intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 56 insertions, 0 deletions

diff --git a/contrib/python/Pygments/py3/pygments/lexers/bdd.py b/contrib/python/Pygments/py3/pygments/lexers/bdd.py
new file mode 100644
index 00000000000..99d2d2868fe
--- /dev/null
+++ b/contrib/python/Pygments/py3/pygments/lexers/bdd.py
@@ -0,0 +1,56 @@
+"""
+    pygments.lexers.bdd
+    ~~~~~~~~~~~~~~~~~~~
+
+    Lexer for BDD(Behavior-driven development). 
+    More information: https://en.wikipedia.org/wiki/Behavior-driven_development
+
+    :copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+from pygments.lexer import RegexLexer, include
+from pygments.token import Comment, Keyword, Name, String, Number, Text, Punctuation, Whitespace
+
+__all__ = ['BddLexer']
+
+class BddLexer(RegexLexer):
+    """
+    Lexer for BDD(Behavior-driven development), which highlights not only keywords, 
+    but also comments, punctuations, strings, numbers, and variables.
+
+    .. versionadded:: 2.11
+    """
+
+    name = 'Bdd'
+    aliases = ['bdd']
+    filenames = ['*.feature']
+    mimetypes = ['text/x-bdd']
+
+    step_keywords = r'Given|When|Then|Add|And|Feature|Scenario Outline|Scenario|Background|Examples|But'
+
+    tokens = {
+        'comments': [
+            (r'^\s*#.*$', Comment),
+        ],
+        'miscellaneous': [
+            (r'(<|>|\[|\]|=|\||:|\(|\)|\{|\}|,|\.|;|-|_|\$)', Punctuation),
+            (r'((?<=\<)[^\\>]+(?=\>))', Name.Variable),
+            (r'"([^\"]*)"', String),
+            (r'^@\S+', Name.Label),
+        ],
+        'numbers': [
+            (r'(\d+\.?\d*|\d*\.\d+)([eE][+-]?[0-9]+)?', Number),
+        ],
+        'root': [
+            (r'\n|\s+', Whitespace),
+            (step_keywords, Keyword),
+            include('comments'),
+            include('miscellaneous'),
+            include('numbers'),            
+            (r'\S+', Text),
+        ]
+    }
+
+    def analyse_text(self, text):
+        return