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"""
pygments.lexers.yara
~~~~~~~~~~~~~~~~~~~~
Lexers for YARA.
: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 Comment, String, Name, Text, Punctuation, \
Operator, Keyword, Whitespace, Number
__all__ = ['YaraLexer']
class YaraLexer(RegexLexer):
"""
For YARA rules
.. versionadded:: 2.16
"""
name = 'YARA'
url = 'https://virustotal.github.io/yara/'
aliases = ['yara', 'yar']
filenames = ['*.yar']
mimetypes = ['text/x-yara']
tokens = {
'root': [
(r'\s+', Whitespace),
(r'//.*?$', Comment.Single),
(r'\#.*?$', Comment.Single),
(r'/\*', Comment.Multiline, 'comment'),
(words(('rule', 'private', 'global', 'import', 'include'),
prefix=r'\b', suffix=r'\b'),
Keyword.Declaration),
(words(('strings', 'condition', 'meta'), prefix=r'\b', suffix=r'\b'),
Keyword),
(words(('ascii', 'at', 'base64', 'base64wide', 'condition',
'contains', 'endswith', 'entrypoint', 'filesize', 'for',
'fullword', 'icontains', 'iendswith', 'iequals', 'in',
'include', 'int16', 'int16be', 'int32', 'int32be', 'int8',
'int8be', 'istartswith', 'matches', 'meta', 'nocase',
'none', 'of', 'startswith', 'strings', 'them', 'uint16',
'uint16be', 'uint32', 'uint32be', 'uint8', 'uint8be',
'wide', 'xor', 'defined'),
prefix=r'\b', suffix=r'\b'),
Name.Builtin),
(r'(true|false)\b', Keyword.Constant),
(r'(and|or|not|any|all)\b', Operator.Word),
(r'(\$\w+)', Name.Variable),
(r'"[^"]*"', String.Double),
(r'\'[^\']*\'', String.Single),
(r'\{.*?\}$', Number.Hex),
(r'(/.*?/)', String.Regex),
(r'[a-z_]\w*', Name),
(r'[$(){}[\].?+*|]', Punctuation),
(r'[:=,;]', Punctuation),
(r'.', Text)
],
'comment': [
(r'[^*/]+', Comment.Multiline),
(r'/\*', Comment.Multiline, '#push'),
(r'\*/', Comment.Multiline, '#pop'),
(r'[*/]', Comment.Multiline)
]
}
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