compiler/cpp/src/thrift/generate/t_haxe_generator.cc - thrift - Git at Google

 /*
  * 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 <sstream>
 #include <string>
 #include <fstream>
 #include <iostream>
 #include <vector>
 #include <cctype>

 #include <sys/stat.h>
 #include <stdexcept>

 #include "thrift/platform.h"
 #include "thrift/generate/t_oop_generator.h"

 using std::map;
 using std::ostream;
 using std::ostringstream;
 using std::string;
 using std::stringstream;
 using std::vector;

 static const string endl = "\n"; // avoid ostream << std::endl flushes

 /**
  * Haxe code generator.
  *
  */
 class t_haxe_generator : public t_oop_generator {
 public:
   t_haxe_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;

     callbacks_ = false;
     rtti_ = false;
     buildmacro_ = "";
     for( iter = parsed_options.begin(); iter != parsed_options.end(); ++iter) {
       if( iter->first.compare("callbacks") == 0) {
         callbacks_ = true;
       } else if( iter->first.compare("rtti") == 0) {
         rtti_ = true;
       } else if( iter->first.compare("buildmacro") == 0) {
         buildmacro_ = (iter->second);
       } else {
         throw "unknown option haxe:" + iter->first;
       }
     }

     out_dir_base_ = "gen-haxe";
   }

   /**
    * Init and close methods
    */

   void init_generator() override;
   void close_generator() override;

   void generate_consts(std::vector<t_const*> consts) override;

   /**
    * Program-level generation functions
    */

   void generate_typedef(t_typedef* ttypedef) override;
   void generate_enum(t_enum* tenum) override;
   void generate_struct(t_struct* tstruct) override;
   void generate_xception(t_struct* txception) override;
   void generate_service(t_service* tservice) override;

   void print_const_value(std::ostream& out,
                          std::string name,
                          t_type* type,
                          t_const_value* value,
                          bool in_static,
                          bool defval = false);
   std::string render_const_value(ostream& out,
                                  std::string name,
                                  t_type* type,
                                  t_const_value* value);

   /**
    * Service-level generation functions
    */

   void generate_haxe_struct(t_struct* tstruct, bool is_exception, bool is_result = false);

   void generate_haxe_struct_definition(std::ostream& out,
                                        t_struct* tstruct,
                                        bool is_xception = false,
                                        bool is_result = false);
   // removed -- equality,compare_to
   void generate_haxe_struct_reader(std::ostream& out, t_struct* tstruct);
   void generate_haxe_validator(std::ostream& out, t_struct* tstruct);
   void generate_haxe_struct_result_writer(std::ostream& out, t_struct* tstruct);
   void generate_haxe_struct_writer(std::ostream& out, t_struct* tstruct);
   void generate_haxe_struct_tostring(std::ostream& out, t_struct* tstruct);
   void generate_haxe_meta_data_map(std::ostream& out, t_struct* tstruct);
   void generate_field_value_meta_data(std::ostream& out, t_type* type);
   std::string get_haxe_type_string(t_type* type);
   void generate_reflection_setters(std::ostringstream& out,
                                    t_type* type,
                                    std::string field_name,
                                    std::string cap_name);
   void generate_reflection_getters(std::ostringstream& out,
                                    t_type* type,
                                    std::string field_name,
                                    std::string cap_name);
   void generate_generic_field_getters_setters(std::ostream& out, t_struct* tstruct);
   void generate_generic_isset_method(std::ostream& out, t_struct* tstruct);
   void generate_property_getters_setters(std::ostream& out, t_struct* tstruct);

   void generate_function_helpers(t_function* tfunction);
   std::string get_cap_name(std::string name);
   std::string generate_isset_check(t_field* field);
   std::string generate_isset_check(std::string field);
   void generate_isset_set(ostream& out, t_field* field);
   // removed std::string isset_field_id(t_field* field);

   void generate_service_interface(t_service* tservice);
   void generate_service_helpers(t_service* tservice);
   void generate_service_client(t_service* tservice);
   void generate_service_server(t_service* tservice);
   void generate_process_function(t_service* tservice, t_function* tfunction);
   void generate_service_method_signature(t_function* tfunction, bool is_interface);

   /**
    * Serialization constructs
    */

   void generate_deserialize_field(std::ostream& out, t_field* tfield, std::string prefix = "");
   void generate_deserialize_struct(std::ostream& out, t_struct* tstruct, std::string prefix = "");
   void generate_deserialize_container(std::ostream& out, t_type* ttype, std::string prefix = "");
   void generate_deserialize_set_element(std::ostream& out, t_set* tset, std::string prefix = "");
   void generate_deserialize_map_element(std::ostream& out, t_map* tmap, std::string prefix = "");
   void generate_deserialize_list_element(std::ostream& out,
                                          t_list* tlist,
                                          std::string prefix = "");

   void generate_serialize_field(std::ostream& out, t_field* tfield, std::string prefix = "");
   void generate_serialize_struct(std::ostream& out, t_struct* tstruct, std::string prefix = "");
   void generate_serialize_container(std::ostream& out, t_type* ttype, std::string prefix = "");
   void generate_serialize_set_element(std::ostream& out, t_set* tmap, std::string iter);
   void generate_serialize_list_element(std::ostream& out, t_list* tlist, std::string iter);
   void generate_serialize_map_element(std::ostream& out,
                                       t_map* tmap,
                                       std::string iter,
                                       std::string map);

   void generate_haxe_doc(std::ostream& out, t_doc* tdoc);
   void generate_haxe_doc(std::ostream& out, t_function* tdoc);

   void generate_rtti_decoration(std::ostream& out);
   void generate_macro_decoration(std::ostream& out);

   /**
    * Helper rendering functions
    */

   std::string haxe_package();
   std::string haxe_type_imports();
   std::string haxe_thrift_imports();
   std::string haxe_thrift_gen_imports(t_struct* tstruct, string& imports);
   std::string haxe_thrift_gen_imports(t_service* tservice);
   std::string type_name(t_type* ttype, bool in_container = false, bool in_init = false);
   std::string base_type_name(t_base_type* tbase, bool in_container = false);
   std::string declare_field(t_field* tfield, bool init = false);
   std::string function_signature_callback(t_function* tfunction);
   std::string function_signature_normal(t_function* tfunction);
   std::string argument_list(t_struct* tstruct);
   std::string type_to_enum(t_type* ttype);
   std::string get_enum_class_name(t_type* type) override;
   string generate_service_method_onsuccess(t_function* tfunction, bool as_type, bool omit_name);
   void generate_service_method_signature_callback(t_function* tfunction, bool is_interface);
   void generate_service_method_signature_normal(t_function* tfunction, bool is_interface);

   bool type_can_be_null(t_type* ttype) {
     ttype = get_true_type(ttype);

     if (ttype->is_container() || ttype->is_struct() || ttype->is_xception() || ttype->is_string()) {
       return true;
     }

     if (ttype->is_base_type()) {
       t_base_type::t_base tbase = ((t_base_type*)ttype)->get_base();
       switch (tbase) {
       case t_base_type::TYPE_STRING:
         // case t_base_type::TYPE_I64:  - Int64 is not really nullable, even though it behaved that
         // way before Haxe 3.2.0
         return true;
       default:
         return false;
       }
     }

     return false;
   }

   std::string constant_name(std::string name);

 private:
   bool callbacks_;
   bool rtti_;
   string buildmacro_;

   /**
    * File streams
    */

   std::string package_name_;
   ofstream_with_content_based_conditional_update f_service_;
   std::string package_dir_;
 };

 /**
  * Prepares for file generation by opening up the necessary file output
  * streams.
  *
  * @param tprogram The program to generate
  */
 void t_haxe_generator::init_generator() {
   // Make output directory
   MKDIR(get_out_dir().c_str());
   package_name_ = program_->get_namespace("haxe");

   // Haxe package names are lowercase
   if (package_name_.length() > 0) {
     package_name_[0] = tolower(package_name_[0]);
     size_t index = package_name_.find('.');
     while (index != std::string::npos) {
       if (++index < package_name_.length()) {
         package_name_[index] = tolower(package_name_[index]);
       }
       index = package_name_.find('.', index);
     }
   }

   string dir = package_name_;
   string subdir = get_out_dir();
   string::size_type loc;
   while ((loc = dir.find(".")) != string::npos) {
     subdir = subdir + "/" + dir.substr(0, loc);
     MKDIR(subdir.c_str());
     dir = dir.substr(loc + 1);
   }
   if (dir.size() > 0) {
     subdir = subdir + "/" + dir;
     MKDIR(subdir.c_str());
   }

   package_dir_ = subdir;
 }

 /**
  * Packages the generated file
  *
  * @return String of the package, i.e. "package org.apache.thriftdemo;"
  */
 string t_haxe_generator::haxe_package() {
   if (!package_name_.empty()) {
     return string("package ") + package_name_;
   }
   return "package";
 }

 /**
  * Prints standard haxe imports
  *
  * @return List of imports for haxe types that are used in here
  */
 string t_haxe_generator::haxe_type_imports() {
   return string() + "import org.apache.thrift.helper.*;\n" + "import haxe.io.Bytes;\n"
          + "import haxe.ds.IntMap;\n" + "import haxe.ds.StringMap;\n"
          + "import haxe.ds.ObjectMap;\n" + "\n" + "#if flash\n"
          + "import flash.errors.ArgumentError;\n" + "#end\n" + "\n";
 }

 /**
  * Prints standard haxe imports
  *
  * @return List of imports necessary for thrift
  */
 string t_haxe_generator::haxe_thrift_imports() {
   return string() + "import org.apache.thrift.*;\n" + "import org.apache.thrift.meta_data.*;\n"
          + "import org.apache.thrift.protocol.*;\n" + "\n";
 }

 /**
  * Prints imports needed for a given type
  *
  * @return List of imports necessary for a given t_struct
  */
 string t_haxe_generator::haxe_thrift_gen_imports(t_struct* tstruct, string& imports) {

   const vector<t_field*>& members = tstruct->get_members();
   vector<t_field*>::const_iterator m_iter;

   // For each type check if it is from a different namespace
   for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
     t_program* program = (*m_iter)->get_type()->get_program();
     if (program != nullptr && program != program_) {
       string package = program->get_namespace("haxe");
       if (!package.empty()) {
         if (imports.find(package + "." + (*m_iter)->get_type()->get_name()) == string::npos) {
           imports.append("import " + package + "." + (*m_iter)->get_type()->get_name() + ";\n");
         }
       }
     }
   }
   return imports;
 }

 /**
  * Prints imports needed for a given type
  *
  * @return List of imports necessary for a given t_service
  */
 string t_haxe_generator::haxe_thrift_gen_imports(t_service* tservice) {
   string imports;
   const vector<t_function*>& functions = tservice->get_functions();
   vector<t_function*>::const_iterator f_iter;

   // For each type check if it is from a different namespace
   for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) {
     t_program* program = (*f_iter)->get_returntype()->get_program();
     if (program != nullptr && program != program_) {
       string package = program->get_namespace("haxe");
       if (!package.empty()) {
         if (imports.find(package + "." + (*f_iter)->get_returntype()->get_name()) == string::npos) {
           imports.append("import " + package + "." + (*f_iter)->get_returntype()->get_name()
                          + ";\n");
         }
       }
     }

     haxe_thrift_gen_imports((*f_iter)->get_arglist(), imports);
     haxe_thrift_gen_imports((*f_iter)->get_xceptions(), imports);
   }

   return imports;
 }

 /**
  * Nothing in haxe
  */
 void t_haxe_generator::close_generator() {
 }

 /**
  * Generates a typedef. This is not done in haxe, since it does
  * not support arbitrary name replacements, and it'd be a wacky waste
  * of overhead to make wrapper classes.
  *
  * @param ttypedef The type definition
  */
 void t_haxe_generator::generate_typedef(t_typedef* ttypedef) {
   (void)ttypedef;
 }

