90 files changed, 2311 insertions, 1953 deletions

diff --git a/Cargo.lock b/Cargo.lock
index 57383491a..5563fdeb2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -127,12 +127,23 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
 
 [[package]]
+name = "cargo-platform"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0226944a63d1bf35a3b5f948dd7c59e263db83695c9e8bffc4037de02e30f1d7"
+dependencies = [
+ "serde",
+]
+
+[[package]]
 name = "cargo_metadata"
-version = "0.12.0"
+version = "0.12.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d5a5f7b42f606b7f23674f6f4d877628350682bc40687d3fae65679a58d55345"
+checksum = "11a47b6286279a9998588ef7050d1ebc2500c69892a557c90fe5d071c64415dc"
 dependencies = [
+ "cargo-platform",
  "semver",
+ "semver-parser",
  "serde",
  "serde_json",
 ]
@@ -262,9 +273,9 @@ dependencies = [
 
 [[package]]
 name = "const_fn"
-version = "0.4.4"
+version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cd51eab21ab4fd6a3bf889e2d0958c0a6e3a61ad04260325e919e652a2a62826"
+checksum = "28b9d6de7f49e22cf97ad17fc4036ece69300032f45f78f30b4a4482cdc3f4a6"
 
 [[package]]
 name = "crc32fast"
@@ -774,9 +785,9 @@ checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
 
 [[package]]
 name = "libc"
-version = "0.2.81"
+version = "0.2.82"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1482821306169ec4d07f6aca392a4681f66c75c9918aa49641a2595db64053cb"
+checksum = "89203f3fba0a3795506acaad8ebce3c80c0af93f994d5a1d7a0b1eeb23271929"
 
 [[package]]
 name = "libloading"
@@ -1134,9 +1145,9 @@ checksum = "28b9b4df73455c861d7cbf8be42f01d3b373ed7f02e378d55fa84eafc6f638b1"
 
 [[package]]
 name = "pin-project-lite"
-version = "0.2.0"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6b063f57ec186e6140e2b8b6921e5f1bd89c7356dda5b33acc5401203ca6131c"
+checksum = "e36743d754ccdf9954c2e352ce2d4b106e024c814f6499c2dadff80da9a442d8"
 
 [[package]]
 name = "proc-macro2"
@@ -1449,9 +1460,9 @@ dependencies = [
 
 [[package]]
 name = "semver-parser"
-version = "0.10.1"
+version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "42ef146c2ad5e5f4b037cd6ce2ebb775401729b19a82040c1beac9d36c7d1428"
+checksum = "00b0bef5b7f9e0df16536d3961cfb6e84331c065b4066afb39768d0e319411f7"
 dependencies = [
  "pest",
 ]
@@ -1558,9 +1569,9 @@ version = "0.0.0"
 
 [[package]]
 name = "syn"
-version = "1.0.57"
+version = "1.0.58"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4211ce9909eb971f111059df92c45640aad50a619cf55cd76476be803c4c68e6"
+checksum = "cc60a3d73ea6594cd712d830cc1f0390fd71542d8c8cd24e70cc54cdfd5e05d5"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1643,9 +1654,9 @@ checksum = "db3c46be180f1af9673ebb27bc1235396f61ef6965b3fe0dbb2e624deb604f0e"
 
 [[package]]
 name = "thread_local"
-version = "1.0.1"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d40c6d1b69745a6ec6fb1ca717914848da4b44ae29d9b3080cbee91d72a69b14"
+checksum = "bb9bc092d0d51e76b2b19d9d85534ffc9ec2db959a2523cdae0697e2972cd447"
 dependencies = [
  "lazy_static",
 ]
diff --git a/crates/assists/src/handlers/remove_dbg.rs b/crates/assists/src/handlers/remove_dbg.rs
index 0320c2f12..6114091f2 100644
--- a/crates/assists/src/handlers/remove_dbg.rs
+++ b/crates/assists/src/handlers/remove_dbg.rs
@@ -1,6 +1,6 @@
 use syntax::{
     ast::{self, AstNode},
-    match_ast, SyntaxElement, SyntaxKind, TextRange, TextSize, T,
+    match_ast, SyntaxElement, TextRange, TextSize, T,
 };
 
 use crate::{AssistContext, AssistId, AssistKind, Assists};
@@ -136,14 +136,14 @@ fn needs_parentheses_around_macro_contents(macro_contents: Vec<SyntaxElement>) -
             symbol_kind => {
                 let symbol_not_in_bracket = unpaired_brackets_in_contents.is_empty();
                 if symbol_not_in_bracket
-                    && symbol_kind != SyntaxKind::COLON // paths
-                    && (symbol_kind != SyntaxKind::DOT // field/method access
+                    && symbol_kind != T![:] // paths
+                    && (symbol_kind != T![.] // field/method access
                         || macro_contents // range expressions consist of two SyntaxKind::Dot in macro invocations
                             .peek()
-                            .map(|element| element.kind() == SyntaxKind::DOT)
+                            .map(|element| element.kind() == T![.])
                             .unwrap_or(false))
-                    && symbol_kind != SyntaxKind::QUESTION // try operator
-                    && (symbol_kind.is_punct() || symbol_kind == SyntaxKind::AS_KW)
+                    && symbol_kind != T![?] // try operator
+                    && (symbol_kind.is_punct() || symbol_kind == T![as])
                 {
                     return true;
                 }
diff --git a/crates/completion/src/completions/attribute.rs b/crates/completion/src/completions/attribute.rs
index 3a29b5203..e5522980d 100644
--- a/crates/completion/src/completions/attribute.rs
+++ b/crates/completion/src/completions/attribute.rs
@@ -5,7 +5,7 @@
 
 use itertools::Itertools;
 use rustc_hash::FxHashSet;
-use syntax::{ast, AstNode, SyntaxKind};
+use syntax::{ast, AstNode, T};
 
 use crate::{
     context::CompletionContext,
@@ -21,15 +21,17 @@ pub(crate) fn complete_attribute(acc: &mut Completions, ctx: &CompletionContext)
 
     let attribute = ctx.attribute_under_caret.as_ref()?;
     match (attribute.path(), attribute.token_tree()) {
-        (Some(path), Some(token_tree)) => match path.to_string().as_str() {
-            "derive" => complete_derive(acc, ctx, token_tree),
-            "feature" => complete_lint(acc, ctx, token_tree, FEATURES),
-            "allow" | "warn" | "deny" | "forbid" => {
+        (Some(path), Some(token_tree)) => {
+            let path = path.syntax().text();
+            if path == "derive" {
+                complete_derive(acc, ctx, token_tree)
+            } else if path == "feature" {
+                complete_lint(acc, ctx, token_tree, FEATURES)
+            } else if path == "allow" || path == "warn" || path == "deny" || path == "forbid" {
                 complete_lint(acc, ctx, token_tree.clone(), DEFAULT_LINT_COMPLETIONS);
                 complete_lint(acc, ctx, token_tree, CLIPPY_LINTS);
             }
-            _ => {}
-        },
+        }
         (_, Some(_token_tree)) => {}
         _ => complete_attribute_start(acc, ctx, attribute),
     }
@@ -203,8 +205,7 @@ fn complete_lint(
 fn parse_comma_sep_input(derive_input: ast::TokenTree) -> Result<FxHashSet<String>, ()> {
     match (derive_input.left_delimiter_token(), derive_input.right_delimiter_token()) {
         (Some(left_paren), Some(right_paren))
-            if left_paren.kind() == SyntaxKind::L_PAREN
-                && right_paren.kind() == SyntaxKind::R_PAREN =>
+            if left_paren.kind() == T!['('] && right_paren.kind() == T![')'] =>
         {
             let mut input_derives = FxHashSet::default();
             let mut current_derive = String::new();
@@ -216,7 +217,7 @@ fn parse_comma_sep_input(derive_input: ast::TokenTree) -> Result<FxHashSet<Strin
                 .skip(1)
                 .take_while(|token| token != &right_paren)
             {
-                if SyntaxKind::COMMA == token.kind() {
+                if T![,] == token.kind() {
                     if !current_derive.is_empty() {
                         input_derives.insert(current_derive);
                         current_derive = String::new();
diff --git a/crates/completion/src/completions/postfix.rs b/crates/completion/src/completions/postfix.rs
index 87f0c0b2a..9c34ed0b6 100644
--- a/crates/completion/src/completions/postfix.rs
+++ b/crates/completion/src/completions/postfix.rs
@@ -35,11 +35,14 @@ pub(crate) fn complete_postfix(acc: &mut Completions, ctx: &CompletionContext) {
         None => return,
     };
 
+    let ref_removed_ty =
+        std::iter::successors(Some(receiver_ty.clone()), |ty| ty.remove_ref()).last().unwrap();
+
     let cap = match ctx.config.snippet_cap {
         Some(it) => it,
         None => return,
     };
-    let try_enum = TryEnum::from_ty(&ctx.sema, &receiver_ty);
+    let try_enum = TryEnum::from_ty(&ctx.sema, &ref_removed_ty);
     if let Some(try_enum) = &try_enum {
         match try_enum {
             TryEnum::Result => {
@@ -496,6 +499,27 @@ fn main() {
     fn postfix_completion_for_references() {
         check_edit("dbg", r#"fn main() { &&42.$0 }"#, r#"fn main() { dbg!(&&42) }"#);
         check_edit("refm", r#"fn main() { &&42.$0 }"#, r#"fn main() { &&&mut 42 }"#);
+        check_edit(
+            "ifl",
+            r#"
+enum Option<T> { Some(T), None }
+
+fn main() {
+    let bar = &Option::Some(true);
+    bar.$0
+}
+"#,
+            r#"
+enum Option<T> { Some(T), None }
+
+fn main() {
+    let bar = &Option::Some(true);
+    if let Some($1) = bar {
+    $0
+}
+}
+"#,
+        )
     }
 
     #[test]
diff --git a/crates/completion/src/completions/trait_impl.rs b/crates/completion/src/completions/trait_impl.rs
index aa9c845da..135ae49dc 100644
--- a/crates/completion/src/completions/trait_impl.rs
+++ b/crates/completion/src/completions/trait_impl.rs
@@ -93,11 +93,11 @@ fn completion_match(ctx: &CompletionContext) -> Option<(ImplCompletionKind, Synt
         // `impl .. { const $0 }`
         // ERROR      0
         //   CONST_KW <- *
-        SyntaxKind::CONST_KW => 0,
+        T![const] => 0,
         // `impl .. { fn/type $0 }`
         // FN/TYPE_ALIAS  0
         //   FN_KW        <- *
-        SyntaxKind::FN_KW | SyntaxKind::TYPE_KW => 0,
+        T![fn] | T![type] => 0,
         // `impl .. { fn/type/const foo$0 }`
         // FN/TYPE_ALIAS/CONST  1
         //  NAME                0
@@ -121,7 +121,7 @@ fn completion_match(ctx: &CompletionContext) -> Option<(ImplCompletionKind, Synt
     let impl_def = ast::Impl::cast(impl_item.parent()?.parent()?)?;
     let kind = match impl_item.kind() {
         // `impl ... { const $0 fn/type/const }`
-        _ if token.kind() == SyntaxKind::CONST_KW => ImplCompletionKind::Const,
+        _ if token.kind() == T![const] => ImplCompletionKind::Const,
         SyntaxKind::CONST | SyntaxKind::ERROR => ImplCompletionKind::Const,
         SyntaxKind::TYPE_ALIAS => ImplCompletionKind::TypeAlias,
         SyntaxKind::FN => ImplCompletionKind::Fn,
diff --git a/crates/completion/src/patterns.rs b/crates/completion/src/patterns.rs
index f148b9402..f3ce91dd1 100644
--- a/crates/completion/src/patterns.rs
+++ b/crates/completion/src/patterns.rs
@@ -5,7 +5,7 @@ use syntax::{
     ast::{self, LoopBodyOwner},
     match_ast, AstNode, Direction, NodeOrToken, SyntaxElement,
     SyntaxKind::*,
-    SyntaxNode, SyntaxToken,
+    SyntaxNode, SyntaxToken, T,
 };
 
 #[cfg(test)]
@@ -119,7 +119,7 @@ pub(crate) fn unsafe_is_prev(element: SyntaxElement) -> bool {
     element
         .into_token()
         .and_then(|it| previous_non_trivia_token(it))
-        .filter(|it| it.kind() == UNSAFE_KW)
+        .filter(|it| it.kind() == T![unsafe])
         .is_some()
 }
 #[test]
@@ -131,7 +131,7 @@ pub(crate) fn if_is_prev(element: SyntaxElement) -> bool {
     element
         .into_token()
         .and_then(|it| previous_non_trivia_token(it))
-        .filter(|it| it.kind() == IF_KW)
+        .filter(|it| it.kind() == T![if])
         .is_some()
 }
 
@@ -139,7 +139,7 @@ pub(crate) fn fn_is_prev(element: SyntaxElement) -> bool {
     element
         .into_token()
         .and_then(|it| previous_non_trivia_token(it))
-        .filter(|it| it.kind() == FN_KW)
+        .filter(|it| it.kind() == T![fn])
         .is_some()
 }
 #[test]
@@ -154,7 +154,7 @@ pub(crate) fn for_is_prev2(element: SyntaxElement) -> bool {
         .into_token()
         .and_then(|it| previous_non_trivia_token(it))
         .and_then(|it| previous_non_trivia_token(it))
-        .filter(|it| it.kind() == FOR_KW)
+        .filter(|it| it.kind() == T![for])
         .is_some()
 }
 #[test]
diff --git a/crates/flycheck/Cargo.toml b/crates/flycheck/Cargo.toml
index 1bad64a1b..1d19c7886 100644
--- a/crates/flycheck/Cargo.toml
+++ b/crates/flycheck/Cargo.toml
@@ -12,7 +12,7 @@ doctest = false
 [dependencies]
 crossbeam-channel = "0.5.0"
 log = "0.4.8"
-cargo_metadata = "=0.12.0"
+cargo_metadata = "0.12.2"
 serde_json = "1.0.48"
 jod-thread = "0.1.1"
 
diff --git a/crates/hir/src/code_model.rs b/crates/hir/src/code_model.rs
index cc1938333..6cbf5cecf 100644
--- a/crates/hir/src/code_model.rs
+++ b/crates/hir/src/code_model.rs
@@ -1263,6 +1263,24 @@ pub enum GenericParam {
 }
 impl_from!(TypeParam, LifetimeParam, ConstParam for GenericParam);
 
+impl GenericParam {
+    pub fn module(self, db: &dyn HirDatabase) -> Module {
+        match self {
+            GenericParam::TypeParam(it) => it.module(db),
+            GenericParam::LifetimeParam(it) => it.module(db),
+            GenericParam::ConstParam(it) => it.module(db),
+        }
+    }
+
+    pub fn name(self, db: &dyn HirDatabase) -> Name {
+        match self {
+            GenericParam::TypeParam(it) => it.name(db),
+            GenericParam::LifetimeParam(it) => it.name(db),
+            GenericParam::ConstParam(it) => it.name(db),
+        }
+    }
+}
+
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
 pub struct TypeParam {
     pub(crate) id: TypeParamId,
diff --git a/crates/hir/src/from_id.rs b/crates/hir/src/from_id.rs
index 3e47a5e9d..c8c5fecd7 100644
--- a/crates/hir/src/from_id.rs
+++ b/crates/hir/src/from_id.rs
@@ -1,6 +1,6 @@
 //! Utility module for converting between hir_def ids and code_model wrappers.
 //!
-//! It's unclear if we need this long-term, but it's definitelly useful while we
+//! It's unclear if we need this long-term, but it's definitely useful while we
 //! are splitting the hir.
 
 use hir_def::{
diff --git a/crates/hir_def/src/body/lower.rs b/crates/hir_def/src/body/lower.rs
index 6be1eaade..3dc33f248 100644
--- a/crates/hir_def/src/body/lower.rs
+++ b/crates/hir_def/src/body/lower.rs
@@ -581,7 +581,7 @@ impl ExprCollector<'_> {
         match res.value {
             Some((mark, expansion)) => {
                 // FIXME: Statements are too complicated to recover from error for now.
-                // It is because we don't have any hygenine for local variable expansion right now.
+                // It is because we don't have any hygiene for local variable expansion right now.
                 if T::can_cast(syntax::SyntaxKind::MACRO_STMTS) && res.err.is_some() {
                     self.expander.exit(self.db, mark);
                     collector(self, None);
@@ -959,7 +959,7 @@ impl ExprCollector<'_> {
 
     fn collect_tuple_pat(&mut self, args: AstChildren<ast::Pat>) -> (Vec<PatId>, Option<usize>) {
         // Find the location of the `..`, if there is one. Note that we do not
-        // consider the possiblity of there being multiple `..` here.
+        // consider the possibility of there being multiple `..` here.
         let ellipsis = args.clone().position(|p| matches!(p, ast::Pat::RestPat(_)));
         // We want to skip the `..` pattern here, since we account for it above.
         let args = args
diff --git a/crates/hir_def/src/expr.rs b/crates/hir_def/src/expr.rs
index 6a481769d..76f5721e5 100644
--- a/crates/hir_def/src/expr.rs
+++ b/crates/hir_def/src/expr.rs
@@ -1,6 +1,6 @@
 //! This module describes hir-level representation of expressions.
 //!
-//! This representaion is:
+//! This representation is:
 //!
 //! 1. Identity-based. Each expression has an `id`, so we can distinguish
 //!    between different `1` in `1 + 1`.
diff --git a/crates/hir_def/src/nameres/collector.rs b/crates/hir_def/src/nameres/collector.rs
index 77017e4ea..f027fd48d 100644
--- a/crates/hir_def/src/nameres/collector.rs
+++ b/crates/hir_def/src/nameres/collector.rs
@@ -267,7 +267,7 @@ impl DefCollector<'_> {
 
         // Resolve all indeterminate resolved imports again
         // As some of the macros will expand newly import shadowing partial resolved imports
-        // FIXME: We maybe could skip this, if we handle the Indetermine imports in `resolve_imports`
+        // FIXME: We maybe could skip this, if we handle the indeterminate imports in `resolve_imports`
         // correctly
         let partial_resolved = self.resolved_imports.iter().filter_map(|directive| {
             if let PartialResolvedImport::Indeterminate(_) = directive.status {
@@ -402,7 +402,7 @@ impl DefCollector<'_> {
 
     /// Define a proc macro
     ///
-    /// A proc macro is similar to normal macro scope, but it would not visiable in legacy textual scoped.
+    /// A proc macro is similar to normal macro scope, but it would not visible in legacy textual scoped.
     /// And unconditionally exported.
     fn define_proc_macro(&mut self, name: Name, macro_: MacroDefId) {
         self.update(
@@ -592,7 +592,7 @@ impl DefCollector<'_> {
                     // XXX: urgh, so this works by accident! Here, we look at
                     // the enum data, and, in theory, this might require us to
                     // look back at the crate_def_map, creating a cycle. For
-                    // example, `enum E { crate::some_macro!(); }`. Luckely, the
+                    // example, `enum E { crate::some_macro!(); }`. Luckily, the
                     // only kind of macro that is allowed inside enum is a
                     // `cfg_macro`, and we don't need to run name resolution for
                     // it, but this is sheer luck!
@@ -655,7 +655,7 @@ impl DefCollector<'_> {
         &mut self,
         module_id: LocalModuleId,
         resolutions: &[(Option<Name>, PerNs)],
-        // All resolutions are imported with this visibility; the visibilies in
+        // All resolutions are imported with this visibility; the visibilities in
         // the `PerNs` values are ignored and overwritten
         vis: Visibility,
         import_type: ImportType,
diff --git a/crates/hir_def/src/resolver.rs b/crates/hir_def/src/resolver.rs
index 129f1dbac..e4152a0be 100644
--- a/crates/hir_def/src/resolver.rs
+++ b/crates/hir_def/src/resolver.rs
@@ -27,7 +27,7 @@ use crate::{
 
 #[derive(Debug, Clone, Default)]
 pub struct Resolver {
-    // FIXME: all usages generally call `.rev`, so maybe reverse once in consturciton?
+    // FIXME: all usages generally call `.rev`, so maybe reverse once in construction?
     scopes: Vec<Scope>,
 }
 
diff --git a/crates/hir_expand/src/db.rs b/crates/hir_expand/src/db.rs
index ab2637b8c..c62086390 100644
--- a/crates/hir_expand/src/db.rs
+++ b/crates/hir_expand/src/db.rs
@@ -40,7 +40,7 @@ impl TokenExpander {
             // FIXME switch these to ExpandResult as well
             TokenExpander::BuiltinDerive(it) => it.expand(db, id, tt).into(),
             TokenExpander::ProcMacro(_) => {
-                // We store the result in salsa db to prevent non-determinisc behavior in
+                // We store the result in salsa db to prevent non-deterministic behavior in
                 // some proc-macro implementation
                 // See #4315 for details
                 db.expand_proc_macro(id.into()).into()
diff --git a/crates/hir_ty/src/diagnostics/expr.rs b/crates/hir_ty/src/diagnostics/expr.rs
index a1c484fdf..107417c27 100644
--- a/crates/hir_ty/src/diagnostics/expr.rs
+++ b/crates/hir_ty/src/diagnostics/expr.rs
@@ -379,7 +379,7 @@ pub fn record_literal_missing_fields(
     id: ExprId,
     expr: &Expr,
 ) -> Option<(VariantId, Vec<LocalFieldId>, /*exhaustive*/ bool)> {
-    let (fields, exhausitve) = match expr {
+    let (fields, exhaustive) = match expr {
         Expr::RecordLit { path: _, fields, spread } => (fields, spread.is_none()),
         _ => return None,
     };
@@ -400,7 +400,7 @@ pub fn record_literal_missing_fields(
     if missed_fields.is_empty() {
         return None;
     }
-    Some((variant_def, missed_fields, exhausitve))
+    Some((variant_def, missed_fields, exhaustive))
 }
 
 pub fn record_pattern_missing_fields(
diff --git a/crates/hir_ty/src/diagnostics/match_check.rs b/crates/hir_ty/src/diagnostics/match_check.rs
index 62c329731..61c47eec8 100644
--- a/crates/hir_ty/src/diagnostics/match_check.rs
+++ b/crates/hir_ty/src/diagnostics/match_check.rs
@@ -14,7 +14,7 @@
 //! The algorithm implemented here is a modified version of the one described in
 //! <http://moscova.inria.fr/~maranget/papers/warn/index.html>.
 //! However, to save future implementors from reading the original paper, we
-//! summarise the algorithm here to hopefully save time and be a little clearer
+//! summarize the algorithm here to hopefully save time and be a little clearer
 //! (without being so rigorous).
 //!
 //! The core of the algorithm revolves about a "usefulness" check. In particular, we
@@ -132,7 +132,7 @@
 //! The algorithm is inductive (on the number of columns: i.e., components of tuple patterns).
 //! That means we're going to check the components from left-to-right, so the algorithm
 //! operates principally on the first component of the matrix and new pattern-stack `p`.
-//! This algorithm is realised in the `is_useful` function.
+//! This algorithm is realized in the `is_useful` function.
 //!
 //! Base case (`n = 0`, i.e., an empty tuple pattern):
 //! - If `P` already contains an empty pattern (i.e., if the number of patterns `m > 0`), then
diff --git a/crates/hir_ty/src/lower.rs b/crates/hir_ty/src/lower.rs
index 222f61a11..9594cce8b 100644
--- a/crates/hir_ty/src/lower.rs
+++ b/crates/hir_ty/src/lower.rs
@@ -491,16 +491,16 @@ impl Ty {
     fn from_hir_path_inner(
         ctx: &TyLoweringContext<'_>,
         segment: PathSegment<'_>,
-        typable: TyDefId,
+        typeable: TyDefId,
         infer_args: bool,
     ) -> Ty {
-        let generic_def = match typable {
+        let generic_def = match typeable {
             TyDefId::BuiltinType(_) => None,
             TyDefId::AdtId(it) => Some(it.into()),
             TyDefId::TypeAliasId(it) => Some(it.into()),
         };
         let substs = substs_from_path_segment(ctx, segment, generic_def, infer_args);
-        ctx.db.ty(typable).subst(&substs)
+        ctx.db.ty(typeable).subst(&substs)
     }
 
     /// Collect generic arguments from a path into a `Substs`. See also
diff --git a/crates/ide/src/call_hierarchy.rs b/crates/ide/src/call_hierarchy.rs
index 4d8983cb2..b29d1fef9 100644
--- a/crates/ide/src/call_hierarchy.rs
+++ b/crates/ide/src/call_hierarchy.rs
@@ -5,7 +5,7 @@ use indexmap::IndexMap;
 use hir::Semantics;
 use ide_db::call_info::FnCallNode;
 use ide_db::RootDatabase;
-use syntax::{ast, match_ast, AstNode, TextRange};
+use syntax::{ast, AstNode, TextRange};
 
 use crate::{
     display::TryToNav, goto_definition, references, FilePosition, NavigationTarget, RangeInfo,
@@ -57,15 +57,9 @@ pub(crate) fn incoming_calls(db: &RootDatabase, position: FilePosition) -> Optio
 
         // This target is the containing function
         if let Some(nav) = syntax.ancestors().find_map(|node| {
-            match_ast! {
-                match node {
-                    ast::Fn(it) => {
-                        let def = sema.to_def(&it)?;
-                        def.try_to_nav(sema.db)
-                    },
-                    _ => None,
-                }
-            }
+            let fn_ = ast::Fn::cast(node)?;
+            let def = sema.to_def(&fn_)?;
+            def.try_to_nav(sema.db)
         }) {
             let relative_range = reference.file_range.range;
             calls.add(&nav, relative_range);
@@ -91,17 +85,12 @@ pub(crate) fn outgoing_calls(db: &RootDatabase, position: FilePosition) -> Optio
         .filter_map(|node| FnCallNode::with_node_exact(&node))
         .filter_map(|call_node| {
             let name_ref = call_node.name_ref()?;
-
-            if let Some(func_target) = match &call_node {
+            let func_target = match call_node {
                 FnCallNode::CallExpr(expr) => {
                     //FIXME: Type::as_callable is broken
                     let callable = sema.type_of_expr(&expr.expr()?)?.as_callable(db)?;
                     match callable.kind() {
-                        hir::CallableKind::Function(it) => {
-                            let fn_def: hir::Function = it.into();
-                            let nav = fn_def.try_to_nav(db)?;
-                            Some(nav)
-                        }
+                        hir::CallableKind::Function(it) => it.try_to_nav(db),
                         _ => None,
                     }
                 }
@@ -109,11 +98,8 @@ pub(crate) fn outgoing_calls(db: &RootDatabase, position: FilePosition) -> Optio
                     let function = sema.resolve_method_call(&expr)?;
                     function.try_to_nav(db)
                 }
-            } {
-                Some((func_target, name_ref.syntax().text_range()))
-            } else {
-                None
-            }
+            }?;
+            Some((func_target, name_ref.syntax().text_range()))
         })
         .for_each(|(nav, range)| calls.add(&nav, range));
 
diff --git a/crates/ide/src/display/navigation_target.rs b/crates/ide/src/display/navigation_target.rs
index e24c78301..4eecae697 100644
--- a/crates/ide/src/display/navigation_target.rs
+++ b/crates/ide/src/display/navigation_target.rs
@@ -215,10 +215,8 @@ impl TryToNav for Definition {
             Definition::ModuleDef(it) => it.try_to_nav(db),
             Definition::SelfType(it) => it.try_to_nav(db),
             Definition::Local(it) => Some(it.to_nav(db)),
-            Definition::TypeParam(it) => it.try_to_nav(db),
-            Definition::LifetimeParam(it) => it.try_to_nav(db),
+            Definition::GenericParam(it) => it.try_to_nav(db),
             Definition::Label(it) => Some(it.to_nav(db)),
-            Definition::ConstParam(it) => it.try_to_nav(db),
         }
     }
 }
@@ -389,6 +387,16 @@ impl TryToNav for hir::AssocItem {
     }
 }
 
+impl TryToNav for hir::GenericParam {
+    fn try_to_nav(&self, db: &RootDatabase) -> Option<NavigationTarget> {
+        match self {
+            hir::GenericParam::TypeParam(it) => it.try_to_nav(db),
+            hir::GenericParam::ConstParam(it) => it.try_to_nav(db),
+            hir::GenericParam::LifetimeParam(it) => it.try_to_nav(db),
+        }
+    }
+}
+
 impl ToNav for hir::Local {
     fn to_nav(&self, db: &RootDatabase) -> NavigationTarget {
         let src = self.source(db);
diff --git a/crates/ide/src/doc_links.rs b/crates/ide/src/doc_links.rs
index 1ff818de2..de10406bc 100644
--- a/crates/ide/src/doc_links.rs
+++ b/crates/ide/src/doc_links.rs
@@ -1,6 +1,6 @@
 //! Resolves and rewrites links in markdown documentation.
 
-use std::{convert::TryFrom, iter::once};
+use std::{convert::TryFrom, iter::once, ops::Range};
 
 use itertools::Itertools;
 use pulldown_cmark::{BrokenLink, CowStr, Event, InlineStr, LinkType, Options, Parser, Tag};
@@ -39,7 +39,7 @@ pub(crate) fn rewrite_links(db: &RootDatabase, markdown: &str, definition: &Defi
         if target.contains("://") {
             (target.to_string(), title.to_string())
         } else {
-            // Two posibilities:
+            // Two possibilities:
             // * path-based links: `../../module/struct.MyStruct.html`
             // * module-based links (AKA intra-doc links): `super::super::module::MyStruct`
             if let Some(rewritten) = rewrite_intra_doc_link(db, *definition, target, title) {
@@ -61,6 +61,30 @@ pub(crate) fn rewrite_links(db: &RootDatabase, markdown: &str, definition: &Defi
     out
 }
 
+pub(crate) fn extract_definitions_from_markdown(
+    markdown: &str,
+) -> Vec<(String, Option<hir::Namespace>, Range<usize>)> {
+    let mut res = vec![];
+    let mut cb = |link: BrokenLink| {
+        Some((
+            /*url*/ link.reference.to_owned().into(),
+            /*title*/ link.reference.to_owned().into(),
+        ))
+    };
+    let doc = Parser::new_with_broken_link_callback(markdown, Options::empty(), Some(&mut cb));
+    for (event, range) in doc.into_offset_iter() {
+        match event {
+            Event::Start(Tag::Link(_link_type, ref target, ref title)) => {
+                let link = if target.is_empty() { title } else { target };
+                let (link, ns) = parse_link(link);
+                res.push((link.to_string(), ns, range));
+            }
+            _ => {}
+        }
+    }
+    res
+}
+
 /// Remove all links in markdown documentation.
 pub(crate) fn remove_links(markdown: &str) -> String {
     let mut drop_link = false;
@@ -192,9 +216,7 @@ fn rewrite_intra_doc_link(
         Definition::Field(it) => it.resolve_doc_path(db, link, ns),
         Definition::SelfType(_)
         | Definition::Local(_)
-        | Definition::TypeParam(_)
-        | Definition::ConstParam(_)
-        | Definition::LifetimeParam(_)
+        | Definition::GenericParam(_)
         | Definition::Label(_) => return None,
     }?;
     let krate = resolved.module(db)?.krate();
@@ -420,7 +442,7 @@ fn get_symbol_fragment(db: &dyn HirDatabase, field_or_assoc: &FieldOrAssocItem)
                     function.as_assoc_item(db).map(|assoc| assoc.container(db)),
                     Some(AssocItemContainer::Trait(..))
                 );
-                // This distinction may get more complicated when specialisation is available.
+                // This distinction may get more complicated when specialization is available.
                 // Rustdoc makes this decision based on whether a method 'has defaultness'.
                 // Currently this is only the case for provided trait methods.
                 if is_trait_method && !function.has_body(db) {
diff --git a/crates/ide/src/goto_definition.rs b/crates/ide/src/goto_definition.rs
index 95b4cb9e3..cd4afc804 100644
--- a/crates/ide/src/goto_definition.rs
+++ b/crates/ide/src/goto_definition.rs
@@ -1,14 +1,18 @@
 use either::Either;
-use hir::Semantics;
+use hir::{HasAttrs, ModuleDef, Semantics};
 use ide_db::{
     base_db::FileId,
-    defs::{NameClass, NameRefClass},
+    defs::{Definition, NameClass, NameRefClass},
     symbol_index, RootDatabase,
 };
-use syntax::{ast, match_ast, AstNode, SyntaxKind::*, SyntaxToken, TokenAtOffset, T};
+use syntax::{
+    ast, match_ast, AstNode, AstToken, SyntaxKind::*, SyntaxToken, TextSize, TokenAtOffset, T,
+};
 
 use crate::{
     display::{ToNav, TryToNav},
+    doc_links::extract_definitions_from_markdown,
+    runnables::doc_owner_to_def,
     FilePosition, NavigationTarget, RangeInfo, SymbolKind,
 };
 
@@ -30,6 +34,10 @@ pub(crate) fn goto_definition(
     let original_token = pick_best(file.token_at_offset(position.offset))?;
     let token = sema.descend_into_macros(original_token.clone());
     let parent = token.parent();
+    if let Some(comment) = ast::Comment::cast(token.clone()) {
+        let nav = def_for_doc_comment(&sema, position, &comment)?.try_to_nav(db)?;
+        return Some(RangeInfo::new(original_token.text_range(), vec![nav]));
+    }
 
     let nav_targets = match_ast! {
         match parent {
@@ -68,11 +76,58 @@ pub(crate) fn goto_definition(
     Some(RangeInfo::new(original_token.text_range(), nav_targets))
 }
 
+fn def_for_doc_comment(
+    sema: &Semantics<RootDatabase>,
+    position: FilePosition,
+    doc_comment: &ast::Comment,
+) -> Option<hir::ModuleDef> {
+    let parent = doc_comment.syntax().parent();
+    let (link, ns) = extract_positioned_link_from_comment(position, doc_comment)?;
+
+    let def = doc_owner_to_def(sema, parent)?;
+    match def {
+        Definition::ModuleDef(def) => match def {
+            ModuleDef::Module(it) => it.resolve_doc_path(sema.db, &link, ns),
+            ModuleDef::Function(it) => it.resolve_doc_path(sema.db, &link, ns),
+            ModuleDef::Adt(it) => it.resolve_doc_path(sema.db, &link, ns),
+            ModuleDef::Variant(it) => it.resolve_doc_path(sema.db, &link, ns),
+            ModuleDef::Const(it) => it.resolve_doc_path(sema.db, &link, ns),
+            ModuleDef::Static(it) => it.resolve_doc_path(sema.db, &link, ns),
+            ModuleDef::Trait(it) => it.resolve_doc_path(sema.db, &link, ns),
+            ModuleDef::TypeAlias(it) => it.resolve_doc_path(sema.db, &link, ns),
+            ModuleDef::BuiltinType(_) => return None,
+        },
+        Definition::Macro(it) => it.resolve_doc_path(sema.db, &link, ns),
+        Definition::Field(it) => it.resolve_doc_path(sema.db, &link, ns),
+        Definition::SelfType(_)
+        | Definition::Local(_)
+        | Definition::GenericParam(_)
+        | Definition::Label(_) => return None,
+    }
+}
+
+fn extract_positioned_link_from_comment(
+    position: FilePosition,
+    comment: &ast::Comment,
+) -> Option<(String, Option<hir::Namespace>)> {
+    let comment_range = comment.syntax().text_range();
+    let doc_comment = comment.doc_comment()?;
+    let def_links = extract_definitions_from_markdown(doc_comment);
+    let (def_link, ns, _) = def_links.iter().min_by_key(|(_, _, def_link_range)| {
+        let matched_position = comment_range.start() + TextSize::from(def_link_range.start as u32);
+        match position.offset.checked_sub(matched_position) {
+            Some(distance) => distance,
+            None => comment_range.end(),
+        }
+    })?;
+    Some((def_link.to_string(), ns.clone()))
+}
+
 fn pick_best(tokens: TokenAtOffset<SyntaxToken>) -> Option<SyntaxToken> {
     return tokens.max_by_key(priority);
     fn priority(n: &SyntaxToken) -> usize {
         match n.kind() {
-            IDENT | INT_NUMBER | LIFETIME_IDENT | T![self] => 2,
+            IDENT | INT_NUMBER | LIFETIME_IDENT | T![self] | COMMENT => 2,
             kind if kind.is_trivia() => 0,
             _ => 1,
         }
@@ -1145,4 +1200,34 @@ fn foo<'foo>(_: &'foo ()) {
 }"#,
         )
     }
+
+    #[test]
+    fn goto_def_for_intra_doc_link_same_file() {
+        check(
+            r#"
+/// Blah, [`bar`](bar) .. [`foo`](foo)$0 has [`bar`](bar)
+pub fn bar() { }
+
+/// You might want to see [`std::fs::read()`] too.
+pub fn foo() { }
+     //^^^
+
+}"#,
+        )
+    }
+
+    #[test]
+    fn goto_def_for_intra_doc_link_inner() {
+        check(
+            r#"
+//- /main.rs
+mod m;
+struct S;
+     //^
+
+//- /m.rs
+//! [`super::S$0`]
+"#,
+        )
+    }
 }
diff --git a/crates/ide/src/hover.rs b/crates/ide/src/hover.rs
index 8cb4a51d8..317b6f011 100644
--- a/crates/ide/src/hover.rs
+++ b/crates/ide/src/hover.rs
@@ -1,6 +1,6 @@
 use hir::{
-    Adt, AsAssocItem, AssocItemContainer, FieldSource, HasAttrs, HasSource, HirDisplay, Module,
-    ModuleDef, ModuleSource, Semantics,
+    Adt, AsAssocItem, AssocItemContainer, FieldSource, GenericParam, HasAttrs, HasSource,
+    HirDisplay, Module, ModuleDef, ModuleSource, Semantics,
 };
 use ide_db::base_db::SourceDatabase;
 use ide_db::{
@@ -17,7 +17,7 @@ use crate::{
     doc_links::{remove_links, rewrite_links},
     markdown_remove::remove_markdown,
     markup::Markup,
-    runnables::{runnable, runnable_fn},
+    runnables::{runnable_fn, runnable_mod},
     FileId, FilePosition, NavigationTarget, RangeInfo, Runnable,
 };
 
@@ -175,12 +175,7 @@ fn show_implementations_action(db: &RootDatabase, def: Definition) -> Option<Hov
         Definition::SelfType(it) => it.target_ty(db).as_adt(),
         _ => None,
     }?;
-    match adt {
-        Adt::Struct(it) => it.try_to_nav(db),
-        Adt::Union(it) => it.try_to_nav(db),
-        Adt::Enum(it) => it.try_to_nav(db),
-    }
-    .map(to_action)
+    adt.try_to_nav(db).map(to_action)
 }
 
 fn runnable_action(
@@ -192,7 +187,7 @@ fn runnable_action(
         Definition::ModuleDef(it) => match it {
             ModuleDef::Module(it) => match it.definition_source(sema.db).value {
                 ModuleSource::Module(it) => {
-                    runnable(&sema, it.syntax().clone()).map(|it| HoverAction::Runnable(it))
+                    runnable_mod(&sema, it).map(|it| HoverAction::Runnable(it))
                 }
                 _ => None,
             },
@@ -220,12 +215,12 @@ fn goto_type_action(db: &RootDatabase, def: Definition) -> Option<HoverAction> {
         }
     };
 
