diff options
Diffstat (limited to 'src/channel.c')
| -rw-r--r-- | src/channel.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/channel.c b/src/channel.c index 85089cb186..ef747d0e25 100644 --- a/src/channel.c +++ b/src/channel.c @@ -4520,6 +4520,7 @@ ch_expr_common(typval_T *argvars, typval_T *rettv, int eval) ch_part_T part_read; jobopt_T opt; int timeout; + int callback_present = FALSE; // return an empty string by default rettv->v_type = VAR_STRING; @@ -4546,7 +4547,9 @@ ch_expr_common(typval_T *argvars, typval_T *rettv, int eval) { dict_T *d; dictitem_T *di; - int callback_present = FALSE; + + // return an empty dict by default + rettv_dict_alloc(rettv); if (argvars[1].v_type != VAR_DICT) { @@ -4629,6 +4632,14 @@ ch_expr_common(typval_T *argvars, typval_T *rettv, int eval) } } free_job_options(&opt); + if (ch_mode == MODE_LSP && !eval && callback_present) + { + // if ch_sendexpr() is used to send a LSP message and a callback + // function is specified, then return the generated identifier for the + // message. The user can use this to cancel the request (if needed). + if (rettv->vval.v_dict != NULL) + dict_add_number(rettv->vval.v_dict, "id", id); + } } /* |