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Posted to commits@thrift.apache.org by je...@apache.org on 2015/10/03 01:47:05 UTC
[4/5] thrift git commit: THRIFT-3299 Create an Apache Thrift language
binding for Dart (dartlang.org). Client: Dart Patch: Mark Erickson
THRIFT-3299 Create an Apache Thrift language binding for Dart (dartlang.org).
Client: Dart
Patch: Mark Erickson <ma...@workiva.com>
This closes #608
Project: http://git-wip-us.apache.org/repos/asf/thrift/repo
Commit: http://git-wip-us.apache.org/repos/asf/thrift/commit/932c4700
Tree: http://git-wip-us.apache.org/repos/asf/thrift/tree/932c4700
Diff: http://git-wip-us.apache.org/repos/asf/thrift/diff/932c4700
Branch: refs/heads/master
Commit: 932c4700c6e3aee20b74d5e2f562326029e6b9c8
Parents: 123258b
Author: Mark Erickson <ma...@workiva.com>
Authored: Sat Aug 29 10:46:51 2015 -0500
Committer: Jens Geyer <je...@apache.org>
Committed: Sat Oct 3 01:43:59 2015 +0200
----------------------------------------------------------------------
.gitignore | 12 +
compiler/cpp/CMakeLists.txt | 3 +-
compiler/cpp/Makefile.am | 1 +
compiler/cpp/src/generate/t_dart_generator.cc | 2361 ++++++++++++++++++
configure.ac | 23 +
lib/Makefile.am | 5 +
lib/dart/LICENSE_HEADER | 16 +
lib/dart/Makefile.am | 26 +
lib/dart/README.md | 26 +
lib/dart/coding_standards.md | 6 +
lib/dart/lib/src/browser/t_web_socket.dart | 130 +
lib/dart/lib/src/console/t_tcp_socket.dart | 81 +
lib/dart/lib/src/console/t_web_socket.dart | 89 +
.../lib/src/protocol/t_binary_protocol.dart | 276 ++
lib/dart/lib/src/protocol/t_field.dart | 26 +
lib/dart/lib/src/protocol/t_json_protocol.dart | 754 ++++++
lib/dart/lib/src/protocol/t_list.dart | 25 +
lib/dart/lib/src/protocol/t_map.dart | 26 +
lib/dart/lib/src/protocol/t_message.dart | 35 +
.../src/protocol/t_multiplexed_protocol.dart | 43 +
lib/dart/lib/src/protocol/t_protocol.dart | 95 +
.../lib/src/protocol/t_protocol_decorator.dart | 150 ++
lib/dart/lib/src/protocol/t_protocol_error.dart | 33 +
.../lib/src/protocol/t_protocol_factory.dart | 22 +
lib/dart/lib/src/protocol/t_protocol_util.dart | 107 +
lib/dart/lib/src/protocol/t_set.dart | 25 +
lib/dart/lib/src/protocol/t_struct.dart | 24 +
lib/dart/lib/src/protocol/t_type.dart | 34 +
lib/dart/lib/src/t_application_error.dart | 104 +
lib/dart/lib/src/t_base.dart | 37 +
lib/dart/lib/src/t_error.dart | 27 +
lib/dart/lib/src/t_processor.dart | 24 +
.../lib/src/transport/t_buffered_transport.dart | 98 +
.../lib/src/transport/t_framed_transport.dart | 83 +
.../lib/src/transport/t_http_transport.dart | 100 +
.../lib/src/transport/t_message_reader.dart | 99 +
lib/dart/lib/src/transport/t_socket.dart | 38 +
.../lib/src/transport/t_socket_transport.dart | 175 ++
lib/dart/lib/src/transport/t_transport.dart | 70 +
.../lib/src/transport/t_transport_error.dart | 31 +
.../lib/src/transport/t_transport_factory.dart | 27 +
lib/dart/lib/thrift.dart | 58 +
lib/dart/lib/thrift_browser.dart | 22 +
lib/dart/lib/thrift_console.dart | 23 +
lib/dart/pubspec.yaml | 36 +
lib/dart/test/protocol/t_protocol_test.dart | 374 +++
lib/dart/test/t_application_error_test.dart | 46 +
.../test/transport/t_http_transport_test.dart | 165 ++
.../test/transport/t_socket_transport_test.dart | 312 +++
lib/dart/test/transport/t_transport_test.dart | 41 +
lib/dart/tool/dev.dart | 33 +
test/Makefile.am | 5 +
test/dart/Makefile.am | 41 +
test/dart/test_client/bin/main.dart | 288 +++
test/dart/test_client/pubspec.yaml | 32 +
test/tests.json | 22 +
tutorial/Makefile.am | 4 +
tutorial/dart/Makefile.am | 56 +
tutorial/dart/build.sh | 56 +
tutorial/dart/client/pubspec.yaml | 34 +
tutorial/dart/client/web/client.dart | 278 +++
tutorial/dart/client/web/index.html | 36 +
tutorial/dart/client/web/styles.css | 33 +
tutorial/dart/console_client/bin/main.dart | 149 ++
tutorial/dart/console_client/pubspec.yaml | 34 +
tutorial/dart/server/bin/main.dart | 163 ++
tutorial/dart/server/pubspec.yaml | 32 +