-    if let Definition::TypeParam(it) = def {
+    if let Definition::GenericParam(GenericParam::TypeParam(it)) = def {
         it.trait_bounds(db).into_iter().for_each(|it| push_new_def(it.into()));
     } else {
         let ty = match def {
             Definition::Local(it) => it.ty(db),
-            Definition::ConstParam(it) => it.ty(db),
+            Definition::GenericParam(GenericParam::ConstParam(it)) => it.ty(db),
             _ => return None,
         };
 
@@ -357,9 +352,11 @@ fn hover_for_definition(db: &RootDatabase, def: Definition) -> Option<Markup> {
             })
         }
         Definition::Label(it) => Some(Markup::fenced_block(&it.name(db))),
-        Definition::LifetimeParam(it) => Some(Markup::fenced_block(&it.name(db))),
-        Definition::TypeParam(type_param) => Some(Markup::fenced_block(&type_param.display(db))),
-        Definition::ConstParam(it) => from_def_source(db, it, None),
+        Definition::GenericParam(it) => match it {
+            GenericParam::TypeParam(it) => Some(Markup::fenced_block(&it.display(db))),
+            GenericParam::LifetimeParam(it) => Some(Markup::fenced_block(&it.name(db))),
+            GenericParam::ConstParam(it) => from_def_source(db, it, None),
+        },
     };
 
     fn from_def_source<A, D>(db: &RootDatabase, def: D, mod_path: Option<String>) -> Option<Markup>
@@ -1951,16 +1948,16 @@ struct S {
 /// Test cases:
 /// case 1.  bare URL: https://www.example.com/
 /// case 2.  inline URL with title: [example](https://www.example.com/)
-/// case 3.  code refrence: [`Result`]
-/// case 4.  code refrence but miss footnote: [`String`]
+/// case 3.  code reference: [`Result`]
+/// case 4.  code reference but miss footnote: [`String`]
 /// case 5.  autolink: <http://www.example.com/>
 /// case 6.  email address: <[email protected]>
-/// case 7.  refrence: [example][example]
+/// case 7.  reference: [example][example]
 /// case 8.  collapsed link: [example][]
 /// case 9.  shortcut link: [example]
 /// case 10. inline without URL: [example]()
-/// case 11. refrence: [foo][foo]
-/// case 12. refrence: [foo][bar]
+/// case 11. reference: [foo][foo]
+/// case 12. reference: [foo][bar]
 /// case 13. collapsed link: [foo][]
 /// case 14. shortcut link: [foo]
 /// case 15. inline without URL: [foo]()
@@ -1987,16 +1984,16 @@ pub fn fo$0o() {}
                 Test cases:
                 case 1.  bare URL: https://www.example.com/
                 case 2.  inline URL with title: [example](https://www.example.com/)
-                case 3.  code refrence: `Result`
-                case 4.  code refrence but miss footnote: `String`
+                case 3.  code reference: `Result`
+                case 4.  code reference but miss footnote: `String`
                 case 5.  autolink: http://www.example.com/
                 case 6.  email address: [email protected]
-                case 7.  refrence: example
+                case 7.  reference: example
                 case 8.  collapsed link: example
                 case 9.  shortcut link: example
                 case 10. inline without URL: example
-                case 11. refrence: foo
-                case 12. refrence: foo
+                case 11. reference: foo
+                case 12. reference: foo
                 case 13. collapsed link: foo
                 case 14. shortcut link: foo
                 case 15. inline without URL: foo
diff --git a/crates/ide/src/inlay_hints.rs b/crates/ide/src/inlay_hints.rs
index fe60abfc8..3e9a65d9c 100644
--- a/crates/ide/src/inlay_hints.rs
+++ b/crates/ide/src/inlay_hints.rs
@@ -353,9 +353,25 @@ fn is_argument_similar_to_param_name(
     }
     match get_string_representation(argument) {
         None => false,
-        Some(repr) => {
-            let argument_string = repr.trim_start_matches('_');
-            argument_string.starts_with(param_name) || argument_string.ends_with(param_name)
+        Some(argument_string) => {
+            let num_leading_underscores =
+                argument_string.bytes().take_while(|&c| c == b'_').count();
+
+            // Does the argument name begin with the parameter name? Ignore leading underscores.
+            let mut arg_bytes = argument_string.bytes().skip(num_leading_underscores);
+            let starts_with_pattern = param_name.bytes().all(
+                |expected| matches!(arg_bytes.next(), Some(actual) if expected.eq_ignore_ascii_case(&actual)),
+            );
+
+            if starts_with_pattern {
+                return true;
+            }
+
+            // Does the argument name end with the parameter name?
+            let mut arg_bytes = argument_string.bytes().skip(num_leading_underscores);
+            param_name.bytes().rev().all(
+                |expected| matches!(arg_bytes.next_back(), Some(actual) if expected.eq_ignore_ascii_case(&actual)),
+            )
         }
     }
 }
@@ -901,6 +917,9 @@ fn main() {
     twiddle(true);
     doo(true);
 
+    const TWIDDLE_UPPERCASE: bool = true;
+    twiddle(TWIDDLE_UPPERCASE);
+
     let mut param_begin: Param = Param {};
     different_order(&param_begin);
     different_order(&mut param_begin);
diff --git a/crates/ide/src/lib.rs b/crates/ide/src/lib.rs
index cea2a13c8..1f368cbd0 100644
--- a/crates/ide/src/lib.rs
+++ b/crates/ide/src/lib.rs
@@ -76,8 +76,8 @@ pub use crate::{
     references::{rename::RenameError, Declaration, ReferenceSearchResult},
     runnables::{Runnable, RunnableKind, TestId},
     syntax_highlighting::{
-        tags::{Highlight, HighlightModifier, HighlightModifiers, HighlightTag},
-        HighlightedRange,
+        tags::{Highlight, HlMod, HlMods, HlPunct, HlTag},
+        HlRange,
     },
 };
 pub use assists::{Assist, AssistConfig, AssistId, AssistKind, InsertUseConfig};
@@ -449,12 +449,12 @@ impl Analysis {
     }
 
     /// Computes syntax highlighting for the given file
-    pub fn highlight(&self, file_id: FileId) -> Cancelable<Vec<HighlightedRange>> {
+    pub fn highlight(&self, file_id: FileId) -> Cancelable<Vec<HlRange>> {
         self.with_db(|db| syntax_highlighting::highlight(db, file_id, None, false))
     }
 
     /// Computes syntax highlighting for the given file range.
-    pub fn highlight_range(&self, frange: FileRange) -> Cancelable<Vec<HighlightedRange>> {
+    pub fn highlight_range(&self, frange: FileRange) -> Cancelable<Vec<HlRange>> {
         self.with_db(|db| {
             syntax_highlighting::highlight(db, frange.file_id, Some(frange.range), false)
         })
diff --git a/crates/ide/src/references.rs b/crates/ide/src/references.rs
index c95ed669c..b774a2be1 100644
--- a/crates/ide/src/references.rs
+++ b/crates/ide/src/references.rs
@@ -3,7 +3,7 @@
 //! or `ast::NameRef`. If it's a `ast::NameRef`, at the classification step we
 //! try to resolve the direct tree parent of this element, otherwise we
 //! already have a definition and just need to get its HIR together with
-//! some information that is needed for futher steps of searching.
+//! some information that is needed for further steps of searching.
 //! After that, we collect files that might contain references and look
 //! for text occurrences of the identifier. If there's an `ast::NameRef`
 //! at the index that the match starts at and its tree parent is
@@ -21,7 +21,7 @@ use ide_db::{
 use syntax::{
     algo::find_node_at_offset,
     ast::{self, NameOwner},
-    match_ast, AstNode, SyntaxKind, SyntaxNode, TextRange, TokenAtOffset,
+    match_ast, AstNode, SyntaxNode, TextRange, TokenAtOffset, T,
 };
 
 use crate::{display::TryToNav, FilePosition, FileRange, NavigationTarget, RangeInfo, SymbolKind};
@@ -130,7 +130,10 @@ pub(crate) fn find_all_refs(
                 kind = ReferenceKind::FieldShorthandForLocal;
             }
         }
-    } else if matches!(def, Definition::LifetimeParam(_) | Definition::Label(_)) {
+    } else if matches!(
+        def,
+        Definition::GenericParam(hir::GenericParam::LifetimeParam(_)) | Definition::Label(_)
+    ) {
         kind = ReferenceKind::Lifetime;
     };
 
@@ -200,7 +203,7 @@ fn get_struct_def_name_for_struct_literal_search(
     position: FilePosition,
 ) -> Option<ast::Name> {
     if let TokenAtOffset::Between(ref left, ref right) = syntax.token_at_offset(position.offset) {
-        if right.kind() != SyntaxKind::L_CURLY && right.kind() != SyntaxKind::L_PAREN {
+        if right.kind() != T!['{'] && right.kind() != T!['('] {
             return None;
         }
         if let Some(name) =
@@ -227,7 +230,7 @@ fn get_enum_def_name_for_struct_literal_search(
     position: FilePosition,
 ) -> Option<ast::Name> {
     if let TokenAtOffset::Between(ref left, ref right) = syntax.token_at_offset(position.offset) {
-        if right.kind() != SyntaxKind::L_CURLY && right.kind() != SyntaxKind::L_PAREN {
+        if right.kind() != T!['{'] && right.kind() != T!['('] {
             return None;
         }
         if let Some(name) =
@@ -252,8 +255,7 @@ fn try_find_self_references(
     syntax: &SyntaxNode,
     position: FilePosition,
 ) -> Option<RangeInfo<ReferenceSearchResult>> {
-    let self_token =
-        syntax.token_at_offset(position.offset).find(|t| t.kind() == SyntaxKind::SELF_KW)?;
+    let self_token = syntax.token_at_offset(position.offset).find(|t| t.kind() == T![self])?;
     let parent = self_token.parent();
     match_ast! {
         match parent {
diff --git a/crates/ide/src/references/rename.rs b/crates/ide/src/references/rename.rs
index 53d79333c..3edc43e08 100644
--- a/crates/ide/src/references/rename.rs
+++ b/crates/ide/src/references/rename.rs
@@ -14,16 +14,17 @@ use ide_db::{
 use syntax::{
     algo::find_node_at_offset,
     ast::{self, NameOwner},
-    lex_single_syntax_kind, match_ast, AstNode, SyntaxKind, SyntaxNode, SyntaxToken,
+    lex_single_syntax_kind, match_ast, AstNode, SyntaxKind, SyntaxNode, SyntaxToken, T,
 };
 use test_utils::mark;
 use text_edit::TextEdit;
 
 use crate::{
-    references::find_all_refs, FilePosition, FileSystemEdit, RangeInfo, Reference, ReferenceKind,
+    FilePosition, FileSystemEdit, RangeInfo, Reference, ReferenceKind, ReferenceSearchResult,
     SourceChange, SourceFileEdit, TextRange, TextSize,
 };
 
+type RenameResult<T> = Result<T, RenameError>;
 #[derive(Debug)]
 pub struct RenameError(pub(crate) String);
 
@@ -35,24 +36,30 @@ impl fmt::Display for RenameError {
 
 impl Error for RenameError {}
 
+macro_rules! format_err {
+    ($fmt:expr) => {RenameError(format!($fmt))};
+    ($fmt:expr, $($arg:tt)+) => {RenameError(format!($fmt, $($arg)+))}
+}
+
+macro_rules! bail {
+    ($($tokens:tt)*) => {return Err(format_err!($($tokens)*))}
+}
+
 pub(crate) fn prepare_rename(
     db: &RootDatabase,
     position: FilePosition,
-) -> Result<RangeInfo<()>, RenameError> {
+) -> RenameResult<RangeInfo<()>> {
     let sema = Semantics::new(db);
     let source_file = sema.parse(position.file_id);
     let syntax = source_file.syntax();
     if let Some(module) = find_module_at_offset(&sema, position, syntax) {
         rename_mod(&sema, position, module, "dummy")
     } else if let Some(self_token) =
-        syntax.token_at_offset(position.offset).find(|t| t.kind() == SyntaxKind::SELF_KW)
+        syntax.token_at_offset(position.offset).find(|t| t.kind() == T![self])
     {
         rename_self_to_param(&sema, position, self_token, "dummy")
     } else {
-        let range = match find_all_refs(&sema, position, None) {
-            Some(RangeInfo { range, .. }) => range,
-            None => return Err(RenameError("No references found at position".to_string())),
-        };
+        let RangeInfo { range, .. } = find_all_refs(&sema, position)?;
         Ok(RangeInfo::new(range, SourceChange::from(vec![])))
     }
     .map(|info| RangeInfo::new(info.range, ()))
@@ -62,7 +69,7 @@ pub(crate) fn rename(
     db: &RootDatabase,
     position: FilePosition,
     new_name: &str,
-) -> Result<RangeInfo<SourceChange>, RenameError> {
+) -> RenameResult<RangeInfo<SourceChange>> {
     let sema = Semantics::new(db);
     rename_with_semantics(&sema, position, new_name)
 }
@@ -71,42 +78,18 @@ pub(crate) fn rename_with_semantics(
     sema: &Semantics<RootDatabase>,
     position: FilePosition,
     new_name: &str,
-) -> Result<RangeInfo<SourceChange>, RenameError> {
-    let is_lifetime_name = match lex_single_syntax_kind(new_name) {
-        Some(res) => match res {
-            (SyntaxKind::IDENT, _) => false,
-            (SyntaxKind::UNDERSCORE, _) => false,
-            (SyntaxKind::SELF_KW, _) => return rename_to_self(&sema, position),
-            (SyntaxKind::LIFETIME_IDENT, _) if new_name != "'static" && new_name != "'_" => true,
-            (SyntaxKind::LIFETIME_IDENT, _) => {
-                return Err(RenameError(format!(
-                    "Invalid name `{0}`: Cannot rename lifetime to {0}",
-                    new_name
-                )))
-            }
-            (_, Some(syntax_error)) => {
-                return Err(RenameError(format!("Invalid name `{}`: {}", new_name, syntax_error)))
-            }
-            (_, None) => {
-                return Err(RenameError(format!("Invalid name `{}`: not an identifier", new_name)))
-            }
-        },
-        None => return Err(RenameError(format!("Invalid name `{}`: not an identifier", new_name))),
-    };
-
+) -> RenameResult<RangeInfo<SourceChange>> {
     let source_file = sema.parse(position.file_id);
     let syntax = source_file.syntax();
-    // this is here to prevent lifetime renames from happening on modules and self
-    if is_lifetime_name {
-        rename_reference(&sema, position, new_name, is_lifetime_name)
-    } else if let Some(module) = find_module_at_offset(&sema, position, syntax) {
+
+    if let Some(module) = find_module_at_offset(&sema, position, syntax) {
         rename_mod(&sema, position, module, new_name)
     } else if let Some(self_token) =
-        syntax.token_at_offset(position.offset).find(|t| t.kind() == SyntaxKind::SELF_KW)
+        syntax.token_at_offset(position.offset).find(|t| t.kind() == T![self])
     {
         rename_self_to_param(&sema, position, self_token, new_name)
     } else {
-        rename_reference(&sema, position, new_name, is_lifetime_name)
+        rename_reference(&sema, position, new_name)
     }
 }
 
@@ -127,6 +110,33 @@ pub(crate) fn will_rename_file(
     Some(change)
 }
 
+#[derive(Debug, PartialEq)]
+enum IdentifierKind {
+    Ident,
+    Lifetime,
+    ToSelf,
+    Underscore,
+}
+
+fn check_identifier(new_name: &str) -> RenameResult<IdentifierKind> {
+    match lex_single_syntax_kind(new_name) {
+        Some(res) => match res {
+            (SyntaxKind::IDENT, _) => Ok(IdentifierKind::Ident),
+            (T![_], _) => Ok(IdentifierKind::Underscore),
+            (T![self], _) => Ok(IdentifierKind::ToSelf),
+            (SyntaxKind::LIFETIME_IDENT, _) if new_name != "'static" && new_name != "'_" => {
+                Ok(IdentifierKind::Lifetime)
+            }
+            (SyntaxKind::LIFETIME_IDENT, _) => {
+                bail!("Invalid name `{0}`: Cannot rename lifetime to {0}", new_name)
+            }
+            (_, Some(syntax_error)) => bail!("Invalid name `{}`: {}", new_name, syntax_error),
+            (_, None) => bail!("Invalid name `{}`: not an identifier", new_name),
+        },
+        None => bail!("Invalid name `{}`: not an identifier", new_name),
+    }
+}
+
 fn find_module_at_offset(
     sema: &Semantics<RootDatabase>,
     position: FilePosition,
@@ -155,6 +165,14 @@ fn find_module_at_offset(
     Some(module)
 }
 
+fn find_all_refs(
+    sema: &Semantics<RootDatabase>,
+    position: FilePosition,
+) -> RenameResult<RangeInfo<ReferenceSearchResult>> {
+    crate::references::find_all_refs(sema, position, None)
+        .ok_or_else(|| format_err!("No references found at position"))
+}
+
 fn source_edit_from_reference(
     sema: &Semantics<RootDatabase>,
     reference: Reference,
@@ -223,7 +241,10 @@ fn rename_mod(
     position: FilePosition,
     module: Module,
     new_name: &str,
-) -> Result<RangeInfo<SourceChange>, RenameError> {
+) -> RenameResult<RangeInfo<SourceChange>> {
+    if IdentifierKind::Ident != check_identifier(new_name)? {
+        bail!("Invalid name `{0}`: cannot rename module to {0}", new_name);
+    }
     let mut source_file_edits = Vec::new();
     let mut file_system_edits = Vec::new();
 
@@ -254,8 +275,7 @@ fn rename_mod(
         source_file_edits.push(edit);
     }
 
-    let RangeInfo { range, info: refs } = find_all_refs(sema, position, None)
-        .ok_or_else(|| RenameError("No references found at position".to_string()))?;
+    let RangeInfo { range, info: refs } = find_all_refs(sema, position)?;
     let ref_edits = refs
         .references
         .into_iter()
@@ -274,27 +294,26 @@ fn rename_to_self(
 
     let (fn_def, fn_ast) = find_node_at_offset::<ast::Fn>(syn, position.offset)
         .and_then(|fn_ast| sema.to_def(&fn_ast).zip(Some(fn_ast)))
-        .ok_or_else(|| RenameError("No surrounding method declaration found".to_string()))?;
+        .ok_or_else(|| format_err!("No surrounding method declaration found"))?;
     let param_range = fn_ast
         .param_list()
         .and_then(|p| p.params().next())
-        .ok_or_else(|| RenameError("Method has no parameters".to_string()))?
+        .ok_or_else(|| format_err!("Method has no parameters"))?
         .syntax()
         .text_range();
     if !param_range.contains(position.offset) {
-        return Err(RenameError("Only the first parameter can be self".to_string()));
+        bail!("Only the first parameter can be self");
     }
 
     let impl_block = find_node_at_offset::<ast::Impl>(syn, position.offset)
         .and_then(|def| sema.to_def(&def))
-        .ok_or_else(|| RenameError("No impl block found for function".to_string()))?;
+        .ok_or_else(|| format_err!("No impl block found for function"))?;
     if fn_def.self_param(sema.db).is_some() {
-        return Err(RenameError("Method already has a self parameter".to_string()));
+        bail!("Method already has a self parameter");
     }
 
     let params = fn_def.assoc_fn_params(sema.db);
-    let first_param =
-        params.first().ok_or_else(|| RenameError("Method has no parameters".into()))?;
+    let first_param = params.first().ok_or_else(|| format_err!("Method has no parameters"))?;
     let first_param_ty = first_param.ty();
     let impl_ty = impl_block.target_ty(sema.db);
     let (ty, self_param) = if impl_ty.remove_ref().is_some() {
@@ -307,18 +326,17 @@ fn rename_to_self(
     };
 
     if ty != impl_ty {
-        return Err(RenameError("Parameter type differs from impl block type".to_string()));
+        bail!("Parameter type differs from impl block type");
     }
 
-    let RangeInfo { range, info: refs } = find_all_refs(sema, position, None)
-        .ok_or_else(|| RenameError("No reference found at position".to_string()))?;
+    let RangeInfo { range, info: refs } = find_all_refs(sema, position)?;
 
     let (param_ref, usages): (Vec<Reference>, Vec<Reference>) = refs
         .into_iter()
         .partition(|reference| param_range.intersect(reference.file_range.range).is_some());
 
     if param_ref.is_empty() {
-        return Err(RenameError("Parameter to rename not found".to_string()));
+        bail!("Parameter to rename not found");
     }
 
     let mut edits = usages
@@ -367,12 +385,22 @@ fn rename_self_to_param(
     self_token: SyntaxToken,
     new_name: &str,
 ) -> Result<RangeInfo<SourceChange>, RenameError> {
+    let ident_kind = check_identifier(new_name)?;
+    match ident_kind {
+        IdentifierKind::Lifetime => bail!("Invalid name `{}`: not an identifier", new_name),
+        IdentifierKind::ToSelf => {
+            // no-op
+            mark::hit!(rename_self_to_self);
+            return Ok(RangeInfo::new(self_token.text_range(), SourceChange::default()));
+        }
+        _ => (),
+    }
     let source_file = sema.parse(position.file_id);
     let syn = source_file.syntax();
 
     let text = sema.db.file_text(position.file_id);
     let fn_def = find_node_at_offset::<ast::Fn>(syn, position.offset)
-        .ok_or_else(|| RenameError("No surrounding method declaration found".to_string()))?;
+        .ok_or_else(|| format_err!("No surrounding method declaration found"))?;
     let search_range = fn_def.syntax().text_range();
 
     let mut edits: Vec<SourceFileEdit> = vec![];
@@ -382,12 +410,10 @@ fn rename_self_to_param(
         if !search_range.contains_inclusive(offset) {
             continue;
         }
-        if let Some(ref usage) =
-            syn.token_at_offset(offset).find(|t| t.kind() == SyntaxKind::SELF_KW)
-        {
+        if let Some(ref usage) = syn.token_at_offset(offset).find(|t| t.kind() == T![self]) {
             let edit = if let Some(ref self_param) = ast::SelfParam::cast(usage.parent()) {
                 text_edit_from_self_param(syn, self_param, new_name)
-                    .ok_or_else(|| RenameError("No target type found".to_string()))?
+                    .ok_or_else(|| format_err!("No target type found"))?
             } else {
                 TextEdit::replace(usage.text_range(), String::from(new_name))
             };
@@ -395,6 +421,10 @@ fn rename_self_to_param(
         }
     }
 
+    if edits.len() > 1 && ident_kind == IdentifierKind::Underscore {
+        bail!("Cannot rename reference to `_` as it is being referenced multiple times");
+    }
+
     let range = ast::SelfParam::cast(self_token.parent())
         .map_or(self_token.text_range(), |p| p.syntax().text_range());
 
@@ -405,24 +435,34 @@ fn rename_reference(
     sema: &Semantics<RootDatabase>,
     position: FilePosition,
     new_name: &str,
-    is_lifetime_name: bool,
 ) -> Result<RangeInfo<SourceChange>, RenameError> {
-    let RangeInfo { range, info: refs } = match find_all_refs(sema, position, None) {
-        Some(range_info) => range_info,
-        None => return Err(RenameError("No references found at position".to_string())),
-    };
-
-    match (refs.declaration.kind == ReferenceKind::Lifetime, is_lifetime_name) {
-        (true, false) => {
-            return Err(RenameError(format!(
-                "Invalid name `{}`: not a lifetime identifier",
-                new_name
-            )))
+    let ident_kind = check_identifier(new_name)?;
+    let RangeInfo { range, info: refs } = find_all_refs(sema, position)?;
+
+    match (ident_kind, &refs.declaration.kind) {
+        (IdentifierKind::ToSelf, ReferenceKind::Lifetime)
+        | (IdentifierKind::Underscore, ReferenceKind::Lifetime)
+        | (IdentifierKind::Ident, ReferenceKind::Lifetime) => {
+            mark::hit!(rename_not_a_lifetime_ident_ref);
+            bail!("Invalid name `{}`: not a lifetime identifier", new_name)
         }
-        (false, true) => {
-            return Err(RenameError(format!("Invalid name `{}`: not an identifier", new_name)))
+        (IdentifierKind::Lifetime, ReferenceKind::Lifetime) => mark::hit!(rename_lifetime),
+        (IdentifierKind::Lifetime, _) => {
+            mark::hit!(rename_not_an_ident_ref);
+            bail!("Invalid name `{}`: not an identifier", new_name)
         }
-        _ => (),
+        (IdentifierKind::ToSelf, ReferenceKind::SelfKw) => {
+            unreachable!("rename_self_to_param should've been called instead")
+        }
+        (IdentifierKind::ToSelf, _) => {
+            mark::hit!(rename_to_self);
+            return rename_to_self(sema, position);
+        }
+        (IdentifierKind::Underscore, _) if !refs.references.is_empty() => {
+            mark::hit!(rename_underscore_multiple);
+            bail!("Cannot rename reference to `_` as it is being referenced multiple times")
+        }
+        (IdentifierKind::Ident, _) | (IdentifierKind::Underscore, _) => mark::hit!(rename_ident),
     }
 
     let edit = refs
@@ -430,10 +470,6 @@ fn rename_reference(
         .map(|reference| source_edit_from_reference(sema, reference, new_name))
         .collect::<Vec<_>>();
 
-    if edit.is_empty() {
-        return Err(RenameError("No references found at position".to_string()));
-    }
-
     Ok(RangeInfo::new(range, SourceChange::from(edit)))
 }
 
@@ -462,9 +498,11 @@ mod tests {
                         text_edit_builder.replace(indel.delete, indel.insert);
                     }
                 }
-                let mut result = analysis.file_text(file_id.unwrap()).unwrap().to_string();
-                text_edit_builder.finish().apply(&mut result);
-                assert_eq_text!(ra_fixture_after, &*result);
+                if let Some(file_id) = file_id {
+                    let mut result = analysis.file_text(file_id).unwrap().to_string();
+                    text_edit_builder.finish().apply(&mut result);
+                    assert_eq_text!(ra_fixture_after, &*result);
+                }
             }
             Err(err) => {
                 if ra_fixture_after.starts_with("error:") {
@@ -530,6 +568,7 @@ mod tests {
 
     #[test]
     fn test_rename_to_invalid_identifier_lifetime() {
+        mark::check!(rename_not_an_ident_ref);
         check(
             "'foo",
             r#"fn main() { let i$0 = 1; }"#,
@@ -539,6 +578,7 @@ mod tests {
 
     #[test]
     fn test_rename_to_invalid_identifier_lifetime2() {
+        mark::check!(rename_not_a_lifetime_ident_ref);
         check(
             "foo",
             r#"fn main<'a>(_: &'a$0 ()) {}"#,
@@ -547,7 +587,27 @@ mod tests {
     }
 
     #[test]
+    fn test_rename_to_underscore_invalid() {
+        mark::check!(rename_underscore_multiple);
+        check(
+            "_",
+            r#"fn main(foo$0: ()) {foo;}"#,
+            "error: Cannot rename reference to `_` as it is being referenced multiple times",
+        );
+    }
+
+    #[test]
+    fn test_rename_mod_invalid() {
+        check(
+            "'foo",
+            r#"mod foo$0 {}"#,
+            "error: Invalid name `'foo`: cannot rename module to 'foo",
+        );
+    }
+
+    #[test]
     fn test_rename_for_local() {
+        mark::check!(rename_ident);
         check(
             "k",
             r#"
@@ -945,7 +1005,7 @@ use crate::foo$0::FooContent;
 //- /lib.rs
 mod fo$0o;
 //- /foo/mod.rs
-// emtpy
+// empty
 "#,
             expect![[r#"
                 RangeInfo {
@@ -995,7 +1055,7 @@ mod fo$0o;
 mod outer { mod fo$0o; }
 
 //- /outer/foo.rs
-// emtpy
+// empty
 "#,
             expect![[r#"
                 RangeInfo {
@@ -1178,6 +1238,7 @@ fn foo(f: foo::Foo) {
 
     #[test]
     fn test_parameter_to_self() {
+        mark::check!(rename_to_self);
         check(
             "self",
             r#"
@@ -1481,6 +1542,7 @@ fn foo(Foo { i: bar }: foo) -> i32 {
 
     #[test]
     fn test_rename_lifetimes() {
+        mark::check!(rename_lifetime);
         check(
             "'yeeee",
             r#"
@@ -1565,4 +1627,24 @@ fn foo<'a>() -> &'a () {
 "#,
         )
     }
+
+    #[test]
+    fn test_self_to_self() {
+        mark::check!(rename_self_to_self);
+        check(
+            "self",
+            r#"
+struct Foo;
+impl Foo {
+    fn foo(self$0) {}
+}
+"#,
+            r#"
+struct Foo;
+impl Foo {
+    fn foo(self) {}
+}
+"#,
+        )
+    }
 }
diff --git a/crates/ide/src/runnables.rs b/crates/ide/src/runnables.rs
index 557563d7e..f5ee7de86 100644
--- a/crates/ide/src/runnables.rs
+++ b/crates/ide/src/runnables.rs
@@ -3,7 +3,7 @@ use std::fmt;
 use assists::utils::test_related_attribute;
 use cfg::CfgExpr;
 use hir::{AsAssocItem, HasAttrs, HasSource, Semantics};
-use ide_db::RootDatabase;
+use ide_db::{defs::Definition, RootDatabase};
 use itertools::Itertools;
 use syntax::{
     ast::{self, AstNode, AttrsOwner, ModuleItemOwner},
@@ -96,21 +96,26 @@ impl Runnable {
 pub(crate) fn runnables(db: &RootDatabase, file_id: FileId) -> Vec<Runnable> {
     let sema = Semantics::new(db);
     let source_file = sema.parse(file_id);
-    source_file.syntax().descendants().filter_map(|i| runnable(&sema, i)).collect()
-}
-
-pub(crate) fn runnable(sema: &Semantics<RootDatabase>, item: SyntaxNode) -> Option<Runnable> {
-    let runnable_item = match_ast! {
-        match (item.clone()) {
-            ast::Fn(func) => {
-                let def = sema.to_def(&func)?;
-                runnable_fn(sema, def)
-            },
-            ast::Module(it) => runnable_mod(sema, it),
-            _ => None,
-        }
-    };
-    runnable_item.or_else(|| runnable_doctest(sema, item))
+    source_file
+        .syntax()
+        .descendants()
+        .filter_map(|item| {
+            let runnable = match_ast! {
+                match item {
+                    ast::Fn(func) => {
+                        let def = sema.to_def(&func)?;
+                        runnable_fn(&sema, def)
+                    },
+                    ast::Module(it) => runnable_mod(&sema, it),
+                    _ => None,
+                }
+            };
+            runnable.or_else(|| match doc_owner_to_def(&sema, item)? {
+                Definition::ModuleDef(def) => module_def_doctest(&sema, def),
+                _ => None,
+            })
+        })
+        .collect()
 }
 
 pub(crate) fn runnable_fn(sema: &Semantics<RootDatabase>, def: hir::Function) -> Option<Runnable> {
@@ -145,20 +150,49 @@ pub(crate) fn runnable_fn(sema: &Semantics<RootDatabase>, def: hir::Function) ->
     Some(Runnable { nav, kind, cfg })
 }
 
-fn runnable_doctest(sema: &Semantics<RootDatabase>, item: SyntaxNode) -> Option<Runnable> {
-    match_ast! {
+pub(crate) fn runnable_mod(
+    sema: &Semantics<RootDatabase>,
+    module: ast::Module,
+) -> Option<Runnable> {
+    if !has_test_function_or_multiple_test_submodules(&module) {
+        return None;
+    }
+    let module_def = sema.to_def(&module)?;
+
+    let path = module_def
+        .path_to_root(sema.db)
+        .into_iter()
+        .rev()
+        .filter_map(|it| it.name(sema.db))
+        .join("::");
+
+    let def = sema.to_def(&module)?;
+    let attrs = def.attrs(sema.db);
+    let cfg = attrs.cfg();
+    let nav = module_def.to_nav(sema.db);
+    Some(Runnable { nav, kind: RunnableKind::TestMod { path }, cfg })
+}
+
+// FIXME: figure out a proper API here.
+pub(crate) fn doc_owner_to_def(
+    sema: &Semantics<RootDatabase>,
+    item: SyntaxNode,
+) -> Option<Definition> {
+    let res: hir::ModuleDef = match_ast! {
         match item {
-            ast::Fn(it) => module_def_doctest(sema, sema.to_def(&it)?.into()),
-            ast::Struct(it) => module_def_doctest(sema, sema.to_def(&it)?.into()),
-            ast::Enum(it) => module_def_doctest(sema, sema.to_def(&it)?.into()),
-            ast::Union(it) => module_def_doctest(sema, sema.to_def(&it)?.into()),
-            ast::Trait(it) => module_def_doctest(sema, sema.to_def(&it)?.into()),
-            ast::Const(it) => module_def_doctest(sema, sema.to_def(&it)?.into()),
-            ast::Static(it) => module_def_doctest(sema, sema.to_def(&it)?.into()),
-            ast::TypeAlias(it) => module_def_doctest(sema, sema.to_def(&it)?.into()),
-            _ => None,
+            ast::SourceFile(it) => sema.scope(&item).module()?.into(),
+            ast::Fn(it) => sema.to_def(&it)?.into(),
+            ast::Struct(it) => sema.to_def(&it)?.into(),
+            ast::Enum(it) => sema.to_def(&it)?.into(),
+            ast::Union(it) => sema.to_def(&it)?.into(),
+            ast::Trait(it) => sema.to_def(&it)?.into(),
+            ast::Const(it) => sema.to_def(&it)?.into(),
+            ast::Static(it) => sema.to_def(&it)?.into(),
+            ast::TypeAlias(it) => sema.to_def(&it)?.into(),
+            _ => return None,
         }
-    }
+    };
+    Some(Definition::ModuleDef(res))
 }
 
 fn module_def_doctest(sema: &Semantics<RootDatabase>, def: hir::ModuleDef) -> Option<Runnable> {
@@ -253,26 +287,6 @@ fn has_runnable_doc_test(attrs: &hir::Attrs) -> bool {
     })
 }
 
-fn runnable_mod(sema: &Semantics<RootDatabase>, module: ast::Module) -> Option<Runnable> {
-    if !has_test_function_or_multiple_test_submodules(&module) {
-        return None;
-    }
-    let module_def = sema.to_def(&module)?;
-
-    let path = module_def
-        .path_to_root(sema.db)
-        .into_iter()
-        .rev()
-        .filter_map(|it| it.name(sema.db))
-        .join("::");
-
-    let def = sema.to_def(&module)?;
-    let attrs = def.attrs(sema.db);
-    let cfg = attrs.cfg();
-    let nav = module_def.to_nav(sema.db);
-    Some(Runnable { nav, kind: RunnableKind::TestMod { path }, cfg })
-}
-
 // We could create runnables for modules with number_of_test_submodules > 0,
 // but that bloats the runnables for no real benefit, since all tests can be run by the submodule already
 fn has_test_function_or_multiple_test_submodules(module: &ast::Module) -> bool {
diff --git a/crates/ide/src/syntax_highlighting.rs b/crates/ide/src/syntax_highlighting.rs
index ba0085244..f2d4da78d 100644
--- a/crates/ide/src/syntax_highlighting.rs
+++ b/crates/ide/src/syntax_highlighting.rs
@@ -1,35 +1,39 @@
+pub(crate) mod tags;
+
+mod highlights;
+mod injector;
+
+mod highlight;
 mod format;
-mod html;
-mod injection;
 mod macro_rules;
-pub(crate) mod tags;
+mod inject;
+
+mod html;
 #[cfg(test)]
 mod tests;
 
-use hir::{AsAssocItem, Local, Name, Semantics, VariantDef};
-use ide_db::{
-    defs::{Definition, NameClass, NameRefClass},
-    RootDatabase,
-};
+use hir::{Name, Semantics};
+use ide_db::RootDatabase;
 use rustc_hash::FxHashMap;
 use syntax::{
     ast::{self, HasFormatSpecifier},
-    AstNode, AstToken, Direction, NodeOrToken, SyntaxElement,
-    SyntaxKind::{self, *},
-    SyntaxNode, SyntaxToken, TextRange, WalkEvent, T,
+    AstNode, AstToken, Direction, NodeOrToken,
+    SyntaxKind::*,
+    SyntaxNode, TextRange, WalkEvent, T,
 };
 
 use crate::{
     syntax_highlighting::{
-        format::FormatStringHighlighter, macro_rules::MacroRulesHighlighter, tags::Highlight,
+        format::highlight_format_string, highlights::Highlights,
+        macro_rules::MacroRulesHighlighter, tags::Highlight,
     },
-    FileId, HighlightModifier, HighlightTag, SymbolKind,
+    FileId, HlMod, HlTag, SymbolKind,
 };
 
 pub(crate) use html::highlight_as_html;
 
-#[derive(Debug, Clone)]
-pub struct HighlightedRange {
+#[derive(Debug, Clone, Copy)]
+pub struct HlRange {
     pub range: TextRange,
     pub highlight: Highlight,
     pub binding_hash: Option<u64>,
@@ -49,7 +53,7 @@ pub(crate) fn highlight(
     file_id: FileId,
     range_to_highlight: Option<TextRange>,
     syntactic_name_ref_highlighting: bool,
-) -> Vec<HighlightedRange> {
+) -> Vec<HlRange> {
     let _p = profile::span("highlight");
     let sema = Semantics::new(db);
 
@@ -68,28 +72,30 @@ pub(crate) fn highlight(
         }
     };
 
+    let mut hl = highlights::Highlights::new(range_to_highlight);
+    traverse(&mut hl, &sema, &root, range_to_highlight, syntactic_name_ref_highlighting);
+    hl.to_vec()
+}
+
+fn traverse(
+    hl: &mut Highlights,
+    sema: &Semantics<RootDatabase>,
+    root: &SyntaxNode,
+    range_to_highlight: TextRange,
+    syntactic_name_ref_highlighting: bool,
+) {
     let mut bindings_shadow_count: FxHashMap<Name, u32> = FxHashMap::default();
-    // We use a stack for the DFS traversal below.
-    // When we leave a node, the we use it to flatten the highlighted ranges.
-    let mut stack = HighlightedRangeStack::new();
 
     let mut current_macro_call: Option<ast::MacroCall> = None;
     let mut current_macro_rules: Option<ast::MacroRules> = None;
-    let mut format_string_highlighter = FormatStringHighlighter::default();
     let mut macro_rules_highlighter = MacroRulesHighlighter::default();
     let mut inside_attribute = false;
 
     // Walk all nodes, keeping track of whether we are inside a macro or not.
     // If in macro, expand it first and highlight the expanded code.
     for event in root.preorder_with_tokens() {
-        match &event {
-            WalkEvent::Enter(_) => stack.push(),
-            WalkEvent::Leave(_) => stack.pop(),
-        };
-
         let event_range = match &event {
-            WalkEvent::Enter(it) => it.text_range(),
-            WalkEvent::Leave(it) => it.text_range(),
+            WalkEvent::Enter(it) | WalkEvent::Leave(it) => it.text_range(),
         };
 
