }
         p if p.is_punct() => match p {
             T![&] => {
-                let h = HighlightTag::Operator.into();
+                let h = HlTag::Operator.into();
                 let is_unsafe = element
                     .parent()
                     .and_then(ast::RefExpr::cast)
                     .map(|ref_expr| sema.is_unsafe_ref_expr(&ref_expr))
                     .unwrap_or(false);
                 if is_unsafe {
-                    h | HighlightModifier::Unsafe
+                    h | HlMod::Unsafe
                 } else {
                     h
                 }
             }
-            T![::] | T![->] | T![=>] | T![..] | T![=] | T![@] | T![.] => {
-                HighlightTag::Operator.into()
-            }
+            T![::] | T![->] | T![=>] | T![..] | T![=] | T![@] | T![.] => HlTag::Operator.into(),
             T![!] if element.parent().and_then(ast::MacroCall::cast).is_some() => {
-                HighlightTag::Symbol(SymbolKind::Macro).into()
+                HlTag::Symbol(SymbolKind::Macro).into()
             }
             T![!] if element.parent().and_then(ast::NeverType::cast).is_some() => {
-                HighlightTag::BuiltinType.into()
+                HlTag::BuiltinType.into()
             }
             T![*] if element.parent().and_then(ast::PtrType::cast).is_some() => {
-                HighlightTag::Keyword.into()
+                HlTag::Keyword.into()
             }
             T![*] if element.parent().and_then(ast::PrefixExpr::cast).is_some() => {
                 let prefix_expr = element.parent().and_then(ast::PrefixExpr::cast)?;
@@ -430,11 +419,11 @@ fn highlight_element(
                 let expr = prefix_expr.expr()?;
                 let ty = sema.type_of_expr(&expr)?;
                 if ty.is_raw_ptr() {
-                    HighlightTag::Operator | HighlightModifier::Unsafe
+                    HlTag::Operator | HlMod::Unsafe
                 } else if let Some(ast::PrefixOp::Deref) = prefix_expr.op_kind() {
-                    HighlightTag::Operator.into()
+                    HlTag::Operator.into()
                 } else {
-                    HighlightTag::Punctuation.into()
+                    HlTag::Punctuation.into()
                 }
             }
             T![-] if element.parent().and_then(ast::PrefixExpr::cast).is_some() => {
@@ -442,34 +431,26 @@ fn highlight_element(
 
                 let expr = prefix_expr.expr()?;
                 match expr {
-                    ast::Expr::Literal(_) => HighlightTag::NumericLiteral,
-                    _ => HighlightTag::Operator,
+                    ast::Expr::Literal(_) => HlTag::NumericLiteral,
+                    _ => HlTag::Operator,
                 }
                 .into()
             }
             _ if element.parent().and_then(ast::PrefixExpr::cast).is_some() => {
-                HighlightTag::Operator.into()
-            }
-            _ if element.parent().and_then(ast::BinExpr::cast).is_some() => {
-                HighlightTag::Operator.into()
+                HlTag::Operator.into()
             }
+            _ if element.parent().and_then(ast::BinExpr::cast).is_some() => HlTag::Operator.into(),
             _ if element.parent().and_then(ast::RangeExpr::cast).is_some() => {
-                HighlightTag::Operator.into()
-            }
-            _ if element.parent().and_then(ast::RangePat::cast).is_some() => {
-                HighlightTag::Operator.into()
-            }
-            _ if element.parent().and_then(ast::RestPat::cast).is_some() => {
-                HighlightTag::Operator.into()
-            }
-            _ if element.parent().and_then(ast::Attr::cast).is_some() => {
-                HighlightTag::Attribute.into()
+                HlTag::Operator.into()
             }
-            _ => HighlightTag::Punctuation.into(),
+            _ if element.parent().and_then(ast::RangePat::cast).is_some() => HlTag::Operator.into(),
+            _ if element.parent().and_then(ast::RestPat::cast).is_some() => HlTag::Operator.into(),
+            _ if element.parent().and_then(ast::Attr::cast).is_some() => HlTag::Attribute.into(),
+            _ => HlTag::Punctuation.into(),
         },
 
         k if k.is_keyword() => {
-            let h = Highlight::new(HighlightTag::Keyword);
+            let h = Highlight::new(HlTag::Keyword);
             match k {
                 T![break]
                 | T![continue]
@@ -479,10 +460,10 @@ fn highlight_element(
                 | T![match]
                 | T![return]
                 | T![while]
-                | T![in] => h | HighlightModifier::ControlFlow,
-                T![for] if !is_child_of_impl(&element) => h | HighlightModifier::ControlFlow,
-                T![unsafe] => h | HighlightModifier::Unsafe,
-                T![true] | T![false] => HighlightTag::BoolLiteral.into(),
+                | T![in] => h | HlMod::ControlFlow,
+                T![for] if !is_child_of_impl(&element) => h | HlMod::ControlFlow,
+                T![unsafe] => h | HlMod::Unsafe,
+                T![true] | T![false] => HlTag::BoolLiteral.into(),
                 T![self] => {
                     let self_param_is_mut = element
                         .parent()
@@ -495,7 +476,7 @@ fn highlight_element(
                         .and_then(SyntaxNode::parent)
                         .and_then(ast::Path::cast)
                         .and_then(|p| sema.resolve_path(&p));
-                    let mut h = HighlightTag::Symbol(SymbolKind::SelfParam).into();
+                    let mut h = HlTag::Symbol(SymbolKind::SelfParam).into();
                     if self_param_is_mut
                         || matches!(self_path,
                             Some(hir::PathResolution::Local(local))
@@ -503,12 +484,12 @@ fn highlight_element(
                                     && (local.is_mut(db) || local.ty(db).is_mutable_reference())
                         )
                     {
-                        h |= HighlightModifier::Mutable
+                        h |= HlMod::Mutable
                     }
 
