w3ss / hhvm.js

An implementation of Facebook's HipHop VM runtime in JavaScript.

hhvm.js

An implementation of Facebook's HipHop VM runtime in JavaScript.

Installation

hhvm.js is defined as a RequireJS module.

require([
        'hhvm'
    ], function(Hhvm) {
        var vm = new Hhvm();
        
        var myProgram = /* ... */;
        vm.program(myProgram);
        vm.run();
    }
);

Usage

To create and configure a new virtual machine:

var options = {
    outputHandler: function(str) { // Do something with the output }
};
var vm = new Hhvm(options);

Instructions

Use vm.hhbc to retrieve and execute HipHop bytecode instructions.

vm.hhbc.Int(); // Execute the Int instruction

console.log(vm.hhbc.Int.opcode); // 14
console.log(vm.hhbc.Int.mnemonic); // "Int"