You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@hawq.apache.org by rl...@apache.org on 2016/05/18 02:50:43 UTC
[30/51] [abbrv] [partial] incubator-hawq git commit: HAWQ-735. Import
thrift-0.9.3 into depends/thirdparty/thrift folder
http://git-wip-us.apache.org/repos/asf/incubator-hawq/blob/d709f67d/depends/thirdparty/thrift/compiler/cpp/src/generate/t_js_generator.cc
----------------------------------------------------------------------
diff --git a/depends/thirdparty/thrift/compiler/cpp/src/generate/t_js_generator.cc b/depends/thirdparty/thrift/compiler/cpp/src/generate/t_js_generator.cc
new file mode 100644
index 0000000..c348774
--- /dev/null
+++ b/depends/thirdparty/thrift/compiler/cpp/src/generate/t_js_generator.cc
@@ -0,0 +1,2179 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include <map>
+#include <string>
+#include <fstream>
+#include <iostream>
+#include <vector>
+#include <list>
+
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <sstream>
+#include "platform.h"
+#include "version.h"
+
+using std::map;
+using std::ofstream;
+using std::ostringstream;
+using std::string;
+using std::stringstream;
+using std::vector;
+
+static const string endl = "\n"; // avoid ostream << std::endl flushes
+
+#include "t_oop_generator.h"
+
+
+/**
+ * JS code generator.
+ */
+class t_js_generator : public t_oop_generator {
+public:
+ t_js_generator(t_program* program,
+ const std::map<std::string, std::string>& parsed_options,
+ const std::string& option_string)
+ : t_oop_generator(program) {
+ (void)option_string;
+
+ std::map<std::string, std::string>::const_iterator iter;
+
+ iter = parsed_options.find("node");
+ gen_node_ = (iter != parsed_options.end());
+
+ iter = parsed_options.find("jquery");
+ gen_jquery_ = (iter != parsed_options.end());
+
+ if (!gen_node_) {
+ iter = parsed_options.find("ts");
+ gen_ts_ = (iter != parsed_options.end());
+ } else {
+ gen_ts_ = false;
+ }
+
+ if (gen_node_ && gen_jquery_) {
+ throw "Invalid switch: [-gen js:node,jquery] options not compatible, try: [-gen js:node -gen "
+ "js:jquery]";
+ }
+
+ if (gen_node_) {
+ out_dir_base_ = "gen-nodejs";
+ } else {
+ out_dir_base_ = "gen-js";
+ }
+
+ escape_['\''] = "\\'";
+ }
+
+ /**
+ * Init and close methods
+ */
+
+ void init_generator();
+ void close_generator();
+
+ /**
+ * Program-level generation functions
+ */
+
+ void generate_typedef(t_typedef* ttypedef);
+ void generate_enum(t_enum* tenum);
+ void generate_const(t_const* tconst);
+ void generate_struct(t_struct* tstruct);
+ void generate_xception(t_struct* txception);
+ void generate_service(t_service* tservice);
+
+ std::string render_recv_throw(std::string var);
+ std::string render_recv_return(std::string var);
+
+ std::string render_const_value(t_type* type, t_const_value* value);
+
+ /**
+ * Structs!
+ */
+ void generate_js_struct(t_struct* tstruct, bool is_exception);
+ void generate_js_struct_definition(std::ofstream& out,
+ t_struct* tstruct,
+ bool is_xception = false,
+ bool is_exported = true);
+ void generate_js_struct_reader(std::ofstream& out, t_struct* tstruct);
+ void generate_js_struct_writer(std::ofstream& out, t_struct* tstruct);
+ void generate_js_function_helpers(t_function* tfunction);
+
+ /**
+ * Service-level generation functions
+ */
+ void generate_service_helpers(t_service* tservice);
+ void generate_service_interface(t_service* tservice);
+ void generate_service_rest(t_service* tservice);
+ void generate_service_client(t_service* tservice);
+ void generate_service_processor(t_service* tservice);
+ void generate_process_function(t_service* tservice, t_function* tfunction);
+
+ /**
+ * Serialization constructs
+ */
+
+ void generate_deserialize_field(std::ofstream& out,
+ t_field* tfield,
+ std::string prefix = "",
+ bool inclass = false);
+
+ void generate_deserialize_struct(std::ofstream& out, t_struct* tstruct, std::string prefix = "");
+
+ void generate_deserialize_container(std::ofstream& out, t_type* ttype, std::string prefix = "");
+
+ void generate_deserialize_set_element(std::ofstream& out, t_set* tset, std::string prefix = "");
+
+ void generate_deserialize_map_element(std::ofstream& out, t_map* tmap, std::string prefix = "");
+
+ void generate_deserialize_list_element(std::ofstream& out,
+ t_list* tlist,
+ std::string prefix = "");
+
+ void generate_serialize_field(std::ofstream& out, t_field* tfield, std::string prefix = "");
+
+ void generate_serialize_struct(std::ofstream& out, t_struct* tstruct, std::string prefix = "");
+
+ void generate_serialize_container(std::ofstream& out, t_type* ttype, std::string prefix = "");
+
+ void generate_serialize_map_element(std::ofstream& out,
+ t_map* tmap,
+ std::string kiter,
+ std::string viter);
+
+ void generate_serialize_set_element(std::ofstream& out, t_set* tmap, std::string iter);
+
+ void generate_serialize_list_element(std::ofstream& out, t_list* tlist, std::string iter);
+
+ /**
+ * Helper rendering functions
+ */
+
+ std::string js_includes();
+ std::string render_includes();
+ std::string declare_field(t_field* tfield, bool init = false, bool obj = false);
+ std::string function_signature(t_function* tfunction,
+ std::string prefix = "",
+ bool include_callback = false);
+ std::string argument_list(t_struct* tstruct, bool include_callback = false);
+ std::string type_to_enum(t_type* ttype);
+
+ std::string autogen_comment() {
+ return std::string("//\n") + "// Autogenerated by Thrift Compiler (" + THRIFT_VERSION + ")\n"
+ + "//\n" + "// DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING\n"
+ + "//\n";
+ }
+
+ t_type* get_contained_type(t_type* t);
+
+ std::vector<std::string> js_namespace_pieces(t_program* p) {
+ std::string ns = p->get_namespace("js");
+
+ std::string::size_type loc;
+ std::vector<std::string> pieces;
+
+ if (ns.size() > 0) {
+ while ((loc = ns.find(".")) != std::string::npos) {
+ pieces.push_back(ns.substr(0, loc));
+ ns = ns.substr(loc + 1);
+ }
+ }
+
+ if (ns.size() > 0) {
+ pieces.push_back(ns);
+ }
+
+ return pieces;
+ }
+
+ std::string js_type_namespace(t_program* p) {
+ if (gen_node_) {
+ if (p != NULL && p != program_) {
+ return p->get_name() + "_ttypes.";
+ }
+ return "ttypes.";
+ }
+ return js_namespace(p);
+ }
+
+ std::string js_export_namespace(t_program* p) {
+ if (gen_node_) {
+ return "exports.";
+ }
+ return js_namespace(p);
+ }
+
+ std::string js_namespace(t_program* p) {
+ std::string ns = p->get_namespace("js");
+ if (ns.size() > 0) {
+ ns += ".";
+ }
+
+ return ns;
+ }
+
+ /**
+ * TypeScript Definition File helper functions
+ */
+
+ string ts_function_signature(t_function* tfunction, bool include_callback);
+ string ts_get_type(t_type* type);
+
+ /**
+ * Special indentation for TypeScript Definitions because of the module.
+ * Returns the normal indentation + " " if a module was defined.
+ * @return string
+ */
+ string ts_indent() { return indent() + (!ts_module_.empty() ? " " : ""); }
+
+ /**
+ * Returns "declare " if no module was defined.
+ * @return string
+ */
+ string ts_declare() { return (ts_module_.empty() ? "declare " : ""); }
+
+ /**
+ * Returns "?" if the given field is optional.
+ * @param t_field The field to check
+ * @return string
+ */
+ string ts_get_req(t_field* field) { return (field->get_req() == t_field::T_OPTIONAL ? "?" : ""); }
+
+ /**
+ * Returns the documentation, if the provided documentable object has one.
+ * @param t_doc The object to get the documentation from
+ * @return string The documentation
+ */
+ string ts_print_doc(t_doc* tdoc) {
+ string result = endl;
+
+ if (tdoc->has_doc()) {
+ std::stringstream doc(tdoc->get_doc());
+ string item;
+
+ result += ts_indent() + "/**" + endl;
+ while (std::getline(doc, item)) {
+ result += ts_indent() + " * " + item + endl;
+ }
+ result += ts_indent() + " */" + endl;
+ }
+ return result;
+ }
+
+private:
+ /**
+ * True if we should generate NodeJS-friendly RPC services.
+ */
+ bool gen_node_;
+
+ /**
+ * True if we should generate services that use jQuery ajax (async/sync).
+ */
+ bool gen_jquery_;
+
+ /**
+ * True if we should generate a TypeScript Definition File for each service.
+ */
+ bool gen_ts_;
+
+ /**
+ * The name of the defined module(s), for TypeScript Definition Files.
+ */
+ string ts_module_;
+
+ /**
+ * File streams
+ */
+ std::ofstream f_types_;
+ std::ofstream f_service_;
+ std::ofstream f_types_ts_;
+ std::ofstream f_service_ts_;
+};
+
+/**
+ * Prepares for file generation by opening up the necessary file output
+ * streams.