tutorial/shared.thrift | 1 +
tutorial/tutorial.thrift | 1 +
69 files changed, 7741 insertions(+), 1 deletion(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/thrift/blob/932c4700/.gitignore
----------------------------------------------------------------------
diff --git a/.gitignore b/.gitignore
index e0c7a26..44e630a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -145,6 +145,10 @@ test-driver
/lib/d/test/serialization_benchmark
/lib/d/test/transport_test
/lib/d/unittest/
+/lib/dart/**/.packages
+/lib/dart/**/packages
+/lib/dart/**/.pub/
+/lib/dart/**/pubspec.lock
/lib/delphi/src/*.dcu
/lib/delphi/test/*.identcache
/lib/delphi/test/*.local
@@ -235,6 +239,10 @@ test-driver
/test/cpp/StressTestNonBlocking
/test/cpp/TestClient
/test/cpp/TestServer
+/test/dart/**/.packages
+/test/dart/**/packages
+/test/dart/**/.pub/
+/test/dart/**/pubspec.lock
/test/log/
/test/test.log
/test/erl/.eunit/
@@ -260,6 +268,10 @@ test-driver
/tutorial/csharp/CsharpServer/bin
/tutorial/csharp/CsharpClient/obj
/tutorial/csharp/CsharpClient/bin
+/tutorial/dart/**/.packages
+/tutorial/dart/**/packages
+/tutorial/dart/**/.pub/
+/tutorial/dart/**/pubspec.lock
/tutorial/delphi/*.dsk
/tutorial/delphi/*.local
/tutorial/delphi/*.tvsconfig
http://git-wip-us.apache.org/repos/asf/thrift/blob/932c4700/compiler/cpp/CMakeLists.txt
----------------------------------------------------------------------
diff --git a/compiler/cpp/CMakeLists.txt b/compiler/cpp/CMakeLists.txt
index bc6591c..2d0c3f0 100644
--- a/compiler/cpp/CMakeLists.txt
+++ b/compiler/cpp/CMakeLists.txt
@@ -47,7 +47,7 @@ set(libparse_SOURCES
add_library(libparse STATIC ${libparse_SOURCES})
# Create the thrift compiler
-set( thrift_SOURCES
+set( thrift_SOURCES
src/main.cc
src/md5.c
src/generate/t_generator.cc
@@ -100,6 +100,7 @@ THRIFT_ADD_COMPILER(c_glib "Enable compiler for C with Glib" ON)
THRIFT_ADD_COMPILER(cpp "Enable compiler for C++" ON)
THRIFT_ADD_COMPILER(java "Enable compiler for Java" ON)
THRIFT_ADD_COMPILER(as3 "Enable compiler for ActionScript 3" ON)
+THRIFT_ADD_COMPILER(dart "Enable compiler for Dart" ON)
THRIFT_ADD_COMPILER(haxe "Enable compiler for Haxe" ON)
THRIFT_ADD_COMPILER(csharp "Enable compiler for C#" ON)
THRIFT_ADD_COMPILER(py "Enable compiler for Python 2.0" ON)
http://git-wip-us.apache.org/repos/asf/thrift/blob/932c4700/compiler/cpp/Makefile.am
----------------------------------------------------------------------
diff --git a/compiler/cpp/Makefile.am b/compiler/cpp/Makefile.am
index 38f9f9d..2aa6913 100644
--- a/compiler/cpp/Makefile.am
+++ b/compiler/cpp/Makefile.am
@@ -74,6 +74,7 @@ thrift_SOURCES += src/generate/t_c_glib_generator.cc \
src/generate/t_java_generator.cc \
src/generate/t_json_generator.cc \
src/generate/t_as3_generator.cc \
+ src/generate/t_dart_generator.cc \
src/generate/t_haxe_generator.cc \
src/generate/t_csharp_generator.cc \
src/generate/t_py_generator.cc \
http://git-wip-us.apache.org/repos/asf/thrift/blob/932c4700/compiler/cpp/src/generate/t_dart_generator.cc
----------------------------------------------------------------------
diff --git a/compiler/cpp/src/generate/t_dart_generator.cc b/compiler/cpp/src/generate/t_dart_generator.cc
new file mode 100644
index 0000000..147ca13
--- /dev/null
+++ b/compiler/cpp/src/generate/t_dart_generator.cc
@@ -0,0 +1,2361 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include <sstream>
+#include <string>
+#include <fstream>
+#include <iostream>
+#include <vector>
+#include <cctype>
+
+#include <sys/stat.h>
+#include <stdexcept>
+
+#include "platform.h"
+#include "t_oop_generator.h"
+
+using std::map;
+using std::ofstream;
+using std::ostringstream;
+using std::string;
+using std::stringstream;
+using std::vector;
+
+static const string endl = "\n"; // avoid ostream << std::endl flushes
+static const string endl2 = "\n\n";
+
+/**
+ * Use the current Thrift version for static libraries. When releasing, update
+ * the version in these files.
