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C++ Method::is_method方法代码示例

本文整理汇总了C++中Method::is_method方法的典型用法代码示例。如果您正苦于以下问题:C++ Method::is_method方法的具体用法?C++ Method::is_method怎么用?C++ Method::is_method使用的例子?那么, 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Method的用法示例。


在下文中一共展示了Method::is_method方法的2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: method_if_resolved

Method* ConstantPoolCacheEntry::method_if_resolved(constantPoolHandle cpool) {
  // Decode the action of set_method and set_interface_call
  Bytecodes::Code invoke_code = bytecode_1();
  if (invoke_code != (Bytecodes::Code)0) {
    Metadata* f1 = f1_ord();
    if (f1 != NULL) {
      switch (invoke_code) {
      case Bytecodes::_invokeinterface:
        assert(f1->is_klass(), "");
        return klassItable::method_for_itable_index((Klass*)f1, f2_as_index());
      case Bytecodes::_invokestatic:
      case Bytecodes::_invokespecial:
        assert(!has_appendix(), "");
      case Bytecodes::_invokehandle:
      case Bytecodes::_invokedynamic:
        assert(f1->is_method(), "");
        return (Method*)f1;
      }
    }
  }
  invoke_code = bytecode_2();
  if (invoke_code != (Bytecodes::Code)0) {
    switch (invoke_code) {
    case Bytecodes::_invokevirtual:
      if (is_vfinal()) {
        // invokevirtual
        Method* m = f2_as_vfinal_method();
        assert(m->is_method(), "");
        return m;
      } else {
        int holder_index = cpool->uncached_klass_ref_index_at(constant_pool_index());
        if (cpool->tag_at(holder_index).is_klass()) {
          Klass* klass = cpool->resolved_klass_at(holder_index);
          if (!klass->oop_is_instance())
            klass = SystemDictionary::Object_klass();
          return InstanceKlass::cast(klass)->method_at_vtable(f2_as_index());
        }
      }
      break;
    }
  }
  return NULL;
}
开发者ID:mur47x111,项目名称:JDK8-concurrent-tagging,代码行数:43,代码来源:cpCache.cpp

示例2: fill_from_compiled_frame

inline void vframeStreamCommon::fill_from_compiled_frame(int decode_offset) {
  _mode = compiled_mode;

  // Range check to detect ridiculous offsets.
  if (decode_offset == DebugInformationRecorder::serialized_null ||
      decode_offset < 0 ||
      decode_offset >= nm()->scopes_data_size()) {
    // 6379830 AsyncGetCallTrace sometimes feeds us wild frames.
    // If we attempt to read nmethod::scopes_data at serialized_null (== 0),
    // or if we read some at other crazy offset,
    // we will decode garbage and make wild references into the heap,
    // leading to crashes in product mode.
    // (This isn't airtight, of course, since there are internal
    // offsets which are also crazy.)
#ifdef ASSERT
    if (WizardMode) {
      tty->print_cr("Error in fill_from_frame: pc_desc for "
                    INTPTR_FORMAT " not found or invalid at %d",
                    p2i(_frame.pc()), decode_offset);
      nm()->print();
      nm()->method()->print_codes();
      nm()->print_code();
      nm()->print_pcs();
    }
#endif
    // Provide a cheap fallback in product mode.  (See comment above.)
    found_bad_method_frame();
    fill_from_compiled_native_frame();
    return;
  }

  // Decode first part of scopeDesc
  DebugInfoReadStream buffer(nm(), decode_offset);
  _sender_decode_offset = buffer.read_int();
  _method               = buffer.read_method();
  _bci                  = buffer.read_bci();

  assert(_method->is_method(), "checking type of decoded method");
}
开发者ID:MyProgrammingStyle,项目名称:hotspot,代码行数:39,代码来源:vframe.hpp


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