 /**
  * Enums are a class with a set of static constants.
  *
  * @param tenum The enumeration
  */
 void t_haxe_generator::generate_enum(t_enum* tenum) {
   // Make output file
   string f_enum_name = package_dir_ + "/" + get_cap_name(tenum->get_name()) + ".hx";
   ofstream_with_content_based_conditional_update f_enum;
   f_enum.open(f_enum_name.c_str());

   // Comment and package it
   f_enum << autogen_comment() << haxe_package() << ";" << endl << endl;

   // Add haxe imports
   f_enum << string() + "import org.apache.thrift.helper.*;" << endl << endl;

   generate_rtti_decoration(f_enum);
   generate_macro_decoration(f_enum);
   indent(f_enum) << "class " << get_cap_name(tenum->get_name()) << " ";
   scope_up(f_enum);

   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();
     indent(f_enum) << "public static inline var " << (*c_iter)->get_name() << " : Int = " << value
                    << ";" << endl;
   }

   // Create a static Set with all valid values for this enum
   f_enum << endl;

   indent(f_enum) << "public static var VALID_VALUES = { new IntSet( [";
   indent_up();
   bool firstValue = true;
   for (c_iter = constants.begin(); c_iter != constants.end(); ++c_iter) {
     // populate set
     f_enum << (firstValue ? "" : ", ") << (*c_iter)->get_name();
     firstValue = false;
   }
   indent_down();
   f_enum << "]); };" << endl;

   indent(f_enum) << "public static var VALUES_TO_NAMES = { [";
   indent_up();
   firstValue = true;
   for (c_iter = constants.begin(); c_iter != constants.end(); ++c_iter) {
     f_enum << (firstValue ? "" : ",") << endl;
     indent(f_enum) << (*c_iter)->get_name() << " => \"" << (*c_iter)->get_name() << "\"";
     firstValue = false;
   }
   f_enum << endl;
   indent_down();
   indent(f_enum) << "]; };" << endl;

   scope_down(f_enum); // end class

   f_enum.close();
 }

 /**
  * Generates a class that holds all the constants.
  */
 void t_haxe_generator::generate_consts(std::vector<t_const*> consts) {
   if (consts.empty()) {
     return;
   }

   string f_consts_name = package_dir_ + "/" + get_cap_name(program_name_) + "Constants.hx";
   ofstream_with_content_based_conditional_update f_consts;
   f_consts.open(f_consts_name.c_str());

   // Print header
   f_consts << autogen_comment() << haxe_package() << ";" << endl << endl;

   f_consts << endl;

   f_consts << haxe_type_imports();

   generate_rtti_decoration(f_consts);
   generate_macro_decoration(f_consts);
   indent(f_consts) << "class " << get_cap_name(program_name_) << "Constants {" << endl << endl;
   indent_up();
   vector<t_const*>::iterator c_iter;
   for (c_iter = consts.begin(); c_iter != consts.end(); ++c_iter) {
     print_const_value(f_consts,
                       (*c_iter)->get_name(),
                       (*c_iter)->get_type(),
                       (*c_iter)->get_value(),
                       false);
   }
   indent_down();
   indent(f_consts) << "}" << endl;
   f_consts.close();
 }

 void t_haxe_generator::print_const_value(std::ostream& out,
                                          string name,
                                          t_type* type,
                                          t_const_value* value,
                                          bool in_static,
                                          bool defval) {
   type = get_true_type(type);

   indent(out);
   if (!defval) {
     out << (in_static ? "var " : "public static inline var  ");
   }
   if (type->is_base_type()) {
     string v2 = render_const_value(out, name, type, value);
     out << name;
     if (!defval) {
       out << ":" << type_name(type);
     }
     out << " = " << v2 << ";" << endl << endl;
   } else if (type->is_enum()) {
     out << name;
     if (!defval) {
       out << ":" << type_name(type);
     }
     out << " = " << value->get_integer() << ";" << endl << endl;
   } else if (type->is_struct() || type->is_xception()) {
     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*, t_const_value::value_compare>& val = value->get_map();
     map<t_const_value*, t_const_value*, t_const_value::value_compare>::const_iterator v_iter;
     out << name << ":" << type_name(type) << " = new " << type_name(type, false, true) << "();"
         << endl;
     if (!in_static) {
       indent(out) << "{" << endl;
       indent_up();
       indent(out) << "new function() : Void {" << endl;
       indent_up();
     }
     for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) {
       t_type* field_type = nullptr;
       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 == nullptr) {
         throw "type error: " + type->get_name() + " has no field " + v_iter->first->get_string();
       }
       string val = render_const_value(out, name, field_type, v_iter->second);
       indent(out) << name << ".";
       out << v_iter->first->get_string() << " = " << val << ";" << endl;
     }
     if (!in_static) {
       indent_down();
       indent(out) << "}();" << endl;
       indent_down();
       indent(out) << "}" << endl;
     }
     out << endl;
   } else if (type->is_map()) {
     out << name;
     if (!defval) {
       out << ":" << type_name(type);
     }
     out << " = new " << type_name(type, false, true) << "();" << endl;
     if (!in_static) {
       indent(out) << "{" << endl;
       indent_up();
       indent(out) << "new function() : Void {" << endl;
       indent_up();
     }
     t_type* ktype = ((t_map*)type)->get_key_type();
     t_type* vtype = ((t_map*)type)->get_val_type();
     const map<t_const_value*, t_const_value*, t_const_value::value_compare>& val = value->get_map();
     map<t_const_value*, t_const_value*, t_const_value::value_compare>::const_iterator v_iter;
     for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) {
       string key = render_const_value(out, name, ktype, v_iter->first);
       string val = render_const_value(out, name, vtype, v_iter->second);
       indent(out) << name << "[" << key << "] = " << val << ";" << endl;
     }
     if (!in_static) {
       indent_down();
       indent(out) << "}();" << endl;
       indent_down();
       indent(out) << "}" << endl;
     }
     out << endl;
   } else if (type->is_list() || type->is_set()) {
     out << name;
     if (!defval) {
       out << ":" << type_name(type);
     }
     out << " = new " << type_name(type, false, true) << "();" << endl;
     if (!in_static) {
       indent(out) << "{" << endl;
       indent_up();
       indent(out) << "new function() : Void {" << endl;
       indent_up();
     }
     t_type* etype;
     if (type->is_list()) {
       etype = ((t_list*)type)->get_elem_type();
     } else {
       etype = ((t_set*)type)->get_elem_type();
     }
     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) {
       string val = render_const_value(out, name, etype, *v_iter);
       indent(out) << name << "." << (type->is_list() ? "push" : "add") << "(" << val << ");"
                   << endl;
     }
     if (!in_static) {
       indent_down();
       indent(out) << "}();" << endl;
       indent_down();
       indent(out) << "}" << endl;
     }
     out << endl;
   } else {
     throw "compiler error: no const of type " + type->get_name();
   }
 }

 string t_haxe_generator::render_const_value(ostream& out,
                                             string name,
                                             t_type* type,
                                             t_const_value* value) {
   (void)name;
   type = get_true_type(type);
   std::ostringstream render;

   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:
       render << '"' << get_escaped_string(value) << '"';
       break;
     case t_base_type::TYPE_BOOL:
       render << ((value->get_integer() > 0) ? "true" : "false");
       break;
     case t_base_type::TYPE_I8:
       render << "(byte)" << value->get_integer();
       break;
     case t_base_type::TYPE_I16:
       render << "(short)" << value->get_integer();
       break;
     case t_base_type::TYPE_I32:
       render << value->get_integer();
       break;
     case t_base_type::TYPE_I64:
       render << value->get_integer() << "L";
       break;
     case t_base_type::TYPE_DOUBLE:
       if (value->get_type() == t_const_value::CV_INTEGER) {
         render << "(double)" << value->get_integer();
       } else {
         render << 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()) {
     render << value->get_integer();
   } else {
     string t = tmp("tmp");
     print_const_value(out, t, type, value, true);
     render << t;
   }

   return render.str();
 }

 /**
  * Generates a struct definition for a thrift data type. This is a class
  * with data members, read(), write(), and an inner Isset class.
  *
  * @param tstruct The struct definition
  */
 void t_haxe_generator::generate_struct(t_struct* tstruct) {
   generate_haxe_struct(tstruct, false);
 }

 /**
  * Exceptions are structs, but they inherit from Exception
  *
  * @param tstruct The struct definition
  */
 void t_haxe_generator::generate_xception(t_struct* txception) {
   generate_haxe_struct(txception, true);
 }

 /**
  * Haxe struct definition.
  *
  * @param tstruct The struct definition
  */
 void t_haxe_generator::generate_haxe_struct(t_struct* tstruct, bool is_exception, bool is_result) {
   // Make output file
   string f_struct_name = package_dir_ + "/" + get_cap_name(tstruct->get_name()) + ".hx";
   ofstream_with_content_based_conditional_update f_struct;
   f_struct.open(f_struct_name.c_str());

   f_struct << autogen_comment() << haxe_package() << ";" << endl;

   f_struct << endl;

   string imports;

   f_struct << haxe_type_imports() << haxe_thrift_imports()
            << haxe_thrift_gen_imports(tstruct, imports) << endl;

   generate_haxe_struct_definition(f_struct, tstruct, is_exception, is_result);

   f_struct.close();
 }

 /**
  * haxe struct definition. This has various parameters, as it could be
  * generated standalone or inside another class as a helper. If it
  * is a helper than it is a static class.
  *
  * @param tstruct      The struct definition
  * @param is_exception Is this an exception?
  * @param in_class     If inside a class, needs to be static class
  * @param is_result    If this is a result it needs a different writer
  */
 void t_haxe_generator::generate_haxe_struct_definition(ostream& out,
                                                        t_struct* tstruct,
                                                        bool is_exception,
                                                        bool is_result) {
   generate_haxe_doc(out, tstruct);

   string clsname = get_cap_name(tstruct->get_name());

   generate_rtti_decoration(out);
   generate_macro_decoration(out);
   indent(out) << "class " << clsname << " ";

   if (is_exception) {
     out << "extends TException ";
   }
   out << "implements TBase ";

   scope_up(out);
   indent(out) << endl;

   indent(out) << "static var STRUCT_DESC = { new TStruct(\"" << tstruct->get_name() << "\"); };"
               << endl;

   const vector<t_field*>& members = tstruct->get_members();
   vector<t_field*>::const_iterator m_iter;

   for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
     indent(out) << "static var " << constant_name((*m_iter)->get_name())
                 << "_FIELD_DESC = { new TField(\"" << (*m_iter)->get_name() << "\", "
                 << type_to_enum((*m_iter)->get_type()) << ", " << (*m_iter)->get_key() << "); };"
                 << endl;
   }
   out << endl;

   for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
     generate_haxe_doc(out, *m_iter);
     // indent(out) << "private var _" << (*m_iter)->get_name() + " : " +
     // type_name((*m_iter)->get_type()) << ";" << endl;
     indent(out) << "@:isVar" << endl;
     indent(out) << "public var "
                 << (*m_iter)->get_name() + "(get,set) : "
                    + get_cap_name(type_name((*m_iter)->get_type())) << ";" << endl;
   }

   out << endl;

   for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
     indent(out) << "inline static var " << upcase_string((*m_iter)->get_name())
                 << "_FIELD_ID : Int = " << (*m_iter)->get_key() << ";" << endl;
   }

   out << endl;

