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From r...@apache.org
Subject [30/51] [abbrv] [partial] incubator-hawq git commit: HAWQ-735. Import thrift-0.9.3 into depends/thirdparty/thrift folder
Date Wed, 18 May 2016 02:50:43 GMT
http://git-wip-us.apache.org/repos/asf/incubator-hawq/blob/d709f67d/depends/thirdparty/thrift/compiler/cpp/src/generate/t_js_generator.cc
----------------------------------------------------------------------
diff --git a/depends/thirdparty/thrift/compiler/cpp/src/generate/t_js_generator.cc b/depends/thirdparty/thrift/compiler/cpp/src/generate/t_js_generator.cc
new file mode 100644
index 0000000..c348774
--- /dev/null
+++ b/depends/thirdparty/thrift/compiler/cpp/src/generate/t_js_generator.cc
@@ -0,0 +1,2179 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include <map>
+#include <string>
+#include <fstream>
+#include <iostream>
+#include <vector>
+#include <list>
+
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <sstream>
+#include "platform.h"
+#include "version.h"
+
+using std::map;
+using std::ofstream;
+using std::ostringstream;
+using std::string;
+using std::stringstream;
+using std::vector;
+
+static const string endl = "\n"; // avoid ostream << std::endl flushes
+
+#include "t_oop_generator.h"
+
+
+/**
+ * JS code generator.
+ */
+class t_js_generator : public t_oop_generator {
+public:
+  t_js_generator(t_program* program,
+                 const std::map<std::string, std::string>& parsed_options,
+                 const std::string& option_string)
+    : t_oop_generator(program) {
+    (void)option_string;
+
+    std::map<std::string, std::string>::const_iterator iter;
+
+    iter = parsed_options.find("node");
+    gen_node_ = (iter != parsed_options.end());
+
+    iter = parsed_options.find("jquery");
+    gen_jquery_ = (iter != parsed_options.end());
+
+    if (!gen_node_) {
+      iter = parsed_options.find("ts");
+      gen_ts_ = (iter != parsed_options.end());
+    } else {
+      gen_ts_ = false;
+    }
+
+    if (gen_node_ && gen_jquery_) {
+      throw "Invalid switch: [-gen js:node,jquery] options not compatible, try: [-gen js:node -gen "
+            "js:jquery]";
+    }
+
+    if (gen_node_) {
+      out_dir_base_ = "gen-nodejs";
+    } else {
+      out_dir_base_ = "gen-js";
+    }
+
+    escape_['\''] = "\\'";
+  }
+
+  /**
+   * Init and close methods
+   */
+
+  void init_generator();
+  void close_generator();
+
+  /**
+   * Program-level generation functions
+   */
+
+  void generate_typedef(t_typedef* ttypedef);
+  void generate_enum(t_enum* tenum);
+  void generate_const(t_const* tconst);
+  void generate_struct(t_struct* tstruct);
+  void generate_xception(t_struct* txception);
+  void generate_service(t_service* tservice);
+
+  std::string render_recv_throw(std::string var);
+  std::string render_recv_return(std::string var);
+
+  std::string render_const_value(t_type* type, t_const_value* value);
+
+  /**
+   * Structs!
+   */
+  void generate_js_struct(t_struct* tstruct, bool is_exception);
+  void generate_js_struct_definition(std::ofstream& out,
+                                     t_struct* tstruct,
+                                     bool is_xception = false,
+                                     bool is_exported = true);
+  void generate_js_struct_reader(std::ofstream& out, t_struct* tstruct);
+  void generate_js_struct_writer(std::ofstream& out, t_struct* tstruct);
+  void generate_js_function_helpers(t_function* tfunction);
+
+  /**
+   * Service-level generation functions
+   */
+  void generate_service_helpers(t_service* tservice);
+  void generate_service_interface(t_service* tservice);
+  void generate_service_rest(t_service* tservice);
+  void generate_service_client(t_service* tservice);
+  void generate_service_processor(t_service* tservice);
+  void generate_process_function(t_service* tservice, t_function* tfunction);
+
+  /**
+   * Serialization constructs
+   */
+
+  void generate_deserialize_field(std::ofstream& out,
+                                  t_field* tfield,
+                                  std::string prefix = "",
+                                  bool inclass = false);
+
+  void generate_deserialize_struct(std::ofstream& out, t_struct* tstruct, std::string prefix = "");
+
+  void generate_deserialize_container(std::ofstream& out, t_type* ttype, std::string prefix = "");
+
+  void generate_deserialize_set_element(std::ofstream& out, t_set* tset, std::string prefix = "");
+
+  void generate_deserialize_map_element(std::ofstream& out, t_map* tmap, std::string prefix = "");
+
+  void generate_deserialize_list_element(std::ofstream& out,
+                                         t_list* tlist,
+                                         std::string prefix = "");
+
+  void generate_serialize_field(std::ofstream& out, t_field* tfield, std::string prefix = "");
+
+  void generate_serialize_struct(std::ofstream& out, t_struct* tstruct, std::string prefix = "");
+
+  void generate_serialize_container(std::ofstream& out, t_type* ttype, std::string prefix = "");
+
+  void generate_serialize_map_element(std::ofstream& out,
+                                      t_map* tmap,
+                                      std::string kiter,
+                                      std::string viter);
+
+  void generate_serialize_set_element(std::ofstream& out, t_set* tmap, std::string iter);
+
+  void generate_serialize_list_element(std::ofstream& out, t_list* tlist, std::string iter);
+
+  /**
+   * Helper rendering functions
+   */
+
+  std::string js_includes();
+  std::string render_includes();
+  std::string declare_field(t_field* tfield, bool init = false, bool obj = false);
+  std::string function_signature(t_function* tfunction,
+                                 std::string prefix = "",
+                                 bool include_callback = false);
+  std::string argument_list(t_struct* tstruct, bool include_callback = false);
+  std::string type_to_enum(t_type* ttype);
+
+  std::string autogen_comment() {
+    return std::string("//\n") + "// Autogenerated by Thrift Compiler (" + THRIFT_VERSION + ")\n"
+           + "//\n" + "// DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING\n"
+           + "//\n";
+  }
+
+  t_type* get_contained_type(t_type* t);
+
+  std::vector<std::string> js_namespace_pieces(t_program* p) {
+    std::string ns = p->get_namespace("js");
+
+    std::string::size_type loc;
+    std::vector<std::string> pieces;
+
+    if (ns.size() > 0) {
+      while ((loc = ns.find(".")) != std::string::npos) {
+        pieces.push_back(ns.substr(0, loc));
+        ns = ns.substr(loc + 1);
+      }
+    }
+
+    if (ns.size() > 0) {
+      pieces.push_back(ns);
+    }
+
+    return pieces;
+  }
+
+  std::string js_type_namespace(t_program* p) {
+    if (gen_node_) {
+      if (p != NULL && p != program_) {
+        return p->get_name() + "_ttypes.";
+      }
+      return "ttypes.";
+    }
+    return js_namespace(p);
+  }
+
+  std::string js_export_namespace(t_program* p) {
+    if (gen_node_) {
+      return "exports.";
+    }
+    return js_namespace(p);
+  }
+
+  std::string js_namespace(t_program* p) {
+    std::string ns = p->get_namespace("js");
+    if (ns.size() > 0) {
+      ns += ".";
+    }
+
+    return ns;
+  }
+
+  /**
+   * TypeScript Definition File helper functions
+   */
+
+  string ts_function_signature(t_function* tfunction, bool include_callback);
+  string ts_get_type(t_type* type);
+
+  /**
+   * Special indentation for TypeScript Definitions because of the module.
+   * Returns the normal indentation + "  " if a module was defined.
+   * @return string
+   */
+  string ts_indent() { return indent() + (!ts_module_.empty() ? "  " : ""); }
+
+  /**
+   * Returns "declare " if no module was defined.
+   * @return string
+   */
+  string ts_declare() { return (ts_module_.empty() ? "declare " : ""); }
+
+  /**
+   * Returns "?" if the given field is optional.
+   * @param t_field The field to check
+   * @return string
+   */
+  string ts_get_req(t_field* field) { return (field->get_req() == t_field::T_OPTIONAL ? "?" : ""); }
+
+  /**
+   * Returns the documentation, if the provided documentable object has one.
+   * @param t_doc The object to get the documentation from
+   * @return string The documentation
+   */
+  string ts_print_doc(t_doc* tdoc) {
+    string result = endl;
+
+    if (tdoc->has_doc()) {
+      std::stringstream doc(tdoc->get_doc());
+      string item;
+
+      result += ts_indent() + "/**" + endl;
+      while (std::getline(doc, item)) {
+        result += ts_indent() + " * " + item + endl;
+      }
+      result += ts_indent() + " */" + endl;
+    }
+    return result;
+  }
+
+private:
+  /**
+   * True if we should generate NodeJS-friendly RPC services.
+   */
+  bool gen_node_;
+
+  /**
+   * True if we should generate services that use jQuery ajax (async/sync).
+   */
+  bool gen_jquery_;
+
+  /**
+   * True if we should generate a TypeScript Definition File for each service.
+   */
+  bool gen_ts_;
+
+  /**
+   * The name of the defined module(s), for TypeScript Definition Files.
+   */
+  string ts_module_;
+
+  /**
+   * File streams
+   */
+  std::ofstream f_types_;
+  std::ofstream f_service_;
+  std::ofstream f_types_ts_;
+  std::ofstream f_service_ts_;
+};
+
+/**
+ * Prepares for file generation by opening up the necessary file output
+ * streams.
