lldb/source/Target/StructuredDataPlugin.cpp

//===-- StructuredDataPlugin.cpp --------------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#include "lldb/Target/StructuredDataPlugin.h"

#include "lldb/Core/Debugger.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Interpreter/CommandObjectMultiword.h"

using namespace lldb;
using namespace lldb_private;

namespace
{
    class CommandStructuredData : public CommandObjectMultiword
    {
    public:
        CommandStructuredData(CommandInterpreter &interpreter) :
            CommandObjectMultiword(interpreter,
                               "structured-data",
                               "Parent for per-plugin structured data commands",
                               "plugin structured-data <plugin>")
        {
        }

        ~CommandStructuredData()
        {
        }
    };
}

StructuredDataPlugin::StructuredDataPlugin(const ProcessWP &process_wp) :
    PluginInterface(),
    m_process_wp(process_wp)
{
}

StructuredDataPlugin::~StructuredDataPlugin()
{
}

bool
StructuredDataPlugin::GetEnabled(const ConstString &type_name) const
{
    // By default, plugins are always enabled.  Plugin authors should override
    // this if there is an enabled/disabled state for their plugin.
    return true;
}

ProcessSP
StructuredDataPlugin::GetProcess() const
{
    return m_process_wp.lock();
}

void
StructuredDataPlugin::InitializeBasePluginForDebugger(Debugger &debugger)
{
    // Create our mutliword command anchor if it doesn't already exist.
    auto &interpreter = debugger.GetCommandInterpreter();
    if (!interpreter.GetCommandObject("plugin structured-data"))
    {
        // Find the parent command.
        auto parent_command =
            debugger.GetCommandInterpreter().GetCommandObject("plugin");
        if (!parent_command)
            return;

        // Create the structured-data ommand object.
        auto command_name = "structured-data";
        auto command_sp =
            CommandObjectSP(new CommandStructuredData(interpreter));

        // Hook it up under the top-level plugin command.
        parent_command->LoadSubCommand(command_name,
                                       command_sp);
    }
}

void
StructuredDataPlugin::ModulesDidLoad(Process &process, ModuleList &module_list)
{
    // Default implementation does nothing.
}