Function interpret3

src/interpret.cpp:766–2988

}

object interpret3(Thread* t, const int base)
{
  unsigned instruction = nop;
  unsigned& ip = t->ip;
  unsigned& sp = t->sp;
  int& frame = t->frame;
  GcCode*& code = t->code;
  GcMethod* method = 0;
  PROTECT(t, method);
  GcThrowable*& exception = t->exception;
  uintptr_t* stack = t->stack;

  code = frameMethod(t, frame)->code();

  if (UNLIKELY(exception)) {
    goto throw_;
  }

loop:
  instruction = code->body()[ip++];

  if (DebugRun) {
    fprintf(stderr,
            "ip: %d; instruction: 0x%x in %s.%s ",
            ip - 1,
            instruction,
            frameMethod(t, frame)->class_()->name()->body().begin(),
            frameMethod(t, frame)->name()->body().begin());

    int line = findLineNumber(t, frameMethod(t, frame), ip);
    switch (line) {
    case NativeLine:
      fprintf(stderr, "(native)\n");
      break;
    case UnknownLine:
      fprintf(stderr, "(unknown line)\n");
      break;
    default:
      fprintf(stderr, "(line %d)\n", line);
    }
  }

  switch (instruction) {
  case aaload: {
    int32_t index = popInt(t);
    object array = popObject(t);

    if (LIKELY(array)) {
      if (LIKELY(index >= 0
                 and static_cast<uintptr_t>(index)
                     < objectArrayLength(t, array))) {
        pushObject(t, objectArrayBody(t, array, index));
      } else {
        exception = makeThrowable(t,
                                  GcArrayIndexOutOfBoundsException::Type,
                                  "%d not in [0,%d)",
                                  index,
                                  objectArrayLength(t, array));