Improve bash math expansion lexing

pygments · Feb 24, 2023 · 16acd51 · 16acd51
1 parent 8f417de
commit 16acd51
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Showing 3 changed files with 680 additions and 3 deletions.
diff --git a/pygments/lexers/shell.py b/pygments/lexers/shell.py
@@ -105,10 +105,12 @@ class BashLexer(RegexLexer):
         ],
         'math': [
             (r'\)\)', Keyword, '#pop'),
-            (r'[-+*/%^|&]|\*\*|\|\|', Operator),
-            (r'\d+#\d+', Number),
+            (r'\*\*|\|\|<<|>>|[-+*/%^|&<>]', Operator),
+            (r'\d+#[\da-zA-Z]+', Number),
             (r'\d+#(?! )', Number),
+            (r'0x[\da-zA-Z]+', Number),
             (r'\d+', Number),
+            (r'[a-zA-Z_]\w*', Name.Variable),  # user variable
             include('root'),
         ],
         'backticks': [

diff --git a/tests/examplefiles/singularity/Singularity.output b/tests/examplefiles/singularity/Singularity.output