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coffee.pygments/pygments/lexers/capnproto.py
Jean Abou Samra 25f230191f Move versionadded data to a lexer attribute
That way, we can set it to "" for old lexers, and check that it's
present on new lexers. (In the future, we might also use it for better
presentation in the documentation.)
2023-11-26 14:51:52 +01:00

74 lines
2.1 KiB
Python

"""
pygments.lexers.capnproto
~~~~~~~~~~~~~~~~~~~~~~~~~
Lexers for the Cap'n Proto schema language.
:copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
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 source.
"""
name = 'Cap\'n Proto'
url = 'https://capnproto.org'
filenames = ['*.capnp']
aliases = ['capnp']
version_added = '2.2'
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'),
],
}