Function par_nullif

src/gpre/sqe.cpp:2253–2266

//		we generate a nod_case1 node.

static gpre_nod* par_nullif(gpre_req* request)
{
	gpre_nod* node = MSC_node(nod_case1, 4);
	EXP_left_paren(0);
	node->nod_arg[0] = SQE_value(request, false, NULL, NULL);
	if (! MSC_match(KW_COMMA))
		CPR_s_error("comma");
	node->nod_arg[1] = SQE_value(request, false, NULL, NULL);
	node->nod_arg[2] = MSC_node(nod_null, 0);
	node->nod_arg[3] = node->nod_arg[0];
	USHORT local_count = 1;
	par_terminating_parens(&local_count, &local_count);
	return node;
}

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