This commit is contained in:
2026-08-02 18:57:40 +02:00
parent 5e5ab8681a
commit 6fa59321c0
5759 changed files with 712133 additions and 66 deletions
@@ -0,0 +1,151 @@
"""
pygments.lexers.j
~~~~~~~~~~~~~~~~~
Lexer for the J programming language.
:copyright: Copyright 2006-present 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, Keyword, Name, Number, Operator, \
Punctuation, String, Whitespace
__all__ = ['JLexer']
class JLexer(RegexLexer):
"""
For J source code.
"""
name = 'J'
url = 'http://jsoftware.com/'
aliases = ['j']
filenames = ['*.ijs']
mimetypes = ['text/x-j']
version_added = '2.1'
validName = r'\b[a-zA-Z]\w*'
tokens = {
'root': [
# Shebang script
(r'#!.*$', Comment.Preproc),
# Comments
(r'NB\..*', Comment.Single),
(r'(\n+\s*)(Note)', bygroups(Whitespace, Comment.Multiline),
'comment'),
(r'(\s*)(Note.*)', bygroups(Whitespace, Comment.Single)),
# Whitespace
(r'\s+', Whitespace),
# Strings
(r"'", String, 'singlequote'),
# Definitions
(r'0\s+:\s*0', Name.Entity, 'nounDefinition'),
(r'(noun)(\s+)(define)(\s*)$', bygroups(Name.Entity, Whitespace,
Name.Entity, Whitespace), 'nounDefinition'),
(r'([1-4]|13)\s+:\s*0\b',
Name.Function, 'explicitDefinition'),
(r'(adverb|conjunction|dyad|monad|verb)(\s+)(define)\b',
bygroups(Name.Function, Whitespace, Name.Function),
'explicitDefinition'),
# Flow Control
(words(('for_', 'goto_', 'label_'), suffix=validName+r'\.'), Name.Label),
(words((
'assert', 'break', 'case', 'catch', 'catchd',
'catcht', 'continue', 'do', 'else', 'elseif',
'end', 'fcase', 'for', 'if', 'return',
'select', 'throw', 'try', 'while', 'whilst',
), suffix=r'\.'), Name.Label),
# Variable Names
(validName, Name.Variable),
# Standard Library
(words((
'ARGV', 'CR', 'CRLF', 'DEL', 'Debug',
'EAV', 'EMPTY', 'FF', 'JVERSION', 'LF',
'LF2', 'Note', 'TAB', 'alpha17', 'alpha27',
'apply', 'bind', 'boxopen', 'boxxopen', 'bx',
'clear', 'cutLF', 'cutopen', 'datatype', 'def',
'dfh', 'drop', 'each', 'echo', 'empty',
'erase', 'every', 'evtloop', 'exit', 'expand',
'fetch', 'file2url', 'fixdotdot', 'fliprgb', 'getargs',
'getenv', 'hfd', 'inv', 'inverse', 'iospath',
'isatty', 'isutf8', 'items', 'leaf', 'list',
'nameclass', 'namelist', 'names', 'nc',
'nl', 'on', 'pick', 'rows',
'script', 'scriptd', 'sign', 'sminfo', 'smoutput',
'sort', 'split', 'stderr', 'stdin', 'stdout',
'table', 'take', 'timespacex', 'timex', 'tmoutput',
'toCRLF', 'toHOST', 'toJ', 'tolower', 'toupper',
'type', 'ucp', 'ucpcount', 'usleep', 'utf8',
'uucp',
)), Name.Function),
# Copula
(r'=[.:]', Operator),
# Builtins
(r'[-=+*#$%@!~`^&";:.,<>{}\[\]\\|/?]', Operator),
# Short Keywords
(r'[abCdDeEfHiIjLMoprtT]\.', Keyword.Reserved),
(r'[aDiLpqsStux]\:', Keyword.Reserved),
(r'(_[0-9])\:', Keyword.Constant),
# Parens
(r'\(', Punctuation, 'parentheses'),
# Numbers
include('numbers'),
],
'comment': [
(r'[^)]', Comment.Multiline),
(r'^\)', Comment.Multiline, '#pop'),
(r'[)]', Comment.Multiline),
],
'explicitDefinition': [
(r'\b[nmuvxy]\b', Name.Decorator),
include('root'),
(r'[^)]', Name),
(r'^\)', Name.Label, '#pop'),
(r'[)]', Name),
],
'numbers': [
(r'\b_{1,2}\b', Number),
(r'_?\d+(\.\d+)?(\s*[ejr]\s*)_?\d+(\.?=\d+)?', Number),
(r'_?\d+\.(?=\d+)', Number.Float),
(r'_?\d+x', Number.Integer.Long),
(r'_?\d+', Number.Integer),
],
'nounDefinition': [
(r'[^)]+', String),
(r'^\)', Name.Label, '#pop'),
(r'[)]', String),
],
'parentheses': [
(r'\)', Punctuation, '#pop'),
# include('nounDefinition'),
include('explicitDefinition'),
include('root'),
],
'singlequote': [
(r"[^']+", String),
(r"''", String),
(r"'", String, '#pop'),
],
}