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Posted to commits@thrift.apache.org by je...@apache.org on 2014/11/09 01:59:19 UTC
[5/8] thrift git commit: THRIFT-2644 Haxe support Client: Haxe Patch:
Jens Geyer
http://git-wip-us.apache.org/repos/asf/thrift/blob/bd52f1a1/compiler/cpp/src/generate/t_haxe_generator.cc
----------------------------------------------------------------------
diff --git a/compiler/cpp/src/generate/t_haxe_generator.cc b/compiler/cpp/src/generate/t_haxe_generator.cc
new file mode 100644
index 0000000..24457e5
--- /dev/null
+++ b/compiler/cpp/src/generate/t_haxe_generator.cc
@@ -0,0 +1,2949 @@
+/*
+ * 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 "platform.h"
+#include "t_oop_generator.h"
+
+using std::map;
+using std::ofstream;
+using std::ostringstream;
+using std::string;
+using std::stringstream;
+using std::vector;
+
+static const string endl = "\n"; // avoid ostream << std::endl flushes
+
+/**
+ * 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;
+
+ iter = parsed_options.find("callbacks");
+ callbacks_ = (iter != parsed_options.end());
+
+ out_dir_base_ = "gen-haxe";
+ }
+
+ /**
+ * Init and close methods
+ */
+
+ void init_generator();
+ void close_generator();
+
+ void generate_consts(std::vector<t_const*> consts);
+
+ /**
+ * Program-level generation functions
+ */
+
+ void generate_typedef (t_typedef* ttypedef);
+ void generate_enum (t_enum* tenum);
+ void generate_struct (t_struct* tstruct);
+ void generate_xception(t_struct* txception);
+ void generate_service (t_service* tservice);
+
+ void print_const_value(std::ofstream& out, std::string name, t_type* type, t_const_value* value, bool in_static, bool defval=false);
+ std::string render_const_value(ofstream& 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);
+
+ void generate_haxe_struct_definition(std::ofstream& out, t_struct* tstruct, bool is_xception=false, bool in_class=false, bool is_result=false);
+ //removed -- equality,compare_to
+ void generate_haxe_struct_reader(std::ofstream& out, t_struct* tstruct);
+ void generate_haxe_validator(std::ofstream& out, t_struct* tstruct);
+ void generate_haxe_struct_result_writer(std::ofstream& out, t_struct* tstruct);
+ void generate_haxe_struct_writer(std::ofstream& out, t_struct* tstruct);
+ void generate_haxe_struct_tostring(std::ofstream& out, t_struct* tstruct);
+ void generate_haxe_meta_data_map(std::ofstream& out, t_struct* tstruct);
+ void generate_field_value_meta_data(std::ofstream& 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::ofstream& out, t_struct* tstruct);
+ void generate_generic_isset_method(std::ofstream& out, t_struct* tstruct);
+ void generate_property_getters_setters(std::ofstream& 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(ofstream& 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::ofstream& out,
+ t_field* tfield,
+ std::string prefix="");
+
+ void generate_deserialize_struct (std::ofstream& out,
+ t_struct* tstruct,
+ std::string prefix="");
+
+ void generate_deserialize_container (std::ofstream& out,
+ t_type* ttype,
+ std::string prefix="");
+
+ void generate_deserialize_set_element (std::ofstream& out,
+ t_set* tset,
+ std::string prefix="");
+
+ void generate_deserialize_map_element (std::ofstream& out,
+ t_map* tmap,
+ std::string prefix="");
+
+ void generate_deserialize_list_element (std::ofstream& out,
+ t_list* tlist,
+ std::string prefix="");
+
+ void generate_serialize_field (std::ofstream& out,
+ t_field* tfield,
+ std::string prefix="");
+
+ void generate_serialize_struct (std::ofstream& out,
+ t_struct* tstruct,
+ std::string prefix="");
+
+ void generate_serialize_container (std::ofstream& out,
+ t_type* ttype,
+ std::string prefix="");
+
+ void generate_serialize_map_element (std::ofstream& out,
+ t_map* tmap,
+ std::string iter,
+ std::string map);
+
+ void generate_serialize_set_element (std::ofstream& out,
+ t_set* tmap,
+ std::string iter);
+
+ void generate_serialize_list_element (std::ofstream& out,
+ t_list* tlist,
+ std::string iter);
+
+ void generate_haxe_doc (std::ofstream& out,
+ t_doc* tdoc);
+
+ void generate_haxe_doc (std::ofstream& out,
+ t_function* tdoc);
+
+ /**
+ * 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);
+ 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:
+ return true;
+ default:
+ return false;
+ }
+ }
+
+ return false;
+ }
+
+ std::string constant_name(std::string name);
+
+ private:
+ bool callbacks_;
+
+ /**
+ * File streams
+ */
+
+ std::string package_name_;
+ std::ofstream 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");
+
+ 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 != NULL && 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 != NULL && 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_+"/"+(tenum->get_name()) + ".hx";
+ ofstream f_enum;
+ f_enum.open(f_enum_name.c_str());
+
+ // Comment and package it
+ f_enum <<
+ autogen_comment() <<
+ haxe_package() << ";" << endl;
+
+ // Add haxe imports
