+++ /dev/null
-/*
- * 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 <iomanip>
-#include <iostream>
-#include <limits>
-#include <vector>
-#include <list>
-#include <cassert>
-#include <unordered_map>
-
-#include <stdlib.h>
-#include <sys/stat.h>
-#include <sstream>
-#include "thrift/platform.h"
-#include "thrift/version.h"
-
-using std::map;
-using std::ostream;
-using std::ostringstream;
-using std::string;
-using std::stringstream;
-using std::unordered_map;
-using std::vector;
-
-static const string endl = "\n"; // avoid ostream << std::endl flushes
-static const string episode_file_name = "thrift.js.episode";
-// largest consecutive integer representable by a double (2 ^ 53 - 1)
-static const int64_t max_safe_integer = 0x1fffffffffffff;
-// smallest consecutive number representable by a double (-2 ^ 53 + 1)
-static const int64_t min_safe_integer = -max_safe_integer;
-
-#include "thrift/generate/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;
-
- gen_node_ = false;
- gen_jquery_ = false;
- gen_ts_ = false;
- gen_es6_ = false;
- gen_episode_file_ = false;
-
- bool with_ns_ = false;
-
- for (iter = parsed_options.begin(); iter != parsed_options.end(); ++iter) {
- if( iter->first.compare("node") == 0) {
- gen_node_ = true;
- } else if( iter->first.compare("jquery") == 0) {
- gen_jquery_ = true;
- } else if( iter->first.compare("ts") == 0) {
- gen_ts_ = true;
- } else if( iter->first.compare("with_ns") == 0) {
- with_ns_ = true;
- } else if( iter->first.compare("es6") == 0) {
- gen_es6_ = true;
- } else if( iter->first.compare("imports") == 0) {
- parse_imports(program, iter->second);
- } else if (iter->first.compare("thrift_package_output_directory") == 0) {
- parse_thrift_package_output_directory(iter->second);
- } else {
- throw std::invalid_argument("unknown option js:" + iter->first);
- }
- }
-
- if (gen_es6_ && gen_jquery_) {
- throw std::invalid_argument("invalid switch: [-gen js:es6,jquery] options not compatible");
- }
-
- if (gen_node_ && gen_jquery_) {
- throw std::invalid_argument("invalid switch: [-gen js:node,jquery] options not compatible, try: [-gen js:node -gen "
- "js:jquery]");
- }
-
- if (!gen_node_ && with_ns_) {
- throw std::invalid_argument("invalid switch: [-gen js:with_ns] is only valid when using node.js");
- }
-
- // Depending on the processing flags, we will update these to be ES6 compatible
- js_const_type_ = "var ";
- js_let_type_ = "var ";
- js_var_type_ = "var ";
- if (gen_es6_) {
- js_const_type_ = "const ";
- js_let_type_ = "let ";
- }
-
- if (gen_node_) {
- out_dir_base_ = "gen-nodejs";
- no_ns_ = !with_ns_;
- } else {
- out_dir_base_ = "gen-js";
- no_ns_ = false;
- }
-
- escape_['\''] = "\\'";
- }
-
- /**
- * Init and close methods
- */
-
- void init_generator() override;
- void close_generator() override;
-
- /**
- * Program-level generation functions
- */
-
- void generate_typedef(t_typedef* ttypedef) override;
- void generate_enum(t_enum* tenum) override;
- void generate_const(t_const* tconst) override;
- void generate_struct(t_struct* tstruct) override;
- void generate_xception(t_struct* txception) override;
- void generate_service(t_service* tservice) override;
-
- 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::ostream& out,
- t_struct* tstruct,
- bool is_xception = false,
- bool is_exported = true);
- void generate_js_struct_reader(std::ostream& out, t_struct* tstruct);
- void generate_js_struct_writer(std::ostream& 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::ostream& out,
- t_field* tfield,
- std::string prefix = "",
- bool inclass = false);
-
- void generate_deserialize_struct(std::ostream& out, t_struct* tstruct, std::string prefix = "");
-
- void generate_deserialize_container(std::ostream& out, t_type* ttype, std::string prefix = "");
-
- void generate_deserialize_set_element(std::ostream& out, t_set* tset, std::string prefix = "");
-
- void generate_deserialize_map_element(std::ostream& out, t_map* tmap, std::string prefix = "");
-
- void generate_deserialize_list_element(std::ostream& out,
- t_list* tlist,
- std::string prefix = "");
-
- void generate_serialize_field(std::ostream& out, t_field* tfield, std::string prefix = "");
-
- void generate_serialize_struct(std::ostream& out, t_struct* tstruct, std::string prefix = "");
-
- void generate_serialize_container(std::ostream& out, t_type* ttype, std::string prefix = "");
-
- void generate_serialize_map_element(std::ostream& out,
- t_map* tmap,
- std::string kiter,
- std::string viter);
-
- void generate_serialize_set_element(std::ostream& out, t_set* tmap, std::string iter);
-
- void generate_serialize_list_element(std::ostream& out, t_list* tlist, std::string iter);
-
- /**
- * Helper rendering functions
- */
-
- std::string js_includes();
- std::string ts_includes();
- std::string ts_service_includes();
- std::string render_includes();
- std::string render_ts_includes();
- std::string get_import_path(t_program* program);
- 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 make_valid_nodeJs_identifier(std::string const& name);
-
- /**
- * Helper parser functions
- */
-
- void parse_imports(t_program* program, const std::string& imports_string);
- void parse_thrift_package_output_directory(const std::string& thrift_package_output_directory);
-
- std::string autogen_comment() override {
- 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 (no_ns_) {
- return 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 make_valid_nodeJs_identifier(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);
- }
-
- bool has_js_namespace(t_program* p) {
- if (no_ns_) {
- return false;
- }
- std::string ns = p->get_namespace("js");
- return (ns.size() > 0);
- }
-
- std::string js_namespace(t_program* p) {
- if (no_ns_) {
- return "";
- }
- 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() ? (gen_node_ ? "declare " : "export declare ") : ""); }
-
- /**
- * Returns "?" if the given field is optional or has a default value.
- * @param t_field The field to check
- * @return string
- */
- string ts_get_req(t_field* field) {return (field->get_req() == t_field::T_OPTIONAL || field->get_value() != NULL ? "?" : ""); }
-
- /**
- * 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_;
-
- /**
- * True if we should generate ES6 code, i.e. with Promises
- */
- bool gen_es6_;
-
- /**
- * True if we will generate an episode file.
- */
- bool gen_episode_file_;
-
- /**
- * The name of the defined module(s), for TypeScript Definition Files.
- */
- string ts_module_;
-
- /**
- * True if we should not generate namespace objects for node.
- */
- bool no_ns_;
-
- /**
- * The node modules to use when importing the previously generated files.
