parser = require("./bytecode-parser");
c0vm = require("./c0vm.js");
c0ffi = require("./c0ffi.js");

// console.log("Reading in sample bytecode file:");
// console.log(parser.getBytes("../test/test.bc0"));
// console.log("That was the sample bytecode file" +
//             " -- it probably took up your whole terminal screen.");
// var file = parser.parse("../test/test.bc0");
// console.log(file);
// console.log(file.function_pool[0].code);

// UI interaction functions

function print(arg) {
  // $("#output").append(arg);

  $("#output").val($("#output").val() + arg);
}

callbacks = c0ffi.default_callbacks;

// conio
callbacks[c0ffi.NATIVE_PRINT] = function(args) {
  print(args[0]);
  return 0;
}
callbacks[c0ffi.NATIVE_PRINTLN] = function(args) {
  print(args[0]);
  print("\n");
}
callbacks[c0ffi.NATIVE_PRINTBOOL] = function(args) {
  if (args[0])
    print("false");
  else
    print("true"); 
}
callbacks[c0ffi.NATIVE_PRINTCHAR] = function(args) {
  print(String.fromCharCode(args[0]));
}


callbacks[c0ffi.NATIVE_PRINTINT] = function(args) {
  print(args[0]);
  return 0;
}

console.log(callbacks);

$("#run").click(function() {
  var input = $("#bytecode").val().replace(/(\r\n|\n|\r)/gm,"");

  $("#output").val("");
  
  var file = parser.parse($("#bytecode").val());
  print(c0vm.execute(file, callbacks));
});