         // Element outside of the viewport, no need to highlight
@@ -101,9 +107,9 @@ pub(crate) fn highlight(
         match event.clone().map(|it| it.into_node().and_then(ast::MacroCall::cast)) {
             WalkEvent::Enter(Some(mc)) => {
                 if let Some(range) = macro_call_range(&mc) {
-                    stack.add(HighlightedRange {
+                    hl.add(HlRange {
                         range,
-                        highlight: HighlightTag::Symbol(SymbolKind::Macro).into(),
+                        highlight: HlTag::Symbol(SymbolKind::Macro).into(),
                         binding_hash: None,
                     });
                 }
@@ -113,7 +119,6 @@ pub(crate) fn highlight(
             WalkEvent::Leave(Some(mc)) => {
                 assert_eq!(current_macro_call, Some(mc));
                 current_macro_call = None;
-                format_string_highlighter = FormatStringHighlighter::default();
             }
             _ => (),
         }
@@ -131,33 +136,24 @@ pub(crate) fn highlight(
             }
             _ => (),
         }
-
         match &event {
-            // Check for Rust code in documentation
-            WalkEvent::Leave(NodeOrToken::Node(node)) => {
-                if ast::Attr::can_cast(node.kind()) {
-                    inside_attribute = false
-                }
-                if let Some((doctest, range_mapping, new_comments)) =
-                    injection::extract_doc_comments(node)
-                {
-                    injection::highlight_doc_comment(
-                        doctest,
-                        range_mapping,
-                        new_comments,
-                        &mut stack,
-                    );
-                }
-            }
             WalkEvent::Enter(NodeOrToken::Node(node)) if ast::Attr::can_cast(node.kind()) => {
                 inside_attribute = true
             }
+            WalkEvent::Leave(NodeOrToken::Node(node)) if ast::Attr::can_cast(node.kind()) => {
+                inside_attribute = false
+            }
             _ => (),
         }
 
         let element = match event {
             WalkEvent::Enter(it) => it,
-            WalkEvent::Leave(_) => continue,
+            WalkEvent::Leave(it) => {
+                if let Some(node) = it.as_node() {
+                    inject::doc_comment(hl, node);
+                }
+                continue;
+            }
         };
 
         let range = element.text_range();
@@ -177,8 +173,6 @@ pub(crate) fn highlight(
             let token = sema.descend_into_macros(token.clone());
             let parent = token.parent();
 
-            format_string_highlighter.check_for_format_string(&parent);
-
             // We only care Name and Name_ref
             match (token.kind(), parent.kind()) {
                 (IDENT, NAME) | (IDENT, NAME_REF) => parent.into(),
@@ -191,213 +185,45 @@ pub(crate) fn highlight(
         if let Some(token) = element.as_token().cloned().and_then(ast::String::cast) {
             if token.is_raw() {
                 let expanded = element_to_highlight.as_token().unwrap().clone();
-                if injection::highlight_injection(&mut stack, &sema, token, expanded).is_some() {
+                if inject::ra_fixture(hl, &sema, token, expanded).is_some() {
                     continue;
                 }
             }
         }
 
-        if let Some((mut highlight, binding_hash)) = highlight_element(
+        if let Some(_) = macro_rules_highlighter.highlight(element_to_highlight.clone()) {
+            continue;
+        }
+
+        if let Some((mut highlight, binding_hash)) = highlight::element(
             &sema,
             &mut bindings_shadow_count,
             syntactic_name_ref_highlighting,
             element_to_highlight.clone(),
         ) {
             if inside_attribute {
-                highlight = highlight | HighlightModifier::Attribute;
-            }
-
-            if macro_rules_highlighter.highlight(element_to_highlight.clone()).is_none() {
-                stack.add(HighlightedRange { range, highlight, binding_hash });
+                highlight = highlight | HlMod::Attribute;
             }
 
-            if let Some(string) =
-                element_to_highlight.as_token().cloned().and_then(ast::String::cast)
-            {
-                format_string_highlighter.highlight_format_string(&mut stack, &string, range);
-                // Highlight escape sequences
-                if let Some(char_ranges) = string.char_ranges() {
-                    stack.push();
-                    for (piece_range, _) in char_ranges.iter().filter(|(_, char)| char.is_ok()) {
-                        if string.text()[piece_range.start().into()..].starts_with('\\') {
-                            stack.add(HighlightedRange {
-                                range: piece_range + range.start(),
-                                highlight: HighlightTag::EscapeSequence.into(),
-                                binding_hash: None,
-                            });
-                        }
-                    }
-                    stack.pop_and_inject(None);
-                }
-            }
+            hl.add(HlRange { range, highlight, binding_hash });
         }
-    }
-
-    stack.flattened()
-}
-
-#[derive(Debug)]
-struct HighlightedRangeStack {
-    stack: Vec<Vec<HighlightedRange>>,
-}
-
-/// We use a stack to implement the flattening logic for the highlighted
-/// syntax ranges.
-impl HighlightedRangeStack {
-    fn new() -> Self {
-        Self { stack: vec![Vec::new()] }
-    }
-
-    fn push(&mut self) {
-        self.stack.push(Vec::new());
-    }
-
-    /// Flattens the highlighted ranges.
-    ///
-    /// For example `#[cfg(feature = "foo")]` contains the nested ranges:
-    /// 1) parent-range: Attribute [0, 23)
-    /// 2) child-range: String [16, 21)
-    ///
-    /// The following code implements the flattening, for our example this results to:
-    /// `[Attribute [0, 16), String [16, 21), Attribute [21, 23)]`
-    fn pop(&mut self) {
-        let children = self.stack.pop().unwrap();
-        let prev = self.stack.last_mut().unwrap();
-        let needs_flattening = !children.is_empty()
-            && !prev.is_empty()
-            && prev.last().unwrap().range.contains_range(children.first().unwrap().range);
-        if !needs_flattening {
-            prev.extend(children);
-        } else {
-            let mut parent = prev.pop().unwrap();
-            for ele in children {
-                assert!(parent.range.contains_range(ele.range));
-
-                let cloned = Self::intersect(&mut parent, &ele);
-                if !parent.range.is_empty() {
-                    prev.push(parent);
-                }
-                prev.push(ele);
-                parent = cloned;
-            }
-            if !parent.range.is_empty() {
-                prev.push(parent);
-            }
-        }
-    }
-
-    /// Intersects the `HighlightedRange` `parent` with `child`.
-    /// `parent` is mutated in place, becoming the range before `child`.
-    /// Returns the range (of the same type as `parent`) *after* `child`.
-    fn intersect(parent: &mut HighlightedRange, child: &HighlightedRange) -> HighlightedRange {
-        assert!(parent.range.contains_range(child.range));
-
-        let mut cloned = parent.clone();
-        parent.range = TextRange::new(parent.range.start(), child.range.start());
-        cloned.range = TextRange::new(child.range.end(), cloned.range.end());
 
-        cloned
-    }
-
-    /// Remove the `HighlightRange` of `parent` that's currently covered by `child`.
-    fn intersect_partial(parent: &mut HighlightedRange, child: &HighlightedRange) {
-        assert!(
-            parent.range.start() <= child.range.start()
-                && parent.range.end() >= child.range.start()
-                && child.range.end() > parent.range.end()
-        );
-
-        parent.range = TextRange::new(parent.range.start(), child.range.start());
-    }
-
-    /// Similar to `pop`, but can modify arbitrary prior ranges (where `pop`)
-    /// can only modify the last range currently on the stack.
-    /// Can be used to do injections that span multiple ranges, like the
-    /// doctest injection below.
-    /// If `overwrite_parent` is non-optional, the highlighting of the parent range
-    /// is overwritten with the argument.
-    ///
-    /// Note that `pop` can be simulated by `pop_and_inject(false)` but the
-    /// latter is computationally more expensive.
-    fn pop_and_inject(&mut self, overwrite_parent: Option<Highlight>) {
-        let mut children = self.stack.pop().unwrap();
-        let prev = self.stack.last_mut().unwrap();
-        children.sort_by_key(|range| range.range.start());
-        prev.sort_by_key(|range| range.range.start());
-
-        for child in children {
-            if let Some(idx) =
-                prev.iter().position(|parent| parent.range.contains_range(child.range))
-            {
-                if let Some(tag) = overwrite_parent {
-                    prev[idx].highlight = tag;
-                }
-
-                let cloned = Self::intersect(&mut prev[idx], &child);
-                let insert_idx = if prev[idx].range.is_empty() {
-                    prev.remove(idx);
-                    idx
-                } else {
-                    idx + 1
-                };
-                prev.insert(insert_idx, child);
-                if !cloned.range.is_empty() {
-                    prev.insert(insert_idx + 1, cloned);
-                }
-            } else {
-                let maybe_idx =
-                    prev.iter().position(|parent| parent.range.contains(child.range.start()));
-                match (overwrite_parent, maybe_idx) {
-                    (Some(_), Some(idx)) => {
-                        Self::intersect_partial(&mut prev[idx], &child);
-                        let insert_idx = if prev[idx].range.is_empty() {
-                            prev.remove(idx);
-                            idx
-                        } else {
-                            idx + 1
-                        };
-                        prev.insert(insert_idx, child);
-                    }
-                    (_, None) => {
-                        let idx = prev
-                            .binary_search_by_key(&child.range.start(), |range| range.range.start())
-                            .unwrap_or_else(|x| x);
-                        prev.insert(idx, child);
-                    }
-                    _ => {
-                        unreachable!("child range should be completely contained in parent range");
+        if let Some(string) = element_to_highlight.as_token().cloned().and_then(ast::String::cast) {
+            highlight_format_string(hl, &string, range);
+            // Highlight escape sequences
+            if let Some(char_ranges) = string.char_ranges() {
+                for (piece_range, _) in char_ranges.iter().filter(|(_, char)| char.is_ok()) {
+                    if string.text()[piece_range.start().into()..].starts_with('\\') {
+                        hl.add(HlRange {
+                            range: piece_range + range.start(),
+                            highlight: HlTag::EscapeSequence.into(),
+                            binding_hash: None,
+                        });
                     }
                 }
             }
         }
     }
-
-    fn add(&mut self, range: HighlightedRange) {
-        self.stack
-            .last_mut()
-            .expect("during DFS traversal, the stack must not be empty")
-            .push(range)
-    }
-
-    fn flattened(mut self) -> Vec<HighlightedRange> {
-        assert_eq!(
-            self.stack.len(),
-            1,
-            "after DFS traversal, the stack should only contain a single element"
-        );
-        let mut res = self.stack.pop().unwrap();
-        res.sort_by_key(|range| range.range.start());
-        // Check that ranges are sorted and disjoint
-        for (left, right) in res.iter().zip(res.iter().skip(1)) {
-            assert!(
-                left.range.end() <= right.range.start(),
-                "left: {:#?}, right: {:#?}",
-                left,
-                right
-            );
-        }
-        res
-    }
 }
 
 fn macro_call_range(macro_call: &ast::MacroCall) -> Option<TextRange> {
@@ -415,524 +241,3 @@ fn macro_call_range(macro_call: &ast::MacroCall) -> Option<TextRange> {
 
     Some(TextRange::new(range_start, range_end))
 }
-
-/// Returns true if the parent nodes of `node` all match the `SyntaxKind`s in `kinds` exactly.
-fn parents_match(mut node: NodeOrToken<SyntaxNode, SyntaxToken>, mut kinds: &[SyntaxKind]) -> bool {
-    while let (Some(parent), [kind, rest @ ..]) = (&node.parent(), kinds) {
-        if parent.kind() != *kind {
-            return false;
-        }
-
-        // FIXME: Would be nice to get parent out of the match, but binding by-move and by-value
-        // in the same pattern is unstable: rust-lang/rust#68354.
-        node = node.parent().unwrap().into();
-        kinds = rest;
-    }
-
-    // Only true if we matched all expected kinds
-    kinds.len() == 0
-}
-
-fn is_consumed_lvalue(
-    node: NodeOrToken<SyntaxNode, SyntaxToken>,
-    local: &Local,
-    db: &RootDatabase,
-) -> bool {
-    // When lvalues are passed as arguments and they're not Copy, then mark them as Consuming.
-    parents_match(node, &[PATH_SEGMENT, PATH, PATH_EXPR, ARG_LIST]) && !local.ty(db).is_copy(db)
-}
-
-fn highlight_element(
-    sema: &Semantics<RootDatabase>,
-    bindings_shadow_count: &mut FxHashMap<Name, u32>,
-    syntactic_name_ref_highlighting: bool,
-    element: SyntaxElement,
-) -> Option<(Highlight, Option<u64>)> {
-    let db = sema.db;
-    let mut binding_hash = None;
-    let highlight: Highlight = match element.kind() {
-        FN => {
-            bindings_shadow_count.clear();
-            return None;
-        }
-
-        // Highlight definitions depending on the "type" of the definition.
-        NAME => {
-            let name = element.into_node().and_then(ast::Name::cast).unwrap();
-            let name_kind = NameClass::classify(sema, &name);
-
-            if let Some(NameClass::Definition(Definition::Local(local))) = &name_kind {
-                if let Some(name) = local.name(db) {
-                    let shadow_count = bindings_shadow_count.entry(name.clone()).or_default();
-                    *shadow_count += 1;
-                    binding_hash = Some(calc_binding_hash(&name, *shadow_count))
-                }
-            };
-
-            match name_kind {
-                Some(NameClass::ExternCrate(_)) => HighlightTag::Symbol(SymbolKind::Module).into(),
-                Some(NameClass::Definition(def)) => {
-                    highlight_def(db, def) | HighlightModifier::Definition
-                }
-                Some(NameClass::ConstReference(def)) => highlight_def(db, def),
-                Some(NameClass::PatFieldShorthand { field_ref, .. }) => {
-                    let mut h = HighlightTag::Symbol(SymbolKind::Field).into();
-                    if let Definition::Field(field) = field_ref {
-                        if let VariantDef::Union(_) = field.parent_def(db) {
-                            h |= HighlightModifier::Unsafe;
-                        }
-                    }
-
-                    h
-                }
-                None => highlight_name_by_syntax(name) | HighlightModifier::Definition,
-            }
-        }
-
-        // Highlight references like the definitions they resolve to
-        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))
-        }
-        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::Definition(def) => {
-                            if let Definition::Local(local) = &def {
-                                if let Some(name) = local.name(db) {
-                                    let shadow_count =
-                                        bindings_shadow_count.entry(name.clone()).or_default();
-                                    binding_hash = Some(calc_binding_hash(&name, *shadow_count))
-                                }
-                            };
-
-                            let mut h = highlight_def(db, def);
-
-                            if let Definition::Local(local) = &def {
-                                if is_consumed_lvalue(name_ref.syntax().clone().into(), local, db) {
-                                    h |= HighlightModifier::Consuming;
-                                }
-                            }
-
-                            if let Some(parent) = name_ref.syntax().parent() {
-                                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
-                        }
-                        NameRefClass::FieldShorthand { .. } => {
-                            HighlightTag::Symbol(SymbolKind::Field).into()
-                        }
-                    },
-                    None if syntactic_name_ref_highlighting => {
-                        highlight_name_ref_by_syntax(name_ref, sema)
-                    }
-                    None => HighlightTag::UnresolvedReference.into(),
-                }
-            })
-        }
-
-        // Simple token-based highlighting
-        COMMENT => {
-            let comment = element.into_token().and_then(ast::Comment::cast)?;
-            let h = HighlightTag::Comment;
-            match comment.kind().doc {
-                Some(_) => h | HighlightModifier::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,
-        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
-                }
-                None => match NameRefClass::classify_lifetime(sema, &lifetime) {
-                    Some(NameRefClass::Definition(def)) => highlight_def(db, def),
-                    _ => Highlight::new(HighlightTag::Symbol(SymbolKind::LifetimeParam)),
-                },
-                _ => {
-                    Highlight::new(HighlightTag::Symbol(SymbolKind::LifetimeParam))
-                        | HighlightModifier::Definition
-                }
-            }
-        }
-        p if p.is_punct() => match p {
-            T![&] => {
-                let h = HighlightTag::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
-                } else {
-                    h
-                }
-            }
-            T![::] | T![->] | T![=>] | T![..] | T![=] | T![@] | T![.] => {
-                HighlightTag::Operator.into()
-            }
-            T![!] if element.parent().and_then(ast::MacroCall::cast).is_some() => {
-                HighlightTag::Symbol(SymbolKind::Macro).into()
-            }
-            T![!] if element.parent().and_then(ast::NeverType::cast).is_some() => {
-                HighlightTag::BuiltinType.into()
-            }
-            T![*] if element.parent().and_then(ast::PtrType::cast).is_some() => {
-                HighlightTag::Keyword.into()
-            }
-            T![*] if element.parent().and_then(ast::PrefixExpr::cast).is_some() => {
-                let prefix_expr = element.parent().and_then(ast::PrefixExpr::cast)?;
-
-                let expr = prefix_expr.expr()?;
-                let ty = sema.type_of_expr(&expr)?;
-                if ty.is_raw_ptr() {
-                    HighlightTag::Operator | HighlightModifier::Unsafe
-                } else if let Some(ast::PrefixOp::Deref) = prefix_expr.op_kind() {
-                    HighlightTag::Operator.into()
-                } else {
-                    HighlightTag::Punctuation.into()
-                }
-            }
-            T![-] if element.parent().and_then(ast::PrefixExpr::cast).is_some() => {
-                let prefix_expr = element.parent().and_then(ast::PrefixExpr::cast)?;
-
-                let expr = prefix_expr.expr()?;
-                match expr {
-                    ast::Expr::Literal(_) => HighlightTag::NumericLiteral,
-                    _ => HighlightTag::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()
-            }
-            _ 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()
-            }
-            _ => HighlightTag::Punctuation.into(),
-        },
-
-        k if k.is_keyword() => {
-            let h = Highlight::new(HighlightTag::Keyword);
-            match k {
-                T![break]
-                | T![continue]
-                | T![else]
-                | T![if]
-                | T![loop]
-                | 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![self] => {
-                    let self_param_is_mut = element
-                        .parent()
-                        .and_then(ast::SelfParam::cast)
-                        .and_then(|p| p.mut_token())
-                        .is_some();
-                    let self_path = &element
-                        .parent()
-                        .as_ref()
-                        .and_then(SyntaxNode::parent)
-                        .and_then(ast::Path::cast)
-                        .and_then(|p| sema.resolve_path(&p));
-                    let mut h = HighlightTag::Symbol(SymbolKind::SelfParam).into();
-                    if self_param_is_mut
-                        || matches!(self_path,
-                            Some(hir::PathResolution::Local(local))
-                                if local.is_self(db)
-                                    && (local.is_mut(db) || local.ty(db).is_mutable_reference())
-                        )
-                    {
-                        h |= HighlightModifier::Mutable
-                    }
-
-                    if let Some(hir::PathResolution::Local(local)) = self_path {
-                        if is_consumed_lvalue(element, &local, db) {
-                            h |= HighlightModifier::Consuming;
-                        }
-                    }
-
-                    h
-                }
-                T![ref] => element
-                    .parent()
-                    .and_then(ast::IdentPat::cast)
-                    .and_then(|ident_pat| {
-                        if sema.is_unsafe_ident_pat(&ident_pat) {
-                            Some(HighlightModifier::Unsafe)
-                        } else {
-                            None
-                        }
-                    })
-                    .map(|modifier| h | modifier)
-                    .unwrap_or(h),
-                _ => h,
-            }
-        }
-
-        _ => return None,
-    };
-
-    return Some((highlight, binding_hash));
-
-    fn calc_binding_hash(name: &Name, shadow_count: u32) -> u64 {
-        fn hash<T: std::hash::Hash + std::fmt::Debug>(x: T) -> u64 {
-            use std::{collections::hash_map::DefaultHasher, hash::Hasher};
-
-            let mut hasher = DefaultHasher::new();
-            x.hash(&mut hasher);
-            hasher.finish()
-        }
-
-        hash((name, shadow_count))
-    }
-}
-
-fn is_child_of_impl(element: &SyntaxElement) -> bool {
-    match element.parent() {
-        Some(e) => e.kind() == IMPL,
-        _ => false,
-    }
-}
-
-fn highlight_func_by_name_ref(
-    sema: &Semantics<RootDatabase>,
-    name_ref: &ast::NameRef,
-) -> Option<Highlight> {
-    let method_call = name_ref.syntax().parent().and_then(ast::MethodCallExpr::cast)?;
-    highlight_method_call(sema, &method_call)
-}
-
-fn highlight_method_call(
-    sema: &Semantics<RootDatabase>,
-    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;
-    if func.is_unsafe(sema.db) || sema.is_unsafe_method_call(&method_call) {
-        h |= HighlightModifier::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::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
-                    }
-                }
-            }
-        }
-    }
-    Some(h)
-}
-
-fn highlight_def(db: &RootDatabase, def: Definition) -> Highlight {
-    match def {
-        Definition::Macro(_) => HighlightTag::Symbol(SymbolKind::Macro),
-        Definition::Field(_) => HighlightTag::Symbol(SymbolKind::Field),
-        Definition::ModuleDef(def) => match def {
-            hir::ModuleDef::Module(_) => HighlightTag::Symbol(SymbolKind::Module),
-            hir::ModuleDef::Function(func) => {
-                let mut h = Highlight::new(HighlightTag::Symbol(SymbolKind::Function));
-                if func.as_assoc_item(db).is_some() {
-                    h |= HighlightModifier::Associated;
-                    if func.self_param(db).is_none() {
-                        h |= HighlightModifier::Static
-                    }
-                }
-                if func.is_unsafe(db) {
-                    h |= HighlightModifier::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::Const(konst) => {
-                let mut h = Highlight::new(HighlightTag::Symbol(SymbolKind::Const));
-                if konst.as_assoc_item(db).is_some() {
-                    h |= HighlightModifier::Associated
-                }
-                return h;
-            }
-            hir::ModuleDef::Trait(_) => HighlightTag::Symbol(SymbolKind::Trait),
-            hir::ModuleDef::TypeAlias(type_) => {
-                let mut h = Highlight::new(HighlightTag::Symbol(SymbolKind::TypeAlias));
-                if type_.as_assoc_item(db).is_some() {
-                    h |= HighlightModifier::Associated
-                }
-                return h;
-            }
-            hir::ModuleDef::BuiltinType(_) => HighlightTag::BuiltinType,
-            hir::ModuleDef::Static(s) => {
-                let mut h = Highlight::new(HighlightTag::Symbol(SymbolKind::Static));
-                if s.is_mut(db) {
-                    h |= HighlightModifier::Mutable;
-                    h |= HighlightModifier::Unsafe;
-                }
-                return h;
-            }
-        },
-        Definition::SelfType(_) => HighlightTag::Symbol(SymbolKind::Impl),
-        Definition::TypeParam(_) => HighlightTag::Symbol(SymbolKind::TypeParam),
-        Definition::ConstParam(_) => HighlightTag::Symbol(SymbolKind::ConstParam),
-        Definition::Local(local) => {
-            let tag = if local.is_param(db) {
-                HighlightTag::Symbol(SymbolKind::ValueParam)
-            } else {
-                HighlightTag::Symbol(SymbolKind::Local)
-            };
-            let mut h = Highlight::new(tag);
-            if local.is_mut(db) || local.ty(db).is_mutable_reference() {
-                h |= HighlightModifier::Mutable;
-            }
-            if local.ty(db).as_callable(db).is_some() || local.ty(db).impls_fnonce(db) {
-                h |= HighlightModifier::Callable;
-            }
-            return h;
-        }
-        Definition::LifetimeParam(_) => HighlightTag::Symbol(SymbolKind::LifetimeParam),
-        Definition::Label(_) => HighlightTag::Symbol(SymbolKind::Label),
-    }
-    .into()
-}
-
-fn highlight_name_by_syntax(name: ast::Name) -> Highlight {
-    let default = HighlightTag::UnresolvedReference;
-
-    let parent = match name.syntax().parent() {
-        Some(it) => it,
-        _ => return default.into(),
-    };
-
-    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),
-        _ => default,
-    };
-
-    tag.into()
-}
-
-fn highlight_name_ref_by_syntax(name: ast::NameRef, sema: &Semantics<RootDatabase>) -> Highlight {
-    let default = HighlightTag::UnresolvedReference;
-
-    let parent = match name.syntax().parent() {
-        Some(it) => it,
-        _ => return default.into(),
-    };
-
-    match parent.kind() {
-        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());
-        }
-        FIELD_EXPR => {
-            let h = HighlightTag::Symbol(SymbolKind::Field);
-            let is_union = ast::FieldExpr::cast(parent)
-                .and_then(|field_expr| {
-                    let field = sema.resolve_field(&field_expr)?;
-                    Some(if let VariantDef::Union(_) = field.parent_def(sema.db) {
-                        true
-                    } else {
-                        false
-                    })
-                })
-                .unwrap_or(false);
-            if is_union {
-                h | HighlightModifier::Unsafe
-            } else {
-                h.into()
-            }
-        }
-        PATH_SEGMENT => {
-            let path = match parent.parent().and_then(ast::Path::cast) {
-                Some(it) => it,
-                _ => return default.into(),
-            };
-            let expr = match path.syntax().parent().and_then(ast::PathExpr::cast) {
-                Some(it) => it,
-                _ => {
-                    // 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)
-                    } else {
-                        HighlightTag::Symbol(SymbolKind::Module)
-                    }
-                    .into();
-                }
-            };
-            let parent = match expr.syntax().parent() {
-                Some(it) => it,
-                None => return default.into(),
-            };
-
-            match parent.kind() {
-                CALL_EXPR => HighlightTag::Symbol(SymbolKind::Function).into(),
-                _ => if name.text().chars().next().unwrap_or_default().is_uppercase() {
-                    HighlightTag::Symbol(SymbolKind::Struct)
-                } else {
-                    HighlightTag::Symbol(SymbolKind::Const)
-                }
-                .into(),
-            }
-        }
-        _ => default.into(),
-    }
-}
diff --git a/crates/ide/src/syntax_highlighting/format.rs b/crates/ide/src/syntax_highlighting/format.rs
index 26416022b..a74ca844b 100644
--- a/crates/ide/src/syntax_highlighting/format.rs
+++ b/crates/ide/src/syntax_highlighting/format.rs
@@ -1,65 +1,51 @@
 //! Syntax highlighting for format macro strings.
 use syntax::{
     ast::{self, FormatSpecifier, HasFormatSpecifier},
-    AstNode, AstToken, SyntaxElement, SyntaxKind, SyntaxNode, TextRange,
+    AstNode, AstToken, TextRange,
 };
 
-use crate::{
-    syntax_highlighting::HighlightedRangeStack, HighlightTag, HighlightedRange, SymbolKind,
-};
-
-#[derive(Default)]
-pub(super) struct FormatStringHighlighter {
-    format_string: Option<SyntaxElement>,
-}
+use crate::{syntax_highlighting::highlights::Highlights, HlRange, HlTag, SymbolKind};
 
-impl FormatStringHighlighter {
-    pub(super) fn check_for_format_string(&mut self, parent: &SyntaxNode) {
-        // Check if macro takes a format string and remember it for highlighting later.
-        // The macros that accept a format string expand to a compiler builtin macros
-        // `format_args` and `format_args_nl`.
-        if let Some(name) = parent
-            .parent()
-            .and_then(ast::MacroCall::cast)
-            .and_then(|mc| mc.path())
-            .and_then(|p| p.segment())
-            .and_then(|s| s.name_ref())
-        {
-            match name.text().as_str() {
-                "format_args" | "format_args_nl" => {
-                    self.format_string = parent
-                        .children_with_tokens()
-                        .filter(|t| t.kind() != SyntaxKind::WHITESPACE)
-                        .nth(1)
-                        .filter(|e| ast::String::can_cast(e.kind()))
-                }
-                _ => {}
-            }
-        }
+pub(super) fn highlight_format_string(
+    stack: &mut Highlights,
+    string: &ast::String,
+    range: TextRange,
+) {
+    if is_format_string(string).is_none() {
+        return;
     }
-    pub(super) fn highlight_format_string(
-        &self,
-        range_stack: &mut HighlightedRangeStack,
-        string: &impl HasFormatSpecifier,
-        range: TextRange,
-    ) {
-        if self.format_string.as_ref() == Some(&SyntaxElement::from(string.syntax().clone())) {
-            range_stack.push();
-            string.lex_format_specifier(|piece_range, kind| {
-                if let Some(highlight) = highlight_format_specifier(kind) {
-                    range_stack.add(HighlightedRange {
-                        range: piece_range + range.start(),
-                        highlight: highlight.into(),
-                        binding_hash: None,
-                    });
-                }
+
+    string.lex_format_specifier(|piece_range, kind| {
+        if let Some(highlight) = highlight_format_specifier(kind) {
+            stack.add(HlRange {
+                range: piece_range + range.start(),
+                highlight: highlight.into(),
+                binding_hash: None,
             });
-            range_stack.pop();
         }
+    });
+}
+
+fn is_format_string(string: &ast::String) -> Option<()> {
+    let parent = string.syntax().parent();
+
+    let name = parent.parent().and_then(ast::MacroCall::cast)?.path()?.segment()?.name_ref()?;
+    if !matches!(name.text().as_str(), "format_args" | "format_args_nl") {
+        return None;
+    }
+
+    let first_literal = parent
+        .children_with_tokens()
+        .filter_map(|it| it.as_token().cloned().and_then(ast::String::cast))
+        .next()?;
+    if &first_literal != string {
+        return None;
     }
+
+    Some(())
 }
 
