Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/ikvm/reflect/Emit/ILGenerator.cs

@@ -24,7 +24,9 @@
 using System;
 using System.Runtime.InteropServices;
 using System.Collections.Generic;
+#if !NO_SYMBOL_WRITER
 using System.Diagnostics.SymbolStore;
+#endif
 using System.Diagnostics;
 using IKVM.Reflection.Writer;
 
@@ -110,7 +112,9 @@ namespace IKVM.Reflection.Emit
 		private readonly List<int> labels = new List<int>();
 		private readonly List<int> labelStackHeight = new List<int>();
 		private readonly List<LabelFixup> labelFixups = new List<LabelFixup>();
+#if !NO_SYMBOL_WRITER
 		private readonly List<SequencePoint> sequencePoints = new List<SequencePoint>();
+#endif
 		private readonly List<ExceptionBlock> exceptions = new List<ExceptionBlock>();
 		private readonly Stack<ExceptionBlock> exceptionStack = new Stack<ExceptionBlock>();
 		private ushort maxStack;
@@ -183,12 +187,14 @@ namespace IKVM.Reflection.Emit
 
 		private struct SequencePoint
 		{
+#if !NO_SYMBOL_WRITER
 			internal ISymbolDocumentWriter document;
 			internal int offset;
 			internal int startLine;
 			internal int startColumn;
 			internal int endLine;
 			internal int endColumn;
+#endif
 		}
 
 		private sealed class Scope
@@ -402,10 +408,12 @@ namespace IKVM.Reflection.Emit
 
 		public void UsingNamespace(string usingNamespace)
 		{
+#if !NO_SYMBOL_WRITER
 			if (moduleBuilder.symbolWriter != null)
 			{
 				moduleBuilder.symbolWriter.UsingNamespace(usingNamespace);
 			}
+#endif
 		}
 
 		public LocalBuilder DeclareLocal(Type localType)
@@ -882,6 +890,7 @@ namespace IKVM.Reflection.Emit
 			}
 		}
 
+#if !NO_SYMBOL_WRITER
 		public void MarkSequencePoint(ISymbolDocumentWriter document, int startLine, int startColumn, int endLine, int endColumn)
 		{
 			SequencePoint sp = new SequencePoint();
@@ -893,6 +902,7 @@ namespace IKVM.Reflection.Emit
 			sp.endColumn = endColumn;
 			sequencePoints.Add(sp);
 		}
+#endif
 
 		public void ThrowException(Type excType)
 		{
@@ -928,6 +938,7 @@ namespace IKVM.Reflection.Emit
 				rva = WriteFatHeaderAndCode(bb, localVarSigTok, initLocals);
 			}
 
+#if !NO_SYMBOL_WRITER
 			if (moduleBuilder.symbolWriter != null)
 			{
 				if (sequencePoints.Count != 0)
@@ -955,6 +966,7 @@ namespace IKVM.Reflection.Emit
 
 				WriteScope(scope, localVarSigTok);
 			}
+#endif
 			return rva;
 		}
 
@@ -1111,6 +1123,7 @@ namespace IKVM.Reflection.Emit
 			}
 		}
 
+#if !NO_SYMBOL_WRITER
 		private void WriteScope(Scope scope, int localVarSigTok)
 		{
 			moduleBuilder.symbolWriter.OpenScope(scope.startOffset);
@@ -1134,5 +1147,6 @@ namespace IKVM.Reflection.Emit
 			}
 			moduleBuilder.symbolWriter.CloseScope(scope.endOffset);
 		}
+#endif
 	}
 }