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"""
pygments.lexers.kuin
~~~~~~~~~~~~~~~~~~~~
Lexers for the Kuin language.
:copyright: Copyright 2006-2022 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
from pygments.lexer import RegexLexer, include, using, this, bygroups, words
from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
Number, Punctuation, Whitespace
__all__ = ['KuinLexer']
class KuinLexer(RegexLexer):
"""
For Kuin source code.
.. versionadded:: 2.9
"""
name = 'Kuin'
url = 'https://github.com/kuina/Kuin'
aliases = ['kuin']
filenames = ['*.kn']
tokens = {
'root': [
include('statement'),
],
'statement': [
# Whitespace / Comment
include('whitespace'),
# Block-statement
(r'(\+?)([ \t]*)(\*?)([ \t]*)(\bfunc)([ \t]+(?:\n\s*\|)*[ \t]*)([a-zA-Z_][0-9a-zA-Z_]*)',
bygroups(Keyword,Whitespace, Keyword, Whitespace, Keyword,
using(this), Name.Function), 'func_'),
(r'\b(class)([ \t]+(?:\n\s*\|)*[ \t]*)([a-zA-Z_][0-9a-zA-Z_]*)',
bygroups(Keyword, using(this), Name.Class), 'class_'),
(r'\b(enum)([ \t]+(?:\n\s*\|)*[ \t]*)([a-zA-Z_][0-9a-zA-Z_]*)',
bygroups(Keyword, using(this), Name.Constant), 'enum_'),
(r'\b(block)\b(?:([ \t]+(?:\n\s*\|)*[ \t]*)([a-zA-Z_][0-9a-zA-Z_]*))?',
bygroups(Keyword, using(this), Name.Other), 'block_'),
(r'\b(ifdef)\b(?:([ \t]+(?:\n\s*\|)*[ \t]*)([a-zA-Z_][0-9a-zA-Z_]*))?',
bygroups(Keyword, using(this), Name.Other), 'ifdef_'),
(r'\b(if)\b(?:([ \t]+(?:\n\s*\|)*[ \t]*)([a-zA-Z_][0-9a-zA-Z_]*))?',
bygroups(Keyword, using(this), Name.Other), 'if_'),
(r'\b(switch)\b(?:([ \t]+(?:\n\s*\|)*[ \t]*)([a-zA-Z_][0-9a-zA-Z_]*))?',
bygroups(Keyword, using(this), Name.Other), 'switch_'),
(r'\b(while)\b(?:([ \t]+(?:\n\s*\|)*[ \t]*)([a-zA-Z_][0-9a-zA-Z_]*))?',
bygroups(Keyword, using(this), Name.Other), 'while_'),
(r'\b(for)\b(?:([ \t]+(?:\n\s*\|)*[ \t]*)([a-zA-Z_][0-9a-zA-Z_]*))?',
bygroups(Keyword, using(this), Name.Other), 'for_'),
(r'\b(foreach)\b(?:([ \t]+(?:\n\s*\|)*[ \t]*)([a-zA-Z_][0-9a-zA-Z_]*))?',
bygroups(Keyword, using(this), Name.Other), 'foreach_'),
(r'\b(try)\b(?:([ \t]+(?:\n\s*\|)*[ \t]*)([a-zA-Z_][0-9a-zA-Z_]*))?',
bygroups(Keyword, using(this), Name.Other), 'try_'),
# Line-statement
(r'\b(do)\b', Keyword, 'do'),
(r'(\+?[ \t]*\bvar)\b', Keyword, 'var'),
(r'\b(const)\b', Keyword, 'const'),
(r'\b(ret)\b', Keyword, 'ret'),
(r'\b(throw)\b', Keyword, 'throw'),
(r'\b(alias)\b', Keyword, 'alias'),
(r'\b(assert)\b', Keyword, 'assert'),
(r'\|', Text, 'continued_line'),
(r'[ \t]*\n', Whitespace),
],
# Whitespace / Comment
'whitespace': [
(r'^([ \t]*)(;.*)', bygroups(Comment.Single, Whitespace)),
(r'[ \t]+(?![; \t])', Whitespace),
(r'\{', Comment.Multiline, 'multiline_comment'),
],
'multiline_comment': [
(r'\{', Comment.Multiline, 'multiline_comment'),