                     if let Some(hir::PathResolution::Local(local)) = self_path {
                         if is_consumed_lvalue(element, &local, db) {
-                            h |= HighlightModifier::Consuming;
+                            h |= HlMod::Consuming;
                         }
                     }
 
@@ -519,7 +500,7 @@ fn highlight_element(
                     .and_then(ast::IdentPat::cast)
                     .and_then(|ident_pat| {
                         if sema.is_unsafe_ident_pat(&ident_pat) {
-                            Some(HighlightModifier::Unsafe)
+                            Some(HlMod::Unsafe)
                         } else {
                             None
                         }
@@ -568,21 +549,21 @@ fn highlight_method_call(
     method_call: &ast::MethodCallExpr,
 ) -> Option<Highlight> {
     let func = sema.resolve_method_call(&method_call)?;
-    let mut h = HighlightTag::Symbol(SymbolKind::Function).into();
-    h |= HighlightModifier::Associated;
+    let mut h = HlTag::Symbol(SymbolKind::Function).into();
+    h |= HlMod::Associated;
     if func.is_unsafe(sema.db) || sema.is_unsafe_method_call(&method_call) {
-        h |= HighlightModifier::Unsafe;
+        h |= HlMod::Unsafe;
     }
     if let Some(self_param) = func.self_param(sema.db) {
         match self_param.access(sema.db) {
             hir::Access::Shared => (),
-            hir::Access::Exclusive => h |= HighlightModifier::Mutable,
+            hir::Access::Exclusive => h |= HlMod::Mutable,
             hir::Access::Owned => {
                 if let Some(receiver_ty) =
                     method_call.receiver().and_then(|it| sema.type_of_expr(&it))
                 {
                     if !receiver_ty.is_copy(sema.db) {
-                        h |= HighlightModifier::Consuming
+                        h |= HlMod::Consuming
                     }
                 }
             }
@@ -593,78 +574,78 @@ fn highlight_method_call(
 
