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Python

2 years ago
"""
pygments.lexers.pony
~~~~~~~~~~~~~~~~~~~~
Lexers for Pony and related languages.
:copyright: Copyright 2006-2022 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
from pygments.lexer import RegexLexer, bygroups, words
from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
Number, Punctuation
__all__ = ['PonyLexer']
class PonyLexer(RegexLexer):
"""
For Pony source code.
.. versionadded:: 2.4
"""
name = 'Pony'
aliases = ['pony']
filenames = ['*.pony']
_caps = r'(iso|trn|ref|val|box|tag)'
tokens = {
'root': [
(r'\n', Text),
(r'[^\S\n]+', Text),
(r'//.*\n', Comment.Single),
(r'/\*', Comment.Multiline, 'nested_comment'),
(r'"""(?:.|\n)*?"""', String.Doc),
(r'"', String, 'string'),
(r'\'.*\'', String.Char),
(r'=>|[]{}:().~;,|&!^?[]', Punctuation),
(words((
'addressof', 'and', 'as', 'consume', 'digestof', 'is', 'isnt',
'not', 'or'),
suffix=r'\b'),
Operator.Word),
(r'!=|==|<<|>>|[-+/*%=<>]', Operator),
(words((
'box', 'break', 'compile_error', 'compile_intrinsic',
'continue', 'do', 'else', 'elseif', 'embed', 'end', 'error',
'for', 'if', 'ifdef', 'in', 'iso', 'lambda', 'let', 'match',
'object', 'recover', 'ref', 'repeat', 'return', 'tag', 'then',
'this', 'trn', 'try', 'until', 'use', 'var', 'val', 'where',
'while', 'with', '#any', '#read', '#send', '#share'),
suffix=r'\b'),
Keyword),
(r'(actor|class|struct|primitive|interface|trait|type)((?:\s)+)',
bygroups(Keyword, Text), 'typename'),
(r'(new|fun|be)((?:\s)+)', bygroups(Keyword, Text), 'methodname'),
(words((
'I8', 'U8', 'I16', 'U16', 'I32', 'U32', 'I64', 'U64', 'I128',
'U128', 'ILong', 'ULong', 'ISize', 'USize', 'F32', 'F64',
'Bool', 'Pointer', 'None', 'Any', 'Array', 'String',
'Iterator'),
suffix=r'\b'),
Name.Builtin.Type),
(r'_?[A-Z]\w*', Name.Type),
(r'(\d+\.\d*|\.\d+|\d+)[eE][+-]?\d+', Number.Float),
(r'0x[0-9a-fA-F]+', Number.Hex),
(r'\d+', Number.Integer),
(r'(true|false)\b', Name.Builtin),
(r'_\d*', Name),
(r'_?[a-z][\w\']*', Name)
],
'typename': [
(_caps + r'?((?:\s)*)(_?[A-Z]\w*)',
bygroups(Keyword, Text, Name.Class), '#pop')
],
'methodname': [
(_caps + r'?((?:\s)*)(_?[a-z]\w*)',
bygroups(Keyword, Text, Name.Function), '#pop')
],
'nested_comment': [
(r'[^*/]+', Comment.Multiline),
(r'/\*', Comment.Multiline, '#push'),
(r'\*/', Comment.Multiline, '#pop'),
(r'[*/]', Comment.Multiline)
],
'string': [
(r'"', String, '#pop'),
(r'\\"', String),
(r'[^\\"]+', String)
]
}