   // Inner Isset class
   if (members.size() > 0) {
     for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
       if (!type_can_be_null((*m_iter)->get_type())) {
         indent(out) << "private var __isset_" << (*m_iter)->get_name() << " : Bool = false;"
                     << endl;
       }
     }
   }

   out << endl;

   // Static initializer to populate global class to struct metadata map
   if (false) {
     // TODO: reactivate when needed
     generate_haxe_meta_data_map(out, tstruct);
     indent(out) << "{" << endl;
     indent_up();
     indent(out) << "FieldMetaData.addStructMetaDataMap(" << type_name(tstruct) << ", metaDataMap);"
                 << endl;
     indent_down();
     indent(out) << "}" << endl;
     indent(out) << "}" << endl;
   }

   // Default constructor
   indent(out) << "public function new() {" << endl;
   indent_up();
   if (is_exception) {
     indent(out) << "super();" << endl;
   }
   for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
     if ((*m_iter)->get_value() != nullptr) {
       indent(out) << "this." << (*m_iter)->get_name() << " = "
                   << (*m_iter)->get_value()->get_integer() << ";" << endl;
     }
   }
   indent_down();
   indent(out) << "}" << endl << endl;

   generate_property_getters_setters(out, tstruct);
   generate_generic_field_getters_setters(out, tstruct);
   generate_generic_isset_method(out, tstruct);

   generate_haxe_struct_reader(out, tstruct);
   if (is_result) {
     generate_haxe_struct_result_writer(out, tstruct);
   } else {
     generate_haxe_struct_writer(out, tstruct);
   }
   generate_haxe_struct_tostring(out, tstruct);
   generate_haxe_validator(out, tstruct);
   scope_down(out);
   out << endl;
 }

 /**
  * Generates a function to read all the fields of the struct.
  *
  * @param tstruct The struct definition
  */
 void t_haxe_generator::generate_haxe_struct_reader(ostream& out, t_struct* tstruct) {
   out << indent() << "public function read( iprot : TProtocol) : Void {" << endl;
   indent_up();

   const vector<t_field*>& fields = tstruct->get_members();
   vector<t_field*>::const_iterator f_iter;

   indent(out) << "iprot.IncrementRecursionDepth();" << endl;
   indent(out) << "try" << endl;
   scope_up(out);

   // Declare stack tmp variables and read struct header
   out << indent() << "var field : TField;" << endl << indent() << "iprot.readStructBegin();"
       << endl;

   // Loop over reading in fields
   indent(out) << "while (true)" << endl;
   scope_up(out);

   // Read beginning field marker
   indent(out) << "field = iprot.readFieldBegin();" << endl;

   // Check for field STOP marker and break
   indent(out) << "if (field.type == TType.STOP) { " << endl;
   indent_up();
   indent(out) << "break;" << endl;
   indent_down();
   indent(out) << "}" << endl;

   // Switch statement on the field we are reading
   indent(out) << "switch (field.id)" << endl;

   scope_up(out);

   // Generate deserialization code for known cases
   for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
     indent(out) << "case " << upcase_string((*f_iter)->get_name()) << "_FIELD_ID:" << endl;
     indent_up();
     indent(out) << "if (field.type == " << type_to_enum((*f_iter)->get_type()) << ") {" << endl;
     indent_up();

     generate_deserialize_field(out, *f_iter, "this.");
     generate_isset_set(out, *f_iter);
     indent_down();
     out << indent() << "} else { " << endl << indent() << "  TProtocolUtil.skip(iprot, field.type);"
         << endl << indent() << "}" << endl;
     indent_down();
   }

   // In the default case we skip the field
   out << indent() << "default:" << endl << indent() << "  TProtocolUtil.skip(iprot, field.type);"
       << endl;

   scope_down(out);

   // Read field end marker
   indent(out) << "iprot.readFieldEnd();" << endl;

   scope_down(out);

   out << indent() << "iprot.readStructEnd();" << endl << endl;

   indent(out) << "iprot.DecrementRecursionDepth();" << endl;
   scope_down(out);
   indent(out) << "catch(e:Dynamic)" << endl;
   scope_up(out);
   indent(out) << "iprot.DecrementRecursionDepth();" << endl;
   indent(out) << "throw e;" << endl;
   scope_down(out);

   // check for required fields of primitive type
   // (which can be checked here but not in the general validate method)
   out << endl << indent() << "// check for required fields of primitive type, which can't be "
                              "checked in the validate method" << endl;
   for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
     if ((*f_iter)->get_req() == t_field::T_REQUIRED && !type_can_be_null((*f_iter)->get_type())) {
       out << indent() << "if (!__isset_" << (*f_iter)->get_name() << ") {" << endl << indent()
           << "  throw new TProtocolException(TProtocolException.UNKNOWN, \"Required field '"
           << (*f_iter)->get_name()
           << "' was not found in serialized data! Struct: \" + toString());" << endl << indent()
           << "}" << endl;
     }
   }

   // performs various checks (e.g. check that all required fields are set)
   indent(out) << "validate();" << endl;

   indent_down();
   out << indent() << "}" << endl << endl;
 }

 // generates haxe method to perform various checks
 // (e.g. check that all required fields are set)
 void t_haxe_generator::generate_haxe_validator(ostream& out, t_struct* tstruct) {
   indent(out) << "public function validate() : Void {" << endl;
   indent_up();

   const vector<t_field*>& fields = tstruct->get_members();
   vector<t_field*>::const_iterator f_iter;

   out << indent() << "// check for required fields" << endl;
   for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
     if ((*f_iter)->get_req() == t_field::T_REQUIRED) {
       if (type_can_be_null((*f_iter)->get_type())) {
         indent(out) << "if (" << (*f_iter)->get_name() << " == null) {" << endl;
         indent(out)
             << "  throw new TProtocolException(TProtocolException.UNKNOWN, \"Required field '"
             << (*f_iter)->get_name() << "' was not present! Struct: \" + toString());" << endl;
         indent(out) << "}" << endl;
       } else {
         indent(out) << "// alas, we cannot check '" << (*f_iter)->get_name()
                     << "' because it's a primitive." << endl;
       }
     }
   }

   // check that fields of type enum have valid values
   out << indent() << "// check that fields of type enum have valid values" << endl;
   for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
     t_field* field = (*f_iter);
     t_type* type = field->get_type();
     // if field is an enum, check that its value is valid
     if (type->is_enum()) {
       indent(out) << "if (" << generate_isset_check(field) << " && !"
                   << get_cap_name(get_enum_class_name(type)) << ".VALID_VALUES.contains("
                   << field->get_name() << ")){" << endl;
       indent_up();
       indent(out) << "throw new TProtocolException(TProtocolException.UNKNOWN, \"The field '"
                   << field->get_name() << "' has been assigned the invalid value \" + "
                   << field->get_name() << ");" << endl;
       indent_down();
       indent(out) << "}" << endl;
     }
   }

   indent_down();
   indent(out) << "}" << endl << endl;
 }

 /**
  * Generates a function to write all the fields of the struct
  *
  * @param tstruct The struct definition
  */
 void t_haxe_generator::generate_haxe_struct_writer(ostream& out, t_struct* tstruct) {
   out << indent() << "public function write(oprot:TProtocol) : Void {" << endl;
   indent_up();

   string name = tstruct->get_name();
   const vector<t_field*>& fields = tstruct->get_sorted_members();
   vector<t_field*>::const_iterator f_iter;

   // performs various checks (e.g. check that all required fields are set)
   indent(out) << "validate();" << endl;
   indent(out) << "oprot.IncrementRecursionDepth();" << endl;
   indent(out) << "try" << endl;
   scope_up(out);

   indent(out) << "oprot.writeStructBegin(STRUCT_DESC);" << endl;

   for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
     bool could_be_unset = (*f_iter)->get_req() == t_field::T_OPTIONAL;
     if (could_be_unset) {
       indent(out) << "if (" << generate_isset_check(*f_iter) << ") {" << endl;
       indent_up();
     }
     bool null_allowed = type_can_be_null((*f_iter)->get_type());
     if (null_allowed) {
       out << indent() << "if (this." << (*f_iter)->get_name() << " != null) {" << endl;
       indent_up();
     }

     indent(out) << "oprot.writeFieldBegin(" << constant_name((*f_iter)->get_name())
                 << "_FIELD_DESC);" << endl;

     // Write field contents
     generate_serialize_field(out, *f_iter, "this.");

     // Write field closer
     indent(out) << "oprot.writeFieldEnd();" << endl;

     if (null_allowed) {
       indent_down();
       indent(out) << "}" << endl;
     }
     if (could_be_unset) {
       indent_down();
       indent(out) << "}" << endl;
     }
   }

   indent(out) << "oprot.writeFieldStop();" << endl;
   indent(out) << "oprot.writeStructEnd();" << endl;

   indent(out) << "oprot.DecrementRecursionDepth();" << endl;
   scope_down(out);
   indent(out) << "catch(e:Dynamic)" << endl;
   scope_up(out);
   indent(out) << "oprot.DecrementRecursionDepth();" << endl;
   indent(out) << "throw e;" << endl;
   scope_down(out);

   indent_down();
   out << indent() << "}" << endl << endl;
 }

 /**
  * Generates a function to write all the fields of the struct,
  * which is a function result. These fields are only written
  * if they are set in the Isset array, and only one of them
  * can be set at a time.
  *
  * @param tstruct The struct definition
  */
 void t_haxe_generator::generate_haxe_struct_result_writer(ostream& out, t_struct* tstruct) {
   out << indent() << "public function write(oprot:TProtocol) : Void {" << endl;
   indent_up();

   string name = tstruct->get_name();
   const vector<t_field*>& fields = tstruct->get_sorted_members();
   vector<t_field*>::const_iterator f_iter;

   indent(out) << "oprot.IncrementRecursionDepth();" << endl;
   indent(out) << "try" << endl;
   scope_up(out);

   indent(out) << "oprot.writeStructBegin(STRUCT_DESC);" << endl;

   bool first = true;
   for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
     if (first) {
       first = false;
       out << endl << indent() << "if ";
     } else {
       out << " else if ";
     }

     out << "(this." << generate_isset_check(*f_iter) << ") {" << endl;

     indent_up();

     indent(out) << "oprot.writeFieldBegin(" << constant_name((*f_iter)->get_name())
                 << "_FIELD_DESC);" << endl;

     // Write field contents
     generate_serialize_field(out, *f_iter, "this.");

