增强jdb调试功能

static const JdwpHandlerMap gHandlers[] = {
 /*VirtualMachine command set (1) */
 {1,   1, VM_Version,              "VirtualMachine.Version" },
 {1,   2, VM_ClassesBySignature,   "VirtualMachine.ClassesBySignature" },
 {1,   3, VM_AllClasses,           "VirtualMachine.AllClasses" },
 {1,   4, VM_AllThreads,           "VirtualMachine.AllThreads" },
 {1,   5, VM_TopLevelThreadGroups, "VirtualMachine.TopLevelThreadGroups" },
 {1,   6, VM_Dispose,              "VirtualMachine.Dispose" },
 {1,   7, VM_IDSizes,              "VirtualMachine.IDSizes" },
 {1,   8, VM_Suspend,              "VirtualMachine.Suspend" },
 {1,   9, VM_Resume,               "VirtualMachine.Resume" },
 {1,   10, VM_Exit,                 "VirtualMachine.Exit" },
 {1,   11, VM_CreateString,         "VirtualMachine.CreateString" },
 {1,   12, VM_Capabilities,         "VirtualMachine.Capabilities" },
 {1,   13, VM_ClassPaths,           "VirtualMachine.ClassPaths"},
 {1,   14, VM_DisposeObjects,       "VirtualMachine.DisposeObjects" },
 {1,   15, nullptr,                 "VirtualMachine.HoldEvents" },
 {1,   16, nullptr,                 "VirtualMachine.ReleaseEvents" },
 {1,   17, VM_CapabilitiesNew,      "VirtualMachine.CapabilitiesNew" },
 {1,   18, nullptr,                 "VirtualMachine.RedefineClasses" },
 {1,   19, nullptr,                 "VirtualMachine.SetDefaultStratum" },
 {1,   20, VM_AllClassesWithGeneric,"VirtualMachine.AllClassesWithGeneric" },
 {1,   21, VM_InstanceCounts,       "VirtualMachine.InstanceCounts" },
 /*ReferenceType command set (2) */
 {2,   1, RT_Signature,           "ReferenceType.Signature" },
 {2,   2, RT_ClassLoader,         "ReferenceType.ClassLoader" },
 {2,   3, RT_Modifiers,           "ReferenceType.Modifiers" },
 {2,   4, RT_Fields,              "ReferenceType.Fields" },
 {2,   5, RT_Methods,             "ReferenceType.Methods" },
 {2,   6, RT_GetValues,           "ReferenceType.GetValues" },
 {2,   7, RT_SourceFile,          "ReferenceType.SourceFile" },
 {2,   8, nullptr,                "ReferenceType.NestedTypes" },
 {2,   9, RT_Status,              "ReferenceType.Status" },
 {2,   10, RT_Interfaces,          "ReferenceType.Interfaces"},
 {2,   11, RT_ClassObject,         "ReferenceType.ClassObject"},
 {2,   12, RT_SourceDebugExtension,"ReferenceType.SourceDebugExtension" },
 {2,   13, RT_SignatureWithGeneric,"ReferenceType.SignatureWithGeneric" },
 {2,   14, RT_FieldsWithGeneric,   "ReferenceType.FieldsWithGeneric"},
 {2,   15, RT_MethodsWithGeneric,  "ReferenceType.MethodsWithGeneric"},
 {2,   16, RT_Instances,           "ReferenceType.Instances"},
 {2,   17, nullptr,                "ReferenceType.ClassFileVersion" },
 {2,   18, nullptr,                "ReferenceType.ConstantPool" },
 /*ClassType command set (3) */
 {3,   1, CT_Superclass,   "ClassType.Superclass" },
 {3,   2, CT_SetValues,    "ClassType.SetValues" },
 {3,   3, CT_InvokeMethod, "ClassType.InvokeMethod" },
 {3,   4, CT_NewInstance,  "ClassType.NewInstance" },
 /*ArrayType command set (4) */
 {4,   1, AT_newInstance,  "ArrayType.NewInstance"},
 /*InterfaceType command set (5) */
 /*Method command set (6) */
 {6,   1, M_LineTable,               "Method.LineTable" },
 {6,   2, M_VariableTable,           "Method.VariableTable" },
 {6,   3, M_Bytecodes,               "Method.Bytecodes" },
