feat(emacs/lean-tags): use full-name to look up tags

src/emacs/lean-info.el

@@ -522,4 +522,11 @@ Take out \"BEGININFO\" and \"ENDINFO\" and Use \"ACK\" as a delim."
       (setq column (1- column)))
     (lean-get-info-record file-name line-number column)))
 
+(defun lean-get-full-name-at-point ()
+  "Return the full-name at point (if any)"
+  (let* ((info-record (lean-get-info-record-at-point))
+         (id (cl-first (lean-info-record-identifier info-record))))
+    (when id
+      (lean-info-identifier-body-str id))))
+
 (provide 'lean-info)

src/emacs/lean-mode.el

@@ -188,6 +188,7 @@ enabled and disabled respectively.")
   (set (make-local-variable 'comment-padding) 1)
   (set (make-local-variable 'comment-use-syntax) t)
   (set (make-local-variable 'font-lock-defaults) lean-font-lock-defaults)
+  (set (make-local-variable 'tags-revert-without-query) t)
   (set (make-local-variable 'indent-tabs-mode) nil)
   (set-input-method "Lean")
   (set (make-local-variable 'lisp-indent-function)

src/emacs/lean-tags.el

@@ -4,25 +4,24 @@
 ;; Author: Soonho Kong
 ;;
 
-(defun lean-run-lmake-tag ()
+(require 'dash)
+
+(defun lean-generate-tags ()
+  "Run lmake TAGS."
+  (interactive)
   (let ((ltags-file-name (lean-get-executable "lmake")))
     (call-process ltags-file-name nil nil nil "TAGS" "--jobs" "--keep-going" "--permissive")))
 
 (defun lean-find-tag ()
   "lean-find-tag"
   (interactive)
-  (let ((bounds (bounds-of-thing-at-point 'symbol))
-        symbol-name)
-    (when bounds
-      (setq symbol-name (buffer-substring-no-properties (car bounds) (cdr bounds)))
-      (lean-run-lmake-tag)
-      (find-tag symbol-name))))
+  (let ((full-name (lean-get-full-name-at-point)))
+    (when full-name
+      (find-tag full-name))))
 
 (defun lean-complete-tag ()
   "complete with tag"
   (interactive)
-  (lean-run-lmake-tag)
+  (lean-generate-tags)
   (complete-tag))
-(setq tags-revert-without-query t)
-
 (provide 'lean-tags)