Patch 9.0.1037

[Bram Moolenaar]

Patch 9.0.1037
Problem: lalloc(0) error for a class without members.
Solution: Don't allocate room for members if there aren't any.
Don't create the class if there was an error.
Files: src/vim9class.c


*** ../vim-9.0.1036/src/vim9class.c 2022-12-08 20:41:55.433288306 +0000
--- src/vim9class.c 2022-12-08 22:07:24.899674120 +0000
***************
*** 121,128 ****
semsg(_(e_command_cannot_be_shortened_str), line);
else if (*p == '|' || !ends_excmd2(line, p))
semsg(_(e_trailing_characters_str), p);
!
! success = TRUE;
break;
}

--- 121,128 ----
semsg(_(e_command_cannot_be_shortened_str), line);
else if (*p == '|' || !ends_excmd2(line, p))
semsg(_(e_trailing_characters_str), p);
! else
! success = TRUE;
break;
}

***************
*** 190,198 ****

// Members are used by the new() function, add them here.
cl->class_obj_member_count = objmembers.ga_len;
! cl->class_obj_members = ALLOC_MULT(objmember_T, objmembers.ga_len);
if (cl->class_name == NULL
! || cl->class_obj_members == NULL)
{
vim_free(cl->class_name);
vim_free(cl->class_obj_members);
--- 190,199 ----

// Members are used by the new() function, add them here.
cl->class_obj_member_count = objmembers.ga_len;
! cl->class_obj_members = objmembers.ga_len == 0 ? NULL
! : ALLOC_MULT(objmember_T, objmembers.ga_len);
if (cl->class_name == NULL
! || (objmembers.ga_len > 0 && cl->class_obj_members == NULL))
{
vim_free(cl->class_name);
vim_free(cl->class_obj_members);
*** ../vim-9.0.1036/src/version.c 2022-12-08 21:49:09.844530541 +0000
--- src/version.c 2022-12-08 22:02:43.803796791 +0000
***************
*** 697,698 ****
--- 697,700 ----
{ /* Add new patch number below this line */
+ /**/
+ 1037,
/**/

--
God made the integers; all else is the work of Man.
-- Kronecker

/// Bram Moolenaar -- Br...@Moolenaar.net -- http://www.Moolenaar.net \\\
/// \\\
\\\ sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ ///
\\\ help me help AIDS victims -- http://ICCF-Holland.org ///