pygments.patch

--- lib/python3.8/site-packages/pygments/lexers/graph.py.ori	2025-08-15 12:24:46.817103526 +0200
+++ lib/python3.8/site-packages/pygments/lexers/graph.py	2025-08-15 12:46:40.542793114 +0200
@@ -6,6 +6,9 @@
 
     :copyright: Copyright 2006-2025 by the Pygments team, see AUTHORS.
     :license: BSD, see LICENSE for details.
+
+    Modified by P. Kleiweg for Cypher format AgensGraph
+
 """
 
 import re
@@ -30,12 +33,13 @@
     filenames = ['*.cyp', '*.cypher']
     version_added = '2.0'
 
-    flags = re.MULTILINE | re.IGNORECASE
+    flags = re.IGNORECASE
 
     tokens = {
         'root': [
             include('clauses'),
             include('keywords'),
+            include('macro'),
             include('relations'),
             include('strings'),
             include('whitespace'),
@@ -44,6 +48,7 @@
         ],
         'keywords': [
             (r'(create|order|match|limit|set|skip|start|return|with|where|'
+             r'select|from|'
              r'delete|foreach|not|by|true|false)\b', Keyword),
         ],
         'clauses': [
@@ -77,10 +82,11 @@
             (r'(using)(\s+)(range|text|point)(\s+)(index)\b',
                 bygroups(Keyword, Whitespace, Name, Whitespace, Keyword)),
             (words((
-                'all', 'any', 'as', 'asc', 'ascending', 'assert', 'call', 'case', 'create',
-                'delete', 'desc', 'descending', 'distinct', 'end', 'fieldterminator',
-                'foreach', 'in', 'limit', 'match', 'merge', 'none', 'not', 'null',
+                'all', 'and', 'any', 'as', 'asc', 'ascending', 'assert', 'call', 'case', 'create',
+                'delete', 'desc', 'descending', 'distinct', 'exists', 'fieldterminator',
+                'foreach', 'in', 'limit', 'match', 'merge', 'none', 'not', 'null', 'or',
                 'remove', 'return', 'set', 'skip', 'single', 'start', 'then', 'union',
+                'except', 'intersect',
                 'unwind', 'yield', 'where', 'when', 'with', 'collect'), suffix=r'\b'), Keyword),
         ],
         'relations': [
@@ -92,6 +98,8 @@
             (r'[.*{}]', Punctuation),
         ],
         'strings': [
+            (r'"([^"\n]|"")*"', String),
+            (r"'([^'\n]|'')*'", String),  
             (r'([\'"])(?:\\[tbnrf\'"\\]|[^\\])*?\1', String),
             (r'`(?:``|[^`])+`', Name.Variable),
         ],
@@ -104,5 +112,9 @@
         ],
         'comment': [
             (r'//.*$', Comment.Single),
+            (r'--.*$', Comment.Single),
         ],
+        'macro': [
+            (r"%[^%\n]+%", Comment.Preproc),
+        ]
     }