// CodeMirror, copyright (c) by Marijn Haverbeke and others

// Distributed under an MIT license: http://codemirror.net/LICENSE



// declare global: tern, server



var server;



this.onmessage = function(e) {

  var data = e.data;

  switch (data.type) {

  case "init": return startServer(data.defs, data.plugins, data.scripts);

  case "add": return server.addFile(data.name, data.text);

  case "del": return server.delFile(data.name);

  case "req": return server.request(data.body, function(err, reqData) {

    postMessage({id: data.id, body: reqData, err: err && String(err)});

  });

  case "getFile":

    var c = pending[data.id];

    delete pending[data.id];

    return c(data.err, data.text);

  default: throw new Error("Unknown message type: " + data.type);

  }

};



var nextId = 0, pending = {};

function getFile(file, c) {

  postMessage({type: "getFile", name: file, id: ++nextId});

  pending[nextId] = c;

}



function startServer(defs, plugins, scripts) {

  if (scripts) importScripts.apply(null, scripts);



  server = new tern.Server({

    getFile: getFile,

    async: true,

    defs: defs,

    plugins: plugins

  });

}



this.console = {

  log: function(v) { postMessage({type: "debug", message: v}); }

};

