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""" |
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pygments.lexers.boa |
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~~~~~~~~~~~~~~~~~~~ |
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Lexers for the Boa language. |
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:copyright: Copyright 2006-2024 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 |
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from pygments.token import String, Comment, Keyword, Name, Number, Operator, \ |
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Punctuation, Whitespace |
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__all__ = ['BoaLexer'] |
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class BoaLexer(RegexLexer): |
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""" |
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Lexer for the Boa language. |
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""" |
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name = 'Boa' |
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aliases = ['boa'] |
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filenames = ['*.boa'] |
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url = 'https://boa.cs.iastate.edu/docs' |
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version_added = '2.4' |
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reserved = words( |
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('input', 'output', 'of', 'weight', 'before', 'after', 'stop', |
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'ifall', 'foreach', 'exists', 'function', 'break', 'switch', 'case', |
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'visitor', 'default', 'return', 'visit', 'while', 'if', 'else'), |
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suffix=r'\b', prefix=r'\b') |
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keywords = words( |
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('bottom', 'collection', 'maximum', 'mean', 'minimum', 'set', 'sum', |
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'top', 'string', 'int', 'bool', 'float', 'time', 'false', 'true', |
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'array', 'map', 'stack', 'enum', 'type'), suffix=r'\b', prefix=r'\b') |
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classes = words( |
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('Project', 'ForgeKind', 'CodeRepository', 'Revision', 'RepositoryKind', |
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'ChangedFile', 'FileKind', 'ASTRoot', 'Namespace', 'Declaration', 'Type', |
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'Method', 'Variable', 'Statement', 'Expression', 'Modifier', |
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'StatementKind', 'ExpressionKind', 'ModifierKind', 'Visibility', |
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'TypeKind', 'Person', 'ChangeKind'), |
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suffix=r'\b', prefix=r'\b') |
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operators = ('->', ':=', ':', '=', '<<', '!', '++', '||', |
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'&&', '+', '-', '*', ">", "<") |
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string_sep = ('`', '\"') |
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built_in_functions = words( |
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( |
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'new', 'sort', |
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'yearof', 'dayofyear', 'hourof', 'minuteof', 'secondof', 'now', |
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'addday', 'addmonth', 'addweek', 'addyear', 'dayofmonth', 'dayofweek', |
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'dayofyear', 'formattime', 'trunctoday', 'trunctohour', 'trunctominute', |
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'trunctomonth', 'trunctosecond', 'trunctoyear', |
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'clear', 'haskey', 'keys', 'lookup', 'remove', 'values', |
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'abs', 'acos', 'acosh', 'asin', 'asinh', 'atan', 'atan2', 'atanh', |
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'ceil', 'cos', 'cosh', 'exp', 'floor', 'highbit', 'isfinite', 'isinf', |
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'isnan', 'isnormal', 'log', 'log10', 'max', 'min', 'nrand', 'pow', |
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'rand', 'round', 'sin', 'sinh', 'sqrt', 'tan', 'tanh', 'trunc', |
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'def', 'hash', 'len', |
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'add', 'contains', 'remove', |
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'format', 'lowercase', 'match', 'matchposns', 'matchstrs', 'regex', |
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'split', 'splitall', 'splitn', 'strfind', 'strreplace', 'strrfind', |
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'substring', 'trim', 'uppercase', |
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'bool', 'float', 'int', 'string', 'time', |
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'getast', 'getsnapshot', 'hasfiletype', 'isfixingrevision', 'iskind', |
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'isliteral', |
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), |
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prefix=r'\b', |
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suffix=r'\(') |
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tokens = { |
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'root': [ |
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(r'#.*?$', Comment.Single), |
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(r'/\*.*?\*/', Comment.Multiline), |
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(reserved, Keyword.Reserved), |
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(built_in_functions, Name.Function), |
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(keywords, Keyword.Type), |
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(classes, Name.Classes), |
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(words(operators), Operator), |
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(r'[][(),;{}\\.]', Punctuation), |
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(r'"(\\\\|\\[^\\]|[^"\\])*"', String.Double), |
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(r"`(\\\\|\\[^\\]|[^`\\])*`", String.Backtick), |
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(words(string_sep), String.Delimiter), |
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(r'[a-zA-Z_]+', Name.Variable), |
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(r'[0-9]+', Number.Integer), |
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(r'\s+', Whitespace), |
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] |
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} |
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