- */
- vector<string> imports;
-
- /**
- * Cache for imported modules.
- */
- unordered_map<string, string> module_name_2_import_path;
-
- /**
- * Cache for TypeScript includes to generated import name.
- */
- unordered_map<t_program*, string> include_2_import_name;
-
- /**
- * The prefix to use when generating the episode file.
- */
- string thrift_package_output_directory_;
-
- /**
- * The variable decorator for "const" variables. Will default to "var" if in an incompatible language.
- */
- string js_const_type_;
-
- /**
- * The variable decorator for "let" variables. Will default to "var" if in an incompatible language.
- */
- string js_let_type_;
-
- /**
- * The default variable decorator. Supports all javascript languages, but is not scoped to functions or closures.
- */
- string js_var_type_;
-
- /**
- * File streams
- */
- ofstream_with_content_based_conditional_update f_episode_;
- ofstream_with_content_based_conditional_update f_types_;
- ofstream_with_content_based_conditional_update f_service_;
- ofstream_with_content_based_conditional_update f_types_ts_;
- ofstream_with_content_based_conditional_update 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());
-
- const auto outdir = get_out_dir();
-
- // Make output file(s)
- if (gen_episode_file_) {
- const auto f_episode_file_path = outdir + episode_file_name;
- f_episode_.open(f_episode_file_path);
- }
-
- const auto f_types_name = outdir + program_->get_name() + "_types.js";
- f_types_.open(f_types_name.c_str());
- if (gen_episode_file_) {
- const auto types_module = program_->get_name() + "_types";
- f_episode_ << types_module << ":" << thrift_package_output_directory_ << "/" << types_module << endl;
- }
-
- if (gen_ts_) {
- const auto 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();
-
- if ((gen_node_ || gen_es6_) && no_ns_) {
- f_types_ << "\"use strict\";" << endl << endl;
- }
-
- f_types_ << js_includes() << endl << render_includes() << endl;
-
- if (gen_ts_) {
- f_types_ts_ << autogen_comment() << ts_includes() << endl << render_ts_includes() << endl;
- }
-
- if (gen_node_) {
- f_types_ << js_const_type_ << "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;
- f_types_ << "" << "if (typeof module !== 'undefined' && module.exports) {" << endl;
- f_types_ << " module.exports." << pns << " = " << pns << ";" << endl << "}" << 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_) {
- string result = js_const_type_ + "thrift = require('thrift');\n"
- + js_const_type_ + "Thrift = thrift.Thrift;\n";
- if (!gen_es6_) {
- result += js_const_type_ + "Q = thrift.Q;\n";
- }
- result += js_const_type_ + "Int64 = require('node-int64');\n";
- return result;
- }
- string result = "if (typeof Int64 === 'undefined' && typeof require === 'function') {\n " + js_const_type_ + "Int64 = require('node-int64');\n}\n";
- return result;
-}
-
-/**
- * Prints standard ts imports
- */
-string t_js_generator::ts_includes() {
- if (gen_node_) {
- return string(
- "import thrift = require('thrift');\n"
- "import Thrift = thrift.Thrift;\n"
- "import Q = thrift.Q;\n"
- "import Int64 = require('node-int64');");
- }
- return string("import Int64 = require('node-int64');");
-}
-
-/**
- * Prints service ts imports
- */
-string t_js_generator::ts_service_includes() {
- if (gen_node_) {
- return string(
- "import thrift = require('thrift');\n"
- "import Thrift = thrift.Thrift;\n"
- "import Q = thrift.Q;\n"
- "import Int64 = require('node-int64');");
- }
- return string("import Int64 = require('node-int64');");
-}
-
-/**
- * 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 (auto include : includes) {
- result += js_const_type_ + make_valid_nodeJs_identifier(include->get_name()) + "_ttypes = require('" + get_import_path(include) + "');\n";
- }
- if (includes.size() > 0) {
- result += "\n";
- }
- }
-
- return result;
-}
-
-/**
- * Renders all the imports necessary for including another Thrift program
- */
-string t_js_generator::render_ts_includes() {
- string result;
-
- if (!gen_node_) {
- return result;
- }
- const vector<t_program*>& includes = program_->get_includes();
- for (auto include : includes) {
- string include_name = make_valid_nodeJs_identifier(include->get_name()) + "_ttypes";
- include_2_import_name.insert({include, include_name});
- result += "import " + include_name + " = require('" + get_import_path(include) + "');\n";
- }
- if (includes.size() > 0) {
- result += "\n";
- }
-
- return result;
-}
-
-string t_js_generator::get_import_path(t_program* program) {
- const string import_file_name(program->get_name() + "_types");
- if (program->get_recursive()) {
- return "./" + import_file_name;
- }
-
- const string import_file_name_with_extension = import_file_name + ".js";
-
- auto module_name_and_import_path_iterator = module_name_2_import_path.find(import_file_name);
- if (module_name_and_import_path_iterator != module_name_2_import_path.end()) {
- return module_name_and_import_path_iterator->second;
- }
- return "./" + import_file_name;
-}
-
-/**
- * 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();
- }
- if (gen_episode_file_){
- f_episode_.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*> const& constants = tenum->get_constants();
- vector<t_enum_value*>::const_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() << js_const_type_ << 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_I8:
- case t_base_type::TYPE_I16:
- case t_base_type::TYPE_I32:
- out << value->get_integer();
- break;
- case t_base_type::TYPE_I64:
- {
- int64_t const& integer_value = value->get_integer();
- if (integer_value <= max_safe_integer && integer_value >= min_safe_integer) {
- out << "new Int64(" << integer_value << ")";
- } else {
- out << "new Int64('" << std::hex << integer_value << std::dec << "')";
- }
- }
- break;
- case t_base_type::TYPE_DOUBLE:
- if (value->get_type() == t_const_value::CV_INTEGER) {
- out << value->get_integer();
- } else {
- out << emit_double_as_string(value->get_double());
- }
- break;
- default:
- throw std::runtime_error("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() << "({";
- 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*, t_const_value::value_compare>& val = value->get_map();
- map<t_const_value*, t_const_value*, t_const_value::value_compare>::const_iterator v_iter;
- for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) {
- 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 std::runtime_error("type error: " + type->get_name() + " has no field " + v_iter->first->get_string());
- }
- if (v_iter != val.begin())
- out << ",";
- out << endl << indent() << render_const_value(g_type_string, v_iter->first);
- out << " : ";
- out << render_const_value(field_type, v_iter->second);
- }
