pygments lexer for nfql

nfql_pygments.py

class NFQLLexer(RegexLexer):
    name = 'NFQL'
    aliases = ['nfql']
    filenames = ['*.flw']
    tokens = {
            'whitespace': [
                (r'\n', Text),
                (r'\s+', Text),
                (r'\\\n', Text),
                (r'#(\n|.*?\n)', Comment.Single),
                ],
            'root' : [
                include('whitespace'),
                (r'(branch)(\s+[a-zA-Z]+)?(\s*{)', bygroups(Keyword, String, Punctuation), 'branch'),
                (r'(merger)(\s+[a-zA-Z]+)?(\s*{)', bygroups(Keyword, String, Punctuation), 'merger'),
                (r'(ungrouper)(\s+[a-zA-Z]+)?(\s*{)', bygroups(Keyword, String, Punctuation), 'ungrouper'),
                ],
            'branch': [
                include('whitespace'),
                (r'(filter|groupfilter)(\s+[a-zA-Z]+)?(\s*{)', bygroups(Keyword, String, Punctuation), 'filter'),
                (r'(grouper)(\s+[a-zA-Z]+)?(\s*{)', bygroups(Keyword, String, Punctuation), 'grouper'),
                ('{', Punctuation, '#push'),
                ('}', Punctuation, '#pop'),
                ],
            'dnf': [
                (r'\d+', Number.Integer),
                (r'(OR|delta|TCP)\b', Keyword.Reserved),
                (r'[a-zA-Z_][a-zA-Z0-9_]*', Name),
                (r'(!=|>=|<=|[<>=])', Operator),
                ],
            'mergerdnf': [
                (r'([a-zA-Z_][a-zA-Z0-9_]*)(\.)([a-zA-Z_][a-zA-Z0-9_]*)', bygroups(String, Punctuation, Name)),
                include('dnf'),
                ],
            'aggregation': [
                include('whitespace'),
                (r'(static|union|sum|min|max)(\()([a-zA-Z_][a-zA-Z0-9_]*)(\))', bygroups(Keyword, Punctuation, Name, Punctuation)),
                ('{', Punctuation, '#push'),
                ('}', Punctuation, '#pop'),
                ],
            'ungrouper' : [
                include('whitespace'),
                ('{', Punctuation, '#push'),
                ('}', Punctuation, '#pop'),
                ],
            'merger' : [
                include('whitespace'),
                include('mergerdnf'),
                ('{', Punctuation, '#push'),
                ('}', Punctuation, '#pop'),
                ],
            'filter' : [
                include('whitespace'),
                include('dnf'),
                ('{', Punctuation, '#push'),
                ('}', Punctuation, '#pop'),
                ],
            'grouper' : [
                include('whitespace'),
                (r'(aggregation)(\s*{)', bygroups(Keyword, Punctuation), 'aggregation'),
                include('dnf'),
                ('{', Punctuation, '#push'),
                ('}', Punctuation, '#pop'),
                ],
            }