More informative error on cider-docview-file

1 files changed, 9 insertions, 4 deletions

diff --git a/cider-doc.el b/cider-doc.el
index b2c833e9..dff73104 100644
--- a/cider-doc.el
+++ b/cider-doc.el
@@ -175,10 +175,15 @@
   "Open the source for the current symbol, if available."
   (interactive)
   (if cider-docview-file
-      (let ((buffer (and cider-docview-file
-                         (not (cider--tooling-file-p cider-docview-file))
-                         (cider-find-file cider-docview-file))))
-        (cider-jump-to buffer (cons cider-docview-line nil) nil))
+      (-if-let (buffer (and (not (cider--tooling-file-p cider-docview-file))
+                            (cider-find-file cider-docview-file)))
+          (cider-jump-to buffer (if cider-docview-line
+                                    (cons cider-docview-line nil)
+                                  cider-docview-symbol)
+                         nil)
+        (user-error
+         (substitute-command-keys
+          "Can't find the source because it wasn't defined with `cider-eval-buffer'")))
     (error "No source location for %s" cider-docview-symbol)))
 
 (defun cider-docview-grimoire ()