From fb4e57ad2e1627b28f17e5f18f776f2a8e926037 Mon Sep 17 00:00:00 2001
From: beakona <branislav@guarami.com>
Date: Wed, 28 Jul 2021 13:39:26 +0200
Subject: [PATCH] Types does not have to be in same compile unit..

---
 AutoInterface.sln                             |  6 +++++
 .../AutoInterfaceSample.csproj                |  4 ++++
 AutoInterfaceSample/Program.cs                | 22 +++----------------
 .../CSharpCodeTextWriter.cs                   |  5 +++++
 TestInterfaces/Interfaces.cs                  | 22 +++++++++++++++++++
 TestInterfaces/TestInterfaces.csproj          |  7 ++++++
 6 files changed, 47 insertions(+), 19 deletions(-)
 create mode 100644 TestInterfaces/Interfaces.cs
 create mode 100644 TestInterfaces/TestInterfaces.csproj

diff --git a/AutoInterface.sln b/AutoInterface.sln
index 6029cc7..ccdbfb2 100644
--- a/AutoInterface.sln
+++ b/AutoInterface.sln
@@ -12,6 +12,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AutoInterfaceSample", "Auto
 		{FF7DF2CF-FA1C-4655-B451-B6FD1E374E3A} = {FF7DF2CF-FA1C-4655-B451-B6FD1E374E3A}
 	EndProjectSection
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TestInterfaces", "TestInterfaces\TestInterfaces.csproj", "{E271DF85-2B8E-48C4-8EB0-37FBF60A2E15}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -28,6 +30,10 @@ Global
 		{D80AD027-6463-4CBB-91B5-4952AE0204B3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{D80AD027-6463-4CBB-91B5-4952AE0204B3}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{D80AD027-6463-4CBB-91B5-4952AE0204B3}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E271DF85-2B8E-48C4-8EB0-37FBF60A2E15}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E271DF85-2B8E-48C4-8EB0-37FBF60A2E15}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E271DF85-2B8E-48C4-8EB0-37FBF60A2E15}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E271DF85-2B8E-48C4-8EB0-37FBF60A2E15}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/AutoInterfaceSample/AutoInterfaceSample.csproj b/AutoInterfaceSample/AutoInterfaceSample.csproj
index 47f008b..d869359 100644
--- a/AutoInterfaceSample/AutoInterfaceSample.csproj
+++ b/AutoInterfaceSample/AutoInterfaceSample.csproj
@@ -18,4 +18,8 @@
     <Analyzer Include="..\BeaKona.AutoInterfaceGenerator\bin\Debug\netstandard2.0\BeaKona.AutoInterfaceGenerator.dll" />
   </ItemGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\TestInterfaces\TestInterfaces.csproj" />
+  </ItemGroup>
+
 </Project>
diff --git a/AutoInterfaceSample/Program.cs b/AutoInterfaceSample/Program.cs
index 7c88721..d59d252 100644
--- a/AutoInterfaceSample/Program.cs
+++ b/AutoInterfaceSample/Program.cs
@@ -1,4 +1,6 @@
-namespace AutoInterfaceSample
+using TestInterfaces;
+
+namespace AutoInterfaceSample
 {
     public class Program
     {
@@ -10,24 +12,6 @@ public static void Main()
         }
     }
 
-    public interface ITestable
-    {
-        void PrintTest();
-    }
-
-    public interface IPrintable<T> : ITestable
-    {
-        int Length { get; }
-        int Count { get; }
-        void Print1();
-        void Print2();
-    }
-
-    public interface IPrintable2
-    {
-        void Print3();
-    }
-
     public class PrinterV1 : IPrintable<int>, IPrintable2
     {
         public int Length => 100;
diff --git a/BeaKona.AutoInterfaceGenerator/CSharpCodeTextWriter.cs b/BeaKona.AutoInterfaceGenerator/CSharpCodeTextWriter.cs
index 138d632..5af3577 100644
--- a/BeaKona.AutoInterfaceGenerator/CSharpCodeTextWriter.cs
+++ b/BeaKona.AutoInterfaceGenerator/CSharpCodeTextWriter.cs
@@ -949,6 +949,11 @@ private string GetSourceIdentifier(ISymbol symbol)
                     }
                 }
 
+                if (symbol.DeclaringSyntaxReferences.Length == 0)
+                {
+                    return symbol.Name;
+                }
+
                 throw new NotSupportedException();
             }
         }
diff --git a/TestInterfaces/Interfaces.cs b/TestInterfaces/Interfaces.cs
new file mode 100644
index 0000000..2c6be96
--- /dev/null
+++ b/TestInterfaces/Interfaces.cs
@@ -0,0 +1,22 @@
+using System;
+
+namespace TestInterfaces
+{
+    public interface ITestable
+    {
+        void PrintTest();
+    }
+
+    public interface IPrintable<T> : ITestable
+    {
+        int Length { get; }
+        int Count { get; }
+        void Print1();
+        void Print2();
+    }
+
+    public interface IPrintable2
+    {
+        void Print3();
+    }
+}
diff --git a/TestInterfaces/TestInterfaces.csproj b/TestInterfaces/TestInterfaces.csproj
new file mode 100644
index 0000000..f208d30
--- /dev/null
+++ b/TestInterfaces/TestInterfaces.csproj
@@ -0,0 +1,7 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net5.0</TargetFramework>
+  </PropertyGroup>
+
+</Project>