Patch 8.2.3720
Problem: Vim9: Internal error when invoking closure in legacy context.
Solution: Give a more appropriate error message. (closes #9251)
Files: src/errors.h, src/vim9execute.c, src/testdir/test_vim9_func.vim
*** ../vim-8.2.3719/src/errors.h 2021-11-30 16:14:44.056582159 +0000
--- src/errors.h 2021-12-02 15:06:50.547934990 +0000
***************
*** 689,691 ****
--- 689,693 ----
INIT(= N_("E1246: Cannot find variable to (un)lock: %s"));
EXTERN char e_line_number_out_of_range[]
INIT(= N_("E1247: Line number out of range"));
+ EXTERN char e_closure_called_from_invalid_context[]
+ INIT(= N_("E1248: Closure called from invalid context"));
*** ../vim-8.2.3719/src/vim9execute.c 2021-12-01 15:22:53.106902067 +0000
--- src/vim9execute.c 2021-12-02 15:05:59.500322622 +0000
***************
*** 2733,2739 ****
if (outer == NULL)
{
SOURCING_LNUM = iptr->isn_lnum;
! iemsg("LOADOUTER depth more than scope levels");
goto theend;
}
tv = ((typval_T *)outer->out_stack->ga_data)
--- 2733,2745 ----
if (outer == NULL)
{
SOURCING_LNUM = iptr->isn_lnum;
! if (ectx->ec_frame_idx == ectx->ec_initial_frame_idx
! || ectx->ec_outer_ref == NULL)
! // Possibly :def function called from legacy
! // context.
! emsg(_(e_closure_called_from_invalid_context));
! else
! iemsg("LOADOUTER depth more than scope levels");
goto theend;
}
tv = ((typval_T *)outer->out_stack->ga_data)
*** ../vim-8.2.3719/src/testdir/test_vim9_func.vim 2021-11-28
22:00:08.152081403 +0000
--- src/testdir/test_vim9_func.vim 2021-12-02 15:12:49.401883534 +0000
***************
*** 2384,2389 ****
--- 2384,2404 ----
delfunc g:Inner
enddef
+ def Test_closure_called_from_legacy()
+ var lines =<< trim END
+ vim9script
+ def Func()
+ var outer = 'foo'
+ var F = () => {
+ outer = 'bar'
+ }
+ execute printf('call %s()', string(F))
+ enddef
+ Func()
+ END
+ CheckScriptFailure(lines, 'E1248')
+ enddef
+
def Test_failure_in_called_function()
# this was using the frame index as the return value
var lines =<< trim END
*** ../vim-8.2.3719/src/version.c 2021-12-02 12:30:17.417741511 +0000
--- src/version.c 2021-12-02 15:08:09.999387813 +0000
***************
*** 755,756 ****
--- 755,758 ----
{ /* Add new patch number below this line */
+ /**/
+ 3720,
/**/
--
Westheimer's Discovery:
A couple of months in the laboratory can
frequently save a couple of hours in the library.
/// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net \\\
/// \\\
\\\ sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ ///
\\\ help me help AIDS victims -- http://ICCF-Holland.org ///
--
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