+ *
+ * @param tprogram The program to generate
+ */
+void t_js_generator::init_generator() {
+  // Make output directory
+  MKDIR(get_out_dir().c_str());
+
+  string outdir = get_out_dir();
+
+  // Make output file(s)
+  string f_types_name = outdir + program_->get_name() + "_types.js";
+  f_types_.open(f_types_name.c_str());
+
+  if (gen_ts_) {
+    string f_types_ts_name = outdir + program_->get_name() + "_types.d.ts";
+    f_types_ts_.open(f_types_ts_name.c_str());
+  }
+
+  // Print header
+  f_types_ << autogen_comment() << js_includes() << endl << render_includes() << endl;
+
+  if (gen_ts_) {
+    f_types_ts_ << autogen_comment() << endl;
+  }
+
+  if (gen_node_) {
+    f_types_ << "var ttypes = module.exports = {};" << endl;
+  }
+
+  string pns;
+
+  // setup the namespace
+  // TODO should the namespace just be in the directory structure for node?
+  vector<string> ns_pieces = js_namespace_pieces(program_);
+  if (ns_pieces.size() > 0) {
+    for (size_t i = 0; i < ns_pieces.size(); ++i) {
+      pns += ((i == 0) ? "" : ".") + ns_pieces[i];
+      f_types_ << "if (typeof " << pns << " === 'undefined') {" << endl;
+      f_types_ << "  " << pns << " = {};" << endl;
+      f_types_ << "}" << endl;
+    }
+    if (gen_ts_) {
+      ts_module_ = pns;
+      f_types_ts_ << "declare module " << ts_module_ << " {";
+    }
+  }
+}
+
+/**
+ * Prints standard js imports
+ */
+string t_js_generator::js_includes() {
+  if (gen_node_) {
+    return string(
+        "var thrift = require('thrift');\n"
+        "var Thrift = thrift.Thrift;\n"
+        "var Q = thrift.Q;\n");
+  }
+
+  return "";
+}
+
+/**
+ * Renders all the imports necessary for including another Thrift program
+ */
+string t_js_generator::render_includes() {
+  string result = "";
+
+  if (gen_node_) {
+    const vector<t_program*>& includes = program_->get_includes();
+    for (size_t i = 0; i < includes.size(); ++i) {
+      result += "var " + includes[i]->get_name() + "_ttypes = require('./" + includes[i]->get_name()
+                + "_types')\n";
+    }
+    if (includes.size() > 0) {
+      result += "\n";
+    }
+  }
+
+  return result;
+}
+
+/**
+ * Close up (or down) some filez.
+ */
+void t_js_generator::close_generator() {
+  // Close types file(s)
+
+  f_types_.close();
+
+  if (gen_ts_) {
+    if (!ts_module_.empty()) {
+      f_types_ts_ << "}";
+    }
+    f_types_ts_.close();
+  }
+}
+
+/**
+ * Generates a typedef. This is not done in JS, types are all implicit.
+ *
+ * @param ttypedef The type definition
+ */
+void t_js_generator::generate_typedef(t_typedef* ttypedef) {
+  (void)ttypedef;
+}
+
+/**
+ * Generates code for an enumerated type. Since define is expensive to lookup
+ * in JS, we use a global array for this.
+ *
+ * @param tenum The enumeration
+ */
+void t_js_generator::generate_enum(t_enum* tenum) {
+  f_types_ << js_type_namespace(tenum->get_program()) << tenum->get_name() << " = {" << endl;
+
+  if (gen_ts_) {
+    f_types_ts_ << ts_print_doc(tenum) << ts_indent() << ts_declare() << "enum "
+                << tenum->get_name() << " {" << endl;
+  }
+
+  indent_up();
+
+  vector<t_enum_value*> constants = tenum->get_constants();
+  vector<t_enum_value*>::iterator c_iter;
+  for (c_iter = constants.begin(); c_iter != constants.end(); ++c_iter) {
+    int value = (*c_iter)->get_value();
+    if (gen_ts_) {
+      f_types_ts_ << ts_indent() << (*c_iter)->get_name() << " = " << value << "," << endl;
+      // add 'value: key' in addition to 'key: value' for TypeScript enums
+      f_types_ << indent() << "'" << value << "' : '" << (*c_iter)->get_name() << "'," << endl;
+    }
+    f_types_ << indent() << "'" << (*c_iter)->get_name() << "' : " << value;
+    if (c_iter != constants.end() - 1) {
+      f_types_ << ",";
+    }
+    f_types_ << endl;
+  }
+
+  indent_down();
+
+  f_types_ << "};" << endl;
+
+  if (gen_ts_) {
+    f_types_ts_ << ts_indent() << "}" << endl;
+  }
+}
+
+/**
+ * Generate a constant value
+ */
+void t_js_generator::generate_const(t_const* tconst) {
+  t_type* type = tconst->get_type();
+  string name = tconst->get_name();
+  t_const_value* value = tconst->get_value();
+
+  f_types_ << js_type_namespace(program_) << name << " = ";
+  f_types_ << render_const_value(type, value) << ";" << endl;
+
+  if (gen_ts_) {
+    f_types_ts_ << ts_print_doc(tconst) << ts_indent() << ts_declare() << "var " << name << ": "
+                << ts_get_type(type) << ";" << endl;
+  }
+}
+
+/**
+ * Prints the value of a constant with the given type. Note that type checking
+ * is NOT performed in this function as it is always run beforehand using the
+ * validate_types method in main.cc
+ */
+string t_js_generator::render_const_value(t_type* type, t_const_value* value) {
+  std::ostringstream out;
+
+  type = get_true_type(type);
+
+  if (type->is_base_type()) {
+    t_base_type::t_base tbase = ((t_base_type*)type)->get_base();
+    switch (tbase) {
+    case t_base_type::TYPE_STRING:
+      out << "'" << get_escaped_string(value) << "'";
+      break;
+    case t_base_type::TYPE_BOOL:
+      out << (value->get_integer() > 0 ? "true" : "false");
+      break;
+    case t_base_type::TYPE_BYTE:
+    case t_base_type::TYPE_I16:
+    case t_base_type::TYPE_I32:
+    case t_base_type::TYPE_I64:
+      out << value->get_integer();
+      break;
+    case t_base_type::TYPE_DOUBLE:
+      if (value->get_type() == t_const_value::CV_INTEGER) {
+        out << value->get_integer();
+      } else {
+        out << value->get_double();
+      }
+      break;
+    default:
+      throw "compiler error: no const of base type " + t_base_type::t_base_name(tbase);
+    }
+  } else if (type->is_enum()) {
+    out << value->get_integer();
+  } else if (type->is_struct() || type->is_xception()) {
+    out << "new " << js_type_namespace(type->get_program()) << type->get_name() << "({" << endl;
+    indent_up();
+    const vector<t_field*>& fields = ((t_struct*)type)->get_members();
+    vector<t_field*>::const_iterator f_iter;
+    const map<t_const_value*, t_const_value*>& val = value->get_map();
+    map<t_const_value*, t_const_value*>::const_iterator v_iter;
+    for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) {
+      t_type* field_type = NULL;
+      for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+        if ((*f_iter)->get_name() == v_iter->first->get_string()) {
+          field_type = (*f_iter)->get_type();
+        }
+      }
+      if (field_type == NULL) {
+        throw "type error: " + type->get_name() + " has no field " + v_iter->first->get_string();
+      }
+      if (v_iter != val.begin())
+        out << ",";
+      out << render_const_value(g_type_string, v_iter->first);
+      out << " : ";
+      out << render_const_value(field_type, v_iter->second);
+    }
+
+    out << "})";
+  } else if (type->is_map()) {
+    t_type* ktype = ((t_map*)type)->get_key_type();
+
+    t_type* vtype = ((t_map*)type)->get_val_type();
+    out << "{" << endl;
+    indent_up();
+
+    const map<t_const_value*, t_const_value*>& val = value->get_map();
+    map<t_const_value*, t_const_value*>::const_iterator v_iter;
+    for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) {
+      if (v_iter != val.begin())
+        out << "," << endl;
+
+      out << indent() << render_const_value(ktype, v_iter->first);
+
+      out << " : ";
+      out << render_const_value(vtype, v_iter->second);
+    }
+
+    indent_down();
+    out << endl << "}";
+  } else if (type->is_list() || type->is_set()) {
+    t_type* etype;
+    if (type->is_list()) {
+      etype = ((t_list*)type)->get_elem_type();
+    } else {
+      etype = ((t_set*)type)->get_elem_type();
+    }
+    out << "[";
+    const vector<t_const_value*>& val = value->get_list();
+    vector<t_const_value*>::const_iterator v_iter;
+    for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) {
+      if (v_iter != val.begin())
+        out << ",";
+      out << render_const_value(etype, *v_iter);
+    }
+    out << "]";
+  }
+  return out.str();
+}
+
+/**
+ * Make a struct
+ */
+void t_js_generator::generate_struct(t_struct* tstruct) {
+  generate_js_struct(tstruct, false);
+}
+
+/**
+ * Generates a struct definition for a thrift exception. Basically the same
+ * as a struct but extends the Exception class.
+ *
+ * @param txception The struct definition
+ */
+void t_js_generator::generate_xception(t_struct* txception) {
+  generate_js_struct(txception, true);
+}
+
+/**
+ * Structs can be normal or exceptions.
+ */
+void t_js_generator::generate_js_struct(t_struct* tstruct, bool is_exception) {
+  generate_js_struct_definition(f_types_, tstruct, is_exception);
+}
+
+/**
+ * Return type of contained elements for a container type. For maps
+ * this is type of value (keys are always strings in js)
+ */
+t_type* t_js_generator::get_contained_type(t_type* t) {
+  t_type* etype;
+  if (t->is_list()) {
+    etype = ((t_list*)t)->get_elem_type();
+  } else if (t->is_set()) {
+    etype = ((t_set*)t)->get_elem_type();
+  } else {
+    etype = ((t_map*)t)->get_val_type();
+  }
+  return etype;
+}
+
+/**
+ * Generates a struct definition for a thrift data type. This is nothing in JS
+ * where the objects are all just associative arrays (unless of course we
+ * decide to start using objects for them...)
