rana-cli/wakatime/packages/pygments/lexers/apl.py
2016-06-13 16:41:17 +02:00

101 lines
3.1 KiB
Python
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

# -*- coding: utf-8 -*-
"""
pygments.lexers.apl
~~~~~~~~~~~~~~~~~~~
Lexers for APL.
:copyright: Copyright 2006-2015 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),
],
}