codekingpro/portable-devtools

1"""2    pygments.lexers.arrow3    ~~~~~~~~~~~~~~~~~~~~~4 5    Lexer for Arrow.6 7    :copyright: Copyright 2006-present by the Pygments team, see AUTHORS.8    :license: BSD, see LICENSE for details.9"""10 11from pygments.lexer import RegexLexer, bygroups, default, include12from pygments.token import Text, Operator, Keyword, Punctuation, Name, \13    String, Number, Whitespace14 15__all__ = ['ArrowLexer']16 17TYPES = r'\b(int|bool|char)((?:\[\])*)(?=\s+)'18IDENT = r'([a-zA-Z_][a-zA-Z0-9_]*)'19DECL = TYPES + r'(\s+)' + IDENT20 21 22class ArrowLexer(RegexLexer):23    """24    Lexer for Arrow25    """26 27    name = 'Arrow'28    url = 'https://pypi.org/project/py-arrow-lang/'29    aliases = ['arrow']30    filenames = ['*.arw']31    version_added = '2.7'32 33    tokens = {34        'root': [35            (r'\s+', Whitespace),36            (r'^[|\s]+', Punctuation),37            include('blocks'),38            include('statements'),39            include('expressions'),40        ],41        'blocks': [42            (r'(function)(\n+)(/-->)(\s*)' +43             DECL +  # 4 groups44             r'(\()', bygroups(45                 Keyword.Reserved, Whitespace, Punctuation,46                 Whitespace, Keyword.Type, Punctuation, Whitespace,47                 Name.Function, Punctuation48             ), 'fparams'),49            (r'/-->$|\\-->$|/--<|\\--<|\^', Punctuation),50        ],51        'statements': [52            (DECL, bygroups(Keyword.Type, Punctuation, Text, Name.Variable)),53            (r'\[', Punctuation, 'index'),54            (r'=', Operator),55            (r'require|main', Keyword.Reserved),56            (r'print', Keyword.Reserved, 'print'),57        ],58        'expressions': [59            (r'\s+', Whitespace),60            (r'[0-9]+', Number.Integer),61            (r'true|false', Keyword.Constant),62            (r"'", String.Char, 'char'),63            (r'"', String.Double, 'string'),64            (r'\{', Punctuation, 'array'),65            (r'==|!=|<|>|\+|-|\*|/|%', Operator),66            (r'and|or|not|length', Operator.Word),67            (r'(input)(\s+)(int|char\[\])', bygroups(68                Keyword.Reserved, Whitespace, Keyword.Type69            )),70            (IDENT + r'(\()', bygroups(71                Name.Function, Punctuation72            ), 'fargs'),73            (IDENT, Name.Variable),74            (r'\[', Punctuation, 'index'),75            (r'\(', Punctuation, 'expressions'),76            (r'\)', Punctuation, '#pop'),77        ],78        'print': [79            include('expressions'),80            (r',', Punctuation),81            default('#pop'),82        ],83        'fparams': [84            (DECL, bygroups(Keyword.Type, Punctuation, Whitespace, Name.Variable)),85            (r',', Punctuation),86            (r'\)', Punctuation, '#pop'),87        ],88        'escape': [89            (r'\\(["\\/abfnrtv]|[0-9]{1,3}|x[0-9a-fA-F]{2}|u[0-9a-fA-F]{4})',90             String.Escape),91        ],92        'char': [93            (r"'", String.Char, '#pop'),94            include('escape'),95            (r"[^'\\]", String.Char),96        ],97        'string': [98            (r'"', String.Double, '#pop'),99            include('escape'),100            (r'[^"\\]+', String.Double),101        ],102        'array': [103            include('expressions'),104            (r'\}', Punctuation, '#pop'),105            (r',', Punctuation),106        ],107        'fargs': [108            include('expressions'),109            (r'\)', Punctuation, '#pop'),110            (r',', Punctuation),111        ],112        'index': [113            include('expressions'),114            (r'\]', Punctuation, '#pop'),115        ],116    }117