ex_call(exarg_T *eap)
{
    char_u	*arg = eap->arg;
    char_u	*startarg;
    char_u	*name;
    char_u	*tofree;
    int		len;
    typval_T	rettv;
    linenr_T	lnum;
    int		doesrange;
    int		failed = FALSE;
    funcdict_T	fudi;
    partial_T	*partial = NULL;
    evalarg_T	evalarg;
    type_T	*type = NULL;
    int		found_var = FALSE;

    fill_evalarg_from_eap(&evalarg, eap, eap->skip);
    if (eap->skip)
    {
	// trans_function_name() doesn't work well when skipping, use eval0()
	// instead to skip to any following command, e.g. for:
	//   :if 0 | call dict.foo().bar() | endif
	++emsg_skip;
	if (eval0(eap->arg, &rettv, eap, &evalarg) != FAIL)
	    clear_tv(&rettv);
	--emsg_skip;
	clear_evalarg(&evalarg, eap);
	return;
    }

    tofree = trans_function_name(&arg, NULL, eap->skip, TFN_INT,
			      &fudi, &partial, in_vim9script() ? &type : NULL);
    if (fudi.fd_newkey != NULL)
    {
	// Still need to give an error message for missing key.
	semsg(_(e_key_not_present_in_dictionary), fudi.fd_newkey);
	vim_free(fudi.fd_newkey);
    }
    if (tofree == NULL)
	return;

    // Increase refcount on dictionary, it could get deleted when evaluating
    // the arguments.
    if (fudi.fd_dict != NULL)
	++fudi.fd_dict->dv_refcount;

    // If it is the name of a variable of type VAR_FUNC or VAR_PARTIAL use its
    // contents.  For VAR_PARTIAL get its partial, unless we already have one
    // from trans_function_name().
    len = (int)STRLEN(tofree);
    name = deref_func_name(tofree, &len, partial != NULL ? NULL : &partial,
	    in_vim9script() && type == NULL ? &type : NULL, FALSE, &found_var);

    // Skip white space to allow ":call func ()".  Not good, but required for
    // backward compatibility.
    startarg = skipwhite(arg);
    if (*startarg != '(')
    {
	semsg(_(e_missing_parenthesis_str), eap->arg);
	goto end;
    }
    if (in_vim9script() && startarg > arg)
    {
	semsg(_(e_no_white_space_allowed_before_str_str), "(", eap->arg);
	goto end;
    }

    /*
     * When skipping, evaluate the function once, to find the end of the
     * arguments.
     * When the function takes a range, this is discovered after the first
     * call, and the loop is broken.
     */
    if (eap->skip)
    {
	++emsg_skip;
	lnum = eap->line2;	// do it once, also with an invalid range
    }
    else
	lnum = eap->line1;
    for ( ; lnum <= eap->line2; ++lnum)
    {
	funcexe_T funcexe;

	if (!eap->skip && eap->addr_count > 0)
	{
	    if (lnum > curbuf->b_ml.ml_line_count)
	    {
		// If the function deleted lines or switched to another buffer
		// the line number may become invalid.
		emsg(_(e_invalid_range));
		break;
	    }
	    curwin->w_cursor.lnum = lnum;
	    curwin->w_cursor.col = 0;
	    curwin->w_cursor.coladd = 0;
	}
	arg = startarg;

	CLEAR_FIELD(funcexe);
	funcexe.fe_firstline = eap->line1;
	funcexe.fe_lastline = eap->line2;
	funcexe.fe_doesrange = &doesrange;
	funcexe.fe_evaluate = !eap->skip;
	funcexe.fe_partial = partial;
	funcexe.fe_selfdict = fudi.fd_dict;
	funcexe.fe_check_type = type;
	funcexe.fe_found_var = found_var;
	rettv.v_type = VAR_UNKNOWN;	// clear_tv() uses this
	if (get_func_tv(name, -1, &rettv, &arg, &evalarg, &funcexe) == FAIL)
	{
	    failed = TRUE;
	    break;
	}
	if (has_watchexpr())
	    dbg_check_breakpoint(eap);

	// Handle a function returning a Funcref, Dictionary or List.
	if (handle_subscript(&arg, NULL, &rettv,
			   eap->skip ? NULL : &EVALARG_EVALUATE, TRUE) == FAIL)
	{
	    failed = TRUE;
	    break;
	}

	clear_tv(&rettv);
	if (doesrange || eap->skip)
	    break;

	// Stop when immediately aborting on error, or when an interrupt
	// occurred or an exception was thrown but not caught.
	// get_func_tv() returned OK, so that the check for trailing
	// characters below is executed.
	if (aborting())
	    break;
    }
    if (eap->skip)
	--emsg_skip;
    clear_evalarg(&evalarg, eap);

