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patch 8.2.4526: Vim9: cannot set variables to a null value

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Problem:    Vim9: cannot set variables to a null value.
Solution:   Add null_list, null_job, etc.
This commit is contained in:
Bram Moolenaar
2022-03-08 13:18:55 +00:00
parent 08238045e7
commit 8acb9cc620
16 changed files with 346 additions and 51 deletions
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14
src/vim9execute.c
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@@ -3440,6 +3440,17 @@ exec_instructions(ectx_T *ectx)
}
break;
// create a partial with NULL value
case ISN_NEWPARTIAL:
if (GA_GROW_FAILS(&ectx->ec_stack, 1))
goto theend;
++ectx->ec_stack.ga_len;
tv = STACK_TV_BOT(-1);
tv->v_type = VAR_PARTIAL;
tv->v_lock = 0;
tv->vval.v_partial = NULL;
break;
// call a :def function
case ISN_DCALL:
SOURCING_LNUM = iptr->isn_lnum;
@@ -5720,6 +5731,9 @@ list_instructions(char *pfx, isn_T *instr, int instr_count, ufunc_T *ufunc)
smsg("%s%4d NEWDICT size %lld", pfx, current,
(varnumber_T)(iptr->isn_arg.number));
break;
case ISN_NEWPARTIAL:
smsg("%s%4d NEWPARTIAL", pfx, current);
break;
// function call
case ISN_BCALL: