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coffee.pygments/pygments/lexers/boa.py
Jean Abou Samra 25f230191f Move versionadded data to a lexer attribute
That way, we can set it to "" for old lexers, and check that it's
present on new lexers. (In the future, we might also use it for better
presentation in the documentation.)
2023-11-26 14:51:52 +01:00

97 lines
3.8 KiB
Python

"""
pygments.lexers.boa
~~~~~~~~~~~~~~~~~~~
Lexers for the Boa language.
:copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
from pygments.lexer import RegexLexer, words
from pygments.token import String, Comment, Keyword, Name, Number, Operator, \
Punctuation, Whitespace
__all__ = ['BoaLexer']
class BoaLexer(RegexLexer):
"""
Lexer for the Boa language.
"""
name = 'Boa'
aliases = ['boa']
filenames = ['*.boa']
url = 'https://boa.cs.iastate.edu/docs'
version_added = '2.4'
reserved = words(
('input', 'output', 'of', 'weight', 'before', 'after', 'stop',
'ifall', 'foreach', 'exists', 'function', 'break', 'switch', 'case',
'visitor', 'default', 'return', 'visit', 'while', 'if', 'else'),
suffix=r'\b', prefix=r'\b')
keywords = words(
('bottom', 'collection', 'maximum', 'mean', 'minimum', 'set', 'sum',
'top', 'string', 'int', 'bool', 'float', 'time', 'false', 'true',
'array', 'map', 'stack', 'enum', 'type'), suffix=r'\b', prefix=r'\b')
classes = words(
('Project', 'ForgeKind', 'CodeRepository', 'Revision', 'RepositoryKind',
'ChangedFile', 'FileKind', 'ASTRoot', 'Namespace', 'Declaration', 'Type',
'Method', 'Variable', 'Statement', 'Expression', 'Modifier',
'StatementKind', 'ExpressionKind', 'ModifierKind', 'Visibility',
'TypeKind', 'Person', 'ChangeKind'),
suffix=r'\b', prefix=r'\b')
operators = ('->', ':=', ':', '=', '<<', '!', '++', '||',
'&&', '+', '-', '*', ">", "<")
string_sep = ('`', '\"')
built_in_functions = words(
(
# Array functions
'new', 'sort',
# Date & Time functions
'yearof', 'dayofyear', 'hourof', 'minuteof', 'secondof', 'now',
'addday', 'addmonth', 'addweek', 'addyear', 'dayofmonth', 'dayofweek',
'dayofyear', 'formattime', 'trunctoday', 'trunctohour', 'trunctominute',
'trunctomonth', 'trunctosecond', 'trunctoyear',
# Map functions
'clear', 'haskey', 'keys', 'lookup', 'remove', 'values',
# Math functions
'abs', 'acos', 'acosh', 'asin', 'asinh', 'atan', 'atan2', 'atanh',
'ceil', 'cos', 'cosh', 'exp', 'floor', 'highbit', 'isfinite', 'isinf',
'isnan', 'isnormal', 'log', 'log10', 'max', 'min', 'nrand', 'pow',
'rand', 'round', 'sin', 'sinh', 'sqrt', 'tan', 'tanh', 'trunc',
# Other functions
'def', 'hash', 'len',
# Set functions
'add', 'contains', 'remove',
# String functions
'format', 'lowercase', 'match', 'matchposns', 'matchstrs', 'regex',
'split', 'splitall', 'splitn', 'strfind', 'strreplace', 'strrfind',
'substring', 'trim', 'uppercase',
# Type Conversion functions
'bool', 'float', 'int', 'string', 'time',
# Domain-Specific functions
'getast', 'getsnapshot', 'hasfiletype', 'isfixingrevision', 'iskind',
'isliteral',
),
prefix=r'\b',
suffix=r'\(')
tokens = {
'root': [
(r'#.*?$', Comment.Single),
(r'/\*.*?\*/', Comment.Multiline),
(reserved, Keyword.Reserved),
(built_in_functions, Name.Function),
(keywords, Keyword.Type),
(classes, Name.Classes),
(words(operators), Operator),
(r'[][(),;{}\\.]', Punctuation),
(r'"(\\\\|\\[^\\]|[^"\\])*"', String.Double),
(r"`(\\\\|\\[^\\]|[^`\\])*`", String.Backtick),
(words(string_sep), String.Delimiter),
(r'[a-zA-Z_]+', Name.Variable),
(r'[0-9]+', Number.Integer),
(r'\s+', Whitespace), # Whitespace
]
}