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

#ifndef liblldb_BreakpointResolverAddress_h_
#define liblldb_BreakpointResolverAddress_h_

// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Breakpoint/BreakpointResolver.h"
#include "lldb/Core/ModuleSpec.h"

namespace lldb_private {

//----------------------------------------------------------------------
/// @class BreakpointResolverAddress BreakpointResolverAddress.h "lldb/Breakpoint/BreakpointResolverAddress.h"
/// @brief This class sets breakpoints on a given Address.  This breakpoint only takes
/// once, and then it won't attempt to reset itself.
//----------------------------------------------------------------------

class BreakpointResolverAddress:
    public BreakpointResolver
{
public:
    BreakpointResolverAddress (Breakpoint *bkpt,
                       const Address &addr);

    BreakpointResolverAddress (Breakpoint *bkpt,
                       const Address &addr,
                       const FileSpec &module_spec);

    ~BreakpointResolverAddress() override;

    void
    ResolveBreakpoint (SearchFilter &filter) override;

    void
    ResolveBreakpointInModules (SearchFilter &filter,
                                ModuleList &modules) override;

    Searcher::CallbackReturn
    SearchCallback (SearchFilter &filter,
                    SymbolContext &context,
                    Address *addr,
                    bool containing) override;

    Searcher::Depth
    GetDepth () override;

    void
    GetDescription (Stream *s) override;

    void
    Dump (Stream *s) const override;

    /// Methods for support type inquiry through isa, cast, and dyn_cast:
    static inline bool classof(const BreakpointResolverAddress *) { return true; }
    static inline bool classof(const BreakpointResolver *V) {
        return V->getResolverID() == BreakpointResolver::AddressResolver;
    }

    lldb::BreakpointResolverSP
    CopyForBreakpoint (Breakpoint &breakpoint) override;

protected:
    Address      m_addr;     // The address - may be Section Offset or may be just an offset
    lldb::addr_t m_resolved_addr; // The current value of the resolved load address for this breakpoint,
    FileSpec     m_module_filespec; // If this filespec is Valid, and m_addr is an offset, then it will be converted
                                    // to a Section+Offset address in this module, whenever that module gets around to
                                    // being loaded.
private:
    DISALLOW_COPY_AND_ASSIGN(BreakpointResolverAddress);
};

} // namespace lldb_private

#endif // liblldb_BreakpointResolverAddress_h_
