from pygments.lexer import RegexLexer
from pygments.token import *

__all__ = ['BoppiLexer']

class BoppiLexer(RegexLexer):
    name = 'Boppi'
    aliases = ['boppi']
    filenames = ['*.boppi']

    tokens = {
        'root': [
            (r'/\*.*?\*/', Comment),
            (r'//.*?$', Comment),
            (r'(read|print|if|then|else|fi|while|do|od)\b', Keyword),
            (r'(true|false)\b', Keyword.Constant),
            (r'(var|function)\b', Keyword.Declaration),
            (r'(int|bool|char)\b', Keyword.Type),
            (r'\(|\)|\{|\}|;|,', Punctuation),
            (r'\+|-|!|\*|/|<=|>=|<>|==|<|>|&&|\|\||->|:=', Operator),
            (r'[A-Za-z_][A-Za-z0-9_]*', Name.Variable),
            (r'0|[1-9][0-9]*', Number.Integer),
            (r'\'.\'', String.Char),
            (r'.+?', Text)
        ]
    }