bool Query::internalCheck()
{
int i;
Search::Operator op;
Search *s = NULL;
ElementTypeList::iterator elementIter;
if (count() != (countOperands() + countOperators())) {
return false;
}
for (elementIter = m_elementType.begin(), i = 0; elementIter != m_elementType.end(); ++elementIter, ++i) {
switch (*elementIter) {
case SearchElement :
s = search(i);
if (s == NULL) {
return false;
}
switch (s->type()) {
case Search::NullSearch :
case Search::PositionSearch :
case Search::EloSearch :
break;
default :
// undefined search
return false;
}
break;
case OperatorElement :
op = searchOperator(i);
switch (op) {
case Search::And :
case Search::Or :
case Search::Remove :
case Search::Not :
case Search::NullOperator :
break;
default :
// Undefined operator
return false;
}
break;
default :
// Undefined element
return false;
}
}
return true;
}
int64_t getStackPopped(PC pc) {
auto const op = peek_op(pc);
switch (op) {
case Op::FCall: return getImm(pc, 0).u_IVA + kNumActRecCells;
case Op::FCallD: return getImm(pc, 0).u_IVA + kNumActRecCells;
case Op::FCallAwait: return getImm(pc, 0).u_IVA + kNumActRecCells;
case Op::FCallArray: return kNumActRecCells + 1;
case Op::QueryM:
case Op::VGetM:
case Op::IncDecM:
case Op::UnsetM:
case Op::NewPackedArray:
case Op::NewVecArray:
case Op::NewKeysetArray:
case Op::ConcatN:
case Op::FCallBuiltin:
case Op::CreateCl:
return getImm(pc, 0).u_IVA;
case Op::FPassM:
// imm[0] is argument index
return getImm(pc, 1).u_IVA;
case Op::SetM:
case Op::SetOpM:
case Op::BindM:
return getImm(pc, 0).u_IVA + 1;
case Op::NewStructArray: return getImmVector(pc).size();
case Op::BaseSC: case Op::BaseSL: return getImm(pc, 1).u_IVA + 1;
default: break;
}
uint64_t mask = getInstrInfo(op).in;
int64_t count = 0;
// All instructions with these properties are handled above
assertx((mask & (StackN | BStackN)) == 0);
return count + countOperands(mask);
}
int64_t getStackPushed(PC pc) {
auto const op = peek_op(pc);
if (op == Op::BaseSC || op == Op::BaseSL) return getImm(pc, 1).u_IVA;
return countOperands(getInstrInfo(op).out);
}