 fn highlight_def(db: &RootDatabase, def: Definition) -> Highlight {
     match def {
-        Definition::Macro(_) => HighlightTag::Symbol(SymbolKind::Macro),
-        Definition::Field(_) => HighlightTag::Symbol(SymbolKind::Field),
+        Definition::Macro(_) => HlTag::Symbol(SymbolKind::Macro),
+        Definition::Field(_) => HlTag::Symbol(SymbolKind::Field),
         Definition::ModuleDef(def) => match def {
-            hir::ModuleDef::Module(_) => HighlightTag::Symbol(SymbolKind::Module),
+            hir::ModuleDef::Module(_) => HlTag::Symbol(SymbolKind::Module),
             hir::ModuleDef::Function(func) => {
-                let mut h = Highlight::new(HighlightTag::Symbol(SymbolKind::Function));
+                let mut h = Highlight::new(HlTag::Symbol(SymbolKind::Function));
                 if func.as_assoc_item(db).is_some() {
-                    h |= HighlightModifier::Associated;
+                    h |= HlMod::Associated;
                     if func.self_param(db).is_none() {
-                        h |= HighlightModifier::Static
+                        h |= HlMod::Static
                     }
                 }
                 if func.is_unsafe(db) {
-                    h |= HighlightModifier::Unsafe;
+                    h |= HlMod::Unsafe;
                 }
                 return h;
             }
-            hir::ModuleDef::Adt(hir::Adt::Struct(_)) => HighlightTag::Symbol(SymbolKind::Struct),
-            hir::ModuleDef::Adt(hir::Adt::Enum(_)) => HighlightTag::Symbol(SymbolKind::Enum),
-            hir::ModuleDef::Adt(hir::Adt::Union(_)) => HighlightTag::Symbol(SymbolKind::Union),
-            hir::ModuleDef::Variant(_) => HighlightTag::Symbol(SymbolKind::Variant),
+            hir::ModuleDef::Adt(hir::Adt::Struct(_)) => HlTag::Symbol(SymbolKind::Struct),
+            hir::ModuleDef::Adt(hir::Adt::Enum(_)) => HlTag::Symbol(SymbolKind::Enum),
+            hir::ModuleDef::Adt(hir::Adt::Union(_)) => HlTag::Symbol(SymbolKind::Union),
+            hir::ModuleDef::Variant(_) => HlTag::Symbol(SymbolKind::Variant),
             hir::ModuleDef::Const(konst) => {
-                let mut h = Highlight::new(HighlightTag::Symbol(SymbolKind::Const));
+                let mut h = Highlight::new(HlTag::Symbol(SymbolKind::Const));
                 if konst.as_assoc_item(db).is_some() {
-                    h |= HighlightModifier::Associated
+                    h |= HlMod::Associated
                 }
                 return h;
             }
-            hir::ModuleDef::Trait(_) => HighlightTag::Symbol(SymbolKind::Trait),
+            hir::ModuleDef::Trait(_) => HlTag::Symbol(SymbolKind::Trait),
             hir::ModuleDef::TypeAlias(type_) => {
-                let mut h = Highlight::new(HighlightTag::Symbol(SymbolKind::TypeAlias));
+                let mut h = Highlight::new(HlTag::Symbol(SymbolKind::TypeAlias));
                 if type_.as_assoc_item(db).is_some() {
-                    h |= HighlightModifier::Associated
+                    h |= HlMod::Associated
                 }
                 return h;
             }
-            hir::ModuleDef::BuiltinType(_) => HighlightTag::BuiltinType,
+            hir::ModuleDef::BuiltinType(_) => HlTag::BuiltinType,
             hir::ModuleDef::Static(s) => {
-                let mut h = Highlight::new(HighlightTag::Symbol(SymbolKind::Static));
+                let mut h = Highlight::new(HlTag::Symbol(SymbolKind::Static));
                 if s.is_mut(db) {
-                    h |= HighlightModifier::Mutable;
-                    h |= HighlightModifier::Unsafe;
+                    h |= HlMod::Mutable;
+                    h |= HlMod::Unsafe;
                 }
                 return h;
             }
         },
-        Definition::SelfType(_) => HighlightTag::Symbol(SymbolKind::Impl),
-        Definition::TypeParam(_) => HighlightTag::Symbol(SymbolKind::TypeParam),
-        Definition::ConstParam(_) => HighlightTag::Symbol(SymbolKind::ConstParam),
+        Definition::SelfType(_) => HlTag::Symbol(SymbolKind::Impl),
+        Definition::TypeParam(_) => HlTag::Symbol(SymbolKind::TypeParam),
+        Definition::ConstParam(_) => HlTag::Symbol(SymbolKind::ConstParam),
         Definition::Local(local) => {
             let tag = if local.is_param(db) {
-                HighlightTag::Symbol(SymbolKind::ValueParam)
+                HlTag::Symbol(SymbolKind::ValueParam)
             } else {
-                HighlightTag::Symbol(SymbolKind::Local)
+                HlTag::Symbol(SymbolKind::Local)
             };
             let mut h = Highlight::new(tag);
             if local.is_mut(db) || local.ty(db).is_mutable_reference() {
-                h |= HighlightModifier::Mutable;
+                h |= HlMod::Mutable;
             }
             if local.ty(db).as_callable(db).is_some() || local.ty(db).impls_fnonce(db) {
-                h |= HighlightModifier::Callable;
+                h |= HlMod::Callable;
             }
             return h;
         }
-        Definition::LifetimeParam(_) => HighlightTag::Symbol(SymbolKind::LifetimeParam),
-        Definition::Label(_) => HighlightTag::Symbol(SymbolKind::Label),
+        Definition::LifetimeParam(_) => HlTag::Symbol(SymbolKind::LifetimeParam),
+        Definition::Label(_) => HlTag::Symbol(SymbolKind::Label),
     }
     .into()
 }
 
 fn highlight_name_by_syntax(name: ast::Name) -> Highlight {
-    let default = HighlightTag::UnresolvedReference;
+    let default = HlTag::UnresolvedReference;
 
     let parent = match name.syntax().parent() {
         Some(it) => it,
@@ -672,19 +653,19 @@ fn highlight_name_by_syntax(name: ast::Name) -> Highlight {
     };
 
     let tag = match parent.kind() {
-        STRUCT => HighlightTag::Symbol(SymbolKind::Struct),
-        ENUM => HighlightTag::Symbol(SymbolKind::Enum),
-        VARIANT => HighlightTag::Symbol(SymbolKind::Variant),
-        UNION => HighlightTag::Symbol(SymbolKind::Union),
-        TRAIT => HighlightTag::Symbol(SymbolKind::Trait),
-        TYPE_ALIAS => HighlightTag::Symbol(SymbolKind::TypeAlias),
-        TYPE_PARAM => HighlightTag::Symbol(SymbolKind::TypeParam),
-        RECORD_FIELD => HighlightTag::Symbol(SymbolKind::Field),
-        MODULE => HighlightTag::Symbol(SymbolKind::Module),
-        FN => HighlightTag::Symbol(SymbolKind::Function),
-        CONST => HighlightTag::Symbol(SymbolKind::Const),
-        STATIC => HighlightTag::Symbol(SymbolKind::Static),
-        IDENT_PAT => HighlightTag::Symbol(SymbolKind::Local),
+        STRUCT => HlTag::Symbol(SymbolKind::Struct),
+        ENUM => HlTag::Symbol(SymbolKind::Enum),
+        VARIANT => HlTag::Symbol(SymbolKind::Variant),
+        UNION => HlTag::Symbol(SymbolKind::Union),
+        TRAIT => HlTag::Symbol(SymbolKind::Trait),
+        TYPE_ALIAS => HlTag::Symbol(SymbolKind::TypeAlias),
+        TYPE_PARAM => HlTag::Symbol(SymbolKind::TypeParam),
+        RECORD_FIELD => HlTag::Symbol(SymbolKind::Field),
+        MODULE => HlTag::Symbol(SymbolKind::Module),
+        FN => HlTag::Symbol(SymbolKind::Function),
+        CONST => HlTag::Symbol(SymbolKind::Const),
+        STATIC => HlTag::Symbol(SymbolKind::Static),
+        IDENT_PAT => HlTag::Symbol(SymbolKind::Local),
         _ => default,
     };
 
