# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1638273606 -3600
# Node ID 936f77929f161314bc8f539f102749781884cdc0
# Parent  b9b685b5f8ae40d609463c308ddfc97f129d2fe8
patch 8.2.3702: first key in dict is seen as curly expression and fails

Commit: https://github.com/vim/vim/commit/98cb90ef865089a5ddd20bc0303d449fb7d97fb2
Author: Bram Moolenaar <Bram@vim.org>
Date:   Tue Nov 30 11:56:22 2021 +0000

    patch 8.2.3702: first key in dict is seen as curly expression and fails

    Problem:    First key in dict is seen as curly expression and fails.
    Solution:   Ignore failure of curly expression. (closes https://github.com/vim/vim/issues/9247)

diff --git a/src/dict.c b/src/dict.c
--- a/src/dict.c
+++ b/src/dict.c
@@ -891,7 +891,7 @@ eval_dict(char_u **arg, typval_T *rettv,
     typval_T	tv;
     char_u	*key = NULL;
     dictitem_T	*item;
-    char_u	*start = skipwhite(*arg + 1);
+    char_u	*curly_expr = skipwhite(*arg + 1);
     char_u	buf[NUMBUFLEN];
     int		vim9script = in_vim9script();
     int		had_comma;
@@ -903,13 +903,11 @@ eval_dict(char_u **arg, typval_T *rettv,
      * first item.
      * But {} is an empty Dictionary.
      */
-    if (!vim9script && *start != '}')
-    {
-	if (eval1(&start, &tv, NULL) == FAIL)	// recursive!
-	    return FAIL;
-	if (*skipwhite(start) == '}')
-	    return NOTDONE;
-    }
+    if (!vim9script
+	    && *curly_expr != '}'
+	    && eval1(&curly_expr, &tv, NULL) == OK
+	    && *skipwhite(curly_expr) == '}')
+	return NOTDONE;
 
     if (evaluate)
     {
diff --git a/src/testdir/test_listdict.vim b/src/testdir/test_listdict.vim
--- a/src/testdir/test_listdict.vim
+++ b/src/testdir/test_listdict.vim
@@ -297,6 +297,9 @@ func Test_dict()
   call assert_fails('let d={[] : 10}', 'E730:')
   " undefined variable as value
   call assert_fails("let d={'k' : i}", 'E121:')
+
+  " allow key starting with number at the start, not a curly expression
+  call assert_equal({'1foo': 77}, #{1foo: 77})
 endfunc
 
 " This was allowed in legacy Vim script
diff --git a/src/typval.c b/src/typval.c
--- a/src/typval.c
+++ b/src/typval.c
@@ -1822,7 +1822,8 @@ eval_number(
 		      : STR2NR_ALL, &n, NULL, 0, TRUE);
 	if (len == 0)
 	{
-	    semsg(_(e_invalid_expression_str), *arg);
+	    if (evaluate)
+		semsg(_(e_invalid_expression_str), *arg);
 	    return FAIL;
 	}
 	*arg += len;
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -754,6 +754,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3702,
+/**/
     3701,
 /**/
     3700,