/*----------------------------------------------------------

This Source Code Form is subject to the terms of the

Mozilla Public License, v.2.0. If a copy of the MPL

was not distributed with this file, You can obtain one

at http://mozilla.org/MPL/2.0/.

----------------------------------------------------------*/

using System;

using System.Collections.Generic;

using System.Linq;

using OneScript.Contexts;

using OneScript.DependencyInjection;

using OneScript.Execution;

using OneScript.Values;

using ScriptEngine.Machine;

namespace ScriptEngine

{

internal class BslProcess : IBslProcess

{

private readonly IExecutorProvider[] _executorProviders;

private readonly IDictionary<Type, Invoker> _bslExecutorsByModule;

private bool _isRunning;

public BslProcess(int id, ExecutionContext context, IEnumerable<IExecutorProvider> executorProviders)

{

_executorProviders = executorProviders.ToArray();

_bslExecutorsByModule =

_executorProviders.ToDictionary(item => item.SupportedModuleType, item => item.GetInvokeDelegate());

VirtualThreadId = id;

Services = context.Services.CreateScope();

}

public IServiceContainer Services { get; }

public int VirtualThreadId { get; }

public BslValue Run(BslObjectValue target, IExecutableModule module, BslScriptMethodInfo method, IValue[] arguments)

{

var notifyExecutors = !_isRunning;

if (notifyExecutors)

{

Array.ForEach(_executorProviders, e => e.BeforeProcessStart(this));

}

_isRunning = true;

try

{

return _bslExecutorsByModule[module.GetType()](this, target, module, method, arguments);

}

finally

{

if (notifyExecutors)

{

Array.ForEach(_executorProviders, e => e.AfterProcessExit(this));

_isRunning = false;

}

}

}

}

}