1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
"""
pygments.lexers.textedit
~~~~~~~~~~~~~~~~~~~~~~~~
Lexers for languages related to text processing.
:copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import re
from bisect import bisect
from pygments.lexer import RegexLexer, bygroups, default, include, this, using
from pygments.lexers.python import PythonLexer
from pygments.token import Comment, Error, Keyword, Name, Number, Operator, \
Punctuation, String, Text, Whitespace
__all__ = ['AwkLexer', 'SedLexer', 'VimLexer']
class AwkLexer(RegexLexer):
"""
For Awk scripts.
.. versionadded:: 1.5
"""
name = 'Awk'
aliases = ['awk', 'gawk', 'mawk', 'nawk']
filenames = ['*.awk']
mimetypes = ['application/x-awk']
tokens = {
'commentsandwhitespace': [
(r'\s+', Text),
(r'#.*$', Comment.Single)
],
'slashstartsregex': [
include('commentsandwhitespace'),
(r'/(\\.|[^[/\\\n]|\[(\\.|[^\]\\\n])*])+/'
r'\B', String.Regex, '#pop'),
(r'(?=/)', Text, ('#pop', 'badregex')),
default('#pop')
],
'badregex': [
(r'\n', Text, '#pop')
],
'root': [
(r'^(?=\s|/)', Text, 'slashstartsregex'),
include('commentsandwhitespace'),
(r'\+\+|--|\|\||&&|in\b|\$|!?~|'
r'(\*\*|[-<>+*%\^/!=|])=?', Operator, 'slashstartsregex'),
(r'[{(\[;,]', Punctuation, 'slashstartsregex'),
(r'[})\].]', Punctuation),
(r'(break|continue|do|while|exit|for|if|else|'
r'return)\b', Keyword, 'slashstartsregex'),
(r'function\b', Keyword.Declaration, 'slashstartsregex'),
(r'(atan2|cos|exp|int|log|rand|sin|sqrt|srand|gensub|gsub|index|'
r'length|match|split|sprintf|sub|substr|tolower|toupper|close|'
r'fflush|getline|next|nextfile|print|printf|strftime|systime|'
r'delete|system)\b', Keyword.Reserved),
(r'(ARGC|ARGIND|ARGV|BEGIN|CONVFMT|ENVIRON|END|ERRNO|FIELDWIDTHS|'
r'FILENAME|FNR|FS|IGNORECASE|NF|NR|OFMT|OFS|ORFS|RLENGTH|RS|'
r'RSTART|RT|SUBSEP)\b', Name.Builtin),
(r'[$a-zA-Z_]\w*', Name.Other),
(r'[0-9][0-9]*\.[0-9]+([eE][0-9]+)?[fd]?', Number.Float),
(r'0x[0-9a-fA-F]+', Number.Hex),
(r'[0-9]+', Number.Integer),
(r'"(\\\\|\\[^\\]|[^"\\])*"', String.Double),
(r"'(\\\\|\\[^\\]|[^'\\])*'", String.Single),
]
}
class SedLexer(RegexLexer):
"""
Lexer for Sed script files.
"""
name = 'Sed'
aliases = ['sed', 'gsed', 'ssed']
filenames = ['*.sed', '*.[gs]sed']
mimetypes = ['text/x-sed']
flags = re.MULTILINE
# Match the contents within delimeters such as /<contents>/
_inside_delims = r'((?:(?:\\[^\n]|[^\\])*?\\\n)*?(?:\\.|[^\\])*?)'
