Combine whitespace and comment regexes.

anntzer · anntzer · commit 252f963e6b7a · 2021-04-02T09:52:36.000+02:00
This shaves off another percent or two of runtime.
diff --git a/lib/matplotlib/type1font.py b/lib/matplotlib/type1font.py
@@ -135,9 +135,8 @@ def _split(self, data):
 
         return data[:len1], binary, data[idx+1:]
 
-    _whitespace_re = re.compile(br'[\0\t\r\014\n ]+')
+    _whitespace_or_comment_re = re.compile(br'[\0\t\r\014\n ]+|%[^\r\n\v]*')
     _token_re = re.compile(br'/{0,2}[^]\0\t\r\v\n ()<>{}/%[]+')
-    _comment_re = re.compile(br'%[^\r\n\v]*')
     _instring_re = re.compile(br'[()\\]')
 
     @classmethod
@@ -148,8 +147,7 @@ def _tokens(cls, text):
         """
         pos = 0
         while pos < len(text):
-            match = (cls._comment_re.match(text, pos) or
-                     cls._whitespace_re.match(text, pos))
+            match = cls._whitespace_or_comment_re.match(text, pos)
             if match:
                 yield (_TokenType.whitespace, match.group())
                 pos = match.end()
