public function process(Vertex $vertex, Digraph $graph)
{
if ($vertex instanceof JitBinaryOp && $vertex->getA() instanceof Constant && $vertex->getB() instanceof Constant) {
$ret = null;
switch ($vertex->getKind()) {
case JitBinaryOp::CONCAT:
$ret = $vertex->getA()->getValue() . $vertex->getB()->getValue();
break;
case JitBinaryOp::PLUS:
$ret = $vertex->getA()->getValue() + $vertex->getB()->getValue();
break;
case JitBinaryOp::MINUS:
$ret = $vertex->getA()->getValue() - $vertex->getB()->getValue();
break;
case JitBinaryOp::MUL:
$ret = $vertex->getA()->getValue() * $vertex->getB()->getValue();
break;
case JitBinaryOp::DIV:
$ret = $vertex->getA()->getValue() / $vertex->getB()->getValue();
break;
case JitBinaryOp::MOD:
$ret = $vertex->getA()->getValue() % $vertex->getB()->getValue();
break;
case JitBinaryOp::EQUAL:
$ret = $vertex->getA()->getValue() == $vertex->getB()->getValue();
break;
case JitBinaryOp::NOT_EQUAL:
$ret = $vertex->getA()->getValue() != $vertex->getB()->getValue();
break;
case JitBinaryOp::IDENTICAL:
$ret = $vertex->getA()->getValue() == $vertex->getB()->getValue();
break;
case JitBinaryOp::NOT_IDENTICAL:
$ret = $vertex->getA()->getValue() !== $vertex->getB()->getValue();
break;
case JitBinaryOp::GREATER:
$ret = $vertex->getA()->getValue() > $vertex->getB()->getValue();
break;
case JitBinaryOp::GREATER_EQUAL:
$ret = $vertex->getA()->getValue() >= $vertex->getB()->getValue();
break;
case JitBinaryOp::SMALLER:
$ret = $vertex->getA()->getValue() < $vertex->getB()->getValue();
break;
case JitBinaryOp::SMALLER_EQUAL:
$ret = $vertex->getA()->getValue() <= $vertex->getB()->getValue();
break;
case JitBinaryOp::BITWISE_AND:
$ret = $vertex->getA()->getValue() & $vertex->getB()->getValue();
break;
case JitBinaryOp::BITWISE_OR:
$ret = $vertex->getA()->getValue() | $vertex->getB()->getValue();
break;
case JitBinaryOp::BITWISE_XOR:
$ret = $vertex->getA()->getValue() ^ $vertex->getB()->getValue();
break;
case JitBinaryOp::SHIFT_LEFT:
$ret = $vertex->getA()->getValue() << $vertex->getB()->getValue();
break;
case JitBinaryOp::SHIFT_RIGHT:
$ret = $vertex->getA()->getValue() >> $vertex->getB()->getValue();
break;
}
// replace binary op with assign op
Helper::replace($vertex, new JitAssign(new Constant($ret), $vertex->getResult()), $graph);
return true;
}
return false;
}
public function process(Vertex $vertex, Digraph $graph)
{
if ($vertex->getName() !== 'BinaryOp') {
return false;
}
$result = $vertex->getResult();
$rType = $result->getType();
if ($rType->isUnknown() || $rType->getType() === Type::TYPE_NUMERIC) {
$typePair = [$vertex->getA()->getType()->getType(), $vertex->getB()->getType()->getType()];
$newType = Type::TYPE_UNKNOWN;
switch ($vertex->getKind()) {
case JitBinaryOp::PLUS:
case JitBinaryOp::MINUS:
case JitBinaryOp::MUL:
switch ($typePair) {
case [Type::TYPE_LONG, Type::TYPE_LONG]:
$newType = Type::TYPE_NUMERIC;
break;
case [Type::TYPE_DOUBLE, Type::TYPE_LONG]:
case [Type::TYPE_LONG, Type::TYPE_DOUBLE]:
case [Type::TYPE_DOUBLE, Type::TYPE_NUMERIC]:
case [Type::TYPE_NUMERIC, Type::TYPE_DOUBLE]:
case [Type::TYPE_DOUBLE, Type::TYPE_DOUBLE]:
$newType = Type::TYPE_DOUBLE;
break;
case [Type::TYPE_NUMERIC, Type::TYPE_NUMERIC]:
case [Type::TYPE_NUMERIC, Type::TYPE_LONG]:
case [Type::TYPE_LONG, Type::TYPE_NUMERIC]:
$newType = Type::TYPE_NUMERIC;
break;
default:
if (in_array(Type::TYPE_DOUBLE, $typePair)) {
$newType = Type::TYPE_DOUBLE;
} else {
$newType = Type::TYPE_NUMERIC;
}
}
break;
case JitBinaryOp::DIV:
$newType = Type::TYPE_DOUBLE;
break;
case JitBinaryOp::EQUAL:
case JitBinaryOp::NOT_EQUAL:
case JitBinaryOp::IDENTICAL:
case JitBinaryOp::NOT_IDENTICAL:
case JitBinaryOp::GREATER:
case JitBinaryOp::GREATER_EQUAL:
case JitBinaryOp::SMALLER:
case JitBinaryOp::SMALLER_EQUAL:
$newType = Type::TYPE_BOOLEAN;
break;
case JitBinaryOp::BITWISE_AND:
case JitBinaryOp::BITWISE_OR:
case JitBinaryOp::BITWISE_XOR:
if ($typePair === [Type::TYPE_STRING, Type::TYPE_STRING]) {
$newType = Type::TYPE_STRING;
break;
}
// Fallthrough intentional
// Fallthrough intentional
case JitBinaryOp::SHIFT_LEFT:
case JitBinaryOp::SHIFT_RIGHT:
$newType = Type::TYPE_LONG;
break;
}
if ($newType !== Type::TYPE_UNKNOWN && $newType !== $rType->getType()) {
$result->setType(new Type($newType));
return true;
}
}
return false;
}