@@ -692,7 +673,7 @@ fn highlight_name_by_syntax(name: ast::Name) -> Highlight {
 }
 
 fn highlight_name_ref_by_syntax(name: ast::NameRef, sema: &Semantics<RootDatabase>) -> Highlight {
-    let default = HighlightTag::UnresolvedReference;
+    let default = HlTag::UnresolvedReference;
 
     let parent = match name.syntax().parent() {
         Some(it) => it,
@@ -703,10 +684,10 @@ fn highlight_name_ref_by_syntax(name: ast::NameRef, sema: &Semantics<RootDatabas
         METHOD_CALL_EXPR => {
             return ast::MethodCallExpr::cast(parent)
                 .and_then(|method_call| highlight_method_call(sema, &method_call))
-                .unwrap_or_else(|| HighlightTag::Symbol(SymbolKind::Function).into());
+                .unwrap_or_else(|| HlTag::Symbol(SymbolKind::Function).into());
         }
         FIELD_EXPR => {
-            let h = HighlightTag::Symbol(SymbolKind::Field);
+            let h = HlTag::Symbol(SymbolKind::Field);
             let is_union = ast::FieldExpr::cast(parent)
                 .and_then(|field_expr| {
                     let field = sema.resolve_field(&field_expr)?;
@@ -718,7 +699,7 @@ fn highlight_name_ref_by_syntax(name: ast::NameRef, sema: &Semantics<RootDatabas
                 })
                 .unwrap_or(false);
             if is_union {
-                h | HighlightModifier::Unsafe
+                h | HlMod::Unsafe
             } else {
                 h.into()
             }
@@ -733,9 +714,9 @@ fn highlight_name_ref_by_syntax(name: ast::NameRef, sema: &Semantics<RootDatabas
                 _ => {
                     // within path, decide whether it is module or adt by checking for uppercase name
                     return if name.text().chars().next().unwrap_or_default().is_uppercase() {
-                        HighlightTag::Symbol(SymbolKind::Struct)
+                        HlTag::Symbol(SymbolKind::Struct)
                     } else {
-                        HighlightTag::Symbol(SymbolKind::Module)
+                        HlTag::Symbol(SymbolKind::Module)
                     }
                     .into();
                 }
@@ -746,11 +727,11 @@ fn highlight_name_ref_by_syntax(name: ast::NameRef, sema: &Semantics<RootDatabas
             };
 
             match parent.kind() {
-                CALL_EXPR => HighlightTag::Symbol(SymbolKind::Function).into(),
+                CALL_EXPR => HlTag::Symbol(SymbolKind::Function).into(),
                 _ => if name.text().chars().next().unwrap_or_default().is_uppercase() {
-                    HighlightTag::Symbol(SymbolKind::Struct)
+                    HlTag::Symbol(SymbolKind::Struct)
                 } else {
-                    HighlightTag::Symbol(SymbolKind::Const)
+                    HlTag::Symbol(SymbolKind::Const)
                 }
                 .into(),
             }
diff --git a/crates/ide/src/syntax_highlighting/format.rs b/crates/ide/src/syntax_highlighting/format.rs
index ab66b406c..94cecd97f 100644
--- a/crates/ide/src/syntax_highlighting/format.rs
+++ b/crates/ide/src/syntax_highlighting/format.rs
@@ -4,7 +4,7 @@ use syntax::{
     AstNode, AstToken, SyntaxElement, SyntaxKind, SyntaxNode, TextRange,
 };
 
-use crate::{HighlightTag, HighlightedRange, SymbolKind};
+use crate::{HighlightedRange, HlTag, SymbolKind};
 
 use super::highlights::Highlights;
 
@@ -57,7 +57,7 @@ impl FormatStringHighlighter {
     }
 }
 
-fn highlight_format_specifier(kind: FormatSpecifier) -> Option<HighlightTag> {
+fn highlight_format_specifier(kind: FormatSpecifier) -> Option<HlTag> {
     Some(match kind {
         FormatSpecifier::Open
         | FormatSpecifier::Close
@@ -69,8 +69,8 @@ fn highlight_format_specifier(kind: FormatSpecifier) -> Option<HighlightTag> {
         | FormatSpecifier::DollarSign
         | FormatSpecifier::Dot
         | FormatSpecifier::Asterisk
-        | FormatSpecifier::QuestionMark => HighlightTag::FormatSpecifier,
-        FormatSpecifier::Integer | FormatSpecifier::Zero => HighlightTag::NumericLiteral,
-        FormatSpecifier::Identifier => HighlightTag::Symbol(SymbolKind::Local),
+        | FormatSpecifier::QuestionMark => HlTag::FormatSpecifier,
+        FormatSpecifier::Integer | FormatSpecifier::Zero => HlTag::NumericLiteral,
+        FormatSpecifier::Identifier => HlTag::Symbol(SymbolKind::Local),
     })
 }
diff --git a/crates/ide/src/syntax_highlighting/highlights.rs b/crates/ide/src/syntax_highlighting/highlights.rs
index 7ff1593ae..f52076509 100644
--- a/crates/ide/src/syntax_highlighting/highlights.rs
+++ b/crates/ide/src/syntax_highlighting/highlights.rs
@@ -4,7 +4,7 @@ use std::{cmp::Ordering, iter};
 use stdx::equal_range_by;
 use syntax::TextRange;
 