+ f_enum << string() +
+ "import org.apache.thrift.helper.*;" << endl <<
+ endl;
+
+ indent(f_enum) <<
+ "class " << 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_+ "/" + program_name_ + "Constants.hx";
+ ofstream f_consts;
+ f_consts.open(f_consts_name.c_str());
+
+ // Print header
+ f_consts <<
+ autogen_comment() << haxe_package() << ";" << endl;
+
+ f_consts << endl;
+
+ f_consts << haxe_type_imports();
+
+
+
+ indent(f_consts) <<
+ "class " << 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::ofstream& 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*>& val = value->get_map();
+ map<t_const_value*, t_const_value*>::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 = NULL;
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ if ((*f_iter)->get_name() == v_iter->first->get_string()) {
+ field_type = (*f_iter)->get_type();
+ }
+ }
+ if (field_type == NULL) {
+ throw "type error: " + type->get_name() + " has no field " + v_iter->first->get_string();
+ }
+ 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*>& val = value->get_map();
+ map<t_const_value*, t_const_value*>::const_iterator v_iter;
+ for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) {
+ 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(ofstream& 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_BYTE:
+ 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) {
+ // Make output file
+ string f_struct_name = package_dir_+"/"+(tstruct->get_name()) + ".hx";
+ ofstream 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);
+
+ 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(ofstream &out,
+ t_struct* tstruct,
+ bool is_exception,
+ bool in_class,
+ bool is_result) {
+ generate_haxe_doc(out, tstruct);
+
+ string clsname = get_cap_name( tstruct->get_name());
+
+ 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) : " + 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()) << " : 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() != NULL) {
+ 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(ofstream& 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;
+
+ // 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()) << ":" << 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;
+
+ // in non-beans style, 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(ofstream& 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 and you chose the non-beans generator." << 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_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(ofstream& 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 << endl;
+
+ indent(out) << "oprot.writeStructBegin(STRUCT_DESC);" << endl;
+
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ 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;
+ }
+ }
+ // Write the struct map
+ out <<
+ indent() << "oprot.writeFieldStop();" << endl <<
+ indent() << "oprot.writeStructEnd();" << endl;
+
+ 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(ofstream& 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.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) << "}";
+ }
+ // Write the struct map
+ out <<
+ endl <<
+ indent() << "oprot.writeFieldStop();" << endl <<
+ indent() << "oprot.writeStructEnd();" << endl;
+
+ 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) << ":" << 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) << ":" << 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::ofstream& 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::ofstream& 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()) << ":" << 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(ofstream& 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 << "():" <<
+ 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 << ":" << type_name(type) << ") : " <<
+ 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(ofstream& 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_base_type() && ((t_base_type*)(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_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(ofstream& 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) << "] = 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_BYTE : 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::ofstream& 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_+"/"+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() != NULL) {
+ 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_+"/"+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() != NULL) {
+ 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);
+ generate_service_helpers(tservice);
+
+ f_service_.close();
+
+ // Now make the processor/server file
+ f_service_name = package_dir_+"/"+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_ << "." << service_name_.c_str() << "Impl;" << endl;
+ f_service_ << endl;
+ }
+
+ generate_service_server(tservice);
+ //generate_service_helpers(tservice); - once is enough, see client file
+