 {6,   4, M_IsObsolete,              "Method.IsObsolete" },
 {6,   5, M_VariableTableWithGeneric, "Method.VariableTableWithGeneric"},
 /*Field command set (8) */
 /*ObjectReference command set (9) */
 {9,   1, OR_ReferenceType,    "ObjectReference.ReferenceType" },
 {9,   2, OR_GetValues,        "ObjectReference.GetValues" },
 {9,   3, OR_SetValues,        "ObjectReference.SetValues" },
 {9,   4, nullptr,             "ObjectReference.UNUSED" },
 {9,   5, OR_MonitorInfo,      "ObjectReference.MonitorInfo" },
 {9,   6, OR_InvokeMethod,     "ObjectReference.InvokeMethod" },
 {9,   7, OR_DisableCollection, "ObjectReference.DisableCollection" },
 {9,   8, OR_EnableCollection, "ObjectReference.EnableCollection" },
 {9,   9, OR_IsCollected,      "ObjectReference.IsCollected" },
 {9,   10, OR_ReferringObjects, "ObjectReference.ReferringObjects"},
 /*StringReference command set (10) */
 {10,  1, SR_Value,        "StringReference.Value" },
 /*ThreadReference command set (11) */
 {11,  1, TR_Name,                       "ThreadReference.Name" },
 {11,  2, TR_Suspend,                    "ThreadReference.Suspend" },
 {11,  3, TR_Resume,                     "ThreadReference.Resume"},
 {11,  4, TR_Status,                     "ThreadReference.Status" },
 {11,  5, TR_ThreadGroup,                "ThreadReference.ThreadGroup" },
 {11,  6, TR_Frames,                     "ThreadReference.Frames" },
 {11,  7, TR_FrameCount,                 "ThreadReference.FrameCount" },
 {11,  8, TR_OwnedMonitors,              "ThreadReference.OwnedMonitors" },
 {11,  9, TR_CurrentContendedMonitor,    "ThreadReference.CurrentContendedMonitor" },
 {11,  10, nullptr,                       "ThreadReference.Stop" },
 {11,  11, TR_Interrupt,                  "ThreadReference.Interrupt" },
 {11,  12, TR_DebugSuspendCount,          "ThreadReference.SuspendCount" },
 {11,  13, TR_OwnedMonitorsStackDepthInfo,"ThreadReference.OwnedMonitorsStackDepthInfo" },
 {11,  14, nullptr,                       "ThreadReference.ForceEarlyReturn" },
 /*ThreadGroupReference command set (12) */
 {12,  1, TGR_Name,        "ThreadGroupReference.Name" },
 {12,  2, TGR_Parent,      "ThreadGroupReference.Parent" },
 {12,  3, TGR_Children,    "ThreadGroupReference.Children" },
 /*ArrayReference command set (13) */
 {13,  1, AR_Length,       "ArrayReference.Length" },
 {13,  2, AR_GetValues,    "ArrayReference.GetValues" },
 {13,  3, AR_SetValues,    "ArrayReference.SetValues" },
 /*ClassLoaderReference command set (14) */
 {14,  1, CLR_VisibleClasses, "ClassLoaderReference.VisibleClasses" },
 /*EventRequest command set (15) */
 {15,  1, ER_Set,          "EventRequest.Set" },
 {15,  2, ER_Clear,        "EventRequest.Clear" },
 {15,  3, nullptr,         "EventRequest.ClearAllBreakpoints" },
 /*StackFrame command set (16) */
 {16,  1, SF_GetValues,    "StackFrame.GetValues" },
 {16,  2, SF_SetValues,    "StackFrame.SetValues" },
 {16,  3, SF_ThisObject,   "StackFrame.ThisObject" },
 {16,  4, nullptr,         "StackFrame.PopFrames" },
 /*ClassObjectReference command set (17) */
 {17,  1, COR_ReflectedType, "ClassObjectReference.ReflectedType" },
 /*Event command set (64) */
 {64, 100, nullptr,"Event.Composite" }, // sentfrom VM to debugger, never received by VM
 {199, 1, DDM_Chunk,       "DDM.Chunk" },
};