System.Xml.Xsl.IlGen.GenerateHelper.MarkSequencePoint C# (CSharp) Method

        private void MarkSequencePoint(ISourceLineInfo sourceInfo)
        {
            Debug.Assert(_module.EmitSymbols);

            // Do not emit adjacent 0xfeefee sequence points, as that slows down stepping in the debugger
            if (sourceInfo.IsNoSource && _lastSourceInfo != null && _lastSourceInfo.IsNoSource)
            {
                return;
            }

            string sourceFile = GetFileName(sourceInfo);

#if DEBUG
            if (XmlILTrace.IsEnabled) {
                if (sourceInfo.IsNoSource)
                    this.writerDump.WriteLine("//[no source]");
                else {
                    if (sourceFile != this.sourceFile) {
                        this.sourceFile = sourceFile;
                        this.writerDump.WriteLine("// Source File '{0}'", this.sourceFile);
                    }
                    this.writerDump.WriteLine("//[{0},{1} -- {2},{3}]", sourceInfo.Start.Line, sourceInfo.Start.Pos, sourceInfo.End.Line, sourceInfo.End.Pos);
                }
            }
#endif
            //ISymbolDocumentWriter symDoc = this.module.AddSourceDocument(sourceFile);
            //this.ilgen.MarkSequencePoint(symDoc, sourceInfo.Start.Line, sourceInfo.Start.Pos, sourceInfo.End.Line, sourceInfo.End.Pos);
            _lastSourceInfo = sourceInfo;
        }