How to write reflection for C++

• jackson-databind

  11 3,454 9.7 Java

  General data-binding package for Jackson (2.x): works on streaming API (core) implementation(s)

  

In C#, Newtonsoft Json has similar functionality, and in Java — Jackson2 ObjectMapper.

• easy_reflection_cpp

  1 88 8.1 C++

  Reflection brings the best way to serialize/deserialize json and yaml in C++

The first entity we need is Var. The name implies that it's something variable-like. Var stores:

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• Inja

  8 1,532 4.2 C++

  A Template Engine for Modern C++

Also, we need to somehow generate code based on the collected information. Template engines like go template, mustache, jinja, etc. are great for this. We'll write only a couple of templates, on which we'll generate hundreds of new source code files. I decided to use inja in this project. It's a sort of C++ port on jinja for Python.

• boost

  17 1 10.0 C++

  My personal boost mirror to be submoduled by my projects (by darwin)

rich standard library and Boost;

• simdjson

  65 18,362 9.2 C++

  Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks

  

Serialization's performance is about the same as that of rapid_json. For deserialization, I wrote JSON and YAML parsers using a lexer. Unfortunately, I'm just a code monkey and not an algorithms guru. So, the native parser is a bit quicker than nlohmann::json, but slower than rapid_json. Nevertheless, using simdjson as a parser allows us to outrun rapid_json a little.

• serde

  191 8,558 9.2 Rust

  Serialization framework for Rust

  

It's time to tell a little bit about Rust. It has a lot in common with C++. It is built on llvm (C++ compiler toolkit), it does not have a garbage collector, and it also does not support reflection. But nevertheless, he has a very cool serde, which is not inferior to solutions from other languages.

• mustache.js

  49 16,259 0.0 JavaScript

  Minimal templating with {{mustaches}} in JavaScript

Also, we need to somehow generate code based on the collected information. Template engines like go template, mustache, jinja, etc. are great for this. We'll write only a couple of templates, on which we'll generate hundreds of new source code files. I decided to use inja in this project. It's a sort of C++ port on jinja for Python.

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• llvm-project

  349 25,451 10.0 C++

  The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.

  

It's time to tell a little bit about Rust. It has a lot in common with C++. It is built on llvm (C++ compiler toolkit), it does not have a garbage collector, and it also does not support reflection. But nevertheless, he has a very cool serde, which is not inferior to solutions from other languages.

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