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"""
pygments.lexers.hare
~~~~~~~~~~~~~~~~~~~~
Lexers for the Hare language.
:copyright: Copyright 2006-2025 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
from pygments.lexer import RegexLexer, include, words
from pygments.token import Comment, Operator, Keyword, Name, String, \
Number, Punctuation, Whitespace
__all__ = ['HareLexer']
class HareLexer(RegexLexer):
"""
Lexer for the Hare programming language.
"""
name = 'Hare'
url = 'https://harelang.org/'
aliases = ['hare']
filenames = ['*.ha']
mimetypes = ['text/x-hare']
version_added = '2.19'
_ws = r'(?:\s|//.*?\n|/[*].*?[*]/)+'
_ws1 = r'\s*(?:/[*].*?[*]/\s*)?'
tokens = {
'whitespace': [
(r'^use.*;', Comment.Preproc),
(r'@[a-z]+', Comment.Preproc),
(r'\n', Whitespace),
(r'\s+', Whitespace),
(r'//.*?$', Comment.Single),
],
'statements': [
(r'"', String, 'string'),
(r'`[^`]*`', String),
(r"'(\\.|\\[0-7]{1,3}|\\x[a-fA-F0-9]{1,2}|[^\\\'\n])'", String.Char),
(r'(\d+\.\d*|\.\d+|\d+)[eE][+-]?\d+[LlUu]*', Number.Float),
(r'(\d+\.\d*|\.\d+|\d+[fF])[fF]?', Number.Float),
(r'0x[0-9a-fA-F]+[LlUu]*', Number.Hex),
(r'0o[0-7]+[LlUu]*', Number.Oct),
(r'\d+[zui]?(\d+)?', Number.Integer),
(r'[~!%^&*+=|?:<>/-]', Operator),
(words(('as', 'is', '=>', '..', '...')), Operator),
(r'[()\[\],.{};]+', Punctuation),
(words(('abort', 'align', 'alloc', 'append', 'assert', 'case',
'const', 'def', 'defer', 'delete', 'else', 'enum', 'export',
'fn', 'for', 'free', 'if', 'let', 'len', 'match', 'offset',
'return', 'static', 'struct', 'switch', 'type', 'union',
'yield', 'vastart', 'vaarg', 'vaend'),
suffix=r'\b'), Keyword),
(r'(bool|int|uint|uintptr|u8|u16|u32|u64|i8|i16|i32|i64|f32|f64|null|done|never|void|nullable|rune|size|valist)\b',
Keyword.Type),
(r'(true|false|null)\b', Name.Builtin),
(r'[a-zA-Z_]\w*', Name),
],
'string': [
(r'"', String, '#pop'),
(r'\\([\\abfnrtv"\']|x[a-fA-F0-9]{2,4}|'
r'u[a-fA-F0-9]{4}|U[a-fA-F0-9]{8}|[0-7]{1,3})', String.Escape),
(r'[^\\"\n]+', String), # all other characters
(r'\\', String), # stray backslash
],
'root': [
include('whitespace'),
include('statements'),
],
}