From 65990f92ffda1ca7a204414907f3c8811f9dcc0a Mon Sep 17 00:00:00 2001
From: lindexi <lindexi_gd@163.com>
Date: Tue, 14 Nov 2023 17:20:30 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A6=82=E6=9E=9C=E4=B8=8D=E5=AD=98=E5=9C=A8?=
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https://github.com/dotnet-campus/SourceFusion/issues/41
---
 .../Core/ExportedTypesCodeTextGenerator.cs         |  6 ++++++
 .../TelescopeSourceGeneratorDemo/AssemblyInfo.cs   |  2 +-
 .../Demo/TelescopeSourceGeneratorDemo/Program.cs   | 14 +++++++-------
 3 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/src/TelescopeSourceGenerator/Analyzers/Core/ExportedTypesCodeTextGenerator.cs b/src/TelescopeSourceGenerator/Analyzers/Core/ExportedTypesCodeTextGenerator.cs
index 6bd4979..5a7ffc4 100644
--- a/src/TelescopeSourceGenerator/Analyzers/Core/ExportedTypesCodeTextGenerator.cs
+++ b/src/TelescopeSourceGenerator/Analyzers/Core/ExportedTypesCodeTextGenerator.cs
@@ -11,6 +11,12 @@ class ExportedTypesCodeTextGenerator
 {
     public string Generate(ImmutableArray<MarkClassParseResult> markClassCollection, CancellationToken token)
     {
+        if (markClassCollection.Length == 0)
+        {
+            // 如果没有任何需要导出的类型，那就不要创建任何代码
+            return string.Empty;
+        }
+
         // 导出的接口
         var exportedInterfaces = new List<string>();
         // 导出的方法
diff --git a/src/TelescopeSourceGenerator/Demo/TelescopeSourceGeneratorDemo/AssemblyInfo.cs b/src/TelescopeSourceGenerator/Demo/TelescopeSourceGeneratorDemo/AssemblyInfo.cs
index 419ea61..4b47e23 100644
--- a/src/TelescopeSourceGenerator/Demo/TelescopeSourceGeneratorDemo/AssemblyInfo.cs
+++ b/src/TelescopeSourceGenerator/Demo/TelescopeSourceGeneratorDemo/AssemblyInfo.cs
@@ -1,4 +1,4 @@
 using dotnetCampus.Telescope;
 using dotnetCampus.Telescope.SourceGeneratorAnalyzers.Demo;
 
-[assembly: MarkExport(typeof(Base), typeof(FooAttribute))]
+//[assembly: MarkExport(typeof(Base), typeof(FooAttribute))]
diff --git a/src/TelescopeSourceGenerator/Demo/TelescopeSourceGeneratorDemo/Program.cs b/src/TelescopeSourceGenerator/Demo/TelescopeSourceGeneratorDemo/Program.cs
index 3e1a141..993d7ee 100644
--- a/src/TelescopeSourceGenerator/Demo/TelescopeSourceGeneratorDemo/Program.cs
+++ b/src/TelescopeSourceGenerator/Demo/TelescopeSourceGeneratorDemo/Program.cs
@@ -10,13 +10,13 @@ static void Main(string[] args)
         {
         }
 
-        var attributedTypesExport = new __AttributedTypesExport__();
-        ICompileTimeAttributedTypesExporter<Base, FooAttribute> exporter = attributedTypesExport;
-        foreach (var exportedTypeMetadata in exporter.ExportAttributeTypes())
-        {
-            // 输出导出的类型
-            Console.WriteLine(exportedTypeMetadata.RealType.FullName);
-        }
+        //var attributedTypesExport = new __AttributedTypesExport__();
+        //ICompileTimeAttributedTypesExporter<Base, FooAttribute> exporter = attributedTypesExport;
+        //foreach (var exportedTypeMetadata in exporter.ExportAttributeTypes())
+        //{
+        //    // 输出导出的类型
+        //    Console.WriteLine(exportedTypeMetadata.RealType.FullName);
+        //}
     }
 
     [dotnetCampus.Telescope.TelescopeExportAttribute(IncludeReferences = true)]