// Copyright (c) .NET Foundation and contributors. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.

using Mono.Cecil;
using Mono.Cecil.Cil;
using Mono.Collections.Generic;

namespace Mono.Linker
{
    /// <summary>
    /// This is a wrapper which should be used by anything accessing method's body - see LinkContext.GetMethodIL for more details.
    /// Any accesses made throught this wrapper are considered "safe"/OK since the wrapper is only created
    /// once all of the optimizations are applied.
    /// </summary>
    public readonly record struct MethodIL
    {
        MethodIL(MethodBody body) => this.Body = body;

        public readonly MethodBody Body;

        public MethodDefinition Method => Body.Method;

#pragma warning disable RS0030 // Wrapper which provides safe access to the property
        public Collection<Instruction> Instructions => Body.Instructions;
        public Collection<ExceptionHandler> ExceptionHandlers => Body.ExceptionHandlers;
        public Collection<VariableDefinition> Variables => Body.Variables;
#pragma warning restore RS0030

        public static MethodIL Create(MethodBody body) => new MethodIL(body);
    }
}