+ *
+ * @param tprogram The program to generate
+ */
+void t_js_generator::init_generator() {
+ // Make output directory
+ MKDIR(get_out_dir().c_str());
+
+ string outdir = get_out_dir();
+
+ // Make output file(s)
+ string f_types_name = outdir + program_->get_name() + "_types.js";
+ f_types_.open(f_types_name.c_str());
+
+ if (gen_ts_) {
+ string f_types_ts_name = outdir + program_->get_name() + "_types.d.ts";
+ f_types_ts_.open(f_types_ts_name.c_str());
+ }
+
+ // Print header
+ f_types_ << autogen_comment() << js_includes() << endl << render_includes() << endl;
+
+ if (gen_ts_) {
+ f_types_ts_ << autogen_comment() << endl;
+ }
+
+ if (gen_node_) {
+ f_types_ << "var ttypes = module.exports = {};" << endl;
+ }
+
+ string pns;
+
+ // setup the namespace
+ // TODO should the namespace just be in the directory structure for node?
+ vector<string> ns_pieces = js_namespace_pieces(program_);
+ if (ns_pieces.size() > 0) {
+ for (size_t i = 0; i < ns_pieces.size(); ++i) {
+ pns += ((i == 0) ? "" : ".") + ns_pieces[i];
+ f_types_ << "if (typeof " << pns << " === 'undefined') {" << endl;
+ f_types_ << " " << pns << " = {};" << endl;
+ f_types_ << "}" << endl;
+ }
+ if (gen_ts_) {
+ ts_module_ = pns;
+ f_types_ts_ << "declare module " << ts_module_ << " {";
+ }
+ }
+}
+
+/**
+ * Prints standard js imports
+ */
+string t_js_generator::js_includes() {
+ if (gen_node_) {
+ return string(
+ "var thrift = require('thrift');\n"
+ "var Thrift = thrift.Thrift;\n"
+ "var Q = thrift.Q;\n");
+ }
+
+ return "";
+}
+
+/**
+ * Renders all the imports necessary for including another Thrift program
+ */
+string t_js_generator::render_includes() {
+ string result = "";
+
+ if (gen_node_) {
+ const vector<t_program*>& includes = program_->get_includes();
+ for (size_t i = 0; i < includes.size(); ++i) {
+ result += "var " + includes[i]->get_name() + "_ttypes = require('./" + includes[i]->get_name()
+ + "_types')\n";
+ }
+ if (includes.size() > 0) {
+ result += "\n";
+ }
+ }
+
+ return result;
+}
+
+/**
+ * Close up (or down) some filez.
+ */
+void t_js_generator::close_generator() {
+ // Close types file(s)
+
+ f_types_.close();
+
+ if (gen_ts_) {
+ if (!ts_module_.empty()) {
+ f_types_ts_ << "}";
+ }
+ f_types_ts_.close();
+ }
+}
+
+/**
+ * Generates a typedef. This is not done in JS, types are all implicit.
+ *
+ * @param ttypedef The type definition
+ */
+void t_js_generator::generate_typedef(t_typedef* ttypedef) {
+ (void)ttypedef;
+}
+
+/**
+ * Generates code for an enumerated type. Since define is expensive to lookup
+ * in JS, we use a global array for this.
+ *
+ * @param tenum The enumeration
+ */
+void t_js_generator::generate_enum(t_enum* tenum) {
+ f_types_ << js_type_namespace(tenum->get_program()) << tenum->get_name() << " = {" << endl;
+
+ if (gen_ts_) {
+ f_types_ts_ << ts_print_doc(tenum) << ts_indent() << ts_declare() << "enum "
+ << tenum->get_name() << " {" << endl;
+ }
+
+ indent_up();
+
+ vector<t_enum_value*> constants = tenum->get_constants();
+ vector<t_enum_value*>::iterator c_iter;
+ for (c_iter = constants.begin(); c_iter != constants.end(); ++c_iter) {
+ int value = (*c_iter)->get_value();
+ if (gen_ts_) {
+ f_types_ts_ << ts_indent() << (*c_iter)->get_name() << " = " << value << "," << endl;
+ // add 'value: key' in addition to 'key: value' for TypeScript enums
+ f_types_ << indent() << "'" << value << "' : '" << (*c_iter)->get_name() << "'," << endl;
+ }
+ f_types_ << indent() << "'" << (*c_iter)->get_name() << "' : " << value;
+ if (c_iter != constants.end() - 1) {
+ f_types_ << ",";
+ }
+ f_types_ << endl;
+ }
+
+ indent_down();
+
+ f_types_ << "};" << endl;
+
+ if (gen_ts_) {
+ f_types_ts_ << ts_indent() << "}" << endl;
+ }
+}
+
+/**
+ * Generate a constant value
+ */
+void t_js_generator::generate_const(t_const* tconst) {
+ t_type* type = tconst->get_type();
+ string name = tconst->get_name();
+ t_const_value* value = tconst->get_value();
+
+ f_types_ << js_type_namespace(program_) << name << " = ";
+ f_types_ << render_const_value(type, value) << ";" << endl;
+
+ if (gen_ts_) {
+ f_types_ts_ << ts_print_doc(tconst) << ts_indent() << ts_declare() << "var " << name << ": "
+ << ts_get_type(type) << ";" << endl;
+ }
+}
+
+/**
+ * Prints the value of a constant with the given type. Note that type checking
+ * is NOT performed in this function as it is always run beforehand using the
+ * validate_types method in main.cc
+ */
+string t_js_generator::render_const_value(t_type* type, t_const_value* value) {
+ std::ostringstream out;
+
+ type = get_true_type(type);
+
+ if (type->is_base_type()) {
+ t_base_type::t_base tbase = ((t_base_type*)type)->get_base();
+ switch (tbase) {
+ case t_base_type::TYPE_STRING:
+ out << "'" << get_escaped_string(value) << "'";
+ break;
+ case t_base_type::TYPE_BOOL:
+ out << (value->get_integer() > 0 ? "true" : "false");
+ break;
+ case t_base_type::TYPE_BYTE:
+ case t_base_type::TYPE_I16:
+ case t_base_type::TYPE_I32:
+ case t_base_type::TYPE_I64:
+ out << value->get_integer();
+ break;
+ case t_base_type::TYPE_DOUBLE:
+ if (value->get_type() == t_const_value::CV_INTEGER) {
+ out << value->get_integer();
+ } else {
+ out << value->get_double();
+ }
+ break;
+ default:
+ throw "compiler error: no const of base type " + t_base_type::t_base_name(tbase);
+ }
+ } else if (type->is_enum()) {
+ out << value->get_integer();
+ } else if (type->is_struct() || type->is_xception()) {
+ out << "new " << js_type_namespace(type->get_program()) << type->get_name() << "({" << endl;
+ indent_up();
+ const vector<t_field*>& fields = ((t_struct*)type)->get_members();
+ vector<t_field*>::const_iterator f_iter;
+ const map<t_const_value*, t_const_value*>& val = value->get_map();
+ map<t_const_value*, t_const_value*>::const_iterator v_iter;
+ for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) {
+ t_type* field_type = NULL;
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ if ((*f_iter)->get_name() == v_iter->first->get_string()) {
+ field_type = (*f_iter)->get_type();
+ }
+ }
+ if (field_type == NULL) {
+ throw "type error: " + type->get_name() + " has no field " + v_iter->first->get_string();
+ }
+ if (v_iter != val.begin())
+ out << ",";
+ out << render_const_value(g_type_string, v_iter->first);
+ out << " : ";
+ out << render_const_value(field_type, v_iter->second);
+ }
+
+ out << "})";
+ } else if (type->is_map()) {
+ t_type* ktype = ((t_map*)type)->get_key_type();
+
+ t_type* vtype = ((t_map*)type)->get_val_type();
+ out << "{" << endl;
+ indent_up();
+
+ const map<t_const_value*, t_const_value*>& val = value->get_map();
+ map<t_const_value*, t_const_value*>::const_iterator v_iter;
+ for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) {
+ if (v_iter != val.begin())
+ out << "," << endl;
+
+ out << indent() << render_const_value(ktype, v_iter->first);
+
+ out << " : ";
+ out << render_const_value(vtype, v_iter->second);
+ }
+
+ indent_down();
+ out << endl << "}";
+ } else if (type->is_list() || type->is_set()) {
+ t_type* etype;
+ if (type->is_list()) {
+ etype = ((t_list*)type)->get_elem_type();
+ } else {
+ etype = ((t_set*)type)->get_elem_type();
+ }
+ out << "[";
+ const vector<t_const_value*>& val = value->get_list();
+ vector<t_const_value*>::const_iterator v_iter;
+ for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) {
+ if (v_iter != val.begin())
+ out << ",";
+ out << render_const_value(etype, *v_iter);
+ }
+ out << "]";
+ }
+ return out.str();
+}
+
+/**
+ * Make a struct
+ */
+void t_js_generator::generate_struct(t_struct* tstruct) {
+ generate_js_struct(tstruct, false);
+}
+
+/**
+ * Generates a struct definition for a thrift exception. Basically the same
+ * as a struct but extends the Exception class.
+ *
+ * @param txception The struct definition
+ */
+void t_js_generator::generate_xception(t_struct* txception) {
+ generate_js_struct(txception, true);
+}
+
+/**
+ * Structs can be normal or exceptions.
+ */
+void t_js_generator::generate_js_struct(t_struct* tstruct, bool is_exception) {
+ generate_js_struct_definition(f_types_, tstruct, is_exception);
+}
+
+/**
+ * Return type of contained elements for a container type. For maps
+ * this is type of value (keys are always strings in js)
+ */
+t_type* t_js_generator::get_contained_type(t_type* t) {
+ t_type* etype;
+ if (t->is_list()) {
+ etype = ((t_list*)t)->get_elem_type();
+ } else if (t->is_set()) {
+ etype = ((t_set*)t)->get_elem_type();
+ } else {
+ etype = ((t_map*)t)->get_val_type();
+ }
+ return etype;
+}
+
+/**
+ * Generates a struct definition for a thrift data type. This is nothing in JS
+ * where the objects are all just associative arrays (unless of course we
+ * decide to start using objects for them...)
