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1# YueScript 1# YueScript
2 2
3<img src="doc/docs/.vitepress/public/image/yuescript.png" width="300" height="300" alt="logo"/> 3<img src="doc/docs/.vitepress/public/image/yuescript.png" width="300" height="300" alt="YueScript logo"/>
4 4
5[![IppClub](https://img.shields.io/badge/IppClub-Certified-11A7E2?logo=data%3Aimage%2Fsvg%2Bxml%3Bcharset%3Dutf-8%3Bbase64%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%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%2BPHBhdGggZD0ibTEyNCAxMDAgMjItNDEgMTIgMjctMzQgMTRaIiBzdHlsZT0iZmlsbDojNGUyNzVhO2ZpbGwtcnVsZTpub256ZXJvIi8%2BPHBhdGggZD0ibTEwNiA2MCA0MS0xLTIzIDQxLTE4LTQwWiIgc3R5bGU9ImZpbGw6IzdiMTI4NTtmaWxsLXJ1bGU6bm9uemVybyIvPjxwYXRoIGQ9Im0xMDggMjA0IDMxLTQ4aC0zMXY0OFoiIHN0eWxlPSJmaWxsOiNiYTAwNzc7ZmlsbC1ydWxlOm5vbnplcm8iLz48cGF0aCBkPSJtNjUgMjc0IDMzLTUySDBsNjUgNTJaIiBzdHlsZT0iZmlsbDojZWY3YTAwO2ZpbGwtcnVsZTpub256ZXJvIi8%2BPHBhdGggZD0iTTc3IDI3NGg2N2wtNDAtNDUtMjcgNDVaIiBzdHlsZT0iZmlsbDojYTgxZTI0O2ZpbGwtcnVsZTpub256ZXJvIi8%2BPHBhdGggZD0iTTE2NyAyMjJoNThsLTM0IDUyLTI0LTUyWiIgc3R5bGU9ImZpbGw6IzExYTdlMjtmaWxsLXJ1bGU6bm9uemVybyIvPjxwYXRoIGQ9Im0yNzAgMjc0LTQ0LTUyLTM1IDUyaDc5WiIgc3R5bGU9ImZpbGw6IzA1N2NiNztmaWxsLXJ1bGU6bm9uemVybyIvPjxwYXRoIGQ9Ik0yNzUgNTVoLTU3VjBoMjV2MzFoMzJ2MjRaIiBzdHlsZT0iZmlsbDojZGUwMDVkO2ZpbGwtcnVsZTpub256ZXJvIi8%2BPHBhdGggZD0iTTE4NSAzMWg1N3Y1NWgtMjVWNTVoLTMyVjMxWiIgc3R5bGU9ImZpbGw6I2M1MTgxZjtmaWxsLXJ1bGU6bm9uemVybyIvPjwvc3ZnPg%3D%3D&labelColor=fff)](https://ippclub.org) [![Ubuntu](https://github.com/pigpigyyy/Yuescript/actions/workflows/ubuntu.yml/badge.svg)](https://github.com/pigpigyyy/Yuescript/actions/workflows/ubuntu.yml) [![Windows](https://github.com/pigpigyyy/Yuescript/actions/workflows/windows.yml/badge.svg)](https://github.com/pigpigyyy/Yuescript/actions/workflows/windows.yml) [![macOS](https://github.com/pigpigyyy/Yuescript/actions/workflows/macos.yml/badge.svg)](https://github.com/pigpigyyy/Yuescript/actions/workflows/macos.yml) [![Discord Badge](https://img.shields.io/discord/844031511208001577?color=5865F2&label=Discord&logo=discord&logoColor=white&style=flat-square)](https://discord.gg/cRJ2VAm2NV) 5[![IppClub](https://img.shields.io/badge/IppClub-Certified-11A7E2?logo=data%3Aimage%2Fsvg%2Bxml%3Bcharset%3Dutf-8%3Bbase64%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%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%2BPHBhdGggZD0ibTEyNCAxMDAgMjItNDEgMTIgMjctMzQgMTRaIiBzdHlsZT0iZmlsbDojNGUyNzVhO2ZpbGwtcnVsZTpub256ZXJvIi8%2BPHBhdGggZD0ibTEwNiA2MCA0MS0xLTIzIDQxLTE4LTQwWiIgc3R5bGU9ImZpbGw6IzdiMTI4NTtmaWxsLXJ1bGU6bm9uemVybyIvPjxwYXRoIGQ9Im0xMDggMjA0IDMxLTQ4aC0zMXY0OFoiIHN0eWxlPSJmaWxsOiNiYTAwNzc7ZmlsbC1ydWxlOm5vbnplcm8iLz48cGF0aCBkPSJtNjUgMjc0IDMzLTUySDBsNjUgNTJaIiBzdHlsZT0iZmlsbDojZWY3YTAwO2ZpbGwtcnVsZTpub256ZXJvIi8%2BPHBhdGggZD0iTTc3IDI3NGg2N2wtNDAtNDUtMjcgNDVaIiBzdHlsZT0iZmlsbDojYTgxZTI0O2ZpbGwtcnVsZTpub256ZXJvIi8%2BPHBhdGggZD0iTTE2NyAyMjJoNThsLTM0IDUyLTI0LTUyWiIgc3R5bGU9ImZpbGw6IzExYTdlMjtmaWxsLXJ1bGU6bm9uemVybyIvPjxwYXRoIGQ9Im0yNzAgMjc0LTQ0LTUyLTM1IDUyaDc5WiIgc3R5bGU9ImZpbGw6IzA1N2NiNztmaWxsLXJ1bGU6bm9uemVybyIvPjxwYXRoIGQ9Ik0yNzUgNTVoLTU3VjBoMjV2MzFoMzJ2MjRaIiBzdHlsZT0iZmlsbDojZGUwMDVkO2ZpbGwtcnVsZTpub256ZXJvIi8%2BPHBhdGggZD0iTTE4NSAzMWg1N3Y1NWgtMjVWNTVoLTMyVjMxWiIgc3R5bGU9ImZpbGw6I2M1MTgxZjtmaWxsLXJ1bGU6bm9uemVybyIvPjwvc3ZnPg%3D%3D&labelColor=fff)](https://ippclub.org) [![Ubuntu](https://github.com/pigpigyyy/Yuescript/actions/workflows/ubuntu.yml/badge.svg)](https://github.com/pigpigyyy/Yuescript/actions/workflows/ubuntu.yml) [![Windows](https://github.com/pigpigyyy/Yuescript/actions/workflows/windows.yml/badge.svg)](https://github.com/pigpigyyy/Yuescript/actions/workflows/windows.yml) [![macOS](https://github.com/pigpigyyy/Yuescript/actions/workflows/macos.yml/badge.svg)](https://github.com/pigpigyyy/Yuescript/actions/workflows/macos.yml) [![Discord Badge](https://img.shields.io/discord/844031511208001577?color=5865F2&label=Discord&logo=discord&logoColor=white&style=flat-square)](https://discord.gg/cRJ2VAm2NV)
