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66 lines
2.6 KiB
Python
66 lines
2.6 KiB
Python
"""
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pygments.lexers.verifpal
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~~~~~~~~~~~~~~~~~~~~~~~~
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Lexers for Verifpal languages.
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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, bygroups, default
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from pygments.token import Comment, Keyword, Name, String, Punctuation, \
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Whitespace
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__all__ = ['VerifpalLexer']
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class VerifpalLexer(RegexLexer):
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"""
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For Verifpal code.
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"""
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name = 'Verifpal'
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aliases = ['verifpal']
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filenames = ['*.vp']
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mimetypes = ['text/x-verifpal']
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url = 'https://verifpal.com'
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version_added = '2.16'
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tokens = {
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'root': [
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(r'//.*$', Comment.Single),
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(r'(principal)( +)(\w+)( *)(\[)(.*)$', bygroups(Name.Builtin, Whitespace, String, Whitespace, Punctuation, Whitespace)),
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(r'(attacker)( *)(\[)( *)(passive|active)( *)(\])( *)$', bygroups(Name.Builtin, Whitespace, Punctuation, Whitespace, String, Whitespace, Punctuation, Whitespace)),
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(r'(knows)( +)(private|public)( +)', bygroups(Name.Builtin, Whitespace, Keyword.Constant, Whitespace), 'shared'),
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(r'(queries)( +)(\[)', bygroups(Name.Builtin, Whitespace, Punctuation), 'queries'),
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(r'(\w+)( +)(->|→)( *)(\w+)( *)(\:)', bygroups(String, Whitespace, Punctuation, Whitespace, String, Whitespace, Punctuation), 'shared'),
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(words(('generates', 'leaks'), suffix=r'\b'), Name.Builtin, 'shared'),
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(words(( 'phase', 'precondition',), suffix=r'\b'), Name.Builtin),
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(r'[\[\(\)\]\?:=→^,]', Punctuation),
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(r'->', Punctuation),
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(words(('password',), suffix=r'\b'), Keyword.Constant),
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(words(('AEAD_DEC', 'AEAD_ENC', 'ASSERT', 'BLIND', 'CONCAT',
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'DEC', 'ENC', 'G', 'HASH', 'HKDF', 'MAC', 'PKE_DEC',
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'PKE_ENC', 'PW_HASH', 'RINGSIGN', 'RINGSIGNVERIF',
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'SHAMIR_JOIN', 'SHAMIR_SPLIT', 'SIGN', 'SIGNVERIF',
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'SPLIT', 'UNBLIND', '_', 'nil'), suffix=r'\b'),
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Name.Function),
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(r'\s+', Whitespace),
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(r'\w+', Name.Variable),
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],
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'shared': [
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(r'[\^\[\],]', Punctuation),
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(r' +', Whitespace),
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(r'\w+', Name.Variable),
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default('#pop')
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],
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'queries': [
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(r'\s+', Name.Variable),
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(words(('confidentiality?', 'authentication?', 'freshness?',
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'unlinkability?', 'equivalence?'), suffix='( )'),
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bygroups(Keyword.Pseudo, Whitespace), 'shared'),
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default('#pop')
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]
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}
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