RTDebuggerInput.h

/*
 * Licensed Materials - Property of HCL and/or IBM
 * Copyright HCL Technologies Ltd. 2016, 2021. All Rights Reserved.
 * Copyright IBM Corporation 1999, 2016. All Rights Reserved.
 *
 * U.S. Government Users Restricted Rights -  Use, duplication or 
 * disclosure restricted by GSA ADP Schedule.
 */
 
#ifndef __RTDebuggerInput_h__
#define __RTDebuggerInput_h__ included
 
#ifdef PRAGMA
#pragma interface
#endif
 
#ifndef __RTConfig_h__
#include <RTConfig.h>
#endif
 
class RTDebuggerInput
{
public:
    struct CmdDesc
    {
    int          cmd;
    int          minAbbr;
    const char * name;
    };
 
            RTDebuggerInput( void );
            ~RTDebuggerInput( void );
 
    void            setPrompt( const char * );
    void            pushInput( const char * );
    int             getNumber( void );
    void            getEol( void );
    int             getString( char * buf, int buf_size );
    int             getCommand( const CmdDesc *, int none, int invalid );
 
private:
    enum          { UngetMax = 1 };
 
    int             need_prompt;
    const char    * prompt;
    int             unget_size;
    char            unget_buffer[ UngetMax ];
    const char    * input;
 
    int             getChar( void );
    void            ungetChar( char );
    int             nextChar( void );
    static RTS_INLINE
    int             isEol( int );
 
    // unavailable methods
    RTDebuggerInput( const RTDebuggerInput & );
    RTDebuggerInput & operator=( const RTDebuggerInput & );
};
 
#if RTS_INLINES
#include <RTDebuggerInput.inl>
#endif
 
#endif // __RTDebuggerInput_h__