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80 lines
2.5 KiB
80 lines
2.5 KiB
"""
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pygments.lexers.smithy
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~~~~~~~~~~~~~~~~~~~~~~
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Lexers for the Smithy IDL.
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:copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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import re
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from pygments.lexer import RegexLexer, bygroups, words
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from pygments.token import Text, Comment, Keyword, Name, String, \
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Number, Whitespace, Punctuation
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__all__ = ['SmithyLexer']
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class SmithyLexer(RegexLexer):
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"""
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For Smithy IDL
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.. versionadded:: 2.10
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"""
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name = 'Smithy'
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filenames = ['*.smithy']
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aliases = ['smithy']
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flags = re.MULTILINE | re.UNICODE
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unquoted = r'[A-Za-z0-9_\.#$-]+'
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identifier = r"[A-Za-z0-9_\.#$-]+"
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simple_shapes = (
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'use', 'byte', 'short', 'integer', 'long', 'float', 'document',
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'double', 'bigInteger', 'bigDecimal', 'boolean', 'blob', 'string',
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'timestamp',
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)
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aggregate_shapes = (
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'apply', 'list', 'map', 'set', 'structure', 'union', 'resource',
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'operation', 'service', 'trait'
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)
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tokens = {
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'root': [
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(r'///.*$', Comment.Multiline),
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(r'//.*$', Comment),
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(r'@[0-9a-zA-Z\.#-]*', Name.Decorator),
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(r'(=)', Name.Decorator),
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(r'^(\$version)(:)(.+)',
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bygroups(Keyword.Declaration, Name.Decorator, Name.Class)),
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(r'^(namespace)(\s+' + identifier + r')\b',
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bygroups(Keyword.Declaration, Name.Class)),
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(words(simple_shapes,
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prefix=r'^', suffix=r'(\s+' + identifier + r')\b'),
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bygroups(Keyword.Declaration, Name.Class)),
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(words(aggregate_shapes,
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prefix=r'^', suffix=r'(\s+' + identifier + r')'),
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bygroups(Keyword.Declaration, Name.Class)),
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(r'^(metadata)(\s+.+)(\s*)(=)',
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bygroups(Keyword.Declaration, Name.Class, Whitespace, Name.Decorator)),
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(r"(true|false|null)", Keyword.Constant),
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(r"(-?(?:0|[1-9]\d*)(?:\.\d+)?(?:[eE][+-]?\d+)?)", Number),
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(identifier + ":", Name.Label),
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(identifier, Name.Variable.Class),
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(r'\[', Text, "#push"),
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(r'\]', Text, "#pop"),
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(r'\(', Text, "#push"),
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(r'\)', Text, "#pop"),
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(r'\{', Text, "#push"),
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(r'\}', Text, "#pop"),
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(r'"{3}(\\\\|\n|\\")*"{3}', String.Doc),
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(r'"(\\\\|\n|\\"|[^"])*"', String.Double),
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(r"'(\\\\|\n|\\'|[^'])*'", String.Single),
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(r'[:,]+', Punctuation),
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(r'\s+', Whitespace),
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]
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}
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