+ *
+ * @param tstruct The struct definition
+ */
+void t_js_generator::generate_js_struct_definition(ofstream& out,
+ t_struct* tstruct,
+ bool is_exception,
+ bool is_exported) {
+ const vector<t_field*>& members = tstruct->get_members();
+ vector<t_field*>::const_iterator m_iter;
+
+ if (gen_node_) {
+ if (is_exported) {
+ out << js_namespace(tstruct->get_program()) << tstruct->get_name() << " = "
+ << "module.exports." << tstruct->get_name() << " = function(args) {" << endl;
+ } else {
+ out << js_namespace(tstruct->get_program()) << tstruct->get_name() << " = function(args) {"
+ << endl;
+ }
+ } else {
+ out << js_namespace(tstruct->get_program()) << tstruct->get_name() << " = function(args) {"
+ << endl;
+ if (gen_ts_) {
+ f_types_ts_ << ts_print_doc(tstruct) << ts_indent() << ts_declare() << "class "
+ << tstruct->get_name() << (is_exception ? " extends Thrift.TException" : "")
+ << " {" << endl;
+ }
+ }
+
+ indent_up();
+
+ if (gen_node_ && is_exception) {
+ out << indent() << "Thrift.TException.call(this, \"" << js_namespace(tstruct->get_program())
+ << tstruct->get_name() << "\")" << endl;
+ out << indent() << "this.name = \"" << js_namespace(tstruct->get_program())
+ << tstruct->get_name() << "\"" << endl;
+ }
+
+ // members with arguments
+ for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+ string dval = declare_field(*m_iter, false, true);
+ t_type* t = get_true_type((*m_iter)->get_type());
+ if ((*m_iter)->get_value() != NULL && !(t->is_struct() || t->is_xception())) {
+ dval = render_const_value((*m_iter)->get_type(), (*m_iter)->get_value());
+ out << indent() << "this." << (*m_iter)->get_name() << " = " << dval << ";" << endl;
+ } else {
+ out << indent() << dval << ";" << endl;
+ }
+ if (gen_ts_) {
+ f_types_ts_ << ts_indent() << (*m_iter)->get_name() << ": "
+ << ts_get_type((*m_iter)->get_type()) << ";" << endl;
+ }
+ }
+
+ // Generate constructor from array
+ if (members.size() > 0) {
+
+ for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+ t_type* t = get_true_type((*m_iter)->get_type());
+ if ((*m_iter)->get_value() != NULL && (t->is_struct() || t->is_xception())) {
+ indent(out) << "this." << (*m_iter)->get_name() << " = "
+ << render_const_value(t, (*m_iter)->get_value()) << ";" << endl;
+ }
+ }
+
+ // Early returns for exceptions
+ for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+ t_type* t = get_true_type((*m_iter)->get_type());
+ if (t->is_xception()) {
+ out << indent() << "if (args instanceof " << js_type_namespace(t->get_program())
+ << t->get_name() << ") {" << endl << indent() << indent() << "this."
+ << (*m_iter)->get_name() << " = args;" << endl << indent() << indent() << "return;"
+ << endl << indent() << "}" << endl;
+ }
+ }
+
+ out << indent() << "if (args) {" << endl;
+ if (gen_ts_) {
+ f_types_ts_ << endl << ts_indent() << "constructor(args?: { ";
+ }
+
+ for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+ t_type* t = get_true_type((*m_iter)->get_type());
+ out << indent() << indent() << "if (args." << (*m_iter)->get_name() << " !== undefined && args." << (*m_iter)->get_name() << " !== null) {"
+ << endl << indent() << indent() << indent() << "this." << (*m_iter)->get_name();
+
+ if (t->is_struct()) {
+ out << (" = new " + js_type_namespace(t->get_program()) + t->get_name() +
+ "(args."+(*m_iter)->get_name() +");");
+ out << endl;
+ } else if (t->is_container()) {
+ t_type* etype = get_contained_type(t);
+ string copyFunc = t->is_map() ? "Thrift.copyMap" : "Thrift.copyList";
+ string type_list = "";
+
+ while (etype->is_container()) {
+ if (type_list.length() > 0) {
+ type_list += ", ";
+ }
+ type_list += etype->is_map() ? "Thrift.copyMap" : "Thrift.copyList";
+ etype = get_contained_type(etype);
+ }
+
+ if (etype->is_struct()) {
+ if (type_list.length() > 0) {
+ type_list += ", ";
+ }
+ type_list += js_type_namespace(etype->get_program()) + etype->get_name();
+ }
+ else {
+ if (type_list.length() > 0) {
+ type_list += ", ";
+ }
+ type_list += "null";
+ }
+
+ out << (" = " + copyFunc + "(args." + (*m_iter)->get_name() +
+ ", [" + type_list + "]);");
+ out << endl;
+ } else {
+ out << " = args." << (*m_iter)->get_name() << ";" << endl;
+ }
+
+ if (!(*m_iter)->get_req()) {
+ out << indent() << indent() << "} else {" << endl << indent() << indent() << indent()
+ << "throw new Thrift.TProtocolException(Thrift.TProtocolExceptionType.UNKNOWN, "
+ "'Required field " << (*m_iter)->get_name() << " is unset!');" << endl;
+ }
+ out << indent() << indent() << "}" << endl;
+ if (gen_ts_) {
+ f_types_ts_ << (*m_iter)->get_name() << ts_get_req(*m_iter) << ": "
+ << ts_get_type((*m_iter)->get_type()) << "; ";
+ }
+ }
+
+ out << indent() << "}" << endl;
+ if (gen_ts_) {
+ f_types_ts_ << "});" << endl;
+ }
+ }
+
+ indent_down();
+ out << "};" << endl;
+ if (gen_ts_) {
+ f_types_ts_ << ts_indent() << "}" << endl;
+ }
+
+ if (is_exception) {
+ out << "Thrift.inherits(" << js_namespace(tstruct->get_program()) << tstruct->get_name()
+ << ", Thrift.TException);" << endl;
+ out << js_namespace(tstruct->get_program()) << tstruct->get_name() << ".prototype.name = '"
+ << tstruct->get_name() << "';" << endl;
+ } else {
+ // init prototype
+ out << js_namespace(tstruct->get_program()) << tstruct->get_name() << ".prototype = {};"
+ << endl;
+ }
+
+ generate_js_struct_reader(out, tstruct);
+ generate_js_struct_writer(out, tstruct);
+}
+
+/**
+ * Generates the read() method for a struct
+ */
+void t_js_generator::generate_js_struct_reader(ofstream& out, t_struct* tstruct) {
+ const vector<t_field*>& fields = tstruct->get_members();
+ vector<t_field*>::const_iterator f_iter;
+
+ out << js_namespace(tstruct->get_program()) << tstruct->get_name()
+ << ".prototype.read = function(input) {" << endl;
+
+ indent_up();
+
+ indent(out) << "input.readStructBegin();" << endl;
+
+ // Loop over reading in fields
+ indent(out) << "while (true)" << endl;
+
+ scope_up(out);
+
+ indent(out) << "var ret = input.readFieldBegin();" << endl;
+ indent(out) << "var fname = ret.fname;" << endl;
+ indent(out) << "var ftype = ret.ftype;" << endl;
+ indent(out) << "var fid = ret.fid;" << endl;
+
+ // Check for field STOP marker and break
+ indent(out) << "if (ftype == Thrift.Type.STOP) {" << endl;
+ indent_up();
+ indent(out) << "break;" << endl;
+ indent_down();
+ indent(out) << "}" << endl;
+ if (!fields.empty()) {
+ // Switch statement on the field we are reading
+ indent(out) << "switch (fid)" << endl;
+
+ scope_up(out);
+
+ // Generate deserialization code for known cases
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+
+ indent(out) << "case " << (*f_iter)->get_key() << ":" << endl;
+ indent(out) << "if (ftype == " << type_to_enum((*f_iter)->get_type()) << ") {" << endl;
+
+ indent_up();
+ generate_deserialize_field(out, *f_iter, "this.");
+ indent_down();
+
+ indent(out) << "} else {" << endl;
+
+ indent(out) << " input.skip(ftype);" << endl;
+
+ out << indent() << "}" << endl << indent() << "break;" << endl;
+ }
+ if (fields.size() == 1) {
+ // pseudo case to make jslint happy
+ indent(out) << "case 0:" << endl;
+ indent(out) << " input.skip(ftype);" << endl;
+ indent(out) << " break;" << endl;
+ }
+ // In the default case we skip the field
+ indent(out) << "default:" << endl;
+ indent(out) << " input.skip(ftype);" << endl;
+
+ scope_down(out);
+ } else {
+ indent(out) << "input.skip(ftype);" << endl;
+ }
+
+ indent(out) << "input.readFieldEnd();" << endl;
+
+ scope_down(out);
+
+ indent(out) << "input.readStructEnd();" << endl;
+
+ indent(out) << "return;" << endl;
+
+ indent_down();
+ out << indent() << "};" << endl << endl;
+}
+
+/**
+ * Generates the write() method for a struct
+ */
+void t_js_generator::generate_js_struct_writer(ofstream& out, t_struct* tstruct) {
+ string name = tstruct->get_name();
+ const vector<t_field*>& fields = tstruct->get_members();
+ vector<t_field*>::const_iterator f_iter;
+
+ out << js_namespace(tstruct->get_program()) << tstruct->get_name()
+ << ".prototype.write = function(output) {" << endl;
+
+ indent_up();
+
+ indent(out) << "output.writeStructBegin('" << name << "');" << endl;
+
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ out << indent() << "if (this." << (*f_iter)->get_name() << " !== null && this."
