Patch 8.2.1454
Problem: Vim9: failure invoking lambda with wrong arguments.
Solution: Handle invalid arguments. Add a test.
Files: src/vim9compile.c, src/vim9execute.c,
src/testdir/test_vim9_expr.vim
*** ../vim-8.2.1453/src/vim9compile.c 2020-08-14 21:42:50.823581047 +0200
--- src/vim9compile.c 2020-08-14 22:00:47.617823176 +0200
***************
*** 1361,1366 ****
--- 1361,1369 ----
continue;
expected = ufunc->uf_arg_types[i];
}
+ else if (ufunc->uf_va_type == NULL)
+ // possibly a lambda
+ expected = &t_any;
else
expected = ufunc->uf_va_type->tt_member;
actual = ((type_T **)stack->ga_data)[stack->ga_len - argcount + i];
*** ../vim-8.2.1453/src/vim9execute.c 2020-08-14 18:35:02.869408647 +0200
--- src/vim9execute.c 2020-08-14 22:12:46.956115012 +0200
***************
*** 206,212 ****
arg_to_add = ufunc->uf_args.ga_len - argcount;
if (arg_to_add < 0)
{
! iemsg("Argument count wrong?");
return FAIL;
}
if (ga_grow(&ectx->ec_stack, arg_to_add + 3
--- 206,215 ----
arg_to_add = ufunc->uf_args.ga_len - argcount;
if (arg_to_add < 0)
{
! if (arg_to_add == -1)
! emsg(_("E1106: one argument too many"));
! else
! semsg(_("E1106: %d arguments too many"), -arg_to_add);
return FAIL;
}
if (ga_grow(&ectx->ec_stack, arg_to_add + 3
*** ../vim-8.2.1453/src/testdir/test_vim9_expr.vim 2020-08-14
21:49:05.616518361 +0200
--- src/testdir/test_vim9_expr.vim 2020-08-14 22:15:05.671058605 +0200
***************
*** 1584,1589 ****
--- 1584,1597 ----
call CheckDefFailure(["filter([1, 2], {k,v -> 1})"], 'E1069:')
call CheckDefFailure(["let L = {a -> a + b}"], 'E1001:')
+
+ assert_equal('xxxyyy', 'xxx'->{a, b -> a .. b}('yyy'))
+
+ CheckDefExecFailure(["let s = 'asdf'->{a -> a}('x')"],
+ 'E1106: one argument too many')
+ CheckDefExecFailure(["let s = 'asdf'->{a -> a}('x', 'y')"],
+ 'E1106: 2 arguments too many')
+ CheckDefFailure(["echo 'asdf'->{a -> a}(x)"], 'E1001:')
enddef
def Test_expr7_lambda_vim9script()
*** ../vim-8.2.1453/src/version.c 2020-08-14 21:49:05.620518318 +0200
--- src/version.c 2020-08-14 22:15:39.158804703 +0200
***************
*** 756,757 ****
--- 756,759 ----
{ /* Add new patch number below this line */
+ /**/
+ 1454,
/**/
--
panic("Foooooooood fight!");
-- In the kernel source aha1542.c, after detecting a bad segment list
/// Bram Moolenaar -- b...@moolenaar.net -- http://www.Moolenaar.net \\\
/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
\\\ an exciting new programming language -- http://www.Zimbu.org ///
\\\ help me help AIDS victims -- http://ICCF-Holland.org ///
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