semantic-lex-paren-or-list

semantic-lex-paren-or-list is a variable defined in `lex.el'.
Its value is shown below.

Documentation:
Detect open parenthesis.
Return either a paren token or a semantic list token depending on
`semantic-lex-current-depth'.

Value:

((looking-at "\\s(")
 (if
     (or
      (not semantic-lex-maximum-depth)
      (< semantic-lex-current-depth semantic-lex-maximum-depth))
     (progn
       (setq semantic-lex-current-depth
	     (1+ semantic-lex-current-depth))
       (semantic-lex-push-token
	(semantic-lex-token 'open-paren
			    (match-beginning 0)
			    (match-end 0))))
   (semantic-lex-push-token
    (semantic-lex-token 'semantic-list
			(match-beginning 0)
			(save-excursion
			  (semantic-lex-unterminated-syntax-protection 'semantic-list
			    (forward-list 1)
			    (point)))))))