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using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Reflection.Emit;
using HarmonyLib;
namespace StardewModdingAPI.Framework.RewriteFacades
{
/// <summary>Maps Harmony 1.x methods to Harmony 2.x to avoid breaking older mods.</summary>
/// <remarks>This is public to support SMAPI rewriting and should not be referenced directly by mods.</remarks>
public class HarmonyInstanceMethods : Harmony
{
/*********
** Public methods
*********/
/// <summary>Construct an instance.</summary>
/// <param name="id">The unique patch identifier.</param>
public HarmonyInstanceMethods(string id)
: base(id) { }
/// <summary>Creates a new Harmony instance.</summary>
/// <param name="id">A unique identifier for the instance.</param>
public static Harmony Create(string id)
{
return new Harmony(id);
}
/// <summary>Apply one or more patches to a method.</summary>
/// <param name="original">The original method.</param>
/// <param name="prefix">The prefix to apply.</param>
/// <param name="postfix">The postfix to apply.</param>
/// <param name="transpiler">The transpiler to apply.</param>
public DynamicMethod Patch(MethodBase original, HarmonyMethod prefix = null, HarmonyMethod postfix = null, HarmonyMethod transpiler = null)
{
try
{
MethodInfo method = base.Patch(original: original, prefix: prefix, postfix: postfix, transpiler: transpiler);
return new DynamicMethod(method.Name, method.Attributes, method.CallingConvention, method.ReturnType, method.GetParameters().Select(p => p.ParameterType).ToArray(), method.Module, true);
}
catch (Exception ex)
{
var patchTypes = new List<string>();
if (prefix != null)
patchTypes.Add("prefix");
if (postfix != null)
patchTypes.Add("postfix");
if (transpiler != null)
patchTypes.Add("transpiler");
throw new Exception($"Failed applying {string.Join("/", patchTypes)} to method {original.DeclaringType?.FullName}.{original.Name}", ex);
}
}
}
}
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