path: root/src/jsifier.js

//"use strict";

// Convert analyzed data to javascript. Everything has already been calculated
// before this stage, which just does the final conversion to JavaScript.

// Handy sets

var STRUCT_LIST = set('struct', 'list');
var UNDERSCORE_OPENPARENS = set('_', '(');
var RELOOP_IGNORED_LASTS = set('return', 'unreachable', 'resume');

var addedLibraryItems = {};

// JSifier
function JSify(data, functionsOnly, givenFunctions) {
  var mainPass = !functionsOnly;

  if (mainPass) {
    var shellFile = SHELL_FILE ? SHELL_FILE : (BUILD_AS_SHARED_LIB ? 'shell_sharedlib.js' : 'shell.js');

    if (phase == 'pre') {
      // We will start to print out the data, but must do so carefully - we are
      // dealing with potentially *huge* strings. Convenient replacements and
      // manipulations may create in-memory copies, and we may OOM.
      //
      // Final shape that will be created:
      //    shell
      //      (body)
      //        preamble
      //          runtime
      //        generated code
      //        postamble
      //          global_vars
      //
      // First, we print out everything until the generated code. Then the
      // functions will print themselves out as they are parsed. Finally, we
      // will call finalCombiner in