+ * - lib/dart/pubspec.yaml
+ * - test/dart/test_client/pubspec.yaml
+ * - tutorial/dart/client/pubspec.yaml
+ * - tutorial/dart/console_client/pubspec.yaml
+ * - tutorial/dart/server/pubspec.yaml
+ * See https://thrift.apache.org/docs/committers/HowToVersion
+ */
+static const string dart_thrift_version = THRIFT_VERSION;
+
+/* forward declarations */
+string initial_caps_to_underscores(string name);
+
+/**
+ * Dart code generator
+ *
+ */
+class t_dart_generator : public t_oop_generator {
+public:
+ t_dart_generator(t_program* program,
+ const std::map<std::string, std::string>& parsed_options,
+ const std::string& option_string)
+ : t_oop_generator(program) {
+ (void)option_string;
+ std::map<std::string, std::string>::const_iterator iter;
+
+ iter = parsed_options.find("library_name");
+ if (iter != parsed_options.end()) {
+ library_name_ = (iter->second);
+ } else {
+ library_name_ = "";
+ }
+
+ out_dir_base_ = "gen-dart";
+ }
+
+ void scope_up(std::ostream& out, std::string prefix=" ") {
+ out << prefix << "{" << endl;
+ indent_up();
+ }
+
+ void scope_down(std::ostream& out, std::string postfix=endl) {
+ indent_down();
+ indent(out) << "}" << postfix;
+ }
+
+ string replace_all(string contents, string search, string repl) {
+ string str(contents);
+
+ size_t slen = search.length();
+ size_t rlen = repl.length();
+ size_t incr = (rlen > 0) ? rlen : 1;
+
+ if (slen > 0) {
+ size_t found = str.find(search);
+ while ((found != string::npos) && (found < str.length())) {
+ str.replace(found, slen, repl);
+ found = str.find(search, found + incr);
+ }
+ }
+
+ return str;
+ }
+
+
+ /**
+ * Init and close methods
+ */
+
+ void init_generator();
+ void close_generator();
+
+ void export_class_to_library(string file_name, string class_name);
+
+ void generate_dart_library();
+ void generate_dart_pubspec();
+
+ void generate_consts(std::vector<t_const*> consts);
+
+ /**
+ * Program-level generation functions
+ */
+
+ void generate_typedef(t_typedef* ttypedef);
+ void generate_enum(t_enum* tenum);
+ void generate_struct(t_struct* tstruct);
+ void generate_xception(t_struct* txception);
+ void generate_service(t_service* tservice);
+
+ void print_const_value(std::ofstream& out,
+ std::string name,
+ t_type* type,
+ t_const_value* value,
+ bool in_static,
+ bool defval = false);
+ std::string render_const_value(ofstream& out,
+ std::string name,
+ t_type* type,
+ t_const_value* value);
+
+ /**
+ * Service-level generation functions
+ */
+
+ void generate_dart_struct(t_struct* tstruct, bool is_exception);
+
+ void generate_dart_struct_definition(std::ofstream& out,
+ t_struct* tstruct,
+ bool is_xception = false,
+ bool is_result = false,
+ string export_file_name = "");
+ void generate_dart_struct_reader(std::ofstream& out, t_struct* tstruct);
+ void generate_dart_validator(std::ofstream& out, t_struct* tstruct);
+ void generate_dart_struct_result_writer(std::ofstream& out, t_struct* tstruct);
+ void generate_dart_struct_writer(std::ofstream& out, t_struct* tstruct);
+ void generate_dart_struct_tostring(std::ofstream& out, t_struct* tstruct);
+ std::string get_dart_type_string(t_type* type);
+ void generate_generic_field_getters(std::ofstream& out, t_struct* tstruct);
+ void generate_generic_field_setters(std::ofstream& out, t_struct* tstruct);
+ void generate_generic_isset_method(std::ofstream& out, t_struct* tstruct);
+ void generate_dart_bean_boilerplate(std::ofstream& out, t_struct* tstruct);
+
+ void generate_function_helpers(t_function* tfunction);
+ std::string get_cap_name(std::string name);
+ std::string get_field_name(std::string name);
+ std::string get_args_class_name(std::string name);
+ std::string get_result_class_name(std::string name);
+ std::string get_file_name(std::string name);
+ std::string generate_isset_check(t_field* field);
+ std::string generate_isset_check(std::string field);
+ void generate_isset_set(ofstream& out, t_field* field);
+
+ void generate_service_interface(t_service* tservice);
+ void generate_service_helpers(t_service* tservice);
+ void generate_service_client(t_service* tservice);
+ void generate_service_server(t_service* tservice);
+ void generate_process_function(t_service* tservice, t_function* tfunction);
+
+ /**
+ * Serialization constructs
+ */
+
+ void generate_deserialize_field(std::ofstream& out, t_field* tfield, std::string prefix = "");
+
+ void generate_deserialize_struct(std::ofstream& out, t_struct* tstruct, std::string prefix = "");
+
+ void generate_deserialize_container(std::ofstream& out, t_type* ttype, std::string prefix = "");
+
+ void generate_deserialize_set_element(std::ofstream& out, t_set* tset, std::string prefix = "");
+
+ void generate_deserialize_map_element(std::ofstream& out, t_map* tmap, std::string prefix = "");
+
+ void generate_deserialize_list_element(std::ofstream& out,
+ t_list* tlist,
+ std::string prefix = "");
+
+ void generate_serialize_field(std::ofstream& out, t_field* tfield, std::string prefix = "");
+
+ void generate_serialize_struct(std::ofstream& out, t_struct* tstruct, std::string prefix = "");
+
+ void generate_serialize_container(std::ofstream& out, t_type* ttype, std::string prefix = "");
+
+ void generate_serialize_map_element(std::ofstream& out,
+ t_map* tmap,
+ std::string iter,
+ std::string map);
+
+ void generate_serialize_set_element(std::ofstream& out, t_set* tmap, std::string iter);
+
+ void generate_serialize_list_element(std::ofstream& out, t_list* tlist, std::string iter);
+
+ void generate_dart_doc(std::ofstream& out, t_doc* tdoc);
+
+ void generate_dart_doc(std::ofstream& out, t_function* tdoc);
+
+ /**
+ * Helper rendering functions
+ */
+
+ std::string dart_library(string file_name);
+ std::string service_imports();
+ std::string dart_thrift_imports();
+ std::string type_name(t_type* ttype);
+ std::string base_type_name(t_base_type* tbase);
+ std::string declare_field(t_field* tfield, bool init = false);
+ std::string function_signature(t_function* tfunction);
+ std::string argument_list(t_struct* tstruct);
+ std::string type_to_enum(t_type* ttype);
+ std::string get_enum_class_name(t_type* type);
+
+ bool type_can_be_null(t_type* ttype) {
+ ttype = get_true_type(ttype);
+
+ return ttype->is_container() || ttype->is_struct() || ttype->is_xception()
+ || ttype->is_string();
+ }
+
+ std::string constant_name(std::string name);
+
+private:
+ std::ofstream f_service_;
+
+ std::string library_name_;
+
+ std::string base_dir_;
+ std::string src_dir_;
+ std::string library_exports_;
+};
+
+/**
+ * Prepares for file generation by opening up the necessary file output
+ * streams.