    // When inside :try we need to check for following "| catch" or "| endtry".
    // Not when there was an error, but do check if an exception was thrown.
    if ((!aborting() || did_throw)
				  && (!failed || eap->cstack->cs_trylevel > 0))
    {
	// Check for trailing illegal characters and a following command.
	arg = skipwhite(arg);
	if (!ends_excmd2(eap->arg, arg))
	{
	    if (!failed && !aborting())
	    {
		emsg_severe = TRUE;
		semsg(_(e_trailing_characters_str), arg);
	    }
	}
	else
	    set_nextcmd(eap, arg);
    }

end:
    dict_unref(fudi.fd_dict);
    vim_free(tofree);
}
ex_call(exarg_T *eap)
{
    char_u	*arg = eap->arg;
    char_u	*startarg;
    char_u	*name;
    char_u	*tofree;
    int		len;
    typval_T	rettv;
    linenr_T	lnum;
    int		doesrange;
    int		failed = FALSE;
    funcdict_T	fudi;
    partial_T	*partial = NULL;
    evalarg_T	evalarg;
    type_T	*type = NULL;
    int		found_var = FALSE;

    fill_evalarg_from_eap(&evalarg, eap, eap->skip);
    if (eap->skip)
    {
	 
	 
	 
	++emsg_skip;
	if (eval0(eap->arg, &rettv, eap, &evalarg) != FAIL)
	    clear_tv(&rettv);
	--emsg_skip;
	clear_evalarg(&evalarg, eap);
	return;
    }

    tofree = trans_function_name(&arg, NULL, eap->skip, TFN_INT,
			      &fudi, &partial, in_vim9script() ? &type : NULL);
    if (fudi.fd_newkey != NULL)
    {
	 
	semsg(_(e_key_not_present_in_dictionary), fudi.fd_newkey);
	vim_free(fudi.fd_newkey);
    }
    if (tofree == NULL)
	return;

     
     
    if (fudi.fd_dict != NULL)
	++fudi.fd_dict->dv_refcount;

     
     
     
    len = (int)STRLEN(tofree);
    name = deref_func_name(tofree, &len, partial != NULL ? NULL : &partial,
	    in_vim9script() && type == NULL ? &type : NULL, FALSE, &found_var);

     
     
    startarg = skipwhite(arg);
    if (*startarg != '(')
    {
	semsg(_(e_missing_parenthesis_str), eap->arg);
	goto end;
    }
    if (in_vim9script() && startarg > arg)
    {
	semsg(_(e_no_white_space_allowed_before_str_str), "(", eap->arg);
	goto end;
    }

     
    if (eap->skip)
    {
	++emsg_skip;
	lnum = eap->line2;	 
    }
    else
	lnum = eap->line1;
    for ( ; lnum <= eap->line2; ++lnum)
    {
	funcexe_T funcexe;

	if (!eap->skip && eap->addr_count > 0)
	{
	    if (lnum > curbuf->b_ml.ml_line_count)
	    {
		 
		 
		emsg(_(e_invalid_range));
		break;
	    }
	    curwin->w_cursor.lnum = lnum;
	    curwin->w_cursor.col = 0;
	    curwin->w_cursor.coladd = 0;
	}
	arg = startarg;

	CLEAR_FIELD(funcexe);
	funcexe.fe_firstline = eap->line1;
	funcexe.fe_lastline = eap->line2;
	funcexe.fe_doesrange = &doesrange;
	funcexe.fe_evaluate = !eap->skip;
	funcexe.fe_partial = partial;
	funcexe.fe_selfdict = fudi.fd_dict;
	funcexe.fe_check_type = type;
	funcexe.fe_found_var = found_var;
	rettv.v_type = VAR_UNKNOWN;	 
	if (get_func_tv(name, -1, &rettv, &arg, &evalarg, &funcexe) == FAIL)
	{
	    failed = TRUE;
	    break;
	}
	if (has_watchexpr())
	    dbg_check_breakpoint(eap);

	 
	if (handle_subscript(&arg, NULL, &rettv,
			   eap->skip ? NULL : &EVALARG_EVALUATE, TRUE) == FAIL)
	{
	    failed = TRUE;
	    break;
	}

	clear_tv(&rettv);
	if (doesrange || eap->skip)
	    break;

	 
	 
	 
	 
	if (aborting())
	    break;
    }
    if (eap->skip)
	--emsg_skip;
    clear_evalarg(&evalarg, eap);

     
     
    if ((!aborting() || did_throw)
				  && (!failed || eap->cstack->cs_trylevel > 0))
    {
	 
	arg = skipwhite(arg);
	if (!ends_excmd2(eap->arg, arg))
	{
	    if (!failed && !aborting())
	    {
		emsg_severe = TRUE;
		semsg(_(e_trailing_characters_str), arg);
	    }
	}
	else
	    set_nextcmd(eap, arg);
    }

end:
    dict_unref(fudi.fd_dict);
    vim_free(tofree);
}