(r'(?:\s*;.*|[^{}\n]+)', Comment.Multiline),
(r'\n', Comment.Multiline),
(r'\}', Comment.Multiline, '#pop'),
],
# Block-statement
'func_': [
include('expr'),
(r'\n', Whitespace, 'func'),
],
'func': [
(r'\b(end)([ \t]+(?:\n\s*\|)*[ \t]*)(func)\b',
bygroups(Keyword, using(this), Keyword), '#pop:2'),
include('statement'),
],
'class_': [
include('expr'),
(r'\n', Whitespace, 'class'),
],
'class': [
(r'\b(end)([ \t]+(?:\n\s*\|)*[ \t]*)(class)\b',
bygroups(Keyword, using(this), Keyword), '#pop:2'),
include('statement'),
],
'enum_': [
include('expr'),
(r'\n', Whitespace, 'enum'),
],
'enum': [
(r'\b(end)([ \t]+(?:\n\s*\|)*[ \t]*)(enum)\b',
bygroups(Keyword, using(this), Keyword), '#pop:2'),
include('expr'),
(r'\n', Whitespace),
],
'block_': [
include('expr'),
(r'\n', Whitespace, 'block'),
],
'block': [
(r'\b(end)([ \t]+(?:\n\s*\|)*[ \t]*)(block)\b',
bygroups(Keyword, using(this), Keyword), '#pop:2'),
include('statement'),
include('break'),
include('skip'),
],
'ifdef_': [
include('expr'),
(r'\n', Whitespace, 'ifdef'),
],
'ifdef': [
(r'\b(end)([ \t]+(?:\n\s*\|)*[ \t]*)(ifdef)\b',
bygroups(Keyword, using(this), Keyword), '#pop:2'),
(words(('rls', 'dbg'), prefix=r'\b', suffix=r'\b'),
Keyword.Constant, 'ifdef_sp'),
include('statement'),
include('break'),
include('skip'),
],
'ifdef_sp': [
include('expr'),
(r'\n', Whitespace, '#pop'),
],
'if_': [
include('expr'),
(r'\n', Whitespace, 'if'),
],
'if': [
(r'\b(end)([ \t]+(?:\n\s*\|)*[ \t]*)(if)\b',
bygroups(Keyword, using(this), Keyword), '#pop:2'),
(words(('elif', 'else'), prefix=r'\b', suffix=r'\b'), Keyword, 'if_sp'),
include('statement'),
include('break'),
include('skip'),
],
'if_sp': [
include('expr'),
(r'\n', Whitespace, '#pop'),
],
'switch_': [
include('expr'),
(r'\n', Whitespace, 'switch'),
],
'switch': [
(r'\b(end)([ \t]+(?:\n\s*\|)*[ \t]*)(switch)\b',
bygroups(Keyword, using(this), Keyword), '#pop:2'),
(words(('case', 'default', 'to'), prefix=r'\b', suffix=r'\b'),
Keyword, 'switch_sp'),
include('statement'),
include('break'),
include('skip'),
],
'switch_sp': [
include('expr'),
(r'\n', Whitespace, '#pop'),
],
'while_': [
include('expr'),
(r'\n', Whitespace, 'while'),
],
'while': [
(r'\b(end)([ \t]+(?:\n\s*\|)*[ \t]*)(while)\b',
bygroups(Keyword, using(this), Keyword), '#pop:2'),
include('statement'),
include('break'),
include('skip'),
],
'for_': [
include('expr'),
(r'\n', Whitespace, 'for'),
],
'for': [
(r'\b(end)([ \t]+(?:\n\s*\|)*[ \t]*)(for)\b',
bygroups(Keyword, using(this), Keyword), '#pop:2'),
include('statement'),
include('break'),
include('skip'),
],
'foreach_': [
include('expr'),
(r'\n', Whitespace, 'foreach'),
],
'foreach': [
(r'\b(end)([ \t]+(?:\n\s*\|)*[ \t]*)(foreach)\b',