+ *
+ * @param tprogram The program to generate
+ */
+void t_dart_generator::init_generator() {
+ MKDIR(get_out_dir().c_str());
+
+ if (library_name_.empty()) {
+ library_name_ = program_->get_namespace("dart");
+ }
+ if (library_name_.empty()) {
+ library_name_ = program_->get_name();
+ }
+ library_name_ = replace_all(library_name_, ".", "_");
+
+ string subdir = get_out_dir() + "/" + library_name_;
+ MKDIR(subdir.c_str());
+
+ base_dir_ = subdir;
+ subdir += "/lib";
+ MKDIR(subdir.c_str());
+
+ subdir += "/src";
+ MKDIR(subdir.c_str());
+ src_dir_ = subdir;
+}
+
+/**
+ * The Dart library
+ *
+ * @return String of the library, e.g. "library myservice;"
+ */
+string t_dart_generator::dart_library(string file_name) {
+ string out = "library ";
+ if (!library_name_.empty()) {
+ out += library_name_;
+ }
+ if (!file_name.empty()) {
+ out += ".src." + file_name;
+ }
+ return out + ";\n";
+}
+
+/**
+ * Prints imports for services
+ *
+ * @return List of imports for services
+ */
+string t_dart_generator::service_imports() {
+ return "import 'dart:async';" + endl;
+}
+
+/**
+ * Prints standard dart imports
+ *
+ * @return List of imports necessary for thrift
+ */
+string t_dart_generator::dart_thrift_imports() {
+ string imports = "import 'dart:typed_data' show Uint8List;" + endl +
+ "import 'package:thrift/thrift.dart';" + endl +
+ "import 'package:" + library_name_ + "/" + library_name_ + ".dart';" + endl;
+
+ // add imports for included thrift files
+ const vector<t_program*>& includes = program_->get_includes();
+ for (size_t i = 0; i < includes.size(); ++i) {
+ string include_name = includes[i]->get_namespace("dart");
+ imports += "import 'package:" + include_name + "/" + include_name + ".dart';" + endl;
+ }
+
+ return imports;
+}
+
+/**
+ * Not used
+ */
+void t_dart_generator::close_generator() {
+ generate_dart_library();
+ generate_dart_pubspec();
+}
+
+void t_dart_generator::generate_dart_library() {
+ string f_library_name = base_dir_ + "/lib/" + library_name_ + ".dart";
+ ofstream f_library;
+ f_library.open(f_library_name.c_str());
+
+ f_library << autogen_comment() << endl;
+ f_library << "library " << library_name_ << ";" << endl2;
+ f_library << library_exports_;
+
+ f_library.close();
+}
+
+void t_dart_generator::export_class_to_library(string file_name, string class_name) {
+ library_exports_ += "export 'src/" + file_name + ".dart' show " + class_name + ";" + endl;
+}
+
+void t_dart_generator::generate_dart_pubspec() {
+ string f_pubspec_name = base_dir_ + "/pubspec.yaml";
+ ofstream f_pubspec;
+ f_pubspec.open(f_pubspec_name.c_str());
+
+ indent(f_pubspec) << "name: " << library_name_ << endl;
+ indent(f_pubspec) << "version: 0.0.1" << endl;
+ indent(f_pubspec) << "description: Autogenerated by Thrift Compiler" << endl;
+ f_pubspec << endl;
+
+ indent(f_pubspec) << "environment:" << endl;
+ indent_up();
+ indent(f_pubspec) << "sdk: ^1.12.0" << endl;
+ indent_down();
+ f_pubspec << endl;
+
+ indent(f_pubspec) << "dependencies:" << endl;
+ indent_up();
+ indent(f_pubspec) << "thrift: # ^" << dart_thrift_version << endl;
+ indent_up();
+ indent(f_pubspec) << "path: ../../../../lib/dart" << endl;
+ indent_down();
+
+ // add included thrift files as dependencies
+ const vector<t_program*>& includes = program_->get_includes();
+ for (size_t i = 0; i < includes.size(); ++i) {
+ string include_name = includes[i]->get_namespace("dart");
+ indent(f_pubspec) << include_name << ":" << endl;
+ indent_up();
+ indent(f_pubspec) << "path: ../" << include_name << endl;
+ indent_down();
+ }
+
+ indent_down();
+ f_pubspec << endl;
+
+ f_pubspec.close();
+}
+
+/**
+ * Not used
+ *
+ * @param ttypedef The type definition
+ */
+void t_dart_generator::generate_typedef(t_typedef* ttypedef) {
+ (void)ttypedef;
+}
+
+/**
+ * Enums are a class with a set of static constants.