+ *
+ * @param tstruct The struct definition
+ */
+void t_js_generator::generate_js_struct_definition(ofstream& out,
+                                                   t_struct* tstruct,
+                                                   bool is_exception,
+                                                   bool is_exported) {
+  const vector<t_field*>& members = tstruct->get_members();
+  vector<t_field*>::const_iterator m_iter;
+
+  if (gen_node_) {
+    if (is_exported) {
+      out << js_namespace(tstruct->get_program()) << tstruct->get_name() << " = "
+          << "module.exports." << tstruct->get_name() << " = function(args) {" << endl;
+    } else {
+      out << js_namespace(tstruct->get_program()) << tstruct->get_name() << " = function(args) {"
+          << endl;
+    }
+  } else {
+    out << js_namespace(tstruct->get_program()) << tstruct->get_name() << " = function(args) {"
+        << endl;
+    if (gen_ts_) {
+      f_types_ts_ << ts_print_doc(tstruct) << ts_indent() << ts_declare() << "class "
+                  << tstruct->get_name() << (is_exception ? " extends Thrift.TException" : "")
+                  << " {" << endl;
+    }
+  }
+
+  indent_up();
+
+  if (gen_node_ && is_exception) {
+    out << indent() << "Thrift.TException.call(this, \"" << js_namespace(tstruct->get_program())
+        << tstruct->get_name() << "\")" << endl;
+    out << indent() << "this.name = \"" << js_namespace(tstruct->get_program())
+        << tstruct->get_name() << "\"" << endl;
+  }
+
+  // members with arguments
+  for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+    string dval = declare_field(*m_iter, false, true);
+    t_type* t = get_true_type((*m_iter)->get_type());
+    if ((*m_iter)->get_value() != NULL && !(t->is_struct() || t->is_xception())) {
+      dval = render_const_value((*m_iter)->get_type(), (*m_iter)->get_value());
+      out << indent() << "this." << (*m_iter)->get_name() << " = " << dval << ";" << endl;
+    } else {
+      out << indent() << dval << ";" << endl;
+    }
+    if (gen_ts_) {
+      f_types_ts_ << ts_indent() << (*m_iter)->get_name() << ": "
+                  << ts_get_type((*m_iter)->get_type()) << ";" << endl;
+    }
+  }
+
+  // Generate constructor from array
+  if (members.size() > 0) {
+
+    for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+      t_type* t = get_true_type((*m_iter)->get_type());
+      if ((*m_iter)->get_value() != NULL && (t->is_struct() || t->is_xception())) {
+        indent(out) << "this." << (*m_iter)->get_name() << " = "
+                    << render_const_value(t, (*m_iter)->get_value()) << ";" << endl;
+      }
+    }
+
+    // Early returns for exceptions
+    for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+      t_type* t = get_true_type((*m_iter)->get_type());
+      if (t->is_xception()) {
+        out << indent() << "if (args instanceof " << js_type_namespace(t->get_program())
+            << t->get_name() << ") {" << endl << indent() << indent() << "this."
+            << (*m_iter)->get_name() << " = args;" << endl << indent() << indent() << "return;"
+            << endl << indent() << "}" << endl;
+      }
+    }
+
+    out << indent() << "if (args) {" << endl;
+    if (gen_ts_) {
+      f_types_ts_ << endl << ts_indent() << "constructor(args?: { ";
+    }
+
+    for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+      t_type* t = get_true_type((*m_iter)->get_type());
+      out << indent() << indent() << "if (args." << (*m_iter)->get_name() << " !== undefined && args." << (*m_iter)->get_name() << " !== null) {"
+          << endl << indent() << indent() << indent() << "this." << (*m_iter)->get_name();
+
+      if (t->is_struct()) {
+        out << (" = new " + js_type_namespace(t->get_program()) + t->get_name() +
+                "(args."+(*m_iter)->get_name() +");");
+        out << endl;
+      } else if (t->is_container()) {
+        t_type* etype = get_contained_type(t);
+        string copyFunc = t->is_map() ? "Thrift.copyMap" : "Thrift.copyList";
+        string type_list = "";
+
+        while (etype->is_container()) {
+          if (type_list.length() > 0) {
+            type_list += ", ";
+          }
+          type_list += etype->is_map() ? "Thrift.copyMap" : "Thrift.copyList";
+          etype = get_contained_type(etype);
+        }
+
+        if (etype->is_struct()) {
+          if (type_list.length() > 0) {
+            type_list += ", ";
+          }
+          type_list += js_type_namespace(etype->get_program()) + etype->get_name();
+        }
+        else {
+          if (type_list.length() > 0) {
+            type_list += ", ";
+          }
+          type_list += "null";
+        }
+
+        out << (" = " + copyFunc + "(args." + (*m_iter)->get_name() +
+                ", [" + type_list + "]);");
+        out << endl;
+      } else {
+        out << " = args." << (*m_iter)->get_name() << ";" << endl;
+      }
+
+      if (!(*m_iter)->get_req()) {
+        out << indent() << indent() << "} else {" << endl << indent() << indent() << indent()
+            << "throw new Thrift.TProtocolException(Thrift.TProtocolExceptionType.UNKNOWN, "
+               "'Required field " << (*m_iter)->get_name() << " is unset!');" << endl;
+      }
+      out << indent() << indent() << "}" << endl;
+      if (gen_ts_) {
+        f_types_ts_ << (*m_iter)->get_name() << ts_get_req(*m_iter) << ": "
+                    << ts_get_type((*m_iter)->get_type()) << "; ";
+      }
+    }
+
+    out << indent() << "}" << endl;
+    if (gen_ts_) {
+      f_types_ts_ << "});" << endl;
+    }
+  }
+
+  indent_down();
+  out << "};" << endl;
+  if (gen_ts_) {
+    f_types_ts_ << ts_indent() << "}" << endl;
+  }
+
+  if (is_exception) {
+    out << "Thrift.inherits(" << js_namespace(tstruct->get_program()) << tstruct->get_name()
+        << ", Thrift.TException);" << endl;
+    out << js_namespace(tstruct->get_program()) << tstruct->get_name() << ".prototype.name = '"
+        << tstruct->get_name() << "';" << endl;
+  } else {
+    // init prototype
+    out << js_namespace(tstruct->get_program()) << tstruct->get_name() << ".prototype = {};"
+        << endl;
+  }
+
+  generate_js_struct_reader(out, tstruct);
+  generate_js_struct_writer(out, tstruct);
+}
+
+/**
+ * Generates the read() method for a struct
+ */
+void t_js_generator::generate_js_struct_reader(ofstream& out, t_struct* tstruct) {
+  const vector<t_field*>& fields = tstruct->get_members();
+  vector<t_field*>::const_iterator f_iter;
+
+  out << js_namespace(tstruct->get_program()) << tstruct->get_name()
+      << ".prototype.read = function(input) {" << endl;
+
+  indent_up();
+
+  indent(out) << "input.readStructBegin();" << endl;
+
+  // Loop over reading in fields
+  indent(out) << "while (true)" << endl;
+
+  scope_up(out);
+
+  indent(out) << "var ret = input.readFieldBegin();" << endl;
+  indent(out) << "var fname = ret.fname;" << endl;
+  indent(out) << "var ftype = ret.ftype;" << endl;
+  indent(out) << "var fid = ret.fid;" << endl;
+
+  // Check for field STOP marker and break
+  indent(out) << "if (ftype == Thrift.Type.STOP) {" << endl;
+  indent_up();
+  indent(out) << "break;" << endl;
+  indent_down();
+  indent(out) << "}" << endl;
+  if (!fields.empty()) {
+    // Switch statement on the field we are reading
+    indent(out) << "switch (fid)" << endl;
+
+    scope_up(out);
+
+    // Generate deserialization code for known cases
+    for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+
+      indent(out) << "case " << (*f_iter)->get_key() << ":" << endl;
+      indent(out) << "if (ftype == " << type_to_enum((*f_iter)->get_type()) << ") {" << endl;
+
+      indent_up();
+      generate_deserialize_field(out, *f_iter, "this.");
+      indent_down();
+
+      indent(out) << "} else {" << endl;
+
+      indent(out) << "  input.skip(ftype);" << endl;
+
+      out << indent() << "}" << endl << indent() << "break;" << endl;
+    }
+    if (fields.size() == 1) {
+      // pseudo case to make jslint happy
+      indent(out) << "case 0:" << endl;
+      indent(out) << "  input.skip(ftype);" << endl;
+      indent(out) << "  break;" << endl;
+    }
+    // In the default case we skip the field
+    indent(out) << "default:" << endl;
+    indent(out) << "  input.skip(ftype);" << endl;
+
+    scope_down(out);
+  } else {
+    indent(out) << "input.skip(ftype);" << endl;
+  }
+
+  indent(out) << "input.readFieldEnd();" << endl;
+
+  scope_down(out);
+
+  indent(out) << "input.readStructEnd();" << endl;
+
+  indent(out) << "return;" << endl;
+
+  indent_down();
+  out << indent() << "};" << endl << endl;
+}
+
+/**
+ * Generates the write() method for a struct
+ */
+void t_js_generator::generate_js_struct_writer(ofstream& out, t_struct* tstruct) {
+  string name = tstruct->get_name();
+  const vector<t_field*>& fields = tstruct->get_members();
+  vector<t_field*>::const_iterator f_iter;
+
+  out << js_namespace(tstruct->get_program()) << tstruct->get_name()
+      << ".prototype.write = function(output) {" << endl;
+
+  indent_up();
+
+  indent(out) << "output.writeStructBegin('" << name << "');" << endl;
+
+  for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+    out << indent() << "if (this." << (*f_iter)->get_name() << " !== null && this."
