add AddDynamicDependency

Author: xljiulang

App/Startup.cs

@@ -49,7 +49,8 @@ public void ConfigureServices(IServiceCollection services)
             services
                 .AddWebApiClient()
                 .UseJsonFirstApiActionDescriptor()
-                .UseSourceGeneratorHttpApiActivator();
+                .UseSourceGeneratorHttpApiActivator()
+                .AddDynamicDependencyApp();
 
             // 注册userApi
             services.AddHttpApi(typeof(IUserApi), o =>

WebApiClientCore.Analyzers.SourceGenerator/DynamicDependencyBuilder.cs

@@ -0,0 +1,81 @@
+using Microsoft.CodeAnalysis;
+using Microsoft.CodeAnalysis.Text;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace WebApiClientCore.Analyzers.SourceGenerator
+{
+    sealed class DynamicDependencyBuilder
+    {
+        private readonly Compilation compilation;
+        private readonly IEnumerable<HttpApiCodeBuilder> codeBuilders;
+
+        public string FileName => "WebApiClientBuilderExtensions.g.cs";
+        public string ClassName => "WebApiClientBuilderExtensions_G";
+
+        public DynamicDependencyBuilder(Compilation compilation, IEnumerable<HttpApiCodeBuilder> codeBuilders)
+        {
+            this.compilation = compilation;
+            this.codeBuilders = codeBuilders;
+        }
+
+        /// <summary>
+        /// 转换为SourceText
+        /// </summary>
+        /// <returns></returns>
+        public SourceText ToSourceText()
+        {
+            var code = this.ToString();
+            return SourceText.From(code, Encoding.UTF8);
+        }
+
+        public override string ToString()
+        {
+            var builder = new StringBuilder();
+            builder.AppendLine("#if NET5_0_OR_GREATER");
+            builder.AppendLine("using System.Diagnostics.CodeAnalysis;");
+            builder.AppendLine("namespace Microsoft.Extensions.DependencyInjection");
+            builder.AppendLine("{");
+            builder.AppendLine("    /// <summary>IWebApiClientBuilder扩展</summary>");
+            builder.AppendLine($"    public static partial class {this.ClassName}");
+            builder.AppendLine("    {");
+
+            builder.AppendLine($"""
+                        /// <summary>
+                        /// 注册程序集{compilation.AssemblyName}的所有动态依赖
+                        /// 避免程序集在裁剪时裁剪掉由SourceGenerator生成的代理类
+                        /// </summary>
+                        /// <param name="builder"></param> 
+                        /// <returns></returns>
+                """);
+
+            var assemblyName = GetAssemblyName(compilation);
+            foreach (var codeBuilder in this.codeBuilders)
+            {
+                builder.AppendLine($"        [DynamicDependency(DynamicallyAccessedMemberTypes.All, typeof({codeBuilder.Namespace}.{codeBuilder.ClassName}))]");
+            }
+
+            builder.AppendLine($"        public static IWebApiClientBuilder AddDynamicDependency{assemblyName}(this IWebApiClientBuilder builder)");
+            builder.AppendLine("        {");
+            builder.AppendLine("            return builder;");
+            builder.AppendLine("        }");
+             
+            builder.AppendLine("    }");
+            builder.AppendLine("}");
+            builder.AppendLine("#endif");
+            return builder.ToString();
+        }
+
+        private static string GetAssemblyName(Compilation compilation)
+        {
+            var assemblyName = compilation.AssemblyName ?? string.Empty;
+            return new string(assemblyName.Where(IsAllowChar).ToArray());
+
+            static bool IsAllowChar(char c)
+            {
+                return ('0' <= c && c <= '9') || ('A' <= c && c <= 'Z') || ('a' <= c && c <= 'z');
+            }
+        }
+    }
+}

WebApiClientCore.Analyzers.SourceGenerator/HttpApiSourceGenerator.cs

@@ -35,6 +35,9 @@ public void Execute(GeneratorExecutionContext context)
                 {
                     context.AddSource(builder.HttpApiTypeName, builder.ToSourceText());
                 }
+
+                var dependencyBuilder = new DynamicDependencyBuilder(context.Compilation, builders);
+                context.AddSource(dependencyBuilder.FileName, dependencyBuilder.ToSourceText());
             }
         }
     }

WebApiClientCore.Analyzers.SourceGenerator/WebApiClientCore.Analyzers.SourceGenerator.csproj

@@ -2,7 +2,7 @@
 
 	<PropertyGroup>
 		<Nullable>enable</Nullable>
-		<LangVersion>8.0</LangVersion>
+		<LangVersion>latest</LangVersion>
 		<TargetFramework>netstandard2.0</TargetFramework>
 		<DocumentationFile>bin\$(Configuration)\$(TargetFramework)\$(AssemblyName).xml</DocumentationFile>
 

WebApiClientCore.Extensions.SourceGenerator/WebApiClientCore.Extensions.SourceGenerator.csproj

@@ -1,6 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
 	<PropertyGroup>
+		<Version>2.0.5.1</Version>
 		<Nullable>enable</Nullable>
 		<TargetFramework>netstandard2.1</TargetFramework>
 		<DocumentationFile>bin\$(Configuration)\$(TargetFramework)\$(AssemblyName).xml</DocumentationFile>

WebApiClientCore.sln

@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio Version 16
-VisualStudioVersion = 16.0.29519.181
+# Visual Studio Version 17
+VisualStudioVersion = 17.11.34909.67
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "WebApiClientCore", "WebApiClientCore\WebApiClientCore.csproj", "{6D2952E5-CFD8-40AF-91B1-3C30F043E79B}"
 EndProject
@@ -23,7 +23,7 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "WebApiClientCore.Extensions
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "WebApiClientCore.Abstractions", "WebApiClientCore.Abstractions\WebApiClientCore.Abstractions.csproj", "{BB0EFCA6-6AD2-45A2-B62D-62426F5015D2}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WebApiClientCore.Extensions.SourceGenerator", "WebApiClientCore.Extensions.SourceGenerator\WebApiClientCore.Extensions.SourceGenerator.csproj", "{344CF9EB-5B11-406A-A8BC-93E5BAC6A5A0}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "WebApiClientCore.Extensions.SourceGenerator", "WebApiClientCore.Extensions.SourceGenerator\WebApiClientCore.Extensions.SourceGenerator.csproj", "{344CF9EB-5B11-406A-A8BC-93E5BAC6A5A0}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "WebApiClientCore.Analyzers.SourceGenerator", "WebApiClientCore.Analyzers.SourceGenerator\WebApiClientCore.Analyzers.SourceGenerator.csproj", "{DFE35D63-0888-4EE2-A9F1-AC45756F5909}"
 EndProject

docs/guide/source-generator.md

@@ -8,5 +8,6 @@ SourceGenerator是一种新的c#编译时代码补充生成技术，可以非常
 // 应用编译时生成接口的代理类型代码
 services
     .AddWebApiClient()
-    .UseSourceGeneratorHttpApiActivator();
+    .UseSourceGeneratorHttpApiActivator()
+	.AddDynamicDependency{AssemblyName};
 ```