case 1:
if (operands[0] instanceof ErrorEval) {
b = true;
}
else if (operands[0] instanceof AreaEval) {
AreaEval ae = (AreaEval) operands[0];
if (ae.contains(srcCellRow, srcCellCol)) { // circular ref!
retval = ErrorEval.CIRCULAR_REF_ERROR;
}
else if (ae.isRow()) {
if (ae.containsColumn(srcCellCol)) {
ValueEval ve = ae.getValueAt(ae.getFirstRow(), srcCellCol);
if (ve instanceof RefEval)
b = ((RefEval) ve).getInnerValueEval() instanceof ErrorEval;
else
b = (ve instanceof ErrorEval);
}
else {
b = true;
}
}
else if (ae.isColumn()) {
if (ae.containsRow(srcCellRow)) {
ValueEval ve = ae.getValueAt(srcCellRow, ae.getFirstColumn());
if (ve instanceof RefEval)
b = ((RefEval) ve).getInnerValueEval() instanceof ErrorEval;
else
b = (ve instanceof ErrorEval);
}