+        << (*f_iter)->get_name() << " !== undefined) {" << endl;
+    indent_up();
+
+    indent(out) << "output.writeFieldBegin("
+                << "'" << (*f_iter)->get_name() << "', " << type_to_enum((*f_iter)->get_type())
+                << ", " << (*f_iter)->get_key() << ");" << endl;
+
+    // Write field contents
+    generate_serialize_field(out, *f_iter, "this.");
+
+    indent(out) << "output.writeFieldEnd();" << endl;
+
+    indent_down();
+    indent(out) << "}" << endl;
+  }
+
+  out << indent() << "output.writeFieldStop();" << endl << indent() << "output.writeStructEnd();"
+      << endl;
+
+  out << indent() << "return;" << endl;
+
+  indent_down();
+  out << indent() << "};" << endl << endl;
+}
+
+/**
+ * Generates a thrift service.
+ *
+ * @param tservice The service definition
+ */
+void t_js_generator::generate_service(t_service* tservice) {
+  string f_service_name = get_out_dir() + service_name_ + ".js";
+  f_service_.open(f_service_name.c_str());
+
+  if (gen_ts_) {
+    string f_service_ts_name = get_out_dir() + service_name_ + ".d.ts";
+    f_service_ts_.open(f_service_ts_name.c_str());
+  }
+
+  f_service_ << autogen_comment() << js_includes() << endl << render_includes() << endl;
+
+  if (gen_ts_) {
+    if (tservice->get_extends() != NULL) {
+      f_service_ts_ << "/// <reference path=\"" << tservice->get_extends()->get_name()
+                    << ".d.ts\" />" << endl;
+    }
+    f_service_ts_ << autogen_comment() << endl;
+    if (!ts_module_.empty()) {
+      f_service_ts_ << "declare module " << ts_module_ << " {";
+    }
+  }
+
+  if (gen_node_) {
+    if (tservice->get_extends() != NULL) {
+      f_service_ << "var " << tservice->get_extends()->get_name() << " = require('./"
+                 << tservice->get_extends()->get_name() << "')" << endl << "var "
+                 << tservice->get_extends()->get_name()
+                 << "Client = " << tservice->get_extends()->get_name() << ".Client" << endl
+                 << "var " << tservice->get_extends()->get_name()
+                 << "Processor = " << tservice->get_extends()->get_name() << ".Processor" << endl;
+    }
+
+    f_service_ << "var ttypes = require('./" + program_->get_name() + "_types');" << endl;
+  }
+
+  generate_service_helpers(tservice);
+  generate_service_interface(tservice);
+  generate_service_client(tservice);
+
+  if (gen_node_) {
+    generate_service_processor(tservice);
+  }
+
+  f_service_.close();
+  if (gen_ts_) {
+    if (!ts_module_.empty()) {
+      f_service_ts_ << "}";
+    }
+    f_service_ts_.close();
+  }
+}
+
+/**
+ * Generates a service server definition.
+ *
+ * @param tservice The service to generate a server for.
+ */
+void t_js_generator::generate_service_processor(t_service* tservice) {
+  vector<t_function*> functions = tservice->get_functions();
+  vector<t_function*>::iterator f_iter;
+
+  f_service_ << js_namespace(tservice->get_program()) << service_name_ << "Processor = "
+             << "exports.Processor = function(handler) ";
+
+  scope_up(f_service_);
+
+  f_service_ << indent() << "this._handler = handler" << endl;
+
+  scope_down(f_service_);
+
+  if (tservice->get_extends() != NULL) {
+    indent(f_service_) << "Thrift.inherits(" << js_namespace(tservice->get_program())
+                       << service_name_ << "Processor, " << tservice->get_extends()->get_name()
+                       << "Processor)" << endl;
+  }
+
+  // Generate the server implementation
+  indent(f_service_) << js_namespace(tservice->get_program()) << service_name_
+                     << "Processor.prototype.process = function(input, output) ";
+
+  scope_up(f_service_);
+
+  f_service_ << indent() << "var r = input.readMessageBegin();" << endl << indent()
+             << "if (this['process_' + r.fname]) {" << endl << indent()
+             << "  return this['process_' + r.fname].call(this, r.rseqid, input, output);" << endl
+             << indent() << "} else {" << endl << indent() << "  input.skip(Thrift.Type.STRUCT);"
+             << endl << indent() << "  input.readMessageEnd();" << endl << indent()
+             << "  var x = new "
+                "Thrift.TApplicationException(Thrift.TApplicationExceptionType.UNKNOWN_METHOD, "
+                "'Unknown function ' + r.fname);" << endl << indent()
+             << "  output.writeMessageBegin(r.fname, Thrift.MessageType.EXCEPTION, r.rseqid);"
+             << endl << indent() << "  x.write(output);" << endl << indent()
+             << "  output.writeMessageEnd();" << endl << indent() << "  output.flush();" << endl
+             << indent() << "}" << endl;
+
+  scope_down(f_service_);
+  f_service_ << endl;
+
+  // Generate the process subfunctions
+  for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) {
+    generate_process_function(tservice, *f_iter);
+  }
+}
+
+/**
+ * Generates a process function definition.
+ *
+ * @param tfunction The function to write a dispatcher for
+ */
+void t_js_generator::generate_process_function(t_service* tservice, t_function* tfunction) {
+  indent(f_service_) << js_namespace(tservice->get_program()) << service_name_
+                     << "Processor.prototype.process_" + tfunction->get_name()
+                        + " = function(seqid, input, output) ";
+
+  scope_up(f_service_);
+
+  string argsname = js_namespace(program_) + service_name_ + "_" + tfunction->get_name() + "_args";
+  string resultname = js_namespace(program_) + service_name_ + "_" + tfunction->get_name()
+                      + "_result";
+
+  f_service_ << indent() << "var args = new " << argsname << "();" << endl << indent()
+             << "args.read(input);" << endl << indent() << "input.readMessageEnd();" << endl;
+
+  // Generate the function call
+  t_struct* arg_struct = tfunction->get_arglist();
+  const std::vector<t_field*>& fields = arg_struct->get_members();
+  vector<t_field*>::const_iterator f_iter;
+
+  // Shortcut out here for oneway functions
+  if (tfunction->is_oneway()) {
+    indent(f_service_) << "this._handler." << tfunction->get_name() << "(";
+
+    bool first = true;
+    for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+      if (first) {
+        first = false;
+      } else {
+        f_service_ << ", ";
+      }
+      f_service_ << "args." << (*f_iter)->get_name();
+    }
+
+    f_service_ << ")" << endl;
+    scope_down(f_service_);
+    f_service_ << endl;
+    return;
+  }
+
+  f_service_ << indent() << "if (this._handler." << tfunction->get_name()
+             << ".length === " << fields.size() << ") {" << endl;
+  indent_up();
+  indent(f_service_) << "Q.fcall(this._handler." << tfunction->get_name();
+
+  for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+    f_service_ << ", args." << (*f_iter)->get_name();
+  }
+
+  f_service_ << ")" << endl;
+  indent_up();
+  indent(f_service_) << ".then(function(result) {" << endl;
+  indent_up();
+  f_service_ << indent() << "var result = new " << resultname << "({success: result});" << endl
+             << indent() << "output.writeMessageBegin(\"" << tfunction->get_name()
+             << "\", Thrift.MessageType.REPLY, seqid);" << endl << indent()
+             << "result.write(output);" << endl << indent() << "output.writeMessageEnd();" << endl
+             << indent() << "output.flush();" << endl;
+  indent_down();
+  indent(f_service_) << "}, function (err) {" << endl;
+  indent_up();
+
+  bool has_exception = false;
+  t_struct* exceptions = tfunction->get_xceptions();
+  if (exceptions) {
+    const vector<t_field*>& members = exceptions->get_members();
+    for (vector<t_field*>::const_iterator it = members.begin(); it != members.end(); ++it) {
+      t_type* t = get_true_type((*it)->get_type());
+      if (t->is_xception()) {
+        if (!has_exception) {
+          has_exception = true;
+          indent(f_service_) << "if (err instanceof " << js_type_namespace(t->get_program())
+                             << t->get_name();
+        } else {
+          f_service_ << " || err instanceof " << js_type_namespace(t->get_program())
+                     << t->get_name();
+        }
+      }
+    }
+  }
+
+  if (has_exception) {
+    f_service_ << ") {" << endl;
+    indent_up();
+    f_service_ << indent() << "var result = new " << resultname << "(err);" << endl << indent()
+               << "output.writeMessageBegin(\"" << tfunction->get_name()
+               << "\", Thrift.MessageType.REPLY, seqid);" << endl;
+
+    indent_down();
+    indent(f_service_) << "} else {" << endl;
+    indent_up();
+  }
+
+  f_service_ << indent() << "var result = new "
+                            "Thrift.TApplicationException(Thrift.TApplicationExceptionType.UNKNOWN,"
+                            " err.message);" << endl << indent() << "output.writeMessageBegin(\""
+             << tfunction->get_name() << "\", Thrift.MessageType.EXCEPTION, seqid);" << endl;
+
+  if (has_exception) {
+    indent_down();
+    indent(f_service_) << "}" << endl;
+  }
+
+  f_service_ << indent() << "result.write(output);" << endl << indent()
+             << "output.writeMessageEnd();" << endl << indent() << "output.flush();" << endl;
+  indent_down();
+  indent(f_service_) << "});" << endl;
+  indent_down();
+  indent_down();
+  indent(f_service_) << "} else {" << endl;
+  indent_up();
+  indent(f_service_) << "this._handler." << tfunction->get_name() << "(";
+
+  for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+    f_service_ << "args." << (*f_iter)->get_name() << ", ";
+  }
+
+  f_service_ << "function (err, result) {" << endl;
+  indent_up();
+
+  indent(f_service_) << "if (err == null";
+  if (has_exception) {
+    const vector<t_field*>& members = exceptions->get_members();
+    for (vector<t_field*>::const_iterator it = members.begin(); it != members.end(); ++it) {
+      t_type* t = get_true_type((*it)->get_type());
+      if (t->is_xception()) {
+        f_service_ << " || err instanceof " << js_type_namespace(t->get_program()) << t->get_name();
+      }
+    }
+  }
+  f_service_ << ") {" << endl;
+  indent_up();
+  f_service_ << indent() << "var result = new " << resultname
+             << "((err != null ? err : {success: result}));" << endl << indent()
+             << "output.writeMessageBegin(\"" << tfunction->get_name()
+             << "\", Thrift.MessageType.REPLY, seqid);" << endl;
+  indent_down();
+  indent(f_service_) << "} else {" << endl;
+  indent_up();
+  f_service_ << indent() << "var result = new "
+                            "Thrift.TApplicationException(Thrift.TApplicationExceptionType.UNKNOWN,"
+                            " err.message);" << endl << indent() << "output.writeMessageBegin(\""
+             << tfunction->get_name() << "\", Thrift.MessageType.EXCEPTION, seqid);" << endl;
+  indent_down();
+  f_service_ << indent() << "}" << endl << indent() << "result.write(output);" << endl << indent()
+             << "output.writeMessageEnd();" << endl << indent() << "output.flush();" << endl;
+
+  indent_down();
+  indent(f_service_) << "});" << endl;
+  indent_down();
+  indent(f_service_) << "}" << endl;
+  scope_down(f_service_);
+  f_service_ << endl;
+}
+
+/**
+ * Generates helper functions for a service.