+ << (*f_iter)->get_name() << " !== undefined) {" << endl;
+ indent_up();
+
+ indent(out) << "output.writeFieldBegin("
+ << "'" << (*f_iter)->get_name() << "', " << type_to_enum((*f_iter)->get_type())
+ << ", " << (*f_iter)->get_key() << ");" << endl;
+
+ // Write field contents
+ generate_serialize_field(out, *f_iter, "this.");
+
+ indent(out) << "output.writeFieldEnd();" << endl;
+
+ indent_down();
+ indent(out) << "}" << endl;
+ }
+
+ out << indent() << "output.writeFieldStop();" << endl << indent() << "output.writeStructEnd();"
+ << endl;
+
+ out << indent() << "return;" << endl;
+
+ indent_down();
+ out << indent() << "};" << endl << endl;
+}
+
+/**
+ * Generates a thrift service.
+ *
+ * @param tservice The service definition
+ */
+void t_js_generator::generate_service(t_service* tservice) {
+ string f_service_name = get_out_dir() + service_name_ + ".js";
+ f_service_.open(f_service_name.c_str());
+
+ if (gen_ts_) {
+ string f_service_ts_name = get_out_dir() + service_name_ + ".d.ts";
+ f_service_ts_.open(f_service_ts_name.c_str());
+ }
+
+ f_service_ << autogen_comment() << js_includes() << endl << render_includes() << endl;
+
+ if (gen_ts_) {
+ if (tservice->get_extends() != NULL) {
+ f_service_ts_ << "/// <reference path=\"" << tservice->get_extends()->get_name()
+ << ".d.ts\" />" << endl;
+ }
+ f_service_ts_ << autogen_comment() << endl;
+ if (!ts_module_.empty()) {
+ f_service_ts_ << "declare module " << ts_module_ << " {";
+ }
+ }
+
+ if (gen_node_) {
+ if (tservice->get_extends() != NULL) {
+ f_service_ << "var " << tservice->get_extends()->get_name() << " = require('./"
+ << tservice->get_extends()->get_name() << "')" << endl << "var "
+ << tservice->get_extends()->get_name()
+ << "Client = " << tservice->get_extends()->get_name() << ".Client" << endl
+ << "var " << tservice->get_extends()->get_name()
+ << "Processor = " << tservice->get_extends()->get_name() << ".Processor" << endl;
+ }
+
+ f_service_ << "var ttypes = require('./" + program_->get_name() + "_types');" << endl;
+ }
+
+ generate_service_helpers(tservice);
+ generate_service_interface(tservice);
+ generate_service_client(tservice);
+
+ if (gen_node_) {
+ generate_service_processor(tservice);
+ }
+
+ f_service_.close();
+ if (gen_ts_) {
+ if (!ts_module_.empty()) {
+ f_service_ts_ << "}";
+ }
+ f_service_ts_.close();
+ }
+}
+
+/**
+ * Generates a service server definition.
+ *
+ * @param tservice The service to generate a server for.
+ */
+void t_js_generator::generate_service_processor(t_service* tservice) {
+ vector<t_function*> functions = tservice->get_functions();
+ vector<t_function*>::iterator f_iter;
+
+ f_service_ << js_namespace(tservice->get_program()) << service_name_ << "Processor = "
+ << "exports.Processor = function(handler) ";
+
+ scope_up(f_service_);
+
+ f_service_ << indent() << "this._handler = handler" << endl;
+
+ scope_down(f_service_);
+
+ if (tservice->get_extends() != NULL) {
+ indent(f_service_) << "Thrift.inherits(" << js_namespace(tservice->get_program())
+ << service_name_ << "Processor, " << tservice->get_extends()->get_name()
+ << "Processor)" << endl;
+ }
+
+ // Generate the server implementation
+ indent(f_service_) << js_namespace(tservice->get_program()) << service_name_
+ << "Processor.prototype.process = function(input, output) ";
+
+ scope_up(f_service_);
+
+ f_service_ << indent() << "var r = input.readMessageBegin();" << endl << indent()
+ << "if (this['process_' + r.fname]) {" << endl << indent()
+ << " return this['process_' + r.fname].call(this, r.rseqid, input, output);" << endl
+ << indent() << "} else {" << endl << indent() << " input.skip(Thrift.Type.STRUCT);"
+ << endl << indent() << " input.readMessageEnd();" << endl << indent()
+ << " var x = new "
+ "Thrift.TApplicationException(Thrift.TApplicationExceptionType.UNKNOWN_METHOD, "
+ "'Unknown function ' + r.fname);" << endl << indent()
+ << " output.writeMessageBegin(r.fname, Thrift.MessageType.EXCEPTION, r.rseqid);"
+ << endl << indent() << " x.write(output);" << endl << indent()
+ << " output.writeMessageEnd();" << endl << indent() << " output.flush();" << endl
+ << indent() << "}" << endl;
+
+ scope_down(f_service_);
+ f_service_ << endl;
+
+ // Generate the process subfunctions
+ for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) {
+ generate_process_function(tservice, *f_iter);
+ }
+}
+
+/**
+ * Generates a process function definition.
+ *
+ * @param tfunction The function to write a dispatcher for
+ */
+void t_js_generator::generate_process_function(t_service* tservice, t_function* tfunction) {
+ indent(f_service_) << js_namespace(tservice->get_program()) << service_name_
+ << "Processor.prototype.process_" + tfunction->get_name()
+ + " = function(seqid, input, output) ";
+
+ scope_up(f_service_);
+
+ string argsname = js_namespace(program_) + service_name_ + "_" + tfunction->get_name() + "_args";
+ string resultname = js_namespace(program_) + service_name_ + "_" + tfunction->get_name()
+ + "_result";
+
+ f_service_ << indent() << "var args = new " << argsname << "();" << endl << indent()
+ << "args.read(input);" << endl << indent() << "input.readMessageEnd();" << endl;
+
+ // Generate the function call
+ t_struct* arg_struct = tfunction->get_arglist();
+ const std::vector<t_field*>& fields = arg_struct->get_members();
+ vector<t_field*>::const_iterator f_iter;
+
+ // Shortcut out here for oneway functions
+ if (tfunction->is_oneway()) {
+ indent(f_service_) << "this._handler." << tfunction->get_name() << "(";
+
+ bool first = true;
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ if (first) {
+ first = false;
+ } else {
+ f_service_ << ", ";
+ }
+ f_service_ << "args." << (*f_iter)->get_name();
+ }
+
+ f_service_ << ")" << endl;
+ scope_down(f_service_);
+ f_service_ << endl;
+ return;
+ }
+
+ f_service_ << indent() << "if (this._handler." << tfunction->get_name()
+ << ".length === " << fields.size() << ") {" << endl;
+ indent_up();
+ indent(f_service_) << "Q.fcall(this._handler." << tfunction->get_name();
+
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ f_service_ << ", args." << (*f_iter)->get_name();
+ }
+
+ f_service_ << ")" << endl;
+ indent_up();
+ indent(f_service_) << ".then(function(result) {" << endl;
+ indent_up();
+ f_service_ << indent() << "var result = new " << resultname << "({success: result});" << endl
+ << indent() << "output.writeMessageBegin(\"" << tfunction->get_name()
+ << "\", Thrift.MessageType.REPLY, seqid);" << endl << indent()
+ << "result.write(output);" << endl << indent() << "output.writeMessageEnd();" << endl
+ << indent() << "output.flush();" << endl;
+ indent_down();
+ indent(f_service_) << "}, function (err) {" << endl;
+ indent_up();
+
+ bool has_exception = false;
+ t_struct* exceptions = tfunction->get_xceptions();
+ if (exceptions) {
+ const vector<t_field*>& members = exceptions->get_members();
+ for (vector<t_field*>::const_iterator it = members.begin(); it != members.end(); ++it) {
+ t_type* t = get_true_type((*it)->get_type());
+ if (t->is_xception()) {
+ if (!has_exception) {
+ has_exception = true;
+ indent(f_service_) << "if (err instanceof " << js_type_namespace(t->get_program())
+ << t->get_name();
+ } else {
+ f_service_ << " || err instanceof " << js_type_namespace(t->get_program())
+ << t->get_name();
+ }
+ }
+ }
+ }
+
+ if (has_exception) {
+ f_service_ << ") {" << endl;
+ indent_up();
+ f_service_ << indent() << "var result = new " << resultname << "(err);" << endl << indent()
+ << "output.writeMessageBegin(\"" << tfunction->get_name()
+ << "\", Thrift.MessageType.REPLY, seqid);" << endl;
+
+ indent_down();
+ indent(f_service_) << "} else {" << endl;
+ indent_up();
+ }
+
+ f_service_ << indent() << "var result = new "
+ "Thrift.TApplicationException(Thrift.TApplicationExceptionType.UNKNOWN,"
+ " err.message);" << endl << indent() << "output.writeMessageBegin(\""
+ << tfunction->get_name() << "\", Thrift.MessageType.EXCEPTION, seqid);" << endl;
+
+ if (has_exception) {
+ indent_down();
+ indent(f_service_) << "}" << endl;
+ }
+
+ f_service_ << indent() << "result.write(output);" << endl << indent()
+ << "output.writeMessageEnd();" << endl << indent() << "output.flush();" << endl;
+ indent_down();
+ indent(f_service_) << "});" << endl;
+ indent_down();
+ indent_down();
+ indent(f_service_) << "} else {" << endl;
+ indent_up();
+ indent(f_service_) << "this._handler." << tfunction->get_name() << "(";
+
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ f_service_ << "args." << (*f_iter)->get_name() << ", ";
+ }
+
+ f_service_ << "function (err, result) {" << endl;
+ indent_up();
+
+ indent(f_service_) << "if (err == null";
+ if (has_exception) {
+ const vector<t_field*>& members = exceptions->get_members();
+ for (vector<t_field*>::const_iterator it = members.begin(); it != members.end(); ++it) {
+ t_type* t = get_true_type((*it)->get_type());
+ if (t->is_xception()) {
+ f_service_ << " || err instanceof " << js_type_namespace(t->get_program()) << t->get_name();
+ }
+ }
+ }
+ f_service_ << ") {" << endl;
+ indent_up();
+ f_service_ << indent() << "var result = new " << resultname
+ << "((err != null ? err : {success: result}));" << endl << indent()
+ << "output.writeMessageBegin(\"" << tfunction->get_name()
+ << "\", Thrift.MessageType.REPLY, seqid);" << endl;
+ indent_down();
+ indent(f_service_) << "} else {" << endl;
+ indent_up();
+ f_service_ << indent() << "var result = new "
+ "Thrift.TApplicationException(Thrift.TApplicationExceptionType.UNKNOWN,"
+ " err.message);" << endl << indent() << "output.writeMessageBegin(\""
+ << tfunction->get_name() << "\", Thrift.MessageType.EXCEPTION, seqid);" << endl;
+ indent_down();
+ f_service_ << indent() << "}" << endl << indent() << "result.write(output);" << endl << indent()
+ << "output.writeMessageEnd();" << endl << indent() << "output.flush();" << endl;
+
+ indent_down();
+ indent(f_service_) << "});" << endl;
+ indent_down();
+ indent(f_service_) << "}" << endl;
+ scope_down(f_service_);
+ f_service_ << endl;
+}
+
+/**
+ * Generates helper functions for a service.