-fn highlight_format_specifier(kind: FormatSpecifier) -> Option<HighlightTag> {
+fn highlight_format_specifier(kind: FormatSpecifier) -> Option<HlTag> {
     Some(match kind {
         FormatSpecifier::Open
         | FormatSpecifier::Close
@@ -71,8 +57,10 @@ 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/highlight.rs b/crates/ide/src/syntax_highlighting/highlight.rs
new file mode 100644
index 000000000..34bae49a8
--- /dev/null
+++ b/crates/ide/src/syntax_highlighting/highlight.rs
@@ -0,0 +1,530 @@
+//! Computes color for a single element.
+
+use hir::{AsAssocItem, Semantics, VariantDef};
+use ide_db::{
+    defs::{Definition, NameClass, NameRefClass},
+    RootDatabase,
+};
+use rustc_hash::FxHashMap;
+use syntax::{
+    ast, AstNode, AstToken, NodeOrToken, SyntaxElement,
+    SyntaxKind::{self, *},
+    SyntaxNode, SyntaxToken, T,
+};
+
+use crate::{syntax_highlighting::tags::HlPunct, Highlight, HlMod, HlTag, SymbolKind};
+
+pub(super) fn element(
+    sema: &Semantics<RootDatabase>,
+    bindings_shadow_count: &mut FxHashMap<hir::Name, u32>,
+    syntactic_name_ref_highlighting: bool,
+    element: SyntaxElement,
+) -> Option<(Highlight, Option<u64>)> {
+    let db = sema.db;
+    let mut binding_hash = None;
+    let highlight: Highlight = match element.kind() {
+        FN => {
+            bindings_shadow_count.clear();
+            return None;
+        }
+
+        // Highlight definitions depending on the "type" of the definition.
+        NAME => {
+            let name = element.into_node().and_then(ast::Name::cast).unwrap();
+            let name_kind = NameClass::classify(sema, &name);
+
+            if let Some(NameClass::Definition(Definition::Local(local))) = &name_kind {
+                if let Some(name) = local.name(db) {
+                    let shadow_count = bindings_shadow_count.entry(name.clone()).or_default();
+                    *shadow_count += 1;
+                    binding_hash = Some(calc_binding_hash(&name, *shadow_count))
+                }
+            };
+
+            match name_kind {
+                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 = HlTag::Symbol(SymbolKind::Field).into();
+                    if let Definition::Field(field) = field_ref {
+                        if let VariantDef::Union(_) = field.parent_def(db) {
+                            h |= HlMod::Unsafe;
+                        }
+                    }
+
+                    h
+                }
+                None => highlight_name_by_syntax(name) | HlMod::Definition,
+            }
+        }
+
+        // Highlight references like the definitions they resolve to
+        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(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(_) => HlTag::Symbol(SymbolKind::Module).into(),
+                        NameRefClass::Definition(def) => {
+                            if let Definition::Local(local) = &def {
+                                if let Some(name) = local.name(db) {
+                                    let shadow_count =
+                                        bindings_shadow_count.entry(name.clone()).or_default();
+                                    binding_hash = Some(calc_binding_hash(&name, *shadow_count))
+                                }
+                            };
+
+                            let mut h = highlight_def(db, def);
+
+                            if let Definition::Local(local) = &def {
+                                if is_consumed_lvalue(name_ref.syntax().clone().into(), local, db) {
+                                    h |= HlMod::Consuming;
+                                }
+                            }
+
+                            if let Some(parent) = name_ref.syntax().parent() {
+                                if matches!(parent.kind(), FIELD_EXPR | RECORD_PAT_FIELD) {
+                                    if let Definition::Field(field) = def {
+                                        if let VariantDef::Union(_) = field.parent_def(db) {
+                                            h |= HlMod::Unsafe;
+                                        }
+                                    }
+                                }
+                            }
+
+                            h
+                        }
+                        NameRefClass::FieldShorthand { .. } => {
+                            HlTag::Symbol(SymbolKind::Field).into()
+                        }
+                    },
+                    None if syntactic_name_ref_highlighting => {
+                        highlight_name_ref_by_syntax(name_ref, sema)
+                    }
+                    None => HlTag::UnresolvedReference.into(),
+                }
+            })
+        }
+
+        // Simple token-based highlighting
+        COMMENT => {
+            let comment = element.into_token().and_then(ast::Comment::cast)?;
+            let h = HlTag::Comment;
+            match comment.kind().doc {
+                Some(_) => h | HlMod::Documentation,
+                None => h.into(),
+            }
+        }
+        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) | HlMod::Definition,
+                None => match NameRefClass::classify_lifetime(sema, &lifetime) {
+                    Some(NameRefClass::Definition(def)) => highlight_def(db, def),
+                    _ => Highlight::new(HlTag::Symbol(SymbolKind::LifetimeParam)),
+                },
+                _ => Highlight::new(HlTag::Symbol(SymbolKind::LifetimeParam)) | HlMod::Definition,
+            }
+        }
+        p if p.is_punct() => match p {
+            T![&] => {
+                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 | HlMod::Unsafe
+                } else {
+                    h
+                }
+            }
+            T![::] | T![->] | T![=>] | T![..] | T![=] | T![@] | T![.] => HlTag::Operator.into(),
+            T![!] if element.parent().and_then(ast::MacroCall::cast).is_some() => {
+                HlTag::Symbol(SymbolKind::Macro).into()
+            }
+            T![!] if element.parent().and_then(ast::NeverType::cast).is_some() => {
+                HlTag::BuiltinType.into()
+            }
+            T![*] if element.parent().and_then(ast::PtrType::cast).is_some() => {
+                HlTag::Keyword.into()
+            }
+            T![*] if element.parent().and_then(ast::PrefixExpr::cast).is_some() => {
+                let prefix_expr = element.parent().and_then(ast::PrefixExpr::cast)?;
+
+                let expr = prefix_expr.expr()?;
+                let ty = sema.type_of_expr(&expr)?;
+                if ty.is_raw_ptr() {
+                    HlTag::Operator | HlMod::Unsafe
+                } else if let Some(ast::PrefixOp::Deref) = prefix_expr.op_kind() {
+                    HlTag::Operator.into()
+                } else {
+                    HlTag::Punctuation(HlPunct::Other).into()
+                }
+            }
+            T![-] if element.parent().and_then(ast::PrefixExpr::cast).is_some() => {
+                let prefix_expr = element.parent().and_then(ast::PrefixExpr::cast)?;
+
+                let expr = prefix_expr.expr()?;
+                match expr {
+                    ast::Expr::Literal(_) => HlTag::NumericLiteral,
+                    _ => HlTag::Operator,
+                }
+                .into()
+            }
+            _ if element.parent().and_then(ast::PrefixExpr::cast).is_some() => {
+                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() => {
+                HlTag::Operator.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(),
+            kind => HlTag::Punctuation(match kind {
+                T!['['] | T![']'] => HlPunct::Bracket,
+                T!['{'] | T!['}'] => HlPunct::Brace,
+                T!['('] | T![')'] => HlPunct::Parenthesis,
+                T![<] | T![>] => HlPunct::Angle,
+                T![,] => HlPunct::Comma,
+                T![:] => HlPunct::Colon,
+                T![;] => HlPunct::Semi,
+                T![.] => HlPunct::Dot,
+                _ => HlPunct::Other,
+            })
+            .into(),
+        },
+
+        k if k.is_keyword() => {
+            let h = Highlight::new(HlTag::Keyword);
+            match k {
+                T![break]
+                | T![continue]
+                | T![else]
+                | T![if]
+                | T![loop]
+                | T![match]
+                | T![return]
+                | T![while]
+                | 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()
+                        .and_then(ast::SelfParam::cast)
+                        .and_then(|p| p.mut_token())
+                        .is_some();
+                    let self_path = &element
+                        .parent()
+                        .as_ref()
+                        .and_then(SyntaxNode::parent)
+                        .and_then(ast::Path::cast)
+                        .and_then(|p| sema.resolve_path(&p));
+                    let mut h = HlTag::Symbol(SymbolKind::SelfParam).into();
+                    if self_param_is_mut
+                        || matches!(self_path,
+                            Some(hir::PathResolution::Local(local))
+                                if local.is_self(db)
+                                    && (local.is_mut(db) || local.ty(db).is_mutable_reference())
+                        )
+                    {
+                        h |= HlMod::Mutable
+                    }
+
+                    if let Some(hir::PathResolution::Local(local)) = self_path {
+                        if is_consumed_lvalue(element, &local, db) {
+                            h |= HlMod::Consuming;
+                        }
+                    }
+
+                    h
+                }
+                T![ref] => element
+                    .parent()
+                    .and_then(ast::IdentPat::cast)
+                    .and_then(|ident_pat| {
+                        if sema.is_unsafe_ident_pat(&ident_pat) {
+                            Some(HlMod::Unsafe)
+                        } else {
+                            None
+                        }
+                    })
+                    .map(|modifier| h | modifier)
+                    .unwrap_or(h),
+                _ => h,
+            }
+        }
+
+        _ => return None,
+    };
+
+    return Some((highlight, binding_hash));
+
+    fn calc_binding_hash(name: &hir::Name, shadow_count: u32) -> u64 {
+        fn hash<T: std::hash::Hash + std::fmt::Debug>(x: T) -> u64 {
+            use std::{collections::hash_map::DefaultHasher, hash::Hasher};
+
+            let mut hasher = DefaultHasher::new();
+            x.hash(&mut hasher);
+            hasher.finish()
+        }
+
+        hash((name, shadow_count))
+    }
+}
+
+fn highlight_def(db: &RootDatabase, def: Definition) -> Highlight {
+    match def {
+        Definition::Macro(_) => HlTag::Symbol(SymbolKind::Macro),
+        Definition::Field(_) => HlTag::Symbol(SymbolKind::Field),
+        Definition::ModuleDef(def) => match def {
+            hir::ModuleDef::Module(_) => HlTag::Symbol(SymbolKind::Module),
+            hir::ModuleDef::Function(func) => {
+                let mut h = Highlight::new(HlTag::Symbol(SymbolKind::Function));
+                if func.as_assoc_item(db).is_some() {
+                    h |= HlMod::Associated;
+                    if func.self_param(db).is_none() {
+                        h |= HlMod::Static
+                    }
+                }
+                if func.is_unsafe(db) {
+                    h |= HlMod::Unsafe;
+                }
+                return h;
+            }
+            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(HlTag::Symbol(SymbolKind::Const));
+                if konst.as_assoc_item(db).is_some() {
+                    h |= HlMod::Associated
+                }
+                return h;
+            }
+            hir::ModuleDef::Trait(_) => HlTag::Symbol(SymbolKind::Trait),
+            hir::ModuleDef::TypeAlias(type_) => {
+                let mut h = Highlight::new(HlTag::Symbol(SymbolKind::TypeAlias));
+                if type_.as_assoc_item(db).is_some() {
+                    h |= HlMod::Associated
+                }
+                return h;
+            }
+            hir::ModuleDef::BuiltinType(_) => HlTag::BuiltinType,
+            hir::ModuleDef::Static(s) => {
+                let mut h = Highlight::new(HlTag::Symbol(SymbolKind::Static));
+                if s.is_mut(db) {
+                    h |= HlMod::Mutable;
+                    h |= HlMod::Unsafe;
+                }
+                return h;
+            }
+        },
+        Definition::SelfType(_) => HlTag::Symbol(SymbolKind::Impl),
+        Definition::GenericParam(it) => match it {
+            hir::GenericParam::TypeParam(_) => HlTag::Symbol(SymbolKind::TypeParam),
+            hir::GenericParam::ConstParam(_) => HlTag::Symbol(SymbolKind::ConstParam),
+            hir::GenericParam::LifetimeParam(_) => HlTag::Symbol(SymbolKind::LifetimeParam),
+        },
+        Definition::Local(local) => {
+            let tag = if local.is_param(db) {
+                HlTag::Symbol(SymbolKind::ValueParam)
+            } else {
+                HlTag::Symbol(SymbolKind::Local)
+            };
+            let mut h = Highlight::new(tag);
+            if local.is_mut(db) || local.ty(db).is_mutable_reference() {
+                h |= HlMod::Mutable;
+            }
+            if local.ty(db).as_callable(db).is_some() || local.ty(db).impls_fnonce(db) {
+                h |= HlMod::Callable;
+            }
+            return h;
+        }
+        Definition::Label(_) => HlTag::Symbol(SymbolKind::Label),
+    }
+    .into()
+}
+
+fn highlight_func_by_name_ref(
+    sema: &Semantics<RootDatabase>,
+    name_ref: &ast::NameRef,
+) -> Option<Highlight> {
+    let mc = name_ref.syntax().parent().and_then(ast::MethodCallExpr::cast)?;
+    highlight_method_call(sema, &mc)
+}
+
+fn highlight_method_call(
+    sema: &Semantics<RootDatabase>,
+    method_call: &ast::MethodCallExpr,
+) -> Option<Highlight> {
+    let func = sema.resolve_method_call(&method_call)?;
+    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 |= 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 |= 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 |= HlMod::Consuming
+                    }
+                }
+            }
+        }
+    }
+    Some(h)
+}
+
+fn highlight_name_by_syntax(name: ast::Name) -> Highlight {
+    let default = HlTag::UnresolvedReference;
+
+    let parent = match name.syntax().parent() {
+        Some(it) => it,
+        _ => return default.into(),
+    };
+
+    let tag = match parent.kind() {
+        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,
+    };
+
+    tag.into()
+}
+
+fn highlight_name_ref_by_syntax(name: ast::NameRef, sema: &Semantics<RootDatabase>) -> Highlight {
+    let default = HlTag::UnresolvedReference;
+
+    let parent = match name.syntax().parent() {
+        Some(it) => it,
+        _ => return default.into(),
+    };
+
+    match parent.kind() {
+        METHOD_CALL_EXPR => {
+            return ast::MethodCallExpr::cast(parent)
+                .and_then(|it| highlight_method_call(sema, &it))
+                .unwrap_or_else(|| HlTag::Symbol(SymbolKind::Function).into());
+        }
+        FIELD_EXPR => {
+            let h = HlTag::Symbol(SymbolKind::Field);
+            let is_union = ast::FieldExpr::cast(parent)
+                .and_then(|field_expr| {
+                    let field = sema.resolve_field(&field_expr)?;
+                    Some(if let VariantDef::Union(_) = field.parent_def(sema.db) {
+                        true
+                    } else {
+                        false
+                    })
+                })
+                .unwrap_or(false);
+            if is_union {
+                h | HlMod::Unsafe
+            } else {
+                h.into()
+            }
+        }
+        PATH_SEGMENT => {
+            let path = match parent.parent().and_then(ast::Path::cast) {
+                Some(it) => it,
+                _ => return default.into(),
+            };
+            let expr = match path.syntax().parent().and_then(ast::PathExpr::cast) {
+                Some(it) => it,
+                _ => {
+                    // 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() {
+                        HlTag::Symbol(SymbolKind::Struct)
+                    } else {
+                        HlTag::Symbol(SymbolKind::Module)
+                    }
+                    .into();
+                }
+            };
+            let parent = match expr.syntax().parent() {
+                Some(it) => it,
+                None => return default.into(),
+            };
+
+            match parent.kind() {
+                CALL_EXPR => HlTag::Symbol(SymbolKind::Function).into(),
+                _ => if name.text().chars().next().unwrap_or_default().is_uppercase() {
+                    HlTag::Symbol(SymbolKind::Struct)
+                } else {
+                    HlTag::Symbol(SymbolKind::Const)
+                }
+                .into(),
+            }
+        }
+        _ => default.into(),
+    }
+}
+
+fn is_consumed_lvalue(
+    node: NodeOrToken<SyntaxNode, SyntaxToken>,
+    local: &hir::Local,
+    db: &RootDatabase,
+) -> bool {
+    // When lvalues are passed as arguments and they're not Copy, then mark them as Consuming.
+    parents_match(node, &[PATH_SEGMENT, PATH, PATH_EXPR, ARG_LIST]) && !local.ty(db).is_copy(db)
+}
+
+/// Returns true if the parent nodes of `node` all match the `SyntaxKind`s in `kinds` exactly.
+fn parents_match(mut node: NodeOrToken<SyntaxNode, SyntaxToken>, mut kinds: &[SyntaxKind]) -> bool {
+    while let (Some(parent), [kind, rest @ ..]) = (&node.parent(), kinds) {
+        if parent.kind() != *kind {
+            return false;
+        }
+
+        // FIXME: Would be nice to get parent out of the match, but binding by-move and by-value
+        // in the same pattern is unstable: rust-lang/rust#68354.
+        node = node.parent().unwrap().into();
+        kinds = rest;
+    }
+
+    // Only true if we matched all expected kinds
+    kinds.len() == 0
+}
+
+fn is_child_of_impl(element: &SyntaxElement) -> bool {
+    match element.parent() {
+        Some(e) => e.kind() == IMPL,
+        _ => false,
+    }
+}
diff --git a/crates/ide/src/syntax_highlighting/highlights.rs b/crates/ide/src/syntax_highlighting/highlights.rs
new file mode 100644
index 000000000..c6f0417ec
--- /dev/null
+++ b/crates/ide/src/syntax_highlighting/highlights.rs
@@ -0,0 +1,102 @@
+//! Collects a tree of highlighted ranges and flattens it.
+use std::{cmp::Ordering, iter};
+
+use stdx::equal_range_by;
+use syntax::TextRange;
+
+use crate::{HlRange, HlTag};
+
+pub(super) struct Highlights {
+    root: Node,
+}
+
+struct Node {
+    hl_range: HlRange,
+    nested: Vec<Node>,
+}
+
+impl Highlights {
+    pub(super) fn new(range: TextRange) -> Highlights {
+        Highlights {
+            root: Node::new(HlRange { range, highlight: HlTag::None.into(), binding_hash: None }),
+        }
+    }
+
+    pub(super) fn add(&mut self, hl_range: HlRange) {
+        self.root.add(hl_range);
+    }
+
+    pub(super) fn to_vec(self) -> Vec<HlRange> {
+        let mut res = Vec::new();
+        self.root.flatten(&mut res);
+        res
+    }
+}
+
+impl Node {
+    fn new(hl_range: HlRange) -> Node {
+        Node { hl_range, nested: Vec::new() }
+    }
+
+    fn add(&mut self, hl_range: HlRange) {
+        assert!(self.hl_range.range.contains_range(hl_range.range));
+
+        // Fast path
+        if let Some(last) = self.nested.last_mut() {
+            if last.hl_range.range.contains_range(hl_range.range) {
+                return last.add(hl_range);
+            }
+            if last.hl_range.range.end() <= hl_range.range.start() {
+                return self.nested.push(Node::new(hl_range));
+            }
+        }
+
+        let overlapping =
+            equal_range_by(&self.nested, |n| ordering(n.hl_range.range, hl_range.range));
+
+        if overlapping.len() == 1
+            && self.nested[overlapping.start].hl_range.range.contains_range(hl_range.range)
+        {
+            return self.nested[overlapping.start].add(hl_range);
+        }
+
+        let nested = self
+            .nested
+            .splice(overlapping.clone(), iter::once(Node::new(hl_range)))
+            .collect::<Vec<_>>();
+        self.nested[overlapping.start].nested = nested;
+    }
+
+    fn flatten(&self, acc: &mut Vec<HlRange>) {
+        let mut start = self.hl_range.range.start();
+        let mut nested = self.nested.iter();
+        loop {
+            let next = nested.next();
+            let end = next.map_or(self.hl_range.range.end(), |it| it.hl_range.range.start());
+            if start < end {
+                acc.push(HlRange {
+                    range: TextRange::new(start, end),
+                    highlight: self.hl_range.highlight,
+                    binding_hash: self.hl_range.binding_hash,
+                });
+            }
+            start = match next {
+                Some(child) => {
+                    child.flatten(acc);
+                    child.hl_range.range.end()
+                }
+                None => break,
+            }
+        }
+    }
+}
+
+pub(super) fn ordering(r1: TextRange, r2: TextRange) -> Ordering {
+    if r1.end() <= r2.start() {
+        Ordering::Less
+    } else if r2.end() <= r1.start() {
+        Ordering::Greater
+    } else {
+        Ordering::Equal
+    }
+}
diff --git a/crates/ide/src/syntax_highlighting/html.rs b/crates/ide/src/syntax_highlighting/html.rs
index 99ba3a59d..0ee7bc96e 100644
--- a/crates/ide/src/syntax_highlighting/html.rs
+++ b/crates/ide/src/syntax_highlighting/html.rs
@@ -3,7 +3,7 @@
 use ide_db::base_db::SourceDatabase;
 use oorandom::Rand32;
 use stdx::format_to;
-use syntax::{AstNode, TextRange, TextSize};
+use syntax::AstNode;
 
 use crate::{syntax_highlighting::highlight, FileId, RootDatabase};
 
@@ -20,35 +20,27 @@ pub(crate) fn highlight_as_html(db: &RootDatabase, file_id: FileId, rainbow: boo
         )
     }
 
-    let ranges = highlight(db, file_id, None, false);
+    let hl_ranges = highlight(db, file_id, None, false);
     let text = parse.tree().syntax().to_string();
-    let mut prev_pos = TextSize::from(0);
     let mut buf = String::new();
     buf.push_str(&STYLE);
     buf.push_str("<pre><code>");
-    for range in &ranges {
-        if range.range.start() > prev_pos {
-            let curr = &text[TextRange::new(prev_pos, range.range.start())];
-            let text = html_escape(curr);
-            buf.push_str(&text);
+    for r in &hl_ranges {
+        let chunk = html_escape(&text[r.range]);
+        if r.highlight.is_empty() {
+            format_to!(buf, "{}", chunk);
+            continue;
         }
-        let curr = &text[TextRange::new(range.range.start(), range.range.end())];
 
-        let class = range.highlight.to_string().replace('.', " ");
-        let color = match (rainbow, range.binding_hash) {
+        let class = r.highlight.to_string().replace('.', " ");
+        let color = match (rainbow, r.binding_hash) {
             (true, Some(hash)) => {
                 format!(" data-binding-hash=\"{}\" style=\"color: {};\"", hash, rainbowify(hash))
             }
             _ => "".into(),
         };
-        format_to!(buf, "<span class=\"{}\"{}>{}</span>", class, color, html_escape(curr));
-
-        prev_pos = range.range.end();
+        format_to!(buf, "<span class=\"{}\"{}>{}</span>", class, color, chunk);
     }
-    // Add the remaining (non-highlighted) text
-    let curr = &text[TextRange::new(prev_pos, TextSize::of(&text))];
-    let text = html_escape(curr);
-    buf.push_str(&text);
     buf.push_str("</code></pre>");
     buf
 }
diff --git a/crates/ide/src/syntax_highlighting/inject.rs b/crates/ide/src/syntax_highlighting/inject.rs
new file mode 100644
index 000000000..281461493
--- /dev/null
+++ b/crates/ide/src/syntax_highlighting/inject.rs
@@ -0,0 +1,158 @@
+//! "Recursive" Syntax highlighting for code in doctests and fixtures.
+
+use hir::Semantics;
+use ide_db::call_info::ActiveParameter;
+use syntax::{ast, AstToken, SyntaxNode, SyntaxToken, TextRange, TextSize};
+
+use crate::{Analysis, HlMod, HlRange, HlTag, RootDatabase};
+
+use super::{highlights::Highlights, injector::Injector};
+
+pub(super) fn ra_fixture(
+    hl: &mut Highlights,
+    sema: &Semantics<RootDatabase>,
+    literal: ast::String,
+    expanded: SyntaxToken,
+) -> Option<()> {
+    let active_parameter = ActiveParameter::at_token(&sema, expanded)?;
+    if !active_parameter.name.starts_with("ra_fixture") {
+        return None;
+    }
+    let value = literal.value()?;
+
+    if let Some(range) = literal.open_quote_text_range() {
+        hl.add(HlRange { range, highlight: HlTag::StringLiteral.into(), binding_hash: None })
+    }
+
+    let mut inj = Injector::default();
+
+    let mut text = &*value;
+    let mut offset: TextSize = 0.into();
+
+    while !text.is_empty() {
+        let marker = "$0";
+        let idx = text.find(marker).unwrap_or(text.len());
+        let (chunk, next) = text.split_at(idx);
+        inj.add(chunk, TextRange::at(offset, TextSize::of(chunk)));
+
+        text = next;
+        offset += TextSize::of(chunk);
+
+        if let Some(next) = text.strip_prefix(marker) {
+            if let Some(range) = literal.map_range_up(TextRange::at(offset, TextSize::of(marker))) {
+                hl.add(HlRange { range, highlight: HlTag::Keyword.into(), binding_hash: None });
+            }
+
+            text = next;
+
+            let marker_len = TextSize::of(marker);
+            offset += marker_len;
+        }
+    }
+
+    let (analysis, tmp_file_id) = Analysis::from_single_file(inj.text().to_string());
+
+    for mut hl_range in analysis.highlight(tmp_file_id).unwrap() {
+        for range in inj.map_range_up(hl_range.range) {
+            if let Some(range) = literal.map_range_up(range) {
+                hl_range.range = range;
+                hl.add(hl_range.clone());
+            }
+        }
+    }
+
+    if let Some(range) = literal.close_quote_text_range() {
+        hl.add(HlRange { range, highlight: HlTag::StringLiteral.into(), binding_hash: None })
+    }
+
+    Some(())
+}
+
+const RUSTDOC_FENCE: &'static str = "```";
+const RUSTDOC_FENCE_TOKENS: &[&'static str] = &[
+    "",
+    "rust",
+    "should_panic",
+    "ignore",
+    "no_run",
+    "compile_fail",
+    "edition2015",
+    "edition2018",
+    "edition2021",
+];
+
+/// Injection of syntax highlighting of doctests.
+pub(super) fn doc_comment(hl: &mut Highlights, node: &SyntaxNode) {
+    let doc_comments = node
+        .children_with_tokens()
+        .filter_map(|it| it.into_token().and_then(ast::Comment::cast))
+        .filter(|it| it.kind().doc.is_some());
+
+    if !doc_comments.clone().any(|it| it.text().contains(RUSTDOC_FENCE)) {
+        return;
+    }
+
+    let mut inj = Injector::default();
+    inj.add_unmapped("fn doctest() {\n");
+
+    let mut is_codeblock = false;
+    let mut is_doctest = false;
+
+    // Replace the original, line-spanning comment ranges by new, only comment-prefix
+    // spanning comment ranges.
+    let mut new_comments = Vec::new();
+    for comment in doc_comments {
+        match comment.text().find(RUSTDOC_FENCE) {
+            Some(idx) => {
+                is_codeblock = !is_codeblock;
+                // Check whether code is rust by inspecting fence guards
+                let guards = &comment.text()[idx + RUSTDOC_FENCE.len()..];
+                let is_rust =
+                    guards.split(',').all(|sub| RUSTDOC_FENCE_TOKENS.contains(&sub.trim()));
+                is_doctest = is_codeblock && is_rust;
+                continue;
+            }
+            None if !is_doctest => continue,
+            None => (),
+        }
+
+        let line: &str = comment.text().as_str();
+        let range = comment.syntax().text_range();
+
+        let mut pos = TextSize::of(comment.prefix());
+        // whitespace after comment is ignored
+        if let Some(ws) = line[pos.into()..].chars().next().filter(|c| c.is_whitespace()) {
+            pos += TextSize::of(ws);
+        }
+        // lines marked with `#` should be ignored in output, we skip the `#` char
+        if let Some(ws) = line[pos.into()..].chars().next().filter(|&c| c == '#') {
+            pos += TextSize::of(ws);
+        }
+
+        new_comments.push(TextRange::at(range.start(), pos));
+
+        inj.add(&line[pos.into()..], TextRange::new(range.start() + pos, range.end()));
+        inj.add_unmapped("\n");
+    }
+    inj.add_unmapped("\n}");
+
+    let (analysis, tmp_file_id) = Analysis::from_single_file(inj.text().to_string());
+
+    for h in analysis.with_db(|db| super::highlight(db, tmp_file_id, None, true)).unwrap() {
+        for r in inj.map_range_up(h.range) {
+            hl.add(HlRange {
+                range: r,
+                highlight: h.highlight | HlMod::Injected,
+                binding_hash: h.binding_hash,
+            });
+        }
+    }
+
+    for range in new_comments {
+        hl.add(HlRange {
+            range,
+            highlight: HlTag::Comment | HlMod::Documentation,
+            binding_hash: None,
+        });
+    }
+}
diff --git a/crates/ide/src/syntax_highlighting/injection.rs b/crates/ide/src/syntax_highlighting/injection.rs
deleted file mode 100644
index d6be9708d..000000000
--- a/crates/ide/src/syntax_highlighting/injection.rs
+++ /dev/null
@@ -1,240 +0,0 @@
-//! Syntax highlighting injections such as highlighting of documentation tests.
-
-use std::{collections::BTreeMap, convert::TryFrom};
-
-use hir::Semantics;
-use ide_db::call_info::ActiveParameter;
-use itertools::Itertools;
-use syntax::{ast, AstToken, SyntaxNode, SyntaxToken, TextRange, TextSize};
-
-use crate::{Analysis, Highlight, HighlightModifier, HighlightTag, HighlightedRange, RootDatabase};
-
-use super::HighlightedRangeStack;
-
-pub(super) fn highlight_injection(
-    acc: &mut HighlightedRangeStack,
-    sema: &Semantics<RootDatabase>,
-    literal: ast::String,
-    expanded: SyntaxToken,
-) -> Option<()> {
-    let active_parameter = ActiveParameter::at_token(&sema, expanded)?;
-    if !active_parameter.name.starts_with("ra_fixture") {
-        return None;
-    }
-    let value = literal.value()?;
-    let marker_info = MarkerInfo::new(&*value);
-    let (analysis, tmp_file_id) = Analysis::from_single_file(marker_info.cleaned_text.clone());
-
-    if let Some(range) = literal.open_quote_text_range() {
-        acc.add(HighlightedRange {
-            range,
-            highlight: HighlightTag::StringLiteral.into(),
-            binding_hash: None,
-        })
-    }
-
-    for mut h in analysis.highlight(tmp_file_id).unwrap() {
-        let range = marker_info.map_range_up(h.range);
-        if let Some(range) = literal.map_range_up(range) {
-            h.range = range;
-            acc.add(h);
-        }
-    }
-
-    if let Some(range) = literal.close_quote_text_range() {
-        acc.add(HighlightedRange {
-            range,
-            highlight: HighlightTag::StringLiteral.into(),
-            binding_hash: None,
-        })
-    }
-
-    Some(())
-}
-
-/// Data to remove `$0` from string and map ranges
-#[derive(Default, Debug)]
-struct MarkerInfo {
-    cleaned_text: String,
-    markers: Vec<TextRange>,
-}
-
-impl MarkerInfo {
-    fn new(mut text: &str) -> Self {
-        let marker = "$0";
-
-        let mut res = MarkerInfo::default();
-        let mut offset: TextSize = 0.into();
-        while !text.is_empty() {
-            let idx = text.find(marker).unwrap_or(text.len());
-            let (chunk, next) = text.split_at(idx);
-            text = next;
-            res.cleaned_text.push_str(chunk);
-            offset += TextSize::of(chunk);
-
-            if let Some(next) = text.strip_prefix(marker) {
-                text = next;
-
-                let marker_len = TextSize::of(marker);
-                res.markers.push(TextRange::at(offset, marker_len));
-                offset += marker_len;
-            }
-        }
-        res
-    }
-    fn map_range_up(&self, range: TextRange) -> TextRange {
-        TextRange::new(
-            self.map_offset_up(range.start(), true),
-            self.map_offset_up(range.end(), false),
-        )
-    }
-    fn map_offset_up(&self, mut offset: TextSize, start: bool) -> TextSize {
-        for r in &self.markers {
-            if r.start() < offset || (start && r.start() == offset) {
-                offset += r.len()
-            }
-        }
-        offset
-    }
-}
-
-/// Mapping from extracted documentation code to original code
-type RangesMap = BTreeMap<TextSize, TextSize>;
-
-const RUSTDOC_FENCE: &'static str = "```";
-const RUSTDOC_FENCE_TOKENS: &[&'static str] = &[
-    "",
-    "rust",
-    "should_panic",
-    "ignore",
-    "no_run",
-    "compile_fail",
-    "edition2015",
-    "edition2018",
-    "edition2021",
-];
-
-/// Extracts Rust code from documentation comments as well as a mapping from
-/// the extracted source code back to the original source ranges.
-/// Lastly, a vector of new comment highlight ranges (spanning only the
-/// comment prefix) is returned which is used in the syntax highlighting
-/// injection to replace the previous (line-spanning) comment ranges.
-pub(super) fn extract_doc_comments(
-    node: &SyntaxNode,
-) -> Option<(String, RangesMap, Vec<HighlightedRange>)> {
-    // wrap the doctest into function body to get correct syntax highlighting
-    let prefix = "fn doctest() {\n";
-    let suffix = "}\n";
-    // Mapping from extracted documentation code to original code
-    let mut range_mapping: RangesMap = BTreeMap::new();
-    let mut line_start = TextSize::try_from(prefix.len()).unwrap();
-    let mut is_codeblock = false;
-    let mut is_doctest = false;
-    // Replace the original, line-spanning comment ranges by new, only comment-prefix
-    // spanning comment ranges.
-    let mut new_comments = Vec::new();
-    let doctest = node
-        .children_with_tokens()
-        .filter_map(|el| el.into_token().and_then(ast::Comment::cast))
-        .filter(|comment| comment.kind().doc.is_some())
-        .filter(|comment| {
-            if let Some(idx) = comment.text().find(RUSTDOC_FENCE) {
-                is_codeblock = !is_codeblock;
-                // Check whether code is rust by inspecting fence guards
-                let guards = &comment.text()[idx + RUSTDOC_FENCE.len()..];
-                let is_rust =
-                    guards.split(',').all(|sub| RUSTDOC_FENCE_TOKENS.contains(&sub.trim()));
-                is_doctest = is_codeblock && is_rust;
-                false
-            } else {
-                is_doctest
-            }
-        })
-        .map(|comment| {
-            let prefix_len = comment.prefix().len();
-            let line: &str = comment.text().as_str();
-            let range = comment.syntax().text_range();
-
-            // whitespace after comment is ignored
-            let pos = if let Some(ws) = line.chars().nth(prefix_len).filter(|c| c.is_whitespace()) {
-                prefix_len + ws.len_utf8()
-            } else {
-                prefix_len
-            };
-
-            // lines marked with `#` should be ignored in output, we skip the `#` char
-            let pos = if let Some(ws) = line.chars().nth(pos).filter(|&c| c == '#') {
-                pos + ws.len_utf8()
-            } else {
-                pos
-            };
-
-            range_mapping.insert(line_start, range.start() + TextSize::try_from(pos).unwrap());
-            new_comments.push(HighlightedRange {
-                range: TextRange::new(
-                    range.start(),
-                    range.start() + TextSize::try_from(pos).unwrap(),
-                ),
-                highlight: HighlightTag::Comment | HighlightModifier::Documentation,
-                binding_hash: None,
-            });
-            line_start += range.len() - TextSize::try_from(pos).unwrap();
-            line_start += TextSize::try_from('\n'.len_utf8()).unwrap();
-
-            line[pos..].to_owned()
-        })
-        .join("\n");
-
-    if doctest.is_empty() {
-        return None;
-    }
-
-    let doctest = format!("{}{}{}", prefix, doctest, suffix);
-    Some((doctest, range_mapping, new_comments))
-}
-
-/// Injection of syntax highlighting of doctests.
-pub(super) fn highlight_doc_comment(
-    text: String,
-    range_mapping: RangesMap,
-    new_comments: Vec<HighlightedRange>,
-    stack: &mut HighlightedRangeStack,
-) {
-    let (analysis, tmp_file_id) = Analysis::from_single_file(text);
-
-    stack.push();
-    for mut h in analysis.with_db(|db| super::highlight(db, tmp_file_id, None, true)).unwrap() {
-        // Determine start offset and end offset in case of multi-line ranges
-        let mut start_offset = None;
-        let mut end_offset = None;
-        for (line_start, orig_line_start) in range_mapping.range(..h.range.end()).rev() {
-            // It's possible for orig_line_start - line_start to be negative. Add h.range.start()
-            // here and remove it from the end range after the loop below so that the values are
-            // always non-negative.
-            let offset = h.range.start() + orig_line_start - line_start;
-            if line_start <= &h.range.start() {
-                start_offset.get_or_insert(offset);
-                break;
-            } else {
-                end_offset.get_or_insert(offset);
-            }
-        }
-        if let Some(start_offset) = start_offset {
-            h.range = TextRange::new(
-                start_offset,
-                h.range.end() + end_offset.unwrap_or(start_offset) - h.range.start(),
-            );
-
-            h.highlight |= HighlightModifier::Injected;
-            stack.add(h);
-        }
-    }
-
-    // Inject the comment prefix highlight ranges
-    stack.push();
-    for comment in new_comments {
-        stack.add(comment);
-    }
-    stack.pop_and_inject(None);
-    stack.pop_and_inject(Some(Highlight::from(HighlightTag::Dummy) | HighlightModifier::Injected));
-}
diff --git a/crates/ide/src/syntax_highlighting/injector.rs b/crates/ide/src/syntax_highlighting/injector.rs
new file mode 100644
index 000000000..fd4025694
--- /dev/null
+++ b/crates/ide/src/syntax_highlighting/injector.rs
@@ -0,0 +1,80 @@
+//! Extracts a subsequence of a text document, remembering the mapping of ranges
+//! between original and extracted texts.
+use std::ops::{self, Sub};
+
+use stdx::equal_range_by;
+use syntax::{TextRange, TextSize};
+
+use super::highlights::ordering;
+
+#[derive(Default)]
+pub(super) struct Injector {
+    buf: String,
+    ranges: Vec<(TextRange, Option<Delta<TextSize>>)>,
+}
+
+impl Injector {
+    pub(super) fn add(&mut self, text: &str, source_range: TextRange) {
+        let len = TextSize::of(text);
+        assert_eq!(len, source_range.len());
+        self.add_impl(text, Some(source_range.start()));
+    }
+    pub(super) fn add_unmapped(&mut self, text: &str) {
+        self.add_impl(text, None);
+    }
+    fn add_impl(&mut self, text: &str, source: Option<TextSize>) {
+        let len = TextSize::of(text);
+        let target_range = TextRange::at(TextSize::of(&self.buf), len);
+        self.ranges.push((target_range, source.map(|it| Delta::new(target_range.start(), it))));
+        self.buf.push_str(text);
+    }
+
+    pub(super) fn text(&self) -> &str {
+        &self.buf
+    }
+    pub(super) fn map_range_up(&self, range: TextRange) -> impl Iterator<Item = TextRange> + '_ {
+        equal_range_by(&self.ranges, |&(r, _)| ordering(r, range)).filter_map(move |i| {
+            let (target_range, delta) = self.ranges[i];
+            let intersection = target_range.intersect(range).unwrap();
+            Some(intersection + delta?)
+        })
+    }
+}
+
+#[derive(Clone, Copy)]
+enum Delta<T> {
+    Add(T),
+    Sub(T),
+}
+
+impl<T> Delta<T> {
+    fn new(from: T, to: T) -> Delta<T>
+    where
+        T: Ord + Sub<Output = T>,
+    {
+        if to >= from {
+            Delta::Add(to - from)
+        } else {
+            Delta::Sub(from - to)
+        }
+    }
+}
+
+impl ops::Add<Delta<TextSize>> for TextSize {
+    type Output = TextSize;
+
+    fn add(self, rhs: Delta<TextSize>) -> TextSize {
+        match rhs {
+            Delta::Add(it) => self + it,
+            Delta::Sub(it) => self - it,
+        }
+    }
+}
+
+impl ops::Add<Delta<TextSize>> for TextRange {
+    type Output = TextRange;
+
+    fn add(self, rhs: Delta<TextSize>) -> TextRange {
+        TextRange::at(self.start() + rhs, self.len())
+    }
+}
diff --git a/crates/ide/src/syntax_highlighting/macro_rules.rs b/crates/ide/src/syntax_highlighting/macro_rules.rs
index 4462af47e..44620e912 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::{HlRange, HlTag};
 
 #[derive(Default)]
 pub(super) struct MacroRulesHighlighter {
@@ -19,13 +19,13 @@ impl MacroRulesHighlighter {
         }
     }
 
-    pub(super) fn highlight(&self, element: SyntaxElement) -> Option<HighlightedRange> {
+    pub(super) fn highlight(&self, element: SyntaxElement) -> Option<HlRange> {
         if let Some(state) = self.state.as_ref() {
             if matches!(state.rule_state, RuleState::Matcher | RuleState::Expander) {
                 if let Some(range) = is_metavariable(element) {
-                    return Some(HighlightedRange {
+                    return Some(HlRange {
                         range,
-                        highlight: HighlightTag::UnresolvedReference.into(),
+                        highlight: HlTag::UnresolvedReference.into(),
                         binding_hash: None,
                     });
                 }
@@ -119,7 +119,7 @@ fn is_metavariable(element: SyntaxElement) -> Option<TextRange> {
     let tok = element.as_token()?;
     match tok.kind() {
         kind if kind == SyntaxKind::IDENT || kind.is_keyword() => {
-            if let Some(_dollar) = tok.prev_token().filter(|t| t.kind() == SyntaxKind::DOLLAR) {
+            if let Some(_dollar) = tok.prev_token().filter(|t| t.kind() == T![$]) {
                 return Some(tok.text_range());
             }
         }
diff --git a/crates/ide/src/syntax_highlighting/tags.rs b/crates/ide/src/syntax_highlighting/tags.rs
index 8b8867079..8dd05ac52 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,
@@ -29,17 +29,17 @@ pub enum HighlightTag {
     EscapeSequence,
     FormatSpecifier,
     Keyword,
-    Punctuation,
+    Punctuation(HlPunct),
     Operator,
     UnresolvedReference,
 
-    // For things which don't have proper Tag, but want to use modifiers.
-    Dummy,
+    // For things which don't have a specific highlight.
+    None,
 }
 
 #[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 +61,32 @@ pub enum HighlightModifier {
     Unsafe,
 }
 
-impl HighlightTag {
+#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord)]
+pub enum HlPunct {
+    /// []
+    Bracket,
+    /// {}
+    Brace,
+    /// ()
+    Parenthesis,
+    /// <>
+    Angle,
+    /// ,
+    Comma,
+    /// .
+    Dot,
+    /// :
+    Colon,
+    /// ;
+    Semi,
+    ///
+    Other,
+}
+
+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 +108,69 @@ 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::Dummy => "dummy",
-            HighlightTag::Keyword => "keyword",
-            HighlightTag::Punctuation => "punctuation",
-            HighlightTag::NumericLiteral => "numeric_literal",
-            HighlightTag::Operator => "operator",
-            HighlightTag::StringLiteral => "string_literal",
-            HighlightTag::UnresolvedReference => "unresolved_reference",
+            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(punct) => match punct {
+                HlPunct::Bracket => "bracket",
+                HlPunct::Brace => "brace",
+                HlPunct::Parenthesis => "parenthesis",
+                HlPunct::Angle => "angle",
+                HlPunct::Comma => "comma",
+                HlPunct::Dot => "dot",
+                HlPunct::Colon => "colon",
+                HlPunct::Semi => "semicolon",
+                HlPunct::Other => "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 +179,7 @@ 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)
     }
@@ -156,60 +188,63 @@ 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 == 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/ide/src/syntax_highlighting/test_data/highlight_assoc_functions.html b/crates/ide/src/syntax_highlighting/test_data/highlight_assoc_functions.html
index 506ebe60e..e36e6fc3f 100644
--- a/crates/ide/src/syntax_highlighting/test_data/highlight_assoc_functions.html
+++ b/crates/ide/src/syntax_highlighting/test_data/highlight_assoc_functions.html
@@ -36,22 +36,22 @@ pre                 { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
 
 .unresolved_reference { color: #FC5555; text-decoration: wavy underline; }
 </style>
-<pre><code><span class="keyword">fn</span> <span class="function declaration">not_static</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span><span class="punctuation">}</span>
+<pre><code><span class="keyword">fn</span> <span class="function declaration">not_static</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
 
-<span class="keyword">struct</span> <span class="struct declaration">foo</span> <span class="punctuation">{</span><span class="punctuation">}</span>
+<span class="keyword">struct</span> <span class="struct declaration">foo</span> <span class="brace">{</span><span class="brace">}</span>
 
-<span class="keyword">impl</span> <span class="struct">foo</span> <span class="punctuation">{</span>
-    <span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function declaration static associated">is_static</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span><span class="punctuation">}</span>
-    <span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function declaration associated">is_not_static</span><span class="punctuation">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="punctuation">)</span> <span class="punctuation">{</span><span class="punctuation">}</span>
-<span class="punctuation">}</span>
+<span class="keyword">impl</span> <span class="struct">foo</span> <span class="brace">{</span>
+    <span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function declaration static associated">is_static</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
+    <span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function declaration associated">is_not_static</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
+<span class="brace">}</span>
 
-<span class="keyword">trait</span> <span class="trait declaration">t</span> <span class="punctuation">{</span>
-    <span class="keyword">fn</span> <span class="function declaration static associated">t_is_static</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span><span class="punctuation">}</span>
-    <span class="keyword">fn</span> <span class="function declaration associated">t_is_not_static</span><span class="punctuation">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="punctuation">)</span> <span class="punctuation">{</span><span class="punctuation">}</span>
-<span class="punctuation">}</span>
+<span class="keyword">trait</span> <span class="trait declaration">t</span> <span class="brace">{</span>
+    <span class="keyword">fn</span> <span class="function declaration static associated">t_is_static</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
+    <span class="keyword">fn</span> <span class="function declaration associated">t_is_not_static</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
+<span class="brace">}</span>
 
-<span class="keyword">impl</span> <span class="trait">t</span> <span class="keyword">for</span> <span class="struct">foo</span> <span class="punctuation">{</span>
-    <span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function declaration static associated">is_static</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span><span class="punctuation">}</span>
-    <span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function declaration associated">is_not_static</span><span class="punctuation">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="punctuation">)</span> <span class="punctuation">{</span><span class="punctuation">}</span>
-<span class="punctuation">}</span>
+<span class="keyword">impl</span> <span class="trait">t</span> <span class="keyword">for</span> <span class="struct">foo</span> <span class="brace">{</span>
+    <span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function declaration static associated">is_static</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
+    <span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function declaration associated">is_not_static</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
+<span class="brace">}</span>
         </code></pre>
\ No newline at end of file
diff --git a/crates/ide/src/syntax_highlighting/test_data/highlight_doctest.html b/crates/ide/src/syntax_highlighting/test_data/highlight_doctest.html
index 4dd7413ba..6dadda1c1 100644
--- a/crates/ide/src/syntax_highlighting/test_data/highlight_doctest.html
+++ b/crates/ide/src/syntax_highlighting/test_data/highlight_doctest.html
@@ -37,67 +37,72 @@ pre                 { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
 .unresolved_reference { color: #FC5555; text-decoration: wavy underline; }
 </style>
 <pre><code><span class="comment documentation">/// ```</span>
-<span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="dummy injected"> </span><span class="punctuation injected">_</span><span class="dummy injected"> </span><span class="operator injected">=</span><span class="dummy injected"> </span><span class="string_literal injected">"early doctests should not go boom"</span><span class="punctuation injected">;</span><span class="punctuation injected">
-</span><span class="comment documentation">/// ```</span>
-<span class="keyword">struct</span> <span class="struct declaration">Foo</span> <span class="punctuation">{</span>
-    <span class="field declaration">bar</span><span class="punctuation">:</span> <span class="builtin_type">bool</span><span class="punctuation">,</span>
-<span class="punctuation">}</span>
+<span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="none injected"> </span><span class="punctuation injected">_</span><span class="none injected"> </span><span class="operator injected">=</span><span class="none injected"> </span><span class="string_literal injected">"early doctests should not go boom"</span><span class="semicolon injected">;</span>
+<span class="comment documentation">/// ```</span>
+<span class="keyword">struct</span> <span class="struct declaration">Foo</span> <span class="brace">{</span>
+    <span class="field declaration">bar</span><span class="colon">:</span> <span class="builtin_type">bool</span><span class="comma">,</span>
+<span class="brace">}</span>
 
-<span class="keyword">impl</span> <span class="struct">Foo</span> <span class="punctuation">{</span>
-    <span class="keyword">pub</span> <span class="keyword">const</span> <span class="constant declaration associated">bar</span><span class="punctuation">:</span> <span class="builtin_type">bool</span> <span class="operator">=</span> <span class="bool_literal">true</span><span class="punctuation">;</span>
+<span class="keyword">impl</span> <span class="struct">Foo</span> <span class="brace">{</span>
+    <span class="comment documentation">/// ```</span>
+    <span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="none injected"> </span><span class="punctuation injected">_</span><span class="none injected"> </span><span class="operator injected">=</span><span class="none injected"> </span><span class="string_literal injected">"Call me</span>
+    <span class="comment">//    KILLER WHALE</span>
+    <span class="comment documentation">/// </span><span class="string_literal injected">    Ishmael."</span><span class="semicolon injected">;</span>
+    <span class="comment documentation">/// ```</span>
+    <span class="keyword">pub</span> <span class="keyword">const</span> <span class="constant declaration associated">bar</span><span class="colon">:</span> <span class="builtin_type">bool</span> <span class="operator">=</span> <span class="bool_literal">true</span><span class="semicolon">;</span>
 
