/usr/lib/python2.7/dist-packages/pygments/lexers/tcl.py is in python-pygments 2.2.0+dfsg-1.
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The actual contents of the file can be viewed below.
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 | # -*- coding: utf-8 -*-
"""
pygments.lexers.tcl
~~~~~~~~~~~~~~~~~~~
Lexers for Tcl and related languages.
:copyright: Copyright 2006-2017 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
from pygments.util import shebang_matches
__all__ = ['TclLexer']
class TclLexer(RegexLexer):
"""
For Tcl source code.
.. versionadded:: 0.10
"""
keyword_cmds_re = words((
'after', 'apply', 'array', 'break', 'catch', 'continue', 'elseif', 'else', 'error',
'eval', 'expr', 'for', 'foreach', 'global', 'if', 'namespace', 'proc', 'rename', 'return',
'set', 'switch', 'then', 'trace', 'unset', 'update', 'uplevel', 'upvar', 'variable',
'vwait', 'while'), prefix=r'\b', suffix=r'\b')
builtin_cmds_re = words((
'append', 'bgerror', 'binary', 'cd', 'chan', 'clock', 'close', 'concat', 'dde', 'dict',
'encoding', 'eof', 'exec', 'exit', 'fblocked', 'fconfigure', 'fcopy', 'file',
'fileevent', 'flush', 'format', 'gets', 'glob', 'history', 'http', 'incr', 'info', 'interp',
'join', 'lappend', 'lassign', 'lindex', 'linsert', 'list', 'llength', 'load', 'loadTk',
'lrange', 'lrepeat', 'lreplace', 'lreverse', 'lsearch', 'lset', 'lsort', 'mathfunc',
'mathop', 'memory', 'msgcat', 'open', 'package', 'pid', 'pkg::create', 'pkg_mkIndex',
'platform', 'platform::shell', 'puts', 'pwd', 're_syntax', 'read', 'refchan',
'regexp', 'registry', 'regsub', 'scan', 'seek', 'socket', 'source', 'split', 'string',
'subst', 'tell', 'time', 'tm', 'unknown', 'unload'), prefix=r'\b', suffix=r'\b')
name = 'Tcl'
aliases = ['tcl']
filenames = ['*.tcl', '*.rvt']
mimetypes = ['text/x-tcl', 'text/x-script.tcl', 'application/x-tcl']
def _gen_command_rules(keyword_cmds_re, builtin_cmds_re, context=""):
return [
(keyword_cmds_re, Keyword, 'params' + context),
(builtin_cmds_re, Name.Builtin, 'params' + context),
(r'([\w.-]+)', Name.Variable, 'params' + context),
(r'#', Comment, 'comment'),
]
tokens = {
'root': [
include('command'),
include('basic'),
include('data'),
(r'\}', Keyword), # HACK: somehow we miscounted our braces
],
'command': _gen_command_rules(keyword_cmds_re, builtin_cmds_re),
'command-in-brace': _gen_command_rules(keyword_cmds_re,
builtin_cmds_re,
"-in-brace"),
'command-in-bracket': _gen_command_rules(keyword_cmds_re,
builtin_cmds_re,
"-in-bracket"),
'command-in-paren': _gen_command_rules(keyword_cmds_re,
builtin_cmds_re,
"-in-paren"),
'basic': [
(r'\(', Keyword, 'paren'),
(r'\[', Keyword, 'bracket'),
(r'\{', Keyword, 'brace'),
(r'"', String.Double, 'string'),
(r'(eq|ne|in|ni)\b', Operator.Word),
(r'!=|==|<<|>>|<=|>=|&&|\|\||\*\*|[-+~!*/%<>&^|?:]', Operator),
],
'data': [
(r'\s+', Text),
(r'0x[a-fA-F0-9]+', Number.Hex),
(r'0[0-7]+', Number.Oct),
(r'\d+\.\d+', Number.Float),
(r'\d+', Number.Integer),
(r'\$([\w.:-]+)', Name.Variable),
(r'([\w.:-]+)', Text),
],
'params': [
(r';', Keyword, '#pop'),
(r'\n', Text, '#pop'),
(r'(else|elseif|then)\b', Keyword),
include('basic'),
include('data'),
],
'params-in-brace': [
(r'\}', Keyword, ('#pop', '#pop')),
include('params')
],
'params-in-paren': [
(r'\)', Keyword, ('#pop', '#pop')),
include('params')
],
'params-in-bracket': [
(r'\]', Keyword, ('#pop', '#pop')),
include('params')
],
'string': [
(r'\[', String.Double, 'string-square'),
(r'(?s)(\\\\|\\[0-7]+|\\.|[^"\\])', String.Double),
(r'"', String.Double, '#pop')
],
'string-square': [
(r'\[', String.Double, 'string-square'),
(r'(?s)(\\\\|\\[0-7]+|\\.|\\\n|[^\]\\])', String.Double),
(r'\]', String.Double, '#pop')
],
'brace': [
(r'\}', Keyword, '#pop'),
include('command-in-brace'),
include('basic'),
include('data'),
],
'paren': [
(r'\)', Keyword, '#pop'),
include('command-in-paren'),
include('basic'),
include('data'),
],
'bracket': [
(r'\]', Keyword, '#pop'),
include('command-in-bracket'),
include('basic'),
include('data'),
],
'comment': [
(r'.*[^\\]\n', Comment, '#pop'),
(r'.*\\\n', Comment),
],
}
def analyse_text(text):
return shebang_matches(text, r'(tcl)')
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