You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
147 lines
4.4 KiB
147 lines
4.4 KiB
# -*- coding: utf-8 -*-
|
|
"""
|
|
pygments.lexers.j
|
|
~~~~~~~~~~~~~~~~~
|
|
|
|
Lexer for the J programming language.
|
|
|
|
:copyright: Copyright 2006-2017 by the Pygments team, see AUTHORS.
|
|
:license: BSD, see LICENSE for details.
|
|
"""
|
|
|
|
from pygments.lexer import RegexLexer, words, include
|
|
from pygments.token import Comment, Keyword, Name, Number, Operator, Punctuation, \
|
|
String, Text
|
|
|
|
__all__ = ['JLexer']
|
|
|
|
|
|
class JLexer(RegexLexer):
|
|
"""
|
|
For `J <http://jsoftware.com/>`_ source code.
|
|
|
|
.. versionadded:: 2.1
|
|
"""
|
|
|
|
name = 'J'
|
|
aliases = ['j']
|
|
filenames = ['*.ijs']
|
|
mimetypes = ['text/x-j']
|
|
|
|
validName = r'\b[a-zA-Z]\w*'
|
|
|
|
tokens = {
|
|
'root': [
|
|
# Shebang script
|
|
(r'#!.*$', Comment.Preproc),
|
|
|
|
# Comments
|
|
(r'NB\..*', Comment.Single),
|
|
(r'\n+\s*Note', Comment.Multiline, 'comment'),
|
|
(r'\s*Note.*', Comment.Single),
|
|
|
|
# Whitespace
|
|
(r'\s+', Text),
|
|
|
|
# Strings
|
|
(r"'", String, 'singlequote'),
|
|
|
|
# Definitions
|
|
(r'0\s+:\s*0|noun\s+define\s*$', Name.Entity, 'nounDefinition'),
|
|
(r'(([1-4]|13)\s+:\s*0|(adverb|conjunction|dyad|monad|verb)\s+define)\b',
|
|
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'),
|
|
],
|
|
}
|