Lexer for cfengine3 policy files, for use with Pygments

pygments_cfengine_lexer.py

# -*- coding: utf-8 -*-
"""
    pygments.lexers.cfengine
    ~~~~~~~~~~~~~~~~~~~~~

    Lexer for cfengine3 policy files. Should probably be incorporated into other.py

    Written by Diego Zamboni <[email protected]>
"""

import re

from pygments.lexer import Lexer, RegexLexer, include, bygroups, using, \
     this, do_insertions
from pygments.token import Error, Punctuation, \
     Text, Comment, Operator, Keyword, Name, String, Number, Generic

__all__ = ['Cfengine3Lexer']


class Cfengine3Lexer(RegexLexer):
    """
    Lexer for `Cfengine3 <http://cfengine.org>` policy files.

    """

    name = 'Cfengine3'
    aliases = ['cfengine3', 'cf3']
    filenames = [ '*.cf' ]
    mimetypes = []

    tokens = {
        'root': [
            (r'#.*?\n', Comment),
            (r'(body)(\s+)(\S+)(\s+)(control)',
             bygroups(Keyword, Text, Keyword, Text, Keyword)),
            (r'(body|bundle)(\s+)(\S+)(\s+)(\w+)(\()',
             bygroups(Keyword, Text, Keyword, Text, Name.Function, Punctuation), 'arglist'),
            (r'(body|bundle)(\s+)(\S+)(\s+)(\w+)',
             bygroups(Keyword, Text, Keyword, Text, Name.Function)),
            (r'(")([^"]+)(")(\s+)(string|int|real|slist|ilist|rlist)(\s*)(=>)(\s*)',
             bygroups(Punctuation,Name.Variable,Punctuation,
                      Text,Keyword.Type,Text,Operator,Text)),
            (r'(\S+)(\s*)(=>)(\s*)',
             bygroups(Keyword.Reserved,Text,Operator,Text)),
            (r'"', String, 'string'),
            (r'(\w+)(\()', bygroups(Name.Function, Punctuation)),
            (r'([\w.!&|\(\)]+)(::)', bygroups(Name.Class, Punctuation)),
            (r'(\w+)(:)', bygroups(Keyword.Declaration,Punctuation)),
            (r'@[\{\(][^\)\}]+[\}\)]', Name.Variable),
            (r'[(){},;]', Punctuation),
            (r'=>', Operator),
            (r'->', Operator),
            (r'\d+\.\d+', Number.Float),
            (r'\d+', Number.Integer),
            (r'\w+', Name.Function),
            (r'\s+', Text),
        ],
        'string': [
            (r'\$[\{\(]', String.Interpol, 'interpol'),
            (r'\\.', String.Escape),
            (r'"', String, '#pop'),
            (r'\n', String),
            (r'.', String),
        ],
        'interpol': [
            (r'\$[\{\(]', String.Interpol, '#push'),
            (r'[\}\)]', String.Interpol, '#pop'),
            (r'[^\$\{\(\)\}]+', String.Interpol),
        ],
        'arglist': [
            (r'\)', Punctuation, '#pop'),
            (r',', Punctuation),
            (r'\w+', Name.Variable),
            (r'\s+', Text),
        ],
    }

See here for how to install it: http://blog.zzamboni.org/cfengine3-lexer-for-pygments