- indent_down();
- out << endl << indent() << "})";
- } 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*, t_const_value::value_compare>& val = value->get_map();
- map<t_const_value*, t_const_value*, t_const_value::value_compare>::const_iterator v_iter;
- for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) {
- if (v_iter != val.begin())
- out << "," << endl;
-
- if (ktype->is_base_type() && ((t_base_type*)get_true_type(ktype))->get_base() == t_base_type::TYPE_I64){
- out << indent() << "\"" << v_iter->first->get_integer() << "\"";
- } else {
- out << indent() << render_const_value(ktype, v_iter->first);
- }
-
- out << " : ";
- out << render_const_value(vtype, v_iter->second);
- }
- indent_down();
- out << endl << indent() << "}";
- } 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(ostream& 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_) {
- string prefix = has_js_namespace(tstruct->get_program()) ? js_namespace(tstruct->get_program()) : js_const_type_;
- out << prefix << tstruct->get_name() <<
- (is_exported ? " = module.exports." + tstruct->get_name() : "");
- if (gen_ts_) {
- f_types_ts_ << ts_print_doc(tstruct) << ts_indent() << ts_declare() << "class "
- << tstruct->get_name() << (is_exception ? " extends Thrift.TException" : "")
- << " {" << endl;
- }
- } else {
- out << js_namespace(tstruct->get_program()) << tstruct->get_name();
- if (gen_ts_) {
- f_types_ts_ << ts_print_doc(tstruct) << ts_indent() << ts_declare() << "class "
- << tstruct->get_name() << (is_exception ? " extends Thrift.TException" : "")
- << " {" << endl;
- }
- }
-
- if (gen_es6_) {
- if (gen_node_ && is_exception) {
- out << " = class extends Thrift.TException {" << endl;
- } else {
- out << " = class {" << endl;
- }
- indent_up();
- indent(out) << "constructor(args) {" << endl;
- } else {
- out << " = function(args) {" << endl;
- }
-
- indent_up();
-
- // Call super() method on inherited Error class
- if (gen_node_ && is_exception) {
- if (gen_es6_) {
- indent(out) << "super(args);" << endl;
- } else {
- indent(out) << "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_) {
- if (gen_node_) {
- f_types_ts_ << ts_indent() << "public " << (*m_iter)->get_name() << ": "
- << ts_get_type((*m_iter)->get_type()) << ";" << endl;
- } else {
- 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;
- }
- }
-
- indent(out) << "if (args) {" << endl;
- indent_up();
- 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());
- indent(out) << "if (args." << (*m_iter)->get_name() << " !== undefined && args." << (*m_iter)->get_name() << " !== null) {" << endl;
- indent_up();
- indent(out) << "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;
- }
-
- indent_down();
- if (!(*m_iter)->get_req()) {
- indent(out) << "} else {" << endl;
- indent(out)
- << " throw new Thrift.TProtocolException(Thrift.TProtocolExceptionType.UNKNOWN, "
- "'Required field " << (*m_iter)->get_name() << " is unset!');" << endl;
- }
- indent(out) << "}" << endl;
- if (gen_ts_) {
- f_types_ts_ << (*m_iter)->get_name() << ts_get_req(*m_iter) << ": "
- << ts_get_type((*m_iter)->get_type()) << "; ";
- }
- }
- indent_down();
- out << indent() << "}" << endl;
- if (gen_ts_) {
- f_types_ts_ << "});" << endl;
- }
- }
-
- // Done with constructor
- indent_down();
- if (gen_es6_) {
- indent(out) << "}" << endl << endl;
- } else {
- indent(out) << "};" << endl;
- }
-
- if (gen_ts_) {
- f_types_ts_ << ts_indent() << "}" << endl;
- }
-
- if (!gen_es6_) {
- 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 manually if we aren't using es6
- out << js_namespace(tstruct->get_program()) << tstruct->get_name() << ".prototype = {};"
- << endl;
- }
-
- }
-
- generate_js_struct_reader(out, tstruct);
- generate_js_struct_writer(out, tstruct);
-
- // Close out the class definition
- if (gen_es6_) {
- indent_down();
- indent(out) << "};" << endl;
- }
-}
-
-/**
- * Generates the read() method for a struct
- */
-void t_js_generator::generate_js_struct_reader(ostream& out, t_struct* tstruct) {
- const vector<t_field*>& fields = tstruct->get_members();
- vector<t_field*>::const_iterator f_iter;
-
- if (gen_es6_) {
- indent(out) << "read (input) {" << endl;
- } else {
- indent(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;
-
- indent_up();
-
- indent(out) << js_const_type_ << "ret = input.readFieldBegin();" << endl;
- indent(out) << js_const_type_ << "ftype = ret.ftype;" << endl;
- if (!fields.empty()) {
- indent(out) << js_const_type_ << "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;
-
- indent_up();
-
- // 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();
-
- if (gen_es6_) {
- indent(out) << "}" << endl << endl;
- } else {
- indent(out) << "};" << endl << endl;
- }
-}
-
-/**
- * Generates the write() method for a struct
- */
-void t_js_generator::generate_js_struct_writer(ostream& out, t_struct* tstruct) {
- string name = tstruct->get_name();
- const vector<t_field*>& fields = tstruct->get_members();
- vector<t_field*>::const_iterator f_iter;
-
- if (gen_es6_) {
- indent(out) << "write (output) {" << endl;
- } else {
- indent(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();
- if (gen_es6_) {
- out << indent() << "}" << endl << endl;
- } else {
- 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_episode_file_) {
- f_episode_ << service_name_ << ":" << thrift_package_output_directory_ << "/" << service_name_ << endl;
- }
-
- 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();
-
- if ((gen_node_ || gen_es6_) && no_ns_) {
- f_service_ << "\"use strict\";" << endl << endl;
- }
-
- f_service_ << 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 << ts_includes() << endl << render_ts_includes() << endl;
- if (gen_node_) {
- f_service_ts_ << "import ttypes = require('./" + program_->get_name() + "_types');" << endl;
- // Generate type aliases
- // enum
- vector<t_enum*> const& enums = program_->get_enums();
- vector<t_enum*>::const_iterator e_iter;
- for (e_iter = enums.begin(); e_iter != enums.end(); ++e_iter) {
- f_service_ts_ << "import " << (*e_iter)->get_name() << " = ttypes."
- << js_namespace(program_) << (*e_iter)->get_name() << endl;
- }
- // const
- vector<t_const*> const& consts = program_->get_consts();
- vector<t_const*>::const_iterator c_iter;
- for (c_iter = consts.begin(); c_iter != consts.end(); ++c_iter) {
- f_service_ts_ << "import " << (*c_iter)->get_name() << " = ttypes."
- << js_namespace(program_) << (*c_iter)->get_name() << endl;
- }
- // exception
- vector<t_struct*> const& exceptions = program_->get_xceptions();
- vector<t_struct*>::const_iterator x_iter;
- for (x_iter = exceptions.begin(); x_iter != exceptions.end(); ++x_iter) {
- f_service_ts_ << "import " << (*x_iter)->get_name() << " = ttypes."
