Varia's website
https://varia.zone
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.
102 lines
3.1 KiB
102 lines
3.1 KiB
1 week ago
|
# -*- coding: utf-8 -*-
|
||
|
|
"""
|
||
|
|
pygments.lexers.apl
|
||
|
|
~~~~~~~~~~~~~~~~~~~
|
||
|
|
|
||
|
|
Lexers for APL.
|
||
|
|
|
||
|
|
:copyright: Copyright 2006-2019 by the Pygments team, see AUTHORS.
|
||
|
|
:license: BSD, see LICENSE for details.
|
||
|
|
"""
|
||
|
|
|
||
|
|
from pygments.lexer import RegexLexer
|
||
|
|
from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
|
||
|
|
Number, Punctuation
|
||
|
|
|
||
|
|
__all__ = ['APLLexer']
|
||
|
|
|
||
|
|
|
||
|
|
class APLLexer(RegexLexer):
|
||
|
|
"""
|
||
|
|
A simple APL lexer.
|
||
|
|
|
||
|
|
.. versionadded:: 2.0
|
||
|
|
"""
|
||
|
|
name = 'APL'
|
||
|
|
aliases = ['apl']
|
||
|
|
filenames = ['*.apl']
|
||
|
|
|
||
|
|
tokens = {
|
||
|
|
'root': [
|
||
|
|
# Whitespace
|
||
|
|
# ==========
|
||
|
|
(r'\s+', Text),
|
||
|
|
#
|
||
|
|
# Comment
|
||
|
|
# =======
|
||
|
|
# '⍝' is traditional; '#' is supported by GNU APL and NGN (but not Dyalog)
|
||
|
|
(u'[⍝#].*$', Comment.Single),
|
||
|
|
#
|
||
|
|
# Strings
|
||
|
|
# =======
|
||
|
|
(r'\'((\'\')|[^\'])*\'', String.Single),
|
||
|
|
(r'"(("")|[^"])*"', String.Double), # supported by NGN APL
|
||
|
|
#
|
||
|
|
# Punctuation
|
||
|
|
# ===========
|
||
|
|
# This token type is used for diamond and parenthesis
|
||
|
|
# but not for bracket and ; (see below)
|
||
|
|
(u'[⋄◇()]', Punctuation),
|
||
|
|
#
|
||
|
|
# Array indexing
|
||
|
|
# ==============
|
||
|
|
# Since this token type is very important in APL, it is not included in
|
||
|
|
# the punctuation token type but rather in the following one
|
||
|
|
(r'[\[\];]', String.Regex),
|
||
|
|
#
|
||
|
|
# Distinguished names
|
||
|
|
# ===================
|
||
|
|
# following IBM APL2 standard
|
||
|
|
(u'⎕[A-Za-zΔ∆⍙][A-Za-zΔ∆⍙_¯0-9]*', Name.Function),
|
||
|
|
#
|
||
|
|
# Labels
|
||
|
|
# ======
|
||
|
|
# following IBM APL2 standard
|
||
|
|
# (u'[A-Za-zΔ∆⍙][A-Za-zΔ∆⍙_¯0-9]*:', Name.Label),
|
||
|
|
#
|
||
|
|
# Variables
|
||
|
|
# =========
|
||
|
|
# following IBM APL2 standard
|
||
|
|
(u'[A-Za-zΔ∆⍙][A-Za-zΔ∆⍙_¯0-9]*', Name.Variable),
|
||
|
|
#
|
||
|
|
# Numbers
|
||
|
|
# =======
|
||
|
|
(u'¯?(0[Xx][0-9A-Fa-f]+|[0-9]*\\.?[0-9]+([Ee][+¯]?[0-9]+)?|¯|∞)'
|
||
|
|
u'([Jj]¯?(0[Xx][0-9A-Fa-f]+|[0-9]*\\.?[0-9]+([Ee][+¯]?[0-9]+)?|¯|∞))?',
|
||
|
|
Number),
|
||
|
|
#
|
||
|
|
# Operators
|
||
|
|
# ==========
|
||
|
|
(u'[\\.\\\\\\/⌿⍀¨⍣⍨⍠⍤∘]', Name.Attribute), # closest token type
|
||
|
|
(u'[+\\-×÷⌈⌊∣|⍳?*⍟○!⌹<≤=>≥≠≡≢∊⍷∪∩~∨∧⍱⍲⍴,⍪⌽⊖⍉↑↓⊂⊃⌷⍋⍒⊤⊥⍕⍎⊣⊢⍁⍂≈⌸⍯↗]',
|
||
|
|
Operator),
|
||
|
|
#
|
||
|
|
# Constant
|
||
|
|
# ========
|
||
|
|
(u'⍬', Name.Constant),
|
||
|
|
#
|
||
|
|
# Quad symbol
|
||
|
|
# ===========
|
||
|
|
(u'[⎕⍞]', Name.Variable.Global),
|
||
|
|
#
|
||
|
|
# Arrows left/right
|
||
|
|
# =================
|
||
|
|
(u'[←→]', Keyword.Declaration),
|
||
|
|
#
|
||
|
|
# D-Fn
|
||
|
|
# ====
|
||
|
|
(u'[⍺⍵⍶⍹∇:]', Name.Builtin.Pseudo),
|
||
|
|
(r'[{}]', Keyword.Type),
|
||
|
|
],
|
||
|
|
}
|