     // Write field closer
     indent(out) << "oprot.writeFieldEnd();" << endl;

     indent_down();
     indent(out) << "}";
   }

   indent(out) << endl;
   indent(out) << "oprot.writeFieldStop();" << endl;
   indent(out) << "oprot.writeStructEnd();" << endl;

   indent(out) << "oprot.DecrementRecursionDepth();" << endl;
   scope_down(out);
   indent(out) << "catch(e:Dynamic)" << endl;
   scope_up(out);
   indent(out) << "oprot.DecrementRecursionDepth();" << endl;
   indent(out) << "throw e;" << endl;
   scope_down(out);

   indent_down();
   out << indent() << "}" << endl << endl;
 }

 void t_haxe_generator::generate_reflection_getters(ostringstream& out,
                                                    t_type* type,
                                                    string field_name,
                                                    string cap_name) {
   (void)type;
   (void)cap_name;
   indent(out) << "case " << upcase_string(field_name) << "_FIELD_ID:" << endl;
   indent_up();
   indent(out) << "return this." << field_name << ";" << endl;
   indent_down();
 }

 void t_haxe_generator::generate_reflection_setters(ostringstream& out,
                                                    t_type* type,
                                                    string field_name,
                                                    string cap_name) {
   (void)type;
   (void)cap_name;
   indent(out) << "case " << upcase_string(field_name) << "_FIELD_ID:" << endl;
   indent_up();
   indent(out) << "if (value == null) {" << endl;
   indent(out) << "  unset" << get_cap_name(field_name) << "();" << endl;
   indent(out) << "} else {" << endl;
   indent(out) << "  this." << field_name << " = value;" << endl;
   indent(out) << "}" << endl << endl;

   indent_down();
 }

 void t_haxe_generator::generate_generic_field_getters_setters(std::ostream& out,
                                                               t_struct* tstruct) {

   std::ostringstream getter_stream;
   std::ostringstream setter_stream;

   // build up the bodies of both the getter and setter at once
   const vector<t_field*>& fields = tstruct->get_members();
   vector<t_field*>::const_iterator f_iter;
   for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
     t_field* field = *f_iter;
     t_type* type = get_true_type(field->get_type());
     std::string field_name = field->get_name();
     std::string cap_name = get_cap_name(field_name);

     indent_up();
     generate_reflection_setters(setter_stream, type, field_name, cap_name);
     generate_reflection_getters(getter_stream, type, field_name, cap_name);
     indent_down();
   }

   // create the setter
   indent(out) << "public function setFieldValue(fieldID : Int, value : Dynamic) : Void {" << endl;
   indent_up();

   if (fields.size() > 0) {
     indent(out) << "switch (fieldID) {" << endl;
     out << setter_stream.str();
     indent(out) << "default:" << endl;
     indent(out) << "  throw new ArgumentError(\"Field \" + fieldID + \" doesn't exist!\");" << endl;
     indent(out) << "}" << endl;
   } else {
     indent(out) << "throw new ArgumentError(\"Field \" + fieldID + \" doesn't exist!\");" << endl;
   }

   indent_down();
   indent(out) << "}" << endl << endl;

   // create the getter
   indent(out) << "public function getFieldValue(fieldID : Int) : Dynamic {" << endl;
   indent_up();

   if (fields.size() > 0) {
     indent(out) << "switch (fieldID) {" << endl;
     out << getter_stream.str();
     indent(out) << "default:" << endl;
     indent(out) << "  throw new ArgumentError(\"Field \" + fieldID + \" doesn't exist!\");" << endl;
     indent(out) << "}" << endl;
   } else {
     indent(out) << "throw new ArgumentError(\"Field \" + fieldID + \" doesn't exist!\");" << endl;
   }

   indent_down();

   indent(out) << "}" << endl << endl;
 }

 // Creates a generic isSet method that takes the field number as argument
 void t_haxe_generator::generate_generic_isset_method(std::ostream& out, t_struct* tstruct) {
   const vector<t_field*>& fields = tstruct->get_members();
   vector<t_field*>::const_iterator f_iter;

   // create the isSet method
   indent(out) << "// Returns true if field corresponding to fieldID is set (has been assigned a "
                  "value) and false otherwise" << endl;
   indent(out) << "public function isSet(fieldID : Int) : Bool {" << endl;
   indent_up();
   if (fields.size() > 0) {
     indent(out) << "switch (fieldID) {" << endl;

     for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
       t_field* field = *f_iter;
       indent(out) << "case " << upcase_string(field->get_name()) << "_FIELD_ID:" << endl;
       indent_up();
       indent(out) << "return " << generate_isset_check(field) << ";" << endl;
       indent_down();
     }

     indent(out) << "default:" << endl;
     indent(out) << "  throw new ArgumentError(\"Field \" + fieldID + \" doesn't exist!\");" << endl;
     indent(out) << "}" << endl;
   } else {
     indent(out) << "throw new ArgumentError(\"Field \" + fieldID + \" doesn't exist!\");" << endl;
   }

   indent_down();
   indent(out) << "}" << endl << endl;
 }

 /**
  * Generates a set of property setters/getters for the given struct.
  *
  * @param tstruct The struct definition
  */
 void t_haxe_generator::generate_property_getters_setters(ostream& out, t_struct* tstruct) {
   const vector<t_field*>& fields = tstruct->get_members();
   vector<t_field*>::const_iterator f_iter;
   for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
     t_field* field = *f_iter;
     t_type* type = get_true_type(field->get_type());
     std::string field_name = field->get_name();
     std::string cap_name = get_cap_name(field_name);

     // Simple getter
     generate_haxe_doc(out, field);
     indent(out) << "public function get_" << field_name << "() : " << get_cap_name(type_name(type))
                 << " {" << endl;
     indent_up();
     indent(out) << "return this." << field_name << ";" << endl;
     indent_down();
     indent(out) << "}" << endl << endl;

     // Simple setter
     generate_haxe_doc(out, field);
     indent(out) << "public function set_" << field_name << "(" << field_name << ":"
                 << get_cap_name(type_name(type)) << ") : " << get_cap_name(type_name(type)) << " {"
                 << endl;
     indent_up();
     indent(out) << "this." << field_name << " = " << field_name << ";" << endl;
     generate_isset_set(out, field);
     indent(out) << "return this." << field_name << ";" << endl;

     indent_down();
     indent(out) << "}" << endl << endl;

     // Unsetter
     indent(out) << "public function unset" << cap_name << "() : Void {" << endl;
     indent_up();
     if (type_can_be_null(type)) {
       indent(out) << "this." << field_name << " = null;" << endl;
     } else {
       indent(out) << "this.__isset_" << field_name << " = false;" << endl;
     }
     indent_down();
     indent(out) << "}" << endl << endl;

     // isSet method
     indent(out) << "// Returns true if field " << field_name
                 << " is set (has been assigned a value) and false otherwise" << endl;
     indent(out) << "public function is" << get_cap_name("set") << cap_name << "() : Bool {" << endl;
     indent_up();
     if (type_can_be_null(type)) {
       indent(out) << "return this." << field_name << " != null;" << endl;
     } else {
       indent(out) << "return this.__isset_" << field_name << ";" << endl;
     }
     indent_down();
     indent(out) << "}" << endl << endl;
   }
 }

 /**
  * Generates a toString() method for the given struct
  *
  * @param tstruct The struct definition
  */
 void t_haxe_generator::generate_haxe_struct_tostring(ostream& out, t_struct* tstruct) {
   out << indent() << "public "
       << "function toString() : String {" << endl;
   indent_up();

   out << indent() << "var ret : String = \"" << tstruct->get_name() << "(\";" << endl;
   out << indent() << "var first : Bool = true;" << endl << endl;

   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) {
     bool could_be_unset = (*f_iter)->get_req() == t_field::T_OPTIONAL;
     if (could_be_unset) {
       indent(out) << "if (" << generate_isset_check(*f_iter) << ") {" << endl;
       indent_up();
     }

     t_field* field = (*f_iter);

     if (!first) {
       indent(out) << "if (!first) ret +=  \", \";" << endl;
     }
     indent(out) << "ret += \"" << (*f_iter)->get_name() << ":\";" << endl;
     bool can_be_null = type_can_be_null(field->get_type());
     if (can_be_null) {
       indent(out) << "if (this." << (*f_iter)->get_name() << " == null) {" << endl;
       indent(out) << "  ret += \"null\";" << endl;
       indent(out) << "} else {" << endl;
       indent_up();
     }

     if (field->get_type()->is_binary()) {
       indent(out) << "  ret += \"BINARY\";" << endl;
     } else if (field->get_type()->is_enum()) {
       indent(out) << "var " << field->get_name()
                   << "_name : String = " << get_cap_name(get_enum_class_name(field->get_type()))
                   << ".VALUES_TO_NAMES[this." << (*f_iter)->get_name() << "];" << endl;
       indent(out) << "if (" << field->get_name() << "_name != null) {" << endl;
       indent(out) << "  ret += " << field->get_name() << "_name;" << endl;
       indent(out) << "  ret += \" (\";" << endl;
       indent(out) << "}" << endl;
       indent(out) << "ret += this." << field->get_name() << ";" << endl;
       indent(out) << "if (" << field->get_name() << "_name != null) {" << endl;
       indent(out) << "  ret += \")\";" << endl;
       indent(out) << "}" << endl;
     } else {
       indent(out) << "ret += this." << (*f_iter)->get_name() << ";" << endl;
     }

     if (can_be_null) {
       indent_down();
       indent(out) << "}" << endl;
     }
     indent(out) << "first = false;" << endl;

     if (could_be_unset) {
       indent_down();
       indent(out) << "}" << endl;
     }
     first = false;
   }
   out << indent() << "ret += \")\";" << endl << indent() << "return ret;" << endl;

   indent_down();
   indent(out) << "}" << endl << endl;
 }

 /**
  * Generates a static map with meta data to store information such as fieldID to
  * fieldName mapping
  *
  * @param tstruct The struct definition
  */
 void t_haxe_generator::generate_haxe_meta_data_map(ostream& out, t_struct* tstruct) {
   const vector<t_field*>& fields = tstruct->get_members();
   vector<t_field*>::const_iterator f_iter;

   // Static Map with fieldID -> FieldMetaData mappings
   indent(out) << "inline static var metaDataMap : IntMap = new IntMap();" << endl;

   if (fields.size() > 0) {
     // Populate map
     scope_up(out);
     for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
       t_field* field = *f_iter;
       std::string field_name = field->get_name();
       indent(out) << "metaDataMap[" << upcase_string(field_name)
                   << "_FIELD_ID] = new FieldMetaData(\"" << field_name << "\", ";

       // Set field requirement type (required, optional, etc.)
       if (field->get_req() == t_field::T_REQUIRED) {
         out << "TFieldRequirementType.REQUIRED, ";
       } else if (field->get_req() == t_field::T_OPTIONAL) {
         out << "TFieldRequirementType.OPTIONAL, ";
       } else {
         out << "TFieldRequirementType.DEFAULT, ";
       }

       // Create value meta data
       generate_field_value_meta_data(out, field->get_type());
       out << ");" << endl;
     }
     scope_down(out);
   }
 }

