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using System;
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using System.Reflection;
using System.Reflection.Emit;
using HarmonyLib;
namespace StardewModdingAPI.Framework.ModLoading.RewriteFacades
{
/// <summary>Maps Harmony 1.x <code>HarmonyInstance</code> methods to Harmony 2.x's <see cref="Harmony"/> to avoid breaking older mods.</summary>
/// <remarks>This is public to support SMAPI rewriting and should not be referenced directly by mods.</remarks>
[SuppressMessage("ReSharper", "UnusedMember.Global", Justification = "Used via assembly rewriting")]
[SuppressMessage("ReSharper", "CS1591", Justification = "Documentation not needed for facade classes.")]
public class HarmonyInstanceFacade : Harmony
{
/*********
** Public methods
*********/
/// <summary>Construct an instance.</summary>
/// <param name="id">The unique patch identifier.</param>
public HarmonyInstanceFacade(string id)
: base(id) { }
public static Harmony Create(string id)
{
return new Harmony(id);
}
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 (DynamicMethod)method;
}
catch (Exception ex)
{
// get patch types
var patchTypes = new List<string>();
if (prefix != null)
patchTypes.Add("prefix");
if (postfix != null)
patchTypes.Add("postfix");
if (transpiler != null)
patchTypes.Add("transpiler");
// get original method label
string methodLabel = original != null
? $"method {original.DeclaringType?.FullName}.{original.Name}"
: "null method";
throw new Exception($"Harmony instance {this.Id} failed applying {string.Join("/", patchTypes)} to {methodLabel}.", ex);
}
}
}
}
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