+ *
+ * @param tenum The enumeration
+ */
+void t_dart_generator::generate_enum(t_enum* tenum) {
+ // Make output file
+ string file_name = get_file_name(tenum->get_name());
+
+ string f_enum_name = src_dir_ + "/" + file_name + ".dart";
+ ofstream f_enum;
+ f_enum.open(f_enum_name.c_str());
+
+ // Comment and add library
+ f_enum << autogen_comment() << dart_library(file_name) << endl;
+
+ string class_name = tenum->get_name();
+ export_class_to_library(file_name, class_name);
+ f_enum << "class " << class_name;
+ scope_up(f_enum);
+
+ vector<t_enum_value*> constants = tenum->get_constants();
+ vector<t_enum_value*>::iterator c_iter;
+ for (c_iter = constants.begin(); c_iter != constants.end(); ++c_iter) {
+ int value = (*c_iter)->get_value();
+ indent(f_enum) << "static const int " << (*c_iter)->get_name() << " = " << value << ";"
+ << endl;
+ }
+
+ // Create a static Set with all valid values for this enum
+ f_enum << endl;
+
+ indent(f_enum) << "static final Set<int> VALID_VALUES = new Set.from([" << endl;
+ indent_up();
+ bool firstValue = true;
+ for (c_iter = constants.begin(); c_iter != constants.end(); ++c_iter) {
+ // populate set
+ indent(f_enum) << (firstValue ? "" : ", ");
+ f_enum << (*c_iter)->get_name() << endl;
+ firstValue = false;
+ }
+ indent_down();
+ indent(f_enum) << "]);" << endl;
+
+ indent(f_enum) << "static final Map<int, String> VALUES_TO_NAMES = {" << endl;
+ indent_up();
+ firstValue = true;
+ for (c_iter = constants.begin(); c_iter != constants.end(); ++c_iter) {
+ indent(f_enum) << (firstValue ? "" : ", ");
+ f_enum << (*c_iter)->get_name() << ": '" << (*c_iter)->get_name() << "'" << endl;
+ firstValue = false;
+ }
+ indent_down();
+ indent(f_enum) << "};" << endl;
+
+ scope_down(f_enum); // end class
+
+ f_enum.close();
+}
+
+/**
+ * Generates a class that holds all the constants.
+ */
+void t_dart_generator::generate_consts(std::vector<t_const*> consts) {
+ if (consts.empty()) {
+ return;
+ }
+
+ string class_name = get_cap_name(program_name_) + "Constants";
+ string file_name = get_file_name(class_name);
+
+ string f_consts_name = src_dir_ + "/" + file_name + ".dart";
+ ofstream f_consts;
+ f_consts.open(f_consts_name.c_str());
+
+ // Print header
+ f_consts << autogen_comment() << dart_library(file_name) << endl;
+
+ export_class_to_library(file_name, class_name);
+ indent(f_consts) << "class " << class_name;
+ scope_up(f_consts);
+
+ vector<t_const*>::iterator c_iter;
+ for (c_iter = consts.begin(); c_iter != consts.end(); ++c_iter) {
+ print_const_value(f_consts,
+ (*c_iter)->get_name(),
+ (*c_iter)->get_type(),
+ (*c_iter)->get_value(),
+ false);
+ f_consts << endl;
+ }
+
+ scope_down(f_consts);
+
+ f_consts.close();
+}
+
+void t_dart_generator::print_const_value(std::ofstream& out,
+ string name,
+ t_type* type,
+ t_const_value* value,
+ bool in_static,
+ bool defval) {
+ type = get_true_type(type);
+
+ indent(out);
+ if (!defval) {
+ out << (in_static ? "var " : "static final ");
+ }
+ if (type->is_base_type()) {
+ if (!defval) {
+ out << type_name(type) << " ";
+ }
+ string v2 = render_const_value(out, name, type, value);
+ out << name;
+ out << " = " << v2 << ";" << endl << endl;
+ } else if (type->is_enum()) {
+ if (!defval) {
+ out << type_name(type) << " ";
+ }
+ out << name;
+ out << " = " << value->get_integer() << ";" << endl << endl;
+ } else if (type->is_struct() || type->is_xception()) {
+ const vector<t_field*>& fields = ((t_struct*)type)->get_members();
+ vector<t_field*>::const_iterator f_iter;
+ const map<t_const_value*, t_const_value*>& val = value->get_map();
+ map<t_const_value*, t_const_value*>::const_iterator v_iter;
+ out << type_name(type) << " " << name << " = new " << type_name(type) << "();"
+ << endl;
+ for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) {
+ t_type* field_type = NULL;
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ if ((*f_iter)->get_name() == v_iter->first->get_string()) {
+ field_type = (*f_iter)->get_type();
+ }
+ }
+ if (field_type == NULL) {
+ throw "type error: " + type->get_name() + " has no field " + v_iter->first->get_string();
+ }
+ string val = render_const_value(out, name, field_type, v_iter->second);
