Patch 9.0.1370

[Bram Moolenaar]

Patch 9.0.1370
Problem: Crash when using a NULL object. (Ernie Rael)
Solution: Check for NULL and give an error message. (closes #12083)
Files: src/vim9execute.c, src/testdir/test_vim9_class.vim


*** ../vim-9.0.1369/src/vim9execute.c 2023-02-27 08:07:10.877872837 +0000
--- src/vim9execute.c 2023-03-02 17:33:26.827353741 +0000
***************
*** 5321,5326 ****
--- 5321,5333 ----
}

object_T *obj = tv->vval.v_object;
+ if (obj == NULL)
+ {
+ SOURCING_LNUM = iptr->isn_lnum;
+ emsg(_(e_using_null_object));
+ goto on_error;
+ }
+
int idx;
if (iptr->isn_type == ISN_GET_OBJ_MEMBER)
idx = iptr->isn_arg.number;
*** ../vim-9.0.1369/src/testdir/test_vim9_class.vim 2023-02-26 18:58:19.754802188 +0000
--- src/testdir/test_vim9_class.vim 2023-03-02 17:36:28.059552954 +0000
***************
*** 238,243 ****
--- 238,261 ----
lines =<< trim END
vim9script

+ class Class
+ this.id: string
+ def Method1()
+ echo 'Method1' .. this.id
+ enddef
+ endclass
+
+ var obj: Class
+ def Func()
+ obj.Method1()
+ enddef
+ Func()
+ END
+ v9.CheckScriptFailure(lines, 'E1360:')
+
+ lines =<< trim END
+ vim9script
+
class Background
this.background = 'dark'
endclass
*** ../vim-9.0.1369/src/version.c 2023-03-02 14:46:43.889086014 +0000
--- src/version.c 2023-03-02 17:34:29.247408434 +0000
***************
*** 697,698 ****
--- 697,700 ----
{ /* Add new patch number below this line */
+ /**/
+ 1370,
/**/

--
hundred-and-one symptoms of being an internet addict:
210. When you get a divorce, you don't care about who gets the children,
but discuss endlessly who can use the email address.

/// Bram Moolenaar -- Br...@Moolenaar.net -- http://www.Moolenaar.net \\\
/// \\\
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\\\ help me help AIDS victims -- http://ICCF-Holland.org ///