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-rw-r--r--src/nvim/eval.c10
-rw-r--r--src/nvim/testdir/test_let.vim2
-rw-r--r--src/nvim/testdir/test_listdict.vim3
3 files changed, 13 insertions, 2 deletions
diff --git a/src/nvim/eval.c b/src/nvim/eval.c
index 2ce5cd2104..fe4ae92834 100644
--- a/src/nvim/eval.c
+++ b/src/nvim/eval.c
@@ -66,6 +66,8 @@ static char *e_nowhitespace
static char *e_write2 = N_("E80: Error while writing: %s");
static char *e_string_list_or_blob_required = N_("E1098: String, List or Blob required");
static char e_expression_too_recursive_str[] = N_("E1169: Expression too recursive: %s");
+static char e_dot_can_only_be_used_on_dictionary_str[]
+ = N_("E1203: Dot can only be used on a dictionary: %s");
static char * const namespace_char = "abglstvw";
@@ -1326,7 +1328,13 @@ char *get_lval(char *const name, typval_T *const rettv, lval_T *const lp, const
var1.v_type = VAR_UNKNOWN;
typval_T var2;
var2.v_type = VAR_UNKNOWN;
- while (*p == '[' || (*p == '.' && lp->ll_tv->v_type == VAR_DICT)) {
+ while (*p == '[' || (*p == '.' && p[1] != '=' && p[1] != '.')) {
+ if (*p == '.' && lp->ll_tv->v_type != VAR_DICT) {
+ if (!quiet) {
+ semsg(_(e_dot_can_only_be_used_on_dictionary_str), name);
+ }
+ return NULL;
+ }
if (!(lp->ll_tv->v_type == VAR_LIST && lp->ll_tv->vval.v_list != NULL)
&& !(lp->ll_tv->v_type == VAR_DICT && lp->ll_tv->vval.v_dict != NULL)
&& !(lp->ll_tv->v_type == VAR_BLOB && lp->ll_tv->vval.v_blob != NULL)) {
diff --git a/src/nvim/testdir/test_let.vim b/src/nvim/testdir/test_let.vim
index cb883fc238..49f656c787 100644
--- a/src/nvim/testdir/test_let.vim
+++ b/src/nvim/testdir/test_let.vim
@@ -276,7 +276,7 @@ func Test_let_errors()
let s = "var"
let var = 1
call assert_fails('let var += [1,2]', 'E734:')
- call assert_fails('let {s}.1 = 2', 'E18:')
+ call assert_fails('let {s}.1 = 2', 'E1203:')
call assert_fails('let a[1] = 5', 'E121:')
let l = [[1,2]]
call assert_fails('let l[:][0] = [5]', 'E708:')
diff --git a/src/nvim/testdir/test_listdict.vim b/src/nvim/testdir/test_listdict.vim
index 21d21ce428..3d90222b90 100644
--- a/src/nvim/testdir/test_listdict.vim
+++ b/src/nvim/testdir/test_listdict.vim
@@ -294,6 +294,9 @@ func Test_dict_assign()
let d.1 = 1
let d._ = 2
call assert_equal({'1': 1, '_': 2}, d)
+
+ let n = 0
+ call assert_fails('let n.key = 3', 'E1203: Dot can only be used on a dictionary: n.key = 3')
endfunc
" Function in script-local List or Dict