tokens = {
'root': [
(r'\s+', Whitespace),
(r'#.*$', Comment.Single),
(r'[0-9]+', Number.Integer),
(r'\$', Operator),
(r'[{};,!]', Punctuation),
(r'[dDFgGhHlnNpPqQxz=]', Keyword),
(r'([berRtTvwW:])([^;\n]*)', bygroups(Keyword, String.Single)),
(r'([aci])((?:.*?\\\n)*(?:.*?[^\\]$))', bygroups(Keyword, String.Double)),
(r'([qQ])([0-9]*)', bygroups(Keyword, Number.Integer)),
(r'(/)' + _inside_delims + r'(/)', bygroups(Punctuation, String.Regex, Punctuation)),
(r'(\\(.))' + _inside_delims + r'(\2)',
bygroups(Punctuation, None, String.Regex, Punctuation)),
(r'(y)(.)' + _inside_delims + r'(\2)' + _inside_delims + r'(\2)',
bygroups(Keyword, Punctuation, String.Single, Punctuation, String.Single, Punctuation)),
(r'(s)(.)' + _inside_delims + r'(\2)' + _inside_delims + r'(\2)((?:[gpeIiMm]|[0-9])*)',
bygroups(Keyword, Punctuation, String.Regex, Punctuation, String.Single, Punctuation,
Keyword))
]
}
class VimLexer(RegexLexer):
"""
Lexer for VimL script files.
.. versionadded:: 0.8
"""
name = 'VimL'
aliases = ['vim']
filenames = ['*.vim', '.vimrc', '.exrc', '.gvimrc',
'_vimrc', '_exrc', '_gvimrc', 'vimrc', 'gvimrc']
mimetypes = ['text/x-vim']
flags = re.MULTILINE
_python = r'py(?:t(?:h(?:o(?:n)?)?)?)?'
tokens = {
'root': [
(r'^([ \t:]*)(' + _python + r')([ \t]*)(<<)([ \t]*)(.*)((?:\n|.)*)(\6)',
bygroups(using(this), Keyword, Text, Operator, Text, Text,
using(PythonLexer), Text)),
(r'^([ \t:]*)(' + _python + r')([ \t])(.*)',
bygroups(using(this), Keyword, Text, using(PythonLexer))),
(r'^\s*".*', Comment),
(r'[ \t]+', Text),
# TODO: regexes can have other delims
(r'/[^/\\\n]*(?:\\[\s\S][^/\\\n]*)*/', String.Regex),
(r'"[^"\\\n]*(?:\\[\s\S][^"\\\n]*)*"', String.Double),
(r"'[^\n']*(?:''[^\n']*)*'", String.Single),
# Who decided that doublequote was a good comment character??
(r'(?<=\s)"[^\-:.%#=*].*', Comment),
(r'-?\d+', Number),
(r'#[0-9a-f]{6}', Number.Hex),
(r'^:', Punctuation),
(r'[()<>+=!|,~-]', Punctuation), # Inexact list. Looks decent.
(r'\b(let|if|else|endif|elseif|fun|function|endfunction)\b',
Keyword),
(r'\b(NONE|bold|italic|underline|dark|light)\b', Name.Builtin),
(r'\b\w+\b', Name.Other), # These are postprocessed below
(r'.', Text),
],
}
def __init__(self, **options):
from pygments.lexers._vim_builtins import auto, command, option
self._cmd = command
self._opt = option
self._aut = auto
RegexLexer.__init__(self, **options)
def is_in(self, w, mapping):
r"""
It's kind of difficult to decide if something might be a keyword
in VimL because it allows you to abbreviate them. In fact,
'ab[breviate]' is a good example. :ab, :abbre, or :abbreviate are
valid ways to call it so rather than making really awful regexps
like::
\bab(?:b(?:r(?:e(?:v(?:i(?:a(?:t(?:e)?)?)?)?)?)?)?)?\b
we match `\b\w+\b` and then call is_in() on those tokens. See
`scripts/get_vimkw.py` for how the lists are extracted.
"""
p = bisect(mapping, (w,))
if p > 0:
if mapping[p-1][0] == w[:len(mapping[p-1][0])] and \
mapping[p-1][1][:len(w)] == w:
return True
if p < len(mapping):
return mapping[p][0] == w[:len(mapping[p][0])] and \
mapping[p][1][:len(w)] == w
return False
def get_tokens_unprocessed(self, text):
# TODO: builtins are only subsequent tokens on lines
# and 'keywords' only happen at the beginning except
# for :au ones
for index, token, value in \
RegexLexer.get_tokens_unprocessed(self, text):
if token is Name.Other:
if self.is_in(value, self._cmd):
yield index, Keyword, value
elif self.is_in(value, self._opt) or \
self.is_in(value, self._aut):
yield index, Name.Builtin, value
else:
yield index, Text, value
else:
yield index, token, value
|
