public static GATNode _funDeclaration(this LL1Processor ll1)
{
var node = new GATNode();
var typeSpecifier = ll1._typeSpecifier();
var id = WordContainer.Advance(WordType.ID);
WordContainer.Advance(WordType.BRACKET_L);
var param = ll1._params();
WordContainer.Advance(WordType.BRACKET_R);
var compoundStmt = ll1._compoundStmt();
//
node.name = id.value;
//
node.generator = FunDeclaration;
node.AddChild(typeSpecifier); //0
node.AddChild(id); //1
node.AddChild(param); //2
node.AddChild(GATNode.LabelNode()); //3
node.AddChild(compoundStmt); //4
return(node);
}