     <span class="comment documentation">/// Constructs a new `Foo`.</span>
     <span class="comment documentation">///</span>
     <span class="comment documentation">/// # Examples</span>
     <span class="comment documentation">///</span>
     <span class="comment documentation">/// ```</span>
-    <span class="comment documentation">/// #</span><span class="dummy injected"> </span><span class="attribute attribute injected">#</span><span class="attribute attribute injected">!</span><span class="attribute attribute injected">[</span><span class="function attribute injected">allow</span><span class="punctuation attribute injected">(</span><span class="attribute attribute injected">unused_mut</span><span class="punctuation attribute injected">)</span><span class="attribute attribute injected">]</span>
-    <span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="dummy injected"> </span><span class="keyword injected">mut</span><span class="dummy injected"> </span><span class="variable declaration injected mutable">foo</span><span class="punctuation injected">:</span><span class="dummy injected"> </span><span class="struct injected">Foo</span><span class="dummy injected"> </span><span class="operator injected">=</span><span class="dummy injected"> </span><span class="struct injected">Foo</span><span class="operator injected">::</span><span class="function injected">new</span><span class="punctuation injected">(</span><span class="punctuation injected">)</span><span class="punctuation injected">;</span><span class="punctuation injected">
-</span>    <span class="comment documentation">/// ```</span>
-    <span class="keyword">pub</span> <span class="keyword">const</span> <span class="keyword">fn</span> <span class="function declaration static associated">new</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="operator">-&gt;</span> <span class="struct">Foo</span> <span class="punctuation">{</span>
-        <span class="struct">Foo</span> <span class="punctuation">{</span> <span class="field">bar</span><span class="punctuation">:</span> <span class="bool_literal">true</span> <span class="punctuation">}</span>
-    <span class="punctuation">}</span>
+    <span class="comment documentation">/// #</span><span class="none injected"> </span><span class="attribute attribute injected">#</span><span class="attribute attribute injected">!</span><span class="attribute attribute injected">[</span><span class="function attribute injected">allow</span><span class="parenthesis attribute injected">(</span><span class="attribute attribute injected">unused_mut</span><span class="parenthesis attribute injected">)</span><span class="attribute attribute injected">]</span>
+    <span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="none injected"> </span><span class="keyword injected">mut</span><span class="none injected"> </span><span class="variable declaration injected mutable">foo</span><span class="colon injected">:</span><span class="none injected"> </span><span class="struct injected">Foo</span><span class="none injected"> </span><span class="operator injected">=</span><span class="none injected"> </span><span class="struct injected">Foo</span><span class="operator injected">::</span><span class="function injected">new</span><span class="parenthesis injected">(</span><span class="parenthesis injected">)</span><span class="semicolon injected">;</span>
+    <span class="comment documentation">/// ```</span>
+    <span class="keyword">pub</span> <span class="keyword">const</span> <span class="keyword">fn</span> <span class="function declaration static associated">new</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="struct">Foo</span> <span class="brace">{</span>
+        <span class="struct">Foo</span> <span class="brace">{</span> <span class="field">bar</span><span class="colon">:</span> <span class="bool_literal">true</span> <span class="brace">}</span>
+    <span class="brace">}</span>
 
     <span class="comment documentation">/// `bar` method on `Foo`.</span>
     <span class="comment documentation">///</span>
     <span class="comment documentation">/// # Examples</span>
     <span class="comment documentation">///</span>
     <span class="comment documentation">/// ```</span>
-    <span class="comment documentation">/// </span><span class="keyword injected">use</span><span class="dummy injected"> </span><span class="module injected">x</span><span class="operator injected">::</span><span class="module injected">y</span><span class="punctuation injected">;</span>
+    <span class="comment documentation">/// </span><span class="keyword injected">use</span><span class="none injected"> </span><span class="module injected">x</span><span class="operator injected">::</span><span class="module injected">y</span><span class="semicolon injected">;</span>
     <span class="comment documentation">///</span>
-    <span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="dummy injected"> </span><span class="variable declaration injected">foo</span><span class="dummy injected"> </span><span class="operator injected">=</span><span class="dummy injected"> </span><span class="struct injected">Foo</span><span class="operator injected">::</span><span class="function injected">new</span><span class="punctuation injected">(</span><span class="punctuation injected">)</span><span class="punctuation injected">;</span>
+    <span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="none injected"> </span><span class="variable declaration injected">foo</span><span class="none injected"> </span><span class="operator injected">=</span><span class="none injected"> </span><span class="struct injected">Foo</span><span class="operator injected">::</span><span class="function injected">new</span><span class="parenthesis injected">(</span><span class="parenthesis injected">)</span><span class="semicolon injected">;</span>
     <span class="comment documentation">///</span>
     <span class="comment documentation">/// </span><span class="comment injected">// calls bar on foo</span>
-    <span class="comment documentation">/// </span><span class="macro injected">assert!</span><span class="punctuation injected">(</span><span class="dummy injected">foo</span><span class="operator injected">.</span><span class="dummy injected">bar</span><span class="punctuation injected">(</span><span class="punctuation injected">)</span><span class="punctuation injected">)</span><span class="punctuation injected">;</span>
+    <span class="comment documentation">/// </span><span class="macro injected">assert!</span><span class="parenthesis injected">(</span><span class="none injected">foo</span><span class="operator injected">.</span><span class="none injected">bar</span><span class="parenthesis injected">(</span><span class="parenthesis injected">)</span><span class="parenthesis injected">)</span><span class="semicolon injected">;</span>
     <span class="comment documentation">///</span>
-    <span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="dummy injected"> </span><span class="variable declaration injected">bar</span><span class="dummy injected"> </span><span class="operator injected">=</span><span class="dummy injected"> </span><span class="variable injected">foo</span><span class="operator injected">.</span><span class="field injected">bar</span><span class="dummy injected"> </span><span class="operator injected">||</span><span class="dummy injected"> </span><span class="struct injected">Foo</span><span class="operator injected">::</span><span class="constant injected">bar</span><span class="punctuation injected">;</span>
+    <span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="none injected"> </span><span class="variable declaration injected">bar</span><span class="none injected"> </span><span class="operator injected">=</span><span class="none injected"> </span><span class="variable injected">foo</span><span class="operator injected">.</span><span class="field injected">bar</span><span class="none injected"> </span><span class="operator injected">||</span><span class="none injected"> </span><span class="struct injected">Foo</span><span class="operator injected">::</span><span class="constant injected">bar</span><span class="semicolon injected">;</span>
     <span class="comment documentation">///</span>
-    <span class="comment documentation">/// </span><span class="comment injected">/* multi-line
-    </span><span class="comment documentation">/// </span><span class="comment injected">       comment */</span>
+    <span class="comment documentation">/// </span><span class="comment injected">/* multi-line</span>
+    <span class="comment documentation">/// </span><span class="comment injected">       comment */</span>
     <span class="comment documentation">///</span>
-    <span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="dummy injected"> </span><span class="variable declaration injected">multi_line_string</span><span class="dummy injected"> </span><span class="operator injected">=</span><span class="dummy injected"> </span><span class="string_literal injected">"Foo
-    </span><span class="comment documentation">/// </span><span class="string_literal injected">  bar
-    </span><span class="comment documentation">/// </span><span class="string_literal injected">         "</span><span class="punctuation injected">;</span>
+    <span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="none injected"> </span><span class="variable declaration injected">multi_line_string</span><span class="none injected"> </span><span class="operator injected">=</span><span class="none injected"> </span><span class="string_literal injected">"Foo</span>
+    <span class="comment documentation">/// </span><span class="string_literal injected">  bar</span>
+    <span class="comment documentation">/// </span><span class="string_literal injected">         "</span><span class="semicolon injected">;</span>
     <span class="comment documentation">///</span>
     <span class="comment documentation">/// ```</span>
     <span class="comment documentation">///</span>
     <span class="comment documentation">/// ```rust,no_run</span>
-    <span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="dummy injected"> </span><span class="variable declaration injected">foobar</span><span class="dummy injected"> </span><span class="operator injected">=</span><span class="dummy injected"> </span><span class="struct injected">Foo</span><span class="operator injected">::</span><span class="function injected">new</span><span class="punctuation injected">(</span><span class="punctuation injected">)</span><span class="operator injected">.</span><span class="function injected">bar</span><span class="punctuation injected">(</span><span class="punctuation injected">)</span><span class="punctuation injected">;</span><span class="punctuation injected">
-</span>    <span class="comment documentation">/// ```</span>
+    <span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="none injected"> </span><span class="variable declaration injected">foobar</span><span class="none injected"> </span><span class="operator injected">=</span><span class="none injected"> </span><span class="struct injected">Foo</span><span class="operator injected">::</span><span class="function injected">new</span><span class="parenthesis injected">(</span><span class="parenthesis injected">)</span><span class="operator injected">.</span><span class="function injected">bar</span><span class="parenthesis injected">(</span><span class="parenthesis injected">)</span><span class="semicolon injected">;</span>
+    <span class="comment documentation">/// ```</span>
     <span class="comment documentation">///</span>
     <span class="comment documentation">/// ```sh</span>
     <span class="comment documentation">/// echo 1</span>
     <span class="comment documentation">/// ```</span>
-    <span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function declaration associated">foo</span><span class="punctuation">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="punctuation">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">bool</span> <span class="punctuation">{</span>
+    <span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function declaration associated">foo</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">bool</span> <span class="brace">{</span>
         <span class="bool_literal">true</span>
-    <span class="punctuation">}</span>
-<span class="punctuation">}</span>
+    <span class="brace">}</span>
+<span class="brace">}</span>
 
 <span class="comment documentation">/// ```</span>
-<span class="comment documentation">/// </span><span class="macro injected">noop!</span><span class="punctuation injected">(</span><span class="numeric_literal injected">1</span><span class="punctuation injected">)</span><span class="punctuation injected">;</span><span class="punctuation injected">
-</span><span class="comment documentation">/// ```</span>
-<span class="keyword">macro_rules</span><span class="punctuation">!</span> <span class="macro declaration">noop</span> <span class="punctuation">{</span>
-    <span class="punctuation">(</span><span class="punctuation">$</span>expr<span class="punctuation">:</span>expr<span class="punctuation">)</span> <span class="operator">=</span><span class="punctuation">&gt;</span> <span class="punctuation">{</span>
+<span class="comment documentation">/// </span><span class="macro injected">noop!</span><span class="parenthesis injected">(</span><span class="numeric_literal injected">1</span><span class="parenthesis injected">)</span><span class="semicolon injected">;</span>
+<span class="comment documentation">/// ```</span>
+<span class="keyword">macro_rules</span><span class="punctuation">!</span> <span class="macro declaration">noop</span> <span class="brace">{</span>
+    <span class="parenthesis">(</span><span class="punctuation">$</span>expr<span class="colon">:</span>expr<span class="parenthesis">)</span> <span class="operator">=</span><span class="angle">&gt;</span> <span class="brace">{</span>
         <span class="punctuation">$</span>expr
-    <span class="punctuation">}</span>
-<span class="punctuation">}</span></code></pre>
\ No newline at end of file
+    <span class="brace">}</span>
+<span class="brace">}</span></code></pre>
\ No newline at end of file
diff --git a/crates/ide/src/syntax_highlighting/test_data/highlight_extern_crate.html b/crates/ide/src/syntax_highlighting/test_data/highlight_extern_crate.html
index ed452586a..6f7a7ffff 100644
--- a/crates/ide/src/syntax_highlighting/test_data/highlight_extern_crate.html
+++ b/crates/ide/src/syntax_highlighting/test_data/highlight_extern_crate.html
@@ -36,6 +36,6 @@ pre                 { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
 
 .unresolved_reference { color: #FC5555; text-decoration: wavy underline; }
 </style>
-<pre><code><span class="keyword">extern</span> <span class="keyword">crate</span> <span class="module">std</span><span class="punctuation">;</span>
-<span class="keyword">extern</span> <span class="keyword">crate</span> <span class="module">alloc</span> <span class="keyword">as</span> <span class="module">abc</span><span class="punctuation">;</span>
+<pre><code><span class="keyword">extern</span> <span class="keyword">crate</span> <span class="module">std</span><span class="semicolon">;</span>
+<span class="keyword">extern</span> <span class="keyword">crate</span> <span class="module">alloc</span> <span class="keyword">as</span> <span class="module">abc</span><span class="semicolon">;</span>
 </code></pre>
\ No newline at end of file
diff --git a/crates/ide/src/syntax_highlighting/test_data/highlight_injection.html b/crates/ide/src/syntax_highlighting/test_data/highlight_injection.html
index 92e7dc3e4..753b535b5 100644
--- a/crates/ide/src/syntax_highlighting/test_data/highlight_injection.html
+++ b/crates/ide/src/syntax_highlighting/test_data/highlight_injection.html
@@ -36,14 +36,14 @@ pre                 { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
 
 .unresolved_reference { color: #FC5555; text-decoration: wavy underline; }
 </style>
-<pre><code><span class="keyword">fn</span> <span class="function declaration">fixture</span><span class="punctuation">(</span><span class="value_param declaration">ra_fixture</span><span class="punctuation">:</span> <span class="operator">&</span><span class="builtin_type">str</span><span class="punctuation">)</span> <span class="punctuation">{</span><span class="punctuation">}</span>
+<pre><code><span class="keyword">fn</span> <span class="function declaration">fixture</span><span class="parenthesis">(</span><span class="value_param declaration">ra_fixture</span><span class="colon">:</span> <span class="operator">&</span><span class="builtin_type">str</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
 
-<span class="keyword">fn</span> <span class="function declaration">main</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span>
-    <span class="function">fixture</span><span class="punctuation">(</span><span class="string_literal">r#"</span>
-        <span class="keyword">trait</span> <span class="trait declaration">Foo</span> <span class="punctuation">{</span>
-            <span class="keyword">fn</span> <span class="function declaration static associated">foo</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span>
-                <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"2 + 2 = {}"</span><span class="punctuation">,</span> <span class="numeric_literal">4</span><span class="punctuation">)</span><span class="punctuation">;</span>
-            <span class="punctuation">}</span>
-        <span class="punctuation">}</span><span class="string_literal">"#</span>
-    <span class="punctuation">)</span><span class="punctuation">;</span>
-<span class="punctuation">}</span></code></pre>
\ No newline at end of file
+<span class="keyword">fn</span> <span class="function declaration">main</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
+    <span class="function">fixture</span><span class="parenthesis">(</span><span class="string_literal">r#"</span>
+        <span class="keyword">trait</span> <span class="trait declaration">Foo</span> <span class="brace">{</span>
+            <span class="keyword">fn</span> <span class="function declaration static associated">foo</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
+                <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"2 + 2 = {}"</span><span class="comma">,</span> <span class="numeric_literal">4</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+            <span class="brace">}</span>
+        <span class="brace">}</span><span class="string_literal">"#</span>
+    <span class="parenthesis">)</span><span class="semicolon">;</span>
+<span class="brace">}</span></code></pre>
\ No newline at end of file
diff --git a/crates/ide/src/syntax_highlighting/test_data/highlight_strings.html b/crates/ide/src/syntax_highlighting/test_data/highlight_strings.html
index 31dad5d42..66d80c4b6 100644
--- a/crates/ide/src/syntax_highlighting/test_data/highlight_strings.html
+++ b/crates/ide/src/syntax_highlighting/test_data/highlight_strings.html
@@ -36,64 +36,64 @@ pre                 { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
 
 .unresolved_reference { color: #FC5555; text-decoration: wavy underline; }
 </style>
-<pre><code><span class="keyword">macro_rules</span><span class="punctuation">!</span> <span class="macro declaration">println</span> <span class="punctuation">{</span>
-    <span class="punctuation">(</span><span class="punctuation">$</span><span class="punctuation">(</span><span class="punctuation">$</span>arg<span class="punctuation">:</span>tt<span class="punctuation">)</span><span class="punctuation">*</span><span class="punctuation">)</span> <span class="operator">=</span><span class="punctuation">&gt;</span> <span class="punctuation">(</span><span class="punctuation">{</span>
-        <span class="punctuation">$</span>crate<span class="punctuation">:</span><span class="punctuation">:</span>io<span class="punctuation">:</span><span class="punctuation">:</span>_print<span class="punctuation">(</span><span class="punctuation">$</span>crate<span class="punctuation">:</span><span class="punctuation">:</span>format_args_nl<span class="punctuation">!</span><span class="punctuation">(</span><span class="punctuation">$</span><span class="punctuation">(</span><span class="punctuation">$</span>arg<span class="punctuation">)</span><span class="punctuation">*</span><span class="punctuation">)</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="punctuation">}</span><span class="punctuation">)</span>
-<span class="punctuation">}</span>
+<pre><code><span class="keyword">macro_rules</span><span class="punctuation">!</span> <span class="macro declaration">println</span> <span class="brace">{</span>
+    <span class="parenthesis">(</span><span class="punctuation">$</span><span class="parenthesis">(</span><span class="punctuation">$</span>arg<span class="colon">:</span>tt<span class="parenthesis">)</span><span class="punctuation">*</span><span class="parenthesis">)</span> <span class="operator">=</span><span class="angle">&gt;</span> <span class="parenthesis">(</span><span class="brace">{</span>
+        <span class="punctuation">$</span>crate<span class="colon">:</span><span class="colon">:</span>io<span class="colon">:</span><span class="colon">:</span>_print<span class="parenthesis">(</span><span class="punctuation">$</span>crate<span class="colon">:</span><span class="colon">:</span>format_args_nl<span class="punctuation">!</span><span class="parenthesis">(</span><span class="punctuation">$</span><span class="parenthesis">(</span><span class="punctuation">$</span>arg<span class="parenthesis">)</span><span class="punctuation">*</span><span class="parenthesis">)</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="brace">}</span><span class="parenthesis">)</span>
+<span class="brace">}</span>
 <span class="attribute attribute">#</span><span class="attribute attribute">[</span><span class="function attribute">rustc_builtin_macro</span><span class="attribute attribute">]</span>
-<span class="keyword">macro_rules</span><span class="punctuation">!</span> <span class="macro declaration">format_args_nl</span> <span class="punctuation">{</span>
-    <span class="punctuation">(</span><span class="punctuation">$</span>fmt<span class="punctuation">:</span>expr<span class="punctuation">)</span> <span class="operator">=</span><span class="punctuation">&gt;</span> <span class="punctuation">{</span><span class="punctuation">{</span> <span class="comment">/* compiler built-in */</span> <span class="punctuation">}</span><span class="punctuation">}</span><span class="punctuation">;</span>
-    <span class="punctuation">(</span><span class="punctuation">$</span>fmt<span class="punctuation">:</span>expr<span class="punctuation">,</span> <span class="punctuation">$</span><span class="punctuation">(</span><span class="punctuation">$</span>args<span class="punctuation">:</span>tt<span class="punctuation">)</span><span class="punctuation">*</span><span class="punctuation">)</span> <span class="operator">=</span><span class="punctuation">&gt;</span> <span class="punctuation">{</span><span class="punctuation">{</span> <span class="comment">/* compiler built-in */</span> <span class="punctuation">}</span><span class="punctuation">}</span><span class="punctuation">;</span>
-<span class="punctuation">}</span>
+<span class="keyword">macro_rules</span><span class="punctuation">!</span> <span class="macro declaration">format_args_nl</span> <span class="brace">{</span>
+    <span class="parenthesis">(</span><span class="punctuation">$</span>fmt<span class="colon">:</span>expr<span class="parenthesis">)</span> <span class="operator">=</span><span class="angle">&gt;</span> <span class="brace">{</span><span class="brace">{</span> <span class="comment">/* compiler built-in */</span> <span class="brace">}</span><span class="brace">}</span><span class="semicolon">;</span>
+    <span class="parenthesis">(</span><span class="punctuation">$</span>fmt<span class="colon">:</span>expr<span class="comma">,</span> <span class="punctuation">$</span><span class="parenthesis">(</span><span class="punctuation">$</span>args<span class="colon">:</span>tt<span class="parenthesis">)</span><span class="punctuation">*</span><span class="parenthesis">)</span> <span class="operator">=</span><span class="angle">&gt;</span> <span class="brace">{</span><span class="brace">{</span> <span class="comment">/* compiler built-in */</span> <span class="brace">}</span><span class="brace">}</span><span class="semicolon">;</span>
+<span class="brace">}</span>
 
-<span class="keyword">fn</span> <span class="function declaration">main</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span>
+<span class="keyword">fn</span> <span class="function declaration">main</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
     <span class="comment">// from https://doc.rust-lang.org/std/fmt/index.html</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello"</span><span class="punctuation">)</span><span class="punctuation">;</span>                 <span class="comment">// =&gt; "Hello"</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello, </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="string_literal">"world"</span><span class="punctuation">)</span><span class="punctuation">;</span>   <span class="comment">// =&gt; "Hello, world!"</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"The number is </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> <span class="numeric_literal">1</span><span class="punctuation">)</span><span class="punctuation">;</span>   <span class="comment">// =&gt; "The number is 1"</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">?</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> <span class="punctuation">(</span><span class="numeric_literal">3</span><span class="punctuation">,</span> <span class="numeric_literal">4</span><span class="punctuation">)</span><span class="punctuation">)</span><span class="punctuation">;</span>          <span class="comment">// =&gt; "(3, 4)"</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">value</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> value<span class="operator">=</span><span class="numeric_literal">4</span><span class="punctuation">)</span><span class="punctuation">;</span>      <span class="comment">// =&gt; "4"</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> <span class="numeric_literal">1</span><span class="punctuation">,</span> <span class="numeric_literal">2</span><span class="punctuation">)</span><span class="punctuation">;</span>           <span class="comment">// =&gt; "1 2"</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="numeric_literal">4</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> <span class="numeric_literal">42</span><span class="punctuation">)</span><span class="punctuation">;</span>             <span class="comment">// =&gt; "0042" with leading zerosV</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> <span class="numeric_literal">1</span><span class="punctuation">,</span> <span class="numeric_literal">2</span><span class="punctuation">)</span><span class="punctuation">;</span>   <span class="comment">// =&gt; "2 1 1 2"</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">argument</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> argument <span class="operator">=</span> <span class="string_literal">"test"</span><span class="punctuation">)</span><span class="punctuation">;</span>   <span class="comment">// =&gt; "test"</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> <span class="numeric_literal">1</span><span class="punctuation">,</span> name <span class="operator">=</span> <span class="numeric_literal">2</span><span class="punctuation">)</span><span class="punctuation">;</span>          <span class="comment">// =&gt; "2 1"</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">a</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="variable">c</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="variable">b</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> a<span class="operator">=</span><span class="string_literal">"a"</span><span class="punctuation">,</span> b<span class="operator">=</span><span class="char_literal">'b'</span><span class="punctuation">,</span> c<span class="operator">=</span><span class="numeric_literal">3</span><span class="punctuation">)</span><span class="punctuation">;</span>  <span class="comment">// =&gt; "a 3 b"</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"{{</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">}}"</span><span class="punctuation">,</span> <span class="numeric_literal">2</span><span class="punctuation">)</span><span class="punctuation">;</span>                       <span class="comment">// =&gt; "{2}"</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">1</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">,</span> <span class="numeric_literal">5</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="numeric_literal">5</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="variable">width</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">,</span> width <span class="operator">=</span> <span class="numeric_literal">5</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">&lt;</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">-</span><span class="format_specifier">&lt;</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">^</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">&gt;</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">+</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="numeric_literal">5</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">#</span><span class="variable">x</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="numeric_literal">27</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="numeric_literal">5</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="punctuation">-</span><span class="numeric_literal">5</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">#</span><span class="numeric_literal">0</span><span class="numeric_literal">10</span><span class="variable">x</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="numeric_literal">27</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">,</span> <span class="numeric_literal">0.01</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="numeric_literal">2</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="numeric_literal">0</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> <span class="numeric_literal">5</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">,</span> <span class="numeric_literal">0.01</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="numeric_literal">2</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="numeric_literal">1</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">,</span> <span class="numeric_literal">5</span><span class="punctuation">,</span> <span class="numeric_literal">0.01</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span>    <span class="string_literal">"x"</span><span class="punctuation">,</span> <span class="numeric_literal">5</span><span class="punctuation">,</span> <span class="numeric_literal">0.01</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="numeric_literal">2</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span>   <span class="string_literal">"x"</span><span class="punctuation">,</span> <span class="numeric_literal">5</span><span class="punctuation">,</span> <span class="numeric_literal">0.01</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="variable">number</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="variable">prec</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> <span class="string_literal">"x"</span><span class="punctuation">,</span> prec <span class="operator">=</span> <span class="numeric_literal">5</span><span class="punctuation">,</span> number <span class="operator">=</span> <span class="numeric_literal">0.01</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">, `</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">` has 3 fractional digits"</span><span class="punctuation">,</span> <span class="string_literal">"Hello"</span><span class="punctuation">,</span> <span class="numeric_literal">3</span><span class="punctuation">,</span> name<span class="operator">=</span><span class="numeric_literal">1234.56</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">, `</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">` has 3 characters"</span><span class="punctuation">,</span> <span class="string_literal">"Hello"</span><span class="punctuation">,</span> <span class="numeric_literal">3</span><span class="punctuation">,</span> name<span class="operator">=</span><span class="string_literal">"1234.56"</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">, `</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">:</span><span class="format_specifier">&gt;</span><span class="numeric_literal">8</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">` has 3 right-aligned characters"</span><span class="punctuation">,</span> <span class="string_literal">"Hello"</span><span class="punctuation">,</span> <span class="numeric_literal">3</span><span class="punctuation">,</span> name<span class="operator">=</span><span class="string_literal">"1234.56"</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello {{}}"</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"{{ Hello"</span><span class="punctuation">)</span><span class="punctuation">;</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"Hello"</span><span class="parenthesis">)</span><span class="semicolon">;</span>                 <span class="comment">// =&gt; "Hello"</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"Hello, </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="string_literal">"world"</span><span class="parenthesis">)</span><span class="semicolon">;</span>   <span class="comment">// =&gt; "Hello, world!"</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"The number is </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="numeric_literal">1</span><span class="parenthesis">)</span><span class="semicolon">;</span>   <span class="comment">// =&gt; "The number is 1"</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">?</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="parenthesis">(</span><span class="numeric_literal">3</span><span class="comma">,</span> <span class="numeric_literal">4</span><span class="parenthesis">)</span><span class="parenthesis">)</span><span class="semicolon">;</span>          <span class="comment">// =&gt; "(3, 4)"</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">value</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> value<span class="operator">=</span><span class="numeric_literal">4</span><span class="parenthesis">)</span><span class="semicolon">;</span>      <span class="comment">// =&gt; "4"</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="numeric_literal">1</span><span class="comma">,</span> <span class="numeric_literal">2</span><span class="parenthesis">)</span><span class="semicolon">;</span>           <span class="comment">// =&gt; "1 2"</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="numeric_literal">4</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="numeric_literal">42</span><span class="parenthesis">)</span><span class="semicolon">;</span>             <span class="comment">// =&gt; "0042" with leading zerosV</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="numeric_literal">1</span><span class="comma">,</span> <span class="numeric_literal">2</span><span class="parenthesis">)</span><span class="semicolon">;</span>   <span class="comment">// =&gt; "2 1 1 2"</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">argument</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> argument <span class="operator">=</span> <span class="string_literal">"test"</span><span class="parenthesis">)</span><span class="semicolon">;</span>   <span class="comment">// =&gt; "test"</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="numeric_literal">1</span><span class="comma">,</span> name <span class="operator">=</span> <span class="numeric_literal">2</span><span class="parenthesis">)</span><span class="semicolon">;</span>          <span class="comment">// =&gt; "2 1"</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">a</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="variable">c</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="variable">b</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> a<span class="operator">=</span><span class="string_literal">"a"</span><span class="comma">,</span> b<span class="operator">=</span><span class="char_literal">'b'</span><span class="comma">,</span> c<span class="operator">=</span><span class="numeric_literal">3</span><span class="parenthesis">)</span><span class="semicolon">;</span>  <span class="comment">// =&gt; "a 3 b"</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"{{</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">}}"</span><span class="comma">,</span> <span class="numeric_literal">2</span><span class="parenthesis">)</span><span class="semicolon">;</span>                       <span class="comment">// =&gt; "{2}"</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">1</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="comma">,</span> <span class="numeric_literal">5</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="numeric_literal">5</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="variable">width</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="comma">,</span> width <span class="operator">=</span> <span class="numeric_literal">5</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">&lt;</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">-</span><span class="format_specifier">&lt;</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">^</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">&gt;</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">+</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="numeric_literal">5</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">#</span><span class="variable">x</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="numeric_literal">27</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="numeric_literal">5</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="punctuation">-</span><span class="numeric_literal">5</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">#</span><span class="numeric_literal">0</span><span class="numeric_literal">10</span><span class="variable">x</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="numeric_literal">27</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="comma">,</span> <span class="numeric_literal">0.01</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="numeric_literal">2</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="numeric_literal">0</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="numeric_literal">5</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="comma">,</span> <span class="numeric_literal">0.01</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="numeric_literal">2</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="numeric_literal">1</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="comma">,</span> <span class="numeric_literal">5</span><span class="comma">,</span> <span class="numeric_literal">0.01</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span>    <span class="string_literal">"x"</span><span class="comma">,</span> <span class="numeric_literal">5</span><span class="comma">,</span> <span class="numeric_literal">0.01</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="numeric_literal">2</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span>   <span class="string_literal">"x"</span><span class="comma">,</span> <span class="numeric_literal">5</span><span class="comma">,</span> <span class="numeric_literal">0.01</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="variable">number</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="variable">prec</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="comma">,</span> prec <span class="operator">=</span> <span class="numeric_literal">5</span><span class="comma">,</span> number <span class="operator">=</span> <span class="numeric_literal">0.01</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">, `</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">` has 3 fractional digits"</span><span class="comma">,</span> <span class="string_literal">"Hello"</span><span class="comma">,</span> <span class="numeric_literal">3</span><span class="comma">,</span> name<span class="operator">=</span><span class="numeric_literal">1234.56</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">, `</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">` has 3 characters"</span><span class="comma">,</span> <span class="string_literal">"Hello"</span><span class="comma">,</span> <span class="numeric_literal">3</span><span class="comma">,</span> name<span class="operator">=</span><span class="string_literal">"1234.56"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">, `</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">:</span><span class="format_specifier">&gt;</span><span class="numeric_literal">8</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">` has 3 right-aligned characters"</span><span class="comma">,</span> <span class="string_literal">"Hello"</span><span class="comma">,</span> <span class="numeric_literal">3</span><span class="comma">,</span> name<span class="operator">=</span><span class="string_literal">"1234.56"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"Hello {{}}"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"{{ Hello"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
 
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">r"Hello, </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="punctuation">,</span> <span class="string_literal">"world"</span><span class="punctuation">)</span><span class="punctuation">;</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">r"Hello, </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="string_literal">"world"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
 
     <span class="comment">// escape sequences</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello</span><span class="escape_sequence">\n</span><span class="string_literal">World"</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="escape_sequence">\u{48}</span><span class="escape_sequence">\x65</span><span class="escape_sequence">\x6C</span><span class="escape_sequence">\x6C</span><span class="escape_sequence">\x6F</span><span class="string_literal"> World"</span><span class="punctuation">)</span><span class="punctuation">;</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"Hello</span><span class="escape_sequence">\n</span><span class="string_literal">World"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="escape_sequence">\u{48}</span><span class="escape_sequence">\x65</span><span class="escape_sequence">\x6C</span><span class="escape_sequence">\x6C</span><span class="escape_sequence">\x6F</span><span class="string_literal"> World"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
 
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="escape_sequence">\x41</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> A <span class="operator">=</span> <span class="numeric_literal">92</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">ничоси</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="punctuation">,</span> ничоси <span class="operator">=</span> <span class="numeric_literal">92</span><span class="punctuation">)</span><span class="punctuation">;</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="escape_sequence">\x41</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> A <span class="operator">=</span> <span class="numeric_literal">92</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="variable">ничоси</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> ничоси <span class="operator">=</span> <span class="numeric_literal">92</span><span class="parenthesis">)</span><span class="semicolon">;</span>
 
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="variable">x</span><span class="format_specifier">?</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> "</span><span class="punctuation">,</span> thingy<span class="punctuation">,</span> n2<span class="punctuation">)</span><span class="punctuation">;</span>
-<span class="punctuation">}</span></code></pre>
\ No newline at end of file
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="variable">x</span><span class="format_specifier">?</span><span class="format_specifier">}</span><span class="string_literal"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> "</span><span class="comma">,</span> thingy<span class="comma">,</span> n2<span class="parenthesis">)</span><span class="semicolon">;</span>
+<span class="brace">}</span></code></pre>
\ No newline at end of file
diff --git a/crates/ide/src/syntax_highlighting/test_data/highlight_unsafe.html b/crates/ide/src/syntax_highlighting/test_data/highlight_unsafe.html
index e3a0aa317..9d4d6d4a0 100644
--- a/crates/ide/src/syntax_highlighting/test_data/highlight_unsafe.html
+++ b/crates/ide/src/syntax_highlighting/test_data/highlight_unsafe.html
@@ -36,65 +36,65 @@ pre                 { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
 
 .unresolved_reference { color: #FC5555; text-decoration: wavy underline; }
 </style>
-<pre><code><span class="keyword unsafe">unsafe</span> <span class="keyword">fn</span> <span class="function declaration unsafe">unsafe_fn</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span><span class="punctuation">}</span>
+<pre><code><span class="keyword unsafe">unsafe</span> <span class="keyword">fn</span> <span class="function declaration unsafe">unsafe_fn</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
 
-<span class="keyword">union</span> <span class="union declaration">Union</span> <span class="punctuation">{</span>
-    <span class="field declaration">a</span><span class="punctuation">:</span> <span class="builtin_type">u32</span><span class="punctuation">,</span>
-    <span class="field declaration">b</span><span class="punctuation">:</span> <span class="builtin_type">f32</span><span class="punctuation">,</span>
-<span class="punctuation">}</span>
+<span class="keyword">union</span> <span class="union declaration">Union</span> <span class="brace">{</span>
+    <span class="field declaration">a</span><span class="colon">:</span> <span class="builtin_type">u32</span><span class="comma">,</span>
+    <span class="field declaration">b</span><span class="colon">:</span> <span class="builtin_type">f32</span><span class="comma">,</span>
+<span class="brace">}</span>
 
-<span class="keyword">struct</span> <span class="struct declaration">HasUnsafeFn</span><span class="punctuation">;</span>
+<span class="keyword">struct</span> <span class="struct declaration">HasUnsafeFn</span><span class="semicolon">;</span>
 
-<span class="keyword">impl</span> <span class="struct">HasUnsafeFn</span> <span class="punctuation">{</span>
-    <span class="keyword unsafe">unsafe</span> <span class="keyword">fn</span> <span class="function declaration associated unsafe">unsafe_method</span><span class="punctuation">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="punctuation">)</span> <span class="punctuation">{</span><span class="punctuation">}</span>
-<span class="punctuation">}</span>
+<span class="keyword">impl</span> <span class="struct">HasUnsafeFn</span> <span class="brace">{</span>
+    <span class="keyword unsafe">unsafe</span> <span class="keyword">fn</span> <span class="function declaration associated unsafe">unsafe_method</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
+<span class="brace">}</span>
 
-<span class="keyword">struct</span> <span class="struct declaration">TypeForStaticMut</span> <span class="punctuation">{</span>
-    <span class="field declaration">a</span><span class="punctuation">:</span> <span class="builtin_type">u8</span>
-<span class="punctuation">}</span>
+<span class="keyword">struct</span> <span class="struct declaration">TypeForStaticMut</span> <span class="brace">{</span>
+    <span class="field declaration">a</span><span class="colon">:</span> <span class="builtin_type">u8</span>
+<span class="brace">}</span>
 
-<span class="keyword">static</span> <span class="keyword">mut</span> <span class="static declaration mutable unsafe">global_mut</span><span class="punctuation">:</span> <span class="struct">TypeForStaticMut</span> <span class="operator">=</span> <span class="struct">TypeForStaticMut</span> <span class="punctuation">{</span> <span class="field">a</span><span class="punctuation">:</span> <span class="numeric_literal">0</span> <span class="punctuation">}</span><span class="punctuation">;</span>
+<span class="keyword">static</span> <span class="keyword">mut</span> <span class="static declaration mutable unsafe">global_mut</span><span class="colon">:</span> <span class="struct">TypeForStaticMut</span> <span class="operator">=</span> <span class="struct">TypeForStaticMut</span> <span class="brace">{</span> <span class="field">a</span><span class="colon">:</span> <span class="numeric_literal">0</span> <span class="brace">}</span><span class="semicolon">;</span>
 
-<span class="attribute attribute">#</span><span class="attribute attribute">[</span><span class="function attribute">repr</span><span class="punctuation attribute">(</span><span class="attribute attribute">packed</span><span class="punctuation attribute">)</span><span class="attribute attribute">]</span>
-<span class="keyword">struct</span> <span class="struct declaration">Packed</span> <span class="punctuation">{</span>
-    <span class="field declaration">a</span><span class="punctuation">:</span> <span class="builtin_type">u16</span><span class="punctuation">,</span>
-<span class="punctuation">}</span>
+<span class="attribute attribute">#</span><span class="attribute attribute">[</span><span class="function attribute">repr</span><span class="parenthesis attribute">(</span><span class="attribute attribute">packed</span><span class="parenthesis attribute">)</span><span class="attribute attribute">]</span>
+<span class="keyword">struct</span> <span class="struct declaration">Packed</span> <span class="brace">{</span>
+    <span class="field declaration">a</span><span class="colon">:</span> <span class="builtin_type">u16</span><span class="comma">,</span>
+<span class="brace">}</span>
 
-<span class="keyword">trait</span> <span class="trait declaration">DoTheAutoref</span> <span class="punctuation">{</span>
-    <span class="keyword">fn</span> <span class="function declaration associated">calls_autoref</span><span class="punctuation">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="punctuation">)</span><span class="punctuation">;</span>
-<span class="punctuation">}</span>
+<span class="keyword">trait</span> <span class="trait declaration">DoTheAutoref</span> <span class="brace">{</span>
+    <span class="keyword">fn</span> <span class="function declaration associated">calls_autoref</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+<span class="brace">}</span>
 
-<span class="keyword">impl</span> <span class="trait">DoTheAutoref</span> <span class="keyword">for</span> <span class="builtin_type">u16</span> <span class="punctuation">{</span>
-    <span class="keyword">fn</span> <span class="function declaration associated">calls_autoref</span><span class="punctuation">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="punctuation">)</span> <span class="punctuation">{</span><span class="punctuation">}</span>
-<span class="punctuation">}</span>
+<span class="keyword">impl</span> <span class="trait">DoTheAutoref</span> <span class="keyword">for</span> <span class="builtin_type">u16</span> <span class="brace">{</span>
+    <span class="keyword">fn</span> <span class="function declaration associated">calls_autoref</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
+<span class="brace">}</span>
 
