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"""
pygments.lexers.smithy
~~~~~~~~~~~~~~~~~~~~~~
Lexers for the Smithy IDL.
:copyright: Copyright 2006-2022 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import re
from pygments.lexer import RegexLexer, bygroups, words
from pygments.token import Text, Comment, Keyword, Name, String, \
Number, Whitespace, Punctuation
__all__ = ['SmithyLexer']
class SmithyLexer(RegexLexer):
"""
For Smithy IDL
.. versionadded:: 2.10
"""
name = 'Smithy'
url = 'https://awslabs.github.io/smithy/'
filenames = ['*.smithy']
aliases = ['smithy']
unquoted = r'[A-Za-z0-9_\.#$-]+'
identifier = r"[A-Za-z0-9_\.#$-]+"
simple_shapes = (
'use', 'byte', 'short', 'integer', 'long', 'float', 'document',
'double', 'bigInteger', 'bigDecimal', 'boolean', 'blob', 'string',
'timestamp',
)
aggregate_shapes = (
'apply', 'list', 'map', 'set', 'structure', 'union', 'resource',
'operation', 'service', 'trait'
)
tokens = {
'root': [
(r'///.*$', Comment.Multiline),
(r'//.*$', Comment),
(r'@[0-9a-zA-Z\.#-]*', Name.Decorator),
(r'(=)', Name.Decorator),
(r'^(\$version)(:)(.+)',
bygroups(Keyword.Declaration, Name.Decorator, Name.Class)),
(r'^(namespace)(\s+' + identifier + r')\b',
bygroups(Keyword.Declaration, Name.Class)),
(words(simple_shapes,
prefix=r'^', suffix=r'(\s+' + identifier + r')\b'),
bygroups(Keyword.Declaration, Name.Class)),
(words(aggregate_shapes,
prefix=r'^', suffix=r'(\s+' + identifier + r')'),
bygroups(Keyword.Declaration, Name.Class)),
(r'^(metadata)(\s+.+)(\s*)(=)',
bygroups(Keyword.Declaration, Name.Class, Whitespace, Name.Decorator)),
(r"(true|false|null)", Keyword.Constant),
(r"(-?(?:0|[1-9]\d*)(?:\.\d+)?(?:[eE][+-]?\d+)?)", Number),
(identifier + ":", Name.Label),
(identifier, Name.Variable.Class),
(r'\[', Text, "#push"),
(r'\]', Text, "#pop"),
(r'\(', Text, "#push"),
(r'\)', Text, "#pop"),
(r'\{', Text, "#push"),
(r'\}', Text, "#pop"),
(r'"{3}(\\\\|\n|\\")*"{3}', String.Doc),
(r'"(\\\\|\n|\\"|[^"])*"', String.Double),
(r"'(\\\\|\n|\\'|[^'])*'", String.Single),
(r'[:,]+', Punctuation),
(r'\s+', Whitespace),
]
}
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