Add project ICSharpCode.Decompiler.PdbProvider.Cecil

ICSharpCode.Decompiler.PdbProvider.Cecil/ICSharpCode.Decompiler.PdbProvider.Cecil.csproj

@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netstandard2.0</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Mono.Cecil" Version="0.10.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\ICSharpCode.Decompiler\ICSharpCode.Decompiler.csproj" />
+  </ItemGroup>
+  
+</Project>

ICSharpCode.Decompiler.PdbProvider.Cecil/MonoCecilDebugInfoProvider.cs

@@ -0,0 +1,60 @@
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection.Metadata.Ecma335;
+
+using ICSharpCode.Decompiler.Metadata;
+using ICSharpCode.Decompiler.Util;
+
+using Mono.Cecil;
+
+using SRM = System.Reflection.Metadata;
+
+namespace ICSharpCode.Decompiler.PdbProvider.Cecil
+{
+	public class MonoCecilDebugInfoProvider : IDebugInfoProvider
+	{
+		ModuleDefinition module;
+
+		public MonoCecilDebugInfoProvider(ModuleDefinition module)
+		{
+			this.module = module;
+		}
+
+		public IList<SequencePoint> GetSequencePoints(SRM.MethodDefinitionHandle handle)
+		{
+			var method = this.module.LookupToken(MetadataTokens.GetToken(handle)) as Mono.Cecil.MethodDefinition;
+			if (method?.DebugInformation == null || !method.DebugInformation.HasSequencePoints)
+				return EmptyList<SequencePoint>.Instance;
+			return method.DebugInformation.SequencePoints.Select(point => new Metadata.SequencePoint {
+				Offset = point.Offset,
+				StartLine = point.StartLine,
+				StartColumn = point.StartColumn,
+				EndLine = point.EndLine,
+				EndColumn = point.EndColumn,
+				DocumentUrl = point.Document.Url
+			}).ToList();
+		}
+
+		public IList<Variable> GetVariables(SRM.MethodDefinitionHandle handle)
+		{
+			var method = this.module.LookupToken(MetadataTokens.GetToken(handle)) as Mono.Cecil.MethodDefinition;
+			if (method?.DebugInformation == null)
+				return EmptyList<Variable>.Instance;
+			return method.DebugInformation.GetScopes()
+				.SelectMany(s => s.Variables)
+				.Select(v => new Variable { Name = v.Name }).ToList();
+		}
+
+		public bool TryGetName(SRM.MethodDefinitionHandle handle, int index, out string name)
+		{
+			var method = this.module.LookupToken(MetadataTokens.GetToken(handle)) as Mono.Cecil.MethodDefinition;
+			name = null;
+			if (method?.DebugInformation == null || !method.HasBody)
+				return false;
+			var variable = method.Body.Variables.FirstOrDefault(v => v.Index == index);
+			if (variable == null)
+				return false;
+			return method.DebugInformation.TryGetName(variable, out name);
+		}
+	}
+}

ILSpy.sln

@@ -31,6 +31,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 		Rebracer.xml = Rebracer.xml
 	EndProjectSection
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ICSharpCode.Decompiler.PdbProvider.Cecil", "ICSharpCode.Decompiler.PdbProvider.Cecil\ICSharpCode.Decompiler.PdbProvider.Cecil.csproj", "{B85A155A-9DD6-43BC-A624-2D8EC773D71F}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -69,6 +71,10 @@ Global
 		{9D7BE6C0-B7B3-4A50-A54E-18A2D84A3384}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{9D7BE6C0-B7B3-4A50-A54E-18A2D84A3384}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{9D7BE6C0-B7B3-4A50-A54E-18A2D84A3384}.Release|Any CPU.Build.0 = Release|Any CPU
+		{B85A155A-9DD6-43BC-A624-2D8EC773D71F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B85A155A-9DD6-43BC-A624-2D8EC773D71F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B85A155A-9DD6-43BC-A624-2D8EC773D71F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B85A155A-9DD6-43BC-A624-2D8EC773D71F}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE