334 lines
11 KiB
Python
334 lines
11 KiB
Python
"""
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pygments.lexers.kuin
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~~~~~~~~~~~~~~~~~~~~
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Lexers for the Kuin language.
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:copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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from pygments.lexer import RegexLexer, include, using, this, bygroups, words
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from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
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Number, Punctuation, Whitespace
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__all__ = ['KuinLexer']
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class KuinLexer(RegexLexer):
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"""
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For Kuin source code.
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.. versionadded:: 2.9
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"""
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name = 'Kuin'
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url = 'https://github.com/kuina/Kuin'
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aliases = ['kuin']
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filenames = ['*.kn']
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tokens = {
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'root': [
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include('statement'),
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],
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'statement': [
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# Whitespace / Comment
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include('whitespace'),
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# Block-statement
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(r'(\+?)([ \t]*)(\*?)([ \t]*)(\bfunc)([ \t]+(?:\n\s*\|)*[ \t]*)([a-zA-Z_][0-9a-zA-Z_]*)',
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bygroups(Keyword,Whitespace, Keyword, Whitespace, Keyword,
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using(this), Name.Function), 'func_'),
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(r'\b(class)([ \t]+(?:\n\s*\|)*[ \t]*)([a-zA-Z_][0-9a-zA-Z_]*)',
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bygroups(Keyword, using(this), Name.Class), 'class_'),
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(r'\b(enum)([ \t]+(?:\n\s*\|)*[ \t]*)([a-zA-Z_][0-9a-zA-Z_]*)',
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bygroups(Keyword, using(this), Name.Constant), 'enum_'),
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(r'\b(block)\b(?:([ \t]+(?:\n\s*\|)*[ \t]*)([a-zA-Z_][0-9a-zA-Z_]*))?',
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bygroups(Keyword, using(this), Name.Other), 'block_'),
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(r'\b(ifdef)\b(?:([ \t]+(?:\n\s*\|)*[ \t]*)([a-zA-Z_][0-9a-zA-Z_]*))?',
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bygroups(Keyword, using(this), Name.Other), 'ifdef_'),
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(r'\b(if)\b(?:([ \t]+(?:\n\s*\|)*[ \t]*)([a-zA-Z_][0-9a-zA-Z_]*))?',
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bygroups(Keyword, using(this), Name.Other), 'if_'),
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(r'\b(switch)\b(?:([ \t]+(?:\n\s*\|)*[ \t]*)([a-zA-Z_][0-9a-zA-Z_]*))?',
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bygroups(Keyword, using(this), Name.Other), 'switch_'),
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(r'\b(while)\b(?:([ \t]+(?:\n\s*\|)*[ \t]*)([a-zA-Z_][0-9a-zA-Z_]*))?',
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bygroups(Keyword, using(this), Name.Other), 'while_'),
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(r'\b(for)\b(?:([ \t]+(?:\n\s*\|)*[ \t]*)([a-zA-Z_][0-9a-zA-Z_]*))?',
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bygroups(Keyword, using(this), Name.Other), 'for_'),
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(r'\b(foreach)\b(?:([ \t]+(?:\n\s*\|)*[ \t]*)([a-zA-Z_][0-9a-zA-Z_]*))?',
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bygroups(Keyword, using(this), Name.Other), 'foreach_'),
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(r'\b(try)\b(?:([ \t]+(?:\n\s*\|)*[ \t]*)([a-zA-Z_][0-9a-zA-Z_]*))?',
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bygroups(Keyword, using(this), Name.Other), 'try_'),
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# Line-statement
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(r'\b(do)\b', Keyword, 'do'),
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(r'(\+?[ \t]*\bvar)\b', Keyword, 'var'),
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(r'\b(const)\b', Keyword, 'const'),
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(r'\b(ret)\b', Keyword, 'ret'),
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(r'\b(throw)\b', Keyword, 'throw'),
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(r'\b(alias)\b', Keyword, 'alias'),
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(r'\b(assert)\b', Keyword, 'assert'),
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(r'\|', Text, 'continued_line'),
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(r'[ \t]*\n', Whitespace),
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],
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# Whitespace / Comment
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'whitespace': [
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(r'^([ \t]*)(;.*)', bygroups(Comment.Single, Whitespace)),
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(r'[ \t]+(?![; \t])', Whitespace),
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(r'\{', Comment.Multiline, 'multiline_comment'),
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],
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'multiline_comment': [
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(r'\{', Comment.Multiline, 'multiline_comment'),
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(r'(?:\s*;.*|[^{}\n]+)', Comment.Multiline),
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(r'\n', Comment.Multiline),
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(r'\}', Comment.Multiline, '#pop'),
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],
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# Block-statement
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'func_': [
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include('expr'),
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(r'\n', Whitespace, 'func'),
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],
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'func': [
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(r'\b(end)([ \t]+(?:\n\s*\|)*[ \t]*)(func)\b',
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bygroups(Keyword, using(this), Keyword), '#pop:2'),
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include('statement'),
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],
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'class_': [
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include('expr'),
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(r'\n', Whitespace, 'class'),
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],
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'class': [
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(r'\b(end)([ \t]+(?:\n\s*\|)*[ \t]*)(class)\b',
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bygroups(Keyword, using(this), Keyword), '#pop:2'),
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include('statement'),
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],
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'enum_': [
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include('expr'),
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(r'\n', Whitespace, 'enum'),
