Golang to Mozilla AST Tree Parse Transform

Goal:

Make Golang usable for online editors and live code teaching platforms like Code School and Code Combat.

Prerequisites:

Go: Download from official go website: http://golang.org/

Go2js: A project compiling Golang to JS with line to line (The line number in .go file matches with .js file) matching

Esprima: Build JS AST for the generated JS code.

Usage:

Node.js

  var go2js = require("node-go2js");

  //Wrap erlang code with: 
  //"-module(tmp).\n-compile({parse_transform, shen}).\n-compile(export_all).\n-js([start/0]).\nstart() ->\n";
  go2js.wrap(code, function(ast) {
        //ast: the js obj holding the AST tree
  });

  //You can also set optional import standard lib names to avoid compile-time errors
  go2js.wrap(code, ["fmt", "math"], function(ast) {
        //ast: the js obj holding the AST tree
  });

  //Parse complete erlang code
  go2js.parse(code, function(ast) {
        //ast: the js obj holding the AST tree
  });

Commandline Options:

-h, --help           Output usage information
-V, --version        Output the version number
-t, --ast            Output JS ast tree
-o, --output <file>  Output to a JS file to custom location

Install

Run npm install node-go2js -g

Not implemented

• Range with index [startOf, endOf]
• The multiple assignment has different order of preference than in JS (functionInverse in "testdata/func.go" fails due this issue).
• Evaluation of constants.
• Shadow variables in JS.
• Goroutines.
• Types int64 and complex.

Built With

• go
• javascript