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-//===-- MIDriverMgr.h -------------------------------------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#pragma once
-
-// Third party headers:
-#include "lldb/API/SBDebugger.h"
-#include <map>
-
-// In-house headers:
-#include "MICmnBase.h"
-#include "MICmnLog.h"
-#include "MIUtilSingletonBase.h"
-#include "MIUtilString.h"
-
-//++
-//============================================================================
-// Details: MI Driver Manager. Register lldb::SBBroadcaster derived Driver type
-// objects with *this manager. The manager does not own driver objects
-// registered with it and so will not delete when this manager is
-// shutdown. The Driver flagged as "use this one" will be set as
-// current
-// driver and will be the one that is used. Other drivers are not
-// operated. A Driver can call another Driver should it not handle a
-// command.
-// It also initializes other resources as part it's setup such as the
-// Logger and Resources objects (explicit indicate *this object
-// requires
-// those objects (modules/components) to support it's own
-// functionality).
-// The Driver manager is the first object instantiated as part of the
-// MI code base. It is also the first thing to interpret the command
-// line arguments passed to the executable. Bases on options it
-// understands the manage will set up the appropriate driver or give
-// help information. Other options are passed on to the driver chosen
-// to do work.
-// Each driver instance (the CMIDriver, LLDB::Driver) has its own
-// LLDB::SBDebugger.
-// Singleton class.
-//--
-class CMIDriverMgr : public CMICmnBase, public MI::ISingleton<CMIDriverMgr> {
- friend MI::ISingleton<CMIDriverMgr>;
-
- // Class:
-public:
- //++
- // Description: Driver deriver objects need this interface to work with
- // *this manager.
- //--
- class IDriver {
- public:
- virtual bool DoInitialize() = 0;
- virtual bool DoShutdown() = 0;
- virtual bool DoMainLoop() = 0;
- virtual lldb::SBError DoParseArgs(const int argc, const char *argv[],
- FILE *vpStdOut, bool &vwbExiting) = 0;
- virtual CMIUtilString GetError() const = 0;
- virtual const CMIUtilString &GetName() const = 0;
- virtual lldb::SBDebugger &GetTheDebugger() = 0;
- virtual bool GetDriverIsGDBMICompatibleDriver() const = 0;
- virtual bool SetId(const CMIUtilString &vId) = 0;
- virtual const CMIUtilString &GetId() const = 0;
- virtual void DeliverSignal(int signal) = 0;
-
- // Not part of the interface, ignore
- /* dtor */ virtual ~IDriver() {}
- };
-
- // Methods:
-public:
- // MI system
- bool Initialize() override;
- bool Shutdown() override;
- //
- CMIUtilString GetAppVersion() const;
- bool RegisterDriver(const IDriver &vrADriver,
- const CMIUtilString &vrDriverID);
- bool UnregisterDriver(const IDriver &vrADriver);
- bool SetUseThisDriverToDoWork(
- const IDriver &vrADriver); // Specify working main driver
- IDriver *GetUseThisDriverToDoWork() const;
- bool ParseArgs(const int argc, const char *argv[], bool &vwbExiting);
- IDriver *GetDriver(const CMIUtilString &vrDriverId) const;
- //
- // MI Proxy fn to current specified working driver
- bool DriverMainLoop();
- bool DriverParseArgs(const int argc, const char *argv[], FILE *vpStdOut,
- bool &vwbExiting);
- CMIUtilString DriverGetError() const;
- CMIUtilString DriverGetName() const;
- lldb::SBDebugger *DriverGetTheDebugger();
- void DeliverSignal(int signal);
-
- // Typedef:
-private:
- typedef std::map<CMIUtilString, IDriver *> MapDriverIdToDriver_t;
- typedef std::pair<CMIUtilString, IDriver *> MapPairDriverIdToDriver_t;
-
- // Methods:
-private:
- /* ctor */ CMIDriverMgr();
- /* ctor */ CMIDriverMgr(const CMIDriverMgr &);
- void operator=(const CMIDriverMgr &);
- //
- bool HaveDriverAlready(const IDriver &vrMedium) const;
- bool UnregisterDriverAll();
- IDriver *GetFirstMIDriver() const;
- IDriver *GetFirstNonMIDriver() const;
- CMIUtilString GetHelpOnCmdLineArgOptions() const;
-
- // Overridden:
-private:
- // From CMICmnBase
- /* dtor */ ~CMIDriverMgr() override;
-
- // Attributes:
-private:
- MapDriverIdToDriver_t m_mapDriverIdToDriver;
- IDriver *m_pDriverCurrent; // This driver is used by this manager to do work.
- // It is the main driver.
- bool m_bInMi2Mode; // True = --interpreter entered on the cmd line, false =
- // operate LLDB driver (non GDB)
-};