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],
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'enum': [
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(r'\b(end)([ \t]+(?:\n\s*\|)*[ \t]*)(enum)\b',
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bygroups(Keyword, using(this), Keyword), '#pop:2'),
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include('expr'),
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(r'\n', Whitespace),
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],
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'block_': [
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include('expr'),
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(r'\n', Whitespace, 'block'),
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],
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'block': [
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(r'\b(end)([ \t]+(?:\n\s*\|)*[ \t]*)(block)\b',
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bygroups(Keyword, using(this), Keyword), '#pop:2'),
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include('statement'),
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include('break'),
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include('skip'),
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],
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'ifdef_': [
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include('expr'),
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(r'\n', Whitespace, 'ifdef'),
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],
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'ifdef': [
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(r'\b(end)([ \t]+(?:\n\s*\|)*[ \t]*)(ifdef)\b',
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bygroups(Keyword, using(this), Keyword), '#pop:2'),
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(words(('rls', 'dbg'), prefix=r'\b', suffix=r'\b'),
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Keyword.Constant, 'ifdef_sp'),
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include('statement'),
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include('break'),
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include('skip'),
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],
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'ifdef_sp': [
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include('expr'),
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(r'\n', Whitespace, '#pop'),
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],
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'if_': [
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include('expr'),
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(r'\n', Whitespace, 'if'),
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],
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'if': [
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(r'\b(end)([ \t]+(?:\n\s*\|)*[ \t]*)(if)\b',
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bygroups(Keyword, using(this), Keyword), '#pop:2'),
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(words(('elif', 'else'), prefix=r'\b', suffix=r'\b'), Keyword, 'if_sp'),
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include('statement'),
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include('break'),
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include('skip'),
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],
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'if_sp': [
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include('expr'),
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(r'\n', Whitespace, '#pop'),
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],
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'switch_': [
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include('expr'),
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(r'\n', Whitespace, 'switch'),
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],
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'switch': [
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(r'\b(end)([ \t]+(?:\n\s*\|)*[ \t]*)(switch)\b',
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bygroups(Keyword, using(this), Keyword), '#pop:2'),
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(words(('case', 'default', 'to'), prefix=r'\b', suffix=r'\b'),
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Keyword, 'switch_sp'),
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include('statement'),
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include('break'),
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include('skip'),
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],
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'switch_sp': [
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include('expr'),
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(r'\n', Whitespace, '#pop'),
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],
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'while_': [
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include('expr'),
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(r'\n', Whitespace, 'while'),
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],
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'while': [
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(r'\b(end)([ \t]+(?:\n\s*\|)*[ \t]*)(while)\b',
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bygroups(Keyword, using(this), Keyword), '#pop:2'),
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include('statement'),
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include('break'),
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include('skip'),
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],
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'for_': [
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include('expr'),
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(r'\n', Whitespace, 'for'),
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],
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'for': [
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(r'\b(end)([ \t]+(?:\n\s*\|)*[ \t]*)(for)\b',
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bygroups(Keyword, using(this), Keyword), '#pop:2'),
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include('statement'),
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include('break'),
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include('skip'),
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],
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'foreach_': [
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include('expr'),
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(r'\n', Whitespace, 'foreach'),
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],
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'foreach': [
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(r'\b(end)([ \t]+(?:\n\s*\|)*[ \t]*)(foreach)\b',
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bygroups(Keyword, using(this), Keyword), '#pop:2'),
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include('statement'),
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include('break'),
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include('skip'),
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],
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'try_': [
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include('expr'),
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(r'\n', Whitespace, 'try'),
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],
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'try': [
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(r'\b(end)([ \t]+(?:\n\s*\|)*[ \t]*)(try)\b',
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bygroups(Keyword, using(this), Keyword), '#pop:2'),
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(words(('catch', 'finally', 'to'), prefix=r'\b', suffix=r'\b'),
