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""" pygments.lexers.webidl ~~~~~~~~~~~~~~~~~~~~~~ Lexers for Web IDL, including some extensions. :copyright: Copyright 2006-2022 by the Pygments team, see AUTHORS. :license: BSD, see LICENSE for details. """ from pygments.lexer import RegexLexer, default, include, words from pygments.token import Comment, Keyword, Name, Number, Punctuation, \ String, Text __all__ = ['WebIDLLexer'] _builtin_types = ( # primitive types 'byte', 'octet', 'boolean', r'(?:unsigned\s+)?(?:short|long(?:\s+long)?)', r'(?:unrestricted\s+)?(?:float|double)', # string types 'DOMString', 'ByteString', 'USVString', # exception types 'Error', 'DOMException', # typed array types 'Uint8Array', 'Uint16Array', 'Uint32Array', 'Uint8ClampedArray', 'Float32Array', 'Float64Array', # buffer source types 'ArrayBuffer', 'DataView', 'Int8Array', 'Int16Array', 'Int32Array', # other 'any', 'void', 'object', 'RegExp', ) _identifier = r'_?[A-Za-z][a-zA-Z0-9_-]*' _keyword_suffix = r'(?![\w-])' _string = r'"[^"]*"' class WebIDLLexer(RegexLexer): """ For Web IDL. .. versionadded:: 2.6 """ name = 'Web IDL' url = 'https://www.w3.org/wiki/Web_IDL' aliases = ['webidl'] filenames = ['*.webidl'] tokens = { 'common': [ (r'\s+', Text), (r'(?s)/\*.*?\*/', Comment.Multiline), (r'//.*', Comment.Single), (r'^#.*', Comment.Preproc), ], 'root': [ include('common'), (r'\[', Punctuation, 'extended_attributes'), (r'partial' + _keyword_suffix, Keyword), (r'typedef' + _keyword_suffix, Keyword, ('typedef', 'type')), (r'interface' + _keyword_suffix, Keyword, 'interface_rest'), (r'enum' + _keyword_suffix, Keyword, 'enum_rest'), (r'callback' + _keyword_suffix, Keyword, 'callback_rest'), (r'dictionary' + _keyword_suffix, Keyword, 'dictionary_rest'), (r'namespace' + _keyword_suffix, Keyword, 'namespace_rest'), (_identifier, Name.Class, 'implements_rest'), ], 'extended_attributes': [ include('common'), (r',', Punctuation), (_identifier, Name.Decorator), (r'=', Punctuation, 'extended_attribute_rest'), (r'\(', Punctuation, 'argument_list'), (r'\]', Punctuation, '#pop'), ], 'extended_attribute_rest': [ include('common'), (_identifier, Name, 'extended_attribute_named_rest'), (_string, String), (r'\(', Punctuation, 'identifier_list'), default('#pop'), ], 'extended_attribute_named_rest': [ include('common'), (r'\(', Punctuation, 'argument_list'), default('#pop'), ], 'argument_list': [ include('common'), (r'\)', Punctuation, '#pop'), default('argument'), ], 'argument': [ include('common'), (r'optional' + _keyword_suffix, Keyword), (r'\[', Punctuation, 'extended_attributes'), (r',', Punctuation, '#pop'), (r'\)', Punctuation, '#pop:2'), default(('argument_rest', 'type')) ], 'argument_rest': [ include('common'), (_identifier, Name.Variable), (r'\.\.\.', Punctuation), (r'=', Punctuation, 'default_value'), default('#pop'), ], 'identifier_list': [ include('common'), (_identifier, Name.Class), (r',', Punctuation), (r'\)', Punctuation, '#pop'), ], 'type': [ include('common'), (r'(?:' + r'|'.join(_builtin_types) + r')' + _keyword_suffix, Keyword.Type, 'type_null'), (words(('sequence', 'Promise', 'FrozenArray'), suffix=_keyword_suffix), Keyword.Type, 'type_identifier'), (_identifier, Name.Class, 'type_identifier'), (r'\(', Punctuation, 'union_type'), ], 'union_type': [ include('common'), (r'or' + _keyword_suffix, Keyword), (r'\)', Punctuation, ('#pop', 'type_null')), default('type'), ], 'type_identifier': [ (r'<', Punctuation, 'type_list'), default(('#pop', 'type_null')) ], 'type_null': [ (r'\?', Punctuation), default('#pop:2'), ], 'default_value': [ include('common'), include('const_value'), (_string, String, '#pop'), (r'\[\s*\]', Punctuation, '#pop'), ], 'const_value': [ include('common'), (words(('true', 'false', '-Infinity', 'Infinity', 'NaN', 'null'), suffix=_keyword_suffix), Keyword.Constant, '#pop'), (r'-?(?:(?:[0-9]+\.