//===-- ItaniumABILanguageRuntime.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_ItaniumABILanguageRuntime_h_
#define liblldb_ItaniumABILanguageRuntime_h_

// C Includes
// C++ Includes
#include <map>
#include <mutex>
#include <vector>

// Other libraries and framework includes
// Project includes
#include "lldb/lldb-private.h"
#include "lldb/Breakpoint/BreakpointResolver.h"
#include "lldb/Symbol/Type.h"
#include "lldb/Target/LanguageRuntime.h"
#include "lldb/Target/CPPLanguageRuntime.h"
#include "lldb/Core/Value.h"

namespace lldb_private {
    
    class ItaniumABILanguageRuntime :
    public lldb_private::CPPLanguageRuntime
    {
    public:
        ~ItaniumABILanguageRuntime() override = default;
        
        //------------------------------------------------------------------
        // Static Functions
        //------------------------------------------------------------------
        static void
        Initialize();
        
        static void
        Terminate();
        
        static lldb_private::LanguageRuntime *
        CreateInstance (Process *process, lldb::LanguageType language);
        
        static lldb_private::ConstString
        GetPluginNameStatic();

        bool
        IsVTableName(const char *name) override;
        
        bool
        GetDynamicTypeAndAddress(ValueObject &in_value,
                                 lldb::DynamicValueType use_dynamic,
                                 TypeAndOrName &class_type_or_name,
                                 Address &address,
                                 Value::ValueType &value_type) override;
        
        TypeAndOrName
        FixUpDynamicType(const TypeAndOrName& type_and_or_name,
                         ValueObject& static_value) override;
        
        bool
        CouldHaveDynamicValue(ValueObject &in_value) override;
        
        void
        SetExceptionBreakpoints() override;
        
        void
        ClearExceptionBreakpoints() override;
        
        bool
        ExceptionBreakpointsAreSet() override;
        
        bool
        ExceptionBreakpointsExplainStop(lldb::StopInfoSP stop_reason) override;

        lldb::BreakpointResolverSP
        CreateExceptionResolver(Breakpoint *bkpt, bool catch_bp, bool throw_bp) override;
        
        lldb::SearchFilterSP
        CreateExceptionSearchFilter() override;

        //------------------------------------------------------------------
        // PluginInterface protocol
        //------------------------------------------------------------------
        lldb_private::ConstString
        GetPluginName() override;
        
        uint32_t
        GetPluginVersion() override;

    protected:
        lldb::BreakpointResolverSP
        CreateExceptionResolver (Breakpoint *bkpt, bool catch_bp, bool throw_bp, bool for_expressions);

        lldb::BreakpointSP
        CreateExceptionBreakpoint(bool catch_bp,
                                  bool throw_bp,
                                  bool for_expressions,
                                  bool is_internal);
        
    private:
        typedef std::map<lldb_private::Address, TypeAndOrName> DynamicTypeCache;

        ItaniumABILanguageRuntime(Process *process)
            : // Call CreateInstance instead.
              lldb_private::CPPLanguageRuntime(process),
              m_cxx_exception_bp_sp(),
              m_dynamic_type_map(),
              m_dynamic_type_map_mutex()
        {
        }

        lldb::BreakpointSP m_cxx_exception_bp_sp;
        DynamicTypeCache m_dynamic_type_map;
        std::mutex m_dynamic_type_map_mutex;

        TypeAndOrName
        GetTypeInfoFromVTableAddress(ValueObject &in_value, lldb::addr_t original_ptr, lldb::addr_t vtable_addr);

        TypeAndOrName
        GetDynamicTypeInfo(const lldb_private::Address &vtable_addr);

        void
        SetDynamicTypeInfo(const lldb_private::Address &vtable_addr, const TypeAndOrName &type_info);
    };
    
} // namespace lldb_private

#endif // liblldb_ItaniumABILanguageRuntime_h_
