//===-- ValueObjectConstResult.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_ValueObjectConstResult_h_
#define liblldb_ValueObjectConstResult_h_

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

#include "lldb/Core/ValueObjectConstResultImpl.h"

namespace lldb_private {

//----------------------------------------------------------------------
// A frozen ValueObject copied into host memory
//----------------------------------------------------------------------
class ValueObjectConstResult : public ValueObject
{
public:
    ~ValueObjectConstResult() override;

    static lldb::ValueObjectSP
    Create (ExecutionContextScope *exe_scope,
            lldb::ByteOrder byte_order, 
            uint32_t addr_byte_size,
            lldb::addr_t address = LLDB_INVALID_ADDRESS);

    static lldb::ValueObjectSP
    Create (ExecutionContextScope *exe_scope,
            const CompilerType &compiler_type,
            const ConstString &name,
            const DataExtractor &data,
            lldb::addr_t address = LLDB_INVALID_ADDRESS);

    static lldb::ValueObjectSP
    Create (ExecutionContextScope *exe_scope,
            const CompilerType &compiler_type,
            const ConstString &name,
            const lldb::DataBufferSP &result_data_sp,
            lldb::ByteOrder byte_order, 
            uint32_t addr_size,
            lldb::addr_t address = LLDB_INVALID_ADDRESS);

    static lldb::ValueObjectSP
    Create (ExecutionContextScope *exe_scope,
            const CompilerType &compiler_type,
            const ConstString &name,
            lldb::addr_t address,
            AddressType address_type,
            uint32_t addr_byte_size);

    static lldb::ValueObjectSP
    Create (ExecutionContextScope *exe_scope,
            Value &value,
            const ConstString &name,
            Module* module = nullptr);

    // When an expression fails to evaluate, we return an error
    static lldb::ValueObjectSP
    Create (ExecutionContextScope *exe_scope,
            const Error& error);

    uint64_t
    GetByteSize() override;

    lldb::ValueType
    GetValueType() const override;

    size_t
    CalculateNumChildren(uint32_t max) override;

    ConstString
    GetTypeName() override;

    ConstString
    GetDisplayTypeName() override;
    
    bool
    IsInScope() override;

    void
    SetByteSize (size_t size);
    
    lldb::ValueObjectSP
    Dereference(Error &error) override;
    
    ValueObject *
    CreateChildAtIndex(size_t idx, bool synthetic_array_member, int32_t synthetic_index) override;
    
    lldb::ValueObjectSP
    GetSyntheticChildAtOffset(uint32_t offset, const CompilerType& type, bool can_create) override;
    
    lldb::ValueObjectSP
    AddressOf(Error &error) override;
    
    lldb::addr_t
    GetAddressOf(bool scalar_is_load_address = true,
                 AddressType *address_type = nullptr) override;
    
    size_t
    GetPointeeData(DataExtractor& data,
                   uint32_t item_idx = 0,
                   uint32_t item_count = 1) override;
    
    lldb::addr_t
    GetLiveAddress() override
    {
        return m_impl.GetLiveAddress();
    }
    
    void
    SetLiveAddress(lldb::addr_t addr = LLDB_INVALID_ADDRESS,
                   AddressType address_type = eAddressTypeLoad) override
    {
        m_impl.SetLiveAddress(addr, address_type);
    }
    
    lldb::ValueObjectSP
    GetDynamicValue(lldb::DynamicValueType valueType) override;
    
    lldb::LanguageType
    GetPreferredDisplayLanguage() override;

    lldb::ValueObjectSP
    Cast(const CompilerType &compiler_type) override;

protected:
    bool
    UpdateValue() override;
    
    CompilerType
    GetCompilerTypeImpl() override;

    ConstString m_type_name;
    uint64_t m_byte_size;
    
    ValueObjectConstResultImpl m_impl;

private:
    friend class ValueObjectConstResultImpl;

    ValueObjectConstResult (ExecutionContextScope *exe_scope,
                            lldb::ByteOrder byte_order, 
                            uint32_t addr_byte_size,
                            lldb::addr_t address);

    ValueObjectConstResult (ExecutionContextScope *exe_scope,
                            const CompilerType &compiler_type,
                            const ConstString &name,
                            const DataExtractor &data,
                            lldb::addr_t address);

    ValueObjectConstResult (ExecutionContextScope *exe_scope,
                            const CompilerType &compiler_type,
                            const ConstString &name,
                            const lldb::DataBufferSP &result_data_sp,
                            lldb::ByteOrder byte_order, 
                            uint32_t addr_size,
                            lldb::addr_t address);

    ValueObjectConstResult (ExecutionContextScope *exe_scope,
                            const CompilerType &compiler_type,
                            const ConstString &name,
                            lldb::addr_t address,
                            AddressType address_type,
                            uint32_t addr_byte_size);

    ValueObjectConstResult (ExecutionContextScope *exe_scope,
                            const Value &value,
                            const ConstString &name,
                            Module* module = nullptr);

    ValueObjectConstResult (ExecutionContextScope *exe_scope,
                            const Error& error);

    DISALLOW_COPY_AND_ASSIGN (ValueObjectConstResult);
};

} // namespace lldb_private

#endif // liblldb_ValueObjectConstResult_h_