-use crate::{HighlightTag, HighlightedRange};
+use crate::{HighlightedRange, HlTag};
 
 pub(super) struct Highlights {
     root: Node,
@@ -20,7 +20,7 @@ impl Highlights {
         Highlights {
             root: Node::new(HighlightedRange {
                 range,
-                highlight: HighlightTag::None.into(),
+                highlight: HlTag::None.into(),
                 binding_hash: None,
             }),
         }
diff --git a/crates/ide/src/syntax_highlighting/injection.rs b/crates/ide/src/syntax_highlighting/injection.rs
index 98ee03e0d..a6941234e 100644
--- a/crates/ide/src/syntax_highlighting/injection.rs
+++ b/crates/ide/src/syntax_highlighting/injection.rs
@@ -7,7 +7,7 @@ use ide_db::call_info::ActiveParameter;
 use itertools::Itertools;
 use syntax::{ast, AstToken, SyntaxNode, SyntaxToken, TextRange, TextSize};
 
-use crate::{Analysis, HighlightModifier, HighlightTag, HighlightedRange, RootDatabase};
+use crate::{Analysis, HighlightedRange, HlMod, HlTag, RootDatabase};
 
 use super::{highlights::Highlights, injector::Injector};
 
@@ -28,7 +28,7 @@ pub(super) fn highlight_injection(
     if let Some(range) = literal.open_quote_text_range() {
         acc.add(HighlightedRange {
             range,
-            highlight: HighlightTag::StringLiteral.into(),
+            highlight: HlTag::StringLiteral.into(),
             binding_hash: None,
         })
     }
@@ -44,7 +44,7 @@ pub(super) fn highlight_injection(
     if let Some(range) = literal.close_quote_text_range() {
         acc.add(HighlightedRange {
             range,
-            highlight: HighlightTag::StringLiteral.into(),
+            highlight: HlTag::StringLiteral.into(),
             binding_hash: None,
         })
     }
@@ -171,7 +171,7 @@ pub(super) fn extract_doc_comments(node: &SyntaxNode) -> Option<(Vec<Highlighted
                     range.start(),
                     range.start() + TextSize::try_from(pos).unwrap(),
                 ),
-                highlight: HighlightTag::Comment | HighlightModifier::Documentation,
+                highlight: HlTag::Comment | HlMod::Documentation,
                 binding_hash: None,
             });
             line_start += range.len() - TextSize::try_from(pos).unwrap();
@@ -209,7 +209,7 @@ pub(super) fn highlight_doc_comment(
         for r in inj.map_range_up(h.range) {
             stack.add(HighlightedRange {
                 range: r,
-                highlight: h.highlight | HighlightModifier::Injected,
+                highlight: h.highlight | HlMod::Injected,
                 binding_hash: h.binding_hash,
             });
         }
diff --git a/crates/ide/src/syntax_highlighting/macro_rules.rs b/crates/ide/src/syntax_highlighting/macro_rules.rs
index 4462af47e..71dd1ccc5 100644
--- a/crates/ide/src/syntax_highlighting/macro_rules.rs
+++ b/crates/ide/src/syntax_highlighting/macro_rules.rs
@@ -1,7 +1,7 @@
 //! Syntax highlighting for macro_rules!.
 use syntax::{SyntaxElement, SyntaxKind, SyntaxToken, TextRange, T};
 
-use crate::{HighlightTag, HighlightedRange};
+use crate::{HighlightedRange, HlTag};
 
 #[derive(Default)]
 pub(super) struct MacroRulesHighlighter {
@@ -25,7 +25,7 @@ impl MacroRulesHighlighter {
                 if let Some(range) = is_metavariable(element) {
                     return Some(HighlightedRange {
                         range,
-                        highlight: HighlightTag::UnresolvedReference.into(),
+                        highlight: HlTag::UnresolvedReference.into(),
                         binding_hash: None,
                     });
                 }
diff --git a/crates/ide/src/syntax_highlighting/tags.rs b/crates/ide/src/syntax_highlighting/tags.rs
index 07c788b50..2f39bcc8e 100644
--- a/crates/ide/src/syntax_highlighting/tags.rs
+++ b/crates/ide/src/syntax_highlighting/tags.rs
@@ -7,15 +7,15 @@ use crate::SymbolKind;
 
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord)]
 pub struct Highlight {
-    pub tag: HighlightTag,
-    pub modifiers: HighlightModifiers,
+    pub tag: HlTag,
+    pub mods: HlMods,
 }
 
 #[derive(Default, Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord)]
-pub struct HighlightModifiers(u32);
+pub struct HlMods(u32);
 