+ 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() != NULL) {
+ extends_iface = " extends " + tservice->get_extends()->get_name();
+ }
+
+ generate_haxe_doc(f_service_, tservice);
+ f_service_ << indent() << "interface " << 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_definition(f_service_, ts, false, true);
+ 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() != NULL) {
+ extends = tservice->get_extends()->get_name();
+ extends_client = " extends " + extends + "Impl";
+ }
+
+ indent(f_service_) <<
+ "class " << service_name_ <<
+ "Impl" << extends_client <<
+ " implements " << 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() != NULL) {
+ extends = type_name(tservice->get_extends());
+ extends_processor = " extends " + extends + "Processor";
+ }
+
+ // Generate the header portion
+ indent(f_service_) <<
+ "class " << service_name_ <<
+ "Processor" << extends_processor <<
+ " implements TProcessor {" <<
+ endl << endl;
+ indent_up();
+
+ f_service_ <<
+ indent() << "private var " << service_name_ << "_iface_ : " << 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 : " << service_name_ << ")" << endl;
+ scope_up(f_service_);
+ if (!extends.empty()) {
+ f_service_ <<
+ indent() << "super(iface);" << endl;
+ }
+ f_service_ <<
+ indent() << 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() != NULL) {
+ 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_definition(f_service_, &result, false, true, 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_ <<
+ 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_ <<
+ 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() << ":" << 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(ofstream& 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 (((t_base_type*)type)->is_binary()) {
+ out << "readBinary();";
+ } else {
+ out << "readString();";
+ }
+ break;
+ case t_base_type::TYPE_BOOL:
+ out << "readBool();";
+ break;
+ case t_base_type::TYPE_BYTE:
+ out << "readByte();";
+ break;
+ case t_base_type::TYPE_I16:
+ out << "readI16();";
+ break;
+ case t_base_type::TYPE_I32:
+ out << "readI32();";
+ break;
+ case t_base_type::TYPE_I64:
+ out << "readI64();";
+ break;
+ case t_base_type::TYPE_DOUBLE:
+ out << "readDouble();";
+ break;
+ default:
+ throw "compiler error: no 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(ofstream& out,
+ t_struct* tstruct,
+ string prefix) {
+ out <<
+ indent() << prefix << " = new " << 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(ofstream& 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(ofstream& out,
+ t_map* tmap,
+ string prefix) {
+ string key = tmp("_key");
+ string val = tmp("_val");
+ t_field fkey(tmap->get_key_type(), key);
+ t_field fval(tmap->get_val_type(), val);
+
+ indent(out) <<
+ declare_field(&fkey) << 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(ofstream& 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(ofstream& 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(ofstream& out,
+ t_field* tfield,
+ string prefix) {
+ t_type* type = get_true_type(tfield->get_type());
+
+ // Do nothing for void types
+ if (type->is_void()) {
+ throw "CANNOT GENERATE SERIALIZE CODE FOR void TYPE: " +
+ prefix + tfield->get_name();
+ }
+
+ if (type->is_struct() || type->is_xception()) {
+ generate_serialize_struct(out,
+ (t_struct*)type,
+ prefix + tfield->get_name());
+ } else if (type->is_container()) {
+ generate_serialize_container(out,
+ type,
+ prefix + tfield->get_name());
+ } else if (type->is_base_type() || type->is_enum()) {
+
+ string name = 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 (((t_base_type*)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_BYTE:
+ out << "writeByte(" << name << ");";
+ break;
+ case t_base_type::TYPE_I16:
+ out << "writeI16(" << name << ");";
+ break;
+ case t_base_type::TYPE_I32:
+ out << "writeI32(" << name << ");";
+ break;
+ case t_base_type::TYPE_I64:
+ out << "writeI64(" << name << ");";
+ break;
+ case t_base_type::TYPE_DOUBLE:
+ out << "writeDouble(" << name << ");";
+ break;
+ default:
+ throw "compiler error: no 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(ofstream& 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(ofstream& 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(ofstream& 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(ofstream& out,
+ t_set* tset,
+ string iter) {
+ t_field efield(tset->get_elem_type(), iter);
+ generate_serialize_field(out, &efield, "");
+}
+
+/**
+ * Serializes the members of a list.
+ */
+void t_haxe_generator::generate_serialize_list_element(ofstream& out,
+ t_list* tlist,
+ string iter) {
+ t_field efield(tlist->get_elem_type(), iter);
+ generate_serialize_field(out, &efield, "");
+}
+
+/**
+ * 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( ! (((t_base_type*)tkey)->is_binary())) {
+ return "StringMap< "+type_name(tval)+">";
+ }
+ case t_base_type::TYPE_BYTE:
+ case t_base_type::TYPE_I16:
+ case t_base_type::TY
<TRUNCATED>