static void Designator(out DesType des)
{
string name;
int indexType;
Ident(out name);
Entry entry = Table.Find(name);
if (!entry.declared)
{
SemError("undeclared identifier");
}
des = new DesType(entry);
if (entry.kind == Kinds.Var)
{
CodeGen.LoadAddress(entry);
}
if (la.kind == lbrack_Sym)
{
Get();
if (IsArray(des.type))
{
des.type--;
}
else
{
SemError("unexpected subscript");
}
if (des.entry.kind != Kinds.Var)
{
SemError("unexpected subscript");
}
CodeGen.Dereference();
Expression(out indexType);
if (!IsArith(indexType))
{
SemError("invalid subscript type");
}
CodeGen.Index();
Expect(rbrack_Sym);
}
}