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord)]
-pub enum HighlightTag {
+pub enum HlTag {
     Symbol(SymbolKind),
 
     BoolLiteral,
@@ -39,7 +39,7 @@ pub enum HighlightTag {
 
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord)]
 #[repr(u8)]
-pub enum HighlightModifier {
+pub enum HlMod {
     /// Used to differentiate individual elements within attributes.
     Attribute = 0,
     /// Used with keywords like `if` and `break`.
@@ -61,10 +61,10 @@ pub enum HighlightModifier {
     Unsafe,
 }
 
-impl HighlightTag {
+impl HlTag {
     fn as_str(self) -> &'static str {
         match self {
-            HighlightTag::Symbol(symbol) => match symbol {
+            HlTag::Symbol(symbol) => match symbol {
                 SymbolKind::Const => "constant",
                 SymbolKind::Static => "static",
                 SymbolKind::Enum => "enum",
@@ -86,59 +86,59 @@ impl HighlightTag {
                 SymbolKind::SelfParam => "self_keyword",
                 SymbolKind::Impl => "self_type",
             },
-            HighlightTag::Attribute => "attribute",
-            HighlightTag::BoolLiteral => "bool_literal",
-            HighlightTag::BuiltinType => "builtin_type",
-            HighlightTag::ByteLiteral => "byte_literal",
-            HighlightTag::CharLiteral => "char_literal",
-            HighlightTag::Comment => "comment",
-            HighlightTag::EscapeSequence => "escape_sequence",
-            HighlightTag::FormatSpecifier => "format_specifier",
-            HighlightTag::Keyword => "keyword",
-            HighlightTag::Punctuation => "punctuation",
-            HighlightTag::NumericLiteral => "numeric_literal",
-            HighlightTag::Operator => "operator",
-            HighlightTag::StringLiteral => "string_literal",
-            HighlightTag::UnresolvedReference => "unresolved_reference",
-            HighlightTag::None => "none",
+            HlTag::Attribute => "attribute",
+            HlTag::BoolLiteral => "bool_literal",
+            HlTag::BuiltinType => "builtin_type",
+            HlTag::ByteLiteral => "byte_literal",
+            HlTag::CharLiteral => "char_literal",
+            HlTag::Comment => "comment",
+            HlTag::EscapeSequence => "escape_sequence",
+            HlTag::FormatSpecifier => "format_specifier",
+            HlTag::Keyword => "keyword",
+            HlTag::Punctuation => "punctuation",
+            HlTag::NumericLiteral => "numeric_literal",
+            HlTag::Operator => "operator",
+            HlTag::StringLiteral => "string_literal",
+            HlTag::UnresolvedReference => "unresolved_reference",
+            HlTag::None => "none",
         }
     }
 }
 
-impl fmt::Display for HighlightTag {
+impl fmt::Display for HlTag {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         fmt::Display::fmt(self.as_str(), f)
     }
 }
 
-impl HighlightModifier {
-    const ALL: &'static [HighlightModifier; HighlightModifier::Unsafe as u8 as usize + 1] = &[
-        HighlightModifier::Attribute,
-        HighlightModifier::ControlFlow,
-        HighlightModifier::Definition,
-        HighlightModifier::Documentation,
-        HighlightModifier::Injected,
-        HighlightModifier::Mutable,
-        HighlightModifier::Consuming,
-        HighlightModifier::Callable,
-        HighlightModifier::Static,
-        HighlightModifier::Associated,
-        HighlightModifier::Unsafe,
+impl HlMod {
+    const ALL: &'static [HlMod; HlMod::Unsafe as u8 as usize + 1] = &[
+        HlMod::Attribute,
+        HlMod::ControlFlow,
+        HlMod::Definition,
+        HlMod::Documentation,
+        HlMod::Injected,
+        HlMod::Mutable,
+        HlMod::Consuming,
+        HlMod::Callable,
+        HlMod::Static,
+        HlMod::Associated,
+        HlMod::Unsafe,
     ];
 
     fn as_str(self) -> &'static str {
         match self {
-            HighlightModifier::Attribute => "attribute",
-            HighlightModifier::ControlFlow => "control",
-            HighlightModifier::Definition => "declaration",
-            HighlightModifier::Documentation => "documentation",
-            HighlightModifier::Injected => "injected",
-            HighlightModifier::Mutable => "mutable",
-            HighlightModifier::Consuming => "consuming",
-            HighlightModifier::Unsafe => "unsafe",
-            HighlightModifier::Callable => "callable",
-            HighlightModifier::Static => "static",
-            HighlightModifier::Associated => "associated",
+            HlMod::Attribute => "attribute",
+            HlMod::ControlFlow => "control",
+            HlMod::Definition => "declaration",
+            HlMod::Documentation => "documentation",
+            HlMod::Injected => "injected",
+            HlMod::Mutable => "mutable",
+            HlMod::Consuming => "consuming",
+            HlMod::Unsafe => "unsafe",
+            HlMod::Callable => "callable",
+            HlMod::Static => "static",
+            HlMod::Associated => "associated",
         }
     }
 