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Keyword, 'try_sp'),
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include('statement'),
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include('break'),
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include('skip'),
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],
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'try_sp': [
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include('expr'),
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(r'\n', Whitespace, '#pop'),
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],
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# Line-statement
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'break': [
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(r'\b(break)\b([ \t]+)([a-zA-Z_][0-9a-zA-Z_]*)',
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bygroups(Keyword, using(this), Name.Other)),
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],
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'skip': [
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(r'\b(skip)\b([ \t]+)([a-zA-Z_][0-9a-zA-Z_]*)',
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bygroups(Keyword, using(this), Name.Other)),
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],
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'alias': [
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include('expr'),
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(r'\n', Whitespace, '#pop'),
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],
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'assert': [
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include('expr'),
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(r'\n', Whitespace, '#pop'),
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],
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'const': [
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include('expr'),
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(r'\n', Whitespace, '#pop'),
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],
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'do': [
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include('expr'),
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(r'\n', Whitespace, '#pop'),
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],
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'ret': [
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include('expr'),
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(r'\n', Whitespace, '#pop'),
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],
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'throw': [
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include('expr'),
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(r'\n', Whitespace, '#pop'),
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],
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'var': [
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include('expr'),
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(r'\n', Whitespace, '#pop'),
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],
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'continued_line': [
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include('expr'),
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(r'\n', Whitespace, '#pop'),
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],
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'expr': [
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# Whitespace / Comment
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include('whitespace'),
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# Punctuation
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(r'\(', Punctuation,),
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(r'\)', Punctuation,),
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(r'\[', Punctuation,),
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(r'\]', Punctuation,),
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(r',', Punctuation),
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# Keyword
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(words((
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'true', 'false', 'null', 'inf'
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), prefix=r'\b', suffix=r'\b'), Keyword.Constant),
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(words((
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'me'
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), prefix=r'\b', suffix=r'\b'), Keyword),
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(words((
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'bit16', 'bit32', 'bit64', 'bit8', 'bool',
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'char', 'class', 'dict', 'enum', 'float', 'func',
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'int', 'list', 'queue', 'stack'
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), prefix=r'\b', suffix=r'\b'), Keyword.Type),
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# Number
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(r'\b[0-9]\.[0-9]+(?!\.)(:?e[\+-][0-9]+)?\b', Number.Float),
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(r'\b2#[01]+(?:b(?:8|16|32|64))?\b', Number.Bin),
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(r'\b8#[0-7]+(?:b(?:8|16|32|64))?\b', Number.Oct),
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(r'\b16#[0-9A-F]+(?:b(?:8|16|32|64))?\b', Number.Hex),
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(r'\b[0-9]+(?:b(?:8|16|32|64))?\b', Number.Decimal),
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# String / Char
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(r'"', String.Double, 'string'),
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(r"'(?:\\.|.)+?'", String.Char),
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# Operator
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(r'(?:\.|\$(?:>|<)?)', Operator),
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(r'(?:\^)', Operator),
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(r'(?:\+|-|!|##?)', Operator),
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(r'(?:\*|/|%)', Operator),
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(r'(?:~)', Operator),
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(r'(?:(?:=|<>)(?:&|\$)?|<=?|>=?)', Operator),
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(r'(?:&)', Operator),
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(r'(?:\|)', Operator),
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(r'(?:\?)', Operator),
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(r'(?::(?::|\+|-|\*|/|%|\^|~)?)', Operator),
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# Identifier
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(r"\b([a-zA-Z_][0-9a-zA-Z_]*)(?=@)\b", Name),
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(r"(@)?\b([a-zA-Z_][0-9a-zA-Z_]*)\b",
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bygroups(Name.Other, Name.Variable)),
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],
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# String
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'string': [
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(r'(?:\\[^{\n]|[^"\\])+', String.Double),
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(r'\\\{', String.Double, 'toStrInString'),
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(r'"', String.Double, '#pop'),
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],
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'toStrInString': [
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include('expr'),
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(r'\}', String.Double, '#pop'),
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],
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}
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