6 6
7YueScript is a MoonScript dialect. It is derived from [MoonScript language](https://github.com/leafo/moonscript) 0.5.0 and continuously adopting new features to be more up to date. 7YueScript is a MoonScript dialect that compiles to Lua. It is derived from [MoonScript](https://github.com/leafo/moonscript) `0.5.0` and continues to adopt new features to stay up to date.
8 8
9MoonScript is a language that compiles to Lua. Since original MoonScript has been used to write web framework [lapis](https://github.com/leafo/lapis) and run a few business web sites like [itch.io](https://itch.io) and [streak.club](https://streak.club) with some large code bases. The original language is getting too hard to adopt new features for those may break the stablility for existing applications. 9## Quick Links
10 10
11So YueScript is a new code base for pushing the language to go forward and being a playground to try introducing new language syntax or programing paradigms to make MoonScript language more expressive and productive. 11- Website: <https://yuescript.org>
12- Documentation: <https://yuescript.org/doc>
13- Changelog: [`CHANGELOG.md`](./CHANGELOG.md)
14- Discord: <https://discord.gg/cRJ2VAm2NV>
12 15
13Yue (月) is the name of moon in Chinese and it's pronounced as [jyɛ]. 16## Overview
14 17
18MoonScript has been used to build real-world projects such as [Lapis](https://github.com/leafo/lapis), [itch.io](https://itch.io), and [streak.club](https://streak.club). As the original implementation became harder to evolve without risking compatibility, YueScript was created as a modernized code base for pushing the language forward.
15 19
20YueScript is both a production-ready compiler and a playground for exploring new syntax and programming paradigms that make MoonScript-style development more expressive and productive.
21
22Yue (月) is the Chinese word for moon and is pronounced [jyɛ].
16 23
17## About Dora SSR 24## About Dora SSR
18 25
19YueScript is being developed and maintained alongside the open-source game engine [Dora SSR](https://github.com/ippclub/Dora-SSR). It has been used to create engine tools, game demos and prototypes, validating its capabilities in real-world scenarios while enhancing the Dora SSR development experience. 26YueScript is being developed and maintained alongside the open-source game engine [Dora SSR](https://github.com/ippclub/Dora-SSR). It has been used to create engine tools, game demos and prototypes, validating its capabilities in real-world scenarios while enhancing the Dora SSR development experience.
20 27
21
22
23## Features 28## Features
24 29
25* Based on modified [parserlib](https://github.com/axilmar/parserlib) library from Achilleas Margaritis with some performance enhancement. **lpeg** library is no longer needed. 30- Based on a modified [parserlib](https://github.com/axilmar/parserlib) with performance enhancements. `lpeg` is no longer required.
26* Written in C++17. 31- Written in C++17.
27* Support most of the features from MoonScript language. Generate Lua codes in the same way like the original compiler. 32- Supports most MoonScript features and generates Lua code in a style compatible with the original compiler.