@@ -147,7 +147,7 @@ impl HighlightModifier {
     }
 }
 
-impl fmt::Display for HighlightModifier {
+impl fmt::Display for HlMod {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         fmt::Display::fmt(self.as_str(), f)
     }
@@ -156,63 +156,63 @@ impl fmt::Display for HighlightModifier {
 impl fmt::Display for Highlight {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         write!(f, "{}", self.tag)?;
-        for modifier in self.modifiers.iter() {
+        for modifier in self.mods.iter() {
             write!(f, ".{}", modifier)?
         }
         Ok(())
     }
 }
 
-impl From<HighlightTag> for Highlight {
-    fn from(tag: HighlightTag) -> Highlight {
+impl From<HlTag> for Highlight {
+    fn from(tag: HlTag) -> Highlight {
         Highlight::new(tag)
     }
 }
 
 impl Highlight {
-    pub(crate) fn new(tag: HighlightTag) -> Highlight {
-        Highlight { tag, modifiers: HighlightModifiers::default() }
+    pub(crate) fn new(tag: HlTag) -> Highlight {
+        Highlight { tag, mods: HlMods::default() }
     }
     pub fn is_empty(&self) -> bool {
-        self.tag == HighlightTag::None && self.modifiers == HighlightModifiers::default()
+        self.tag == HlTag::None && self.mods == HlMods::default()
     }
 }
 
-impl ops::BitOr<HighlightModifier> for HighlightTag {
+impl ops::BitOr<HlMod> for HlTag {
     type Output = Highlight;
 
-    fn bitor(self, rhs: HighlightModifier) -> Highlight {
+    fn bitor(self, rhs: HlMod) -> Highlight {
         Highlight::new(self) | rhs
     }
 }
 
-impl ops::BitOrAssign<HighlightModifier> for HighlightModifiers {
-    fn bitor_assign(&mut self, rhs: HighlightModifier) {
+impl ops::BitOrAssign<HlMod> for HlMods {
+    fn bitor_assign(&mut self, rhs: HlMod) {
         self.0 |= rhs.mask();
     }
 }
 
-impl ops::BitOrAssign<HighlightModifier> for Highlight {
-    fn bitor_assign(&mut self, rhs: HighlightModifier) {
-        self.modifiers |= rhs;
+impl ops::BitOrAssign<HlMod> for Highlight {
+    fn bitor_assign(&mut self, rhs: HlMod) {
+        self.mods |= rhs;
     }
 }
 
-impl ops::BitOr<HighlightModifier> for Highlight {
+impl ops::BitOr<HlMod> for Highlight {
     type Output = Highlight;
 
-    fn bitor(mut self, rhs: HighlightModifier) -> Highlight {
+    fn bitor(mut self, rhs: HlMod) -> Highlight {
         self |= rhs;
         self
     }
 }
 
-impl HighlightModifiers {
-    pub fn contains(self, m: HighlightModifier) -> bool {
+impl HlMods {
+    pub fn contains(self, m: HlMod) -> bool {
         self.0 & m.mask() == m.mask()
     }
 
-    pub fn iter(self) -> impl Iterator<Item = HighlightModifier> {
-        HighlightModifier::ALL.iter().copied().filter(move |it| self.0 & it.mask() == it.mask())
+    pub fn iter(self) -> impl Iterator<Item = HlMod> {
+        HlMod::ALL.iter().copied().filter(move |it| self.0 & it.mask() == it.mask())
     }
 }
diff --git a/crates/rust-analyzer/src/to_proto.rs b/crates/rust-analyzer/src/to_proto.rs
index 4cfe6ff51..0c31a9fed 100644
--- a/crates/rust-analyzer/src/to_proto.rs
+++ b/crates/rust-analyzer/src/to_proto.rs
@@ -6,10 +6,9 @@ use std::{
 
 use ide::{
     Assist, AssistKind, CallInfo, CompletionItem, CompletionItemKind, Documentation, FileId,
-    FileRange, FileSystemEdit, Fold, FoldKind, Highlight, HighlightModifier, HighlightTag,
-    HighlightedRange, Indel, InlayHint, InlayKind, InsertTextFormat, LineIndex, Markup,
-    NavigationTarget, ReferenceAccess, Runnable, Severity, SourceChange, SourceFileEdit,
-    SymbolKind, TextEdit, TextRange, TextSize,
+    FileRange, FileSystemEdit, Fold, FoldKind, Highlight, HighlightedRange, HlMod, HlTag, Indel,
+    InlayHint, InlayKind, InsertTextFormat, LineIndex, Markup, NavigationTarget, ReferenceAccess,
+    Runnable, Severity, SourceChange, SourceFileEdit, SymbolKind, TextEdit, TextRange, TextSize,
 };
 use itertools::Itertools;
 
