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# -*- coding: utf-8 -*-
"""
pygments.lexers.esoteric
~~~~~~~~~~~~~~~~~~~~~~~~
Lexers for esoteric languages.
:copyright: Copyright 2006-2015 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
from pygments.lexer import RegexLexer, include, words
from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
Number, Punctuation, Error
__all__ = ['BrainfuckLexer', 'BefungeLexer', 'RedcodeLexer', 'CAmkESLexer']
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 CAmkESLexer(RegexLexer):
"""
Basic lexer for the input language for the
`CAmkES <https://sel4.systems/CAmkES/>`_ component platform.
.. versionadded:: 2.1
"""
name = 'CAmkES'
aliases = ['camkes', 'idl4']
filenames = ['*.camkes', '*.idl4']
tokens = {
'root': [
# C pre-processor directive
(r'^\s*#.*\n', Comment.Preproc),
# Whitespace, comments
(r'\s+', Text),
(r'/\*(.|\n)*?\*/', Comment),
(r'//.*\n', Comment),
(r'[\[(){},.;\]]', Punctuation),
(r'[~!%^&*+=|?:<>/-]', Operator),
(words(('assembly', 'attribute', 'component', 'composition',
'configuration', 'connection', 'connector', 'consumes',
'control', 'dataport', 'Dataport', 'Dataports', 'emits',
'event', 'Event', 'Events', 'export', 'from', 'group',
'hardware', 'has', 'interface', 'Interface', 'maybe',
'procedure', 'Procedure', 'Procedures', 'provides',
'template', 'thread', 'threads', 'to', 'uses', 'with'),
suffix=r'\b'), Keyword),
(words(('bool', 'boolean', 'Buf', 'char', 'character', 'double',
'float', 'in', 'inout', 'int', 'int16_6', 'int32_t',
'int64_t', 'int8_t', 'integer', 'mutex', 'out', 'real',
'refin', 'semaphore', 'signed', 'string', 'struct',
'uint16_t', 'uint32_t', 'uint64_t', 'uint8_t', 'uintptr_t',
'unsigned', 'void'),
suffix=r'\b'), Keyword.Type),
# Recognised attributes
(r'[a-zA-Z_]\w*_(priority|domain|buffer)', Keyword.Reserved),
(words(('dma_pool', 'from_access', 'to_access'), suffix=r'\b'),
Keyword.Reserved),
# CAmkES-level include
(r'import\s+(<[^>]*>|"[^"]*");', Comment.Preproc),
# C-level include
(r'include\s+(<[^>]*>|"[^"]*");', Comment.Preproc),
# Literals
(r'0[xX][\da-fA-F]+', Number.Hex),
(r'-?[\d]+', Number),
(r'-?[\d]+\.[\d]+', Number.Float),
(r'"[^"]*"', String),
(r'[Tt]rue|[Ff]alse', Name.Builtin),
# Identifiers
(r'[a-zA-Z_]\w*', Name),
],
}
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),
],
}
|
