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114 lines
3.8 KiB
Python
114 lines
3.8 KiB
Python
"""
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pygments.lexers.verification
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Lexer for Intermediate Verification Languages (IVLs).
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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, include, words
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from pygments.token import Comment, Operator, Keyword, Name, Number, \
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Punctuation, Text, Generic
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__all__ = ['BoogieLexer', 'SilverLexer']
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class BoogieLexer(RegexLexer):
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"""
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For Boogie source code.
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"""
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name = 'Boogie'
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url = 'https://boogie-docs.readthedocs.io/en/latest/'
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aliases = ['boogie']
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filenames = ['*.bpl']
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version_added = '2.1'
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tokens = {
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'root': [
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# Whitespace and Comments
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(r'\n', Text),
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(r'\s+', Text),
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(r'\\\n', Text), # line continuation
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(r'//[/!](.*?)\n', Comment.Doc),
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(r'//(.*?)\n', Comment.Single),
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(r'/\*', Comment.Multiline, 'comment'),
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(words((
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'axiom', 'break', 'call', 'ensures', 'else', 'exists', 'function',
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'forall', 'if', 'invariant', 'modifies', 'procedure', 'requires',
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'then', 'var', 'while'),
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suffix=r'\b'), Keyword),
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(words(('const',), suffix=r'\b'), Keyword.Reserved),
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(words(('bool', 'int', 'ref'), suffix=r'\b'), Keyword.Type),
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include('numbers'),
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(r"(>=|<=|:=|!=|==>|&&|\|\||[+/\-=>*<\[\]])", Operator),
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(r'\{.*?\}', Generic.Emph), #triggers
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(r"([{}():;,.])", Punctuation),
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# Identifier
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(r'[a-zA-Z_]\w*', Name),
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],
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'comment': [
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(r'[^*/]+', Comment.Multiline),
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(r'/\*', Comment.Multiline, '#push'),
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(r'\*/', Comment.Multiline, '#pop'),
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(r'[*/]', Comment.Multiline),
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],
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'numbers': [
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(r'[0-9]+', Number.Integer),
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],
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}
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class SilverLexer(RegexLexer):
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"""
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For Silver source code.
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"""
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name = 'Silver'
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aliases = ['silver']
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filenames = ['*.sil', '*.vpr']
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url = 'https://github.com/viperproject/silver'
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version_added = '2.2'
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tokens = {
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'root': [
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# Whitespace and Comments
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(r'\n', Text),
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(r'\s+', Text),
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(r'\\\n', Text), # line continuation
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(r'//[/!](.*?)\n', Comment.Doc),
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(r'//(.*?)\n', Comment.Single),
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(r'/\*', Comment.Multiline, 'comment'),
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(words((
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'result', 'true', 'false', 'null', 'method', 'function',
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'predicate', 'program', 'domain', 'axiom', 'var', 'returns',
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'field', 'define', 'fold', 'unfold', 'inhale', 'exhale', 'new', 'assert',
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'assume', 'goto', 'while', 'if', 'elseif', 'else', 'fresh',
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'constraining', 'Seq', 'Set', 'Multiset', 'union', 'intersection',
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'setminus', 'subset', 'unfolding', 'in', 'old', 'forall', 'exists',
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'acc', 'wildcard', 'write', 'none', 'epsilon', 'perm', 'unique',
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'apply', 'package', 'folding', 'label', 'forperm'),
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suffix=r'\b'), Keyword),
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(words(('requires', 'ensures', 'invariant'), suffix=r'\b'), Name.Decorator),
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(words(('Int', 'Perm', 'Bool', 'Ref', 'Rational'), suffix=r'\b'), Keyword.Type),
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include('numbers'),
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(r'[!%&*+=|?:<>/\-\[\]]', Operator),
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(r'\{.*?\}', Generic.Emph), #triggers
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(r'([{}():;,.])', Punctuation),
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# Identifier
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(r'[\w$]\w*', Name),
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],
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'comment': [
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(r'[^*/]+', Comment.Multiline),
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(r'/\*', Comment.Multiline, '#push'),
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(r'\*/', Comment.Multiline, '#pop'),
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(r'[*/]', Comment.Multiline),
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],
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'numbers': [
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(r'[0-9]+', Number.Integer),
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],
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}
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