lang/emacs-lisp: refactor eval handler

pp-eval-expression does much of what +emacs-lisp-eval used to do.

modules/lang/emacs-lisp/autoload.el

@@ -8,31 +8,16 @@
   "Evaluate a region and print it to the echo area (if one line long), otherwise
 to a pop up buffer."
   (require 'pp)
-  (let ((result
   (let ((debug-on-error t)
-               (doom--current-module (ignore-errors (doom-module-from-path buffer-file-name))))
-           (eval (read
-                  (concat "(progn "
-                          (buffer-substring-no-properties beg end)
-                          "\n)"))
-                 t)))
-        (buf (get-buffer-create "*doom eval*"))
-        (inhibit-read-only t))
-    (with-current-buffer buf
-      (read-only-mode +1)
-      (erase-buffer)
-      (setq-local scroll-margin 0)
-      (let (emacs-lisp-mode-hook)
-        (emacs-lisp-mode))
-      (pp result buf)
-      (let ((lines (count-lines (point-min) (point-max))))
-        (if (> lines 1)
-            (save-selected-window
-              (pop-to-buffer buf)
-              (with-current-buffer buf
-                (goto-char (point-min))))
-          (message "%s" (buffer-substring (point-min) (point-max)))
-          (kill-buffer buf))))))
+        (buffer-file-name (buffer-file-name (buffer-base-buffer)))
+        (doom--current-module (ignore-errors (doom-module-from-path buffer-file-name)))
+        (temp-buffer-show-hook
+         (cons (if (fboundp '+word-wrap-mode)
+                   '+word-wrap-mode
+                 'visual-line-mode)
+               temp-buffer-show-hook)))
+    (pp-eval-expression
+     (read (buffer-substring-no-properties beg end)))))
 
 (defvar +emacs-lisp--face nil)
 ;;;###autoload