+ *
+ * @param tservice The service to generate a header definition for
+ */
+void t_js_generator::generate_service_helpers(t_service* tservice) {
+ // Do not generate TS definitions for helper functions
+ bool gen_ts_tmp = gen_ts_;
+ gen_ts_ = false;
+
+ vector<t_function*> functions = tservice->get_functions();
+ vector<t_function*>::iterator f_iter;
+
+ f_service_ << "//HELPER FUNCTIONS AND STRUCTURES" << endl << endl;
+
+ for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) {
+ t_struct* ts = (*f_iter)->get_arglist();
+ string name = ts->get_name();
+ ts->set_name(service_name_ + "_" + name);
+ generate_js_struct_definition(f_service_, ts, false, false);
+ generate_js_function_helpers(*f_iter);
+ ts->set_name(name);
+ }
+
+ gen_ts_ = gen_ts_tmp;
+}
+
+/**
+ * Generates a struct and helpers for a function.
+ *
+ * @param tfunction The function
+ */
+void t_js_generator::generate_js_function_helpers(t_function* tfunction) {
+ t_struct result(program_, service_name_ + "_" + tfunction->get_name() + "_result");
+ t_field success(tfunction->get_returntype(), "success", 0);
+ if (!tfunction->get_returntype()->is_void()) {
+ result.append(&success);
+ }
+
+ t_struct* xs = tfunction->get_xceptions();
+ const vector<t_field*>& fields = xs->get_members();
+ vector<t_field*>::const_iterator f_iter;
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ result.append(*f_iter);
+ }
+
+ generate_js_struct_definition(f_service_, &result, false, false);
+}
+
+/**
+ * Generates a service interface definition.
+ *
+ * @param tservice The service to generate a header definition for
+ */
+void t_js_generator::generate_service_interface(t_service* tservice) {
+ (void)tservice;
+}
+
+/**
+ * Generates a REST interface
+ */
+void t_js_generator::generate_service_rest(t_service* tservice) {
+ (void)tservice;
+}
+
+/**
+ * Generates a service client definition.
+ *
+ * @param tservice The service to generate a server for.
+ */
+void t_js_generator::generate_service_client(t_service* tservice) {
+ if (gen_node_) {
+ f_service_ << js_namespace(tservice->get_program()) << service_name_ << "Client = "
+ << "exports.Client = function(output, pClass) {" << endl;
+ } else {
+ f_service_ << js_namespace(tservice->get_program()) << service_name_
+ << "Client = function(input, output) {" << endl;
+ if (gen_ts_) {
+ f_service_ts_ << ts_print_doc(tservice) << ts_indent() << ts_declare() << "class "
+ << service_name_ << "Client ";
+ if (tservice->get_extends() != NULL) {
+ f_service_ts_ << "extends " << tservice->get_extends()->get_name() << "Client ";
+ }
+ f_service_ts_ << "{" << endl;
+ }
+ }
+
+ indent_up();
+
+ if (gen_node_) {
+ f_service_ << indent() << " this.output = output;" << endl << indent()
+ << " this.pClass = pClass;" << endl << indent() << " this._seqid = 0;" << endl
+ << indent() << " this._reqs = {};" << endl;
+ } else {
+ f_service_ << indent() << " this.input = input;" << endl << indent()
+ << " this.output = (!output) ? input : output;" << endl << indent()
+ << " this.seqid = 0;" << endl;
+ if (gen_ts_) {
+ f_service_ts_ << ts_indent() << "input: Thrift.TJSONProtocol;" << endl << ts_indent()
+ << "output: Thrift.TJSONProtocol;" << endl << ts_indent() << "seqid: number;"
+ << endl << endl << ts_indent()
+ << "constructor(input: Thrift.TJSONProtocol, output?: Thrift.TJSONProtocol);"
+ << endl;
+ }
+ }
+
+ indent_down();
+
+ f_service_ << indent() << "};" << endl;
+
+ if (tservice->get_extends() != NULL) {
+ indent(f_service_) << "Thrift.inherits(" << js_namespace(tservice->get_program())
+ << service_name_ << "Client, "
+ << js_namespace(tservice->get_extends()->get_program())
+ << tservice->get_extends()->get_name() << "Client);" << endl;
+ } else {
+ // init prototype
+ indent(f_service_) << js_namespace(tservice->get_program()) << service_name_
+ << "Client.prototype = {};" << endl;
+ }
+
+ // utils for multiplexed services
+ if (gen_node_) {
+ indent(f_service_) << js_namespace(tservice->get_program()) << service_name_
+ << "Client.prototype.seqid = function() { return this._seqid; }" << endl
+ << js_namespace(tservice->get_program()) << service_name_
+ << "Client.prototype.new_seqid = function() { return this._seqid += 1; }"
+ << endl;
+ }
+ // Generate client method implementations
+ vector<t_function*> functions = tservice->get_functions();
+ vector<t_function*>::const_iterator f_iter;
+ for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) {
+ t_struct* arg_struct = (*f_iter)->get_arglist();
+ const vector<t_field*>& fields = arg_struct->get_members();
+ vector<t_field*>::const_iterator fld_iter;
+ string funname = (*f_iter)->get_name();
+ string arglist = argument_list(arg_struct);
+
+ // Open function
+ f_service_ << js_namespace(tservice->get_program()) << service_name_ << "Client.prototype."
+ << function_signature(*f_iter, "", true) << " {" << endl;
+
+ indent_up();
+
+ if (gen_ts_) {
+ f_service_ts_ << ts_print_doc(*f_iter) <<
+ // function definition without callback
+ ts_indent() << ts_function_signature(*f_iter, false) << endl << ts_print_doc(*f_iter) <<
+ // overload with callback
+ ts_indent() << ts_function_signature(*f_iter, true) << endl;
+ }
+
+ if (gen_node_) { // Node.js output ./gen-nodejs
+ f_service_ << indent() << "this._seqid = this.new_seqid();" << endl << indent()
+ << "if (callback === undefined) {" << endl;
+ indent_up();
+ f_service_ << indent() << "var _defer = Q.defer();" << endl << indent()
+ << "this._reqs[this.seqid()] = function(error, result) {" << endl;
+ indent_up();
+ indent(f_service_) << "if (error) {" << endl;
+ indent_up();
+ indent(f_service_) << "_defer.reject(error);" << endl;
+ indent_down();
+ indent(f_service_) << "} else {" << endl;
+ indent_up();
+ indent(f_service_) << "_defer.resolve(result);" << endl;
+ indent_down();
+ indent(f_service_) << "}" << endl;
+ indent_down();
+ indent(f_service_) << "};" << endl;
+ f_service_ << indent() << "this.send_" << funname << "(" << arglist << ");" << endl
+ << indent() << "return _defer.promise;" << endl;
+ indent_down();
+ indent(f_service_) << "} else {" << endl;
+ indent_up();
+ f_service_ << indent() << "this._reqs[this.seqid()] = callback;" << endl << indent()
+ << "this.send_" << funname << "(" << arglist << ");" << endl;
+ indent_down();
+ indent(f_service_) << "}" << endl;
+ } else if (gen_jquery_) { // jQuery output ./gen-js
+ f_service_ << indent() << "if (callback === undefined) {" << endl;
+ indent_up();
+ f_service_ << indent() << "this.send_" << funname << "(" << arglist << ");" << endl;
+ if (!(*f_iter)->is_oneway()) {
+ f_service_ << indent();
+ if (!(*f_iter)->get_returntype()->is_void()) {
+ f_service_ << "return ";
+ }
+ f_service_ << "this.recv_" << funname << "();" << endl;
+ }
+ indent_down();
+ f_service_ << indent() << "} else {" << endl;
+ indent_up();
+ f_service_ << indent() << "var postData = this.send_" << funname << "(" << arglist
+ << (arglist.empty() ? "" : ", ") << "true);" << endl;
+ f_service_ << indent() << "return this.output.getTransport()" << endl;
+ indent_up();
+ f_service_ << indent() << ".jqRequest(this, postData, arguments, this.recv_" << funname
+ << ");" << endl;
+ indent_down();
+ indent_down();
+ f_service_ << indent() << "}" << endl;
+ } else { // Standard JavaScript ./gen-js
+ f_service_ << indent() << "this.send_" << funname << "(" << arglist
+ << (arglist.empty() ? "" : ", ") << "callback); " << endl;
+ if (!(*f_iter)->is_oneway()) {
+ f_service_ << indent() << "if (!callback) {" << endl;
+ f_service_ << indent();
+ if (!(*f_iter)->get_returntype()->is_void()) {
+ f_service_ << " return ";
+ }
+ f_service_ << "this.recv_" << funname << "();" << endl;
+ f_service_ << indent() << "}" << endl;
+ }
+ }
+
+ indent_down();
+
+ f_service_ << "};" << endl << endl;
+
+ // Send function
+ f_service_ << js_namespace(tservice->get_program()) << service_name_ << "Client.prototype.send_"
