98 lines
3.8 KiB
Python
98 lines
3.8 KiB
Python
"""
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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 2006-2025 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
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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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# Array functions
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'new', 'sort',
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# Date & Time functions
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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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# Map functions
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'clear', 'haskey', 'keys', 'lookup', 'remove', 'values',
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# Math functions
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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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# Other functions
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'def', 'hash', 'len',
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# Set functions
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'add', 'contains', 'remove',
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# String functions
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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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# Type Conversion functions
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'bool', 'float', 'int', 'string', 'time',
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# Domain-Specific functions
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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), # Whitespace
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]
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}
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