 /**
  * Returns a string with the haxe representation of the given thrift type
  * (e.g. for the type struct it returns "TType.STRUCT")
  */
 std::string t_haxe_generator::get_haxe_type_string(t_type* type) {
   if (type->is_list()) {
     return "TType.LIST";
   } else if (type->is_map()) {
     return "TType.MAP";
   } else if (type->is_set()) {
     return "TType.SET";
   } else if (type->is_struct() || type->is_xception()) {
     return "TType.STRUCT";
   } else if (type->is_enum()) {
     return "TType.I32";
   } else if (type->is_typedef()) {
     return get_haxe_type_string(((t_typedef*)type)->get_type());
   } else if (type->is_base_type()) {
     switch (((t_base_type*)type)->get_base()) {
     case t_base_type::TYPE_VOID:
       return "TType.VOID";
       break;
     case t_base_type::TYPE_STRING:
       return "TType.STRING";
       break;
     case t_base_type::TYPE_BOOL:
       return "TType.BOOL";
       break;
     case t_base_type::TYPE_I8:
       return "TType.BYTE";
       break;
     case t_base_type::TYPE_I16:
       return "TType.I16";
       break;
     case t_base_type::TYPE_I32:
       return "TType.I32";
       break;
     case t_base_type::TYPE_I64:
       return "TType.I64";
       break;
     case t_base_type::TYPE_DOUBLE:
       return "TType.DOUBLE";
       break;
     default:
       throw std::runtime_error("Unknown thrift type \"" + type->get_name()
                                + "\" passed to t_haxe_generator::get_haxe_type_string!");
       break; // This should never happen!
     }
   } else {
     throw std::runtime_error(
         "Unknown thrift type \"" + type->get_name()
         + "\" passed to t_haxe_generator::get_haxe_type_string!"); // This should never happen!
   }
 }

 void t_haxe_generator::generate_field_value_meta_data(std::ostream& out, t_type* type) {
   out << endl;
   indent_up();
   indent_up();
   if (type->is_struct()) {
     indent(out) << "new StructMetaData(TType.STRUCT, " << type_name(type);
   } else if (type->is_container()) {
     if (type->is_list()) {
       indent(out) << "new ListMetaData(TType.LIST, ";
       t_type* elem_type = ((t_list*)type)->get_elem_type();
       generate_field_value_meta_data(out, elem_type);
     } else if (type->is_set()) {
       indent(out) << "new SetMetaData(TType.SET, ";
       t_type* elem_type = ((t_list*)type)->get_elem_type();
       generate_field_value_meta_data(out, elem_type);
     } else { // map
       indent(out) << "new MapMetaData(TType.MAP, ";
       t_type* key_type = ((t_map*)type)->get_key_type();
       t_type* val_type = ((t_map*)type)->get_val_type();
       generate_field_value_meta_data(out, key_type);
       out << ", ";
       generate_field_value_meta_data(out, val_type);
     }
   } else {
     indent(out) << "new FieldValueMetaData(" << get_haxe_type_string(type);
   }
   out << ")";
   indent_down();
   indent_down();
 }

 /**
  * Generates a thrift service. In C++, this comprises an entirely separate
  * header and source file. The header file defines the methods and includes
  * the data types defined in the main header file, and the implementation
  * file contains implementations of the basic printer and default interfaces.
  *
  * @param tservice The service definition
  */
 void t_haxe_generator::generate_service(t_service* tservice) {
   // Make interface file
   string f_service_name = package_dir_ + "/" + get_cap_name(service_name_) + ".hx";
   f_service_.open(f_service_name.c_str());

   f_service_ << autogen_comment() << haxe_package() << ";" << endl;

   f_service_ << endl << haxe_type_imports() << haxe_thrift_imports()
              << haxe_thrift_gen_imports(tservice);

   if (tservice->get_extends() != nullptr) {
     t_type* parent = tservice->get_extends();
     string parent_namespace = parent->get_program()->get_namespace("haxe");
     if (!parent_namespace.empty() && parent_namespace != package_name_) {
       f_service_ << "import " << type_name(parent) << ";" << endl;
     }
   }

   f_service_ << endl;

   generate_service_interface(tservice);

   f_service_.close();

   // Now make the implementation/client file
   f_service_name = package_dir_ + "/" + get_cap_name(service_name_) + "Impl.hx";
   f_service_.open(f_service_name.c_str());

   f_service_ << autogen_comment() << haxe_package() << ";" << endl << endl << haxe_type_imports()
              << haxe_thrift_imports() << haxe_thrift_gen_imports(tservice) << endl;

   if (tservice->get_extends() != nullptr) {
     t_type* parent = tservice->get_extends();
     string parent_namespace = parent->get_program()->get_namespace("haxe");
     if (!parent_namespace.empty() && parent_namespace != package_name_) {
       f_service_ << "import " << type_name(parent) << "Impl;" << endl;
     }
   }

   f_service_ << endl;

   generate_service_client(tservice);

   f_service_.close();

   // Now make the helper class files
   generate_service_helpers(tservice);

   // Now make the processor/server file
   f_service_name = package_dir_ + "/" + get_cap_name(service_name_) + "Processor.hx";
   f_service_.open(f_service_name.c_str());

   f_service_ << autogen_comment() << haxe_package() << ";" << endl << endl << haxe_type_imports()
              << haxe_thrift_imports() << haxe_thrift_gen_imports(tservice) << endl;

   if (!package_name_.empty()) {
     f_service_ << "import " << package_name_ << ".*;" << endl;
     f_service_ << "import " << package_name_ << "." << get_cap_name(service_name_).c_str()
                << "Impl;" << endl;
     f_service_ << endl;
   }

   generate_service_server(tservice);

   f_service_.close();
 }

 /**
  * Generates the code snippet for the onSuccess callbacks
  *
  * @param tfunction The service function to generate code for.
  */
 string t_haxe_generator::generate_service_method_onsuccess(t_function* tfunction,
                                                            bool as_type,
                                                            bool omit_name) {
   if (tfunction->is_oneway()) {
     return "";
   }

   string name = "";
   if (!omit_name) {
     name = "onSuccess";
     if (as_type) {
       name += " : ";
     }
   }

   if (tfunction->get_returntype()->is_void()) {
     if (as_type) {
       return name + "Void->Void = null";
     } else {
       return name + "() : Void";
     }
   }

   if (as_type) {
     return name + type_name(tfunction->get_returntype()) + "->Void = null";
   } else {
     return name + "( retval : " + type_name(tfunction->get_returntype()) + ")";
   }
 }

 /**
  * Generates a service method header
  *
  * @param tfunction The service function to generate code for.
  */
 void t_haxe_generator::generate_service_method_signature(t_function* tfunction, bool is_interface) {
   if (callbacks_) {
     generate_service_method_signature_callback(tfunction, is_interface);
   } else {
     generate_service_method_signature_normal(tfunction, is_interface);
   }
 }

 /**
  * Generates a service method header in "normal" style
  *
  * @param tfunction The service function to generate code for.
  */
 void t_haxe_generator::generate_service_method_signature_normal(t_function* tfunction,
                                                                 bool is_interface) {
   if (is_interface) {
     indent(f_service_) << function_signature_normal(tfunction) << ";" << endl << endl;
   } else {
     indent(f_service_) << "public " << function_signature_normal(tfunction) << " {" << endl;
   }
 }

 /**
  * Generates a service method header in "callback" style
  *
  * @param tfunction The service function to generate code for.
  */
 void t_haxe_generator::generate_service_method_signature_callback(t_function* tfunction,
                                                                   bool is_interface) {
   if (!tfunction->is_oneway()) {
     std::string on_success_impl = generate_service_method_onsuccess(tfunction, false, false);
     indent(f_service_) << "// function onError(Dynamic) : Void;" << endl;
     indent(f_service_) << "// function " << on_success_impl.c_str() << ";" << endl;
   }

   if (is_interface) {
     indent(f_service_) << function_signature_callback(tfunction) << ";" << endl << endl;
   } else {
     indent(f_service_) << "public " << function_signature_callback(tfunction) << " {" << endl;
   }
 }

 /**
  * Generates a service interface definition.
  *
  * @param tservice The service to generate a header definition for
  */
 void t_haxe_generator::generate_service_interface(t_service* tservice) {
   string extends_iface = "";
   if (tservice->get_extends() != nullptr) {
     extends_iface = " extends " + tservice->get_extends()->get_name();
   }

   generate_haxe_doc(f_service_, tservice);
   // generate_rtti_decoration(f_service_); - not yet, because of
   // https://github.com/HaxeFoundation/haxe/issues/3626
   generate_macro_decoration(f_service_);
   f_service_ << indent() << "interface " << get_cap_name(service_name_) << extends_iface << " {"
              << endl << endl;
   indent_up();
   vector<t_function*> functions = tservice->get_functions();
   vector<t_function*>::iterator f_iter;
   for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) {
     generate_haxe_doc(f_service_, *f_iter);
     generate_service_method_signature(*f_iter, true);
   }
   indent_down();
   f_service_ << indent() << "}" << endl << endl;
 }

 /**
  * Generates structs for all the service args and return types
  *
  * @param tservice The service
  */
 void t_haxe_generator::generate_service_helpers(t_service* tservice) {
   f_service_ << endl << endl;
   vector<t_function*> functions = tservice->get_functions();
   vector<t_function*>::iterator f_iter;
   for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) {
     t_struct* ts = (*f_iter)->get_arglist();
     generate_haxe_struct(ts, false);
     generate_function_helpers(*f_iter);
   }
 }

 /**
  * Generates a service client definition.
  *
  * @param tservice The service to generate a server for.
  */
 void t_haxe_generator::generate_service_client(t_service* tservice) {
   string extends = "";
   string extends_client = "";
   if (tservice->get_extends() != nullptr) {
     extends = get_cap_name(tservice->get_extends()->get_name());
     extends_client = " extends " + extends + "Impl";
   }

   generate_rtti_decoration(f_service_);
   // build macro is inherited from interface
   indent(f_service_) << "class " << get_cap_name(service_name_) << "Impl" << extends_client
                      << " implements " << get_cap_name(service_name_) << " {" << endl << endl;
   indent_up();

   indent(f_service_) << "public function new( iprot : TProtocol, oprot : TProtocol = null)" << endl;
   scope_up(f_service_);
   if (extends.empty()) {
     f_service_ << indent() << "iprot_ = iprot;" << endl;
     f_service_ << indent() << "if (oprot == null) {" << endl;
     indent_up();
     f_service_ << indent() << "oprot_ = iprot;" << endl;
     indent_down();
     f_service_ << indent() << "} else {" << endl;
     indent_up();
     f_service_ << indent() << "oprot_ = oprot;" << endl;
     indent_down();
     f_service_ << indent() << "}" << endl;
   } else {
     f_service_ << indent() << "super(iprot, oprot);" << endl;
   }
   scope_down(f_service_);
   f_service_ << endl;

   if (extends.empty()) {
     f_service_ << indent() << "private var iprot_ : TProtocol;" << endl << indent()
                << "private var oprot_ : TProtocol;" << endl << indent()
                << "private var seqid_ : Int;" << endl << endl;

     indent(f_service_) << "public function getInputProtocol() : TProtocol" << endl;
     scope_up(f_service_);
     indent(f_service_) << "return this.iprot_;" << endl;
     scope_down(f_service_);
     f_service_ << endl;

     indent(f_service_) << "public function getOutputProtocol() : TProtocol" << endl;
     scope_up(f_service_);
     indent(f_service_) << "return this.oprot_;" << endl;
     scope_down(f_service_);
     f_service_ << 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) {
     string funname = (*f_iter)->get_name();

     // Open function
     generate_service_method_signature(*f_iter, false);

     indent_up();

     // Get the struct of function call params
     t_struct* arg_struct = (*f_iter)->get_arglist();

     string argsname = get_cap_name((*f_iter)->get_name() + "_args");
     vector<t_field*>::const_iterator fld_iter;
     const vector<t_field*>& fields = arg_struct->get_members();