+ << function_signature(*f_iter, "", !gen_node_) << " {" << endl;
+
+ indent_up();
+
+ std::string outputVar;
+ if (gen_node_) {
+ f_service_ << indent() << "var output = new this.pClass(this.output);" << endl;
+ outputVar = "output";
+ } else {
+ outputVar = "this.output";
+ }
+
+ std::string argsname = js_namespace(program_) + service_name_ + "_" + (*f_iter)->get_name()
+ + "_args";
+
+ std::string messageType = (*f_iter)->is_oneway() ? "Thrift.MessageType.ONEWAY"
+ : "Thrift.MessageType.CALL";
+
+ // Serialize the request header
+ if (gen_node_) {
+ f_service_ << indent() << outputVar << ".writeMessageBegin('" << (*f_iter)->get_name()
+ << "', " << messageType << ", this.seqid());" << endl;
+ } else {
+ f_service_ << indent() << outputVar << ".writeMessageBegin('" << (*f_iter)->get_name()
+ << "', " << messageType << ", this.seqid);" << endl;
+ }
+
+ f_service_ << indent() << "var args = new " << argsname << "();" << endl;
+
+ for (fld_iter = fields.begin(); fld_iter != fields.end(); ++fld_iter) {
+ f_service_ << indent() << "args." << (*fld_iter)->get_name() << " = "
+ << (*fld_iter)->get_name() << ";" << endl;
+ }
+
+ // Write to the stream
+ f_service_ << indent() << "args.write(" << outputVar << ");" << endl << indent() << outputVar
+ << ".writeMessageEnd();" << endl;
+
+ if (gen_node_) {
+ f_service_ << indent() << "return this.output.flush();" << endl;
+ } else {
+ if (gen_jquery_) {
+ f_service_ << indent() << "return this.output.getTransport().flush(callback);" << endl;
+ } else {
+ f_service_ << indent() << "if (callback) {" << endl;
+ f_service_ << indent() << " var self = this;" << endl;
+ f_service_ << indent() << " this.output.getTransport().flush(true, function() {" << endl;
+ f_service_ << indent() << " var result = null;" << endl;
+ f_service_ << indent() << " try {" << endl;
+ f_service_ << indent() << " result = self.recv_" << funname << "();" << endl;
+ f_service_ << indent() << " } catch (e) {" << endl;
+ f_service_ << indent() << " result = e;" << endl;
+ f_service_ << indent() << " }" << endl;
+ f_service_ << indent() << " callback(result);" << endl;
+ f_service_ << indent() << " });" << endl;
+ f_service_ << indent() << "} else {" << endl;
+ f_service_ << indent() << " return this.output.getTransport().flush();" << endl;
+ f_service_ << indent() << "}" << endl;
+ }
+ }
+
+ indent_down();
+
+ f_service_ << "};" << endl;
+
+ if (!(*f_iter)->is_oneway()) {
+ std::string resultname = js_namespace(tservice->get_program()) + service_name_ + "_"
+ + (*f_iter)->get_name() + "_result";
+
+ if (gen_node_) {
+ // Open function
+ f_service_ << endl << js_namespace(tservice->get_program()) << service_name_
+ << "Client.prototype.recv_" << (*f_iter)->get_name()
+ << " = function(input,mtype,rseqid) {" << endl;
+ } else {
+ t_struct noargs(program_);
+
+ t_function recv_function((*f_iter)->get_returntype(),
+ string("recv_") + (*f_iter)->get_name(),
+ &noargs);
+ // Open function
+ f_service_ << endl << js_namespace(tservice->get_program()) << service_name_
+ << "Client.prototype." << function_signature(&recv_function) << " {" << endl;
+ }
+
+ indent_up();
+
+ std::string inputVar;
+ if (gen_node_) {
+ inputVar = "input";
+ } else {
+ inputVar = "this.input";
+ }
+
+ if (gen_node_) {
+ f_service_ << indent() << "var callback = this._reqs[rseqid] || function() {};" << endl
+ << indent() << "delete this._reqs[rseqid];" << endl;
+ } else {
+ f_service_ << indent() << "var ret = this.input.readMessageBegin();" << endl << indent()
+ << "var fname = ret.fname;" << endl << indent() << "var mtype = ret.mtype;"
+ << endl << indent() << "var rseqid = ret.rseqid;" << endl;
+ }
+
+ f_service_ << indent() << "if (mtype == Thrift.MessageType.EXCEPTION) {" << endl << indent()
+ << " var x = new Thrift.TApplicationException();" << endl << indent()
+ << " x.read(" << inputVar << ");" << endl << indent() << " " << inputVar
+ << ".readMessageEnd();" << endl << indent() << " " << render_recv_throw("x")
+ << endl << indent() << "}" << endl;
+
+ f_service_ << indent() << "var result = new " << resultname << "();" << endl << indent()
+ << "result.read(" << inputVar << ");" << endl;
+
+ f_service_ << indent() << inputVar << ".readMessageEnd();" << endl << endl;
+
+ t_struct* xs = (*f_iter)->get_xceptions();
+ const std::vector<t_field*>& xceptions = xs->get_members();
+ vector<t_field*>::const_iterator x_iter;
+ for (x_iter = xceptions.begin(); x_iter != xceptions.end(); ++x_iter) {
+ f_service_ << indent() << "if (null !== result." << (*x_iter)->get_name() << ") {" << endl
+ << indent() << " " << render_recv_throw("result." + (*x_iter)->get_name())
+ << endl << indent() << "}" << endl;
+ }
+
+ // Careful, only return result if not a void function
+ if (!(*f_iter)->get_returntype()->is_void()) {
+ f_service_ << indent() << "if (null !== result.success) {" << endl << indent() << " "
+ << render_recv_return("result.success") << endl << indent() << "}" << endl;
+ f_service_ << indent()
+ << render_recv_throw("'" + (*f_iter)->get_name() + " failed: unknown result'")
+ << endl;
+ } else {
+ if (gen_node_) {
+ indent(f_service_) << "callback(null)" << endl;
+ } else {
+ indent(f_service_) << "return;" << endl;
+ }
+ }
+
+ // Close function
+ indent_down();
+ f_service_ << "};" << endl;
+ }
+ }
+
+ if (gen_ts_) {
+ f_service_ts_ << ts_indent() << "}" << endl;
+ }
+}
+
+std::string t_js_generator::render_recv_throw(std::string var) {
+ if (gen_node_) {
+ return "return callback(" + var + ");";
+ } else {
+ return "throw " + var + ";";
+ }
+}
+
+std::string t_js_generator::render_recv_return(std::string var) {
+ if (gen_node_) {
+ return "return callback(null, " + var + ");";
+ } else {
+ return "return " + var + ";";
+ }
+}
+
+/**
+ * Deserializes a field of any type.
+ */
+void t_js_generator::generate_deserialize_field(ofstream& out,
+ t_field* tfield,
+ string prefix,
+ bool inclass) {
+ (void)inclass;
+ t_type* type = get_true_type(tfield->get_type());
+
+ if (type->is_void()) {
+ throw "CANNOT GENERATE DESERIALIZE CODE FOR void TYPE: " + prefix + tfield->get_name();
+ }
+
+ string name = prefix + tfield->get_name();
+
+ if (type->is_struct() || type->is_xception()) {
+ generate_deserialize_struct(out, (t_struct*)type, name);
+ } else if (type->is_container()) {
+ generate_deserialize_container(out, type, name);
+ } else if (type->is_base_type() || type->is_enum()) {
+ indent(out) << name << " = input.";
+
+ if (type->is_base_type()) {
+ t_base_type::t_base tbase = ((t_base_type*)type)->get_base();
+ switch (tbase) {
+ case t_base_type::TYPE_VOID:
+ throw "compiler error: cannot serialize void field in a struct: " + name;
+ break;
+ case t_base_type::TYPE_STRING:
+ out << (((t_base_type*)type)->is_binary() ? "readBinary()" : "readString()");
+ break;
+ case t_base_type::TYPE_BOOL:
+ out << "readBool()";
+ break;
+ case t_base_type::TYPE_BYTE:
+ out << "readByte()";
+ break;
+ case t_base_type::TYPE_I16:
+ out << "readI16()";
+ break;
+ case t_base_type::TYPE_I32:
+ out << "readI32()";
+ break;
+ case t_base_type::TYPE_I64:
+ out << "readI64()";
+ break;
+ case t_base_type::TYPE_DOUBLE:
+ out << "readDouble()";
+ break;
+ default:
+ throw "compiler error: no JS name for base type " + t_base_type::t_base_name(tbase);
+ }
+ } else if (type->is_enum()) {
+ out << "readI32()";
+ }
+
+ if (!gen_node_) {
+ out << ".value";
+ }
+
+ out << ";" << endl;
+ } else {
+ printf("DO NOT KNOW HOW TO DESERIALIZE FIELD '%s' TYPE '%s'\n",
+ tfield->get_name().c_str(),
+ type->get_name().c_str());
+ }
+}
+
+/**
+ * Generates an unserializer for a variable. This makes two key assumptions,
+ * first that there is a const char* variable named data that points to the
+ * buffer for deserialization, and that there is a variable protocol which
+ * is a reference to a TProtocol serialization object.
