[elpa] externals/pyim 2dcdeff: Improve pyim-dcache-init-variable and pyim-dcache-reload-variable

[ELPA Syncer]

branch: externals/pyim
commit 2dcdeff0caaf1267ba5b75c7bc399276aac123e7
Author: Feng Shu <tumashu@163.com>
Commit: Feng Shu <tumashu@163.com>

    Improve pyim-dcache-init-variable and pyim-dcache-reload-variable
---
 pyim-dcache.el | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/pyim-dcache.el b/pyim-dcache.el
index 1df6718..2b88da6 100644
--- a/pyim-dcache.el
+++ b/pyim-dcache.el
@@ -91,15 +91,16 @@ dcache 文件的方法让 pyim 正常工作。")
 如果 VARIABLE 的值为 nil, 则使用 ‘pyim-dcache-directory’ 中对应文
 件的内容来设置 VARIABLE 变量, 如果此时 VARIABLE 取值还是 nil, 那
 么就将 VARIABLE 的值设置为 FALLBACK-VALUE."
-  `(unless ,variable
-     (setf ,variable (or (pyim-dcache-get-value ',variable)
+  `(when (and (symbolp ',variable) (not ,variable))
+     (setq ,variable (or (pyim-dcache-get-value ',variable)
                          ,fallback-value
                          (make-hash-table :test #'equal)))))
 
 (defmacro pyim-dcache-reload-variable (variable)
   "从 `pyim-dcache-directory' 重新读取并设置 VARIABLE 的值."
-  `(setf ,variable (or (pyim-dcache-get-value ',variable)
-                       (make-hash-table :test #'equal))))
+  `(when (symbolp ',variable)
+     (setq ,variable (or (pyim-dcache-get-value ',variable)
+                         (make-hash-table :test #'equal)))))
 
 (defun pyim-dcache-get-value (variable)
   "从 `pyim-dcache-directory' 中读取与 VARIABLE 对应的文件中保存的值."