+ *
+ * @param tservice The service to generate a header definition for
+ */
+void t_js_generator::generate_service_helpers(t_service* tservice) {
+  // Do not generate TS definitions for helper functions
+  bool gen_ts_tmp = gen_ts_;
+  gen_ts_ = false;
+
+  vector<t_function*> functions = tservice->get_functions();
+  vector<t_function*>::iterator f_iter;
+
+  f_service_ << "//HELPER FUNCTIONS AND STRUCTURES" << endl << endl;
+
+  for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) {
+    t_struct* ts = (*f_iter)->get_arglist();
+    string name = ts->get_name();
+    ts->set_name(service_name_ + "_" + name);
+    generate_js_struct_definition(f_service_, ts, false, false);
+    generate_js_function_helpers(*f_iter);
+    ts->set_name(name);
+  }
+
+  gen_ts_ = gen_ts_tmp;
+}
+
+/**
+ * Generates a struct and helpers for a function.
+ *
+ * @param tfunction The function
+ */
+void t_js_generator::generate_js_function_helpers(t_function* tfunction) {
+  t_struct result(program_, service_name_ + "_" + tfunction->get_name() + "_result");
+  t_field success(tfunction->get_returntype(), "success", 0);
+  if (!tfunction->get_returntype()->is_void()) {
+    result.append(&success);
+  }
+
+  t_struct* xs = tfunction->get_xceptions();
+  const vector<t_field*>& fields = xs->get_members();
+  vector<t_field*>::const_iterator f_iter;
+  for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+    result.append(*f_iter);
+  }
+
+  generate_js_struct_definition(f_service_, &result, false, false);
+}
+
+/**
+ * Generates a service interface definition.
+ *
+ * @param tservice The service to generate a header definition for
+ */
+void t_js_generator::generate_service_interface(t_service* tservice) {
+  (void)tservice;
+}
+
+/**
+ * Generates a REST interface
+ */
+void t_js_generator::generate_service_rest(t_service* tservice) {
+  (void)tservice;
+}
+
+/**
+ * Generates a service client definition.
+ *
+ * @param tservice The service to generate a server for.
+ */
+void t_js_generator::generate_service_client(t_service* tservice) {
+  if (gen_node_) {
+    f_service_ << js_namespace(tservice->get_program()) << service_name_ << "Client = "
+               << "exports.Client = function(output, pClass) {" << endl;
+  } else {
+    f_service_ << js_namespace(tservice->get_program()) << service_name_
+               << "Client = function(input, output) {" << endl;
+    if (gen_ts_) {
+      f_service_ts_ << ts_print_doc(tservice) << ts_indent() << ts_declare() << "class "
+                    << service_name_ << "Client ";
+      if (tservice->get_extends() != NULL) {
+        f_service_ts_ << "extends " << tservice->get_extends()->get_name() << "Client ";
+      }
+      f_service_ts_ << "{" << endl;
+    }
+  }
+
+  indent_up();
+
+  if (gen_node_) {
+    f_service_ << indent() << "  this.output = output;" << endl << indent()
+               << "  this.pClass = pClass;" << endl << indent() << "  this._seqid = 0;" << endl
+               << indent() << "  this._reqs = {};" << endl;
+  } else {
+    f_service_ << indent() << "  this.input = input;" << endl << indent()
+               << "  this.output = (!output) ? input : output;" << endl << indent()
+               << "  this.seqid = 0;" << endl;
+    if (gen_ts_) {
+      f_service_ts_ << ts_indent() << "input: Thrift.TJSONProtocol;" << endl << ts_indent()
+                    << "output: Thrift.TJSONProtocol;" << endl << ts_indent() << "seqid: number;"
+                    << endl << endl << ts_indent()
+                    << "constructor(input: Thrift.TJSONProtocol, output?: Thrift.TJSONProtocol);"
+                    << endl;
+    }
+  }
+
+  indent_down();
+
+  f_service_ << indent() << "};" << endl;
+
+  if (tservice->get_extends() != NULL) {
+    indent(f_service_) << "Thrift.inherits(" << js_namespace(tservice->get_program())
+                       << service_name_ << "Client, "
+                       << js_namespace(tservice->get_extends()->get_program())
+                       << tservice->get_extends()->get_name() << "Client);" << endl;
+  } else {
+    // init prototype
+    indent(f_service_) << js_namespace(tservice->get_program()) << service_name_
+                       << "Client.prototype = {};" << endl;
+  }
+
+  // utils for multiplexed services
+  if (gen_node_) {
+    indent(f_service_) << js_namespace(tservice->get_program()) << service_name_
+                       << "Client.prototype.seqid = function() { return this._seqid; }" << endl
+                       << js_namespace(tservice->get_program()) << service_name_
+                       << "Client.prototype.new_seqid = function() { return this._seqid += 1; }"
+                       << endl;
+  }
+  // Generate client method implementations
+  vector<t_function*> functions = tservice->get_functions();
+  vector<t_function*>::const_iterator f_iter;
+  for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) {
+    t_struct* arg_struct = (*f_iter)->get_arglist();
+    const vector<t_field*>& fields = arg_struct->get_members();
+    vector<t_field*>::const_iterator fld_iter;
+    string funname = (*f_iter)->get_name();
+    string arglist = argument_list(arg_struct);
+
+    // Open function
+    f_service_ << js_namespace(tservice->get_program()) << service_name_ << "Client.prototype."
+               << function_signature(*f_iter, "", true) << " {" << endl;
+
+    indent_up();
+
+    if (gen_ts_) {
+      f_service_ts_ << ts_print_doc(*f_iter) <<
+          // function definition without callback
+          ts_indent() << ts_function_signature(*f_iter, false) << endl << ts_print_doc(*f_iter) <<
+          // overload with callback
+          ts_indent() << ts_function_signature(*f_iter, true) << endl;
+    }
+
+    if (gen_node_) { // Node.js output      ./gen-nodejs
+      f_service_ << indent() << "this._seqid = this.new_seqid();" << endl << indent()
+                 << "if (callback === undefined) {" << endl;
+      indent_up();
+      f_service_ << indent() << "var _defer = Q.defer();" << endl << indent()
+                 << "this._reqs[this.seqid()] = function(error, result) {" << endl;
+      indent_up();
+      indent(f_service_) << "if (error) {" << endl;
+      indent_up();
+      indent(f_service_) << "_defer.reject(error);" << endl;
+      indent_down();
+      indent(f_service_) << "} else {" << endl;
+      indent_up();
+      indent(f_service_) << "_defer.resolve(result);" << endl;
+      indent_down();
+      indent(f_service_) << "}" << endl;
+      indent_down();
+      indent(f_service_) << "};" << endl;
+      f_service_ << indent() << "this.send_" << funname << "(" << arglist << ");" << endl
+                 << indent() << "return _defer.promise;" << endl;
+      indent_down();
+      indent(f_service_) << "} else {" << endl;
+      indent_up();
+      f_service_ << indent() << "this._reqs[this.seqid()] = callback;" << endl << indent()
+                 << "this.send_" << funname << "(" << arglist << ");" << endl;
+      indent_down();
+      indent(f_service_) << "}" << endl;
+    } else if (gen_jquery_) { // jQuery output       ./gen-js
+      f_service_ << indent() << "if (callback === undefined) {" << endl;
+      indent_up();
+      f_service_ << indent() << "this.send_" << funname << "(" << arglist << ");" << endl;
+      if (!(*f_iter)->is_oneway()) {
+        f_service_ << indent();
+        if (!(*f_iter)->get_returntype()->is_void()) {
+          f_service_ << "return ";
+        }
+        f_service_ << "this.recv_" << funname << "();" << endl;
+      }
+      indent_down();
+      f_service_ << indent() << "} else {" << endl;
+      indent_up();
+      f_service_ << indent() << "var postData = this.send_" << funname << "(" << arglist
+                 << (arglist.empty() ? "" : ", ") << "true);" << endl;
+      f_service_ << indent() << "return this.output.getTransport()" << endl;
+      indent_up();
+      f_service_ << indent() << ".jqRequest(this, postData, arguments, this.recv_" << funname
+                 << ");" << endl;
+      indent_down();
+      indent_down();
+      f_service_ << indent() << "}" << endl;
+    } else { // Standard JavaScript ./gen-js
+      f_service_ << indent() << "this.send_" << funname << "(" << arglist
+                 << (arglist.empty() ? "" : ", ") << "callback); " << endl;
+      if (!(*f_iter)->is_oneway()) {
+        f_service_ << indent() << "if (!callback) {" << endl;
+        f_service_ << indent();
+        if (!(*f_iter)->get_returntype()->is_void()) {
+          f_service_ << "  return ";
+        }
+        f_service_ << "this.recv_" << funname << "();" << endl;
+        f_service_ << indent() << "}" << endl;
+      }
+    }
+
+    indent_down();
+
+    f_service_ << "};" << endl << endl;
+
+    // Send function
+    f_service_ << js_namespace(tservice->get_program()) << service_name_ << "Client.prototype.send_"
+               << function_signature(*f_iter, "", !gen_node_) << " {" << endl;
+
+    indent_up();
+
+    std::string outputVar;
+    if (gen_node_) {