+ indent(out) << name << ".";
+ out << v_iter->first->get_string() << " = " << val << ";" << endl;
+ }
+ out << endl;
+ } else if (type->is_map()) {
+ if (!defval) {
+ out << type_name(type) << " ";
+ }
+ out << name << " =";
+ scope_up(out);
+
+ t_type* ktype = ((t_map*)type)->get_key_type();
+ t_type* vtype = ((t_map*)type)->get_val_type();
+ const map<t_const_value*, t_const_value*>& val = value->get_map();
+ map<t_const_value*, t_const_value*>::const_iterator v_iter;
+
+ for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) {
+ string key = render_const_value(out, name, ktype, v_iter->first);
+ string val = render_const_value(out, name, vtype, v_iter->second);
+ indent(out) << key << ": " << val << "," << endl;
+ }
+ scope_down(out, ";" + endl);
+
+ out << endl;
+ } else if (type->is_list() || type->is_set()) {
+ if (!defval) {
+ out << type_name(type) << " ";
+ }
+ out << name << " = ";
+ t_type* etype;
+ if (type->is_list()) {
+ out << "[" << endl;
+ etype = ((t_list*)type)->get_elem_type();
+ } else {
+ out << "new " << type_name(type) << ".from([" << endl;
+ etype = ((t_set*)type)->get_elem_type();
+ }
+ const vector<t_const_value*>& val = value->get_list();
+ vector<t_const_value*>::const_iterator v_iter;
+
+ indent_up();
+ for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) {
+ string val = render_const_value(out, name, etype, *v_iter);
+ indent(out) << val << "," << endl;
+ }
+ indent_down();
+
+ if (type->is_list()) {
+ indent(out) << "];" << endl;
+ } else {
+ indent(out) << "]);" << endl;
+ }
+
+ } else {
+ throw "compiler error: no const of type " + type->get_name();
+ }
+}
+
+string t_dart_generator::render_const_value(ofstream& out,
+ string name,
+ t_type* type,
+ t_const_value* value) {
+ (void)name;
+ type = get_true_type(type);
+ std::ostringstream render;
+
+ if (type->is_base_type()) {
+ t_base_type::t_base tbase = ((t_base_type*)type)->get_base();
+ switch (tbase) {
+ case t_base_type::TYPE_STRING:
+ render << "'" << get_escaped_string(value) << "'";
+ break;
+ case t_base_type::TYPE_BOOL:
+ render << ((value->get_integer() > 0) ? "true" : "false");
+ break;
+ case t_base_type::TYPE_BYTE:
+ case t_base_type::TYPE_I16:
+ case t_base_type::TYPE_I32:
+ case t_base_type::TYPE_I64:
+ render << value->get_integer();
+ break;
+ case t_base_type::TYPE_DOUBLE:
+ if (value->get_type() == t_const_value::CV_INTEGER) {
+ render << value->get_integer();
+ } else {
+ render << value->get_double();
+ }
+ break;
+ default:
+ throw "compiler error: no const of base type " + t_base_type::t_base_name(tbase);
+ }
+ } else if (type->is_enum()) {
+ render << value->get_integer();
+ } else {
+ string t = tmp("tmp");
+ print_const_value(out, t, type, value, true);
+ out << endl;
+ render << t;
+ }
+
+ return render.str();
+}
+
+/**
+ * Generates a struct definition for a thrift data type. This is a class
+ * with data members, read(), write(), and an inner Isset class.
+ *
+ * @param tstruct The struct definition
+ */
+void t_dart_generator::generate_struct(t_struct* tstruct) {
+ generate_dart_struct(tstruct, false);
+}
+
+/**
+ * Exceptions are structs, but they inherit from Exception
+ *
+ * @param tstruct The struct definition
+ */
+void t_dart_generator::generate_xception(t_struct* txception) {
+ generate_dart_struct(txception, true);
+}
+
+/**
+ * Dart struct definition.
+ *
+ * @param tstruct The struct definition
+ */
+void t_dart_generator::generate_dart_struct(t_struct* tstruct, bool is_exception) {
+ string file_name = get_file_name(tstruct->get_name());
+ string f_struct_name = src_dir_ + "/" + file_name + ".dart";
+ ofstream f_struct;
+ f_struct.open(f_struct_name.c_str());
+
+ f_struct << autogen_comment() << dart_library(file_name) << endl;
+
+ string imports;
+
+ f_struct << dart_thrift_imports() << endl;
+
+ generate_dart_struct_definition(f_struct, tstruct, is_exception, false, file_name);
+
+ f_struct.close();
+}
+
+/**
+ * Dart struct definition. This has various parameters, as it could be
+ * generated standalone or inside another class as a helper. If it
+ * is a helper than it is a static class.
+ *
+ * @param tstruct The struct definition
+ * @param is_exception Is this an exception?