+ */
+void t_js_generator::generate_deserialize_struct(ofstream& out, t_struct* tstruct, string prefix) {
+ out << indent() << prefix << " = new " << js_type_namespace(tstruct->get_program())
+ << tstruct->get_name() << "();" << endl << indent() << prefix << ".read(input);" << endl;
+}
+
+void t_js_generator::generate_deserialize_container(ofstream& out, t_type* ttype, string prefix) {
+ string size = tmp("_size");
+ string ktype = tmp("_ktype");
+ string vtype = tmp("_vtype");
+ string etype = tmp("_etype");
+ string rtmp3 = tmp("_rtmp3");
+
+ t_field fsize(g_type_i32, size);
+ t_field fktype(g_type_byte, ktype);
+ t_field fvtype(g_type_byte, vtype);
+ t_field fetype(g_type_byte, etype);
+
+ out << indent() << "var " << size << " = 0;" << endl;
+ out << indent() << "var " << rtmp3 << ";" << endl;
+
+ // Declare variables, read header
+ if (ttype->is_map()) {
+ out << indent() << prefix << " = {};" << endl << indent() << "var " << ktype << " = 0;" << endl
+ << indent() << "var " << vtype << " = 0;" << endl;
+
+ out << indent() << rtmp3 << " = input.readMapBegin();" << endl;
+ out << indent() << ktype << " = " << rtmp3 << ".ktype;" << endl;
+ out << indent() << vtype << " = " << rtmp3 << ".vtype;" << endl;
+ out << indent() << size << " = " << rtmp3 << ".size;" << endl;
+
+ } else if (ttype->is_set()) {
+
+ out << indent() << prefix << " = [];" << endl << indent() << "var " << etype << " = 0;" << endl
+ << indent() << rtmp3 << " = input.readSetBegin();" << endl << indent() << etype << " = "
+ << rtmp3 << ".etype;" << endl << indent() << size << " = " << rtmp3 << ".size;" << endl;
+
+ } else if (ttype->is_list()) {
+
+ out << indent() << prefix << " = [];" << endl << indent() << "var " << etype << " = 0;" << endl
+ << indent() << rtmp3 << " = input.readListBegin();" << endl << indent() << etype << " = "
+ << rtmp3 << ".etype;" << endl << indent() << size << " = " << rtmp3 << ".size;" << endl;
+ }
+
+ // For loop iterates over elements
+ string i = tmp("_i");
+ indent(out) << "for (var " << i << " = 0; " << i << " < " << size << "; ++" << i << ")" << endl;
+
+ scope_up(out);
+
+ if (ttype->is_map()) {
+ if (!gen_node_) {
+ out << indent() << "if (" << i << " > 0 ) {" << endl << indent()
+ << " if (input.rstack.length > input.rpos[input.rpos.length -1] + 1) {" << endl
+ << indent() << " input.rstack.pop();" << endl << indent() << " }" << endl << indent()
+ << "}" << endl;
+ }
+
+ generate_deserialize_map_element(out, (t_map*)ttype, prefix);
+ } else if (ttype->is_set()) {
+ generate_deserialize_set_element(out, (t_set*)ttype, prefix);
+ } else if (ttype->is_list()) {
+ generate_deserialize_list_element(out, (t_list*)ttype, prefix);
+ }
+
+ scope_down(out);
+
+ // Read container end
+ if (ttype->is_map()) {
+ indent(out) << "input.readMapEnd();" << endl;
+ } else if (ttype->is_set()) {
+ indent(out) << "input.readSetEnd();" << endl;
+ } else if (ttype->is_list()) {
+ indent(out) << "input.readListEnd();" << endl;
+ }
+}
+
+/**
+ * Generates code to deserialize a map
+ */
+void t_js_generator::generate_deserialize_map_element(ofstream& out, t_map* tmap, string prefix) {
+ string key = tmp("key");
+ string val = tmp("val");
+ t_field fkey(tmap->get_key_type(), key);
+ t_field fval(tmap->get_val_type(), val);
+
+ indent(out) << declare_field(&fkey, false, false) << ";" << endl;
+ indent(out) << declare_field(&fval, false, false) << ";" << endl;
+
+ generate_deserialize_field(out, &fkey);
+ generate_deserialize_field(out, &fval);
+
+ indent(out) << prefix << "[" << key << "] = " << val << ";" << endl;
+}
+
+void t_js_generator::generate_deserialize_set_element(ofstream& out, t_set* tset, string prefix) {
+ string elem = tmp("elem");
+ t_field felem(tset->get_elem_type(), elem);
+
+ indent(out) << "var " << elem << " = null;" << endl;
+
+ generate_deserialize_field(out, &felem);
+
+ indent(out) << prefix << ".push(" << elem << ");" << endl;
+}
+
+void t_js_generator::generate_deserialize_list_element(ofstream& out,
+ t_list* tlist,
+ string prefix) {
+ string elem = tmp("elem");
+ t_field felem(tlist->get_elem_type(), elem);
+
+ indent(out) << "var " << elem << " = null;" << endl;
+
+ generate_deserialize_field(out, &felem);
+
+ indent(out) << prefix << ".push(" << elem << ");" << endl;
+}
+
+/**
+ * Serializes a field of any type.
+ *
+ * @param tfield The field to serialize
+ * @param prefix Name to prepend to field name
+ */
+void t_js_generator::generate_serialize_field(ofstream& out, t_field* tfield, string prefix) {
+ t_type* type = get_true_type(tfield->get_type());
+
+ // Do nothing for void types
+ if (type->is_void()) {
+ throw "CANNOT GENERATE SERIALIZE CODE FOR void TYPE: " + prefix + tfield->get_name();
+ }
+
+ if (type->is_struct() || type->is_xception()) {
+ generate_serialize_struct(out, (t_struct*)type, prefix + tfield->get_name());
+ } else if (type->is_container()) {
+ generate_serialize_container(out, type, prefix + tfield->get_name());
+ } else if (type->is_base_type() || type->is_enum()) {
+
+ string name = tfield->get_name();
+
+ // Hack for when prefix is defined (always a hash ref)
+ if (!prefix.empty())
+ name = prefix + tfield->get_name();
+
+ indent(out) << "output.";
+
+ if (type->is_base_type()) {
+ t_base_type::t_base tbase = ((t_base_type*)type)->get_base();
+ switch (tbase) {
+ case t_base_type::TYPE_VOID:
+ throw "compiler error: cannot serialize void field in a struct: " + name;
+ break;
+ case t_base_type::TYPE_STRING:
+ out << (((t_base_type*)type)->is_binary() ? "writeBinary(" : "writeString(") << name << ")";
+ break;
+ case t_base_type::TYPE_BOOL:
+ out << "writeBool(" << name << ")";
+ break;
+ case t_base_type::TYPE_BYTE:
+ out << "writeByte(" << name << ")";
+ break;
+ case t_base_type::TYPE_I16:
+ out << "writeI16(" << name << ")";
+ break;
+ case t_base_type::TYPE_I32:
+ out << "writeI32(" << name << ")";
+ break;
+ case t_base_type::TYPE_I64:
+ out << "writeI64(" << name << ")";
+ break;
+ case t_base_type::TYPE_DOUBLE:
+ out << "writeDouble(" << name << ")";
+ break;
+ default:
+ throw "compiler error: no JS name for base type " + t_base_type::t_base_name(tbase);
+ }
+ } else if (type->is_enum()) {
+ out << "writeI32(" << name << ")";
+ }
+ out << ";" << endl;
+
+ } else {
+ printf("DO NOT KNOW HOW TO SERIALIZE FIELD '%s%s' TYPE '%s'\n",
+ prefix.c_str(),
+ tfield->get_name().c_str(),
+ type->get_name().c_str());
+ }
+}
+
+/**
+ * Serializes all the members of a struct.
+ *
+ * @param tstruct The struct to serialize
+ * @param prefix String prefix to attach to all fields
+ */
+void t_js_generator::generate_serialize_struct(ofstream& out, t_struct* tstruct, string prefix) {
+ (void)tstruct;
+ indent(out) << prefix << ".write(output);" << endl;
+}
+
+/**
+ * Writes out a container
+ */
+void t_js_generator::generate_serialize_container(ofstream& out, t_type* ttype, string prefix) {
+ if (ttype->is_map()) {
+ indent(out) << "output.writeMapBegin(" << type_to_enum(((t_map*)ttype)->get_key_type()) << ", "
+ << type_to_enum(((t_map*)ttype)->get_val_type()) << ", "
+ << "Thrift.objectLength(" << prefix << "));" << endl;
+ } else if (ttype->is_set()) {
+ indent(out) << "output.writeSetBegin(" << type_to_enum(((t_set*)ttype)->get_elem_type()) << ", "
+ << prefix << ".length);" << endl;
+
+ } else if (ttype->is_list()) {
+
+ indent(out) << "output.writeListBegin(" << type_to_enum(((t_list*)ttype)->get_elem_type())
+ << ", " << prefix << ".length);" << endl;
+ }
+
+ if (ttype->is_map()) {
+ string kiter = tmp("kiter");
+ string viter = tmp("viter");
+ indent(out) << "for (var " << kiter << " in " << prefix << ")" << endl;
+ scope_up(out);
+ indent(out) << "if (" << prefix << ".hasOwnProperty(" << kiter << "))" << endl;
+ scope_up(out);
+ indent(out) << "var " << viter << " = " << prefix << "[" << kiter << "];" << endl;
+ generate_serialize_map_element(out, (t_map*)ttype, kiter, viter);
+ scope_down(out);
+ scope_down(out);
+
+ } else if (ttype->is_set()) {
+ string iter = tmp("iter");
+ indent(out) << "for (var " << iter << " in " << prefix << ")" << endl;
+ scope_up(out);
+ indent(out) << "if (" << prefix << ".hasOwnProperty(" << iter << "))" << endl;
+ scope_up(out);
+ indent(out) << iter << " = " << prefix << "[" << iter << "];" << endl;
+ generate_serialize_set_element(out, (t_set*)ttype, iter);
+ scope_down(out);
+ scope_down(out);
+
+ } else if (ttype->is_list()) {
+ string iter = tmp("iter");
+ indent(out) << "for (var " << iter << " in " << prefix << ")" << endl;
+ scope_up(out);
+ indent(out) << "if (" << prefix << ".hasOwnProperty(" << iter << "))" << endl;
+ scope_up(out);
+ indent(out) << iter << " = " << prefix << "[" << iter << "];" << endl;
+ generate_serialize_list_element(out, (t_list*)ttype, iter);
+ scope_down(out);
+ scope_down(out);
+ }
+
+ if (ttype->is_map()) {
+ indent(out) << "output.writeMapEnd();" << endl;
+ } else if (ttype->is_set()) {
+ indent(out) << "output.writeSetEnd();" << endl;
+ } else if (ttype->is_list()) {
+ indent(out) << "output.writeListEnd();" << endl;
+ }
+}
+
+/**
+ * Serializes the members of a map.
