public override ModuleDef?TryGetMetadata(DbgModule module, DbgLoadModuleOptions options)
{
if (module is null)
{
throw new ArgumentNullException(nameof(module));
}
if (UseMemoryModules || module.IsDynamic || module.IsInMemory || (options & DbgLoadModuleOptions.ForceMemory) != 0)
{
return(dbgInMemoryModuleService.LoadModule(module));
}
var mod = dbgInMemoryModuleService.FindModule(module);
if (!(mod is null))
{
return(mod);
}
var id = dbgModuleIdProviderService.GetModuleId(module);
if (!(id is null))
{
return(TryGetMetadata(id.Value, options));
}
return(null);
}
DbgLanguageDebugInfo CreateDebugInfo(IDbgDotNetCodeLocation location, CancellationToken cancellationToken)
{
const DbgLoadModuleOptions options = DbgLoadModuleOptions.AutoLoaded;
ModuleDef mdModule;
if (location.DbgModule is DbgModule dbgModule)
{
mdModule = dbgMetadataService.TryGetMetadata(dbgModule, options);
}
else
{
mdModule = dbgMetadataService.TryGetMetadata(location.Module, options);
}
Debug.Assert(mdModule != null);
if (mdModule == null)
{
return(null);
}
cancellationToken.ThrowIfCancellationRequested();
var method = mdModule.ResolveToken(location.Token) as MethodDef;
Debug.Assert(method != null);
if (method == null)
{
return(null);
}
var context = new DecompilationContext {
CancellationToken = cancellationToken,
CalculateBinSpans = true,
};
var output = DecompilerOutputImplCache.Alloc();
output.Initialize(method.MDToken.Raw);
//TODO: Whenever the decompiler options change, we need to invalidate our cache and every
// single DbgLanguageDebugInfo instance.
decompiler.Decompile(method, output, context);
var methodDebugInfo = output.TryGetMethodDebugInfo();
DecompilerOutputImplCache.Free(ref output);
cancellationToken.ThrowIfCancellationRequested();
Debug.Assert(methodDebugInfo != null);
if (methodDebugInfo == null)
{
return(null);
}
// We don't support EnC so the version is always 1
const int methodVersion = 1;
return(new DbgLanguageDebugInfo(methodDebugInfo, methodVersion, location.Offset));
}
ModuleDef?LoadNonDiskFile(ModuleId moduleId, DbgLoadModuleOptions options)
{
if (UseMemoryModules || moduleId.IsDynamic || moduleId.IsInMemory || (options & DbgLoadModuleOptions.ForceMemory) != 0)
{
var module = dbgModuleIdProviderService.GetModule(moduleId);
if (!(module is null))
{
return(dbgInMemoryModuleService.LoadModule(module));
}
}
return(null);
}
public override ModuleDef?TryGetMetadata(ModuleId moduleId, DbgLoadModuleOptions options)
{
var mod = LoadNonDiskFile(moduleId, options) ?? LoadExisting(moduleId);
if (!(mod is null))
{
return(mod);
}
if (moduleId.IsDynamic || moduleId.IsInMemory)
{
return(null);
}
string moduleFilename = moduleId.ModuleName;
if (!File.Exists(moduleFilename))
{
return(null);
}
var asmFilename = GetAssemblyFilename(moduleFilename, moduleId.AssemblyFullName, moduleId.ModuleNameOnly);
bool isAutoLoaded = (options & DbgLoadModuleOptions.AutoLoaded) != 0;
if (!string.IsNullOrEmpty(asmFilename))
{
var document = documentService.TryGetOrCreate(DsDocumentInfo.CreateDocument(asmFilename), isAutoLoaded);
if (document is null)
{
document = documentService.Resolve(new AssemblyNameInfo(moduleId.AssemblyFullName), null);
}
if (!(document is null))
{
// Common case is a single-file assembly or first module of a multifile assembly
if (asmFilename.Equals(moduleFilename, StringComparison.OrdinalIgnoreCase))
