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

#ifndef LLDB_SBThreadPlan_h_
#define LLDB_SBThreadPlan_h_

#include "lldb/API/SBDefines.h"

#include <stdio.h>

namespace lldb {

class LLDB_API SBThreadPlan
{

friend class lldb_private::ThreadPlan;

public:
    SBThreadPlan ();

    SBThreadPlan (const lldb::SBThreadPlan &threadPlan);
    
    SBThreadPlan (const lldb::ThreadPlanSP& lldb_object_sp);

    SBThreadPlan (lldb::SBThread &thread, const char *class_name);

   ~SBThreadPlan ();

    bool
    IsValid() const;

    void
    Clear ();

    lldb::StopReason
    GetStopReason();

    /// Get the number of words associated with the stop reason.
    /// See also GetStopReasonDataAtIndex().
    size_t
    GetStopReasonDataCount();

    //--------------------------------------------------------------------------
    /// Get information associated with a stop reason.
    ///
    /// Breakpoint stop reasons will have data that consists of pairs of 
    /// breakpoint IDs followed by the breakpoint location IDs (they always come
    /// in pairs).
    ///
    /// Stop Reason              Count Data Type
    /// ======================== ===== =========================================
    /// eStopReasonNone          0
    /// eStopReasonTrace         0
    /// eStopReasonBreakpoint    N     duple: {breakpoint id, location id}
    /// eStopReasonWatchpoint    1     watchpoint id
    /// eStopReasonSignal        1     unix signal number
    /// eStopReasonException     N     exception data
    /// eStopReasonExec          0
    /// eStopReasonPlanComplete  0
    //--------------------------------------------------------------------------
    uint64_t
    GetStopReasonDataAtIndex(uint32_t idx);

    SBThread
    GetThread () const;

    const lldb::SBThreadPlan &
    operator = (const lldb::SBThreadPlan &rhs);

    bool
    GetDescription (lldb::SBStream &description) const;

    void
    SetPlanComplete (bool success);

    bool
    IsPlanComplete();

    bool
    IsValid();

    // This section allows an SBThreadPlan to push another of the common types of plans...
    SBThreadPlan
    QueueThreadPlanForStepOverRange (SBAddress &start_address,
                                     lldb::addr_t range_size);

    SBThreadPlan
    QueueThreadPlanForStepInRange (SBAddress &start_address,
                                   lldb::addr_t range_size);

    SBThreadPlan
    QueueThreadPlanForStepOut (uint32_t frame_idx_to_step_to, bool first_insn = false);

    SBThreadPlan
    QueueThreadPlanForRunToAddress (SBAddress address);

#ifndef SWIG
    lldb_private::ThreadPlan *
    get();
#endif

protected:
    friend class SBBreakpoint;
    friend class SBBreakpointLocation;
    friend class SBFrame;
    friend class SBProcess;
    friend class SBDebugger;
    friend class SBValue;
    friend class lldb_private::QueueImpl;
    friend class SBQueueItem;

#ifndef SWIG
    void
    SetThreadPlan (const lldb::ThreadPlanSP& lldb_object_sp);
#endif

private:
    lldb::ThreadPlanSP m_opaque_sp;
};

} // namespace lldb

#endif  // LLDB_SBThreadPlan_h_
