public Xobject Index(Xobject i) {
if (type.isArray() || value.code == Xcode.VAR_ADDR || value.code == Xcode.ARRAY_ADDR)
return Xcons.PointerRef(Xcons.binaryOp(Xcode.PLUS_EXPR, Ref(), i));
if (type.isPointer()) return Xcons.PointerRef(Xcons.binaryOp(Xcode.PLUS_EXPR, value, i));
XmLog.fatal("Index: not Pointer");
return null;
}
// return value for refernce 'id'
public Xobject Ref() {
if (getStorageClass() == StorageClass.REG) return Xcons.Int(Xcode.REG, type, num);
if (type.isFunction()) return value;
if (value == null) {
XmLog.fatal("value is null : " + toString());
}
return Xcons.PointerRef(value);
}