     // Serialize the request
     string calltype = (*f_iter)->is_oneway() ? "ONEWAY" : "CALL";
     f_service_ << indent() << "oprot_.writeMessageBegin(new TMessage(\"" << funname
                << "\", TMessageType." << calltype << ", seqid_));" << endl << indent()
                << "var args : " << argsname << " = 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;
     }

     f_service_ << indent() << "args.write(oprot_);" << endl << indent()
                << "oprot_.writeMessageEnd();" << endl;

     if (!((*f_iter)->is_oneway() || (*f_iter)->get_returntype()->is_void())) {
       f_service_ << indent() << "var retval : " << type_name((*f_iter)->get_returntype()) << ";"
                  << endl;
     }

     if ((*f_iter)->is_oneway()) {
       f_service_ << indent() << "oprot_.getTransport().flush();" << endl;
     } else {
       indent(f_service_) << "oprot_.getTransport().flush(function(error:Dynamic) : Void {" << endl;
       indent_up();
       if (callbacks_) {
         indent(f_service_) << "try {" << endl;
         indent_up();
       }
       string resultname = get_cap_name((*f_iter)->get_name() + "_result");
       indent(f_service_) << "if (error != null) {" << endl;
       indent_up();
       if (callbacks_) {
         indent(f_service_) << "if (onError != null) onError(error);" << endl;
         indent(f_service_) << "return;" << endl;
       } else {
         indent(f_service_) << "throw error;" << endl;
       }
       indent_down();
       indent(f_service_) << "}" << endl;
       indent(f_service_) << "var msg : TMessage = iprot_.readMessageBegin();" << endl;
       indent(f_service_) << "if (msg.type == TMessageType.EXCEPTION) {" << endl;
       indent_up();
       indent(f_service_) << "var x = TApplicationException.read(iprot_);" << endl;
       indent(f_service_) << "iprot_.readMessageEnd();" << endl;
       if (callbacks_) {
         indent(f_service_) << "if (onError != null) onError(x);" << endl;
         indent(f_service_) << "return;" << endl;
       } else {
         indent(f_service_) << "throw x;" << endl;
       }
       indent_down();
       indent(f_service_) << "}" << endl;
       indent(f_service_) << "var result : " << resultname << " = new " << resultname << "();"
                          << endl;
       indent(f_service_) << "result.read(iprot_);" << endl;
       indent(f_service_) << "iprot_.readMessageEnd();" << endl;

       // Careful, only return _result if not a void function
       if (!(*f_iter)->get_returntype()->is_void()) {
         indent(f_service_) << "if (result." << generate_isset_check("success") << ") {" << endl;
         indent_up();
         if (callbacks_) {
           indent(f_service_) << "if (onSuccess != null) onSuccess(result.success);" << endl;
           indent(f_service_) << "return;" << endl;
         } else {
           indent(f_service_) << "retval = result.success;" << endl;
           indent(f_service_) << "return;" << endl;
         }
         indent_down();
         indent(f_service_) << "}" << 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) {
         indent(f_service_) << "if (result." << (*x_iter)->get_name() << " != null) {" << endl;
         indent_up();
         if (callbacks_) {
           indent(f_service_) << "if (onError != null) onError(result." << (*x_iter)->get_name()
                              << ");" << endl;
           indent(f_service_) << "return;" << endl;
         } else {
           indent(f_service_) << "throw result." << (*x_iter)->get_name() << ";" << endl;
         }
         indent_down();
         indent(f_service_) << "}" << endl;
       }

       // If you get here it's an exception, unless a void function
       if ((*f_iter)->get_returntype()->is_void()) {
         if (callbacks_) {
           indent(f_service_) << "if (onSuccess != null) onSuccess();" << endl;
         }
         indent(f_service_) << "return;" << endl;
       } else {
         if (callbacks_) {
           indent(f_service_) << "if (onError != null)" << endl;
           indent_up();
           indent(f_service_)
               << "onError( new TApplicationException(TApplicationException.MISSING_RESULT," << endl;
           indent(f_service_) << "                               \"" << (*f_iter)->get_name()
                              << " failed: unknown result\"));" << endl;
           indent_down();
         } else {
           indent(f_service_)
               << "throw new TApplicationException(TApplicationException.MISSING_RESULT," << endl;
           indent(f_service_) << "                            \"" << (*f_iter)->get_name()
                              << " failed: unknown result\");" << endl;
         }
       }

       if (callbacks_) {
         indent_down();
         indent(f_service_) << "} catch( e : TException) {" << endl;
         indent_up();
         indent(f_service_) << "if (onError != null) onError(e);" << endl;
         indent_down();
         indent(f_service_) << "}" << endl;
       }

       indent_down();
       indent(f_service_) << "});" << endl;
     }

     if (!((*f_iter)->is_oneway() || (*f_iter)->get_returntype()->is_void())) {
       f_service_ << indent() << "return retval;" << endl;
     }

     // Close function
     scope_down(f_service_);
     f_service_ << endl;
   }

   indent_down();
   indent(f_service_) << "}" << endl;
 }

 /**
  * Generates a service server definition.
  *
  * @param tservice The service to generate a server for.
  */
 void t_haxe_generator::generate_service_server(t_service* tservice) {
   // Generate the dispatch methods
   vector<t_function*> functions = tservice->get_functions();
   vector<t_function*>::iterator f_iter;

   // Extends stuff
   string extends = "";
   string extends_processor = "";
   if (tservice->get_extends() != nullptr) {
     extends = get_cap_name(type_name(tservice->get_extends()));
     extends_processor = " extends " + extends + "Processor";
   }

   // Generate the header portion
   generate_rtti_decoration(f_service_);
   generate_macro_decoration(f_service_);
   indent(f_service_) << "class " << get_cap_name(service_name_) << "Processor" << extends_processor
                      << " implements TProcessor {" << endl << endl;
   indent_up();

   f_service_ << indent() << "private var " << get_cap_name(service_name_)
              << "_iface_ : " << get_cap_name(service_name_) << ";" << endl;

   if (extends.empty()) {
     f_service_ << indent()
                << "private var PROCESS_MAP = new StringMap< Int->TProtocol->TProtocol->Void >();"
                << endl;
   }

   f_service_ << endl;

   indent(f_service_) << "public function new( iface : " << get_cap_name(service_name_) << ")"
                      << endl;
   scope_up(f_service_);
   if (!extends.empty()) {
     f_service_ << indent() << "super(iface);" << endl;
   }
   f_service_ << indent() << get_cap_name(service_name_) << "_iface_ = iface;" << endl;

   for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) {
     f_service_ << indent() << "PROCESS_MAP.set(\"" << (*f_iter)->get_name() << "\", "
                << (*f_iter)->get_name() << "());" << endl;
   }

   scope_down(f_service_);
   f_service_ << endl;

   // Generate the server implementation
   string override = "";
   if (tservice->get_extends() != nullptr) {
     override = "override ";
   }
   indent(f_service_) << override
                      << "public function process( iprot : TProtocol, oprot : TProtocol) : Bool"
                      << endl;
   scope_up(f_service_);

   f_service_ << indent() << "var msg : TMessage = iprot.readMessageBegin();" << endl;

   // TODO(mcslee): validate message, was the seqid etc. legit?
   // AS- If all method is oneway:
   // do you have an oprot?
   // do you you need nullcheck?
   f_service_
       << indent() << "var fn  = PROCESS_MAP.get(msg.name);" << endl << indent()
       << "if (fn == null) {" << endl << indent() << "  TProtocolUtil.skip(iprot, TType.STRUCT);"
       << endl << indent() << "  iprot.readMessageEnd();" << endl << indent()
       << "  var x = new TApplicationException(TApplicationException.UNKNOWN_METHOD, \"Invalid "
          "method name: '\"+msg.name+\"'\");" << endl << indent()
       << "  oprot.writeMessageBegin(new TMessage(msg.name, TMessageType.EXCEPTION, msg.seqid));"
       << endl << indent() << "  x.write(oprot);" << endl << indent() << "  oprot.writeMessageEnd();"
       << endl << indent() << "  oprot.getTransport().flush();" << endl << indent()
       << "  return true;" << endl << indent() << "}" << endl << indent()
       << "fn( msg.seqid, iprot, oprot);" << endl;

   f_service_ << indent() << "return true;" << 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);
   }

   indent_down();
   indent(f_service_) << "}" << endl << endl;
 }

 /**
  * Generates a struct and helpers for a function.
  *
  * @param tfunction The function
  */
 void t_haxe_generator::generate_function_helpers(t_function* tfunction) {
   if (tfunction->is_oneway()) {
     return;
   }

   string resultname = get_cap_name(tfunction->get_name() + "_result");
   t_struct result(program_, resultname);
   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_haxe_struct(&result, false, true);
 }

 /**
  * Generates a process function definition.
  *
  * @param tfunction The function to write a dispatcher for
  */
 void t_haxe_generator::generate_process_function(t_service* tservice, t_function* tfunction) {
   (void)tservice;
   // Open class
   indent(f_service_) << "private function " << tfunction->get_name()
                      << "() : Int->TProtocol->TProtocol->Void {" << endl;
   indent_up();

   // Open function
   indent(f_service_) << "return function( seqid : Int, iprot : TProtocol, oprot : TProtocol) : Void"
                      << endl;
   scope_up(f_service_);

   string argsname = get_cap_name(tfunction->get_name() + "_args");
   string resultname = get_cap_name(tfunction->get_name() + "_result");

   f_service_ << indent() << "var args : " << argsname << " = new " << argsname << "();" << endl
              << indent() << "args.read(iprot);" << endl << indent() << "iprot.readMessageEnd();"
              << endl;

   t_struct* xs = tfunction->get_xceptions();
   const std::vector<t_field*>& xceptions = xs->get_members();
   vector<t_field*>::const_iterator x_iter;

   // Declare result for non oneway function
   if (!tfunction->is_oneway()) {
     f_service_ << indent() << "var result : " << resultname << " = new " << resultname << "();"
                << endl;
   }

   // Try block for any  function to catch (defined or undefined) exceptions
   f_service_ << indent() << "try {" << endl;
   indent_up();

   if (callbacks_) {
     // callback function style onError/onSuccess

     // 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;

     f_service_ << indent();
     f_service_ << get_cap_name(service_name_) << "_iface_." << 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();
     }

     if (tfunction->is_oneway()) {
       f_service_ << ");" << endl;
     } else {
       if (first) {
         first = false;
       } else {
         f_service_ << ", ";
       }
       string on_success = generate_service_method_onsuccess(tfunction, false, true);
       indent_up();
       f_service_ << endl;
       indent(f_service_) << "null,  // errors are thrown by the handler" << endl;
       if (tfunction->get_returntype()->is_void()) {
         indent(f_service_) << "null); // no retval" << endl;
       } else {
         indent(f_service_) << "function" << on_success.c_str() << " {" << endl;
         if (!tfunction->get_returntype()->is_void()) {
           indent_up();
           indent(f_service_) << "result.success = retval;" << endl;
           indent_down();
         }
         indent(f_service_) << "});" << endl;
       }
       indent_down();
     }

   } else {
     // normal function():result style

     // 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;

     f_service_ << indent();
     if (!(tfunction->is_oneway() || tfunction->get_returntype()->is_void())) {
       f_service_ << "result.success = ";
     }
     f_service_ << get_cap_name(service_name_) << "_iface_." << 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;
   }

   indent_down();
   f_service_ << indent() << "}";
   if (!tfunction->is_oneway()) {
     // catch exceptions defined in the IDL
     for (x_iter = xceptions.begin(); x_iter != xceptions.end(); ++x_iter) {
       f_service_ << " catch (" << (*x_iter)->get_name() << ":"
                  << get_cap_name(type_name((*x_iter)->get_type(), false, false)) << ") {" << endl;
       if (!tfunction->is_oneway()) {
         indent_up();
         f_service_ << indent() << "result." << (*x_iter)->get_name() << " = "
                    << (*x_iter)->get_name() << ";" << endl;
         indent_down();
         f_service_ << indent() << "}";
       } else {
         f_service_ << "}";
       }
     }
   }

