Add eval-sexp-fu

This lets users eval sexpressions and have eval-sexp-fu highlight the
sexpression properly when evil-move-beyond-eol is set to nil.

evil-collection.el

@@ -58,6 +58,7 @@
     elisp-refs
     emms
     eshell
+    eval-sexp-fu
     flycheck
     geiser
     ggtags

evil-eval-sexp-fu.el

@@ -0,0 +1,59 @@
+;;; evil-eval-sexp-fu.el --- Bindings for `eval-sexp-fu'. -*- lexical-binding: t -*-
+
+;; Copyright (C) 2017 James Nguyen
+
+;; Author: James Nguyen <james@jojojames.com>
+;; Maintainer: James Nguyen <james@jojojames.com>
+;; Pierre Neidhardt <ambrevar@gmail.com>
+;; URL: https://github.com/jojojames/evil-collection
+;; Version: 0.0.1
+;; Package-Requires: ((emacs "25.1"))
+;; Keywords: evil, eval-sexp-fu, tools
+
+;; This program is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+;;; Bindings for `eval-sexp-fu'.
+
+;;; Code:
+(require 'evil)
+(with-no-warnings
+  (require 'eval-sexp-fu nil t))
+
+(defun evil-eval-sexp-fu-bounds-of-thing-at-point-sexp (command &rest args)
+  "In normal-state or motion-state, last sexp ends at point."
+  (if (and (eq (nth 0 args) 'sexp)
+           (and (not evil-move-beyond-eol)
+                (or (evil-normal-state-p) (evil-motion-state-p))))
+      (save-excursion
+        (unless (or (eobp) (eolp)) (forward-char))
+        (apply command args))
+    (apply command args)))
+
+(defun evil-eval-sexp-fu-advise-bounds-of-thing-at-point (command &rest args)
+  "Advise `bounds-of-thing-at-point' to handle `evil's `evil-move-beyond-eol'."
+  (advice-add 'bounds-of-thing-at-point
+              :around 'evil-eval-sexp-fu-bounds-of-thing-at-point-sexp)
+  (apply command args)
+  (advice-remove 'bounds-of-thing-at-point
+                 'evil-eval-sexp-fu-bounds-of-thing-at-point-sexp))
+
+(defun evil-eval-sexp-fu-setup ()
+  "Set up `evil' with `eval-sexp-fu'."
+  (unless evil-move-beyond-eol
+    (advice-add 'ad-Advice-eval-last-sexp
+                :around 'evil-eval-sexp-fu-advise-bounds-of-thing-at-point)))
+
+(provide 'evil-eval-sexp-fu)
+;;; evil-eval-sexp-fu.el ends here