- << js_namespace(program_) << (*x_iter)->get_name() << endl;
- }
- // structs
- vector<t_struct*> const& structs = program_->get_structs();
- vector<t_struct*>::const_iterator s_iter;
- for (s_iter = structs.begin(); s_iter != structs.end(); ++s_iter) {
- f_service_ts_ << "import " << (*s_iter)->get_name() << " = ttypes."
- << js_namespace(program_) << (*s_iter)->get_name() << endl;
- }
- } else {
- f_service_ts_ << "import { " << program_->get_name() << " } from \"./" << program_->get_name() << "_types\";" << endl << endl;
- }
- if (!ts_module_.empty()) {
- if (gen_node_) {
- f_service_ts_ << "declare module " << ts_module_ << " {";
- } else {
- f_service_ts_ << "declare module \"./" << program_->get_name() << "_types\" {" << endl;
- indent_up();
- f_service_ts_ << ts_indent() << "module " << program_->get_name() << " {" << endl;
- indent_up();
- }
- }
- }
-
- if (gen_node_) {
- if (tservice->get_extends() != NULL) {
- f_service_ << js_const_type_ << tservice->get_extends()->get_name() << " = require('./"
- << tservice->get_extends()->get_name() << "');" << endl << js_const_type_
- << tservice->get_extends()->get_name()
- << "Client = " << tservice->get_extends()->get_name() << ".Client;" << endl
- << js_const_type_ << tservice->get_extends()->get_name()
- << "Processor = " << tservice->get_extends()->get_name() << ".Processor;" << endl;
- }
-
- f_service_ << js_const_type_ << "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()) {
- if (gen_node_) {
- f_service_ts_ << "}" << endl;
- } else {
- indent_down();
- f_service_ts_ << ts_indent() << "}" << endl;
- f_service_ts_ << "}" << endl;
- }
- }
- 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;
-
- if (gen_node_) {
- string prefix = has_js_namespace(tservice->get_program()) ? js_namespace(tservice->get_program()) : js_const_type_;
- f_service_ << prefix << service_name_ << "Processor = " << "exports.Processor";
- if (gen_ts_) {
- f_service_ts_ << endl << "declare class Processor ";
- if (tservice->get_extends() != NULL) {
- f_service_ts_ << "extends " << tservice->get_extends()->get_name() << "Processor ";
- }
- f_service_ts_ << "{" << endl;
- indent_up();
- f_service_ts_ << ts_indent() << "private _handler: object;" << endl << endl;
- f_service_ts_ << ts_indent() << "constructor(handler: object);" << endl;
- f_service_ts_ << ts_indent() << "process(input: thrift.TProtocol, output: thrift.TProtocol): void;" << endl;
- indent_down();
- }
- } else {
- f_service_ << js_namespace(tservice->get_program()) << service_name_ << "Processor = "
- << "exports.Processor";
- }
-
- bool is_subclass_service = tservice->get_extends() != NULL;
-
- // ES6 Constructor
- if (gen_es6_) {
- if (is_subclass_service) {
- f_service_ << " = class extends " << tservice->get_extends()->get_name() << "Processor {" << endl;
- } else {
- f_service_ << " = class {" << endl;
- }
- indent_up();
- indent(f_service_) << "constructor(handler) {" << endl;
- } else {
- f_service_ << " = function(handler) {" << endl;
- }
-
- indent_up();
- if (gen_es6_ && is_subclass_service) {
- indent(f_service_) << "super(handler);" << endl;
- }
- indent(f_service_) << "this._handler = handler;" << endl;
- indent_down();
-
- // Done with constructor
- if (gen_es6_) {
- indent(f_service_) << "}" << endl;
- } else {
- indent(f_service_) << "};" << endl;
- }
-
- // ES5 service inheritance
- if (!gen_es6_ && is_subclass_service) {
- indent(f_service_) << "Thrift.inherits(" << js_namespace(tservice->get_program())
- << service_name_ << "Processor, " << tservice->get_extends()->get_name()
- << "Processor);" << endl;
- }
-
- // Generate the server implementation
- if (gen_es6_) {
- indent(f_service_) << "process (input, output) {" << endl;
- } else {
- indent(f_service_) << js_namespace(tservice->get_program()) << service_name_
- << "Processor.prototype.process = function(input, output) {" << endl;
- }
-
- indent_up();
-
- indent(f_service_) << js_const_type_ << "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()
- << " " << js_const_type_ << "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;
-
- indent_down();
- if (gen_es6_) {
- indent(f_service_) << "}" << endl;
- } else {
- indent(f_service_) << "};" << endl;
- }
-
- // Generate the process subfunctions
- for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) {
- generate_process_function(tservice, *f_iter);
- }
-
- // Close off the processor class definition
- if (gen_es6_) {
- indent_down();
- indent(f_service_) << "};" << endl;
- }
- if (gen_node_ && gen_ts_) {
- f_service_ts_ << "}" << endl;
- }
-}
-
-/**
- * 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) {
- if (gen_es6_) {
- indent(f_service_) << "process_" + tfunction->get_name() + " (seqid, input, output) {" << endl;
- } else {
- indent(f_service_) << js_namespace(tservice->get_program()) << service_name_
- << "Processor.prototype.process_" + tfunction->get_name()
- + " = function(seqid, input, output) {" << endl;
- }
- if (gen_ts_) {
- indent_up();
- f_service_ts_ << ts_indent() << "process_" << tfunction->get_name() << "(seqid: number, input: thrift.TProtocol, output: thrift.TProtocol): void;" << endl;
- indent_down();
- }
-
- indent_up();
-
- string argsname = js_namespace(program_) + service_name_ + "_" + tfunction->get_name() + "_args";
- string resultname = js_namespace(program_) + service_name_ + "_" + tfunction->get_name()
- + "_result";
-
- indent(f_service_) << js_const_type_ << "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;
- indent_down();
-
- if (gen_es6_) {
- indent(f_service_) << "}" << endl;
- } else {
- indent(f_service_) << "};" << endl;
- }
- return;
- }
-
- // Promise style invocation
- indent(f_service_) << "if (this._handler." << tfunction->get_name()
- << ".length === " << fields.size() << ") {" << endl;
- indent_up();
-
- if (gen_es6_) {
- indent(f_service_) << "Promise.resolve(this._handler." << tfunction->get_name() << ".bind(this._handler)(" << endl;
- } else {
