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#!/usr/bin/python
#
# Contributors Listed Below - COPYRIGHT 2016
# [+] International Business Machines Corp.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
from pygments.lexer import RegexLexer, bygroups, include
from pygments.token import *
__all__ = ['DtsLexer']
class DtsLexer(RegexLexer):
name = 'DTS'
aliases = ['dts', 'device-tree']
filenames = ['*.dts']
tokens = {
'root': [
include('comments'),
(r'/memreserve/', Keyword, ('memreserve')),
(r'^/dts-v1/;$', Keyword),
(r'\s+', Text),
include('node'),
],
'comments': [
(r'//(\n|(.|\n)*?[^\\]\n)', Comment.Single),
(r'/(\\\n)?[*](.|\n)*?[*](\\\n)?/', Comment.Multiline),
],
'memreserve': [
include('comments'),
include('integers'),
(r'\s+', Text),
(r';', Punctuation, '#pop')
],
'integers': [
(r'0x[0-9a-fA-F]+', Number.Hex),
(r'0[0-7]+', Number.Oct),
(r'\d+', Number.Integer),
],
'node': [
(r'\s+', Text),
(r'((?:[0-9a-zA-Z,._+-]+):)?(\s*)([0-9a-zA-Z,._+-]+)(@[0-9a-zA-Z,._+-]+)?(\s*)({)', bygroups(Name.Label, Text, Name.Class, Name.Function, Text, Punctuation), ('node-content')),
(r'(/)(\s+)({)', bygroups(Keyword, Text, Punctuation) , ('node-content')),
],
'node-content': [
include('comments'),
include('node'),
(r'\s+', Text),
(r'([0-9a-zA-Z,._+-]+)(:)', bygroups(Name.Label, Punctuation)),
(r'([\#0-9a-zA-Z,._+-]+)(\s*)(=)(\s*)', bygroups(Name.Function, Text, Operator, Text), ('value')),
(r'([\#0-9a-zA-Z,._+-]+)(;)', bygroups(Name.Function, Punctuation)),
(r'};', Punctuation, ('#pop')),
],
'value': [
include('integers'),
include('comments'),
(r'(\&)([a-zA-Z0-9_-]+)', bygroups(Operator, Text)),
(r'<', Punctuation, '#push'),
(r'>', Punctuation, '#pop'),
(r'\[', Punctuation, '#push'),
(r'\]', Punctuation, '#pop'),
(r'".*"', String),
(r';', Punctuation, '#pop'),
(r'\s+', Text),
(r',', Punctuation)
],
}
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