patch 9.1.0450: evalc. code too complex

Problem:  eval.c code too complex
Solution: refactor eval6() and eval9() functions into several smaller
          functions (Yegappan Lakshmanan)

closes: #14875

Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/dict.c b/src/dict.c
index c78995d..bf45b0b 100644
--- a/src/dict.c
+++ b/src/dict.c
@@ -1092,6 +1092,33 @@
 }
 
 /*
+ * Evaluate a literal dictionary: #{key: val, key: val}
+ * "*arg" points to the "#".
+ * On return, "*arg" points to the character after the Dict.
+ * Return OK or FAIL.  Returns NOTDONE for {expr}.
+ */
+    int
+eval_lit_dict(char_u **arg, typval_T *rettv, evalarg_T *evalarg)
+{
+    int		vim9script = in_vim9script();
+    int		ret = OK;
+
+    if (vim9script)
+    {
+	ret = vim9_bad_comment(*arg) ? FAIL : NOTDONE;
+    }
+    else if ((*arg)[1] == '{')
+    {
+	++*arg;
+	ret = eval_dict(arg, rettv, evalarg, TRUE);
+    }
+    else
+	ret = NOTDONE;
+
+    return ret;
+}
+
+/*
  * Go over all entries in "d2" and add them to "d1".
  * When "action" is "error" then a duplicate key is an error.
  * When "action" is "force" then a duplicate key is overwritten.