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));
}
DbgCodeRange[] TryGetCodeRanges_UI(DbgModule module, uint token, uint offset)
{
uiDispatcher.VerifyAccess();
var tab = documentTabService.Value.GetOrCreateActiveTab();
var documentViewer = tab.TryGetDocumentViewer();
var methodDebugService = documentViewer.GetMethodDebugService();
var moduleId = dbgModuleIdProviderService.GetModuleId(module);
if (moduleId == null)
{
return(null);
}
uint refNavOffset;
if (offset == EPILOG)
{
refNavOffset = DotNetReferenceNavigator.EPILOG;
var mod = dbgMetadataService.TryGetMetadata(module, DbgLoadModuleOptions.AutoLoaded);
if (mod?.ResolveToken(token) is MethodDef md && md.Body != null && md.Body.Instructions.Count > 0)
{
offset = md.Body.Instructions[md.Body.Instructions.Count - 1].Offset;
}
else
{
return(null);
}
}
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));
}