Viewing file:  capnproto.py (2.17 KB) -rw-r--r--
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"""
pygments.lexers.capnproto
~~~~~~~~~~~~~~~~~~~~~~~~~
Lexers for the Cap'n Proto schema language.
:copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import re
from pygments.lexer import RegexLexer, default
from pygments.token import Text, Comment, Keyword, Name, Literal, Whitespace
__all__ = ['CapnProtoLexer']
class CapnProtoLexer(RegexLexer):
"""
For `Cap'n Proto <https://capnproto.org>`_ source.
.. versionadded:: 2.2
"""
name = 'Cap\'n Proto'
filenames = ['*.capnp']
aliases = ['capnp']
flags = re.MULTILINE | re.UNICODE
tokens = {
'root': [
(r'#.*?$', Comment.Single),
(r'@[0-9a-zA-Z]*', Name.Decorator),
(r'=', Literal, 'expression'),
(r':', Name.Class, 'type'),
(r'\$', Name.Attribute, 'annotation'),
(r'(struct|enum|interface|union|import|using|const|annotation|'
r'extends|in|of|on|as|with|from|fixed)\b',
Keyword),
(r'[\w.]+', Name),
(r'[^#@=:$\w\s]+', Text),
(r'\s+', Whitespace),
],
'type': [
(r'[^][=;,(){}$]+', Name.Class),
(r'[\[(]', Name.Class, 'parentype'),
default('#pop'),
],
'parentype': [
(r'[^][;()]+', Name.Class),
(r'[\[(]', Name.Class, '#push'),
(r'[])]', Name.Class, '#pop'),
default('#pop'),
],
'expression': [
(r'[^][;,(){}$]+', Literal),
(r'[\[(]', Literal, 'parenexp'),
default('#pop'),
],
'parenexp': [
(r'[^][;()]+', Literal),
(r'[\[(]', Literal, '#push'),
(r'[])]', Literal, '#pop'),
default('#pop'),
],
'annotation': [
(r'[^][;,(){}=:]+', Name.Attribute),
(r'[\[(]', Name.Attribute, 'annexp'),
default('#pop'),
],
'annexp': [
(r'[^][;()]+', Name.Attribute),
(r'[\[(]', Name.Attribute, '#push'),
(r'[])]', Name.Attribute, '#pop'),
default('#pop'),
],
}
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