300 lines
10 KiB
Python
300 lines
10 KiB
Python
"""
|
|
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'),
|
|
],
|
|
}
|