   // always catch all exceptions to prevent from service denial
   f_service_ << " catch (th : Dynamic) {" << endl;
   indent_up();
   indent(f_service_) << "trace(\"Internal error processing " << tfunction->get_name() << "\", th);"
                      << endl;
   if (!tfunction->is_oneway()) {
     indent(f_service_) << "var x = new TApplicationException(TApplicationException.INTERNAL_ERROR, "
                           "\"Internal error processing " << tfunction->get_name() << "\");" << endl;
     indent(f_service_) << "oprot.writeMessageBegin(new TMessage(\"" << tfunction->get_name()
                        << "\", TMessageType.EXCEPTION, seqid));" << endl;
     indent(f_service_) << "x.write(oprot);" << endl;
     indent(f_service_) << "oprot.writeMessageEnd();" << endl;
     indent(f_service_) << "oprot.getTransport().flush();" << endl;
   }
   indent(f_service_) << "return;" << endl;
   indent_down();
   f_service_ << indent() << "}" << endl;

   // Shortcut out here for oneway functions
   if (tfunction->is_oneway()) {
     f_service_ << indent() << "return;" << endl;
     scope_down(f_service_);

     // Close class
     indent_down();
     f_service_ << indent() << "}" << endl << endl;
     return;
   }

   f_service_ << indent() << "oprot.writeMessageBegin(new TMessage(\"" << tfunction->get_name()
              << "\", TMessageType.REPLY, seqid));" << endl << indent() << "result.write(oprot);"
              << endl << indent() << "oprot.writeMessageEnd();" << endl << indent()
              << "oprot.getTransport().flush();" << endl;

   // Close function
   scope_down(f_service_);
   f_service_ << endl;

   // Close class
   indent_down();
   f_service_ << indent() << "}" << endl << endl;
 }

 /**
  * Deserializes a field of any type.
  *
  * @param tfield The field
  * @param prefix The variable name or container for this field
  */
 void t_haxe_generator::generate_deserialize_field(ostream& out, t_field* tfield, string prefix) {
   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 << " = iprot.";

     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:
         if (type->is_binary()) {
           out << "readBinary();";
         } else {
           out << "readString();";
         }
         break;
       case t_base_type::TYPE_BOOL:
         out << "readBool();";
         break;
       case t_base_type::TYPE_I8:
         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 Haxe name for base type " + t_base_type::t_base_name(tbase);
       }
     } else if (type->is_enum()) {
       out << "readI32();";
     }
     out << endl;
   } else {
     printf("DO NOT KNOW HOW TO DESERIALIZE FIELD '%s' TYPE '%s'\n",
            tfield->get_name().c_str(),
            type_name(type).c_str());
   }
 }

 /**
  * Generates an unserializer for a struct, invokes read()
  */
 void t_haxe_generator::generate_deserialize_struct(ostream& out,
                                                    t_struct* tstruct,
                                                    string prefix) {
   out << indent() << prefix << " = new " << get_cap_name(type_name(tstruct)) << "();" << endl
       << indent() << prefix << ".read(iprot);" << endl;
 }

 /**
  * Deserializes a container by reading its size and then iterating
  */
 void t_haxe_generator::generate_deserialize_container(ostream& out, t_type* ttype, string prefix) {
   scope_up(out);

   string obj;

   if (ttype->is_map()) {
     obj = tmp("_map");
   } else if (ttype->is_set()) {
     obj = tmp("_set");
   } else if (ttype->is_list()) {
     obj = tmp("_list");
   }

   // Declare variables, read header
   if (ttype->is_map()) {
     indent(out) << "var " << obj << " = iprot.readMapBegin();" << endl;
   } else if (ttype->is_set()) {
     indent(out) << "var " << obj << " = iprot.readSetBegin();" << endl;
   } else if (ttype->is_list()) {
     indent(out) << "var " << obj << " = iprot.readListBegin();" << endl;
   }

   indent(out) << prefix << " = new " << type_name(ttype, false, true)
               // size the collection correctly
               << "("
               << ");" << endl;

   // For loop iterates over elements
   string i = tmp("_i");
   indent(out) << "for( " << i << " in 0 ... " << obj << ".size)" << endl;

   scope_up(out);

   if (ttype->is_map()) {
     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) << "iprot.readMapEnd();" << endl;
   } else if (ttype->is_set()) {
     indent(out) << "iprot.readSetEnd();" << endl;
   } else if (ttype->is_list()) {
     indent(out) << "iprot.readListEnd();" << endl;
   }

   scope_down(out);
 }

 /**
  * Generates code to deserialize a map
  */
 void t_haxe_generator::generate_deserialize_map_element(ostream& 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) << endl;
   indent(out) << declare_field(&fval) << endl;

   generate_deserialize_field(out, &fkey);
   generate_deserialize_field(out, &fval);

   indent(out) << prefix << ".set( " << key << ", " << val << ");" << endl;
 }

 /**
  * Deserializes a set element
  */
 void t_haxe_generator::generate_deserialize_set_element(ostream& out, t_set* tset, string prefix) {
   string elem = tmp("_elem");
   t_field felem(tset->get_elem_type(), elem);

   indent(out) << declare_field(&felem) << endl;

   generate_deserialize_field(out, &felem);

   indent(out) << prefix << ".add(" << elem << ");" << endl;
 }

 /**
  * Deserializes a list element
  */
 void t_haxe_generator::generate_deserialize_list_element(ostream& out,
                                                          t_list* tlist,
                                                          string prefix) {
   string elem = tmp("_elem");
   t_field felem(tlist->get_elem_type(), elem);

   indent(out) << declare_field(&felem) << endl;

   generate_deserialize_field(out, &felem);

   indent(out) << prefix << ".add(" << elem << ");" << endl;
 }

 /**
  * Serializes a field of any type.
  *
  * @param tfield The field to serialize
  * @param prefix Name to prepend to field name
  */
 void t_haxe_generator::generate_serialize_field(ostream& 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 = prefix + tfield->get_name();
     indent(out) << "oprot.";

     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:
         if (type->is_binary()) {
           out << "writeBinary(" << name << ");";
         } else {
           out << "writeString(" << name << ");";
         }
         break;
       case t_base_type::TYPE_BOOL:
         out << "writeBool(" << name << ");";
         break;
       case t_base_type::TYPE_I8:
         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 Haxe 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_name(type).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_haxe_generator::generate_serialize_struct(ostream& out, t_struct* tstruct, string prefix) {
   (void)tstruct;
   out << indent() << prefix << ".write(oprot);" << endl;
 }

 /**
  * Serializes a container by writing its size then the elements.
  *
  * @param ttype  The type of container
  * @param prefix String prefix for fields
  */
 void t_haxe_generator::generate_serialize_container(ostream& out, t_type* ttype, string prefix) {
   scope_up(out);

   if (ttype->is_map()) {
     string iter = tmp("_key");
     string counter = tmp("_sizeCounter");
     indent(out) << "var " << counter << " : Int = 0;" << endl;
     indent(out) << "for( " << iter << " in " << prefix << ") {" << endl;
     indent(out) << "  " << counter << +"++;" << endl;
     indent(out) << "}" << endl;

     indent(out) << "oprot.writeMapBegin(new TMap(" << type_to_enum(((t_map*)ttype)->get_key_type())
                 << ", " << type_to_enum(((t_map*)ttype)->get_val_type()) << ", " << counter << "));"
                 << endl;
   } else if (ttype->is_set()) {
     indent(out) << "oprot.writeSetBegin(new TSet(" << type_to_enum(((t_set*)ttype)->get_elem_type())
                 << ", " << prefix << ".size));" << endl;
   } else if (ttype->is_list()) {
     indent(out) << "oprot.writeListBegin(new TList("
                 << type_to_enum(((t_list*)ttype)->get_elem_type()) << ", " << prefix << ".length));"
                 << endl;
   }

   string iter = tmp("elem");
   if (ttype->is_map()) {
     indent(out) << "for( " << iter << " in " << prefix << ".keys())" << endl;
   } else if (ttype->is_set()) {
     indent(out) << "for( " << iter << " in " << prefix << ".toArray())" << endl;
   } else if (ttype->is_list()) {
     indent(out) << "for( " << iter << " in " << prefix << ")" << endl;
   }

   scope_up(out);

   if (ttype->is_map()) {
     generate_serialize_map_element(out, (t_map*)ttype, iter, prefix);
   } else if (ttype->is_set()) {
     generate_serialize_set_element(out, (t_set*)ttype, iter);
   } else if (ttype->is_list()) {
     generate_serialize_list_element(out, (t_list*)ttype, iter);
   }

   scope_down(out);

   if (ttype->is_map()) {
     indent(out) << "oprot.writeMapEnd();" << endl;
   } else if (ttype->is_set()) {
     indent(out) << "oprot.writeSetEnd();" << endl;
   } else if (ttype->is_list()) {
     indent(out) << "oprot.writeListEnd();" << endl;
   }

   scope_down(out);
 }

 /**
  * Serializes the members of a map.
  */
 void t_haxe_generator::generate_serialize_map_element(ostream& out,
                                                       t_map* tmap,
                                                       string iter,
                                                       string map) {
   t_field kfield(tmap->get_key_type(), iter);
   generate_serialize_field(out, &kfield, "");
   t_field vfield(tmap->get_val_type(), map + ".get(" + iter + ")");
   generate_serialize_field(out, &vfield, "");
 }

 /**
  * Serializes the members of a set.
  */
 void t_haxe_generator::generate_serialize_set_element(ostream& 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_haxe_generator::generate_serialize_list_element(ostream& out, t_list* tlist, string iter) {
   t_field efield(tlist->get_elem_type(), iter);
   generate_serialize_field(out, &efield, "");
 }

 /**
  * Returns a haxe type name
  *
  * @param ttype The type
  * @param container Is the type going inside a container?
  * @return haxe type name, i.e. HashMap<Key,Value>
  */
 string t_haxe_generator::type_name(t_type* ttype, bool in_container, bool in_init) {
   (void)in_init;

   // typedefs are just resolved to their real type
   ttype = get_true_type(ttype);
   string prefix;

   if (ttype->is_base_type()) {
     return base_type_name((t_base_type*)ttype, in_container);
   }

   if (ttype->is_enum()) {
     return "Int";
   }

   if (ttype->is_map()) {
     t_type* tkey = get_true_type(((t_map*)ttype)->get_key_type());
     t_type* tval = get_true_type(((t_map*)ttype)->get_val_type());
     if (tkey->is_base_type()) {
       t_base_type::t_base tbase = ((t_base_type*)tkey)->get_base();
       switch (tbase) {
       case t_base_type::TYPE_STRING:
         if (!(tkey->is_binary())) {
           return "StringMap< " + type_name(tval) + ">";
         }
         break; // default to ObjectMap<>
       case t_base_type::TYPE_I8:
       case t_base_type::TYPE_I16:
       case t_base_type::TYPE_I32:
         return "IntMap< " + type_name(tval) + ">";
       case t_base_type::TYPE_I64:
         return "Int64Map< " + type_name(tval) + ">";
       default:
         break; // default to ObjectMap<>
       }
     }
     if (tkey->is_enum()) {
       return "IntMap< " + type_name(tval) + ">";
     }
     return "ObjectMap< " + type_name(tkey) + ", " + type_name(tval) + ">";
   }

   if (ttype->is_set()) {
     t_type* tkey = get_true_type(((t_set*)ttype)->get_elem_type());
     if (tkey->is_base_type()) {
       t_base_type::t_base tbase = ((t_base_type*)tkey)->get_base();
       switch (tbase) {
       case t_base_type::TYPE_STRING:
         if (!(tkey->is_binary())) {
           return "StringSet";
         }
         break; // default to ObjectSet
       case t_base_type::TYPE_I8:
       case t_base_type::TYPE_I16:
       case t_base_type::TYPE_I32:
         return "IntSet";
       case t_base_type::TYPE_I64:
         return "Int64Set";
       default:
         break; // default to ObjectSet
       }
     }
     if (tkey->is_enum()) {
       return "IntSet";
     }
     return "ObjectSet< " + type_name(tkey) + ">";
   }

   if (ttype->is_list()) {
     t_type* telm = ((t_list*)ttype)->get_elem_type();
     return "List< " + type_name(telm) + ">";
   }

