You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
100 lines
3.1 KiB
100 lines
3.1 KiB
"""
|
|
pygments.lexers.berry
|
|
~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
Lexer for Berry.
|
|
|
|
:copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
|
|
:license: BSD, see LICENSE for details.
|
|
"""
|
|
|
|
from pygments.lexer import RegexLexer, words, include, bygroups
|
|
from pygments.token import Comment, Whitespace, Operator, Keyword, Name, \
|
|
String, Number, Punctuation
|
|
|
|
__all__ = ['BerryLexer']
|
|
|
|
|
|
class BerryLexer(RegexLexer):
|
|
"""
|
|
For `berry <http://github.com/berry-lang/berry>`_ source code.
|
|
|
|
.. versionadded:: 2.12.0
|
|
"""
|
|
name = 'Berry'
|
|
aliases = ['berry', 'be']
|
|
filenames = ['*.be']
|
|
mimetypes = ['text/x-berry', 'application/x-berry']
|
|
|
|
_name = r'\b[^\W\d]\w*'
|
|
|
|
tokens = {
|
|
'root': [
|
|
include('whitespace'),
|
|
include('numbers'),
|
|
include('keywords'),
|
|
(rf'(def)(\s+)({_name})',
|
|
bygroups(Keyword.Declaration, Whitespace, Name.Function)),
|
|
(rf'\b(class)(\s+)({_name})',
|
|
bygroups(Keyword.Declaration, Whitespace, Name.Class)),
|
|
(rf'\b(import)(\s+)({_name})',
|
|
bygroups(Keyword.Namespace, Whitespace, Name.Namespace)),
|
|
include('expr')
|
|
],
|
|
'expr': [
|
|
(r'[^\S\n]+', Whitespace),
|
|
(r'\.\.|[~!%^&*+=|?:<>/-]', Operator),
|
|
(r'[(){}\[\],.;]', Punctuation),
|
|
include('controls'),
|
|
include('builtins'),
|
|
include('funccall'),
|
|
include('member'),
|
|
include('name'),
|
|
include('strings')
|
|
],
|
|
'whitespace': [
|
|
(r'\s+', Whitespace),
|
|
(r'#-(.|\n)*?-#', Comment.Multiline),
|
|
(r'#.*?$', Comment.Single)
|
|
],
|
|
'keywords': [
|
|
(words((
|
|
'as', 'break', 'continue', 'import', 'static', 'self', 'super'),
|
|
suffix=r'\b'), Keyword.Reserved),
|
|
(r'(true|false|nil)\b', Keyword.Constant),
|
|
(r'(var|def)\b', Keyword.Declaration)
|
|
],
|
|
'controls': [
|
|
(words((
|
|
'if', 'elif', 'else', 'for', 'while', 'do', 'end', 'break',
|
|
'continue', 'return', 'try', 'except', 'raise'),
|
|
suffix=r'\b'), Keyword)
|
|
],
|
|
'builtins': [
|
|
(words((
|
|
'assert', 'bool', 'input', 'classname', 'classof', 'number', 'real',
|
|
'bytes', 'compile', 'map', 'list', 'int', 'isinstance', 'print',
|
|
'range', 'str', 'super', 'module', 'size', 'issubclass', 'open',
|
|
'file', 'type', 'call'),
|
|
suffix=r'\b'), Name.Builtin)
|
|
],
|
|
'numbers': [
|
|
(r'0[xX][a-fA-F0-9]+', Number.Hex),
|
|
(r'-?\d+', Number.Integer),
|
|
(r'(-?\d+\.?|\.\d)\d*([eE][+-]?\d+)?', Number.Float)
|
|
],
|
|
'name': [
|
|
(_name, Name)
|
|
],
|
|
'funccall': [
|
|
(rf'{_name}(?=\s*\()', Name.Function, '#pop')
|
|
],
|
|
'member': [
|
|
(rf'(?<=\.){_name}\b(?!\()', Name.Attribute, '#pop')
|
|
],
|
|
'strings': [
|
|
(r'"([^\\]|\\.)*?"', String.Double, '#pop'),
|
|
(r'\'([^\\]|\\.)*?\'', String.Single, '#pop')
|
|
]
|
|
}
|