bygroups(Keyword, using(this), Keyword), '#pop:2'),
include('statement'),
include('break'),
include('skip'),
],
'try_': [
include('expr'),
(r'\n', Whitespace, 'try'),
],
'try': [
(r'\b(end)([ \t]+(?:\n\s*\|)*[ \t]*)(try)\b',
bygroups(Keyword, using(this), Keyword), '#pop:2'),
(words(('catch', 'finally', 'to'), prefix=r'\b', suffix=r'\b'),
Keyword, 'try_sp'),
include('statement'),
include('break'),
include('skip'),
],
'try_sp': [
include('expr'),
(r'\n', Whitespace, '#pop'),
],
# Line-statement
'break': [
(r'\b(break)\b([ \t]+)([a-zA-Z_][0-9a-zA-Z_]*)',
bygroups(Keyword, using(this), Name.Other)),
],
'skip': [
(r'\b(skip)\b([ \t]+)([a-zA-Z_][0-9a-zA-Z_]*)',
bygroups(Keyword, using(this), Name.Other)),
],
'alias': [
include('expr'),
(r'\n', Whitespace, '#pop'),
],
'assert': [
include('expr'),
(r'\n', Whitespace, '#pop'),
],
'const': [
include('expr'),
(r'\n', Whitespace, '#pop'),
],
'do': [
include('expr'),
(r'\n', Whitespace, '#pop'),
],
'ret': [
include('expr'),
(r'\n', Whitespace, '#pop'),
],
'throw': [
include('expr'),
(r'\n', Whitespace, '#pop'),
],
'var': [
include('expr'),
(r'\n', Whitespace, '#pop'),
],
'continued_line': [
include('expr'),
(r'\n', Whitespace, '#pop'),
],
'expr': [
# Whitespace / Comment
include('whitespace'),
# Punctuation
(r'\(', Punctuation,),
(r'\)', Punctuation,),
(r'\[', Punctuation,),
(r'\]', Punctuation,),
(r',', Punctuation),
# Keyword
(words((
'true', 'false', 'null', 'inf'
), prefix=r'\b', suffix=r'\b'), Keyword.Constant),
(words((
'me'
), prefix=r'\b', suffix=r'\b'), Keyword),
(words((
'bit16', 'bit32', 'bit64', 'bit8', 'bool',
'char', 'class', 'dict', 'enum', 'float', 'func',
'int', 'list', 'queue', 'stack'
), prefix=r'\b', suffix=r'\b'), Keyword.Type),
# Number
(r'\b[0-9]\.[0-9]+(?!\.)(:?e[\+-][0-9]+)?\b', Number.Float),
(r'\b2#[01]+(?:b(?:8|16|32|64))?\b', Number.Bin),
(r'\b8#[0-7]+(?:b(?:8|16|32|64))?\b', Number.Oct),
(r'\b16#[0-9A-F]+(?:b(?:8|16|32|64))?\b', Number.Hex),
(r'\b[0-9]+(?:b(?:8|16|32|64))?\b', Number.Decimal),
# String / Char
(r'"', String.Double, 'string'),
(r"'(?:\\.|.)+?'", String.Char),
# Operator
(r'(?:\.|\$(?:>|<)?)', Operator),
(r'(?:\^)', Operator),
(r'(?:\+|-|!|##?)', Operator),
(r'(?:\*|/|%)', Operator),
(r'(?:~)', Operator),
(r'(?:(?:=|<>)(?:&|\$)?|<=?|>=?)', Operator),
(r'(?:&)', Operator),
(r'(?:\|)', Operator),
(r'(?:\?)', Operator),
(r'(?::(?::|\+|-|\*|/|%|\^|~)?)', Operator),
# Identifier
(r"\b([a-zA-Z_][0-9a-zA-Z_]*)(?=@)\b", Name),
(r"(@)?\b([a-zA-Z_][0-9a-zA-Z_]*)\b",
bygroups(Name.Other, Name.Variable)),
],
# String
'string': [
(r'(?:\\[^{\n]|[^"\\])+', String.Double),
(r'\\\{', String.Double, 'toStrInString'),
(r'"', String.Double, '#pop'),
],
'toStrInString': [
include('expr'),
(r'\}', String.Double, '#pop'),
],
}
|
