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oxfeeefeee / goscript Public

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Go specs implemented as a scripting language in Rust.

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"break" for "select" stmt
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fix parser of select stmt
Sep 17, 2021
types
clean up
Sep 2, 2021
vm
fix 'default' for 'select' stmt
Sep 18, 2021
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[                    ]
Goscript The Goal How do I try Use Cases Rationale Implementation
Progress Get in touch

README.md

 Goscript

A script language like Python or Lua written in Rust, with exactly
the same syntax as Go's.

 The Goal

  * Runs most pure Go code, probably add some dynamic features if
    requested.

 How do I try

The project "engine" is the entry/wrapper. there are test cases in
here to browse through.

  * Make sure your Rust installation is up to date.
  * Clone this repository.
  * Go to goscript/engine
  * Run cargo test -- --nocapture

 Use Cases

  * As an embedded language like Lua.
  * As a glue language like Python.

 Rationale

  * A scripting language that can be embedded in Rust.
  * Go is popular and easy(even as a scripting language), why invent
    new grammars?
  * In some cases, when your project gets big:
      + If Go were an embedded language it would be better than Lua.
      + If Go were a glue language it would be better than Python, in
        terms of project maintainability.
  * I found a new hammer(Rust) that I like, and decided to use it on
    a nail(Go) that I like.

 Implementation

  * There are five projects:
      + parser -- a port of the official implementation that comes
        with the Go installer.
      + type checker -- a port of the official implementation that
        comes with the Go installer.
      + codegen -- generates the bytecode.
      + vm -- runs the bytecode.
      + engine -- the wrapper.

 Progress

  * Language: Feature complete (except the features that are so
    insignificant that I forgot -_-) Some of the features are,
    probably for the first time, implemented in a script language,
    like Select/Defer/Pointer/Interface/Struct.
  * Standard library: just got started.
  * Production readiness: far from. The parser and the type checker
    are probably ok because they were ported and passes the test
    cases comes with the original code. The backend has a lot of
    rough edges, and we need much more test cases.
  * Next step: no new features for now, polish then work on the
    standard library.

 Get in touch

  * email: pb01005051 at Gmail.
  * wechat: oxfeeefeee

About

Go specs implemented as a scripting language in Rust.

Topics

python rust golang parser vm lua scripting-language 
programing-language

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Readme

License

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Contributors 3

  * @oxfeeefeee oxfeeefeee
  * @MakotoE MakotoE Makoto
  * @NNBnh NNBnh NNB

Languages

  * Rust 93.6%
  * Go 6.4%

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