+ * @param in_class If inside a class, needs to be static class
+ * @param is_result If this is a result it needs a different writer
+ */
+void t_dart_generator::generate_dart_struct_definition(ofstream& out,
+ t_struct* tstruct,
+ bool is_exception,
+ bool is_result,
+ string export_file_name) {
+ generate_dart_doc(out, tstruct);
+
+ string class_name = tstruct->get_name();
+ if (!export_file_name.empty()) {
+ export_class_to_library(export_file_name, class_name);
+ }
+ indent(out) << "class " << class_name << " ";
+
+ if (is_exception) {
+ out << "extends Error ";
+ }
+ out << "implements TBase";
+ scope_up(out);
+
+ indent(out) << "static final TStruct _STRUCT_DESC = new TStruct(\"" << class_name
+ << "\");" << endl;
+
+ // Members are public for -dart, private for -dartbean
+ const vector<t_field*>& members = tstruct->get_members();
+ vector<t_field*>::const_iterator m_iter;
+
+ for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+ indent(out) << "static final TField _" << constant_name((*m_iter)->get_name())
+ << "_FIELD_DESC = new TField(\"" << (*m_iter)->get_name() << "\", "
+ << type_to_enum((*m_iter)->get_type()) << ", " << (*m_iter)->get_key() << ");"
+ << endl;
+ }
+
+ out << endl;
+
+ for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+ generate_dart_doc(out, *m_iter);
+ indent(out) << type_name((*m_iter)->get_type()) + " _"
+ << get_field_name((*m_iter)->get_name()) << ";" << endl;
+
+ indent(out) << "static const int " << upcase_string((*m_iter)->get_name())
+ << " = " << (*m_iter)->get_key() << ";" << endl;
+ }
+
+ out << endl;
+
+ // Inner Isset class
+ if (members.size() > 0) {
+ for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) {
+ if (!type_can_be_null((*m_iter)->get_type())) {
+ string field_name = get_field_name((*m_iter)->get_name());
+ indent(out) << "bool __isset_" << field_name << " = false;" << endl;
+ }
+ }
+ }
+
+ out << endl;
+
+ // Default constructor
+ indent(out) << tstruct->get_name() << "()";
+ scope_up(out);
+ 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) {
+ print_const_value(out,
+ "this." + (*m_iter)->get_name(),
+ t,
+ (*m_iter)->get_value(),
+ true,
+ true);
+ }
+ }
+ scope_down(out);
+ out << endl;
+
+ generate_dart_bean_boilerplate(out, tstruct);
+ generate_generic_field_getters(out, tstruct);
+ generate_generic_field_setters(out, tstruct);
+ generate_generic_isset_method(out, tstruct);
+
+ generate_dart_struct_reader(out, tstruct);
+ if (is_result) {
+ generate_dart_struct_result_writer(out, tstruct);
+ } else {
+ generate_dart_struct_writer(out, tstruct);
+ }
+ generate_dart_struct_tostring(out, tstruct);
+ generate_dart_validator(out, tstruct);
+ scope_down(out);
+ out << endl;
+}
+
+/**
+ * Generates a function to read all the fields of the struct.
+ *
+ * @param tstruct The struct definition
+ */
+void t_dart_generator::generate_dart_struct_reader(ofstream& out, t_struct* tstruct) {
+ indent(out) << "read(TProtocol iprot)";
+ scope_up(out);
+
+ const vector<t_field*>& fields = tstruct->get_members();
+ vector<t_field*>::const_iterator f_iter;
+
+ // Declare stack tmp variables and read struct header
+ indent(out) << "TField field;" << endl;
+ indent(out) << "iprot.readStructBegin();" << endl;
+
+ // Loop over reading in fields
+ indent(out) << "while (true)";
+ scope_up(out);
+
+ // Read beginning field marker
+ indent(out) << "field = iprot.readFieldBegin();" << endl;
+
+ // Check for field STOP marker and break
+ indent(out) << "if (field.type == TType.STOP)";
+ scope_up(out);
+ indent(out) << "break;" << endl;
+ scope_down(out);
+
+ // Switch statement on the field we are reading
+ indent(out) << "switch (field.id)";
+ scope_up(out);
+
+ // Generate deserialization code for known cases
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ indent(out) << "case " << upcase_string((*f_iter)->get_name()) << ":" << endl;
+ indent_up();
+
+ indent(out) << "if (field.type == " << type_to_enum((*f_iter)->get_type()) << ")";
+ scope_up(out);
+
+ generate_deserialize_field(out, *f_iter, "this.");
+ generate_isset_set(out, *f_iter);
+
+ scope_down(out, " else");
+ scope_up(out);
+ indent(out) << "TProtocolUtil.skip(iprot, field.type);" << endl;
+ scope_down(out);
+
+ indent(out) << "break;" << endl;
+ indent_down();
+ }
+
+ // In the default case we skip the field
+ indent(out) << "default:" << endl;
+ indent_up();
+ indent(out) << "TProtocolUtil.skip(iprot, field.type);" << endl;
+ indent(out) << "break;" << endl;
+ indent_down();
+
+ scope_down(out);
+
+ // Read field end marker
+ indent(out) << "iprot.readFieldEnd();" << endl;
+
+ scope_down(out);
+
+ indent(out) << "iprot.readStructEnd();" << endl2;
+
+ // in non-beans style, check for required fields of primitive type
+ // (which can be checked here but not in the general validate method)
+ indent(out) << "// check for required fields of primitive type, which can't be "
+ "checked in the validate method" << endl;
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ if ((*f_iter)->get_req() == t_field::T_REQUIRED && !type_can_be_null((*f_iter)->get_type())) {
+ string field_name = get_field_name((*f_iter)->get_name());
+ indent(out) << "if (!__isset_" << field_name << ")";
+ scope_up(out);
+ indent(out) << " throw new TProtocolError(TProtocolErrorType.UNKNOWN, \"Required field '"
+ << field_name
+ << "' was not found in serialized data! Struct: \" + toString());" << endl;
+ scope_down(out, endl2);
+ }
+ }
+
+ // performs various checks (e.g. check that all required fields are set)
+ indent(out) << "validate();" << endl;
+
+ scope_down(out, endl2);
+}
+
+// generates dart method to perform various checks
+// (e.g. check that all required fields are set)