{
return(document.ModuleDef);
}
foreach (var child in document.Children)
{
if (child.Filename.Equals(moduleFilename, StringComparison.OrdinalIgnoreCase))
{
return(child.ModuleDef);
}
}
}
}
return(documentService.TryGetOrCreate(DsDocumentInfo.CreateDocument(moduleFilename), isAutoLoaded)?.ModuleDef);
}
ModuleDef LoadModule(DbgModule module, DbgLoadModuleOptions options, ref bool canShowMessageBox)
{
if (!module.IsDotNetModule())
{
return(null);
}
if (module.IsDynamic && !module.Runtime.IsClosed && module.Process.IsRunning)
{
if (canShowMessageBox)
{
canShowMessageBox = false;
messageBoxService.Value.Show(dnSpy_Debugger_DotNet_Resources.Module_BreakProcessBeforeLoadingDynamicModules);
}
return(null);
}
return(dbgMetadataService.Value.TryGetMetadata(module, options));
}
DbgLanguageDebugInfo CreateDebugInfo(DbgEvaluationContext context, IDbgDotNetCodeLocation location, CancellationToken cancellationToken)
{
const DbgLoadModuleOptions options = DbgLoadModuleOptions.AutoLoaded;
ModuleDef mdModule;
if (location.DbgModule is DbgModule dbgModule)
{
mdModule = dbgMetadataService.TryGetMetadata(dbgModule, options);
}
else
{
dbgModule = null;
mdModule = dbgMetadataService.TryGetMetadata(location.Module, options);
}
Debug.Assert(mdModule != null);
if (mdModule == null)
{
return(null);
}
cancellationToken.ThrowIfCancellationRequested();
var method = mdModule.ResolveToken(location.Token) as MethodDef;
// Could be null if it's a dynamic assembly. It will get refreshed later and we'll get called again.
if (method == null)
{
return(null);
}
var runtime = context.Runtime.GetDotNetRuntime();
int methodToken, localVarSigTok;
if (dbgModule == null || !runtime.TryGetMethodToken(dbgModule, method.MDToken.ToInt32(), out methodToken, out localVarSigTok))
{
methodToken = method.MDToken.ToInt32();
localVarSigTok = (int)(method.Body?.LocalVarSigTok ?? 0);
}
var decContext = new DecompilationContext {
CancellationToken = cancellationToken,
CalculateBinSpans = true,
};
var output = DecompilerOutputImplCache.Alloc();
output.Initialize(method.MDToken.Raw);
//TODO: Whenever the decompiler options change, we need to invalidate our cache and every
// single DbgLanguageDebugInfo instance.
decompiler.Decompile(method, output, decContext);
var methodDebugInfo = output.TryGetMethodDebugInfo();
DecompilerOutputImplCache.Free(ref output);
cancellationToken.ThrowIfCancellationRequested();
Debug.Assert(methodDebugInfo != null);
if (methodDebugInfo == null)
{
return(null);
}
// We don't support EnC so the version is always 1
const int methodVersion = 1;
return(new DbgLanguageDebugInfo(methodDebugInfo, methodToken, localVarSigTok, methodVersion, location.Offset));
}
/// <summary> /// Returns a <see cref="ModuleDef"/> or null if none could be loaded /// </summary> /// <param name="moduleId">Module id</param> /// <param name="options">Load options</param> /// <returns></returns> public abstract ModuleDef TryGetMetadata(ModuleId moduleId, DbgLoadModuleOptions options = DbgLoadModuleOptions.None);
/// <summary> /// Returns a <see cref="ModuleDef"/> or null if none could be loaded /// </summary> /// <param name="module">Module</param> /// <param name="options">Load options</param> /// <returns></returns> public abstract ModuleDef?TryGetMetadata(DbgModule module, DbgLoadModuleOptions options = DbgLoadModuleOptions.None);
