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"""
pygments.lexers.verifpal
~~~~~~~~~~~~~~~~~~~~~~~~
Lexers for Verifpal languages.
:copyright: Copyright 2006-2024 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
from pygments.lexer import RegexLexer, words, bygroups, default
from pygments.token import Comment, Keyword, Name, String, Punctuation, \
Whitespace
__all__ = ['VerifpalLexer']
class VerifpalLexer(RegexLexer):
"""
For Verifpal code.
"""
name = 'Verifpal'
aliases = ['verifpal']
filenames = ['*.vp']
mimetypes = ['text/x-verifpal']
url = 'https://verifpal.com'
version_added = '2.16'
tokens = {
'root': [
(r'//.*$', Comment.Single),
(r'(principal)( +)(\w+)( *)(\[)(.*)$', bygroups(Name.Builtin, Whitespace, String, Whitespace, Punctuation, Whitespace)),
(r'(attacker)( *)(\[)( *)(passive|active)( *)(\])( *)$', bygroups(Name.Builtin, Whitespace, Punctuation, Whitespace, String, Whitespace, Punctuation, Whitespace)),
(r'(knows)( +)(private|public)( +)', bygroups(Name.Builtin, Whitespace, Keyword.Constant, Whitespace), 'shared'),
(r'(queries)( +)(\[)', bygroups(Name.Builtin, Whitespace, Punctuation), 'queries'),
(r'(\w+)( +)(->|→)( *)(\w+)( *)(\:)', bygroups(String, Whitespace, Punctuation, Whitespace, String, Whitespace, Punctuation), 'shared'),
(words(('generates', 'leaks'), suffix=r'\b'), Name.Builtin, 'shared'),
(words(( 'phase', 'precondition',), suffix=r'\b'), Name.Builtin),
(r'[\[\(\)\]\?:=→^,]', Punctuation),
(r'->', Punctuation),
(words(('password',), suffix=r'\b'), Keyword.Constant),
(words(('AEAD_DEC', 'AEAD_ENC', 'ASSERT', 'BLIND', 'CONCAT',
'DEC', 'ENC', 'G', 'HASH', 'HKDF', 'MAC', 'PKE_DEC',
'PKE_ENC', 'PW_HASH', 'RINGSIGN', 'RINGSIGNVERIF',
'SHAMIR_JOIN', 'SHAMIR_SPLIT', 'SIGN', 'SIGNVERIF',
'SPLIT', 'UNBLIND', '_', 'nil'), suffix=r'\b'),
Name.Function),
(r'\s+', Whitespace),
(r'\w+', Name.Variable),
],
'shared': [
(r'[\^\[\],]', Punctuation),
(r' +', Whitespace),
(r'\w+', Name.Variable),
default('#pop')
],
'queries': [
(r'\s+', Name.Variable),
(words(('confidentiality?', 'authentication?', 'freshness?',
'unlinkability?', 'equivalence?'), suffix='( )'),
bygroups(Keyword.Pseudo, Whitespace), 'shared'),
default('#pop')
]
}
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