llvm-project/lldb/tools/lldb-mi/MICmdFactory.h

100 lines
2.7 KiB
C++

//===-- MICmdFactory.h ------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//++
// File: MICmdFactory.h
//
// Overview: CMICmdFactory interface.
//
// Environment: Compilers: Visual C++ 12.
// gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1
// Libraries: See MIReadmetxt.
//
// Copyright: None.
//--
#pragma once
// Third party headers
#include <map>
// In-house headers:
#include "MICmnBase.h"
#include "MIUtilSingletonBase.h"
// Declarations:
class CMICmdBase;
struct SMICmdData;
//++ ============================================================================
// Details: MI Command Factory. Holds a list of registered MI commands that
// MI application understands to interpret. Creates commands objects.
// The Command Factory is carried out in the main thread.
// A singleton class.
// Gotchas: None.
// Authors: Illya Rudkin 19/02/2014.
// Changes: None.
//--
class CMICmdFactory
: public CMICmnBase
, public MI::ISingleton< CMICmdFactory >
{
friend class MI::ISingleton< CMICmdFactory >;
// Typedefs:
public:
typedef CMICmdBase * (*CmdCreatorFnPtr)( void );
// Class:
public:
//++
// Description: Command's factory's interface for commands to implement.
//--
class ICmd
{
public:
virtual const CMIUtilString & GetMiCmd( void ) const = 0;
virtual CmdCreatorFnPtr GetCmdCreatorFn( void ) const = 0;
//virtual CMICmdBase * CreateSelf( void ) = 0; // Not possible as require a static creator function in the commmand class, here for awareness
/* dtor */ virtual ~ICmd( void ) {};
};
// Methods:
public:
bool Initialize( void );
bool Shutdown( void );
bool CmdRegister( const CMIUtilString & vMiCmd, CmdCreatorFnPtr vCmdCreateFn );
bool CmdCreate( const CMIUtilString & vMiCmd, const SMICmdData & vCmdData, CMICmdBase *& vpNewCmd );
bool CmdExist( const CMIUtilString & vMiCmd ) const;
// Methods:
private:
/* ctor */ CMICmdFactory( void );
/* ctor */ CMICmdFactory( const CMICmdFactory & );
void operator=( const CMICmdFactory & );
bool HaveAlready( const CMIUtilString & vMiCmd ) const;
bool IsValid( const CMIUtilString & vMiCmd ) const;
// Overridden:
private:
// From CMICmnBase
/* dtor */ virtual ~CMICmdFactory( void );
// Typedefs:
private:
typedef std::map< CMIUtilString, CmdCreatorFnPtr > MapMiCmdToCmdCreatorFn_t;
typedef std::pair< CMIUtilString, CmdCreatorFnPtr > MapPairMiCmdToCmdCreatorFn_t;
// Attributes:
private:
MapMiCmdToCmdCreatorFn_t m_mapMiCmdToCmdCreatorFn;
};