- string maybeComma = (fields.size() > 0 ? "," : "");
- indent(f_service_) << "Q.fcall(this._handler." << tfunction->get_name() << ".bind(this._handler)"
- << maybeComma << endl;
- }
-
- indent_up();
- for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
- string maybeComma = (f_iter != fields.end() - 1 ? "," : "");
- indent(f_service_) << "args." << (*f_iter)->get_name() << maybeComma << endl;
- }
- indent_down();
-
- if (gen_es6_) {
- indent(f_service_) << ")).then(result => {" << endl;
- } else {
- indent(f_service_) << ").then(function(result) {" << endl;
- }
-
- indent_up();
- f_service_ << indent() << js_const_type_ << "result_obj = new " << resultname << "({success: result});" << endl
- << indent() << "output.writeMessageBegin(\"" << tfunction->get_name()
- << "\", Thrift.MessageType.REPLY, seqid);" << endl << indent()
- << "result_obj.write(output);" << endl << indent() << "output.writeMessageEnd();" << endl
- << indent() << "output.flush();" << endl;
- indent_down();
-
- if (gen_es6_) {
- indent(f_service_) << "}).catch(err => {" << endl;
- } else {
- indent(f_service_) << "}).catch(function (err) {" << endl;
- }
- indent_up();
- indent(f_service_) << js_let_type_ << "result;" << endl;
-
- bool has_exception = false;
- t_struct* exceptions = tfunction->get_xceptions();
- if (exceptions) {
- const vector<t_field*>& members = exceptions->get_members();
- for (auto member : members) {
- t_type* t = get_true_type(member->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() << "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() << "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();
- // End promise style invocation
-
- // Callback style invocation
- 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() << ", ";
- }
-
- if (gen_es6_) {
- f_service_ << "(err, result) => {" << endl;
- } else {
- f_service_ << "function (err, result) {" << endl;
- }
- indent_up();
- indent(f_service_) << js_let_type_ << "result_obj;" << endl;
-
- indent(f_service_) << "if ((err === null || typeof err === 'undefined')";
- if (has_exception) {
- const vector<t_field*>& members = exceptions->get_members();
- for (auto member : members) {
- t_type* t = get_true_type(member->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() << "result_obj = new " << resultname
- << "((err !== null || typeof err === 'undefined') ? 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() << "result_obj = 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_obj.write(output);" << endl << indent()
- << "output.writeMessageEnd();" << endl << indent() << "output.flush();" << endl;
-
- indent_down();
- indent(f_service_) << "});" << endl;
- indent_down();
- indent(f_service_) << "}" << endl;
- // End callback style invocation
-
- indent_down();
-
- if (gen_es6_) {
- indent(f_service_) << "}" << endl;
- } else {
- indent(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) {
-
- bool is_subclass_service = tservice->get_extends() != NULL;
-
- if (gen_node_) {
- string prefix = has_js_namespace(tservice->get_program()) ? js_namespace(tservice->get_program()) : js_const_type_;
- f_service_ << prefix << service_name_ << "Client = " << "exports.Client";
- if (gen_ts_) {
- f_service_ts_ << ts_print_doc(tservice) << ts_indent() << ts_declare() << "class "
- << "Client ";
- if (tservice->get_extends() != NULL) {
- f_service_ts_ << "extends " << tservice->get_extends()->get_name() << "Client ";
- }
- f_service_ts_ << "{" << endl;
- }
- } else {
- f_service_ << js_namespace(tservice->get_program()) << service_name_
- << "Client";
- if (gen_ts_) {
- f_service_ts_ << ts_print_doc(tservice) << ts_indent() << ts_declare() << "class "
- << service_name_ << "Client ";
- if (is_subclass_service) {
- f_service_ts_ << "extends " << tservice->get_extends()->get_name() << "Client ";
- }
- f_service_ts_ << "{" << endl;
- }
- }
-
- // ES6 Constructor
- if (gen_es6_) {
- if (is_subclass_service) {
- f_service_ << " = class extends " << js_namespace(tservice->get_extends()->get_program())
- << tservice->get_extends()->get_name() << "Client {" << endl;
- } else {
- f_service_ << " = class {" << endl;
- }
- indent_up();
- if (gen_node_) {
- indent(f_service_) << "constructor(output, pClass) {" << endl;
- } else {
- indent(f_service_) << "constructor(input, output) {" << endl;
- }
- } else {
- if (gen_node_) {
- f_service_ << " = function(output, pClass) {" << endl;
- } else {
- f_service_ << " = function(input, output) {" << endl;
- }
- }
-
- indent_up();
-
- if (gen_node_) {
- indent(f_service_) << "this.output = output;" << endl;
- indent(f_service_) << "this.pClass = pClass;" << endl;
- indent(f_service_) << "this._seqid = 0;" << endl;
- indent(f_service_) << "this._reqs = {};" << endl;
- if (gen_ts_) {
- f_service_ts_ << ts_indent() << "private output: thrift.TTransport;" << endl
- << ts_indent() << "private pClass: thrift.TProtocol;" << endl
- << ts_indent() << "private _seqid: number;" << endl
- << endl
- << ts_indent() << "constructor(output: thrift.TTransport, pClass: { new(trans: thrift.TTransport): thrift.TProtocol });"
- << endl;
- }
- } else {
- indent(f_service_) << "this.input = input;" << endl;
- indent(f_service_) << "this.output = (!output) ? input : output;" << endl;
- indent(f_service_) << "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();
-
- if (gen_es6_) {
- indent(f_service_) << "}" << endl;
- } else {
- indent(f_service_) << "};" << endl;
- if (is_subclass_service) {
- 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_) {
- if (gen_es6_) {
- indent(f_service_) << "seqid () { return this._seqid; }" << endl;
- indent(f_service_) << "new_seqid () { return this._seqid += 1; }" << endl;
- } else {
- 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_ << endl;
- if (gen_es6_) {
- indent(f_service_) << funname << " (" << arglist << ") {" << endl;
- } else {
- indent(f_service_) << js_namespace(tservice->get_program()) << service_name_ << "Client.prototype."
