execution_context.h

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#pragma once
 
#include <cstddef>
 
#include "contur/core/types.h"
 
#include "contur/arch/interrupt.h"
 
namespace contur {

    enum class StopReason : std::uint8_t
    {
        BudgetExhausted, 
        ProcessExited,   
        Error,           
        Interrupted,     
        Halted,          
    };

    struct ExecutionResult
    {
        StopReason reason = StopReason::Error; 
        Interrupt interrupt = Interrupt::Ok;   
        std::size_t ticksConsumed = 0;         
        ProcessId pid = INVALID_PID;           

        [[nodiscard]] static constexpr ExecutionResult budgetExhausted(ProcessId pid, std::size_t ticks) noexcept
        {
            return ExecutionResult{StopReason::BudgetExhausted, Interrupt::Ok, ticks, pid};
        }

        [[nodiscard]] static constexpr ExecutionResult exited(ProcessId pid, std::size_t ticks) noexcept
        {
            return ExecutionResult{StopReason::ProcessExited, Interrupt::Exit, ticks, pid};
        }

        [[nodiscard]] static constexpr ExecutionResult error(ProcessId pid, std::size_t ticks, Interrupt intr) noexcept
        {
            return ExecutionResult{StopReason::Error, intr, ticks, pid};
        }

        [[nodiscard]] static constexpr ExecutionResult
        interrupted(ProcessId pid, std::size_t ticks, Interrupt intr) noexcept
        {
            return ExecutionResult{StopReason::Interrupted, intr, ticks, pid};
        }

        [[nodiscard]] static constexpr ExecutionResult halted(ProcessId pid, std::size_t ticks) noexcept
        {
            return ExecutionResult{StopReason::Halted, Interrupt::Exit, ticks, pid};
        }
    };
 
} // namespace contur