0312 删除无用的json

hch

2024-06-17 d994c578379d81a7dff0683af034f24e3aaa260e

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using dnlib.DotNet;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
 
namespace HybridCLR.Editor.Meta
{
    public abstract class AssemblyCacheBase : IDisposable
    {
        private readonly IAssemblyResolver _assemblyPathResolver;
        private readonly ModuleContext _modCtx;
        private readonly AssemblyResolver _asmResolver;
        private bool disposedValue;
        private bool _loadedNetstandard;
 
 
        public ModuleContext ModCtx => _modCtx;
 
        public Dictionary<string, ModuleDefMD> LoadedModules { get; } = new Dictionary<string, ModuleDefMD>();
 
        private readonly List<ModuleDefMD> _loadedModulesIncludeNetstandard = new List<ModuleDefMD>();
 
        protected AssemblyCacheBase(IAssemblyResolver assemblyResolver)
        {
            _assemblyPathResolver = assemblyResolver;
            _modCtx = ModuleDef.CreateModuleContext();
            _asmResolver = (AssemblyResolver)_modCtx.AssemblyResolver;
            _asmResolver.EnableTypeDefCache = true;
            _asmResolver.UseGAC = false;
        }
 
 
        public ModuleDefMD TryLoadModule(string moduleName, bool loadReferenceAssemblies = true)
        {
            string dllPath = _assemblyPathResolver.ResolveAssembly(moduleName, false);
            if (string.IsNullOrEmpty(dllPath))
            {
                return null;
            }
            return LoadModule(moduleName, loadReferenceAssemblies);
        }
 
        public ModuleDefMD LoadModule(string moduleName, bool loadReferenceAssemblies = true)
        {
            // Debug.Log($"load module:{moduleName}");
            if (LoadedModules.TryGetValue(moduleName, out var mod))
            {
                return mod;
            }
            if (moduleName == "netstandard")
            {
                if (!_loadedNetstandard)
                {
                    LoadNetStandard();
                }
                return null;
            }
            mod = DoLoadModule(_assemblyPathResolver.ResolveAssembly(moduleName, true));
            LoadedModules.Add(moduleName, mod);
 
            if (loadReferenceAssemblies)
            {
                foreach (var refAsm in mod.GetAssemblyRefs())
                {
                    LoadModule(refAsm.Name);
                }
            }
 
            return mod;
        }
 
        private void LoadNetStandard()
        {
            string netstandardDllPath = _assemblyPathResolver.ResolveAssembly("netstandard", false);
            if (!string.IsNullOrEmpty(netstandardDllPath))
            {
                DoLoadModule(netstandardDllPath);
            }
            else
            {
                DoLoadModule(MetaUtil.ResolveNetStandardAssemblyPath("netstandard2.0"));
                DoLoadModule(MetaUtil.ResolveNetStandardAssemblyPath("netstandard2.1"));
            }
            _loadedNetstandard = true;
        }
 
        private ModuleDefMD DoLoadModule(string dllPath)
        {
            //Debug.Log($"do load module:{dllPath}");
            ModuleDefMD mod = ModuleDefMD.Load(File.ReadAllBytes(dllPath), _modCtx);
            _asmResolver.AddToCache(mod);
            _loadedModulesIncludeNetstandard.Add(mod);
            return mod;
        }
 
        protected virtual void Dispose(bool disposing)
        {
            if (!disposedValue)
            {
                if (disposing)
                {
                    foreach (var mod in _loadedModulesIncludeNetstandard)
                    {
                        mod.Dispose();
                    }
                    _loadedModulesIncludeNetstandard.Clear();
                    LoadedModules.Clear();
                }
                disposedValue = true;
            }
        }
 
        public void Dispose()
        {
            Dispose(disposing: true);
            GC.SuppressFinalize(this);
        }
    }
}