import ida_funcs
import idaapi
import idautils
import idc


def get_member_xrefs(sid):
    for (offset, name, size) in idautils.StructMembers(sid):
        mid = idc.GetMemberId(sid, offset)
        if mid != -1:
            for xref in idautils.XrefsTo(mid):
                yield (idc.get_member_name(sid, offset), xref.frm)


def get_block_and_instruction(ea):
    func = ida_funcs.get_func(ea)

    for (idxBlock, block) in enumerate(idaapi.FlowChart(func)):
        if block.startEA <= ea < block.endEA:
            for (idxHead, head) in enumerate(idautils.Heads(block.startEA, block.endEA)):
                if head == ea:
                    return idxBlock, idxHead


default_ida_types = ["GUID", "CPPEH_RECORD", "_EH3_EXCEPTION_REGISTRATION", "FuncInfo", "UnwindMapEntry",
                     "TryBlockMapEntry", "HandlerType", "TypeDescriptor", "_SCOPETABLE_ENTRY", "_EH4_SCOPETABLE",
                     "_EH4_SCOPETABLE_RECORD", "_LARGE_INTEGER::$837407842DC9087486FDFA5FEB63B74E",
                     "_TIME_ZONE_INFORMATION", "SYSTEMTIME", "_WIN32_FIND_DATAA", "FILETIME", "tagPOINT",
                     "_RTL_CRITICAL_SECTION", "_SYSTEMTIME", "_STARTUPINFOA", "_PROCESS_INFORMATION", "tagMSG", "POINT",
                     "WSAData", "WNDCLASSA", "tagRECT", "tagLOGFONTA", "_OFSTRUCT", "_SYSTEM_INFO",
                     "_SYSTEM_INFO::$A707B71C060B6D10F73A71917EA8473F::$AA04DEB0C6383F89F13D312A174572A9",
                     "tagTRACKMOUSEEVENT", "tagWINDOWINFO", "RECT", "_FILETIME", "_OSVERSIONINFOA",
                     "tagCOMPOSITIONFORM", "HINSTANCE__", "_EXCEPTION_POINTERS", "_STARTUPINFOW",
                     "_MEMORY_BASIC_INFORMATION", "_cpinfo", "localeinfo_struct", "tm", "_INPUT_RECORD",
                     "KEY_EVENT_RECORD", "MOUSE_EVENT_RECORD", "COORD", "WINDOW_BUFFER_SIZE_RECORD",
                     "MENU_EVENT_RECORD", "FOCUS_EVENT_RECORD", "_MEMORYSTATUS", "sockaddr", "_OSVERSIONINFOW",
                     "fd_set", "timeval", "FILE", "RTTICompleteObjectLocator", ]

for (idx, sid, struct_name) in idautils.Structs():
    if struct_name in default_ida_types:
        continue

    for (member_name, xref_ea) in get_member_xrefs(sid):
        func_name = ida_funcs.get_func_name(xref_ea)
        (iBlock, iInstruction) = get_block_and_instruction(xref_ea)
        print "%s.%s -> 0x%X (instruction %d of block %d of %s)" % (struct_name, member_name, xref_ea, iInstruction,
                                                                    iBlock, func_name)