void GenSymboltableCheck(Node p, int indent)
{
if (!string.IsNullOrEmpty(p.declares))
{
Indent(indent);
gen.WriteLine("if (!{0}.Add(la)) SemErr(la, string.Format(DuplicateSymbol, {1}, la.val, {0}.name));", p.declares, tab.Quoted(p.sym.name));
Indent(indent);
gen.WriteLine("alternatives.tdeclares = {0};", p.declares);
}
else if (!string.IsNullOrEmpty(p.declared))
{
Indent(indent);
gen.WriteLine("if (!{0}.Use(la, alternatives)) SemErr(la, string.Format(MissingSymbol, {1}, la.val, {0}.name));", p.declared, tab.Quoted(p.sym.name));
}
}