[0-9]*|[0-9]*\.[0-9]+)(?:[Ee][+-]?[0-9]+)?' + r'|[0-9]+[Ee][+-]?[0-9]+)', Number.Float, '#pop'), (r'-?[1-9][0-9]*', Number.Integer, '#pop'), (r'-?0[Xx][0-9A-Fa-f]+', Number.Hex, '#pop'), (r'-?0[0-7]*', Number.Oct, '#pop'), ], 'typedef': [ include('common'), (_identifier, Name.Class), (r';', Punctuation, '#pop'), ], 'namespace_rest': [ include('common'), (_identifier, Name.Namespace), (r'\{', Punctuation, 'namespace_body'), (r';', Punctuation, '#pop'), ], 'namespace_body': [ include('common'), (r'\[', Punctuation, 'extended_attributes'), (r'readonly' + _keyword_suffix, Keyword), (r'attribute' + _keyword_suffix, Keyword, ('attribute_rest', 'type')), (r'const' + _keyword_suffix, Keyword, ('const_rest', 'type')), (r'\}', Punctuation, '#pop'), default(('operation_rest', 'type')), ], 'interface_rest': [ include('common'), (_identifier, Name.Class), (r':', Punctuation), (r'\{', Punctuation, 'interface_body'), (r';', Punctuation, '#pop'), ], 'interface_body': [ (words(('iterable', 'maplike', 'setlike'), suffix=_keyword_suffix), Keyword, 'iterable_maplike_setlike_rest'), (words(('setter', 'getter', 'creator', 'deleter', 'legacycaller', 'inherit', 'static', 'stringifier', 'jsonifier'), suffix=_keyword_suffix), Keyword), (r'serializer' + _keyword_suffix, Keyword, 'serializer_rest'), (r';', Punctuation), include('namespace_body'), ], 'attribute_rest': [ include('common'), (_identifier, Name.Variable), (r';', Punctuation, '#pop'), ], 'const_rest': [ include('common'), (_identifier, Name.Constant), (r'=', Punctuation, 'const_value'), (r';', Punctuation, '#pop'), ], 'operation_rest': [ include('common'), (r';', Punctuation, '#pop'), default('operation'), ], 'operation': [ include('common'), (_identifier, Name.Function), (r'\(', Punctuation, 'argument_list'), (r';', Punctuation, '#pop:2'), ], 'iterable_maplike_setlike_rest': [ include('common'), (r'<', Punctuation, 'type_list'), (r';', Punctuation, '#pop'), ], 'type_list': [ include('common'), (r',', Punctuation), (r'>', Punctuation, '#pop'), default('type'), ], 'serializer_rest': [ include('common'), (r'=', Punctuation, 'serialization_pattern'), (r';', Punctuation, '#pop'), default('operation'), ], 'serialization_pattern': [ include('common'), (_identifier, Name.Variable, '#pop'), (r'\{', Punctuation, 'serialization_pattern_map'), (r'\[', Punctuation, 'serialization_pattern_list'), ], 'serialization_pattern_map': [ include('common'), (words(('getter', 'inherit', 'attribute'), suffix=_keyword_suffix), Keyword), (r',', Punctuation), (_identifier, Name.Variable), (r'\}', Punctuation, '#pop:2'), ], 'serialization_pattern_list': [ include('common'), (words(('getter', 'attribute'), suffix=_keyword_suffix), Keyword), (r',', Punctuation), (_identifier, Name.Variable), (r']', Punctuation, '#pop:2'), ], 'enum_rest': [ include('common'), (_identifier, Name.Class), (r'\{', Punctuation, 'enum_body'), (r';', Punctuation, '#pop'), ], 'enum_body': [ include('common'), (_string, String), (r',', Punctuation), (r'\}', Punctuation, '#pop'), ], 'callback_rest': [ include('common'), (r'interface' + _keyword_suffix, Keyword, ('#pop', 'interface_rest')), (_identifier, Name.Class), (r'=', Punctuation, ('operation', 'type')), (r';', Punctuation, '#pop'), ], 'dictionary_rest': [ include('common'), (_identifier, Name.Class), (r':', Punctuation), (r'\{', Punctuation, 'dictionary_body'), (r';', Punctuation, '#pop'), ], 'dictionary_body': [ include('common'), (r'\[', Punctuation, 'extended_attributes'), (r'required' + _keyword_suffix, Keyword), (r'\}', Punctuation, '#pop'), default(('dictionary_item', 'type')), ], 'dictionary_item': [ include('common'), (_identifier, Name.Variable), (r'=', Punctuation, 'default_value'), (r';', Punctuation, '#pop'), ], 'implements_rest': [ include('common'), (r'implements' + _keyword_suffix, Keyword), (_identifier, Name.Class), (r';', Punctuation, '#pop'), ], }