-<span class="keyword">fn</span> <span class="function declaration">main</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span>
-    <span class="keyword">let</span> <span class="variable declaration">x</span> <span class="operator">=</span> <span class="operator">&</span><span class="numeric_literal">5</span> <span class="keyword">as</span> <span class="keyword">*</span><span class="keyword">const</span> <span class="punctuation">_</span> <span class="keyword">as</span> <span class="keyword">*</span><span class="keyword">const</span> <span class="builtin_type">usize</span><span class="punctuation">;</span>
-    <span class="keyword">let</span> <span class="variable declaration">u</span> <span class="operator">=</span> <span class="union">Union</span> <span class="punctuation">{</span> <span class="field">b</span><span class="punctuation">:</span> <span class="numeric_literal">0</span> <span class="punctuation">}</span><span class="punctuation">;</span>
-    <span class="keyword unsafe">unsafe</span> <span class="punctuation">{</span>
+<span class="keyword">fn</span> <span class="function declaration">main</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
+    <span class="keyword">let</span> <span class="variable declaration">x</span> <span class="operator">=</span> <span class="operator">&</span><span class="numeric_literal">5</span> <span class="keyword">as</span> <span class="keyword">*</span><span class="keyword">const</span> <span class="punctuation">_</span> <span class="keyword">as</span> <span class="keyword">*</span><span class="keyword">const</span> <span class="builtin_type">usize</span><span class="semicolon">;</span>
+    <span class="keyword">let</span> <span class="variable declaration">u</span> <span class="operator">=</span> <span class="union">Union</span> <span class="brace">{</span> <span class="field">b</span><span class="colon">:</span> <span class="numeric_literal">0</span> <span class="brace">}</span><span class="semicolon">;</span>
+    <span class="keyword unsafe">unsafe</span> <span class="brace">{</span>
         <span class="comment">// unsafe fn and method calls</span>
-        <span class="function unsafe">unsafe_fn</span><span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">;</span>
-        <span class="keyword">let</span> <span class="variable declaration">b</span> <span class="operator">=</span> <span class="variable">u</span><span class="operator">.</span><span class="field unsafe">b</span><span class="punctuation">;</span>
-        <span class="keyword control">match</span> <span class="variable">u</span> <span class="punctuation">{</span>
-            <span class="union">Union</span> <span class="punctuation">{</span> <span class="field unsafe">b</span><span class="punctuation">:</span> <span class="numeric_literal">0</span> <span class="punctuation">}</span> <span class="operator">=&gt;</span> <span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">,</span>
-            <span class="union">Union</span> <span class="punctuation">{</span> <span class="field unsafe">a</span> <span class="punctuation">}</span> <span class="operator">=&gt;</span> <span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">,</span>
-        <span class="punctuation">}</span>
-        <span class="struct">HasUnsafeFn</span><span class="operator">.</span><span class="function associated unsafe">unsafe_method</span><span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">;</span>
+        <span class="function unsafe">unsafe_fn</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+        <span class="keyword">let</span> <span class="variable declaration">b</span> <span class="operator">=</span> <span class="variable">u</span><span class="operator">.</span><span class="field unsafe">b</span><span class="semicolon">;</span>
+        <span class="keyword control">match</span> <span class="variable">u</span> <span class="brace">{</span>
+            <span class="union">Union</span> <span class="brace">{</span> <span class="field unsafe">b</span><span class="colon">:</span> <span class="numeric_literal">0</span> <span class="brace">}</span> <span class="operator">=&gt;</span> <span class="parenthesis">(</span><span class="parenthesis">)</span><span class="comma">,</span>
+            <span class="union">Union</span> <span class="brace">{</span> <span class="field unsafe">a</span> <span class="brace">}</span> <span class="operator">=&gt;</span> <span class="parenthesis">(</span><span class="parenthesis">)</span><span class="comma">,</span>
+        <span class="brace">}</span>
+        <span class="struct">HasUnsafeFn</span><span class="operator">.</span><span class="function associated unsafe">unsafe_method</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>
 
         <span class="comment">// unsafe deref</span>
-        <span class="keyword">let</span> <span class="variable declaration">y</span> <span class="operator">=</span> <span class="operator unsafe">*</span><span class="variable">x</span><span class="punctuation">;</span>
+        <span class="keyword">let</span> <span class="variable declaration">y</span> <span class="operator">=</span> <span class="operator unsafe">*</span><span class="variable">x</span><span class="semicolon">;</span>
 
         <span class="comment">// unsafe access to a static mut</span>
-        <span class="keyword">let</span> <span class="variable declaration">a</span> <span class="operator">=</span> <span class="static mutable unsafe">global_mut</span><span class="operator">.</span><span class="field">a</span><span class="punctuation">;</span>
+        <span class="keyword">let</span> <span class="variable declaration">a</span> <span class="operator">=</span> <span class="static mutable unsafe">global_mut</span><span class="operator">.</span><span class="field">a</span><span class="semicolon">;</span>
 
         <span class="comment">// unsafe ref of packed fields</span>
-        <span class="keyword">let</span> <span class="variable declaration">packed</span> <span class="operator">=</span> <span class="struct">Packed</span> <span class="punctuation">{</span> <span class="field">a</span><span class="punctuation">:</span> <span class="numeric_literal">0</span> <span class="punctuation">}</span><span class="punctuation">;</span>
-        <span class="keyword">let</span> <span class="variable declaration">a</span> <span class="operator">=</span> <span class="operator unsafe">&</span><span class="variable">packed</span><span class="operator">.</span><span class="field">a</span><span class="punctuation">;</span>
-        <span class="keyword">let</span> <span class="keyword unsafe">ref</span> <span class="variable declaration">a</span> <span class="operator">=</span> <span class="variable">packed</span><span class="operator">.</span><span class="field">a</span><span class="punctuation">;</span>
-        <span class="keyword">let</span> <span class="struct">Packed</span> <span class="punctuation">{</span> <span class="keyword unsafe">ref</span> <span class="field">a</span> <span class="punctuation">}</span> <span class="operator">=</span> <span class="variable">packed</span><span class="punctuation">;</span>
-        <span class="keyword">let</span> <span class="struct">Packed</span> <span class="punctuation">{</span> <span class="field">a</span><span class="punctuation">:</span> <span class="keyword unsafe">ref</span> <span class="variable declaration">_a</span> <span class="punctuation">}</span> <span class="operator">=</span> <span class="variable">packed</span><span class="punctuation">;</span>
+        <span class="keyword">let</span> <span class="variable declaration">packed</span> <span class="operator">=</span> <span class="struct">Packed</span> <span class="brace">{</span> <span class="field">a</span><span class="colon">:</span> <span class="numeric_literal">0</span> <span class="brace">}</span><span class="semicolon">;</span>
+        <span class="keyword">let</span> <span class="variable declaration">a</span> <span class="operator">=</span> <span class="operator unsafe">&</span><span class="variable">packed</span><span class="operator">.</span><span class="field">a</span><span class="semicolon">;</span>
+        <span class="keyword">let</span> <span class="keyword unsafe">ref</span> <span class="variable declaration">a</span> <span class="operator">=</span> <span class="variable">packed</span><span class="operator">.</span><span class="field">a</span><span class="semicolon">;</span>
+        <span class="keyword">let</span> <span class="struct">Packed</span> <span class="brace">{</span> <span class="keyword unsafe">ref</span> <span class="field">a</span> <span class="brace">}</span> <span class="operator">=</span> <span class="variable">packed</span><span class="semicolon">;</span>
+        <span class="keyword">let</span> <span class="struct">Packed</span> <span class="brace">{</span> <span class="field">a</span><span class="colon">:</span> <span class="keyword unsafe">ref</span> <span class="variable declaration">_a</span> <span class="brace">}</span> <span class="operator">=</span> <span class="variable">packed</span><span class="semicolon">;</span>
 
         <span class="comment">// unsafe auto ref of packed field</span>
-        <span class="variable">packed</span><span class="operator">.</span><span class="field">a</span><span class="operator">.</span><span class="function associated unsafe">calls_autoref</span><span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="punctuation">}</span>
-<span class="punctuation">}</span></code></pre>
\ No newline at end of file
+        <span class="variable">packed</span><span class="operator">.</span><span class="field">a</span><span class="operator">.</span><span class="function associated unsafe">calls_autoref</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="brace">}</span>
+<span class="brace">}</span></code></pre>
\ No newline at end of file
diff --git a/crates/ide/src/syntax_highlighting/test_data/highlighting.html b/crates/ide/src/syntax_highlighting/test_data/highlighting.html
index 02270b077..6b7447c46 100644
--- a/crates/ide/src/syntax_highlighting/test_data/highlighting.html
+++ b/crates/ide/src/syntax_highlighting/test_data/highlighting.html
@@ -36,187 +36,187 @@ pre                 { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
 
 .unresolved_reference { color: #FC5555; text-decoration: wavy underline; }
 </style>
-<pre><code><span class="keyword">use</span> <span class="module">inner</span><span class="operator">::</span><span class="punctuation">{</span><span class="self_keyword">self</span> <span class="keyword">as</span> <span class="module declaration">inner_mod</span><span class="punctuation">}</span><span class="punctuation">;</span>
-<span class="keyword">mod</span> <span class="module declaration">inner</span> <span class="punctuation">{</span><span class="punctuation">}</span>
+<pre><code><span class="keyword">use</span> <span class="module">inner</span><span class="operator">::</span><span class="brace">{</span><span class="self_keyword">self</span> <span class="keyword">as</span> <span class="module declaration">inner_mod</span><span class="brace">}</span><span class="semicolon">;</span>
+<span class="keyword">mod</span> <span class="module declaration">inner</span> <span class="brace">{</span><span class="brace">}</span>
 
 <span class="attribute attribute">#</span><span class="attribute attribute">[</span><span class="function attribute">rustc_builtin_macro</span><span class="attribute attribute">]</span>
-<span class="keyword">macro</span> <span class="unresolved_reference declaration">Copy</span> <span class="punctuation">{</span><span class="punctuation">}</span>
+<span class="keyword">macro</span> <span class="unresolved_reference declaration">Copy</span> <span class="brace">{</span><span class="brace">}</span>
 
 <span class="comment">// Needed for function consuming vs normal</span>
-<span class="keyword">pub</span> <span class="keyword">mod</span> <span class="module declaration">marker</span> <span class="punctuation">{</span>
+<span class="keyword">pub</span> <span class="keyword">mod</span> <span class="module declaration">marker</span> <span class="brace">{</span>
     <span class="attribute attribute">#</span><span class="attribute attribute">[</span><span class="function attribute">lang</span><span class="attribute attribute"> </span><span class="operator attribute">=</span><span class="attribute attribute"> </span><span class="string_literal attribute">"copy"</span><span class="attribute attribute">]</span>
-    <span class="keyword">pub</span> <span class="keyword">trait</span> <span class="trait declaration">Copy</span> <span class="punctuation">{</span><span class="punctuation">}</span>
-<span class="punctuation">}</span>
+    <span class="keyword">pub</span> <span class="keyword">trait</span> <span class="trait declaration">Copy</span> <span class="brace">{</span><span class="brace">}</span>
+<span class="brace">}</span>
 
-<span class="keyword">pub</span> <span class="keyword">mod</span> <span class="module declaration">ops</span> <span class="punctuation">{</span>
+<span class="keyword">pub</span> <span class="keyword">mod</span> <span class="module declaration">ops</span> <span class="brace">{</span>
     <span class="attribute attribute">#</span><span class="attribute attribute">[</span><span class="function attribute">lang</span><span class="attribute attribute"> </span><span class="operator attribute">=</span><span class="attribute attribute"> </span><span class="string_literal attribute">"fn_once"</span><span class="attribute attribute">]</span>
-    <span class="keyword">pub</span> <span class="keyword">trait</span> <span class="trait declaration">FnOnce</span><span class="punctuation">&lt;</span><span class="type_param declaration">Args</span><span class="punctuation">&gt;</span> <span class="punctuation">{</span><span class="punctuation">}</span>
+    <span class="keyword">pub</span> <span class="keyword">trait</span> <span class="trait declaration">FnOnce</span><span class="angle">&lt;</span><span class="type_param declaration">Args</span><span class="angle">&gt;</span> <span class="brace">{</span><span class="brace">}</span>
 
     <span class="attribute attribute">#</span><span class="attribute attribute">[</span><span class="function attribute">lang</span><span class="attribute attribute"> </span><span class="operator attribute">=</span><span class="attribute attribute"> </span><span class="string_literal attribute">"fn_mut"</span><span class="attribute attribute">]</span>
-    <span class="keyword">pub</span> <span class="keyword">trait</span> <span class="trait declaration">FnMut</span><span class="punctuation">&lt;</span><span class="type_param declaration">Args</span><span class="punctuation">&gt;</span><span class="punctuation">:</span> <span class="trait">FnOnce</span><span class="punctuation">&lt;</span><span class="type_param">Args</span><span class="punctuation">&gt;</span> <span class="punctuation">{</span><span class="punctuation">}</span>
+    <span class="keyword">pub</span> <span class="keyword">trait</span> <span class="trait declaration">FnMut</span><span class="angle">&lt;</span><span class="type_param declaration">Args</span><span class="angle">&gt;</span><span class="colon">:</span> <span class="trait">FnOnce</span><span class="angle">&lt;</span><span class="type_param">Args</span><span class="angle">&gt;</span> <span class="brace">{</span><span class="brace">}</span>
 
     <span class="attribute attribute">#</span><span class="attribute attribute">[</span><span class="function attribute">lang</span><span class="attribute attribute"> </span><span class="operator attribute">=</span><span class="attribute attribute"> </span><span class="string_literal attribute">"fn"</span><span class="attribute attribute">]</span>
-    <span class="keyword">pub</span> <span class="keyword">trait</span> <span class="trait declaration">Fn</span><span class="punctuation">&lt;</span><span class="type_param declaration">Args</span><span class="punctuation">&gt;</span><span class="punctuation">:</span> <span class="trait">FnMut</span><span class="punctuation">&lt;</span><span class="type_param">Args</span><span class="punctuation">&gt;</span> <span class="punctuation">{</span><span class="punctuation">}</span>
-<span class="punctuation">}</span>
+    <span class="keyword">pub</span> <span class="keyword">trait</span> <span class="trait declaration">Fn</span><span class="angle">&lt;</span><span class="type_param declaration">Args</span><span class="angle">&gt;</span><span class="colon">:</span> <span class="trait">FnMut</span><span class="angle">&lt;</span><span class="type_param">Args</span><span class="angle">&gt;</span> <span class="brace">{</span><span class="brace">}</span>
+<span class="brace">}</span>
 
 
-<span class="keyword">struct</span> <span class="struct declaration">Foo</span> <span class="punctuation">{</span>
-    <span class="keyword">pub</span> <span class="field declaration">x</span><span class="punctuation">:</span> <span class="builtin_type">i32</span><span class="punctuation">,</span>
-    <span class="keyword">pub</span> <span class="field declaration">y</span><span class="punctuation">:</span> <span class="builtin_type">i32</span><span class="punctuation">,</span>
-<span class="punctuation">}</span>
+<span class="keyword">struct</span> <span class="struct declaration">Foo</span> <span class="brace">{</span>
+    <span class="keyword">pub</span> <span class="field declaration">x</span><span class="colon">:</span> <span class="builtin_type">i32</span><span class="comma">,</span>
+    <span class="keyword">pub</span> <span class="field declaration">y</span><span class="colon">:</span> <span class="builtin_type">i32</span><span class="comma">,</span>
+<span class="brace">}</span>
 
-<span class="keyword">trait</span> <span class="trait declaration">Bar</span> <span class="punctuation">{</span>
-    <span class="keyword">fn</span> <span class="function declaration associated">bar</span><span class="punctuation">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="punctuation">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">i32</span><span class="punctuation">;</span>
-<span class="punctuation">}</span>
+<span class="keyword">trait</span> <span class="trait declaration">Bar</span> <span class="brace">{</span>
+    <span class="keyword">fn</span> <span class="function declaration associated">bar</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">i32</span><span class="semicolon">;</span>
+<span class="brace">}</span>
 
-<span class="keyword">impl</span> <span class="trait">Bar</span> <span class="keyword">for</span> <span class="struct">Foo</span> <span class="punctuation">{</span>
-    <span class="keyword">fn</span> <span class="function declaration associated">bar</span><span class="punctuation">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="punctuation">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">i32</span> <span class="punctuation">{</span>
+<span class="keyword">impl</span> <span class="trait">Bar</span> <span class="keyword">for</span> <span class="struct">Foo</span> <span class="brace">{</span>
+    <span class="keyword">fn</span> <span class="function declaration associated">bar</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">i32</span> <span class="brace">{</span>
         <span class="self_keyword">self</span><span class="operator">.</span><span class="field">x</span>
-    <span class="punctuation">}</span>
-<span class="punctuation">}</span>
+    <span class="brace">}</span>
+<span class="brace">}</span>
 
-<span class="keyword">impl</span> <span class="struct">Foo</span> <span class="punctuation">{</span>
-    <span class="keyword">fn</span> <span class="function declaration associated">baz</span><span class="punctuation">(</span><span class="keyword">mut</span> <span class="self_keyword mutable">self</span><span class="punctuation">,</span> <span class="value_param declaration">f</span><span class="punctuation">:</span> <span class="struct">Foo</span><span class="punctuation">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">i32</span> <span class="punctuation">{</span>
-        <span class="value_param">f</span><span class="operator">.</span><span class="function consuming associated">baz</span><span class="punctuation">(</span><span class="self_keyword mutable consuming">self</span><span class="punctuation">)</span>
-    <span class="punctuation">}</span>
+<span class="keyword">impl</span> <span class="struct">Foo</span> <span class="brace">{</span>
+    <span class="keyword">fn</span> <span class="function declaration associated">baz</span><span class="parenthesis">(</span><span class="keyword">mut</span> <span class="self_keyword mutable">self</span><span class="comma">,</span> <span class="value_param declaration">f</span><span class="colon">:</span> <span class="struct">Foo</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">i32</span> <span class="brace">{</span>
+        <span class="value_param">f</span><span class="operator">.</span><span class="function consuming associated">baz</span><span class="parenthesis">(</span><span class="self_keyword mutable consuming">self</span><span class="parenthesis">)</span>
+    <span class="brace">}</span>
 
-    <span class="keyword">fn</span> <span class="function declaration associated">qux</span><span class="punctuation">(</span><span class="operator">&</span><span class="keyword">mut</span> <span class="self_keyword mutable">self</span><span class="punctuation">)</span> <span class="punctuation">{</span>
-        <span class="self_keyword mutable">self</span><span class="operator">.</span><span class="field">x</span> <span class="operator">=</span> <span class="numeric_literal">0</span><span class="punctuation">;</span>
-    <span class="punctuation">}</span>
+    <span class="keyword">fn</span> <span class="function declaration associated">qux</span><span class="parenthesis">(</span><span class="operator">&</span><span class="keyword">mut</span> <span class="self_keyword mutable">self</span><span class="parenthesis">)</span> <span class="brace">{</span>
+        <span class="self_keyword mutable">self</span><span class="operator">.</span><span class="field">x</span> <span class="operator">=</span> <span class="numeric_literal">0</span><span class="semicolon">;</span>
+    <span class="brace">}</span>
 
-    <span class="keyword">fn</span> <span class="function declaration associated">quop</span><span class="punctuation">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="punctuation">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">i32</span> <span class="punctuation">{</span>
+    <span class="keyword">fn</span> <span class="function declaration associated">quop</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">i32</span> <span class="brace">{</span>
         <span class="self_keyword">self</span><span class="operator">.</span><span class="field">x</span>
-    <span class="punctuation">}</span>
-<span class="punctuation">}</span>
+    <span class="brace">}</span>
+<span class="brace">}</span>
 
-<span class="attribute attribute">#</span><span class="attribute attribute">[</span><span class="function attribute">derive</span><span class="punctuation attribute">(</span><span class="attribute attribute">Copy</span><span class="punctuation attribute">)</span><span class="attribute attribute">]</span>
-<span class="keyword">struct</span> <span class="struct declaration">FooCopy</span> <span class="punctuation">{</span>
-    <span class="field declaration">x</span><span class="punctuation">:</span> <span class="builtin_type">u32</span><span class="punctuation">,</span>
-<span class="punctuation">}</span>
+<span class="attribute attribute">#</span><span class="attribute attribute">[</span><span class="function attribute">derive</span><span class="parenthesis attribute">(</span><span class="attribute attribute">Copy</span><span class="parenthesis attribute">)</span><span class="attribute attribute">]</span>
+<span class="keyword">struct</span> <span class="struct declaration">FooCopy</span> <span class="brace">{</span>
+    <span class="field declaration">x</span><span class="colon">:</span> <span class="builtin_type">u32</span><span class="comma">,</span>
+<span class="brace">}</span>
 
-<span class="keyword">impl</span> <span class="struct">FooCopy</span> <span class="punctuation">{</span>
-    <span class="keyword">fn</span> <span class="function declaration associated">baz</span><span class="punctuation">(</span><span class="self_keyword">self</span><span class="punctuation">,</span> <span class="value_param declaration">f</span><span class="punctuation">:</span> <span class="struct">FooCopy</span><span class="punctuation">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">u32</span> <span class="punctuation">{</span>
-        <span class="value_param">f</span><span class="operator">.</span><span class="function associated">baz</span><span class="punctuation">(</span><span class="self_keyword">self</span><span class="punctuation">)</span>
-    <span class="punctuation">}</span>
+<span class="keyword">impl</span> <span class="struct">FooCopy</span> <span class="brace">{</span>
+    <span class="keyword">fn</span> <span class="function declaration associated">baz</span><span class="parenthesis">(</span><span class="self_keyword">self</span><span class="comma">,</span> <span class="value_param declaration">f</span><span class="colon">:</span> <span class="struct">FooCopy</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">u32</span> <span class="brace">{</span>
+        <span class="value_param">f</span><span class="operator">.</span><span class="function associated">baz</span><span class="parenthesis">(</span><span class="self_keyword">self</span><span class="parenthesis">)</span>
+    <span class="brace">}</span>
 
-    <span class="keyword">fn</span> <span class="function declaration associated">qux</span><span class="punctuation">(</span><span class="operator">&</span><span class="keyword">mut</span> <span class="self_keyword mutable">self</span><span class="punctuation">)</span> <span class="punctuation">{</span>
-        <span class="self_keyword mutable">self</span><span class="operator">.</span><span class="field">x</span> <span class="operator">=</span> <span class="numeric_literal">0</span><span class="punctuation">;</span>
-    <span class="punctuation">}</span>
+    <span class="keyword">fn</span> <span class="function declaration associated">qux</span><span class="parenthesis">(</span><span class="operator">&</span><span class="keyword">mut</span> <span class="self_keyword mutable">self</span><span class="parenthesis">)</span> <span class="brace">{</span>
+        <span class="self_keyword mutable">self</span><span class="operator">.</span><span class="field">x</span> <span class="operator">=</span> <span class="numeric_literal">0</span><span class="semicolon">;</span>
+    <span class="brace">}</span>
 
-    <span class="keyword">fn</span> <span class="function declaration associated">quop</span><span class="punctuation">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="punctuation">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">u32</span> <span class="punctuation">{</span>
+    <span class="keyword">fn</span> <span class="function declaration associated">quop</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword">self</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">u32</span> <span class="brace">{</span>
         <span class="self_keyword">self</span><span class="operator">.</span><span class="field">x</span>
-    <span class="punctuation">}</span>
-<span class="punctuation">}</span>
+    <span class="brace">}</span>
+<span class="brace">}</span>
 
-<span class="keyword">static</span> <span class="keyword">mut</span> <span class="static declaration mutable unsafe">STATIC_MUT</span><span class="punctuation">:</span> <span class="builtin_type">i32</span> <span class="operator">=</span> <span class="numeric_literal">0</span><span class="punctuation">;</span>
+<span class="keyword">static</span> <span class="keyword">mut</span> <span class="static declaration mutable unsafe">STATIC_MUT</span><span class="colon">:</span> <span class="builtin_type">i32</span> <span class="operator">=</span> <span class="numeric_literal">0</span><span class="semicolon">;</span>
 
-<span class="keyword">fn</span> <span class="function declaration">foo</span><span class="punctuation">&lt;</span><span class="lifetime declaration">'a</span><span class="punctuation">,</span> <span class="type_param declaration">T</span><span class="punctuation">&gt;</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="operator">-&gt;</span> <span class="type_param">T</span> <span class="punctuation">{</span>
-    <span class="function">foo</span><span class="operator">::</span><span class="punctuation">&lt;</span><span class="lifetime">'a</span><span class="punctuation">,</span> <span class="builtin_type">i32</span><span class="punctuation">&gt;</span><span class="punctuation">(</span><span class="punctuation">)</span>
-<span class="punctuation">}</span>
+<span class="keyword">fn</span> <span class="function declaration">foo</span><span class="angle">&lt;</span><span class="lifetime declaration">'a</span><span class="comma">,</span> <span class="type_param declaration">T</span><span class="angle">&gt;</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="type_param">T</span> <span class="brace">{</span>
+    <span class="function">foo</span><span class="operator">::</span><span class="angle">&lt;</span><span class="lifetime">'a</span><span class="comma">,</span> <span class="builtin_type">i32</span><span class="angle">&gt;</span><span class="parenthesis">(</span><span class="parenthesis">)</span>
+<span class="brace">}</span>
 
-<span class="keyword">fn</span> <span class="function declaration">never</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">!</span> <span class="punctuation">{</span>
-    <span class="keyword control">loop</span> <span class="punctuation">{</span><span class="punctuation">}</span>
-<span class="punctuation">}</span>
+<span class="keyword">fn</span> <span class="function declaration">never</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">!</span> <span class="brace">{</span>
+    <span class="keyword control">loop</span> <span class="brace">{</span><span class="brace">}</span>
+<span class="brace">}</span>
 
-<span class="keyword">fn</span> <span class="function declaration">const_param</span><span class="punctuation">&lt;</span><span class="keyword">const</span> <span class="const_param declaration">FOO</span><span class="punctuation">:</span> <span class="builtin_type">usize</span><span class="punctuation">&gt;</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">usize</span> <span class="punctuation">{</span>
+<span class="keyword">fn</span> <span class="function declaration">const_param</span><span class="angle">&lt;</span><span class="keyword">const</span> <span class="const_param declaration">FOO</span><span class="colon">:</span> <span class="builtin_type">usize</span><span class="angle">&gt;</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">usize</span> <span class="brace">{</span>
     <span class="const_param">FOO</span>
-<span class="punctuation">}</span>
+<span class="brace">}</span>
 
-<span class="keyword">use</span> <span class="module">ops</span><span class="operator">::</span><span class="trait">Fn</span><span class="punctuation">;</span>
-<span class="keyword">fn</span> <span class="function declaration">baz</span><span class="punctuation">&lt;</span><span class="type_param declaration">F</span><span class="punctuation">:</span> <span class="trait">Fn</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="operator">-&gt;</span> <span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">&gt;</span><span class="punctuation">(</span><span class="value_param declaration callable">f</span><span class="punctuation">:</span> <span class="type_param">F</span><span class="punctuation">)</span> <span class="punctuation">{</span>
-    <span class="value_param callable">f</span><span class="punctuation">(</span><span class="punctuation">)</span>
-<span class="punctuation">}</span>
+<span class="keyword">use</span> <span class="module">ops</span><span class="operator">::</span><span class="trait">Fn</span><span class="semicolon">;</span>
+<span class="keyword">fn</span> <span class="function declaration">baz</span><span class="angle">&lt;</span><span class="type_param declaration">F</span><span class="colon">:</span> <span class="trait">Fn</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="parenthesis">(</span><span class="parenthesis">)</span><span class="angle">&gt;</span><span class="parenthesis">(</span><span class="value_param declaration callable">f</span><span class="colon">:</span> <span class="type_param">F</span><span class="parenthesis">)</span> <span class="brace">{</span>
+    <span class="value_param callable">f</span><span class="parenthesis">(</span><span class="parenthesis">)</span>
+<span class="brace">}</span>
 
-<span class="keyword">fn</span> <span class="function declaration">foobar</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="operator">-&gt;</span> <span class="keyword">impl</span> <span class="macro">Copy</span> <span class="punctuation">{</span><span class="punctuation">}</span>
+<span class="keyword">fn</span> <span class="function declaration">foobar</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="keyword">impl</span> <span class="macro">Copy</span> <span class="brace">{</span><span class="brace">}</span>
 
-<span class="keyword">fn</span> <span class="function declaration">foo</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span>
-    <span class="keyword">let</span> <span class="variable declaration">bar</span> <span class="operator">=</span> <span class="function">foobar</span><span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">;</span>
-<span class="punctuation">}</span>
+<span class="keyword">fn</span> <span class="function declaration">foo</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
+    <span class="keyword">let</span> <span class="variable declaration">bar</span> <span class="operator">=</span> <span class="function">foobar</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+<span class="brace">}</span>
 
-<span class="keyword">macro_rules</span><span class="punctuation">!</span> <span class="macro declaration">def_fn</span> <span class="punctuation">{</span>
-    <span class="punctuation">(</span><span class="punctuation">$</span><span class="punctuation">(</span><span class="punctuation">$</span>tt<span class="punctuation">:</span>tt<span class="punctuation">)</span><span class="punctuation">*</span><span class="punctuation">)</span> <span class="operator">=</span><span class="punctuation">&gt;</span> <span class="punctuation">{</span><span class="punctuation">$</span><span class="punctuation">(</span><span class="punctuation">$</span>tt<span class="punctuation">)</span><span class="punctuation">*</span><span class="punctuation">}</span>
-<span class="punctuation">}</span>
+<span class="keyword">macro_rules</span><span class="punctuation">!</span> <span class="macro declaration">def_fn</span> <span class="brace">{</span>
+    <span class="parenthesis">(</span><span class="punctuation">$</span><span class="parenthesis">(</span><span class="punctuation">$</span>tt<span class="colon">:</span>tt<span class="parenthesis">)</span><span class="punctuation">*</span><span class="parenthesis">)</span> <span class="operator">=</span><span class="angle">&gt;</span> <span class="brace">{</span><span class="punctuation">$</span><span class="parenthesis">(</span><span class="punctuation">$</span>tt<span class="parenthesis">)</span><span class="punctuation">*</span><span class="brace">}</span>
+<span class="brace">}</span>
 
-<span class="macro">def_fn!</span> <span class="punctuation">{</span>
-    <span class="keyword">fn</span> <span class="function declaration">bar</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="operator">-</span><span class="operator">&gt;</span> <span class="builtin_type">u32</span> <span class="punctuation">{</span>
+<span class="macro">def_fn!</span> <span class="brace">{</span>
+    <span class="keyword">fn</span> <span class="function declaration">bar</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="operator">-</span><span class="operator">&gt;</span> <span class="builtin_type">u32</span> <span class="brace">{</span>
         <span class="numeric_literal">100</span>
-    <span class="punctuation">}</span>
-<span class="punctuation">}</span>
+    <span class="brace">}</span>
+<span class="brace">}</span>
 
-<span class="keyword">macro_rules</span><span class="punctuation">!</span> <span class="macro declaration">noop</span> <span class="punctuation">{</span>
-    <span class="punctuation">(</span><span class="punctuation">$</span>expr<span class="punctuation">:</span>expr<span class="punctuation">)</span> <span class="operator">=</span><span class="punctuation">&gt;</span> <span class="punctuation">{</span>
+<span class="keyword">macro_rules</span><span class="punctuation">!</span> <span class="macro declaration">noop</span> <span class="brace">{</span>
+    <span class="parenthesis">(</span><span class="punctuation">$</span>expr<span class="colon">:</span>expr<span class="parenthesis">)</span> <span class="operator">=</span><span class="angle">&gt;</span> <span class="brace">{</span>
         <span class="punctuation">$</span>expr
-    <span class="punctuation">}</span>
-<span class="punctuation">}</span>
+    <span class="brace">}</span>
+<span class="brace">}</span>
 
-<span class="keyword">macro_rules</span><span class="punctuation">!</span> <span class="macro declaration">keyword_frag</span> <span class="punctuation">{</span>
-    <span class="punctuation">(</span><span class="punctuation">$</span>type<span class="punctuation">:</span>ty<span class="punctuation">)</span> <span class="operator">=</span><span class="punctuation">&gt;</span> <span class="punctuation">(</span><span class="punctuation">$</span>type<span class="punctuation">)</span>
-<span class="punctuation">}</span>
+<span class="keyword">macro_rules</span><span class="punctuation">!</span> <span class="macro declaration">keyword_frag</span> <span class="brace">{</span>
+    <span class="parenthesis">(</span><span class="punctuation">$</span>type<span class="colon">:</span>ty<span class="parenthesis">)</span> <span class="operator">=</span><span class="angle">&gt;</span> <span class="parenthesis">(</span><span class="punctuation">$</span>type<span class="parenthesis">)</span>
+<span class="brace">}</span>
 
 <span class="comment">// comment</span>
-<span class="keyword">fn</span> <span class="function declaration">main</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span>
-    <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"Hello, {}!"</span><span class="punctuation">,</span> <span class="numeric_literal">92</span><span class="punctuation">)</span><span class="punctuation">;</span>
-
-    <span class="keyword">let</span> <span class="keyword">mut</span> <span class="variable declaration mutable">vec</span> <span class="operator">=</span> <span class="unresolved_reference">Vec</span><span class="operator">::</span><span class="unresolved_reference">new</span><span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="keyword control">if</span> <span class="bool_literal">true</span> <span class="punctuation">{</span>
-        <span class="keyword">let</span> <span class="variable declaration">x</span> <span class="operator">=</span> <span class="numeric_literal">92</span><span class="punctuation">;</span>
-        <span class="variable mutable">vec</span><span class="operator">.</span><span class="unresolved_reference">push</span><span class="punctuation">(</span><span class="struct">Foo</span> <span class="punctuation">{</span> <span class="field">x</span><span class="punctuation">,</span> <span class="field">y</span><span class="punctuation">:</span> <span class="numeric_literal">1</span> <span class="punctuation">}</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="punctuation">}</span>
-    <span class="keyword unsafe">unsafe</span> <span class="punctuation">{</span>
-        <span class="variable mutable">vec</span><span class="operator">.</span><span class="unresolved_reference">set_len</span><span class="punctuation">(</span><span class="numeric_literal">0</span><span class="punctuation">)</span><span class="punctuation">;</span>
-        <span class="static mutable unsafe">STATIC_MUT</span> <span class="operator">=</span> <span class="numeric_literal">1</span><span class="punctuation">;</span>
-    <span class="punctuation">}</span>
-
-    <span class="keyword control">for</span> <span class="variable declaration">e</span> <span class="keyword control">in</span> <span class="variable mutable">vec</span> <span class="punctuation">{</span>
+<span class="keyword">fn</span> <span class="function declaration">main</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
+    <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"Hello, {}!"</span><span class="comma">,</span> <span class="numeric_literal">92</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+
+    <span class="keyword">let</span> <span class="keyword">mut</span> <span class="variable declaration mutable">vec</span> <span class="operator">=</span> <span class="unresolved_reference">Vec</span><span class="operator">::</span><span class="unresolved_reference">new</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="keyword control">if</span> <span class="bool_literal">true</span> <span class="brace">{</span>
+        <span class="keyword">let</span> <span class="variable declaration">x</span> <span class="operator">=</span> <span class="numeric_literal">92</span><span class="semicolon">;</span>
+        <span class="variable mutable">vec</span><span class="operator">.</span><span class="unresolved_reference">push</span><span class="parenthesis">(</span><span class="struct">Foo</span> <span class="brace">{</span> <span class="field">x</span><span class="comma">,</span> <span class="field">y</span><span class="colon">:</span> <span class="numeric_literal">1</span> <span class="brace">}</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="brace">}</span>
+    <span class="keyword unsafe">unsafe</span> <span class="brace">{</span>
+        <span class="variable mutable">vec</span><span class="operator">.</span><span class="unresolved_reference">set_len</span><span class="parenthesis">(</span><span class="numeric_literal">0</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+        <span class="static mutable unsafe">STATIC_MUT</span> <span class="operator">=</span> <span class="numeric_literal">1</span><span class="semicolon">;</span>
+    <span class="brace">}</span>
+
+    <span class="keyword control">for</span> <span class="variable declaration">e</span> <span class="keyword control">in</span> <span class="variable mutable">vec</span> <span class="brace">{</span>
         <span class="comment">// Do nothing</span>
-    <span class="punctuation">}</span>
+    <span class="brace">}</span>
 
-    <span class="macro">noop!</span><span class="punctuation">(</span><span class="macro">noop</span><span class="macro">!</span><span class="punctuation">(</span><span class="numeric_literal">1</span><span class="punctuation">)</span><span class="punctuation">)</span><span class="punctuation">;</span>
+    <span class="macro">noop!</span><span class="parenthesis">(</span><span class="macro">noop</span><span class="macro">!</span><span class="parenthesis">(</span><span class="numeric_literal">1</span><span class="parenthesis">)</span><span class="parenthesis">)</span><span class="semicolon">;</span>
 
-    <span class="keyword">let</span> <span class="keyword">mut</span> <span class="variable declaration mutable">x</span> <span class="operator">=</span> <span class="numeric_literal">42</span><span class="punctuation">;</span>
-    <span class="keyword">let</span> <span class="variable declaration mutable">y</span> <span class="operator">=</span> <span class="operator">&</span><span class="keyword">mut</span> <span class="variable mutable">x</span><span class="punctuation">;</span>
-    <span class="keyword">let</span> <span class="variable declaration">z</span> <span class="operator">=</span> <span class="operator">&</span><span class="variable mutable">y</span><span class="punctuation">;</span>
+    <span class="keyword">let</span> <span class="keyword">mut</span> <span class="variable declaration mutable">x</span> <span class="operator">=</span> <span class="numeric_literal">42</span><span class="semicolon">;</span>
+    <span class="keyword">let</span> <span class="variable declaration mutable">y</span> <span class="operator">=</span> <span class="operator">&</span><span class="keyword">mut</span> <span class="variable mutable">x</span><span class="semicolon">;</span>
+    <span class="keyword">let</span> <span class="variable declaration">z</span> <span class="operator">=</span> <span class="operator">&</span><span class="variable mutable">y</span><span class="semicolon">;</span>
 
-    <span class="keyword">let</span> <span class="struct">Foo</span> <span class="punctuation">{</span> <span class="field">x</span><span class="punctuation">:</span> <span class="variable declaration">z</span><span class="punctuation">,</span> <span class="field">y</span> <span class="punctuation">}</span> <span class="operator">=</span> <span class="struct">Foo</span> <span class="punctuation">{</span> <span class="field">x</span><span class="punctuation">:</span> <span class="variable">z</span><span class="punctuation">,</span> <span class="field">y</span> <span class="punctuation">}</span><span class="punctuation">;</span>
+    <span class="keyword">let</span> <span class="struct">Foo</span> <span class="brace">{</span> <span class="field">x</span><span class="colon">:</span> <span class="variable declaration">z</span><span class="comma">,</span> <span class="field">y</span> <span class="brace">}</span> <span class="operator">=</span> <span class="struct">Foo</span> <span class="brace">{</span> <span class="field">x</span><span class="colon">:</span> <span class="variable">z</span><span class="comma">,</span> <span class="field">y</span> <span class="brace">}</span><span class="semicolon">;</span>
 
