diff options
Diffstat (limited to 'src/nvim/eval.c')
| -rw-r--r-- | src/nvim/eval.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/nvim/eval.c b/src/nvim/eval.c index ee0860a8d1..f9b32d758d 100644 --- a/src/nvim/eval.c +++ b/src/nvim/eval.c @@ -1467,14 +1467,22 @@ char *get_lval(char *const name, typval_T *const rettv, lval_T *const lp, const } 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)) { + if (lp->ll_tv->v_type != VAR_LIST + && lp->ll_tv->v_type != VAR_DICT + && lp->ll_tv->v_type != VAR_BLOB) { if (!quiet) { emsg(_("E689: Can only index a List, Dictionary or Blob")); } return NULL; } + + // a NULL list/blob works like an empty list/blob, allocate one now. + if (lp->ll_tv->v_type == VAR_LIST && lp->ll_tv->vval.v_list == NULL) { + tv_list_alloc_ret(lp->ll_tv, kListLenUnknown); + } else if (lp->ll_tv->v_type == VAR_BLOB && lp->ll_tv->vval.v_blob == NULL) { + tv_blob_alloc_ret(lp->ll_tv); + } + if (lp->ll_range) { if (!quiet) { emsg(_("E708: [:] must come last")); |