+ *
+ */
+void t_js_generator::generate_serialize_map_element(ofstream& out,
+ t_map* tmap,
+ string kiter,
+ string viter) {
+ t_field kfield(tmap->get_key_type(), kiter);
+ generate_serialize_field(out, &kfield);
+
+ t_field vfield(tmap->get_val_type(), viter);
+ generate_serialize_field(out, &vfield);
+}
+
+/**
+ * Serializes the members of a set.
+ */
+void t_js_generator::generate_serialize_set_element(ofstream& out, t_set* tset, string iter) {
+ t_field efield(tset->get_elem_type(), iter);
+ generate_serialize_field(out, &efield);
+}
+
+/**
+ * Serializes the members of a list.
+ */
+void t_js_generator::generate_serialize_list_element(ofstream& out, t_list* tlist, string iter) {
+ t_field efield(tlist->get_elem_type(), iter);
+ generate_serialize_field(out, &efield);
+}
+
+/**
+ * Declares a field, which may include initialization as necessary.
+ *
+ * @param ttype The type
+ */
+string t_js_generator::declare_field(t_field* tfield, bool init, bool obj) {
+ string result = "this." + tfield->get_name();
+
+ if (!obj) {
+ result = "var " + tfield->get_name();
+ }
+
+ if (init) {
+ t_type* type = get_true_type(tfield->get_type());
+ if (type->is_base_type()) {
+ t_base_type::t_base tbase = ((t_base_type*)type)->get_base();
+ switch (tbase) {
+ case t_base_type::TYPE_VOID:
+ break;
+ case t_base_type::TYPE_STRING:
+ case t_base_type::TYPE_BOOL:
+ case t_base_type::TYPE_BYTE:
+ case t_base_type::TYPE_I16:
+ case t_base_type::TYPE_I32:
+ case t_base_type::TYPE_I64:
+ case t_base_type::TYPE_DOUBLE:
+ result += " = null";
+ break;
+ default:
+ throw "compiler error: no JS initializer for base type " + t_base_type::t_base_name(tbase);
+ }
+ } else if (type->is_enum()) {
+ result += " = null";
+ } else if (type->is_map()) {
+ result += " = null";
+ } else if (type->is_container()) {
+ result += " = null";
+ } else if (type->is_struct() || type->is_xception()) {
+ if (obj) {
+ result += " = new " + js_type_namespace(type->get_program()) + type->get_name() + "()";
+ } else {
+ result += " = null";
+ }
+ }
+ } else {
+ result += " = null";
+ }
+ return result;
+}
+
+/**
+ * Renders a function signature of the form 'type name(args)'
+ *
+ * @param tfunction Function definition
+ * @return String of rendered function definition
+ */
+string t_js_generator::function_signature(t_function* tfunction,
+ string prefix,
+ bool include_callback) {
+
+ string str;
+
+ str = prefix + tfunction->get_name() + " = function(";
+
+ str += argument_list(tfunction->get_arglist(), include_callback);
+
+ str += ")";
+ return str;
+}
+
+/**
+ * Renders a field list
+ */
+string t_js_generator::argument_list(t_struct* tstruct, bool include_callback) {
+ string result = "";
+
+ const vector<t_field*>& fields = tstruct->get_members();
+ vector<t_field*>::const_iterator f_iter;
+ bool first = true;
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ if (first) {
+ first = false;
+ } else {
+ result += ", ";
+ }
+ result += (*f_iter)->get_name();
+ }
+
+ if (include_callback) {
+ if (!fields.empty()) {
+ result += ", ";
+ }
+ result += "callback";
+ }
+
+ return result;
+}
+
+/**
+ * Converts the parse type to a C++ enum string for the given type.
+ */
+string t_js_generator::type_to_enum(t_type* type) {
+ type = get_true_type(type);
+
+ if (type->is_base_type()) {
+ t_base_type::t_base tbase = ((t_base_type*)type)->get_base();
+ switch (tbase) {
+ case t_base_type::TYPE_VOID:
+ throw "NO T_VOID CONSTRUCT";
+ case t_base_type::TYPE_STRING:
+ return "Thrift.Type.STRING";
+ case t_base_type::TYPE_BOOL:
+ return "Thrift.Type.BOOL";
+ case t_base_type::TYPE_BYTE:
+ return "Thrift.Type.BYTE";
+ case t_base_type::TYPE_I16:
+ return "Thrift.Type.I16";
+ case t_base_type::TYPE_I32:
+ return "Thrift.Type.I32";
+ case t_base_type::TYPE_I64:
+ return "Thrift.Type.I64";
+ case t_base_type::TYPE_DOUBLE:
+ return "Thrift.Type.DOUBLE";
+ }
+ } else if (type->is_enum()) {
+ return "Thrift.Type.I32";
+ } else if (type->is_struct() || type->is_xception()) {
+ return "Thrift.Type.STRUCT";
+ } else if (type->is_map()) {
+ return "Thrift.Type.MAP";
+ } else if (type->is_set()) {
+ return "Thrift.Type.SET";
+ } else if (type->is_list()) {
+ return "Thrift.Type.LIST";
+ }
+
+ throw "INVALID TYPE IN type_to_enum: " + type->get_name();
+}
+
+/**
+ * Converts a t_type to a TypeScript type (string).
+ * @param t_type Type to convert to TypeScript
+ * @return String TypeScript type
+ */
+string t_js_generator::ts_get_type(t_type* type) {
+ std::string ts_type;
+
+ type = get_true_type(type);
+
+ if (type->is_base_type()) {
+ t_base_type::t_base tbase = ((t_base_type*)type)->get_base();
+ switch (tbase) {
+ case t_base_type::TYPE_STRING:
+ ts_type = "string";
+ break;
+ case t_base_type::TYPE_BOOL:
+ ts_type = "boolean";
+ break;
+ case t_base_type::TYPE_BYTE:
+ ts_type = "any";
+ break;
+ case t_base_type::TYPE_I16:
+ case t_base_type::TYPE_I32:
+ case t_base_type::TYPE_I64:
+ case t_base_type::TYPE_DOUBLE:
+ ts_type = "number";
+ break;
+ case t_base_type::TYPE_VOID:
+ ts_type = "void";
+ }
+ } else if (type->is_enum() || type->is_struct() || type->is_xception()) {
+ std::string type_name;
+ if (type->get_program()) {
+ type_name = js_namespace(type->get_program());
+ }
+ type_name.append(type->get_name());
+ ts_type = type_name;
+ } else if (type->is_list() || type->is_set()) {
+ t_type* etype;
+
+ if (type->is_list()) {
+ etype = ((t_list*)type)->get_elem_type();
+ } else {
+ etype = ((t_set*)type)->get_elem_type();
+ }
+
+ ts_type = ts_get_type(etype) + "[]";
+ } else if (type->is_map()) {
+ string ktype = ts_get_type(((t_map*)type)->get_key_type());
+ string vtype = ts_get_type(((t_map*)type)->get_val_type());
+
+
+ if (ktype == "number" || ktype == "string" ) {
+ ts_type = "{ [k: " + ktype + "]: " + vtype + "; }";
+ } else if ((((t_map*)type)->get_key_type())->is_enum()) {
+ // Not yet supported (enum map): https://github.com/Microsoft/TypeScript/pull/2652
+ //ts_type = "{ [k: " + ktype + "]: " + vtype + "; }";
+ ts_type = "{ [k: number /*" + ktype + "*/]: " + vtype + "; }";
+ } else {
+ ts_type = "any";
+ }
+ }
+
+ return ts_type;
+}
+
+/**
+ * Renders a TypeScript function signature of the form 'name(args: types): type;'
+ *
+ * @param t_function Function definition
+ * @param bool in-/exclude the callback argument
+ * @return String of rendered function definition
+ */
+std::string t_js_generator::ts_function_signature(t_function* tfunction, bool include_callback) {
+ string str;
+ const vector<t_field*>& fields = tfunction->get_arglist()->get_members();
+ vector<t_field*>::const_iterator f_iter;
+
+ str = tfunction->get_name() + "(";
+
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ str += (*f_iter)->get_name() + ts_get_req(*f_iter) + ": " + ts_get_type((*f_iter)->get_type());
+
+ if (f_iter + 1 != fields.end() || (include_callback && fields.size() > 0)) {
+ str += ", ";
+ }
+ }
+
+ if (include_callback) {
+ str += "callback: Function): ";
+
+ if (gen_jquery_) {
+ str += "JQueryXHR;";
+ } else {
+ str += "void;";
+ }
+ } else {
+ str += "): " + ts_get_type(tfunction->get_returntype()) + ";";
+ }
+
+ return str;
+}
+
+THRIFT_REGISTER_GENERATOR(js,
+ "Javascript",
+ " jquery: Generate jQuery compatible code.\n"
+ " node: Generate node.js compatible code.\n"
+ " ts: Generate TypeScript definition files.\n")