bazarr/libs/pygments/lexers/j.py

146 lines
4.4 KiB
Python
Raw Normal View History

"""
pygments.lexers.j
~~~~~~~~~~~~~~~~~
Lexer for the J programming language.
:copyright: Copyright 2006-2021 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'),
],
}