Merge #8660

8660: Added `mutable` semantic token modifier for `&mut self` methods r=Veykril a=1c3t3a

This closes #8644.

Co-authored-by: Bastian Kersting <[email protected]>

Author: bors[bot]

crates/ide/src/syntax_highlighting/highlight.rs

@@ -286,8 +286,13 @@ fn highlight_def(db: &RootDatabase, def: Definition) -> Highlight {
                 let mut h = Highlight::new(HlTag::Symbol(SymbolKind::Function));
                 if let Some(item) = func.as_assoc_item(db) {
                     h |= HlMod::Associated;
-                    if func.self_param(db).is_none() {
-                        h |= HlMod::Static
+                    match func.self_param(db) {
+                        Some(sp) => {
+                            if let hir::Access::Exclusive = sp.access(db) {
+                                h |= HlMod::Mutable;
+                            }
+                        }
+                        None => h |= HlMod::Static,
                     }
 
                     match item.container(db) {

crates/ide/src/syntax_highlighting/test_data/highlighting.html

@@ -81,7 +81,7 @@
         <span class="value_param">f</span><span class="operator">.</span><span class="function associated consuming">baz</span><span class="parenthesis">(</span><span class="self_keyword consuming mutable">self</span><span class="parenthesis">)</span>
     <span class="brace">}</span>
 
-    <span class="keyword">fn</span> <span class="function associated declaration">qux</span><span class="parenthesis">(</span><span class="operator">&</span><span class="keyword">mut</span> <span class="self_keyword declaration mutable">self</span><span class="parenthesis">)</span> <span class="brace">{</span>
+    <span class="keyword">fn</span> <span class="function associated declaration mutable">qux</span><span class="parenthesis">(</span><span class="operator">&</span><span class="keyword">mut</span> <span class="self_keyword declaration 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>
 
@@ -100,7 +100,7 @@
         <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 associated declaration">qux</span><span class="parenthesis">(</span><span class="operator">&</span><span class="keyword">mut</span> <span class="self_keyword declaration mutable">self</span><span class="parenthesis">)</span> <span class="brace">{</span>
+    <span class="keyword">fn</span> <span class="function associated declaration mutable">qux</span><span class="parenthesis">(</span><span class="operator">&</span><span class="keyword">mut</span> <span class="self_keyword declaration 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>