- << function_signature(*f_iter, "", !gen_es6_) << " {" << endl;
- }
-
- indent_up();
-
- if (gen_ts_) {
- // function definition without callback
- f_service_ts_ << ts_print_doc(*f_iter) << ts_indent() << ts_function_signature(*f_iter, false) << endl;
- if (!gen_es6_) {
- // overload with callback
- f_service_ts_ << ts_print_doc(*f_iter) << ts_indent() << ts_function_signature(*f_iter, true) << endl;
- } else {
- // overload with callback
- f_service_ts_ << ts_print_doc(*f_iter) << ts_indent() << ts_function_signature(*f_iter, true) << endl;
- }
- }
-
- if (gen_es6_ && gen_node_) {
- indent(f_service_) << "this._seqid = this.new_seqid();" << endl;
- indent(f_service_) << js_const_type_ << "self = this;" << endl << indent()
- << "return new Promise((resolve, reject) => {" << endl;
- indent_up();
- indent(f_service_) << "self._reqs[self.seqid()] = (error, result) => {" << endl;
- indent_up();
- indent(f_service_) << "return error ? reject(error) : resolve(result);" << endl;
- indent_down();
- indent(f_service_) << "};" << endl;
- indent(f_service_) << "self.send_" << funname << "(" << arglist << ");" << endl;
- indent_down();
- indent(f_service_) << "});" << endl;
- } else 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() << js_const_type_ << "_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_es6_) {
- f_service_ << indent() << js_const_type_ << "self = this;" << endl << indent()
- << "return new Promise((resolve, reject) => {" << endl;
- indent_up();
- f_service_ << indent() << "self.send_" << funname << "(" << arglist
- << (arglist.empty() ? "" : ", ") << "(error, result) => {" << endl;
- indent_up();
- indent(f_service_) << "return error ? reject(error) : resolve(result);" << endl;
- indent_down();
- f_service_ << indent() << "});" << endl;
- indent_down();
- f_service_ << indent() << "});" << 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() << js_const_type_ << "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();
-
- if (gen_es6_) {
- indent(f_service_) << "}" << endl << endl;
- } else {
- indent(f_service_) << "};" << endl << endl;
- }
-
- // Send function
- if (gen_es6_) {
- if (gen_node_) {
- indent(f_service_) << "send_" << funname << " (" << arglist << ") {" << endl;
- } else {
- // ES6 js still uses callbacks here. Should refactor this to promise style later..
- indent(f_service_) << "send_" << funname << " (" << argument_list(arg_struct, true) << ") {" << endl;
- }
- } else {
- indent(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() << js_const_type_ << "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";
- // Build args
- if (fields.size() > 0){
- f_service_ << indent() << js_const_type_ << "params = {" << endl;
- indent_up();
- for (fld_iter = fields.begin(); fld_iter != fields.end(); ++fld_iter) {
- indent(f_service_) << (*fld_iter)->get_name() << ": " << (*fld_iter)->get_name();
- if (fld_iter != fields.end()-1) {
- f_service_ << "," << endl;
- } else {
- f_service_ << endl;
- }
- }
- indent_down();
- indent(f_service_) << "};" << endl;
- indent(f_service_) << js_const_type_ << "args = new " << argsname << "(params);" << endl;
- } else {
- indent(f_service_) << js_const_type_ << "args = new " << argsname << "();" << endl;
- }
-
-
- // Serialize the request header within try/catch
- indent(f_service_) << "try {" << endl;
- indent_up();
-
- 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;
- }
-
-
- // Write to the stream
- f_service_ << indent() << "args.write(" << outputVar << ");" << endl << indent() << outputVar
- << ".writeMessageEnd();" << endl;
-
- if (gen_node_) {
- if((*f_iter)->is_oneway()) {
- f_service_ << indent() << "this.output.flush();" << endl;
- f_service_ << indent() << js_const_type_ << "callback = this._reqs[this.seqid()] || function() {};" << endl;
- f_service_ << indent() << "delete this._reqs[this.seqid()];" << endl;
- f_service_ << indent() << "callback(null);" << endl;
- } else {
- f_service_ << indent() << "return this.output.flush();" << endl;
- }
- } else {
- if (gen_jquery_) {
- f_service_ << indent() << "return this.output.getTransport().flush(callback);" << endl;
- } else if (gen_es6_) {
- f_service_ << indent() << js_const_type_ << "self = this;" << endl;
- if((*f_iter)->is_oneway()) {
- f_service_ << indent() << "this.output.getTransport().flush(true, null);" << endl;
- f_service_ << indent() << "callback();" << endl;
- } else {
- f_service_ << indent() << "this.output.getTransport().flush(true, () => {" << endl;
- indent_up();
- f_service_ << indent() << js_let_type_ << "error = null, 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() << " error = e;" << endl;
- f_service_ << indent() << "}" << endl;
- f_service_ << indent() << "callback(error, result);" << endl;
- indent_down();
- f_service_ << indent() << "});" << endl;
- }
- } else {
- f_service_ << indent() << "if (callback) {" << endl;
- indent_up();
- if((*f_iter)->is_oneway()) {
- f_service_ << indent() << "this.output.getTransport().flush(true, null);" << endl;
- f_service_ << indent() << "callback();" << endl;
- } else {
- f_service_ << indent() << js_const_type_ << "self = this;" << endl;
- f_service_ << indent() << "this.output.getTransport().flush(true, function() {" << endl;
- indent_up();
- f_service_ << indent() << js_let_type_ << "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;
- indent_down();
- f_service_ << indent() << "});" << endl;
- }
- indent_down();
- f_service_ << indent() << "} else {" << endl;
- f_service_ << indent() << " return this.output.getTransport().flush();" << endl;
- f_service_ << indent() << "}" << endl;
- }
- }
-
- indent_down();
- f_service_ << indent() << "}" << endl;
-
- // Reset the transport and delete registered callback if there was a serialization error
- f_service_ << indent() << "catch (e) {" << endl;
- indent_up();
- if (gen_node_) {
- f_service_ << indent() << "delete this._reqs[this.seqid()];" << endl;
- f_service_ << indent() << "if (typeof " << outputVar << ".reset === 'function') {" << endl;
- f_service_ << indent() << " " << outputVar << ".reset();" << endl;
- f_service_ << indent() << "}" << endl;
- } else {
- f_service_ << indent() << "if (typeof " << outputVar << ".getTransport().reset === 'function') {" << endl;
- f_service_ << indent() << " " << outputVar << ".getTransport().reset();" << endl;
- f_service_ << indent() << "}" << endl;
- }
- f_service_ << indent() << "throw e;" << endl;
- indent_down();
- f_service_ << indent() << "}" << endl;
-
- indent_down();
-
- // Close send function
- if (gen_es6_) {
- indent(f_service_) << "}" << endl;
- } else {
- indent(f_service_) << "};" << endl;
- }
-
- // Receive function
- if (!(*f_iter)->is_oneway()) {
- std::string resultname = js_namespace(tservice->get_program()) + service_name_ + "_"
- + (*f_iter)->get_name() + "_result";
-
- f_service_ << endl;
- // Open receive function
- if (gen_node_) {
- if (gen_es6_) {
