Imported Upstream version 5.0.0.42

Former-commit-id: fd56571888259555122d8a0f58c68838229cea2b

external/linker/cecil/symbols/pdb/Mono.Cecil.Pdb/SymWriter.cs

@@ -0,0 +1,151 @@
+//
+// Author:
+//   Juerg Billeter (j@bitron.ch)
+//
+// (C) 2008 Juerg Billeter
+//
+// Licensed under the MIT/X11 license.
+//
+
+using System;
+using System.Collections.Generic;
+using System.Diagnostics.SymbolStore;
+using System.Runtime.InteropServices;
+
+using Mono.Cecil.Cil;
+using Mono.Collections.Generic;
+
+#if !READ_ONLY
+
+namespace Mono.Cecil.Pdb
+{
+	internal class SymWriter
+	{
+		[DllImport("ole32.dll")]
+		static extern int CoCreateInstance (
+			[In] ref Guid rclsid,
+			[In, MarshalAs (UnmanagedType.IUnknown)] object pUnkOuter,
+			[In] uint dwClsContext,
+			[In] ref Guid riid,
+			[Out, MarshalAs (UnmanagedType.Interface)] out object ppv);
+
+		static Guid s_symUnmangedWriterIID = new Guid("0b97726e-9e6d-4f05-9a26-424022093caa");
+		static Guid s_CorSymWriter_SxS_ClassID = new Guid ("108296c1-281e-11d3-bd22-0000f80849bd");
+
+		readonly ISymUnmanagedWriter2 m_writer;
+		readonly Collection<ISymUnmanagedDocumentWriter> documents;
+
+		public SymWriter ()
+		{
+			object objWriter;
+			CoCreateInstance (ref s_CorSymWriter_SxS_ClassID, null, 1, ref s_symUnmangedWriterIID, out objWriter);
+
+			m_writer = (ISymUnmanagedWriter2) objWriter;
+			documents = new Collection<ISymUnmanagedDocumentWriter> ();
+		}
+
+		public byte[] GetDebugInfo (out ImageDebugDirectory idd)
+		{
+			int size;
+
+			// get size of debug info
+			m_writer.GetDebugInfo (out idd, 0, out size, null);
+
+			byte[] debug_info = new byte[size];
+			m_writer.GetDebugInfo (out idd, size, out size, debug_info);
+
+			return debug_info;
+		}
+
+		public void DefineLocalVariable2 (
+			string name,
+			VariableAttributes attributes,
+			SymbolToken sigToken,
+			SymAddressKind addrKind,
+			int addr1,
+			int addr2,
+			int addr3,
+			int startOffset,
+			int endOffset)
+		{
+			m_writer.DefineLocalVariable2 (name, (int)attributes, sigToken, (int)addrKind, addr1, addr2, addr3, startOffset, endOffset);
+		}
+
+		public void Close ()
+		{
+			m_writer.Close ();
+			Marshal.ReleaseComObject (m_writer);
+
+			foreach (var document in documents)
+				Marshal.ReleaseComObject (document);
+		}
+
+		public void CloseMethod ()
+		{
+			m_writer.CloseMethod ();
+		}
+
+		public void CloseNamespace ()
+		{
+			m_writer.CloseNamespace ();
+		}
+
+		public void CloseScope (int endOffset)
+		{
+			m_writer.CloseScope (endOffset);
+		}
+
+		public SymDocumentWriter DefineDocument (string url, Guid language, Guid languageVendor, Guid documentType)
+		{
+			ISymUnmanagedDocumentWriter unmanagedDocumentWriter;
+			m_writer.DefineDocument (url, ref language, ref languageVendor, ref documentType, out unmanagedDocumentWriter);
+
+			documents.Add (unmanagedDocumentWriter);
+			return new SymDocumentWriter (unmanagedDocumentWriter);
+		}
+
+		public void DefineParameter (string name, ParameterAttributes attributes, int sequence, SymAddressKind addrKind, int addr1, int addr2, int addr3)
+		{
+			throw new Exception ("The method or operation is not implemented.");
+		}
+
+		public void DefineSequencePoints (SymDocumentWriter document, int[] offsets, int[] lines, int[] columns, int[] endLines, int[] endColumns)
+		{
+			m_writer.DefineSequencePoints (document.GetUnmanaged(), offsets.Length, offsets, lines, columns, endLines, endColumns);
+		}
+
+		public void Initialize (object emitter, string filename, bool fFullBuild)
+		{
+			m_writer.Initialize (emitter, filename, null, fFullBuild);
+		}
+
+		public void SetUserEntryPoint (SymbolToken method)
+		{
+			m_writer.SetUserEntryPoint (method);
+		}
+
+		public void OpenMethod (SymbolToken method)
+		{
+			m_writer.OpenMethod (method);
+		}
+
+		public void OpenNamespace (string name)
+		{
+			m_writer.OpenNamespace (name);
+		}
+
+		public int OpenScope (int startOffset)
+		{
+			int result;
+			m_writer.OpenScope (startOffset, out result);
+			return result;
+		}
+
+		public void UsingNamespace (string fullName)
+		{
+			m_writer.UsingNamespace (fullName);
+		}
+	}
+}
+
+#endif