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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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37
src/vim9instr.c
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@@ -570,6 +570,40 @@ generate_tv_PUSH(cctx_T *cctx, typval_T *tv)
generate_PUSHBLOB(cctx, tv->vval.v_blob);
tv->vval.v_blob = NULL;
break;
case VAR_LIST:
if (tv->vval.v_list != NULL)
iemsg("non-empty list constant not supported");
generate_NEWLIST(cctx, 0);
break;
case VAR_DICT:
if (tv->vval.v_dict != NULL)
iemsg("non-empty dict constant not supported");
generate_NEWDICT(cctx, 0);
break;
#ifdef FEAT_JOB_CHANNEL
case VAR_JOB:
if (tv->vval.v_job != NULL)
iemsg("non-null job constant not supported");
generate_PUSHJOB(cctx, NULL);
break;
case VAR_CHANNEL:
if (tv->vval.v_channel != NULL)
iemsg("non-null channel constant not supported");
generate_PUSHCHANNEL(cctx, NULL);
break;
#endif
case VAR_FUNC:
if (tv->vval.v_string != NULL)
iemsg("non-null function constant not supported");
generate_PUSHFUNC(cctx, NULL, &t_func_unknown);
break;
case VAR_PARTIAL:
if (tv->vval.v_partial != NULL)
iemsg("non-null partial constant not supported");
if (generate_instr_type(cctx, ISN_NEWPARTIAL, &t_func_unknown)
== NULL)
return FAIL;
break;
case VAR_STRING:
generate_PUSHS(cctx, &tv->vval.v_string);
tv->vval.v_string = NULL;
@@ -706,7 +740,7 @@ generate_PUSHJOB(cctx_T *cctx, job_T *job)
isn_T *isn;
RETURN_OK_IF_SKIP(cctx);
if ((isn = generate_instr_type(cctx, ISN_PUSHJOB, &t_channel)) == NULL)
if ((isn = generate_instr_type(cctx, ISN_PUSHJOB, &t_job)) == NULL)
return FAIL;
isn->isn_arg.job = job;
@@ -2185,6 +2219,7 @@ delete_instr(isn_T *isn)
case ISN_NEGATENR:
case ISN_NEWDICT:
case ISN_NEWLIST:
case ISN_NEWPARTIAL:
case ISN_OPANY:
case ISN_OPFLOAT:
case ISN_OPNR: