{"id":19991019,"url":"https://github.com/fs7744/Norns","last_synced_at":"2025-05-04T10:30:59.812Z","repository":{"id":72812644,"uuid":"155028842","full_name":"fs7744/Norns","owner":"fs7744","description":"dotnet core aop static weaving on roslyn","archived":false,"fork":false,"pushed_at":"2020-10-24T06:45:58.000Z","size":590,"stargazers_count":23,"open_issues_count":0,"forks_count":5,"subscribers_count":3,"default_branch":"master","last_synced_at":"2024-11-13T04:52:59.801Z","etag":null,"topics":["aop","aspect","netcore","roslyn"],"latest_commit_sha":null,"homepage":"","language":"C#","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/fs7744.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2018-10-28T02:40:56.000Z","updated_at":"2024-06-07T22:08:40.000Z","dependencies_parsed_at":"2023-02-26T17:30:22.041Z","dependency_job_id":null,"html_url":"https://github.com/fs7744/Norns","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/fs7744%2FNorns","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/fs7744%2FNorns/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/fs7744%2FNorns/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/fs7744%2FNorns/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/fs7744","download_url":"https://codeload.github.com/fs7744/Norns/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":252320074,"owners_count":21729061,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["aop","aspect","netcore","roslyn"],"created_at":"2024-11-13T04:51:35.096Z","updated_at":"2025-05-04T10:30:59.807Z","avatar_url":"https://github.com/fs7744.png","language":"C#","funding_links":[],"categories":["C\\#"],"sub_categories":[],"readme":"# Norns\n\n[中文文档](doc/zh/README.md)\n\n## Goal\n\nThis a project to do static weaving and dynamic weaving.\n\n## Desgin\n\n### AOP base on proxy\n\n0. Generate proxy class type\n1. Replace type to proxy type for di\n2. Do aop in proxy class\n\n### Static weaving generate code base on [roslyn](https://github.com/dotnet/roslyn)\n\nThere is two way that we will try to support :\n\n#### AOT   (Norns.Skuld)\n\n\u003e experimental feature\n\n* use [source-generators](https://github.com/dotnet/roslyn/blob/master/docs/features/source-generators.md) to generator proxy class code \n\n`\n(ps: because source-generators not allow loading referenced assemblies now, so can't share package to other now. I will try to find way to fix this.)\n`\n\n#### JIT     (Norns.Verthandi)\n\n* use Reflection to generator proxy class code \n* use roslyn sdk to convert code to type\n\n```\nNot use this in production.\n\nRoslyn is so great, but if we just use it once before di, it seem wasting a lot of memory and cpu.\n\nActually we can do jit after generate dll to generate proxy dll, make the jit to aot after build.\n\nBut now there is source-generators.\n```\n\n### Dynamic weaving   Emit  (Norns.Urd)\n\n* Emit to generate proxy type\n\n\u003e (ps: this will begin after static weaving done)\n\n\n## How to use\n\n### JIT     (Norns.Verthandi)\n\n0. reference `Norns.Adapters.DependencyInjection`\n\n1. write InterceptorGenerator base on `AbstractInterceptorGenerator`\n\n```csharp\nusing Norns.Destiny.Structure;\nusing Norns.Destiny.AOP;\nusing Norns.Destiny.AOP.Notations;\nusing Norns.Destiny.Notations;\nusing System.Collections.Generic;\nusing System.Linq;\n\nnamespace Norns.Benchmark\n{\n    public class ConsoleCallMethodGenerator : AbstractInterceptorGenerator\n    {\n        public override IEnumerable\u003cINotation\u003e BeforeMethod(ProxyGeneratorContext context, IMethodSymbolInfo method)\n        {\n            typeof(System.Console).Name.ToString(); // just make sure load System.Console dll before jit generate code\n            if (!method.Parameters.IsEmpty)\n            {\n                yield return $\"System.Console.WriteLine($\\\"Call Method {method.Name} at {{System.DateTime.Now.ToString(\\\"yyyy-MM-dd HH:mm:ss.fff\\\")}} {method.Parameters.First().Type.FullName} {method.Parameters.First().Name} = {{{method.Parameters.First().Name}}}\".ToNotation();\n                foreach (var item in method.Parameters.Skip(1))\n                {\n                    yield return $\", {item.FullName} {item.Name} = {{{item.Name}}}\".ToNotation();\n                }\n                yield return \"\\\");\".ToNotation();\n            }\n        }\n\n        public override IEnumerable\u003cINotation\u003e AfterMethod(ProxyGeneratorContext context, IMethodSymbolInfo method)\n        {\n            if (method.HasReturnValue)\n            {\n                yield return $\"System.Console.WriteLine($\\\"return {{{context.GetReturnValueParameterName()}}} at {{System.DateTime.Now.ToString(\\\"yyyy-MM-dd HH:mm:ss.fff\\\")}}\\\");\".ToNotation();\n            }\n        }\n    }\n}\n```\n\n2. write interface \n\n```csharp\nusing System;\n\nnamespace Norns.Benchmark\n{\n    public interface IC\n    {\n        int AddOne(int v);\n\n        public int AddOne2(int v)\n        {\n            return v + 1;\n        }\n    }\n}\n```\n\n3. write class \n\n```csharp\npublic class C : IC\n{\n    public int AddOne(int v)\n    {\n        return v;\n    }\n}\n```\n\n4. set to DI\n\nif use asp.net core, just use `UseVerthandiAop` like :\n\n```csharp\npublic class Program\n{\n    public static void Main(string[] args)\n    {\n        CreateHostBuilder(args).Build().Run();\n    }\n\n    public static IHostBuilder CreateHostBuilder(string[] args) =\u003e\n        Host.CreateDefaultBuilder(args)\n        .UseVerthandiAop(new IInterceptorGenerator[] { new ConsoleCallMethodGenerator() })\n            .ConfigureWebHostDefaults(webBuilder =\u003e\n            {\n                webBuilder.UseStartup\u003cStartup\u003e();\n            });\n}\n```\n\nif not, you can try this :\n\n```csharp\ninternal class Program\n{\n    private static void Main(string[] args)\n    {\n        var p = new ServiceCollection()\n            .AddTransient\u003cIC, C\u003e()\n            .BuildVerthandiAopServiceProvider(new IInterceptorGenerator[] { new ConsoleCallMethodGenerator() })\n            .GetRequiredService\u003cIC\u003e();\n\n        var result = p.AddOne(99);\n        Console.WriteLine($\"p.AddOne(99) 's result is {result}.\");\n        Console.WriteLine();\n        result = p.AddOne2(1);\n        Console.WriteLine($\"p.AddOne2(1) 's result is {result}.\");\n\n        Console.ReadKey();\n    }\n}\n```\n\nresult :\n\n```shell\nCall Method AddOne at 2020-07-05 15:42:21.999 int v = 99\nreturn 99 at 2020-07-05 15:42:22.002\np.AddOne(99) 's result is 99.\n\nCall Method AddOne2 at 2020-07-05 15:42:22.003 int v = 1\nreturn 2 at 2020-07-05 15:42:22.003\np.AddOne2(1) 's result is 2.\n```\n\n### AOT   (Norns.Skuld)\n\nThere is Noting until source-generators can do this.\n\nBecause source-generators not allow loading referenced assemblies now, so can't share package to other, and i don't want to write the demo.\n\n### Emit  (Norns.Urd)\n\nwaiting to start\n\n## Plan \n\n- [ ] [Norns-JIT-Imporve](https://github.com/fs7744/Norns/projects/1)\n\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ffs7744%2FNorns","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Ffs7744%2FNorns","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ffs7744%2FNorns/lists"}