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C++ VMExecutionContext::opFPushClsMethodD方法代码示例

本文整理汇总了C++中VMExecutionContext::opFPushClsMethodD方法的典型用法代码示例。如果您正苦于以下问题:C++ VMExecutionContext::opFPushClsMethodD方法的具体用法?C++ VMExecutionContext::opFPushClsMethodD怎么用?C++ VMExecutionContext::opFPushClsMethodD使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在VMExecutionContext的用法示例。


在下文中一共展示了VMExecutionContext::opFPushClsMethodD方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: TRACE

const Func*
StaticMethodCache::lookup(RDS::Handle handle, const NamedEntity *ne,
                          const StringData* clsName,
                          const StringData* methName) {
  StaticMethodCache* thiz = static_cast<StaticMethodCache*>
    (handleToPtr(handle));
  Stats::inc(Stats::TgtCache_StaticMethodMiss);
  Stats::inc(Stats::TgtCache_StaticMethodHit, -1);
  TRACE(1, "miss %s :: %s caller %p\n",
        clsName->data(), methName->data(), __builtin_return_address(0));
  Transl::VMRegAnchor _; // needed for lookupClsMethod.

  ActRec* ar = reinterpret_cast<ActRec*>(vmsp() - kNumActRecCells);
  const Func* f;
  VMExecutionContext* ec = g_vmContext;
  const Class* cls = Unit::loadClass(ne, clsName);
  if (UNLIKELY(!cls)) {
    raise_error(Strings::UNKNOWN_CLASS, clsName->data());
  }
  LookupResult res = ec->lookupClsMethod(f, cls, methName,
                                         nullptr, // there may be an active this,
                                               // but we can just fall through
                                               // in that case.
                                         arGetContextClass(ec->getFP()),
                                         false /*raise*/);
  if (LIKELY(res == LookupResult::MethodFoundNoThis &&
             !f->isAbstract() &&
             f->isStatic())) {
    f->validate();
    TRACE(1, "fill %s :: %s -> %p\n", clsName->data(),
          methName->data(), f);
    // Do the | here instead of on every call.
    thiz->m_cls = (Class*)(uintptr_t(cls) | 1);
    thiz->m_func = f;
    ar->setClass(const_cast<Class*>(cls));
    return f;
  }
  assert(res != LookupResult::MethodFoundWithThis); // Not possible: no this.
  // We've already sync'ed regs; this is some hard case, we might as well
  // just let the interpreter handle this entirely.
  assert(toOp(*vmpc()) == OpFPushClsMethodD);
  Stats::inc(Stats::Instr_InterpOneFPushClsMethodD);
  Stats::inc(Stats::Instr_TC, -1);
  ec->opFPushClsMethodD();
  // Return whatever func the instruction produced; if nothing was
  // possible we'll either have fataled or thrown.
  assert(ar->m_func);
  ar->m_func->validate();
  // Don't update the cache; this case was too scary to memoize.
  TRACE(1, "unfillable miss %s :: %s -> %p\n", clsName->data(),
        methName->data(), ar->m_func);
  // Indicate to the caller that there is no work to do.
  return nullptr;
}
开发者ID:aakrit,项目名称:hiphop-php,代码行数:54,代码来源:target-cache.cpp


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