Improved Rust attributes (#1813)

pygments · Jun 25, 2021 · f0ff1ba · f0ff1ba
1 parent 94dda68
commit f0ff1ba
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Showing 2 changed files with 14 additions and 8 deletions.
diff --git a/pygments/lexers/rust.py b/pygments/lexers/rust.py
@@ -213,16 +213,10 @@ class RustLexer(RegexLexer):
         'attribute_common': [
             (r'"', String, 'string'),
             (r'\[', Comment.Preproc, 'attribute['),
-            (r'\(', Comment.Preproc, 'attribute('),
         ],
         'attribute[': [
             include('attribute_common'),
-            (r'\];?', Comment.Preproc, '#pop'),
-            (r'[^"\]]+', Comment.Preproc),
-        ],
-        'attribute(': [
-            include('attribute_common'),
-            (r'\);?', Comment.Preproc, '#pop'),
-            (r'[^")]+', Comment.Preproc),
+            (r'\]', Comment.Preproc, '#pop'),
+            (r'[^"\]\[]+', Comment.Preproc),
         ],
     }
diff --git a/tests/snippets/rust/test_attribute.txt b/tests/snippets/rust/test_attribute.txt
@@ -0,0 +1,12 @@
+---input---
+#[foo(bar = [baz, qux])]
+
+---tokens---
+'#['          Comment.Preproc
+'foo(bar = '  Comment.Preproc
+'['           Comment.Preproc
+'baz, qux'    Comment.Preproc
+']'           Comment.Preproc
+')'           Comment.Preproc
+']'           Comment.Preproc
+'\n'          Text.Whitespace