Function par_not

src/gpre/exp.cpp:1347–1364

//

static gpre_nod* par_not( gpre_req* request)
{
	if (MSC_match(KW_LEFT_PAREN))
	{
		gpre_nod* anode = par_boolean(request);
		EXP_match_paren();
		return anode;
	}

	gpre_nod* node = par_udf(request, UDF_boolean, 0);
	if (node)
		return node;

	if (!MSC_match(KW_NOT))
		return par_relational(request);

	return MSC_unary(nod_not, par_not(request));
}


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