149 lines
5.4 KiB
Python
149 lines
5.4 KiB
Python
"""
|
|
pygments.lexers.tcl
|
|
~~~~~~~~~~~~~~~~~~~
|
|
|
|
Lexers for Tcl and related languages.
|
|
|
|
:copyright: Copyright 2006-2024 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, Whitespace
|
|
from pygments.util import shebang_matches
|
|
|
|
__all__ = ['TclLexer']
|
|
|
|
|
|
class TclLexer(RegexLexer):
|
|
"""
|
|
For Tcl source code.
|
|
"""
|
|
|
|
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'
|
|
url = 'https://www.tcl.tk/about/language.html'
|
|
aliases = ['tcl']
|
|
filenames = ['*.tcl', '*.rvt']
|
|
mimetypes = ['text/x-tcl', 'text/x-script.tcl', 'application/x-tcl']
|
|
version_added = '0.10'
|
|
|
|
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+', Whitespace),
|
|
(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.:-]+\}', 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)')
|