+      f_service_ << indent() << "var output = new this.pClass(this.output);" << endl;
+      outputVar = "output";
+    } else {
+      outputVar = "this.output";
+    }
+
+    std::string argsname = js_namespace(program_) + service_name_ + "_" + (*f_iter)->get_name()
+                           + "_args";
+
+    std::string messageType = (*f_iter)->is_oneway() ? "Thrift.MessageType.ONEWAY"
+                                                     : "Thrift.MessageType.CALL";
+
+    // Serialize the request header
+    if (gen_node_) {
+      f_service_ << indent() << outputVar << ".writeMessageBegin('" << (*f_iter)->get_name()
+                 << "', " << messageType << ", this.seqid());" << endl;
+    } else {
+      f_service_ << indent() << outputVar << ".writeMessageBegin('" << (*f_iter)->get_name()
+                 << "', " << messageType << ", this.seqid);" << endl;
+    }
+
+    f_service_ << indent() << "var args = new " << argsname << "();" << endl;
+
+    for (fld_iter = fields.begin(); fld_iter != fields.end(); ++fld_iter) {
+      f_service_ << indent() << "args." << (*fld_iter)->get_name() << " = "
+                 << (*fld_iter)->get_name() << ";" << endl;
+    }
+
+    // Write to the stream
+    f_service_ << indent() << "args.write(" << outputVar << ");" << endl << indent() << outputVar
+               << ".writeMessageEnd();" << endl;
+
+    if (gen_node_) {
+      f_service_ << indent() << "return this.output.flush();" << endl;
+    } else {
+      if (gen_jquery_) {
+        f_service_ << indent() << "return this.output.getTransport().flush(callback);" << endl;
+      } else {
+        f_service_ << indent() << "if (callback) {" << endl;
+        f_service_ << indent() << "  var self = this;" << endl;
+        f_service_ << indent() << "  this.output.getTransport().flush(true, function() {" << endl;
+        f_service_ << indent() << "    var result = null;" << endl;
+        f_service_ << indent() << "    try {" << endl;
+        f_service_ << indent() << "      result = self.recv_" << funname << "();" << endl;
+        f_service_ << indent() << "    } catch (e) {" << endl;
+        f_service_ << indent() << "      result = e;" << endl;
+        f_service_ << indent() << "    }" << endl;
+        f_service_ << indent() << "    callback(result);" << endl;
+        f_service_ << indent() << "  });" << endl;
+        f_service_ << indent() << "} else {" << endl;
+        f_service_ << indent() << "  return this.output.getTransport().flush();" << endl;
+        f_service_ << indent() << "}" << endl;
+      }
+    }
+
+    indent_down();
+
+    f_service_ << "};" << endl;
+
+    if (!(*f_iter)->is_oneway()) {
+      std::string resultname = js_namespace(tservice->get_program()) + service_name_ + "_"
+                               + (*f_iter)->get_name() + "_result";
+
+      if (gen_node_) {
+        // Open function
+        f_service_ << endl << js_namespace(tservice->get_program()) << service_name_
+                   << "Client.prototype.recv_" << (*f_iter)->get_name()
+                   << " = function(input,mtype,rseqid) {" << endl;
+      } else {
+        t_struct noargs(program_);
+
+        t_function recv_function((*f_iter)->get_returntype(),
+                                 string("recv_") + (*f_iter)->get_name(),
+                                 &noargs);
+        // Open function
+        f_service_ << endl << js_namespace(tservice->get_program()) << service_name_
+                   << "Client.prototype." << function_signature(&recv_function) << " {" << endl;
+      }
+
+      indent_up();
+
+      std::string inputVar;
+      if (gen_node_) {
+        inputVar = "input";
+      } else {
+        inputVar = "this.input";
+      }
+
+      if (gen_node_) {
+        f_service_ << indent() << "var callback = this._reqs[rseqid] || function() {};" << endl
+                   << indent() << "delete this._reqs[rseqid];" << endl;
+      } else {
+        f_service_ << indent() << "var ret = this.input.readMessageBegin();" << endl << indent()
+                   << "var fname = ret.fname;" << endl << indent() << "var mtype = ret.mtype;"
+                   << endl << indent() << "var rseqid = ret.rseqid;" << endl;
+      }
+
+      f_service_ << indent() << "if (mtype == Thrift.MessageType.EXCEPTION) {" << endl << indent()
+                 << "  var x = new Thrift.TApplicationException();" << endl << indent()
+                 << "  x.read(" << inputVar << ");" << endl << indent() << "  " << inputVar
+                 << ".readMessageEnd();" << endl << indent() << "  " << render_recv_throw("x")
+                 << endl << indent() << "}" << endl;
+
+      f_service_ << indent() << "var result = new " << resultname << "();" << endl << indent()
+                 << "result.read(" << inputVar << ");" << endl;
+
+      f_service_ << indent() << inputVar << ".readMessageEnd();" << endl << endl;
+
+      t_struct* xs = (*f_iter)->get_xceptions();
+      const std::vector<t_field*>& xceptions = xs->get_members();
+      vector<t_field*>::const_iterator x_iter;
+      for (x_iter = xceptions.begin(); x_iter != xceptions.end(); ++x_iter) {
+        f_service_ << indent() << "if (null !== result." << (*x_iter)->get_name() << ") {" << endl
+                   << indent() << "  " << render_recv_throw("result." + (*x_iter)->get_name())
+                   << endl << indent() << "}" << endl;
+      }
+
+      // Careful, only return result if not a void function
+      if (!(*f_iter)->get_returntype()->is_void()) {
+        f_service_ << indent() << "if (null !== result.success) {" << endl << indent() << "  "
+                   << render_recv_return("result.success") << endl << indent() << "}" << endl;
+        f_service_ << indent()
+                   << render_recv_throw("'" + (*f_iter)->get_name() + " failed: unknown result'")
+                   << endl;
+      } else {
+        if (gen_node_) {
+          indent(f_service_) << "callback(null)" << endl;
+        } else {
+          indent(f_service_) << "return;" << endl;
+        }
+      }
+
+      // Close function
+      indent_down();
+      f_service_ << "};" << endl;
+    }
+  }
+
+  if (gen_ts_) {
+    f_service_ts_ << ts_indent() << "}" << endl;
+  }
+}
+
+std::string t_js_generator::render_recv_throw(std::string var) {
+  if (gen_node_) {
+    return "return callback(" + var + ");";
+  } else {
+    return "throw " + var + ";";
+  }
+}
+
+std::string t_js_generator::render_recv_return(std::string var) {
+  if (gen_node_) {
+    return "return callback(null, " + var + ");";
+  } else {
+    return "return " + var + ";";
+  }
+}
+
+/**
+ * Deserializes a field of any type.
+ */
+void t_js_generator::generate_deserialize_field(ofstream& out,
+                                                t_field* tfield,
+                                                string prefix,
+                                                bool inclass) {
+  (void)inclass;
+  t_type* type = get_true_type(tfield->get_type());
+
+  if (type->is_void()) {
+    throw "CANNOT GENERATE DESERIALIZE CODE FOR void TYPE: " + prefix + tfield->get_name();
+  }
+
+  string name = prefix + tfield->get_name();
+
+  if (type->is_struct() || type->is_xception()) {
+    generate_deserialize_struct(out, (t_struct*)type, name);
+  } else if (type->is_container()) {
+    generate_deserialize_container(out, type, name);
+  } else if (type->is_base_type() || type->is_enum()) {
+    indent(out) << name << " = input.";
+
+    if (type->is_base_type()) {
+      t_base_type::t_base tbase = ((t_base_type*)type)->get_base();
+      switch (tbase) {
+      case t_base_type::TYPE_VOID:
+        throw "compiler error: cannot serialize void field in a struct: " + name;
+        break;
+      case t_base_type::TYPE_STRING:
+        out << (((t_base_type*)type)->is_binary() ? "readBinary()" : "readString()");
+        break;
+      case t_base_type::TYPE_BOOL:
+        out << "readBool()";
+        break;
+      case t_base_type::TYPE_BYTE:
+        out << "readByte()";
+        break;
+      case t_base_type::TYPE_I16:
+        out << "readI16()";
+        break;
+      case t_base_type::TYPE_I32:
+        out << "readI32()";
+        break;
+      case t_base_type::TYPE_I64:
+        out << "readI64()";
+        break;
+      case t_base_type::TYPE_DOUBLE:
+        out << "readDouble()";
+        break;
+      default:
+        throw "compiler error: no JS name for base type " + t_base_type::t_base_name(tbase);
+      }
+    } else if (type->is_enum()) {
+      out << "readI32()";
+    }
+
+    if (!gen_node_) {
+      out << ".value";
+    }
+
+    out << ";" << endl;
+  } else {
+    printf("DO NOT KNOW HOW TO DESERIALIZE FIELD '%s' TYPE '%s'\n",
+           tfield->get_name().c_str(),
+           type->get_name().c_str());
+  }
+}
+
+/**
+ * Generates an unserializer for a variable. This makes two key assumptions,
+ * first that there is a const char* variable named data that points to the
+ * buffer for deserialization, and that there is a variable protocol which
+ * is a reference to a TProtocol serialization object.
