// vim: ts=4 sw=4 expandtab ft=c

// Copyright (C) 1998-2001, 2006 The University of Melbourne.
// Copyright (C) 2014, 2016, 2018 The Mercury team.
// This file is distributed under the terms specified in COPYING.LIB.

#ifndef MERCURY_TRACE_EXTERNAL_H
#define MERCURY_TRACE_EXTERNAL_H

#include "mercury_trace.h"          // for MR_TraceCmdInfo, etc.
#include "mercury_conf.h"           // for MR_USE_EXTERNAL_DEBUGGER
#include "mercury_types.h"          // for MR_Code
#include "mercury_library_types.h"  // for MercuryFile

#ifdef  MR_USE_EXTERNAL_DEBUGGER

extern  void    MR_trace_init_external(void);
extern  void    MR_trace_final_external(void);
extern  MR_Code *MR_trace_event_external(MR_TraceCmdInfo *cmd,
                    MR_EventInfo *event_info);
extern  void    MR_COLLECT_filter(MR_FilterFuncPtr filter_ptr,
                    MR_Unsigned seqno, MR_Unsigned depth, MR_TracePort port,
                    const MR_LabelLayout *layout,
                    const char *path, int lineno, MR_bool *stop_collecting);
extern  int     MR_get_line_number(MR_Word *saved_regs,
                    const MR_LabelLayout *layout, MR_TracePort port);

// External debugger socket streams.

extern  MercuryFile MR_debugger_socket_in;
extern  MercuryFile MR_debugger_socket_out;

#endif  // MR_USE_EXTERNAL_DEBUGGER

#endif  // MERCURY_TRACE_EXTERNAL_H