Function: semantic-symref-hit-to-tag-via-db

semantic-symref-hit-to-tag-via-db is a byte-compiled function defined in symref.el.gz.

Signature

(semantic-symref-hit-to-tag-via-db HIT SEARCHTXT SEARCHTYPE)

Documentation

Convert the symref HIT into a TAG by looking up the tag via a database.

Return the Semantic tag associated with HIT. SEARCHTXT is the text that is being searched for. Used to narrow the in-buffer search. SEARCHTYPE is the type of search (such as 'symbol or 'tagname). If there is no database, or if the searchtype is wrong, return nil.

Source Code

;; Defined in /usr/src/emacs/lisp/cedet/semantic/symref.el.gz
(defun semantic-symref-hit-to-tag-via-db (hit searchtxt searchtype)
  "Convert the symref HIT into a TAG by looking up the tag via a database.
Return the Semantic tag associated with HIT.
SEARCHTXT is the text that is being searched for.
Used to narrow the in-buffer search.
SEARCHTYPE is the type of search (such as 'symbol or 'tagname).
If there is no database, or if the searchtype is wrong, return nil."
  ;; Allowed search types for this mechanism:
  ;; tagname, tagregexp, tagcompletions
  (if (not (memq searchtype '(tagname tagregexp tagcompletions)))
      nil
    (let* ((file (cdr hit))
	   ;; FAIL here vv - don't load is not obeyed if no table found.
	   (db (semanticdb-file-table-object file t))
	   (found
            (cond ((eq searchtype 'tagname)
                   (semantic-find-tags-by-name searchtxt db))
                  ((eq searchtype 'tagregexp)
                   (semantic-find-tags-by-name-regexp searchtxt db))
                  ((eq searchtype 'tagcompletions)
                   (semantic-find-tags-for-completion searchtxt db))))
	   (hit nil)
	   )
      ;; Loop over FOUND to see if we can line up a match with a line number.
      (when (= (length found) 1)
	(setq hit (car found)))

      ;; FAIL here ^^ - symref finds line numbers, but our DB uses character locations.
      ;;                as such, this is a cheat and we will need to give up.
      hit)))