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75 lines
2.1 KiB
Python
75 lines
2.1 KiB
Python
"""
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pygments.lexers.capnproto
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~~~~~~~~~~~~~~~~~~~~~~~~~
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Lexers for the Cap'n Proto schema language.
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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, default
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from pygments.token import Text, Comment, Keyword, Name, Literal, Whitespace
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__all__ = ['CapnProtoLexer']
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class CapnProtoLexer(RegexLexer):
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"""
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For Cap'n Proto source.
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"""
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name = 'Cap\'n Proto'
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url = 'https://capnproto.org'
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filenames = ['*.capnp']
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aliases = ['capnp']
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version_added = '2.2'
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tokens = {
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'root': [
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(r'#.*?$', Comment.Single),
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(r'@[0-9a-zA-Z]*', Name.Decorator),
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(r'=', Literal, 'expression'),
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(r':', Name.Class, 'type'),
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(r'\$', Name.Attribute, 'annotation'),
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(r'(struct|enum|interface|union|import|using|const|annotation|'
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r'extends|in|of|on|as|with|from|fixed)\b',
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Keyword),
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(r'[\w.]+', Name),
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(r'[^#@=:$\w\s]+', Text),
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(r'\s+', Whitespace),
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],
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'type': [
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(r'[^][=;,(){}$]+', Name.Class),
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(r'[\[(]', Name.Class, 'parentype'),
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default('#pop'),
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],
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'parentype': [
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(r'[^][;()]+', Name.Class),
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(r'[\[(]', Name.Class, '#push'),
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(r'[])]', Name.Class, '#pop'),
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default('#pop'),
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],
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'expression': [
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(r'[^][;,(){}$]+', Literal),
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(r'[\[(]', Literal, 'parenexp'),
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default('#pop'),
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],
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'parenexp': [
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(r'[^][;()]+', Literal),
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(r'[\[(]', Literal, '#push'),
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(r'[])]', Literal, '#pop'),
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default('#pop'),
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],
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'annotation': [
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(r'[^][;,(){}=:]+', Name.Attribute),
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(r'[\[(]', Name.Attribute, 'annexp'),
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default('#pop'),
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],
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'annexp': [
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(r'[^][;()]+', Name.Attribute),
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(r'[\[(]', Name.Attribute, '#push'),
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(r'[])]', Name.Attribute, '#pop'),
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default('#pop'),
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],
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}
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