GLS - General Language Syntax

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A unified syntax that compiles into a number of OOP languages.

GLS is still under development. Don't expect everything to work!


GLS can be used as a command-line app or via import/require.


To convert file.gls to

npm install general-language-syntax gls-cli --global

gls --language Python file.gls

See gls-cli.


npm install general-language-syntax

import { Gls } from "general-language-syntax";

const gls = new Gls("C#");

// System.Console.WriteLine("Hello world!");
gls.convert([`print : ("Hello world!")`]);


GLS is just shy of 0.4.

Deliverable Version Description
C++ Compiler 0.1 Command-line GLS prototype, written in C++.
TypeScript Compiler draft 0.2 GLS compiler as a website, written in TypeScript.
TypeScript Compiler + C# Output 0.3 GLS compiler re-written in TypeScript. Near-working C#, Java, JavaScript, Python, Ruby, and TypeScript output.
Roundtripping Feature Complete 0.4 All features required for roundtripping implemented. Working C# and TypeScript output. Near-working Java, JavaScript, Python, and Ruby output.
Full Language Outputs 0.5 Working C#, Java, JavaScript, Ruby, Python, and TypeScript output.
Powershell, PHP, Misc. 0.6 Onboard or reject those languages and other possibilities.
Language Specification Finalized 0.7 Finalized language spec & cleaned internals of code.
General Release 1.0 Public announcement, glory to everyone. Switched to a better name.


If you'd like to contribute to GLS, see

Requires Node >=8

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