Improve CddlLexer performance (#1959)

pygments · Nov 16, 2021 · d9f2e6c · d9f2e6c
1 parent d37c02b
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Showing 2 changed files with 10 additions and 118 deletions.
diff --git a/pygments/lexers/cddl.py b/pygments/lexers/cddl.py
@@ -104,7 +104,8 @@ class CddlLexer(RegexLexer):
 
     _re_id = (
         r"[$@A-Z_a-z]"
-        r"(?:[\-\.]*[$@0-9A-Z_a-z]|[$@0-9A-Z_a-z])*"
+        r"(?:[\-\.]+(?=[$@0-9A-Z_a-z])|[$@0-9A-Z_a-z])*"
+
     )
 
     # While the spec reads more like "an int must not start with 0" we use a
@@ -186,6 +187,6 @@ class CddlLexer(RegexLexer):
         "bstr": [
             (r"'", String.Single, "#pop"),
             (r"\\.", String.Escape),
-            (r"[^']", String.Single),
+            (r"[^'\\]+", String.Single),
         ],
     }
diff --git a/tests/examplefiles/cddl/example.cddl.output b/tests/examplefiles/cddl/example.cddl.output