-    <span class="variable">y</span><span class="punctuation">;</span>
+    <span class="variable">y</span><span class="semicolon">;</span>
 
-    <span class="keyword">let</span> <span class="keyword">mut</span> <span class="variable declaration mutable">foo</span> <span class="operator">=</span> <span class="struct">Foo</span> <span class="punctuation">{</span> <span class="field">x</span><span class="punctuation">,</span> <span class="field">y</span><span class="punctuation">:</span> <span class="variable mutable">x</span> <span class="punctuation">}</span><span class="punctuation">;</span>
-    <span class="keyword">let</span> <span class="variable declaration">foo2</span> <span class="operator">=</span> <span class="struct">Foo</span> <span class="punctuation">{</span> <span class="field">x</span><span class="punctuation">,</span> <span class="field">y</span><span class="punctuation">:</span> <span class="variable mutable">x</span> <span class="punctuation">}</span><span class="punctuation">;</span>
-    <span class="variable mutable">foo</span><span class="operator">.</span><span class="function associated">quop</span><span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="variable mutable">foo</span><span class="operator">.</span><span class="function mutable associated">qux</span><span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="variable mutable">foo</span><span class="operator">.</span><span class="function consuming associated">baz</span><span class="punctuation">(</span><span class="variable consuming">foo2</span><span class="punctuation">)</span><span class="punctuation">;</span>
+    <span class="keyword">let</span> <span class="keyword">mut</span> <span class="variable declaration mutable">foo</span> <span class="operator">=</span> <span class="struct">Foo</span> <span class="brace">{</span> <span class="field">x</span><span class="comma">,</span> <span class="field">y</span><span class="colon">:</span> <span class="variable mutable">x</span> <span class="brace">}</span><span class="semicolon">;</span>
+    <span class="keyword">let</span> <span class="variable declaration">foo2</span> <span class="operator">=</span> <span class="struct">Foo</span> <span class="brace">{</span> <span class="field">x</span><span class="comma">,</span> <span class="field">y</span><span class="colon">:</span> <span class="variable mutable">x</span> <span class="brace">}</span><span class="semicolon">;</span>
+    <span class="variable mutable">foo</span><span class="operator">.</span><span class="function associated">quop</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="variable mutable">foo</span><span class="operator">.</span><span class="function mutable associated">qux</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="variable mutable">foo</span><span class="operator">.</span><span class="function consuming associated">baz</span><span class="parenthesis">(</span><span class="variable consuming">foo2</span><span class="parenthesis">)</span><span class="semicolon">;</span>
 
-    <span class="keyword">let</span> <span class="keyword">mut</span> <span class="variable declaration mutable">copy</span> <span class="operator">=</span> <span class="struct">FooCopy</span> <span class="punctuation">{</span> <span class="field">x</span> <span class="punctuation">}</span><span class="punctuation">;</span>
-    <span class="variable mutable">copy</span><span class="operator">.</span><span class="function associated">quop</span><span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="variable mutable">copy</span><span class="operator">.</span><span class="function mutable associated">qux</span><span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="variable mutable">copy</span><span class="operator">.</span><span class="function associated">baz</span><span class="punctuation">(</span><span class="variable mutable">copy</span><span class="punctuation">)</span><span class="punctuation">;</span>
+    <span class="keyword">let</span> <span class="keyword">mut</span> <span class="variable declaration mutable">copy</span> <span class="operator">=</span> <span class="struct">FooCopy</span> <span class="brace">{</span> <span class="field">x</span> <span class="brace">}</span><span class="semicolon">;</span>
+    <span class="variable mutable">copy</span><span class="operator">.</span><span class="function associated">quop</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="variable mutable">copy</span><span class="operator">.</span><span class="function mutable associated">qux</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="variable mutable">copy</span><span class="operator">.</span><span class="function associated">baz</span><span class="parenthesis">(</span><span class="variable mutable">copy</span><span class="parenthesis">)</span><span class="semicolon">;</span>
 
-    <span class="keyword">let</span> <span class="variable declaration callable">a</span> <span class="operator">=</span> <span class="punctuation">|</span><span class="value_param declaration">x</span><span class="punctuation">|</span> <span class="value_param">x</span><span class="punctuation">;</span>
-    <span class="keyword">let</span> <span class="variable declaration callable">bar</span> <span class="operator">=</span> <span class="struct">Foo</span><span class="operator">::</span><span class="function associated">baz</span><span class="punctuation">;</span>
+    <span class="keyword">let</span> <span class="variable declaration callable">a</span> <span class="operator">=</span> <span class="punctuation">|</span><span class="value_param declaration">x</span><span class="punctuation">|</span> <span class="value_param">x</span><span class="semicolon">;</span>
+    <span class="keyword">let</span> <span class="variable declaration callable">bar</span> <span class="operator">=</span> <span class="struct">Foo</span><span class="operator">::</span><span class="function associated">baz</span><span class="semicolon">;</span>
 
-    <span class="keyword">let</span> <span class="variable declaration">baz</span> <span class="operator">=</span> <span class="numeric_literal">-</span><span class="numeric_literal">42</span><span class="punctuation">;</span>
-    <span class="keyword">let</span> <span class="variable declaration">baz</span> <span class="operator">=</span> <span class="operator">-</span><span class="variable">baz</span><span class="punctuation">;</span>
+    <span class="keyword">let</span> <span class="variable declaration">baz</span> <span class="operator">=</span> <span class="numeric_literal">-</span><span class="numeric_literal">42</span><span class="semicolon">;</span>
+    <span class="keyword">let</span> <span class="variable declaration">baz</span> <span class="operator">=</span> <span class="operator">-</span><span class="variable">baz</span><span class="semicolon">;</span>
 
-    <span class="keyword">let</span> <span class="punctuation">_</span> <span class="operator">=</span> <span class="operator">!</span><span class="bool_literal">true</span><span class="punctuation">;</span>
+    <span class="keyword">let</span> <span class="punctuation">_</span> <span class="operator">=</span> <span class="operator">!</span><span class="bool_literal">true</span><span class="semicolon">;</span>
 
-    <span class="label declaration">'foo</span><span class="punctuation">:</span> <span class="keyword control">loop</span> <span class="punctuation">{</span>
-        <span class="keyword control">break</span> <span class="label">'foo</span><span class="punctuation">;</span>
-        <span class="keyword control">continue</span> <span class="label">'foo</span><span class="punctuation">;</span>
-    <span class="punctuation">}</span>
-<span class="punctuation">}</span>
+    <span class="label declaration">'foo</span><span class="colon">:</span> <span class="keyword control">loop</span> <span class="brace">{</span>
+        <span class="keyword control">break</span> <span class="label">'foo</span><span class="semicolon">;</span>
+        <span class="keyword control">continue</span> <span class="label">'foo</span><span class="semicolon">;</span>
+    <span class="brace">}</span>
+<span class="brace">}</span>
 
-<span class="keyword">enum</span> <span class="enum declaration">Option</span><span class="punctuation">&lt;</span><span class="type_param declaration">T</span><span class="punctuation">&gt;</span> <span class="punctuation">{</span>
-    <span class="enum_variant declaration">Some</span><span class="punctuation">(</span><span class="type_param">T</span><span class="punctuation">)</span><span class="punctuation">,</span>
-    <span class="enum_variant declaration">None</span><span class="punctuation">,</span>
-<span class="punctuation">}</span>
-<span class="keyword">use</span> <span class="enum">Option</span><span class="operator">::</span><span class="punctuation">*</span><span class="punctuation">;</span>
+<span class="keyword">enum</span> <span class="enum declaration">Option</span><span class="angle">&lt;</span><span class="type_param declaration">T</span><span class="angle">&gt;</span> <span class="brace">{</span>
+    <span class="enum_variant declaration">Some</span><span class="parenthesis">(</span><span class="type_param">T</span><span class="parenthesis">)</span><span class="comma">,</span>
+    <span class="enum_variant declaration">None</span><span class="comma">,</span>
+<span class="brace">}</span>
+<span class="keyword">use</span> <span class="enum">Option</span><span class="operator">::</span><span class="punctuation">*</span><span class="semicolon">;</span>
 
-<span class="keyword">impl</span><span class="punctuation">&lt;</span><span class="type_param declaration">T</span><span class="punctuation">&gt;</span> <span class="enum">Option</span><span class="punctuation">&lt;</span><span class="type_param">T</span><span class="punctuation">&gt;</span> <span class="punctuation">{</span>
-    <span class="keyword">fn</span> <span class="function declaration associated">and</span><span class="punctuation">&lt;</span><span class="type_param declaration">U</span><span class="punctuation">&gt;</span><span class="punctuation">(</span><span class="self_keyword">self</span><span class="punctuation">,</span> <span class="value_param declaration">other</span><span class="punctuation">:</span> <span class="enum">Option</span><span class="punctuation">&lt;</span><span class="type_param">U</span><span class="punctuation">&gt;</span><span class="punctuation">)</span> <span class="operator">-&gt;</span> <span class="enum">Option</span><span class="punctuation">&lt;</span><span class="punctuation">(</span><span class="type_param">T</span><span class="punctuation">,</span> <span class="type_param">U</span><span class="punctuation">)</span><span class="punctuation">&gt;</span> <span class="punctuation">{</span>
-        <span class="keyword control">match</span> <span class="value_param">other</span> <span class="punctuation">{</span>
-            <span class="enum_variant">None</span> <span class="operator">=&gt;</span> <span class="macro">unimplemented!</span><span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">,</span>
-            <span class="variable declaration">Nope</span> <span class="operator">=&gt;</span> <span class="variable">Nope</span><span class="punctuation">,</span>
-        <span class="punctuation">}</span>
-    <span class="punctuation">}</span>
-<span class="punctuation">}</span></code></pre>
\ No newline at end of file
+<span class="keyword">impl</span><span class="angle">&lt;</span><span class="type_param declaration">T</span><span class="angle">&gt;</span> <span class="enum">Option</span><span class="angle">&lt;</span><span class="type_param">T</span><span class="angle">&gt;</span> <span class="brace">{</span>
+    <span class="keyword">fn</span> <span class="function declaration associated">and</span><span class="angle">&lt;</span><span class="type_param declaration">U</span><span class="angle">&gt;</span><span class="parenthesis">(</span><span class="self_keyword">self</span><span class="comma">,</span> <span class="value_param declaration">other</span><span class="colon">:</span> <span class="enum">Option</span><span class="angle">&lt;</span><span class="type_param">U</span><span class="angle">&gt;</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="enum">Option</span><span class="angle">&lt;</span><span class="parenthesis">(</span><span class="type_param">T</span><span class="comma">,</span> <span class="type_param">U</span><span class="parenthesis">)</span><span class="angle">&gt;</span> <span class="brace">{</span>
+        <span class="keyword control">match</span> <span class="value_param">other</span> <span class="brace">{</span>
+            <span class="enum_variant">None</span> <span class="operator">=&gt;</span> <span class="macro">unimplemented!</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="comma">,</span>
+            <span class="variable declaration">Nope</span> <span class="operator">=&gt;</span> <span class="variable">Nope</span><span class="comma">,</span>
+        <span class="brace">}</span>
+    <span class="brace">}</span>
+<span class="brace">}</span></code></pre>
\ No newline at end of file
diff --git a/crates/ide/src/syntax_highlighting/test_data/injection.html b/crates/ide/src/syntax_highlighting/test_data/injection.html
index a54d303b4..78dfec951 100644
--- a/crates/ide/src/syntax_highlighting/test_data/injection.html
+++ b/crates/ide/src/syntax_highlighting/test_data/injection.html
@@ -36,13 +36,13 @@ pre                 { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
 
 .unresolved_reference { color: #FC5555; text-decoration: wavy underline; }
 </style>
-<pre><code><span class="keyword">fn</span> <span class="function declaration">f</span><span class="punctuation">(</span><span class="value_param declaration">ra_fixture</span><span class="punctuation">:</span> <span class="operator">&</span><span class="builtin_type">str</span><span class="punctuation">)</span> <span class="punctuation">{</span><span class="punctuation">}</span>
-<span class="keyword">fn</span> <span class="function declaration">main</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span>
-    <span class="function">f</span><span class="punctuation">(</span><span class="string_literal">r"</span>
-<span class="keyword">fn</span> <span class="function declaration">foo</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span>
-    <span class="function">foo</span><span class="punctuation">(</span>$0<span class="punctuation">{</span>
+<pre><code><span class="keyword">fn</span> <span class="function declaration">f</span><span class="parenthesis">(</span><span class="value_param declaration">ra_fixture</span><span class="colon">:</span> <span class="operator">&</span><span class="builtin_type">str</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
+<span class="keyword">fn</span> <span class="function declaration">main</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
+    <span class="function">f</span><span class="parenthesis">(</span><span class="string_literal">r"</span>
+<span class="keyword">fn</span> <span class="function declaration">foo</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
+    <span class="function">foo</span><span class="parenthesis">(</span><span class="keyword">$0</span><span class="brace">{</span>
         <span class="numeric_literal">92</span>
-    <span class="punctuation">}</span>$0<span class="punctuation">)</span>
-<span class="punctuation">}</span><span class="string_literal">"</span><span class="punctuation">)</span><span class="punctuation">;</span>
-<span class="punctuation">}</span>
+    <span class="brace">}</span><span class="keyword">$0</span><span class="parenthesis">)</span>
+<span class="brace">}</span><span class="string_literal">"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+<span class="brace">}</span>
     </code></pre>
\ No newline at end of file
diff --git a/crates/ide/src/syntax_highlighting/test_data/rainbow_highlighting.html b/crates/ide/src/syntax_highlighting/test_data/rainbow_highlighting.html
index 8b3dfa69f..e64f2e5e9 100644
--- a/crates/ide/src/syntax_highlighting/test_data/rainbow_highlighting.html
+++ b/crates/ide/src/syntax_highlighting/test_data/rainbow_highlighting.html
@@ -36,15 +36,15 @@ pre                 { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
 
 .unresolved_reference { color: #FC5555; text-decoration: wavy underline; }
 </style>
-<pre><code><span class="keyword">fn</span> <span class="function declaration">main</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span>
-    <span class="keyword">let</span> <span class="variable declaration" data-binding-hash="8121853618659664005" style="color: hsl(273,88%,88%);">hello</span> <span class="operator">=</span> <span class="string_literal">"hello"</span><span class="punctuation">;</span>
-    <span class="keyword">let</span> <span class="variable declaration" data-binding-hash="2705725358298919760" style="color: hsl(76,47%,83%);">x</span> <span class="operator">=</span> <span class="variable" data-binding-hash="8121853618659664005" style="color: hsl(273,88%,88%);">hello</span><span class="operator">.</span><span class="unresolved_reference">to_string</span><span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">;</span>
-    <span class="keyword">let</span> <span class="variable declaration" data-binding-hash="3365759661443752373" style="color: hsl(15,86%,51%);">y</span> <span class="operator">=</span> <span class="variable" data-binding-hash="8121853618659664005" style="color: hsl(273,88%,88%);">hello</span><span class="operator">.</span><span class="unresolved_reference">to_string</span><span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">;</span>
+<pre><code><span class="keyword">fn</span> <span class="function declaration">main</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
+    <span class="keyword">let</span> <span class="variable declaration" data-binding-hash="8121853618659664005" style="color: hsl(273,88%,88%);">hello</span> <span class="operator">=</span> <span class="string_literal">"hello"</span><span class="semicolon">;</span>
+    <span class="keyword">let</span> <span class="variable declaration" data-binding-hash="2705725358298919760" style="color: hsl(76,47%,83%);">x</span> <span class="operator">=</span> <span class="variable" data-binding-hash="8121853618659664005" style="color: hsl(273,88%,88%);">hello</span><span class="operator">.</span><span class="unresolved_reference">to_string</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="keyword">let</span> <span class="variable declaration" data-binding-hash="3365759661443752373" style="color: hsl(15,86%,51%);">y</span> <span class="operator">=</span> <span class="variable" data-binding-hash="8121853618659664005" style="color: hsl(273,88%,88%);">hello</span><span class="operator">.</span><span class="unresolved_reference">to_string</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>
 
-    <span class="keyword">let</span> <span class="variable declaration" data-binding-hash="794745962933817518" style="color: hsl(127,71%,87%);">x</span> <span class="operator">=</span> <span class="string_literal">"other color please!"</span><span class="punctuation">;</span>
-    <span class="keyword">let</span> <span class="variable declaration" data-binding-hash="6717528807933952652" style="color: hsl(90,74%,79%);">y</span> <span class="operator">=</span> <span class="variable" data-binding-hash="794745962933817518" style="color: hsl(127,71%,87%);">x</span><span class="operator">.</span><span class="unresolved_reference">to_string</span><span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">;</span>
-<span class="punctuation">}</span>
+    <span class="keyword">let</span> <span class="variable declaration" data-binding-hash="794745962933817518" style="color: hsl(127,71%,87%);">x</span> <span class="operator">=</span> <span class="string_literal">"other color please!"</span><span class="semicolon">;</span>
+    <span class="keyword">let</span> <span class="variable declaration" data-binding-hash="6717528807933952652" style="color: hsl(90,74%,79%);">y</span> <span class="operator">=</span> <span class="variable" data-binding-hash="794745962933817518" style="color: hsl(127,71%,87%);">x</span><span class="operator">.</span><span class="unresolved_reference">to_string</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+<span class="brace">}</span>
 
-<span class="keyword">fn</span> <span class="function declaration">bar</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span>
-    <span class="keyword">let</span> <span class="keyword">mut</span> <span class="variable declaration mutable" data-binding-hash="8121853618659664005" style="color: hsl(273,88%,88%);">hello</span> <span class="operator">=</span> <span class="string_literal">"hello"</span><span class="punctuation">;</span>
-<span class="punctuation">}</span></code></pre>
\ No newline at end of file
+<span class="keyword">fn</span> <span class="function declaration">bar</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
+    <span class="keyword">let</span> <span class="keyword">mut</span> <span class="variable declaration mutable" data-binding-hash="8121853618659664005" style="color: hsl(273,88%,88%);">hello</span> <span class="operator">=</span> <span class="string_literal">"hello"</span><span class="semicolon">;</span>
+<span class="brace">}</span></code></pre>
\ No newline at end of file
diff --git a/crates/ide/src/syntax_highlighting/tests.rs b/crates/ide/src/syntax_highlighting/tests.rs
index 9e1a3974c..a62704c39 100644
--- a/crates/ide/src/syntax_highlighting/tests.rs
+++ b/crates/ide/src/syntax_highlighting/tests.rs
@@ -446,6 +446,11 @@ struct Foo {
 }
 
 impl Foo {
+    /// ```
+    /// let _ = "Call me
+    //    KILLER WHALE
+    ///     Ishmael.";
+    /// ```
     pub const bar: bool = true;
 
     /// Constructs a new `Foo`.
diff --git a/crates/ide_db/src/defs.rs b/crates/ide_db/src/defs.rs
index be1c64b03..d68fe42b0 100644
--- a/crates/ide_db/src/defs.rs
+++ b/crates/ide_db/src/defs.rs
@@ -6,8 +6,8 @@
 // FIXME: this badly needs rename/rewrite (matklad, 2020-02-06).
 
 use hir::{
-    db::HirDatabase, ConstParam, Crate, Field, HasVisibility, Impl, Label, LifetimeParam, Local,
-    MacroDef, Module, ModuleDef, Name, PathResolution, Semantics, TypeParam, Visibility,
+    db::HirDatabase, Crate, Field, GenericParam, HasVisibility, Impl, Label, Local, MacroDef,
+    Module, ModuleDef, Name, PathResolution, Semantics, Visibility,
 };
 use syntax::{
     ast::{self, AstNode},
@@ -24,9 +24,7 @@ pub enum Definition {
     ModuleDef(ModuleDef),
     SelfType(Impl),
     Local(Local),
-    TypeParam(TypeParam),
-    LifetimeParam(LifetimeParam),
-    ConstParam(ConstParam),
+    GenericParam(GenericParam),
     Label(Label),
 }
 
@@ -38,9 +36,7 @@ impl Definition {
             Definition::ModuleDef(it) => it.module(db),
             Definition::SelfType(it) => Some(it.module(db)),
             Definition::Local(it) => Some(it.module(db)),
-            Definition::TypeParam(it) => Some(it.module(db)),
-            Definition::LifetimeParam(it) => Some(it.module(db)),
-            Definition::ConstParam(it) => Some(it.module(db)),
+            Definition::GenericParam(it) => Some(it.module(db)),
             Definition::Label(it) => Some(it.module(db)),
         }
     }
@@ -52,9 +48,7 @@ impl Definition {
             Definition::ModuleDef(def) => def.definition_visibility(db),
             Definition::SelfType(_) => None,
             Definition::Local(_) => None,
-            Definition::TypeParam(_) => None,
-            Definition::LifetimeParam(_) => None,
-            Definition::ConstParam(_) => None,
+            Definition::GenericParam(_) => None,
             Definition::Label(_) => None,
         }
     }
@@ -80,9 +74,7 @@ impl Definition {
             },
             Definition::SelfType(_) => return None,
             Definition::Local(it) => it.name(db)?,
-            Definition::TypeParam(it) => it.name(db),
-            Definition::LifetimeParam(it) => it.name(db),
-            Definition::ConstParam(it) => it.name(db),
+            Definition::GenericParam(it) => it.name(db),
             Definition::Label(it) => it.name(db),
         };
         Some(name)
@@ -235,11 +227,11 @@ impl NameClass {
                 },
                 ast::TypeParam(it) => {
                     let def = sema.to_def(&it)?;
-                    Some(NameClass::Definition(Definition::TypeParam(def)))
+                    Some(NameClass::Definition(Definition::GenericParam(def.into())))
                 },
                 ast::ConstParam(it) => {
                     let def = sema.to_def(&it)?;
-                    Some(NameClass::Definition(Definition::ConstParam(def)))
+                    Some(NameClass::Definition(Definition::GenericParam(def.into())))
                 },
                 _ => None,
             }
@@ -257,7 +249,7 @@ impl NameClass {
             match parent {
                 ast::LifetimeParam(it) => {
                     let def = sema.to_def(&it)?;
-                    Some(NameClass::Definition(Definition::LifetimeParam(def)))
+                    Some(NameClass::Definition(Definition::GenericParam(def.into())))
                 },
                 ast::Label(it) => {
                     let def = sema.to_def(&it)?;
@@ -393,7 +385,8 @@ impl NameRefClass {
             | SyntaxKind::WHERE_PRED
             | SyntaxKind::REF_TYPE => sema
                 .resolve_lifetime_param(lifetime)
-                .map(Definition::LifetimeParam)
+                .map(GenericParam::LifetimeParam)
+                .map(Definition::GenericParam)
                 .map(NameRefClass::Definition),
             // lifetime bounds, as in the 'b in 'a: 'b aren't wrapped in TypeBound nodes so we gotta check
             // if our lifetime is in a LifetimeParam without being the constrained lifetime
@@ -401,7 +394,8 @@ impl NameRefClass {
                 != Some(lifetime) =>
             {
                 sema.resolve_lifetime_param(lifetime)
-                    .map(Definition::LifetimeParam)
+                    .map(GenericParam::LifetimeParam)
+                    .map(Definition::GenericParam)
                     .map(NameRefClass::Definition)
             }
             _ => None,
@@ -422,10 +416,10 @@ impl From<PathResolution> for Definition {
                 Definition::ModuleDef(def)
             }
             PathResolution::Local(local) => Definition::Local(local),
-            PathResolution::TypeParam(par) => Definition::TypeParam(par),
+            PathResolution::TypeParam(par) => Definition::GenericParam(par.into()),
             PathResolution::Macro(def) => Definition::Macro(def),
             PathResolution::SelfType(impl_def) => Definition::SelfType(impl_def),
-            PathResolution::ConstParam(par) => Definition::ConstParam(par),
+            PathResolution::ConstParam(par) => Definition::GenericParam(par.into()),
         }
     }
 }
diff --git a/crates/ide_db/src/imports_locator.rs b/crates/ide_db/src/imports_locator.rs
index 0782ab070..e9f23adf8 100644
--- a/crates/ide_db/src/imports_locator.rs
+++ b/crates/ide_db/src/imports_locator.rs
@@ -1,4 +1,4 @@
-//! This module contains an import search funcionality that is provided to the assists module.
+//! This module contains an import search functionality that is provided to the assists module.
 //! Later, this should be moved away to a separate crate that is accessible from the assists module.
 
 use hir::{import_map, AsAssocItem, Crate, MacroDef, ModuleDef, Semantics};
diff --git a/crates/ide_db/src/search.rs b/crates/ide_db/src/search.rs
index 37b06027c..773bfbc2c 100644
--- a/crates/ide_db/src/search.rs
+++ b/crates/ide_db/src/search.rs
@@ -136,7 +136,7 @@ impl Definition {
             return SearchScope::new(res);
         }
 
-        if let Definition::LifetimeParam(param) = self {
+        if let Definition::GenericParam(hir::GenericParam::LifetimeParam(param)) = self {
             let range = match param.parent(db) {
                 hir::GenericDef::Function(it) => {
                     it.source(db).and_then(|src| Some(src.value.syntax().text_range()))
diff --git a/crates/mbe/src/lib.rs b/crates/mbe/src/lib.rs
index b3472879d..19543d777 100644
--- a/crates/mbe/src/lib.rs
+++ b/crates/mbe/src/lib.rs
@@ -24,7 +24,7 @@ use crate::{
 #[derive(Debug, PartialEq, Eq)]
 pub enum ParseError {
     Expected(String),
-    RepetitionEmtpyTokenTree,
+    RepetitionEmptyTokenTree,
 }
 
 #[derive(Debug, PartialEq, Eq, Clone)]
@@ -270,7 +270,7 @@ fn validate(pattern: &MetaTemplate) -> Result<(), ParseError> {
                         }
                         false
                     }) {
-                        return Err(ParseError::RepetitionEmtpyTokenTree);
+                        return Err(ParseError::RepetitionEmptyTokenTree);
                     }
                 }
                 validate(subtree)?
diff --git a/crates/mbe/src/mbe_expander/matcher.rs b/crates/mbe/src/mbe_expander/matcher.rs
index c6d615c81..d32e60521 100644
--- a/crates/mbe/src/mbe_expander/matcher.rs
+++ b/crates/mbe/src/mbe_expander/matcher.rs
@@ -378,7 +378,7 @@ pub(super) fn match_repeat(
     src: &mut TtIter,
 ) -> Result<(), ExpandError> {
     // Dirty hack to make macro-expansion terminate.
-    // This should be replaced by a propper macro-by-example implementation
+    // This should be replaced by a proper macro-by-example implementation
     let mut limit = 65536;
     let mut counter = 0;
 
diff --git a/crates/mbe/src/mbe_expander/transcriber.rs b/crates/mbe/src/mbe_expander/transcriber.rs
index 27b2ac777..59a3c80a8 100644
--- a/crates/mbe/src/mbe_expander/transcriber.rs
+++ b/crates/mbe/src/mbe_expander/transcriber.rs
@@ -67,7 +67,7 @@ struct NestingState {
     /// because there is no variable in use by the current repetition
     hit: bool,
     /// `at_end` is currently necessary to tell `expand_repeat` if it should stop
-    /// because there is no more value avaible for the current repetition
+    /// because there is no more value available for the current repetition
     at_end: bool,
 }
 
@@ -179,11 +179,7 @@ fn expand_repeat(
 
         counter += 1;
         if counter == limit {
-            log::warn!(
-                "expand_tt excced in repeat pattern exceed limit => {:#?}\n{:#?}",
-                template,
-                ctx
-            );
+            log::warn!("expand_tt in repeat pattern exceed limit => {:#?}\n{:#?}", template, ctx);
             break;
         }
 
diff --git a/crates/mbe/src/syntax_bridge.rs b/crates/mbe/src/syntax_bridge.rs
index 671036e1c..e648519f9 100644
--- a/crates/mbe/src/syntax_bridge.rs
+++ b/crates/mbe/src/syntax_bridge.rs
@@ -149,7 +149,7 @@ impl TokenMap {
     }
 
     fn remove_delim(&mut self, idx: usize) {
-        // FIXME: This could be accidently quadratic
+        // FIXME: This could be accidentally quadratic
         self.entries.remove(idx);
     }
 }
@@ -476,14 +476,14 @@ impl Convertor {
 
 #[derive(Debug)]
 enum SynToken {
-    Ordiniary(SyntaxToken),
+    Ordinary(SyntaxToken),
     Punch(SyntaxToken, TextSize),
 }
 
 impl SynToken {
     fn token(&self) -> &SyntaxToken {
         match self {
-            SynToken::Ordiniary(it) => it,
+            SynToken::Ordinary(it) => it,
             SynToken::Punch(it, _) => it,
         }
     }
@@ -495,7 +495,7 @@ impl SrcToken for SynToken {
     }
     fn to_char(&self) -> Option<char> {
         match self {
-            SynToken::Ordiniary(_) => None,
+            SynToken::Ordinary(_) => None,
             SynToken::Punch(it, i) => it.text().chars().nth((*i).into()),
         }
     }
@@ -535,7 +535,7 @@ impl TokenConvertor for Convertor {
         } else {
             self.punct_offset = None;
             let range = curr.text_range();
-            (SynToken::Ordiniary(curr), range)
+            (SynToken::Ordinary(curr), range)
         };
 
         Some(token)
@@ -557,7 +557,7 @@ impl TokenConvertor for Convertor {
         let token = if curr.kind().is_punct() {
             SynToken::Punch(curr, 0.into())
         } else {
-            SynToken::Ordiniary(curr)
+            SynToken::Ordinary(curr)
         };
         Some(token)
     }
diff --git a/crates/mbe/src/tests.rs b/crates/mbe/src/tests.rs
index d854985c5..ecea15c11 100644
--- a/crates/mbe/src/tests.rs
+++ b/crates/mbe/src/tests.rs
@@ -1967,7 +1967,7 @@ fn test_no_space_after_semi_colon() {
 #[test]
 fn test_rustc_issue_57597() {
     fn test_error(fixture: &str) {
-        assert_eq!(parse_macro_error(fixture), ParseError::RepetitionEmtpyTokenTree);
+        assert_eq!(parse_macro_error(fixture), ParseError::RepetitionEmptyTokenTree);
     }
 
     test_error("macro_rules! foo { ($($($i:ident)?)+) => {}; }");
diff --git a/crates/parser/src/grammar/expressions/atom.rs b/crates/parser/src/grammar/expressions/atom.rs
index c7a3556a7..d61950b96 100644
--- a/crates/parser/src/grammar/expressions/atom.rs
+++ b/crates/parser/src/grammar/expressions/atom.rs
@@ -15,8 +15,16 @@ use super::*;
 //     let _ = b"e";
 //     let _ = br"f";
 // }
-pub(crate) const LITERAL_FIRST: TokenSet =
-    TokenSet::new(&[TRUE_KW, FALSE_KW, INT_NUMBER, FLOAT_NUMBER, BYTE, CHAR, STRING, BYTE_STRING]);
+pub(crate) const LITERAL_FIRST: TokenSet = TokenSet::new(&[
+    T![true],
+    T![false],
+    INT_NUMBER,
+    FLOAT_NUMBER,
+    BYTE,
+    CHAR,
+    STRING,
+    BYTE_STRING,
+]);
 
 pub(crate) fn literal(p: &mut Parser) -> Option<CompletedMarker> {
     if !p.at_ts(LITERAL_FIRST) {
diff --git a/crates/parser/src/grammar/items.rs b/crates/parser/src/grammar/items.rs
index cf4168d32..2070ce163 100644
--- a/crates/parser/src/grammar/items.rs
+++ b/crates/parser/src/grammar/items.rs
@@ -27,19 +27,19 @@ pub(super) fn mod_contents(p: &mut Parser, stop_on_r_curly: bool) {
 }
 
 pub(super) const ITEM_RECOVERY_SET: TokenSet = TokenSet::new(&[
-    FN_KW,
-    STRUCT_KW,
-    ENUM_KW,
-    IMPL_KW,
-    TRAIT_KW,
-    CONST_KW,
-    STATIC_KW,
-    LET_KW,
-    MOD_KW,
-    PUB_KW,
-    CRATE_KW,
-    USE_KW,
-    MACRO_KW,
+    T![fn],
+    T![struct],
+    T![enum],
+    T![impl],
+    T![trait],
+    T![const],
+    T![static],
+    T![let],
+    T![mod],
+    T![pub],
+    T![crate],
+    T![use],
+    T![macro],
     T![;],
 ]);
 
diff --git a/crates/parser/src/grammar/items/traits.rs b/crates/parser/src/grammar/items/traits.rs
index ab9a12b4d..d076974ed 100644
--- a/crates/parser/src/grammar/items/traits.rs
+++ b/crates/parser/src/grammar/items/traits.rs
@@ -110,7 +110,7 @@ fn choose_type_params_over_qpath(p: &Parser) -> bool {
     if !p.at(T![<]) {
         return false;
     }
-    if p.nth(1) == T![#] || p.nth(1) == T![>] || p.nth(1) == CONST_KW {
+    if p.nth(1) == T![#] || p.nth(1) == T![>] || p.nth(1) == T![const] {
         return true;
     }
     (p.nth(1) == LIFETIME_IDENT || p.nth(1) == IDENT)
diff --git a/crates/parser/src/grammar/items/use_item.rs b/crates/parser/src/grammar/items/use_item.rs
index 20e6a13cf..5cb8b08e7 100644
--- a/crates/parser/src/grammar/items/use_item.rs
+++ b/crates/parser/src/grammar/items/use_item.rs
@@ -46,7 +46,7 @@ fn use_tree(p: &mut Parser, top_level: bool) {
         // test use_tree_list
         // use {crate::path::from::root, or::path::from::crate_name}; // Rust 2018 (with a crate named `or`)
         // use {path::from::root}; // Rust 2015
-        // use ::{some::arbritrary::path}; // Rust 2015
+        // use ::{some::arbitrary::path}; // Rust 2015
         // use ::{{{root::export}}}; // Nonsensical but perfectly legal nesting
         T!['{'] => {
             use_tree_list(p);
diff --git a/crates/parser/src/grammar/patterns.rs b/crates/parser/src/grammar/patterns.rs
index b53d5749f..da71498a8 100644
--- a/crates/parser/src/grammar/patterns.rs
+++ b/crates/parser/src/grammar/patterns.rs
@@ -83,7 +83,7 @@ fn pattern_single_r(p: &mut Parser, recovery_set: TokenSet) {
 }
 
 const PAT_RECOVERY_SET: TokenSet =
-    TokenSet::new(&[LET_KW, IF_KW, WHILE_KW, LOOP_KW, MATCH_KW, R_PAREN, COMMA]);
+    TokenSet::new(&[T![let], T![if], T![while], T![loop], T![match], T![')'], T![,]]);
 
 fn atom_pat(p: &mut Parser, recovery_set: TokenSet) -> Option<CompletedMarker> {
     let m = match p.nth(0) {
diff --git a/crates/parser/src/grammar/type_args.rs b/crates/parser/src/grammar/type_args.rs
index a013c49b9..42cd426bd 100644
--- a/crates/parser/src/grammar/type_args.rs
+++ b/crates/parser/src/grammar/type_args.rs
@@ -26,7 +26,7 @@ pub(super) fn opt_generic_arg_list(p: &mut Parser, colon_colon_required: bool) {
 }
 
 // test type_arg
-// type A = B<'static, i32, 1, { 2 }, Item=u64>;
+// type A = B<'static, i32, 1, { 2 }, Item=u64, true, false>;
 fn generic_arg(p: &mut Parser) {
     let m = p.start();
     match p.current() {
@@ -55,6 +55,10 @@ fn generic_arg(p: &mut Parser) {
             expressions::literal(p);
             m.complete(p, CONST_ARG);
         }
+        T![true] | T![false] => {
+            expressions::literal(p);
+            m.complete(p, CONST_ARG);
+        }
         _ => {
             types::type_(p);
             m.complete(p, TYPE_ARG);
diff --git a/crates/parser/src/grammar/type_params.rs b/crates/parser/src/grammar/type_params.rs
index 4aeccd193..3de5248da 100644
--- a/crates/parser/src/grammar/type_params.rs
+++ b/crates/parser/src/grammar/type_params.rs
@@ -25,7 +25,7 @@ fn generic_param_list(p: &mut Parser) {
         match p.current() {
             LIFETIME_IDENT => lifetime_param(p, m),
             IDENT => type_param(p, m),
-            CONST_KW => const_param(p, m),
+            T![const] => const_param(p, m),
             _ => {
                 m.abandon(p);
                 p.err_and_bump("expected type parameter")
@@ -66,7 +66,7 @@ fn type_param(p: &mut Parser, m: Marker) {
 // test const_param
 // struct S<const N: u32>;
 fn const_param(p: &mut Parser, m: Marker) {
-    assert!(p.at(CONST_KW));
+    assert!(p.at(T![const]));
     p.bump(T![const]);
     name(p);
     types::ascription(p);
diff --git a/crates/proc_macro_api/src/msg.rs b/crates/proc_macro_api/src/msg.rs
index 4cd572101..970f165ed 100644
--- a/crates/proc_macro_api/src/msg.rs
+++ b/crates/proc_macro_api/src/msg.rs
@@ -79,7 +79,7 @@ impl Message for Response {}
 fn read_json(inp: &mut impl BufRead) -> io::Result<Option<String>> {
     let mut buf = String::new();
     inp.read_line(&mut buf)?;
-    buf.pop(); // Remove traling '\n'
+    buf.pop(); // Remove trailing '\n'
     Ok(match buf.len() {
         0 => None,
         _ => Some(buf),
diff --git a/crates/proc_macro_srv/Cargo.toml b/crates/proc_macro_srv/Cargo.toml
index f78c17194..83f9ead17 100644
--- a/crates/proc_macro_srv/Cargo.toml
+++ b/crates/proc_macro_srv/Cargo.toml
@@ -20,7 +20,7 @@ proc_macro_api = { path = "../proc_macro_api", version = "0.0.0" }
 test_utils = { path = "../test_utils", version = "0.0.0" }
 
 [dev-dependencies]
-cargo_metadata = "=0.12.0"
+cargo_metadata = "0.12.2"
 
 # used as proc macro test targets
 serde_derive = "1.0.106"
diff --git a/crates/proc_macro_srv/src/proc_macro/bridge/rpc.rs b/crates/proc_macro_srv/src/proc_macro/bridge/rpc.rs
index 3528d5c99..bd1e7c2fc 100644
--- a/crates/proc_macro_srv/src/proc_macro/bridge/rpc.rs
+++ b/crates/proc_macro_srv/src/proc_macro/bridge/rpc.rs
@@ -251,7 +251,7 @@ impl<S> DecodeMut<'_, '_, S> for String {
     }
 }
 