- indent(f_service_) << "recv_" << (*f_iter)->get_name() << " (input, mtype, rseqid) {" << endl;
- } else {
- indent(f_service_) << js_namespace(tservice->get_program()) << service_name_
- << "Client.prototype.recv_" << (*f_iter)->get_name()
- << " = function(input,mtype,rseqid) {" << endl;
- }
- } else {
- if (gen_es6_) {
- indent(f_service_) << "recv_" << (*f_iter)->get_name() << " () {" << endl;
- } else {
- t_struct noargs(program_);
-
- t_function recv_function((*f_iter)->get_returntype(),
- string("recv_") + (*f_iter)->get_name(),
- &noargs);
- indent(f_service_) << 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() << js_const_type_ << "callback = this._reqs[rseqid] || function() {};" << endl
- << indent() << "delete this._reqs[rseqid];" << endl;
- } else {
- f_service_ << indent() << js_const_type_ << "ret = this.input.readMessageBegin();" << endl
- << indent() << js_const_type_ << "mtype = ret.mtype;" << endl;
- }
-
- f_service_ << indent() << "if (mtype == Thrift.MessageType.EXCEPTION) {" << endl;
-
- indent_up();
- f_service_ << indent() << js_const_type_ << "x = new Thrift.TApplicationException();" << endl
- << indent() << "x.read(" << inputVar << ");" << endl
- << indent() << inputVar << ".readMessageEnd();" << endl
- << indent() << render_recv_throw("x") << endl;
- scope_down(f_service_);
-
- f_service_ << indent() << js_const_type_ << "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 receive function
- indent_down();
- if (gen_es6_) {
- indent(f_service_) << "}" << endl;
- } else {
- indent(f_service_) << "};" << endl;
- }
- }
- }
-
- // Finish class definitions
- if (gen_ts_) {
- f_service_ts_ << ts_indent() << "}" << endl;
- }
- if (gen_es6_) {
- indent_down();
- f_service_ << "};" << 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(ostream& out,
- t_field* tfield,
- string prefix,
- bool inclass) {
- (void)inclass;
- t_type* type = get_true_type(tfield->get_type());
-
- if (type->is_void()) {
- throw std::runtime_error("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 std::runtime_error("compiler error: cannot serialize void field in a struct: " + name);
- break;
- case t_base_type::TYPE_STRING:
- out << (type->is_binary() ? "readBinary()" : "readString()");
- break;
- case t_base_type::TYPE_BOOL:
- out << "readBool()";
- break;
- case t_base_type::TYPE_I8:
- out << "readByte()";
- break;
- case t_base_type::TYPE_I16:
- out << "readI16()";
- break;
- case t_base_type::TYPE_I32:
- out << "readI32()";
- break;
- case t_base_type::TYPE_I64:
- out << "readI64()";
- break;
- case t_base_type::TYPE_DOUBLE:
- out << "readDouble()";
- break;
- default:
- throw std::runtime_error("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(ostream& 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(ostream& out, t_type* ttype, string prefix) {
- string size = tmp("_size");
- string rtmp3 = tmp("_rtmp3");
-
- t_field fsize(g_type_i32, size);
-
- // Declare variables, read header
- if (ttype->is_map()) {
- out << indent() << prefix << " = {};" << endl;
-
- out << indent() << js_const_type_ << rtmp3 << " = input.readMapBegin();" << endl;
- out << indent() << js_const_type_ << size << " = " << rtmp3 << ".size || 0;" << endl;
-
- } else if (ttype->is_set()) {
-
- out << indent() << prefix << " = [];" << endl
- << indent() << js_const_type_ << rtmp3 << " = input.readSetBegin();" << endl
- << indent() << js_const_type_ << size << " = " << rtmp3 << ".size || 0;" << endl;
-
- } else if (ttype->is_list()) {
-
- out << indent() << prefix << " = [];" << endl
- << indent() << js_const_type_ << rtmp3 << " = input.readListBegin();" << endl
- << indent() << js_const_type_ << size << " = " << rtmp3 << ".size || 0;" << endl;
- }
-
- // For loop iterates over elements
- string i = tmp("_i");
- indent(out) << "for (" << js_let_type_ << i << " = 0; " << i << " < " << size << "; ++" << i << ") {" << endl;
-
- indent_up();
-
- 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(ostream& out, t_map* tmap, string prefix) {
- string key = tmp("key");
- string val = tmp("val");
- t_field fkey(tmap->get_key_type(), key);
- t_field fval(tmap->get_val_type(), val);
-
- indent(out) << declare_field(&fkey, 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(ostream& out, t_set* tset, string prefix) {
- string elem = tmp("elem");
- t_field felem(tset->get_elem_type(), elem);
-
- indent(out) << js_let_type_ << elem << " = null;" << endl;
-
- generate_deserialize_field(out, &felem);
-
- indent(out) << prefix << ".push(" << elem << ");" << endl;
-}
-
-void t_js_generator::generate_deserialize_list_element(ostream& out,
- t_list* tlist,
- string prefix) {
- string elem = tmp("elem");
- t_field felem(tlist->get_elem_type(), elem);
-
- indent(out) << js_let_type_ << 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(ostream& out, t_field* tfield, string prefix) {
- t_type* type = get_true_type(tfield->get_type());
-
- // Do nothing for void types
- if (type->is_void()) {
- throw std::runtime_error("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 std::runtime_error("compiler error: cannot serialize void field in a struct: " + name);
- break;
- case t_base_type::TYPE_STRING:
- out << (type->is_binary() ? "writeBinary(" : "writeString(") << name << ")";
- break;
- case t_base_type::TYPE_BOOL:
- out << "writeBool(" << name << ")";
- break;
- case t_base_type::TYPE_I8:
- out << "writeByte(" << name << ")";
- break;
- case t_base_type::TYPE_I16:
- out << "writeI16(" << name << ")";
- break;
- case t_base_type::TYPE_I32:
- out << "writeI32(" << name << ")";
- break;
- case t_base_type::TYPE_I64:
- out << "writeI64(" << name << ")";
- break;
- case t_base_type::TYPE_DOUBLE:
- out << "writeDouble(" << name << ")";
- break;
- default:
- throw std::runtime_error("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(ostream& 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(ostream& 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 (" << js_let_type_ << kiter << " in " << prefix << ") {" << endl;
- indent_up();
- indent(out) << "if (" << prefix << ".hasOwnProperty(" << kiter << ")) {" << endl;
- indent_up();
- indent(out) << js_let_type_ << 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 (" << js_let_type_ << iter << " in " << prefix << ") {" << endl;
- indent_up();
- indent(out) << "if (" << prefix << ".hasOwnProperty(" << iter << ")) {" << endl;
- indent_up();
- 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 (" << js_let_type_ << iter << " in " << prefix << ") {" << endl;
- indent_up();
- indent(out) << "if (" << prefix << ".hasOwnProperty(" << iter << ")) {" << endl;
- indent_up();
- 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(ostream& 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(ostream& out, t_set* tset, string iter) {
- t_field efield(tset->get_elem_type(), iter);
- generate_serialize_field(out, &efield);
-}
-
-/**
- * Serializes the members of a list.
