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""" |
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pygments.lexers.berry |
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~~~~~~~~~~~~~~~~~~~~~ |
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Lexer for Berry. |
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:copyright: Copyright 2006-2025 by the Pygments team, see AUTHORS. |
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:license: BSD, see LICENSE for details. |
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""" |
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from pygments.lexer import RegexLexer, words, include, bygroups |
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from pygments.token import Comment, Whitespace, Operator, Keyword, Name, \ |
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String, Number, Punctuation |
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__all__ = ['BerryLexer'] |
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class BerryLexer(RegexLexer): |
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""" |
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For Berry source code. |
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""" |
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name = 'Berry' |
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aliases = ['berry', 'be'] |
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filenames = ['*.be'] |
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mimetypes = ['text/x-berry', 'application/x-berry'] |
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url = 'https://berry-lang.github.io' |
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version_added = '2.12' |
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_name = r'\b[^\W\d]\w*' |
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tokens = { |
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'root': [ |
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include('whitespace'), |
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include('numbers'), |
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include('keywords'), |
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(rf'(def)(\s+)({_name})', |
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bygroups(Keyword.Declaration, Whitespace, Name.Function)), |
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(rf'\b(class)(\s+)({_name})', |
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bygroups(Keyword.Declaration, Whitespace, Name.Class)), |
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(rf'\b(import)(\s+)({_name})', |
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bygroups(Keyword.Namespace, Whitespace, Name.Namespace)), |
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include('expr') |
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], |
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'expr': [ |
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(r'[^\S\n]+', Whitespace), |
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(r'\.\.|[~!%^&*+=|?:<>/-]', Operator), |
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(r'[(){}\[\],.;]', Punctuation), |
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include('controls'), |
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include('builtins'), |
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include('funccall'), |
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include('member'), |
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include('name'), |
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include('strings') |
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], |
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'whitespace': [ |
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(r'\s+', Whitespace), |
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(r'#-(.|\n)*?-#', Comment.Multiline), |
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(r'#.*?$', Comment.Single) |
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], |
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'keywords': [ |
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(words(( |
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'as', 'break', 'continue', 'import', 'static', 'self', 'super'), |
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suffix=r'\b'), Keyword.Reserved), |
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(r'(true|false|nil)\b', Keyword.Constant), |
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(r'(var|def)\b', Keyword.Declaration) |
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], |
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'controls': [ |
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(words(( |
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'if', 'elif', 'else', 'for', 'while', 'do', 'end', 'break', |
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'continue', 'return', 'try', 'except', 'raise'), |
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suffix=r'\b'), Keyword) |
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], |
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'builtins': [ |
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(words(( |
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'assert', 'bool', 'input', 'classname', 'classof', 'number', 'real', |
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'bytes', 'compile', 'map', 'list', 'int', 'isinstance', 'print', |
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'range', 'str', 'super', 'module', 'size', 'issubclass', 'open', |
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'file', 'type', 'call'), |
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suffix=r'\b'), Name.Builtin) |
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], |
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'numbers': [ |
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(r'0[xX][a-fA-F0-9]+', Number.Hex), |
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(r'-?\d+', Number.Integer), |
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(r'(-?\d+\.?|\.\d)\d*([eE][+-]?\d+)?', Number.Float) |
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], |
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'name': [ |
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(_name, Name) |
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], |
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'funccall': [ |
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(rf'{_name}(?=\s*\()', Name.Function, '#pop') |
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], |
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'member': [ |
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(rf'(?<=\.){_name}\b(?!\()', Name.Attribute, '#pop') |
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], |
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'strings': [ |
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(r'"([^\\]|\\.)*?"', String.Double, '#pop'), |
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(r'\'([^\\]|\\.)*?\'', String.Single, '#pop') |
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] |
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} |
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