28* Reserve line numbers from source file in the compiled Lua codes to help debugging. 33- Preserves source line numbers in generated Lua to improve debugging.
29* More features like macro, existential operator, pipe operator, Javascript-like export syntax and etc. 34- Adds features like macros, existential operator, pipe operator, JavaScript-like export syntax, and more.
30* See other details in the [changelog](./CHANGELOG.md). Find document [here](http://yuescript.org). 35- See [`CHANGELOG.md`](./CHANGELOG.md) for more details.
31
32
33 36
34## Installation & Usage 37## Installation
35 38
36* **Lua Module** 39### Lua Module
37 40
38&emsp;&emsp;Build `yue.so` file with 41Build `yue.so` with:
39 42
40```sh 43```sh
41> make shared LUAI=/usr/local/include/lua LUAL=/usr/local/lib/lua 44> make shared LUAI=/usr/local/include/lua LUAL=/usr/local/lib/lua
42``` 45```
43 46
44&emsp;&emsp;Then get the binary file from path `bin/shared/yue.so`. 47Then get the binary file from `bin/shared/yue.so`.
45 48
46&emsp;&emsp;Or you can install [luarocks](https://luarocks.org), a package manager for Lua modules. Then install it as a Lua module with 49Or install via [LuaRocks](https://luarocks.org):
47 50
48```sh 51```sh
49> luarocks install yuescript 52> luarocks install yuescript
50``` 53```
51 54
52&emsp;&emsp;Then require the YueScript module in Lua: 55Then require the YueScript module in Lua:
53 56
54```lua 57```lua
55require("yue")("main") -- require `main.yue` 58require("yue")("main") -- require `main.yue`
@@ -65,26 +68,27 @@ f!
65}) 68})
66``` 69```
67 70
71### Binary Tool (CLI)
68 72
73Clone this repo, then build and install executable with:
69 74
70* **Binary Tool**
71
72&emsp;&emsp;Clone this repo, then build and install executable with:
73```sh 75```sh
74> make install 76> make install
75``` 77```
76 78
77&emsp;&emsp;Build YueScript tool without macro feature: 79Build YueScript tool without macro feature:
80
78```sh 81```sh
79> make install NO_MACRO=true 82> make install NO_MACRO=true
80``` 83```
81 84
82&emsp;&emsp;Build YueScript tool without built-in Lua binary: 85Build YueScript tool without built-in Lua binary:
86
83```sh 87```sh
84> make install NO_LUA=true 88> make install NO_LUA=true
85``` 89```
86 90
87&emsp;&emsp;Use YueScript tool with: 91Use YueScript tool with:
88 92
89```sh 93```sh
90> yue -h 94> yue -h
@@ -131,24 +135,29 @@ Options:
131 in a single line to start/stop multi-line mode 135 in a single line to start/stop multi-line mode
132``` 136```
133 137
134Use cases: 138### Common Usage
135 139
136* Recursively compile every YueScript file with extension `.yue` under current path: `yue .` 140- Recursively compile every YueScript file with extension `.yue` under current path: `yue .`
137* Compile and save results to a target path: `yue -t /target/path/ .` 141- Compile and save results to a target path: `yue -t /target/path/ .`
138* Compile and reserve debug info: `yue -l .` 142- Compile and reserve debug info: `yue -l .`
139* Compile and generate minified codes: `yue -m .` 143- Compile and generate minified codes: `yue -m .`
140* Execute raw codes: `yue -e 'print 123'` 144- Execute raw codes: `yue -e 'print 123'`
141* Execute a YueScript file: `yue -e main.yue` 145- Execute a YueScript file: `yue -e main.yue`
142 146
147## Mascot (Xiaoyu / 小玉)
143 148
149<img src="doc/docs/.vitepress/public/image/mascot/electrichearts_20260211A_yuescript_xiaoyu.png" width="420" alt="Xiaoyu, the YueScript mascot"/>
144 150
145## Editor Support 151Xiaoyu (小玉) is YueScript's official mascot, a cyber rabbit often seen perched on a crescent moon and coding on a laptop.
146 152
147* [Vim](https://github.com/pigpigyyy/YueScript-vim) 153- English page: [here](https://yuescript.org/doc/extras/mascot.html)
148* [ZeroBraneStudio](https://github.com/pkulchenko/ZeroBraneStudio/issues/1134) (Syntax highlighting) 154- Artwork by [Tyson Tan](https://tysontan.com)
149* [Visual Studio Code](https://github.com/pigpigyyy/yuescript-vscode)
150 155
156## Editor Support
151 157
158- [Vim](https://github.com/pigpigyyy/YueScript-vim)
159- [ZeroBraneStudio](https://github.com/pkulchenko/ZeroBraneStudio/issues/1134) (Syntax highlighting)
160- [Visual Studio Code](https://github.com/pigpigyyy/yuescript-vscode)
152 161
153## License 162## License
154 163
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2026-06-02 19:02:18 +0000