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Diffstat (limited to 'venv/lib/python3.9/site-packages/pygments/lexers/tcl.py')
-rw-r--r-- | venv/lib/python3.9/site-packages/pygments/lexers/tcl.py | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/venv/lib/python3.9/site-packages/pygments/lexers/tcl.py b/venv/lib/python3.9/site-packages/pygments/lexers/tcl.py new file mode 100644 index 00000000..f444223a --- /dev/null +++ b/venv/lib/python3.9/site-packages/pygments/lexers/tcl.py @@ -0,0 +1,149 @@ +""" + pygments.lexers.tcl + ~~~~~~~~~~~~~~~~~~~ + + Lexers for Tcl and related languages. + + :copyright: Copyright 2006-2023 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. + + .. 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' + url = 'https://www.tcl.tk/about/language.html' + 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+', 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)') |