pmacs3/mode/elisp.py

import commands, os.path, string, sys, traceback
import color, completer, default, mode, method, regex, tab
from point import Point
from lex import Grammar, PatternRule, RegionRule, OverridePatternRule
from mode.lisp import LispTabber

class StringGrammar(Grammar):
    rules = [
        PatternRule(r'octal', r'\\[0-7]{3}'),
        PatternRule(r'escaped', r'\\.'),
        PatternRule(r'data', r'[^\\"]+'),
    ]

class ELispGrammar(Grammar):
    rules = [
        PatternRule(r'comment', r';.*$'),
        PatternRule(r'delimiter', r'[()]'),
        PatternRule(r'elisp_reserved', r'(?:nil)(?![a-zA-Z0-9_])'),
        PatternRule(r'elisp_keyword', r'(?:while|when|unless|setq-default|setq|require|or|not|mapcar|list|let|lambda|if|exists|equal|defvar|defun|defalias|count|cons|cdr|car|apply|and)(?![a-zA-Z0-9_])'),
        PatternRule(r'elisp_symbol', r"'[a-zA-Z_][a-zA-Z0-9-_]*"),
        PatternRule(r'elisp_type', r":[a-zA-Z_][a-zA-Z0-9-_]*"),
        PatternRule(r'attribute', r"&[a-zA-Z_][a-zA-Z0-9-_]*"),
        PatternRule(r'bareword', r"[a-zA-Z_][a-zA-Z0-9-_]*"),
        PatternRule(r"integer", r"(?<![\.0-9a-zA-Z_])(?:0|-?[1-9][0-9]*|0[0-7]+|0[xX][0-9a-fA-F]+)[lL]?(?![\.0-9a-zA-Z_])"),
        PatternRule(r"float", r"(?<![\.0-9a-zA-Z_])(?:[0-9]+\.[0-9]*|\.[0-9]+|(?:[0-9]|[0-9]+\.[0-9]*|\.[0-9]+)[eE][\+-]?[0-9]+)(?![\.0-9a-zA-Z_])"),
        PatternRule(r"imaginary", r"(?<![\.0-9a-zA-Z_])(?:[0-9]+|(?:[0-9]+\.[0-9]*|\.[0-9]+|(?:[0-9]|[0-9]+\.[0-9]*|\.[0-9]+)[eE][\+-]?[0-9]+)[jJ])(?![\.0-9a-zA-Z_])"),
        RegionRule(r'string', r'"', StringGrammar, r'"'),
        PatternRule(r'eol', r'\n$'),
    ]

class ELisp(mode.Fundamental):
    modename    = 'ELisp'
    tabwidth    = 2
    basenames   = ['.emacs']
    extensions  = ['.el']
    tabbercls   = LispTabber
    grammar     = ELispGrammar
    commentc    = ';'
    opentokens  = ('delimiter',)
    opentags    = {'(': ')', '[': ']', '{': '}'}
    closetokens = ('delimiter',)
    closetags   = {')': '(', ']': '[', '}': '{'}
    colors      = {
        'elisp_keyword':  ('cyan', 'default', 'bold'),
        'elisp_reserved': ('blue', 'default', 'bold'),
        'elisp_symbol':   ('magenta', 'default', 'bold'),
        'elisp_type':     ('blue', 'default', 'bold'),
    }
    _bindings = {
        'close-paren': (')',),
        'close-brace': ('}',),
        'close-bracket': (']',),
        'lisp-comment-region': ('C-c #',),
        'lisp-uncomment-region': ('C-u C-C #',),
    }

install = ELisp.install