Remove unused System.Reflection.Emit leftovers

src/coreclr/System.Private.CoreLib/src/System/Reflection/Emit/ILGenerator.cs

@@ -1672,88 +1672,4 @@ internal void EnsureCapacity()
         internal const int InitialSize = 16;
         internal LocalSymInfo?[] m_localSymInfos = null!;            // keep track debugging local information
     }
-
-    /// <summary>
-    /// This class tracks the line number info
-    /// </summary>
-    internal sealed class REDocument
-    {
-        internal REDocument(ISymbolDocumentWriter document)
-        {
-            // initialize data variables
-            m_iLineNumberCount = 0;
-            m_document = document;
-        }
-
-        internal void AddLineNumberInfo(
-            ISymbolDocumentWriter? document,
-            int iOffset,
-            int iStartLine,
-            int iStartColumn,
-            int iEndLine,
-            int iEndColumn)
-        {
-            Debug.Assert(document == m_document, "Bad document look up!");
-
-            // make sure that arrays are large enough to hold addition info
-            EnsureCapacity();
-
-            m_iOffsets[m_iLineNumberCount] = iOffset;
-            m_iLines[m_iLineNumberCount] = iStartLine;
-            m_iColumns[m_iLineNumberCount] = iStartColumn;
-            m_iEndLines[m_iLineNumberCount] = iEndLine;
-            m_iEndColumns[m_iLineNumberCount] = iEndColumn;
-            checked { m_iLineNumberCount++; }
-        }
-
-        /// <summary>
-        /// Helper to ensure arrays are large enough
-        /// </summary>
-        private void EnsureCapacity()
-        {
-            if (m_iLineNumberCount == 0)
-            {
-                // First time. Allocate the arrays.
-                m_iOffsets = new int[InitialSize];
-                m_iLines = new int[InitialSize];
-                m_iColumns = new int[InitialSize];
-                m_iEndLines = new int[InitialSize];
-                m_iEndColumns = new int[InitialSize];
-            }
-            else if (m_iLineNumberCount == m_iOffsets.Length)
-            {
-                // the arrays are full. Enlarge the arrays
-                // It would probably be simpler to just use Lists here
-                int newSize = checked(m_iLineNumberCount * 2);
-                int[] temp = new int[newSize];
-                Array.Copy(m_iOffsets, temp, m_iLineNumberCount);
-                m_iOffsets = temp;
-
-                temp = new int[newSize];
-                Array.Copy(m_iLines, temp, m_iLineNumberCount);
-                m_iLines = temp;
-
-                temp = new int[newSize];
-                Array.Copy(m_iColumns, temp, m_iLineNumberCount);
-                m_iColumns = temp;
-
-                temp = new int[newSize];
-                Array.Copy(m_iEndLines, temp, m_iLineNumberCount);
-                m_iEndLines = temp;
-
-                temp = new int[newSize];
-                Array.Copy(m_iEndColumns, temp, m_iLineNumberCount);
-                m_iEndColumns = temp;
-            }
-        }
-
-        private int[] m_iOffsets = null!;                 // array of offsets
-        private int[] m_iLines = null!;                   // array of offsets
-        private int[] m_iColumns = null!;                 // array of offsets
-        private int[] m_iEndLines = null!;                // array of offsets
-        private int[] m_iEndColumns = null!;              // array of offsets
-        internal ISymbolDocumentWriter m_document;       // The ISymbolDocumentWriter that this REDocument is tracking.
-        private int m_iLineNumberCount;         // how many entries in the arrays are occupied
-        private const int InitialSize = 16;
-    }       // end of REDocument
 }

src/coreclr/debug/CMakeLists.txt

@@ -1,5 +1,4 @@
 add_subdirectory(daccess)
-add_subdirectory(ildbsymlib)
 add_subdirectory(ee)
 add_subdirectory(di)
 add_subdirectory(shim)

src/coreclr/debug/daccess/dacdbiimpl.cpp

@@ -4383,23 +4383,7 @@ void DacDbiInterfaceImpl::GetSymbolsBuffer(VMPTR_Module vmModule, TargetBuffer *
     }
     InitTargetBufferFromMemoryRange(m, pTargetBuffer);
 
-    // Set the symbol format appropriately
-    ESymbolFormat symFormat = pModule->GetInMemorySymbolStreamFormat();
-    switch (symFormat)
-    {
-    case eSymbolFormatPDB:
-        *pSymbolFormat = kSymbolFormatPDB;
-        break;
-
-    case eSymbolFormatILDB:
-        *pSymbolFormat = kSymbolFormatILDB;
-        break;
-
-    default:
-        CONSISTENCY_CHECK_MSGF(false, "Unexpected symbol format");
-        pTargetBuffer->Clear();
-        ThrowHR(E_UNEXPECTED);
-    }
+    *pSymbolFormat = kSymbolFormatPDB;
 }
 
 

src/coreclr/debug/di/module.cpp

@@ -15,7 +15,6 @@
 #include "winbase.h"
 #include "corpriv.h"
 #include "corsym.h"
-#include "ildbsymlib.h"
 
 #include "pedecoder.h"
 #include "stgpool.h"
@@ -2577,13 +2576,6 @@ HRESULT CordbModule::CreateReaderForInMemorySymbols(REFIID riid, void** ppObj)
                                              (void**)&pBinder));
 #endif
         }
-        else if (symFormat == IDacDbiInterface::kSymbolFormatILDB)
-        {
-            // ILDB format - use statically linked-in ildbsymlib
-            IfFailThrow(IldbSymbolsCreateInstance(CLSID_CorSymBinder_SxS,
-                                                IID_ISymUnmanagedBinder,
-                                                (void**)&pBinder));
-        }
         else
         {
             // No in-memory symbols, return the appropriate error

src/coreclr/debug/ee/debugger.cpp

@@ -9712,7 +9712,7 @@ void Debugger::SendRawUpdateModuleSymsEvent(Module *pRuntimeModule, AppDomain *p
     // callback.  That callback is defined to pass a PDB stream, and so we still use this
     // only for legacy compatibility reasons when we've actually got PDB symbols.
     // New clients know they must request a new symbol reader after ClassLoad events.
-    if (pRuntimeModule->GetInMemorySymbolStreamFormat() != eSymbolFormatPDB)
+    if (pRuntimeModule->GetInMemorySymbolStream() == NULL)
         return; // Non-PDB symbols
 
     DebuggerModule* module = LookupOrCreateModule(pRuntimeModule, pAppDomain);