+ */
+void t_js_generator::generate_deserialize_struct(ofstream& out, t_struct* tstruct, string prefix) {
+  out << indent() << prefix << " = new " << js_type_namespace(tstruct->get_program())
+      << tstruct->get_name() << "();" << endl << indent() << prefix << ".read(input);" << endl;
+}
+
+void t_js_generator::generate_deserialize_container(ofstream& out, t_type* ttype, string prefix) {
+  string size = tmp("_size");
+  string ktype = tmp("_ktype");
+  string vtype = tmp("_vtype");
+  string etype = tmp("_etype");
+  string rtmp3 = tmp("_rtmp3");
+
+  t_field fsize(g_type_i32, size);
+  t_field fktype(g_type_byte, ktype);
+  t_field fvtype(g_type_byte, vtype);
+  t_field fetype(g_type_byte, etype);
+
+  out << indent() << "var " << size << " = 0;" << endl;
+  out << indent() << "var " << rtmp3 << ";" << endl;
+
+  // Declare variables, read header
+  if (ttype->is_map()) {
+    out << indent() << prefix << " = {};" << endl << indent() << "var " << ktype << " = 0;" << endl
+        << indent() << "var " << vtype << " = 0;" << endl;
+
+    out << indent() << rtmp3 << " = input.readMapBegin();" << endl;
+    out << indent() << ktype << " = " << rtmp3 << ".ktype;" << endl;
+    out << indent() << vtype << " = " << rtmp3 << ".vtype;" << endl;
+    out << indent() << size << " = " << rtmp3 << ".size;" << endl;
+
+  } else if (ttype->is_set()) {
+
+    out << indent() << prefix << " = [];" << endl << indent() << "var " << etype << " = 0;" << endl
+        << indent() << rtmp3 << " = input.readSetBegin();" << endl << indent() << etype << " = "
+        << rtmp3 << ".etype;" << endl << indent() << size << " = " << rtmp3 << ".size;" << endl;
+
+  } else if (ttype->is_list()) {
+
+    out << indent() << prefix << " = [];" << endl << indent() << "var " << etype << " = 0;" << endl
+        << indent() << rtmp3 << " = input.readListBegin();" << endl << indent() << etype << " = "
+        << rtmp3 << ".etype;" << endl << indent() << size << " = " << rtmp3 << ".size;" << endl;
+  }
+
+  // For loop iterates over elements
+  string i = tmp("_i");
+  indent(out) << "for (var " << i << " = 0; " << i << " < " << size << "; ++" << i << ")" << endl;
+
+  scope_up(out);
+
+  if (ttype->is_map()) {
+    if (!gen_node_) {
+      out << indent() << "if (" << i << " > 0 ) {" << endl << indent()
+          << "  if (input.rstack.length > input.rpos[input.rpos.length -1] + 1) {" << endl
+          << indent() << "    input.rstack.pop();" << endl << indent() << "  }" << endl << indent()
+          << "}" << endl;
+    }
+
+    generate_deserialize_map_element(out, (t_map*)ttype, prefix);
+  } else if (ttype->is_set()) {
+    generate_deserialize_set_element(out, (t_set*)ttype, prefix);
+  } else if (ttype->is_list()) {
+    generate_deserialize_list_element(out, (t_list*)ttype, prefix);
+  }
+
+  scope_down(out);
+
+  // Read container end
+  if (ttype->is_map()) {
+    indent(out) << "input.readMapEnd();" << endl;
+  } else if (ttype->is_set()) {
+    indent(out) << "input.readSetEnd();" << endl;
+  } else if (ttype->is_list()) {
+    indent(out) << "input.readListEnd();" << endl;
+  }
+}
+
+/**
+ * Generates code to deserialize a map
+ */
+void t_js_generator::generate_deserialize_map_element(ofstream& out, t_map* tmap, string prefix) {
+  string key = tmp("key");
+  string val = tmp("val");
+  t_field fkey(tmap->get_key_type(), key);
+  t_field fval(tmap->get_val_type(), val);
+
+  indent(out) << declare_field(&fkey, false, false) << ";" << endl;
+  indent(out) << declare_field(&fval, false, false) << ";" << endl;
+
+  generate_deserialize_field(out, &fkey);
+  generate_deserialize_field(out, &fval);
+
+  indent(out) << prefix << "[" << key << "] = " << val << ";" << endl;
+}
+
+void t_js_generator::generate_deserialize_set_element(ofstream& out, t_set* tset, string prefix) {
+  string elem = tmp("elem");
+  t_field felem(tset->get_elem_type(), elem);
+
+  indent(out) << "var " << elem << " = null;" << endl;
+
+  generate_deserialize_field(out, &felem);
+
+  indent(out) << prefix << ".push(" << elem << ");" << endl;
+}
+
+void t_js_generator::generate_deserialize_list_element(ofstream& out,
+                                                       t_list* tlist,
+                                                       string prefix) {
+  string elem = tmp("elem");
+  t_field felem(tlist->get_elem_type(), elem);
+
+  indent(out) << "var " << elem << " = null;" << endl;
+
+  generate_deserialize_field(out, &felem);
+
+  indent(out) << prefix << ".push(" << elem << ");" << endl;
+}
+
+/**
+ * Serializes a field of any type.
+ *
+ * @param tfield The field to serialize
+ * @param prefix Name to prepend to field name
+ */
+void t_js_generator::generate_serialize_field(ofstream& out, t_field* tfield, string prefix) {
+  t_type* type = get_true_type(tfield->get_type());
+
+  // Do nothing for void types
+  if (type->is_void()) {
+    throw "CANNOT GENERATE SERIALIZE CODE FOR void TYPE: " + prefix + tfield->get_name();
+  }
+
+  if (type->is_struct() || type->is_xception()) {
+    generate_serialize_struct(out, (t_struct*)type, prefix + tfield->get_name());
+  } else if (type->is_container()) {
+    generate_serialize_container(out, type, prefix + tfield->get_name());
+  } else if (type->is_base_type() || type->is_enum()) {
+
+    string name = tfield->get_name();
+
+    // Hack for when prefix is defined (always a hash ref)
+    if (!prefix.empty())
+      name = prefix + tfield->get_name();
+
+    indent(out) << "output.";
+
+    if (type->is_base_type()) {
+      t_base_type::t_base tbase = ((t_base_type*)type)->get_base();
+      switch (tbase) {
+      case t_base_type::TYPE_VOID:
+        throw "compiler error: cannot serialize void field in a struct: " + name;
+        break;
+      case t_base_type::TYPE_STRING:
+        out << (((t_base_type*)type)->is_binary() ? "writeBinary(" : "writeString(") << name << ")";
+        break;
+      case t_base_type::TYPE_BOOL:
+        out << "writeBool(" << name << ")";
+        break;
+      case t_base_type::TYPE_BYTE:
+        out << "writeByte(" << name << ")";
+        break;
+      case t_base_type::TYPE_I16:
+        out << "writeI16(" << name << ")";
+        break;
+      case t_base_type::TYPE_I32:
+        out << "writeI32(" << name << ")";
+        break;
+      case t_base_type::TYPE_I64:
+        out << "writeI64(" << name << ")";
+        break;
+      case t_base_type::TYPE_DOUBLE:
+        out << "writeDouble(" << name << ")";
+        break;
+      default:
+        throw "compiler error: no JS name for base type " + t_base_type::t_base_name(tbase);
+      }
+    } else if (type->is_enum()) {
+      out << "writeI32(" << name << ")";
+    }
+    out << ";" << endl;
+
+  } else {
+    printf("DO NOT KNOW HOW TO SERIALIZE FIELD '%s%s' TYPE '%s'\n",
+           prefix.c_str(),
+           tfield->get_name().c_str(),
+           type->get_name().c_str());
+  }
+}
+
+/**
+ * Serializes all the members of a struct.
+ *
+ * @param tstruct The struct to serialize
+ * @param prefix  String prefix to attach to all fields
+ */
+void t_js_generator::generate_serialize_struct(ofstream& out, t_struct* tstruct, string prefix) {
+  (void)tstruct;
+  indent(out) << prefix << ".write(output);" << endl;
+}
+
+/**
+ * Writes out a container
+ */
+void t_js_generator::generate_serialize_container(ofstream& out, t_type* ttype, string prefix) {
+  if (ttype->is_map()) {
+    indent(out) << "output.writeMapBegin(" << type_to_enum(((t_map*)ttype)->get_key_type()) << ", "
+                << type_to_enum(((t_map*)ttype)->get_val_type()) << ", "
+                << "Thrift.objectLength(" << prefix << "));" << endl;
+  } else if (ttype->is_set()) {
+    indent(out) << "output.writeSetBegin(" << type_to_enum(((t_set*)ttype)->get_elem_type()) << ", "
+                << prefix << ".length);" << endl;
+
+  } else if (ttype->is_list()) {
+
+    indent(out) << "output.writeListBegin(" << type_to_enum(((t_list*)ttype)->get_elem_type())
+                << ", " << prefix << ".length);" << endl;
+  }
+
+  if (ttype->is_map()) {
+    string kiter = tmp("kiter");
+    string viter = tmp("viter");
+    indent(out) << "for (var " << kiter << " in " << prefix << ")" << endl;
+    scope_up(out);
+    indent(out) << "if (" << prefix << ".hasOwnProperty(" << kiter << "))" << endl;
+    scope_up(out);
+    indent(out) << "var " << viter << " = " << prefix << "[" << kiter << "];" << endl;
+    generate_serialize_map_element(out, (t_map*)ttype, kiter, viter);
+    scope_down(out);
+    scope_down(out);
+
+  } else if (ttype->is_set()) {
+    string iter = tmp("iter");
+    indent(out) << "for (var " << iter << " in " << prefix << ")" << endl;
+    scope_up(out);
+    indent(out) << "if (" << prefix << ".hasOwnProperty(" << iter << "))" << endl;
+    scope_up(out);
+    indent(out) << iter << " = " << prefix << "[" << iter << "];" << endl;
+    generate_serialize_set_element(out, (t_set*)ttype, iter);
+    scope_down(out);
+    scope_down(out);
+
+  } else if (ttype->is_list()) {
+    string iter = tmp("iter");
+    indent(out) << "for (var " << iter << " in " << prefix << ")" << endl;
+    scope_up(out);
+    indent(out) << "if (" << prefix << ".hasOwnProperty(" << iter << "))" << endl;
+    scope_up(out);
+    indent(out) << iter << " = " << prefix << "[" << iter << "];" << endl;
+    generate_serialize_list_element(out, (t_list*)ttype, iter);
+    scope_down(out);
+    scope_down(out);
+  }
+
+  if (ttype->is_map()) {
+    indent(out) << "output.writeMapEnd();" << endl;
+  } else if (ttype->is_set()) {
+    indent(out) << "output.writeSetEnd();" << endl;
+  } else if (ttype->is_list()) {
+    indent(out) << "output.writeListEnd();" << endl;
+  }
+}
+
+/**
+ * Serializes the members of a map.
