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authorGeorg Brandl <georg@python.org>2014-09-20 09:40:55 +0200
committerGeorg Brandl <georg@python.org>2014-09-20 09:40:55 +0200
commitdf9d1b0a4192a7d401e4aa05d310b7f4da0c84e2 (patch)
tree119384d5086ac6b3b7fbd9e5c0f1b42179242119 /pygments/lexers/apl.py
parent68c5b734ca6c787ebd00857957247dbd7e1d0337 (diff)
downloadpygments-df9d1b0a4192a7d401e4aa05d310b7f4da0c84e2.tar.gz
Remove the misc subpackage.
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+# -*- coding: utf-8 -*-
+"""
+ pygments.lexers.apl
+ ~~~~~~~~~~~~~~~~~~~
+
+ Lexers for APL.
+
+ :copyright: Copyright 2006-2014 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),
+ ],
+ }