From 1f4a3457a3e55cdacd70ab0d5be587c248fb1ce8 Mon Sep 17 00:00:00 2001 From: Bram Moolenaar Date: Sat, 1 Jan 2022 18:29:21 +0000 Subject: [PATCH] patch 8.2.3974: Vim9: LISTAPPEND instruction does not check for a locked list Problem: Vim9: LISTAPPEND instruction does not check for a locked list. Solution: Check whether the list is locked. (closes #9452) --- src/testdir/test_vim9_builtin.vim | 11 +++++++++++ src/version.c | 2 ++ src/vim9execute.c | 4 +++- 3 files changed, 16 insertions(+), 1 deletion(-) diff --git a/src/testdir/test_vim9_builtin.vim b/src/testdir/test_vim9_builtin.vim index 978ceb068..df9e8ec10 100644 --- a/src/testdir/test_vim9_builtin.vim +++ b/src/testdir/test_vim9_builtin.vim @@ -78,6 +78,17 @@ enddef def Test_add() CheckDefAndScriptFailure(['add({}, 1)'], ['E1013: Argument 1: type mismatch, expected list but got dict', 'E1226: List or Blob required for argument 1']) CheckDefFailure(['add([1], "a")'], 'E1012: Type mismatch; expected number but got string') + + var lines =<< trim END + vim9script + g:thelist = [1] + lockvar g:thelist + def TryChange() + g:thelist->add(2) + enddef + TryChange() + END + CheckScriptFailure(lines, 'E741:') enddef def Test_add_blob() diff --git a/src/version.c b/src/version.c index 1fc6dac72..12e236cac 100644 --- a/src/version.c +++ b/src/version.c @@ -749,6 +749,8 @@ static char *(features[]) = static int included_patches[] = { /* Add new patch number below this line */ +/**/ + 3974, /**/ 3973, /**/ diff --git a/src/vim9execute.c b/src/vim9execute.c index a0b1fe417..81f35787c 100644 --- a/src/vim9execute.c +++ b/src/vim9execute.c @@ -3911,12 +3911,14 @@ exec_instructions(ectx_T *ectx) list_T *l = tv1->vval.v_list; // add an item to a list + SOURCING_LNUM = iptr->isn_lnum; if (l == NULL) { - SOURCING_LNUM = iptr->isn_lnum; emsg(_(e_cannot_add_to_null_list)); goto on_error; } + if (value_check_lock(l->lv_lock, NULL, FALSE)) + goto on_error; if (list_append_tv(l, tv2) == FAIL) goto theend; clear_tv(tv2); -- 2.40.0