   // Check for namespacing
   t_program* program = ttype->get_program();
   if (program != nullptr && program != program_) {
     string package = program->get_namespace("haxe");
     if (!package.empty()) {
       return package + "." + ttype->get_name();
     }
   }

   return ttype->get_name();
 }

 /**
  * Returns the haxe type that corresponds to the thrift type.
  *
  * @param tbase The base type
  * @param container Is it going in a haxe container?
  */
 string t_haxe_generator::base_type_name(t_base_type* type, bool in_container) {
   (void)in_container;
   t_base_type::t_base tbase = type->get_base();

   switch (tbase) {
   case t_base_type::TYPE_VOID:
     return "Void";
   case t_base_type::TYPE_STRING:
     if (type->is_binary()) {
       return "haxe.io.Bytes";
     } else {
       return "String";
     }
   case t_base_type::TYPE_BOOL:
     return "Bool";
   case t_base_type::TYPE_I8:
   case t_base_type::TYPE_I16:
   case t_base_type::TYPE_I32:
     return "haxe.Int32";
   case t_base_type::TYPE_I64:
     return "haxe.Int64";
   case t_base_type::TYPE_DOUBLE:
     return "Float";
   default:
     throw "compiler error: no Haxe name for base type " + t_base_type::t_base_name(tbase);
   }
 }

 /**
  * Declares a field, which may include initialization as necessary.
  *
  * @param ttype The type
  */
 string t_haxe_generator::declare_field(t_field* tfield, bool init) {
   // TODO(mcslee): do we ever need to initialize the field?
   string result = "var " + tfield->get_name() + " : " + type_name(tfield->get_type());
   if (init) {
     t_type* ttype = get_true_type(tfield->get_type());
     if (ttype->is_base_type() && tfield->get_value() != nullptr) {
       std::ofstream dummy;
       result += " = " + render_const_value(dummy, tfield->get_name(), ttype, tfield->get_value());
     } else if (ttype->is_base_type()) {
       t_base_type::t_base tbase = ((t_base_type*)ttype)->get_base();
       switch (tbase) {
       case t_base_type::TYPE_VOID:
         throw "NO T_VOID CONSTRUCT";
       case t_base_type::TYPE_STRING:
         result += " = null";
         break;
       case t_base_type::TYPE_BOOL:
         result += " = false";
         break;
       case t_base_type::TYPE_I8:
       case t_base_type::TYPE_I16:
       case t_base_type::TYPE_I32:
       case t_base_type::TYPE_I64:
         result += " = 0";
         break;
       case t_base_type::TYPE_DOUBLE:
         result += " = (double)0";
         break;
       }

     } else if (ttype->is_enum()) {
       result += " = 0";
     } else if (ttype->is_container()) {
       result += " = new " + type_name(ttype, false, true) + "()";
     } else {
       result += " = new " + type_name(ttype, false, true) + "()";
     }
   }
   return result + ";";
 }

 /**
  * Renders a function signature of the form 'type name(args)'
  *
  * @param tfunction Function definition
  * @return String of rendered function definition
  */
 string t_haxe_generator::function_signature_callback(t_function* tfunction) {
   std::string on_error_success = "onError : Dynamic->Void = null, "
                                  + generate_service_method_onsuccess(tfunction, true, false);

   std::string arguments = argument_list(tfunction->get_arglist());
   if (!tfunction->is_oneway()) {
     if (arguments != "") {
       arguments += ", ";
     }
     arguments += on_error_success; //"onError : Function, onSuccess : Function";
   }

   std::string result = "function " + tfunction->get_name() + "(" + arguments + ") : Void";
   return result;
 }

 /**
  * Renders a function signature of the form 'type name(args)'
  *
  * @param tfunction Function definition
  * @return String of rendered function definition
  */
 string t_haxe_generator::function_signature_normal(t_function* tfunction) {
   std::string arguments = argument_list(tfunction->get_arglist());

   std::string resulttype;
   if (tfunction->is_oneway() || tfunction->get_returntype()->is_void()) {
     resulttype = "Void";
   } else {
     resulttype = type_name(tfunction->get_returntype());
   }

   std::string result = "function " + tfunction->get_name() + "(" + arguments + ") : " + resulttype;
   return result;
 }

 /**
  * Renders a comma separated field list, with type names
  */
 string t_haxe_generator::argument_list(t_struct* tstruct) {
   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() + " : " + type_name((*f_iter)->get_type());
   }
   return result;
 }

 /**
  * Converts the parse type to a C++ enum string for the given type.
  */
 string t_haxe_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 "TType.STRING";
     case t_base_type::TYPE_BOOL:
       return "TType.BOOL";
     case t_base_type::TYPE_I8:
       return "TType.BYTE";
     case t_base_type::TYPE_I16:
       return "TType.I16";
     case t_base_type::TYPE_I32:
       return "TType.I32";
     case t_base_type::TYPE_I64:
       return "TType.I64";
     case t_base_type::TYPE_DOUBLE:
       return "TType.DOUBLE";
     }
   } else if (type->is_enum()) {
     return "TType.I32";
   } else if (type->is_struct() || type->is_xception()) {
     return "TType.STRUCT";
   } else if (type->is_map()) {
     return "TType.MAP";
   } else if (type->is_set()) {
     return "TType.SET";
   } else if (type->is_list()) {
     return "TType.LIST";
   }

   throw "INVALID TYPE IN type_to_enum: " + type->get_name();
 }

 /**
  * Haxe class names must start with uppercase letter, but Haxe namespaces must not.
  */
 std::string t_haxe_generator::get_cap_name(std::string name) {
   if (name.length() == 0) {
     return name;
   }

   // test.for.Generic< data.Type, or.the.Like> and handle it recursively
   size_t generic_first = name.find('<');
   size_t generic_last = name.rfind('>');
   if ((generic_first != std::string::npos) && (generic_last != std::string::npos)) {
     string outer_type = name.substr(0, generic_first);
     string inner_types = name.substr(generic_first + 1, generic_last - generic_first - 1);

     string new_inner = "";
     size_t comma_start = 0;
     while (comma_start < inner_types.length()) {
       size_t comma_pos = comma_start;
       int nested = 0;

       while (comma_pos < inner_types.length()) {
         bool found = false;
         switch (inner_types[comma_pos]) {
         case '<':
           ++nested;
           break;
         case '>':
           --nested;
           break;
         case ',':
           found = (nested == 0);
           break;
         }
         if (found) {
           break;
         }
         ++comma_pos;
       }

       if (new_inner.length() > 0) {
         new_inner += ",";
       }

       string inner = inner_types.substr(comma_start, comma_pos - comma_start);
       new_inner += get_cap_name(inner);
       comma_start = ++comma_pos;
     }

     return get_cap_name(outer_type) + "<" + new_inner + ">";
   }

   // package name
   size_t index = name.find_first_not_of(" \n\r\t");
   if (index < name.length()) {
     name[index] = tolower(name[index]);
     index = name.find('.');
     while (index != std::string::npos) {
       if (++index < name.length()) {
         name[index] = tolower(name[index]);
       }
       index = name.find('.', index);
     }
   }

   // class name
   index = name.rfind('.');
   if (index != std::string::npos) {
     ++index;
   } else {
     index = name.find_first_not_of(" \n\r\t");
   }

   if (index < name.length()) {
     name[index] = toupper(name[index]);
   }

   return name;
 }

 string t_haxe_generator::constant_name(string name) {
   string constant_name;

   bool is_first = true;
   bool was_previous_char_upper = false;
   for (char character : name) {
     bool is_upper = isupper(character);

     if (is_upper && !is_first && !was_previous_char_upper) {
       constant_name += '_';
     }
     constant_name += toupper(character);

     is_first = false;
     was_previous_char_upper = is_upper;
   }

   return constant_name;
 }

 /**
  * Enables RTTI for a class or interface
  */
 void t_haxe_generator::generate_rtti_decoration(ostream& out) {
   if (rtti_) {
     out << "@:rtti" << endl;
   }
 }

 /**
  * Adds build macros to a class or interface
  */
 void t_haxe_generator::generate_macro_decoration(ostream& out) {
   if (!buildmacro_.empty()) {
     out << "#if ! macro" << endl;
     out << "@:build( " << buildmacro_ << ")" << endl;     // current class/interface
     out << "@:autoBuild( " << buildmacro_ << ")" << endl; // inherited classes/interfaces
     out << "#end" << endl;
   }
 }

 /**
  * Emits a haxeDoc comment if the provided object has a doc in Thrift
  */
 void t_haxe_generator::generate_haxe_doc(ostream& out, t_doc* tdoc) {
   if (tdoc->has_doc()) {
     generate_docstring_comment(out, "/**\n", " * ", tdoc->get_doc(), " */\n");
   }
 }

 /**
  * Emits a haxeDoc comment if the provided function object has a doc in Thrift
  */
 void t_haxe_generator::generate_haxe_doc(ostream& out, t_function* tfunction) {
   if (tfunction->has_doc()) {
     stringstream ss;
     ss << tfunction->get_doc();
     const vector<t_field*>& fields = tfunction->get_arglist()->get_members();
     vector<t_field*>::const_iterator p_iter;
     for (p_iter = fields.begin(); p_iter != fields.end(); ++p_iter) {
       t_field* p = *p_iter;
       ss << "\n@param " << p->get_name();
       if (p->has_doc()) {
         ss << " " << p->get_doc();
       }
     }
     generate_docstring_comment(out, "/**\n", " * ", ss.str(), " */\n");
   }
 }

 std::string t_haxe_generator::generate_isset_check(t_field* field) {
   return generate_isset_check(field->get_name());
 }

 std::string t_haxe_generator::generate_isset_check(std::string field_name) {
   return "is" + get_cap_name("set") + get_cap_name(field_name) + "()";
 }

 void t_haxe_generator::generate_isset_set(ostream& out, t_field* field) {
   if (!type_can_be_null(field->get_type())) {
     indent(out) << "this.__isset_" << field->get_name() << " = true;" << endl;
   }
 }

 std::string t_haxe_generator::get_enum_class_name(t_type* type) {
   string package = "";
   t_program* program = type->get_program();
   if (program != nullptr /*&& program != program_*/) {
     package = program->get_namespace("haxe") + ".";
   }
   return package + type->get_name();
 }

 THRIFT_REGISTER_GENERATOR(
     haxe,
     "Haxe",
     "    callbacks        Use onError()/onSuccess() callbacks for service methods\n"
     "    rtti             Enable @:rtti for generated classes and interfaces\n"
     "    buildmacro=my.macros.Class.method(args)\n"
     "                     Add @:build macro calls to generated classes and interfaces\n")