-/// Simplied version of panic payloads, ignoring
+/// Simplified version of panic payloads, ignoring
 /// types other than `&'static str` and `String`.
 #[derive(Debug)]
 pub enum PanicMessage {
diff --git a/crates/proc_macro_srv/src/rustc_server.rs b/crates/proc_macro_srv/src/rustc_server.rs
index b54aa1f3b..e6006a3c8 100644
--- a/crates/proc_macro_srv/src/rustc_server.rs
+++ b/crates/proc_macro_srv/src/rustc_server.rs
@@ -4,7 +4,7 @@
 //! The lib-proc-macro server backend is `TokenStream`-agnostic, such that
 //! we could provide any TokenStream implementation.
 //! The original idea from fedochet is using proc-macro2 as backend,
-//! we use tt instead for better intergation with RA.
+//! we use tt instead for better integration with RA.
 //!
 //! FIXME: No span and source file information is implemented yet
 
diff --git a/crates/project_model/Cargo.toml b/crates/project_model/Cargo.toml
index a65e42261..855fb83ea 100644
--- a/crates/project_model/Cargo.toml
+++ b/crates/project_model/Cargo.toml
@@ -12,7 +12,7 @@ doctest = false
 [dependencies]
 log = "0.4.8"
 rustc-hash = "1.1.0"
-cargo_metadata = "=0.12.0"
+cargo_metadata = "0.12.2"
 serde = { version = "1.0.106", features = ["derive"] }
 serde_json = "1.0.48"
 anyhow = "1.0.26"
diff --git a/crates/rust-analyzer/src/cli/analysis_stats.rs b/crates/rust-analyzer/src/cli/analysis_stats.rs
index 9445aec07..30811bbbf 100644
--- a/crates/rust-analyzer/src/cli/analysis_stats.rs
+++ b/crates/rust-analyzer/src/cli/analysis_stats.rs
@@ -302,7 +302,7 @@ impl AnalysisStatsCmd {
             report_metric("total memory", memory.allocated.megabytes() as u64, "MB");
         }
 
-        if self.memory_usage {
+        if self.memory_usage && verbosity.is_verbose() {
             print_memory_usage(host, vfs);
         }
 
diff --git a/crates/rust-analyzer/src/config.rs b/crates/rust-analyzer/src/config.rs
index 2d3e25cbf..27b92a5a9 100644
--- a/crates/rust-analyzer/src/config.rs
+++ b/crates/rust-analyzer/src/config.rs
@@ -334,6 +334,18 @@ impl Config {
         }
     }
 
+    pub fn did_save_text_document_dynamic_registration(&self) -> bool {
+        let caps =
+            try_or!(self.caps.text_document.as_ref()?.synchronization.clone()?, Default::default());
+        caps.did_save == Some(true) && caps.dynamic_registration == Some(true)
+    }
+    pub fn did_change_watched_files_dynamic_registration(&self) -> bool {
+        try_or!(
+            self.caps.workspace.as_ref()?.did_change_watched_files.as_ref()?.dynamic_registration?,
+            false
+        )
+    }
+
     pub fn location_link(&self) -> bool {
         try_or!(self.caps.text_document.as_ref()?.definition?.link_support?, false)
     }
diff --git a/crates/rust-analyzer/src/global_state.rs b/crates/rust-analyzer/src/global_state.rs
index 1f6bf1c8c..442fbd14c 100644
--- a/crates/rust-analyzer/src/global_state.rs
+++ b/crates/rust-analyzer/src/global_state.rs
@@ -22,6 +22,7 @@ use crate::{
     from_proto,
     line_endings::LineEndings,
     main_loop::Task,
+    op_queue::OpQueue,
     reload::SourceRootConfig,
     request_metrics::{LatestRequests, RequestMetrics},
     thread_pool::TaskPool,
@@ -78,6 +79,7 @@ pub(crate) struct GlobalState {
     pub(crate) source_root_config: SourceRootConfig,
     pub(crate) proc_macro_client: Option<ProcMacroClient>,
     pub(crate) workspaces: Arc<Vec<ProjectWorkspace>>,
+    pub(crate) fetch_workspaces_queue: OpQueue,
     latest_requests: Arc<RwLock<LatestRequests>>,
 }
 
@@ -130,6 +132,7 @@ impl GlobalState {
             source_root_config: SourceRootConfig::default(),
             proc_macro_client: None,
             workspaces: Arc::new(Vec::new()),
+            fetch_workspaces_queue: OpQueue::default(),
             latest_requests: Default::default(),
         }
     }
diff --git a/crates/rust-analyzer/src/lib.rs b/crates/rust-analyzer/src/lib.rs
index c9494e300..2207b9a87 100644
--- a/crates/rust-analyzer/src/lib.rs
+++ b/crates/rust-analyzer/src/lib.rs
@@ -35,6 +35,7 @@ mod lsp_utils;
 mod thread_pool;
 mod document;
 mod diff;
+mod op_queue;
 pub mod lsp_ext;
 pub mod config;
 
diff --git a/crates/rust-analyzer/src/lsp_utils.rs b/crates/rust-analyzer/src/lsp_utils.rs
index 40de56dad..2d06fe538 100644
--- a/crates/rust-analyzer/src/lsp_utils.rs
+++ b/crates/rust-analyzer/src/lsp_utils.rs
@@ -130,7 +130,7 @@ pub(crate) fn apply_document_changes(
 }
 
 /// Checks that the edits inside the completion and the additional edits do not overlap.
-/// LSP explicitly forbits the additional edits to overlap both with the main edit and themselves.
+/// LSP explicitly forbids the additional edits to overlap both with the main edit and themselves.
 pub(crate) fn all_edits_are_disjoint(
     completion: &lsp_types::CompletionItem,
     additional_edits: &[lsp_types::TextEdit],
@@ -290,7 +290,7 @@ mod tests {
             Some(vec![disjoint_edit.clone(), joint_edit.clone()]);
         assert!(
             !all_edits_are_disjoint(&completion_with_joint_edits, &[]),
-            "Completion with disjoint edits fails the validaton even with empty extra edits"
+            "Completion with disjoint edits fails the validation even with empty extra edits"
         );
 
         completion_with_joint_edits.text_edit =
@@ -298,7 +298,7 @@ mod tests {
         completion_with_joint_edits.additional_text_edits = Some(vec![joint_edit.clone()]);
         assert!(
             !all_edits_are_disjoint(&completion_with_joint_edits, &[]),
-            "Completion with disjoint edits fails the validaton even with empty extra edits"
+            "Completion with disjoint edits fails the validation even with empty extra edits"
         );
 
         completion_with_joint_edits.text_edit =
@@ -310,7 +310,7 @@ mod tests {
         completion_with_joint_edits.additional_text_edits = None;
         assert!(
             !all_edits_are_disjoint(&completion_with_joint_edits, &[]),
-            "Completion with disjoint edits fails the validaton even with empty extra edits"
+            "Completion with disjoint edits fails the validation even with empty extra edits"
         );
 
         completion_with_joint_edits.text_edit =
@@ -322,7 +322,7 @@ mod tests {
         completion_with_joint_edits.additional_text_edits = Some(vec![joint_edit]);
         assert!(
             !all_edits_are_disjoint(&completion_with_joint_edits, &[]),
-            "Completion with disjoint edits fails the validaton even with empty extra edits"
+            "Completion with disjoint edits fails the validation even with empty extra edits"
         );
     }
 
diff --git a/crates/rust-analyzer/src/main_loop.rs b/crates/rust-analyzer/src/main_loop.rs
index 22ee96775..6d2475a59 100644
--- a/crates/rust-analyzer/src/main_loop.rs
+++ b/crates/rust-analyzer/src/main_loop.rs
@@ -11,7 +11,6 @@ use ide::{Canceled, FileId};
 use ide_db::base_db::VfsPath;
 use lsp_server::{Connection, Notification, Request, Response};
 use lsp_types::notification::Notification as _;
-use project_model::ProjectWorkspace;
 use vfs::ChangeKind;
 
 use crate::{
@@ -62,7 +61,6 @@ enum Event {
 pub(crate) enum Task {
     Response(Response),
     Diagnostics(Vec<(FileId, Vec<lsp_types::Diagnostic>)>),
-    Workspaces(Vec<anyhow::Result<ProjectWorkspace>>),
     PrimeCaches(PrimeCachesProgress),
     FetchWorkspace(ProjectWorkspaceProgress),
 }
@@ -110,40 +108,43 @@ impl GlobalState {
             );
         };
 
-        let save_registration_options = lsp_types::TextDocumentSaveRegistrationOptions {
-            include_text: Some(false),
-            text_document_registration_options: lsp_types::TextDocumentRegistrationOptions {
-                document_selector: Some(vec![
-                    lsp_types::DocumentFilter {
-                        language: None,
-                        scheme: None,
-                        pattern: Some("**/*.rs".into()),
-                    },
-                    lsp_types::DocumentFilter {
-                        language: None,
-                        scheme: None,
-                        pattern: Some("**/Cargo.toml".into()),
-                    },
-                    lsp_types::DocumentFilter {
-                        language: None,
-                        scheme: None,
-                        pattern: Some("**/Cargo.lock".into()),
-                    },
-                ]),
-            },
-        };
-
-        let registration = lsp_types::Registration {
-            id: "textDocument/didSave".to_string(),
-            method: "textDocument/didSave".to_string(),
-            register_options: Some(serde_json::to_value(save_registration_options).unwrap()),
-        };
-        self.send_request::<lsp_types::request::RegisterCapability>(
-            lsp_types::RegistrationParams { registrations: vec![registration] },
-            |_, _| (),
-        );
+        if self.config.did_save_text_document_dynamic_registration() {
+            let save_registration_options = lsp_types::TextDocumentSaveRegistrationOptions {
+                include_text: Some(false),
+                text_document_registration_options: lsp_types::TextDocumentRegistrationOptions {
+                    document_selector: Some(vec![
+                        lsp_types::DocumentFilter {
+                            language: None,
+                            scheme: None,
+                            pattern: Some("**/*.rs".into()),
+                        },
+                        lsp_types::DocumentFilter {
+                            language: None,
+                            scheme: None,
+                            pattern: Some("**/Cargo.toml".into()),
+                        },
+                        lsp_types::DocumentFilter {
+                            language: None,
+                            scheme: None,
+                            pattern: Some("**/Cargo.lock".into()),
+                        },
+                    ]),
+                },
+            };
+
+            let registration = lsp_types::Registration {
+                id: "textDocument/didSave".to_string(),
+                method: "textDocument/didSave".to_string(),
+                register_options: Some(serde_json::to_value(save_registration_options).unwrap()),
+            };
+            self.send_request::<lsp_types::request::RegisterCapability>(
+                lsp_types::RegistrationParams { registrations: vec![registration] },
+                |_, _| (),
+            );
+        }
 
-        self.fetch_workspaces();
+        self.fetch_workspaces_request();
+        self.fetch_workspaces_if_needed();
 
         while let Some(event) = self.next_event(&inbox) {
             if let Event::Lsp(lsp_server::Message::Notification(not)) = &event {
@@ -204,7 +205,6 @@ impl GlobalState {
                                 self.diagnostics.set_native_diagnostics(file_id, diagnostics)
                             }
                         }
-                        Task::Workspaces(workspaces) => self.switch_workspaces(workspaces),
                         Task::PrimeCaches(progress) => match progress {
                             PrimeCachesProgress::Started => prime_caches_progress.push(progress),
                             PrimeCachesProgress::StartedOnCrate { .. } => {
@@ -224,7 +224,11 @@ impl GlobalState {
                                 ProjectWorkspaceProgress::Report(msg) => {
                                     (Progress::Report, Some(msg))
                                 }
-                                ProjectWorkspaceProgress::End => (Progress::End, None),
+                                ProjectWorkspaceProgress::End(workspaces) => {
+                                    self.fetch_workspaces_completed();
+                                    self.switch_workspaces(workspaces);
+                                    (Progress::End, None)
+                                }
                             };
                             self.report_progress("fetching", state, msg, None);
                         }
@@ -403,6 +407,8 @@ impl GlobalState {
             }
         }
 
+        self.fetch_workspaces_if_needed();
+
         let loop_duration = loop_start.elapsed();
         if loop_duration > Duration::from_millis(100) {
             log::warn!("overly long loop turn: {:?}", loop_duration);
@@ -440,7 +446,7 @@ impl GlobalState {
         }
 
         RequestDispatcher { req: Some(req), global_state: self }
-            .on_sync::<lsp_ext::ReloadWorkspace>(|s, ()| Ok(s.fetch_workspaces()))?
+            .on_sync::<lsp_ext::ReloadWorkspace>(|s, ()| Ok(s.fetch_workspaces_request()))?
             .on_sync::<lsp_ext::JoinLines>(|s, p| handlers::handle_join_lines(s.snapshot(), p))?
             .on_sync::<lsp_ext::OnEnter>(|s, p| handlers::handle_on_enter(s.snapshot(), p))?
             .on_sync::<lsp_types::request::Shutdown>(|s, ()| {
diff --git a/crates/rust-analyzer/src/markdown.rs b/crates/rust-analyzer/src/markdown.rs
index a49a58c00..865eaae9b 100644
--- a/crates/rust-analyzer/src/markdown.rs
+++ b/crates/rust-analyzer/src/markdown.rs
@@ -106,7 +106,7 @@ mod tests {
 
     #[test]
     fn test_format_docs_preserves_newlines() {
-        let comment = "this\nis\nultiline";
+        let comment = "this\nis\nmultiline";
         assert_eq!(format_docs(comment), comment);
     }
 
diff --git a/crates/rust-analyzer/src/op_queue.rs b/crates/rust-analyzer/src/op_queue.rs
new file mode 100644
index 000000000..51d66f4b3
--- /dev/null
+++ b/crates/rust-analyzer/src/op_queue.rs
@@ -0,0 +1,25 @@
+//! Bookkeeping to make sure only one long-running operation is executed.
+
+#[derive(Default)]
+pub(crate) struct OpQueue {
+    op_scheduled: bool,
+    op_in_progress: bool,
+}
+
+impl OpQueue {
+    pub(crate) fn request_op(&mut self) {
+        self.op_scheduled = true;
+    }
+    pub(crate) fn should_start_op(&mut self) -> bool {
+        if !self.op_in_progress && self.op_scheduled {
+            self.op_in_progress = true;
+            self.op_scheduled = false;
+            return true;
+        }
+        false
+    }
+    pub(crate) fn op_completed(&mut self) {
+        assert!(self.op_in_progress);
+        self.op_in_progress = false;
+    }
+}
diff --git a/crates/rust-analyzer/src/reload.rs b/crates/rust-analyzer/src/reload.rs
index f4e084741..97e20362f 100644
--- a/crates/rust-analyzer/src/reload.rs
+++ b/crates/rust-analyzer/src/reload.rs
@@ -19,7 +19,7 @@ use lsp_ext::StatusParams;
 pub(crate) enum ProjectWorkspaceProgress {
     Begin,
     Report(String),
-    End,
+    End(Vec<anyhow::Result<ProjectWorkspace>>),
 }
 
 impl GlobalState {
@@ -30,7 +30,7 @@ impl GlobalState {
             self.analysis_host.update_lru_capacity(self.config.lru_capacity());
         }
         if self.config.linked_projects() != old_config.linked_projects() {
-            self.fetch_workspaces()
+            self.fetch_workspaces_request()
         } else if self.config.flycheck() != old_config.flycheck() {
             self.reload_flycheck();
         }
@@ -44,7 +44,7 @@ impl GlobalState {
             Status::Ready | Status::Invalid => (),
         }
         if self.config.cargo_autoreload() {
-            self.fetch_workspaces();
+            self.fetch_workspaces_request();
         } else {
             self.transition(Status::NeedsReload);
         }
@@ -98,8 +98,15 @@ impl GlobalState {
             });
         }
     }
-    pub(crate) fn fetch_workspaces(&mut self) {
+
+    pub(crate) fn fetch_workspaces_request(&mut self) {
+        self.fetch_workspaces_queue.request_op()
+    }
+    pub(crate) fn fetch_workspaces_if_needed(&mut self) {
         log::info!("will fetch workspaces");
+        if !self.fetch_workspaces_queue.should_start_op() {
+            return;
+        }
 
         self.task_pool.handle.spawn_with_sender({
             let linked_projects = self.config.linked_projects();
@@ -133,12 +140,17 @@ impl GlobalState {
                     })
                     .collect::<Vec<_>>();
 
-                sender.send(Task::FetchWorkspace(ProjectWorkspaceProgress::End)).unwrap();
                 log::info!("did fetch workspaces {:?}", workspaces);
-                sender.send(Task::Workspaces(workspaces)).unwrap()
+                sender
+                    .send(Task::FetchWorkspace(ProjectWorkspaceProgress::End(workspaces)))
+                    .unwrap();
             }
         });
     }
+    pub(crate) fn fetch_workspaces_completed(&mut self) {
+        self.fetch_workspaces_queue.op_completed()
+    }
+
     pub(crate) fn switch_workspaces(&mut self, workspaces: Vec<anyhow::Result<ProjectWorkspace>>) {
         let _p = profile::span("GlobalState::switch_workspaces");
         log::info!("will switch workspaces: {:?}", workspaces);
@@ -170,26 +182,31 @@ impl GlobalState {
         }
 
         if let FilesWatcher::Client = self.config.files().watcher {
-            let registration_options = lsp_types::DidChangeWatchedFilesRegistrationOptions {
-                watchers: workspaces
-                    .iter()
-                    .flat_map(ProjectWorkspace::to_roots)
-                    .filter(|it| it.is_member)
-                    .flat_map(|root| {
-                        root.include.into_iter().map(|it| format!("{}/**/*.rs", it.display()))
-                    })
-                    .map(|glob_pattern| lsp_types::FileSystemWatcher { glob_pattern, kind: None })
-                    .collect(),
-            };
-            let registration = lsp_types::Registration {
-                id: "workspace/didChangeWatchedFiles".to_string(),
-                method: "workspace/didChangeWatchedFiles".to_string(),
-                register_options: Some(serde_json::to_value(registration_options).unwrap()),
-            };
-            self.send_request::<lsp_types::request::RegisterCapability>(
-                lsp_types::RegistrationParams { registrations: vec![registration] },
-                |_, _| (),
-            );
+            if self.config.did_change_watched_files_dynamic_registration() {
+                let registration_options = lsp_types::DidChangeWatchedFilesRegistrationOptions {
+                    watchers: workspaces
+                        .iter()
+                        .flat_map(ProjectWorkspace::to_roots)
+                        .filter(|it| it.is_member)
+                        .flat_map(|root| {
+                            root.include.into_iter().map(|it| format!("{}/**/*.rs", it.display()))
+                        })
+                        .map(|glob_pattern| lsp_types::FileSystemWatcher {
+                            glob_pattern,
+                            kind: None,
+                        })
+                        .collect(),
+                };
+                let registration = lsp_types::Registration {
+                    id: "workspace/didChangeWatchedFiles".to_string(),
+                    method: "workspace/didChangeWatchedFiles".to_string(),
+                    register_options: Some(serde_json::to_value(registration_options).unwrap()),
+                };
+                self.send_request::<lsp_types::request::RegisterCapability>(
+                    lsp_types::RegistrationParams { registrations: vec![registration] },
+                    |_, _| (),
+                );
+            }
         }
 
         let mut change = Change::new();
diff --git a/crates/rust-analyzer/src/semantic_tokens.rs b/crates/rust-analyzer/src/semantic_tokens.rs
index 5c4366f16..7ce9a4ab6 100644
--- a/crates/rust-analyzer/src/semantic_tokens.rs
+++ b/crates/rust-analyzer/src/semantic_tokens.rs
@@ -38,17 +38,25 @@ macro_rules! define_semantic_token_types {
 }
 
 define_semantic_token_types![
+    (ANGLE, "angle"),
     (ATTRIBUTE, "attribute"),
     (BOOLEAN, "boolean"),
+    (BRACE, "brace"),
+    (BRACKET, "bracket"),
     (BUILTIN_TYPE, "builtinType"),
+    (COMMA, "comma"),
+    (COLON, "colon"),
+    (DOT, "dot"),
     (ESCAPE_SEQUENCE, "escapeSequence"),
     (FORMAT_SPECIFIER, "formatSpecifier"),
     (GENERIC, "generic"),
     (CONST_PARAMETER, "constParameter"),
     (LIFETIME, "lifetime"),
     (LABEL, "label"),
+    (PARENTHESIS, "parenthesis"),
     (PUNCTUATION, "punctuation"),
     (SELF_KEYWORD, "selfKeyword"),
+    (SEMICOLON, "semicolon"),
     (TYPE_ALIAS, "typeAlias"),
     (UNION, "union"),
     (UNRESOLVED_REFERENCE, "unresolvedReference"),
diff --git a/crates/rust-analyzer/src/to_proto.rs b/crates/rust-analyzer/src/to_proto.rs
index bc9999ddc..bdddca9da 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, HlMod, HlPunct, HlRange, HlTag, Indel,
+    InlayHint, InlayKind, InsertTextFormat, LineIndex, Markup, NavigationTarget, ReferenceAccess,
+    Runnable, Severity, SourceChange, SourceFileEdit, SymbolKind, TextEdit, TextRange, TextSize,
 };
 use itertools::Itertools;
 
@@ -337,12 +336,15 @@ static TOKEN_RESULT_COUNTER: AtomicU32 = AtomicU32::new(1);
 pub(crate) fn semantic_tokens(
     text: &str,
     line_index: &LineIndex,
-    highlights: Vec<HighlightedRange>,
+    highlights: Vec<HlRange>,
 ) -> lsp_types::SemanticTokens {
     let id = TOKEN_RESULT_COUNTER.fetch_add(1, Ordering::SeqCst).to_string();
     let mut builder = semantic_tokens::SemanticTokensBuilder::new(id);
 
     for highlight_range in highlights {
+        if highlight_range.highlight.is_empty() {
+            continue;
+        }
         let (type_, mods) = semantic_token_type_and_modifiers(highlight_range.highlight);
         let token_index = semantic_tokens::type_index(type_);
         let modifier_bitset = mods.0;
@@ -374,7 +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,
@@ -386,7 +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
@@ -409,38 +411,44 @@ 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::Dummy => 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(punct) => match punct {
+            HlPunct::Bracket => semantic_tokens::BRACKET,
+            HlPunct::Brace => semantic_tokens::BRACE,
+            HlPunct::Parenthesis => semantic_tokens::PARENTHESIS,
+            HlPunct::Angle => semantic_tokens::ANGLE,
+            HlPunct::Comma => semantic_tokens::COMMA,
+            HlPunct::Dot => semantic_tokens::DOT,
+            HlPunct::Colon => semantic_tokens::COLON,
+            HlPunct::Semi => semantic_tokens::SEMICOLON,
+            HlPunct::Other => 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;
     }
diff --git a/crates/stdx/src/lib.rs b/crates/stdx/src/lib.rs
index 5332edb09..13aab1451 100644
--- a/crates/stdx/src/lib.rs
+++ b/crates/stdx/src/lib.rs
@@ -1,5 +1,5 @@
 //! Missing batteries for standard libraries.
-use std::{ops, process, time::Instant};
+use std::{cmp::Ordering, ops, process, time::Instant};
 
 mod macros;
 pub mod panic_context;
@@ -117,7 +117,12 @@ impl<'a> Iterator for LinesWithEnds<'a> {
     }
 }
 
-// https://github.com/rust-lang/rust/issues/73831
+/// Returns `idx` such that:
+///
+///     ∀ x in slice[..idx]:  pred(x)
+///  && ∀ x in slice[idx..]: !pred(x)
+///
+/// https://github.com/rust-lang/rust/issues/73831
 pub fn partition_point<T, P>(slice: &[T], mut pred: P) -> usize
 where
     P: FnMut(&T) -> bool,
@@ -147,6 +152,15 @@ where
     left
 }
 
+pub fn equal_range_by<T, F>(slice: &[T], mut key: F) -> ops::Range<usize>
+where
+    F: FnMut(&T) -> Ordering,
+{
+    let start = partition_point(slice, |it| key(it) == Ordering::Less);
+    let len = partition_point(&slice[start..], |it| key(it) == Ordering::Equal);
+    start..start + len
+}
+
 pub struct JodChild(pub process::Child);
 
 impl ops::Deref for JodChild {
diff --git a/crates/syntax/src/algo.rs b/crates/syntax/src/algo.rs
index 22ab36cd2..384d031e7 100644
--- a/crates/syntax/src/algo.rs
+++ b/crates/syntax/src/algo.rs
@@ -88,8 +88,8 @@ pub fn least_common_ancestor(u: &SyntaxNode, v: &SyntaxNode) -> Option<SyntaxNod
     let keep = u_depth.min(v_depth);
 
     let u_candidates = u.ancestors().skip(u_depth - keep);
-    let v_canidates = v.ancestors().skip(v_depth - keep);
-    let (res, _) = u_candidates.zip(v_canidates).find(|(x, y)| x == y)?;
+    let v_candidates = v.ancestors().skip(v_depth - keep);
+    let (res, _) = u_candidates.zip(v_candidates).find(|(x, y)| x == y)?;
     Some(res)
 }
 
diff --git a/crates/syntax/src/ast/make.rs b/crates/syntax/src/ast/make.rs
index cafa4c198..1ed8a96e5 100644
--- a/crates/syntax/src/ast/make.rs
+++ b/crates/syntax/src/ast/make.rs
@@ -241,7 +241,7 @@ pub fn wildcard_pat() -> ast::WildcardPat {
     }
 }
 
-/// Creates a tuple of patterns from an interator of patterns.
+/// Creates a tuple of patterns from an iterator of patterns.
 ///
 /// Invariant: `pats` must be length > 1
 ///
diff --git a/crates/syntax/src/ast/node_ext.rs b/crates/syntax/src/ast/node_ext.rs
index 2aa472fb4..27381ba80 100644
--- a/crates/syntax/src/ast/node_ext.rs
+++ b/crates/syntax/src/ast/node_ext.rs
@@ -133,7 +133,7 @@ impl ast::Attr {
             first_token.and_then(|token| token.next_token()).as_ref().map(SyntaxToken::kind);
 
         match (first_token_kind, second_token_kind) {
-            (Some(SyntaxKind::POUND), Some(T![!])) => AttrKind::Inner,
+            (Some(T![#]), Some(T![!])) => AttrKind::Inner,
             _ => AttrKind::Outer,
         }
     }
diff --git a/crates/syntax/src/parsing/lexer.rs b/crates/syntax/src/parsing/lexer.rs
index 0cbba73c5..7c8d0a4c4 100644
--- a/crates/syntax/src/parsing/lexer.rs
+++ b/crates/syntax/src/parsing/lexer.rs
@@ -24,7 +24,7 @@ pub struct Token {
 /// Beware that it checks for shebang first and its length contributes to resulting
 /// tokens offsets.
 pub fn tokenize(text: &str) -> (Vec<Token>, Vec<SyntaxError>) {
-    // non-empty string is a precondtion of `rustc_lexer::strip_shebang()`.
+    // non-empty string is a precondition of `rustc_lexer::strip_shebang()`.
     if text.is_empty() {
         return Default::default();
     }
@@ -76,7 +76,7 @@ pub fn lex_single_syntax_kind(text: &str) -> Option<(SyntaxKind, Option<SyntaxEr
 }
 
 /// The same as `lex_single_syntax_kind()` but returns only `SyntaxKind` and
-/// returns `None` if any tokenization error occured.
+/// returns `None` if any tokenization error occurred.
 ///
 /// Beware that unescape errors are not checked at tokenization time.
 pub fn lex_single_valid_syntax_kind(text: &str) -> Option<SyntaxKind> {
@@ -96,7 +96,7 @@ pub fn lex_single_valid_syntax_kind(text: &str) -> Option<SyntaxKind> {
 ///
 /// Beware that unescape errors are not checked at tokenization time.
 fn lex_first_token(text: &str) -> Option<(Token, Option<SyntaxError>)> {
-    // non-empty string is a precondtion of `rustc_lexer::first_token()`.
+    // non-empty string is a precondition of `rustc_lexer::first_token()`.
     if text.is_empty() {
         return None;
     }
@@ -117,7 +117,7 @@ fn rustc_token_kind_to_syntax_kind(
     token_text: &str,
 ) -> (SyntaxKind, Option<&'static str>) {
     // A note on an intended tradeoff:
-    // We drop some useful infromation here (see patterns with double dots `..`)
+    // We drop some useful information here (see patterns with double dots `..`)
     // Storing that info in `SyntaxKind` is not possible due to its layout requirements of
     // being `u16` that come from `rowan::SyntaxKind`.
 
diff --git a/crates/syntax/src/validation.rs b/crates/syntax/src/validation.rs
index 2ddaeb176..bfa2dc4ba 100644
--- a/crates/syntax/src/validation.rs
+++ b/crates/syntax/src/validation.rs
@@ -173,7 +173,7 @@ pub(crate) fn validate_block_structure(root: &SyntaxNode) {
                     assert_eq!(
                         node.parent(),
                         pair.parent(),
-                        "\nunpaired curleys:\n{}\n{:#?}\n",
+                        "\nunpaired curlys:\n{}\n{:#?}\n",
                         root.text(),
                         root,
                     );
@@ -344,9 +344,9 @@ fn validate_trait_object_ty(ty: ast::DynTraitType) -> Option<SyntaxError> {
 
     if tbl.bounds().count() > 1 {
         let dyn_token = ty.dyn_token()?;
-        let potential_parentheses =
+        let potential_parenthesis =
             algo::skip_trivia_token(dyn_token.prev_token()?, Direction::Prev)?;
-        let kind = potential_parentheses.kind();
+        let kind = potential_parenthesis.kind();
         if !matches!(kind, T!['('] | T![<] | T![=]) {
             return Some(SyntaxError::new("ambiguous `+` in a type", ty.syntax().text_range()));
         }
diff --git a/crates/syntax/test_data/parser/inline/ok/0002_use_tree_list.rast b/crates/syntax/test_data/parser/inline/ok/0002_use_tree_list.rast
index b1fb75ed1..f40500e38 100644
--- a/crates/syntax/test_data/parser/inline/ok/0002_use_tree_list.rast
+++ b/crates/syntax/test_data/parser/inline/ok/0002_use_tree_list.rast
@@ -1,4 +1,4 @@
-[email protected]9
+[email protected]8
   [email protected]
     [email protected] "use"
     [email protected] " "
@@ -75,62 +75,62 @@ [email protected]
         [email protected] "}"
     [email protected] ";"
   [email protected] " "
-  [email protected]6
+  [email protected]5
     [email protected] "// Rust 2015"
     [email protected] "\n"
     [email protected] "use"
     [email protected] " "
-    [email protected]5
+    [email protected]4
       [email protected] "::"
-      [email protected]5
+      [email protected]4
         [email protected] "{"
-        [email protected]4
-          [email protected]4
-            [email protected]8
+        [email protected]3
+          [email protected]3
+            [email protected]7
               [email protected]
                 [email protected]
                   [email protected]
                     [email protected] "some"
               [email protected] "::"
-              [email protected]8
-                [email protected]8
-                  [email protected]8 "arbritrary"
-            COLON2@158..160 "::"
-            PATH_SEGMENT@160..164
-              NAME_REF@160..164
-                IDENT@160..164 "path"
-        R_CURLY@164..165 "}"
-    SEMICOLON@165..166 ";"
-  WHITESPACE@166..167 " "
-  USE@167..205
-    COMMENT@167..179 "// Rust 2015"
-    WHITESPACE@179..180 "\n"
-    USE_KW@180..183 "use"
-    WHITESPACE@183..184 " "
-    USE_TREE@184..204
-      COLON2@184..186 "::"
-      USE_TREE_LIST@186..204
-        L_CURLY@186..187 "{"
-        USE_TREE@187..203
-          USE_TREE_LIST@187..203
-            L_CURLY@187..188 "{"
-            USE_TREE@188..202
-              USE_TREE_LIST@188..202
-                L_CURLY@188..189 "{"
-                USE_TREE@189..201
-                  PATH@189..201
-                    PATH@189..193
-                      PATH_SEGMENT@189..193
-                        NAME_REF@189..193
-                          IDENT@189..193 "root"
-                    COLON2@193..195 "::"
-                    PATH_SEGMENT@195..201
-                      NAME_REF@195..201
-                        IDENT@195..201 "export"
-                R_CURLY@201..202 "}"
-            R_CURLY@202..203 "}"
-        R_CURLY@203..204 "}"
-    SEMICOLON@204..205 ";"
-  WHITESPACE@205..206 " "
-  COMMENT@206..248 "// Nonsensical but pe ..."
-  WHITESPACE@248..249 "\n"
+              [email protected]7
+                [email protected]7
+                  [email protected]7 "arbitrary"
+            COLON2@157..159 "::"
+            PATH_SEGMENT@159..163
+              NAME_REF@159..163
+                IDENT@159..163 "path"
+        R_CURLY@163..164 "}"
+    SEMICOLON@164..165 ";"
+  WHITESPACE@165..166 " "
+  USE@166..204
+    COMMENT@166..178 "// Rust 2015"
+    WHITESPACE@178..179 "\n"
+    USE_KW@179..182 "use"
+    WHITESPACE@182..183 " "
+    USE_TREE@183..203
+      COLON2@183..185 "::"
+      USE_TREE_LIST@185..203
+        L_CURLY@185..186 "{"
+        USE_TREE@186..202
+          USE_TREE_LIST@186..202
+            L_CURLY@186..187 "{"
+            USE_TREE@187..201
+              USE_TREE_LIST@187..201
+                L_CURLY@187..188 "{"
+                USE_TREE@188..200
+                  PATH@188..200
+                    PATH@188..192
+                      PATH_SEGMENT@188..192
+                        NAME_REF@188..192
+                          IDENT@188..192 "root"
+                    COLON2@192..194 "::"
+                    PATH_SEGMENT@194..200
+                      NAME_REF@194..200
+                        IDENT@194..200 "export"
+                R_CURLY@200..201 "}"
+            R_CURLY@201..202 "}"
+        R_CURLY@202..203 "}"
+    SEMICOLON@203..204 ";"
+  WHITESPACE@204..205 " "
+  COMMENT@205..247 "// Nonsensical but pe ..."
+  WHITESPACE@247..248 "\n"
diff --git a/crates/syntax/test_data/parser/inline/ok/0002_use_tree_list.rs b/crates/syntax/test_data/parser/inline/ok/0002_use_tree_list.rs
index 381cba1e2..02af4b446 100644
--- a/crates/syntax/test_data/parser/inline/ok/0002_use_tree_list.rs
+++ b/crates/syntax/test_data/parser/inline/ok/0002_use_tree_list.rs
@@ -1,4 +1,4 @@
 use {crate::path::from::root, or::path::from::crate_name}; // Rust 2018 (with a crate named `or`)
 use {path::from::root}; // Rust 2015
-use ::{some::arbritrary::path}; // Rust 2015
+use ::{some::arbitrary::path}; // Rust 2015
 use ::{{{root::export}}}; // Nonsensical but perfectly legal nesting
diff --git a/crates/syntax/test_data/parser/inline/ok/0039_type_arg.rast b/crates/syntax/test_data/parser/inline/ok/0039_type_arg.rast
index 51e881a8e..68c0f1c66 100644
--- a/crates/syntax/test_data/parser/inline/ok/0039_type_arg.rast
+++ b/crates/syntax/test_data/parser/inline/ok/0039_type_arg.rast
@@ -1,5 +1,5 @@
-SOURCE_FILE@0..46
-  TYPE_ALIAS@0..45
+SOURCE_FILE@0..59
+  [email protected]8
     [email protected] "type"
     [email protected] " "
     [email protected]
@@ -7,12 +7,12 @@ [email protected]
     [email protected] " "
     [email protected] "="
     [email protected] " "
-    PATH_TYPE@9..44
-      PATH@9..44
-        PATH_SEGMENT@9..44
+    PATH_TYPE@9..57
+      PATH@9..57
+        PATH_SEGMENT@9..57
           [email protected]
             [email protected] "B"
-          GENERIC_ARG_LIST@10..44
+          GENERIC_ARG_LIST@10..57
             [email protected] "<"
             [email protected]
               [email protected]
@@ -51,6 +51,16 @@ [email protected]
                   [email protected]
                     [email protected]
                       [email protected] "u64"
-            [email protected] ">"
-    [email protected] ";"
-  [email protected] "\n"
+            [email protected] ","
+            [email protected] " "
+            [email protected]
+              [email protected]
+                [email protected] "true"
+            [email protected] ","
+            [email protected] " "
+            [email protected]
+              [email protected]
+                [email protected] "false"
+            [email protected] ">"
+    [email protected] ";"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/inline/ok/0039_type_arg.rs b/crates/syntax/test_data/parser/inline/ok/0039_type_arg.rs
index 0d07d7651..6a8721a73 100644
--- a/crates/syntax/test_data/parser/inline/ok/0039_type_arg.rs
+++ b/crates/syntax/test_data/parser/inline/ok/0039_type_arg.rs
@@ -1 +1 @@
-type A = B<'static, i32, 1, { 2 }, Item=u64>;
+type A = B<'static, i32, 1, { 2 }, Item=u64, true, false>;
diff --git a/crates/test_utils/src/lib.rs b/crates/test_utils/src/lib.rs
index 84c1d7ebb..e19d2ad61 100644
--- a/crates/test_utils/src/lib.rs
+++ b/crates/test_utils/src/lib.rs
@@ -63,7 +63,7 @@ pub fn extract_offset(text: &str) -> (TextSize, String) {
     }
 }
 
-/// Returns the offset of the first occurence of `$0` marker and the copy of `text`
+/// Returns the offset of the first occurrence of `$0` marker and the copy of `text`
 /// without the marker.
 fn try_extract_offset(text: &str) -> Option<(TextSize, String)> {
     let cursor_pos = text.find(CURSOR_MARKER)?;
diff --git a/docs/dev/style.md b/docs/dev/style.md
index 67cbc6744..9859f6148 100644
--- a/docs/dev/style.md
+++ b/docs/dev/style.md
@@ -78,6 +78,8 @@ Use original span for FileId
 
 This makes it easier to prepare a changelog.
 
+If the change adds a new user-visible functionality, consider recording a GIF with [peek](https://github.com/phw/peek) and pasting it into the PR description.
+
 **Rationale:** clean history is potentially useful, but rarely used.
 But many users read changelogs.
 
@@ -643,6 +645,27 @@ assert!(x >= lo && x <= hi>);
 **Rationale:** Less-then comparisons are more intuitive, they correspond spatially to [real line](https://en.wikipedia.org/wiki/Real_line).
 
 
+## Token names
+
+Use `T![foo]` instead of `SyntaxKind::FOO_KW`.
+
+```rust
+// GOOD
+match p.current() {
+    T![true] | T![false] => true,
+    _ => false,
+}
+
+// BAD
+
+match p.current() {
+    SyntaxKind::TRUE_KW | SyntaxKind::FALSE_KW => true,
+    _ => false,
+}
+```
+
+**Rationale:** The macro uses the familiar Rust syntax, avoiding ambiguities like "is this a brace or bracket?".
+
 ## Documentation
 
 For `.md` and `.adoc` files, prefer a sentence-per-line format, don't wrap lines.