import commands, os.path, sets, string, sys, traceback
import color, completer, default, mode2, method, regex, tab2
from point2 import Point
from lex3 import Grammar, PatternRule, RegionRule, OverridePatternRule
from mode.python import StringGrammar

class LispGrammar(Grammar):
    rules = [
        PatternRule(r'comment', r';.*$'),
        PatternRule(r'delimiter', r'[()]'),
        RegionRule(r'string', r'"', StringGrammar, r'"'),
        PatternRule(r'spaces', r' +'),
        PatternRule(r'eol', r'\n'),
    ]

class LispTabber(tab2.StackTabber):
    def _handle_open_token(self, currlvl, y, i):
        level = self.get_curr_level() + 4
        self._append(self.get_token(y, i).string, level)
        return currlvl

class Lisp(mode2.Fundamental):
    tabbercls   = LispTabber
    grammar     = LispGrammar
    opentokens  = ('delimiter',)
    opentags    = {'(': ')'}
    closetokens = ('delimiter',)
    closetags   = {')': '('}
    colors = {
        'comment': ('red', 'default'),
        'string.start':   ('green', 'default'),
        'string.null':    ('green', 'default'),
        'string.octal':   ('magenta', 'default'),
        'string.escaped': ('magenta', 'default'),
        'string.end':     ('green', 'default'),
    }
    def __init__(self, w):
        mode2.Fundamental.__init__(self, w)
        self.add_bindings('close-paren', (')',))
        self.add_bindings('close-brace', ('}',))
        self.add_bindings('close-bracket', (']',))
    def name(self):
        return "Lisp"