root/misc/syntax/j.syntax

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# J language Syntax highlighting Definition
# Version 3.0.0 2026-03-18
# See updates and changelog at https://github.com/jip/syntax-highlighting
#
# J is a high-level, general-purpose programming language
# https://www.jsoftware.com
#
# This file is part of GNU Midnight Commander
# https://midnight-commander.org/
#
# SPDX-FileCopyrightText: 2009,2026 Igor Zhuravlov <zhuravlov.ip@ya.ru>
# SPDX-License-Identifier: GPL-3.0-or-later
 
# for the default (lightgray on blue)
define _adverb  green blue bold
define _alerthi lightgray red
define _alertmi gray yellow
define _alertlo gray cyan
define _copulag white
define _copulal brown
define _comment gray
define _conj    yellow blue bold
define _control brightred
define _noun    cyan blue bold
define _nounblk lightgray brightblue
define _num     green
define _paren   brightgreen
define _str     brightcyan
define _verb    magenta blue bold
 
context default
    # controls
    wholechars {}
    keyword {{ _control
    keyword }} _control
    wholechars abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789._
    keyword wholeleft assert. _control
    keyword wholeleft break. _control
    keyword wholeleft case. _control
    keyword wholeleft catch. _control
    keyword wholeleft catch\{dt\}. _control
    keyword wholeleft continue. _control
    keyword wholeleft do. _control
    keyword wholeleft else. _control
    keyword wholeleft elseif. _control
    keyword wholeleft end. _control
    keyword wholeleft fcase. _control
    keyword wholeleft for. _control
    keyword wholeleft for_\{abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ\}\[abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_\]. _control
    keyword wholeleft goto_\{abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ\}\[abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_\]. _control
    keyword wholeleft if. _control
    keyword wholeleft label_\{abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ\}\[abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_\]. _control
    keyword wholeleft return. _control
    keyword wholeleft select. _control
    keyword wholeleft throw. _control
    keyword wholeleft try. _control
    keyword wholeleft while. _control
    keyword wholeleft whilst. _control
    # comments
    keyword wholeleft NB. _comment
    # copula
    keyword =: _copulag
    keyword =. _copulal
    # parenthesis
    keyword \{()\} _paren
    # actors
    keyword {:: _verb
    keyword &.: _conj
    keyword __: _verb
    keyword /.. _adverb
    keyword \{<>\+\*-%$~|,#{}"\}\{.:\} _verb
    keyword \{_;/\\[\}: _verb
    keyword \{^?\}. _verb
    keyword \{^`\}: _conj
    keyword \{;[]\}. _conj
    keyword \{!:@&\}\{.:\} _conj
    keyword \{/\\\}. _adverb
    keyword ]: _adverb
    keyword \{=<>\+\*-%^$|,;#![]{?\} _verb
    keyword \{~/\\}\} _adverb
    keyword \{".:`@&\} _conj
    keyword wholeleft \{AcCeEIjLorv\}. _verb
    keyword wholeleft \{bfM\}. _adverb
    keyword wholeleft \{Hmt\}. _conj
    keyword wholeleft p.. _verb
    keyword wholeleft \{ipu\}\{.:\} _verb
    keyword wholeleft \{LS\}: _conj
    keyword wholeleft \{qsxZ\}: _verb
    keyword whole     \{uv\} _verb
    keyword wholeleft _\{123456789\}: _verb
    keyword wholeleft \{0123456789\}: _verb
    # numbers
    keyword whole \{0123456789_\}\[abcdefghijklmnopqrstuvwxyz0123456789_.\] _num
    # nouns
    keyword whole a\{.:\} _noun
    keyword whole \{mnxy\} _noun
 
# strings
 
context ' ' _str
 
# block nouns
 
context exclusive 0\s\[\s\t\]:\[\s\t\]0\[)\s\t\]\n linestart ) _nounblk
 
context exclusive whole Note linestart ) _nounblk
 
# comments
 
context exclusive linestart NB.\s\*\s \n _comment blue underline
 
context exclusive NB. \n _comment
    keyword whole BUG        _alerthi
    keyword whole DEPRECATED _alertmi
    keyword whole FIXME      _alerthi
    keyword whole NOTE       _alertlo
    keyword whole TEST       _alertlo
    keyword whole TODO       _alertmi
    keyword whole WARN       _alertmi
    spellcheck

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