- */
-void t_js_generator::generate_serialize_list_element(ostream& out, t_list* tlist, string iter) {
- t_field efield(tlist->get_elem_type(), iter);
- generate_serialize_field(out, &efield);
-}
-
-/**
- * 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 = js_let_type_ + 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_I8:
- 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 std::runtime_error("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 std::runtime_error("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_I8:
- 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 std::runtime_error("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_I8:
- ts_type = "any";
- break;
- case t_base_type::TYPE_I16:
- case t_base_type::TYPE_I32:
- case t_base_type::TYPE_DOUBLE:
- ts_type = "number";
- break;
- case t_base_type::TYPE_I64:
- ts_type = "Int64";
- 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());
-
- // If the type is not defined within the current program, we need to prefix it with the same name as
- // the generated "import" statement for the types containing program
- if(type->get_program() != program_) {
- auto prefix = include_2_import_name.find(type->get_program());
-
- if(prefix != include_2_import_name.end()) {
- type_name.append(prefix->second);
- type_name.append(".");
- }
- }
- }
-
- 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) {
- if (gen_node_) {
- t_struct* exceptions = tfunction->get_xceptions();
- string exception_types;
- 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 (it == members.begin()) {
- exception_types = js_type_namespace(t->get_program()) + t->get_name();
- } else {
- exception_types += " | " + js_type_namespace(t->get_program()) + t->get_name();
- }
- }
- }
- if (exception_types == "") {
- str += "callback?: (error: void, response: " + ts_get_type(tfunction->get_returntype()) + ")=>void): ";
- } else {
- str += "callback?: (error: " + exception_types + ", response: " + ts_get_type(tfunction->get_returntype()) + ")=>void): ";
- }
- } else {
- str += "callback?: (data: " + ts_get_type(tfunction->get_returntype()) + ")=>void): ";
- }
-
- if (gen_jquery_) {
- str += "JQueryPromise<" + ts_get_type(tfunction->get_returntype()) +">;";
- } else {
- str += "void;";
- }
- } else {
- if (gen_es6_) {
- str += "): Promise<" + ts_get_type(tfunction->get_returntype()) + ">;";
- }
- else {
- str += "): " + ts_get_type(tfunction->get_returntype()) + ";";
- }
- }
-
- return str;
-}
-
-/**
- * Takes a name and produces a valid NodeJS identifier from it
- *
- * @param name The name which shall become a valid NodeJS identifier
- * @return The modified name with the updated identifier
- */
-std::string t_js_generator::make_valid_nodeJs_identifier(std::string const& name) {
- std::string str = name;
- if (str.empty()) {
- return str;
- }
-
- // tests rely on this
- assert(('A' < 'Z') && ('a' < 'z') && ('0' < '9'));
-
- // if the first letter is a number, we add an additional underscore in front of it
- char c = str.at(0);
- if (('0' <= c) && (c <= '9')) {
- str = "_" + str;
- }
-
- // following chars: letter, number or underscore
- for (size_t i = 0; i < str.size(); ++i) {
- c = str.at(i);
- if ((('A' > c) || (c > 'Z')) && (('a' > c) || (c > 'z')) && (('0' > c) || (c > '9'))
- && ('_' != c) && ('$' != c)) {
- str.replace(i, 1, "_");
- }
- }
-
- return str;
-}
-
-void t_js_generator::parse_imports(t_program* program, const std::string& imports_string) {
- if (program->get_recursive()) {
- throw std::invalid_argument("[-gen js:imports=] option is not usable in recursive code generation mode");
- }
- std::stringstream sstream(imports_string);
- std::string import;
- while (std::getline(sstream, import, ':')) {
- imports.emplace_back(import);
- }
- if (imports.empty()) {
- throw std::invalid_argument("invalid usage: [-gen js:imports=] requires at least one path "
- "(multiple paths are separated by ':')");
- }
- for (auto& import : imports) {
- // Strip trailing '/'
- if (!import.empty() && import[import.size() - 1] == '/') {
- import = import.substr(0, import.size() - 1);
- }
- if (import.empty()) {
- throw std::invalid_argument("empty paths are not allowed in imports");
- }
- std::ifstream episode_file;
- string line;
- const auto episode_file_path = import + "/" + episode_file_name;
- episode_file.open(episode_file_path);
- if (!episode_file) {
- throw std::runtime_error("failed to open the file '" + episode_file_path + "'");
- }
- while (std::getline(episode_file, line)) {
- const auto separator_position = line.find(':');
- if (separator_position == string::npos) {
- // could not find the separator in the line
- throw std::runtime_error("the episode file '" + episode_file_path + "' is malformed, the line '" + line
- + "' does not have a key:value separator ':'");
- }
- const auto module_name = line.substr(0, separator_position);
- const auto import_path = line.substr(separator_position + 1);
- if (module_name.empty()) {
- throw std::runtime_error("the episode file '" + episode_file_path + "' is malformed, the module name is empty");
- }
- if (import_path.empty()) {
- throw std::runtime_error("the episode file '" + episode_file_path + "' is malformed, the import path is empty");
- }
- const auto module_import_path = import.substr(import.find_last_of('/') + 1) + "/" + import_path;
- const auto result = module_name_2_import_path.emplace(module_name, module_import_path);
- if (!result.second) {
- throw std::runtime_error("multiple providers of import path found for " + module_name
- + "\n\t" + module_import_path + "\n\t" + result.first->second);
- }
- }
- }
-}
-void t_js_generator::parse_thrift_package_output_directory(const std::string& thrift_package_output_directory) {
- thrift_package_output_directory_ = thrift_package_output_directory;
- // Strip trailing '/'
- if (!thrift_package_output_directory_.empty() && thrift_package_output_directory_[thrift_package_output_directory_.size() - 1] == '/') {
- thrift_package_output_directory_ = thrift_package_output_directory_.substr(0, thrift_package_output_directory_.size() - 1);
- }
- // Check that the thrift_package_output_directory is not empty after stripping
- if (thrift_package_output_directory_.empty()) {
- throw std::invalid_argument("the thrift_package_output_directory argument must not be empty");
- } else {
- gen_episode_file_ = true;
- }
-}
-
-THRIFT_REGISTER_GENERATOR(js,
- "Javascript",
- " jquery: Generate jQuery compatible code.\n"
- " node: Generate node.js compatible code.\n"
- " ts: Generate TypeScript definition files.\n"
- " with_ns: Create global namespace objects when using node.js\n"
- " es6: Create ES6 code with Promises\n"
- " thrift_package_output_directory=<path>:\n"
- " Generate episode file and use the <path> as prefix\n"
- " imports=<paths_to_modules>:\n"
- " ':' separated list of paths of modules that has episode files in their root\n")
projects / ceph.git / blobdiff