ThirdParty/Pygments/pygments/lexers/esoteric.py

changeset 4172
4f20dba37ab6
child 4697
c2e9bf425554
diff -r 8bc578136279 -r 4f20dba37ab6 ThirdParty/Pygments/pygments/lexers/esoteric.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ThirdParty/Pygments/pygments/lexers/esoteric.py	Wed Mar 11 18:32:27 2015 +0100
@@ -0,0 +1,114 @@
+# -*- coding: utf-8 -*-
+"""
+    pygments.lexers.esoteric
+    ~~~~~~~~~~~~~~~~~~~~~~~~
+
+    Lexers for esoteric languages.
+
+    :copyright: Copyright 2006-2014 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+from pygments.lexer import RegexLexer, include
+from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
+    Number, Punctuation, Error
+
+__all__ = ['BrainfuckLexer', 'BefungeLexer', 'RedcodeLexer']
+
+
+class BrainfuckLexer(RegexLexer):
+    """
+    Lexer for the esoteric `BrainFuck <http://www.muppetlabs.com/~breadbox/bf/>`_
+    language.
+    """
+
+    name = 'Brainfuck'
+    aliases = ['brainfuck', 'bf']
+    filenames = ['*.bf', '*.b']
+    mimetypes = ['application/x-brainfuck']
+
+    tokens = {
+        'common': [
+            # use different colors for different instruction types
+            (r'[.,]+', Name.Tag),
+            (r'[+-]+', Name.Builtin),
+            (r'[<>]+', Name.Variable),
+            (r'[^.,+\-<>\[\]]+', Comment),
+        ],
+        'root': [
+            (r'\[', Keyword, 'loop'),
+            (r'\]', Error),
+            include('common'),
+        ],
+        'loop': [
+            (r'\[', Keyword, '#push'),
+            (r'\]', Keyword, '#pop'),
+            include('common'),
+        ]
+    }
+
+
+class BefungeLexer(RegexLexer):
+    """
+    Lexer for the esoteric `Befunge <http://en.wikipedia.org/wiki/Befunge>`_
+    language.
+
+    .. versionadded:: 0.7
+    """
+    name = 'Befunge'
+    aliases = ['befunge']
+    filenames = ['*.befunge']
+    mimetypes = ['application/x-befunge']
+
+    tokens = {
+        'root': [
+            (r'[0-9a-f]', Number),
+            (r'[+*/%!`-]', Operator),             # Traditional math
+            (r'[<>^v?\[\]rxjk]', Name.Variable),  # Move, imperatives
+            (r'[:\\$.,n]', Name.Builtin),         # Stack ops, imperatives
+            (r'[|_mw]', Keyword),
+            (r'[{}]', Name.Tag),                  # Befunge-98 stack ops
+            (r'".*?"', String.Double),            # Strings don't appear to allow escapes
+            (r'\'.', String.Single),              # Single character
+            (r'[#;]', Comment),                   # Trampoline... depends on direction hit
+            (r'[pg&~=@iotsy]', Keyword),          # Misc
+            (r'[()A-Z]', Comment),                # Fingerprints
+            (r'\s+', Text),                       # Whitespace doesn't matter
+        ],
+    }
+
+
+class RedcodeLexer(RegexLexer):
+    """
+    A simple Redcode lexer based on ICWS'94.
+    Contributed by Adam Blinkinsop <blinks@acm.org>.
+
+    .. versionadded:: 0.8
+    """
+    name = 'Redcode'
+    aliases = ['redcode']
+    filenames = ['*.cw']
+
+    opcodes = ('DAT', 'MOV', 'ADD', 'SUB', 'MUL', 'DIV', 'MOD',
+               'JMP', 'JMZ', 'JMN', 'DJN', 'CMP', 'SLT', 'SPL',
+               'ORG', 'EQU', 'END')
+    modifiers = ('A', 'B', 'AB', 'BA', 'F', 'X', 'I')
+
+    tokens = {
+        'root': [
+            # Whitespace:
+            (r'\s+', Text),
+            (r';.*$', Comment.Single),
+            # Lexemes:
+            #  Identifiers
+            (r'\b(%s)\b' % '|'.join(opcodes), Name.Function),
+            (r'\b(%s)\b' % '|'.join(modifiers), Name.Decorator),
+            (r'[A-Za-z_]\w+', Name),
+            #  Operators
+            (r'[-+*/%]', Operator),
+            (r'[#$@<>]', Operator),  # mode
+            (r'[.,]', Punctuation),  # mode
+            #  Numbers
+            (r'[-+]?\d+', Number.Integer),
+        ],
+    }

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