@@ -377,7 +376,7 @@ fn semantic_token_type_and_modifiers(
 ) -> (lsp_types::SemanticTokenType, semantic_tokens::ModifierSet) {
     let mut mods = semantic_tokens::ModifierSet::default();
     let type_ = match highlight.tag {
-        HighlightTag::Symbol(symbol) => match symbol {
+        HlTag::Symbol(symbol) => match symbol {
             SymbolKind::Module => lsp_types::SemanticTokenType::NAMESPACE,
             SymbolKind::Impl => lsp_types::SemanticTokenType::TYPE,
             SymbolKind::Field => lsp_types::SemanticTokenType::PROPERTY,
@@ -389,7 +388,7 @@ fn semantic_token_type_and_modifiers(
             SymbolKind::SelfParam => semantic_tokens::SELF_KEYWORD,
             SymbolKind::Local => lsp_types::SemanticTokenType::VARIABLE,
             SymbolKind::Function => {
-                if highlight.modifiers.contains(HighlightModifier::Associated) {
+                if highlight.mods.contains(HlMod::Associated) {
                     lsp_types::SemanticTokenType::METHOD
                 } else {
                     lsp_types::SemanticTokenType::FUNCTION
@@ -412,38 +411,34 @@ fn semantic_token_type_and_modifiers(
             SymbolKind::Trait => lsp_types::SemanticTokenType::INTERFACE,
             SymbolKind::Macro => lsp_types::SemanticTokenType::MACRO,
         },
-        HighlightTag::BuiltinType => semantic_tokens::BUILTIN_TYPE,
-        HighlightTag::None => semantic_tokens::GENERIC,
-        HighlightTag::ByteLiteral | HighlightTag::NumericLiteral => {
-            lsp_types::SemanticTokenType::NUMBER
-        }
-        HighlightTag::BoolLiteral => semantic_tokens::BOOLEAN,
-        HighlightTag::CharLiteral | HighlightTag::StringLiteral => {
-            lsp_types::SemanticTokenType::STRING
-        }
-        HighlightTag::Comment => lsp_types::SemanticTokenType::COMMENT,
-        HighlightTag::Attribute => semantic_tokens::ATTRIBUTE,
-        HighlightTag::Keyword => lsp_types::SemanticTokenType::KEYWORD,
-        HighlightTag::UnresolvedReference => semantic_tokens::UNRESOLVED_REFERENCE,
-        HighlightTag::FormatSpecifier => semantic_tokens::FORMAT_SPECIFIER,
-        HighlightTag::Operator => lsp_types::SemanticTokenType::OPERATOR,
-        HighlightTag::EscapeSequence => semantic_tokens::ESCAPE_SEQUENCE,
-        HighlightTag::Punctuation => semantic_tokens::PUNCTUATION,
+        HlTag::BuiltinType => semantic_tokens::BUILTIN_TYPE,
+        HlTag::None => semantic_tokens::GENERIC,
+        HlTag::ByteLiteral | HlTag::NumericLiteral => lsp_types::SemanticTokenType::NUMBER,
+        HlTag::BoolLiteral => semantic_tokens::BOOLEAN,
+        HlTag::CharLiteral | HlTag::StringLiteral => lsp_types::SemanticTokenType::STRING,
+        HlTag::Comment => lsp_types::SemanticTokenType::COMMENT,
+        HlTag::Attribute => semantic_tokens::ATTRIBUTE,
+        HlTag::Keyword => lsp_types::SemanticTokenType::KEYWORD,
+        HlTag::UnresolvedReference => semantic_tokens::UNRESOLVED_REFERENCE,
+        HlTag::FormatSpecifier => semantic_tokens::FORMAT_SPECIFIER,
+        HlTag::Operator => lsp_types::SemanticTokenType::OPERATOR,
+        HlTag::EscapeSequence => semantic_tokens::ESCAPE_SEQUENCE,
+        HlTag::Punctuation => semantic_tokens::PUNCTUATION,
     };
 
-    for modifier in highlight.modifiers.iter() {
+    for modifier in highlight.mods.iter() {
         let modifier = match modifier {
-            HighlightModifier::Attribute => semantic_tokens::ATTRIBUTE_MODIFIER,
-            HighlightModifier::Definition => lsp_types::SemanticTokenModifier::DECLARATION,
-            HighlightModifier::Documentation => lsp_types::SemanticTokenModifier::DOCUMENTATION,
-            HighlightModifier::Injected => semantic_tokens::INJECTED,
-            HighlightModifier::ControlFlow => semantic_tokens::CONTROL_FLOW,
-            HighlightModifier::Mutable => semantic_tokens::MUTABLE,
-            HighlightModifier::Consuming => semantic_tokens::CONSUMING,
-            HighlightModifier::Unsafe => semantic_tokens::UNSAFE,
-            HighlightModifier::Callable => semantic_tokens::CALLABLE,
-            HighlightModifier::Static => lsp_types::SemanticTokenModifier::STATIC,
-            HighlightModifier::Associated => continue,
+            HlMod::Attribute => semantic_tokens::ATTRIBUTE_MODIFIER,
+            HlMod::Definition => lsp_types::SemanticTokenModifier::DECLARATION,
+            HlMod::Documentation => lsp_types::SemanticTokenModifier::DOCUMENTATION,
+            HlMod::Injected => semantic_tokens::INJECTED,
+            HlMod::ControlFlow => semantic_tokens::CONTROL_FLOW,
+            HlMod::Mutable => semantic_tokens::MUTABLE,
+            HlMod::Consuming => semantic_tokens::CONSUMING,
+            HlMod::Unsafe => semantic_tokens::UNSAFE,
+            HlMod::Callable => semantic_tokens::CALLABLE,
+            HlMod::Static => lsp_types::SemanticTokenModifier::STATIC,
+            HlMod::Associated => continue,
         };
         mods |= modifier;
     }