+ *
+ */
+void t_js_generator::generate_serialize_map_element(ofstream& out,
+                                                    t_map* tmap,
+                                                    string kiter,
+                                                    string viter) {
+  t_field kfield(tmap->get_key_type(), kiter);
+  generate_serialize_field(out, &kfield);
+
+  t_field vfield(tmap->get_val_type(), viter);
+  generate_serialize_field(out, &vfield);
+}
+
+/**
+ * Serializes the members of a set.
+ */
+void t_js_generator::generate_serialize_set_element(ofstream& out, t_set* tset, string iter) {
+  t_field efield(tset->get_elem_type(), iter);
+  generate_serialize_field(out, &efield);
+}
+
+/**
+ * Serializes the members of a list.
+ */
+void t_js_generator::generate_serialize_list_element(ofstream& out, t_list* tlist, string iter) {
+  t_field efield(tlist->get_elem_type(), iter);
+  generate_serialize_field(out, &efield);
+}
+
+/**
+ * Declares a field, which may include initialization as necessary.
+ *
+ * @param ttype The type
+ */
+string t_js_generator::declare_field(t_field* tfield, bool init, bool obj) {
+  string result = "this." + tfield->get_name();
+
+  if (!obj) {
+    result = "var " + tfield->get_name();
+  }
+
+  if (init) {
+    t_type* type = get_true_type(tfield->get_type());
+    if (type->is_base_type()) {
+      t_base_type::t_base tbase = ((t_base_type*)type)->get_base();
+      switch (tbase) {
+      case t_base_type::TYPE_VOID:
+        break;
+      case t_base_type::TYPE_STRING:
+      case t_base_type::TYPE_BOOL:
+      case t_base_type::TYPE_BYTE:
+      case t_base_type::TYPE_I16:
+      case t_base_type::TYPE_I32:
+      case t_base_type::TYPE_I64:
+      case t_base_type::TYPE_DOUBLE:
+        result += " = null";
+        break;
+      default:
+        throw "compiler error: no JS initializer for base type " + t_base_type::t_base_name(tbase);
+      }
+    } else if (type->is_enum()) {
+      result += " = null";
+    } else if (type->is_map()) {
+      result += " = null";
+    } else if (type->is_container()) {
+      result += " = null";
+    } else if (type->is_struct() || type->is_xception()) {
+      if (obj) {
+        result += " = new " + js_type_namespace(type->get_program()) + type->get_name() + "()";
+      } else {
+        result += " = null";
+      }
+    }
+  } else {
+    result += " = null";
+  }
+  return result;
+}
+
+/**
+ * Renders a function signature of the form 'type name(args)'
+ *
+ * @param tfunction Function definition
+ * @return String of rendered function definition
+ */
+string t_js_generator::function_signature(t_function* tfunction,
+                                          string prefix,
+                                          bool include_callback) {
+
+  string str;
+
+  str = prefix + tfunction->get_name() + " = function(";
+
+  str += argument_list(tfunction->get_arglist(), include_callback);
+
+  str += ")";
+  return str;
+}
+
+/**
+ * Renders a field list
+ */
+string t_js_generator::argument_list(t_struct* tstruct, bool include_callback) {
+  string result = "";
+
+  const vector<t_field*>& fields = tstruct->get_members();
+  vector<t_field*>::const_iterator f_iter;
+  bool first = true;
+  for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+    if (first) {
+      first = false;
+    } else {
+      result += ", ";
+    }
+    result += (*f_iter)->get_name();
+  }
+
+  if (include_callback) {
+    if (!fields.empty()) {
+      result += ", ";
+    }
+    result += "callback";
+  }
+
+  return result;
+}
+
+/**
+ * Converts the parse type to a C++ enum string for the given type.
+ */
+string t_js_generator::type_to_enum(t_type* type) {
+  type = get_true_type(type);
+
+  if (type->is_base_type()) {
+    t_base_type::t_base tbase = ((t_base_type*)type)->get_base();
+    switch (tbase) {
+    case t_base_type::TYPE_VOID:
+      throw "NO T_VOID CONSTRUCT";
+    case t_base_type::TYPE_STRING:
+      return "Thrift.Type.STRING";
+    case t_base_type::TYPE_BOOL:
+      return "Thrift.Type.BOOL";
+    case t_base_type::TYPE_BYTE:
+      return "Thrift.Type.BYTE";
+    case t_base_type::TYPE_I16:
+      return "Thrift.Type.I16";
+    case t_base_type::TYPE_I32:
+      return "Thrift.Type.I32";
+    case t_base_type::TYPE_I64:
+      return "Thrift.Type.I64";
+    case t_base_type::TYPE_DOUBLE:
+      return "Thrift.Type.DOUBLE";
+    }
+  } else if (type->is_enum()) {
+    return "Thrift.Type.I32";
+  } else if (type->is_struct() || type->is_xception()) {
+    return "Thrift.Type.STRUCT";
+  } else if (type->is_map()) {
+    return "Thrift.Type.MAP";
+  } else if (type->is_set()) {
+    return "Thrift.Type.SET";
+  } else if (type->is_list()) {
+    return "Thrift.Type.LIST";
+  }
+
+  throw "INVALID TYPE IN type_to_enum: " + type->get_name();
+}
+
+/**
+ * Converts a t_type to a TypeScript type (string).
+ * @param t_type Type to convert to TypeScript
+ * @return String TypeScript type
+ */
+string t_js_generator::ts_get_type(t_type* type) {
+  std::string ts_type;
+
+  type = get_true_type(type);
+
+  if (type->is_base_type()) {
+    t_base_type::t_base tbase = ((t_base_type*)type)->get_base();
+    switch (tbase) {
+    case t_base_type::TYPE_STRING:
+      ts_type = "string";
+      break;
+    case t_base_type::TYPE_BOOL:
+      ts_type = "boolean";
+      break;
+    case t_base_type::TYPE_BYTE:
+      ts_type = "any";
+      break;
+    case t_base_type::TYPE_I16:
+    case t_base_type::TYPE_I32:
+    case t_base_type::TYPE_I64:
+    case t_base_type::TYPE_DOUBLE:
+      ts_type = "number";
+      break;
+    case t_base_type::TYPE_VOID:
+      ts_type = "void";
+    }
+  } else if (type->is_enum() || type->is_struct() || type->is_xception()) {
+    std::string type_name;
+    if (type->get_program()) {
+      type_name = js_namespace(type->get_program());
+    }
+    type_name.append(type->get_name());
+    ts_type = type_name;
+  } else if (type->is_list() || type->is_set()) {
+    t_type* etype;
+
+    if (type->is_list()) {
+      etype = ((t_list*)type)->get_elem_type();
+    } else {
+      etype = ((t_set*)type)->get_elem_type();
+    }
+
+    ts_type = ts_get_type(etype) + "[]";
+  } else if (type->is_map()) {
+    string ktype = ts_get_type(((t_map*)type)->get_key_type());
+    string vtype = ts_get_type(((t_map*)type)->get_val_type());
+
+
+    if (ktype == "number" || ktype == "string" ) {
+      ts_type = "{ [k: " + ktype + "]: " + vtype + "; }";
+    } else if ((((t_map*)type)->get_key_type())->is_enum()) {
+      // Not yet supported (enum map): https://github.com/Microsoft/TypeScript/pull/2652
+      //ts_type = "{ [k: " + ktype + "]: " + vtype + "; }";
+      ts_type = "{ [k: number /*" + ktype + "*/]: " + vtype + "; }";
+    } else {
+      ts_type = "any";
+    }
+  }
+
+  return ts_type;
+}
+
+/**
+ * Renders a TypeScript function signature of the form 'name(args: types): type;'
+ *
+ * @param t_function Function definition
+ * @param bool in-/exclude the callback argument
+ * @return String of rendered function definition
+ */
+std::string t_js_generator::ts_function_signature(t_function* tfunction, bool include_callback) {
+  string str;
+  const vector<t_field*>& fields = tfunction->get_arglist()->get_members();
+  vector<t_field*>::const_iterator f_iter;
+
+  str = tfunction->get_name() + "(";
+
+  for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+    str += (*f_iter)->get_name() + ts_get_req(*f_iter) + ": " + ts_get_type((*f_iter)->get_type());
+
+    if (f_iter + 1 != fields.end() || (include_callback && fields.size() > 0)) {
+      str += ", ";
+    }
+  }
+
+  if (include_callback) {
+    str += "callback: Function): ";
+
+    if (gen_jquery_) {
+      str += "JQueryXHR;";
+    } else {
+      str += "void;";
+    }
+  } else {
+    str += "): " + ts_get_type(tfunction->get_returntype()) + ";";
+  }
+
+  return str;
+}
+
+THRIFT_REGISTER_GENERATOR(js,
+                          "Javascript",
+                          "    jquery:          Generate jQuery compatible code.\n"
+                          "    node:            Generate node.js compatible code.\n"
+                          "    ts:              Generate TypeScript definition files.\n")


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