+void t_dart_generator::generate_dart_validator(ofstream& out, t_struct* tstruct) {
+ indent(out) << "validate()";
+ scope_up(out);
+
+ const vector<t_field*>& fields = tstruct->get_members();
+ vector<t_field*>::const_iterator f_iter;
+
+ indent(out) << "// check for required fields" << endl;
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ if ((*f_iter)->get_req() == t_field::T_REQUIRED) {
+ string field_name = get_field_name((*f_iter)->get_name());
+ if (type_can_be_null((*f_iter)->get_type())) {
+ indent(out) << "if (" << field_name << " == null)";
+ scope_up(out);
+ indent(out) << "throw new TProtocolError(TProtocolErrorType.UNKNOWN, \"Required field '"
+ << field_name << "' was not present! Struct: \" + toString());"
+ << endl;
+ scope_down(out);
+ } else {
+ indent(out) << "// alas, we cannot check '" << field_name
+ << "' because it's a primitive and you chose the non-beans generator." << endl;
+ }
+ }
+ }
+
+ // check that fields of type enum have valid values
+ indent(out) << "// check that fields of type enum have valid values" << endl;
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ t_field* field = (*f_iter);
+ t_type* type = field->get_type();
+ // if field is an enum, check that its value is valid
+ if (type->is_enum()) {
+ string field_name = get_field_name(field->get_name());
+ indent(out) << "if (" << generate_isset_check(field) << " && !" << get_enum_class_name(type)
+ << ".VALID_VALUES.contains(" << field_name << "))";
+ scope_up(out);
+ indent(out) << "throw new TProtocolError(TProtocolErrorType.UNKNOWN, \"The field '"
+ << field_name << "' has been assigned the invalid value "
+ << "$" << field_name << "\");" << endl;
+ scope_down(out);
+ }
+ }
+
+ scope_down(out, endl2);
+}
+
+/**
+ * Generates a function to write all the fields of the struct
+ *
+ * @param tstruct The struct definition
+ */
+void t_dart_generator::generate_dart_struct_writer(ofstream& out, t_struct* tstruct) {
+ out << indent() << "write(TProtocol oprot)";
+ scope_up(out);
+
+ string name = tstruct->get_name();
+ const vector<t_field*>& fields = tstruct->get_sorted_members();
+ vector<t_field*>::const_iterator f_iter;
+
+ // performs various checks (e.g. check that all required fields are set)
+ indent(out) << "validate();" << endl2;
+
+ indent(out) << "oprot.writeStructBegin(_STRUCT_DESC);" << endl;
+
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ string field_name = get_field_name((*f_iter)->get_name());
+ bool null_allowed = type_can_be_null((*f_iter)->get_type());
+ if (null_allowed) {
+ indent(out) << "if (this." << field_name << " != null)";
+ scope_up(out);
+ }
+
+ indent(out) << "oprot.writeFieldBegin(_" << constant_name((*f_iter)->get_name())
+ << "_FIELD_DESC);" << endl;
+
+ // Write field contents
+ generate_serialize_field(out, *f_iter, "this.");
+
+ // Write field closer
+ indent(out) << "oprot.writeFieldEnd();" << endl;
+
+ if (null_allowed) {
+ scope_down(out);
+ }
+ }
+ // Write the struct map
+ indent(out) << "oprot.writeFieldStop();" << endl << indent() << "oprot.writeStructEnd();"
+ << endl;
+
+ scope_down(out, endl2);
+}
+
+/**
+ * Generates a function to write all the fields of the struct,
+ * which is a function result. These fields are only written
+ * if they are set in the Isset array, and only one of them
+ * can be set at a time.
+ *
+ * @param tstruct The struct definition
+ */
+void t_dart_generator::generate_dart_struct_result_writer(ofstream& out, t_struct* tstruct) {
+ indent(out) << "write(TProtocol oprot)";
+ scope_up(out);
+
+ string name = tstruct->get_name();
+ const vector<t_field*>& fields = tstruct->get_sorted_members();
+ vector<t_field*>::const_iterator f_iter;
+
+ indent(out) << "oprot.writeStructBegin(_STRUCT_DESC);" << endl2;
+
+ bool first = true;
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ if (first) {
+ first = false;
+ indent(out) << "if ";
+ } else {
+ out << " else if ";
+ }
+
+ out << "(this." << generate_isset_check(*f_iter) << ")";
+ scope_up(out);
+
+ indent(out) << "oprot.writeFieldBegin(_" << constant_name((*f_iter)->get_name())
+ << "_FIELD_DESC);" << endl;
+
+ // Write field contents
+ generate_serialize_field(out, *f_iter, "this.");
+
+ // Write field closer
+ indent(out) << "oprot.writeFieldEnd();" << endl;
+
+ scope_down(out, "");
+ }
+ out << endl;
+
+ // Write the struct map
+ indent(out) << "oprot.writeFieldStop();" << endl << indent()
+ << "oprot.writeStructEnd();" << endl;
+
+ scope_down(out, endl2);
+}
+
+void t_dart_generator::generate_generic_field_getters(std::ofstream& out,
+ t_struct* tstruct) {
+ // create the getter
+ indent(out) << "getFieldValue(int fieldID)";
+ scope_up(out);
+
+ indent(out) << "switch (fieldID)";
+ scope_up(out);
+
+ const vector<t_field*>& fields = tstruct->get_members();
+ vector<t_field*>::const_iterator f_iter;
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ t_field* field = *f_iter;
+ std::string field_name = get_field_name(field->get_name());
+
+ indent(out) << "case " << upcase_string(field_name) << ":" << endl;
+ indent_up();
+ indent(out) << "return this." << field_name << ";" << endl;
+ indent_down();
+ }
+
+ indent(out) << "default:" << endl;
+ indent_up();
+ indent(out) << "throw new ArgumentError(\"Field $fieldID doesn't exist!\");" << endl;
+ indent_down();
+
+ scope_down(out); // switch
+ scope_down(out, endl2); // method
+}
+
+void t_dart_generator::generate_generic_field_setters(std::ofstream& out,
+ t_struct* tstruct) {
+
+ // create the setter
+ indent(out) << "setFieldValue(int fieldID, Object value)";
+ scope_up(out);
+
+ indent(out) << "switch (fieldID)";
+ scope_up(out);
+
+ // build up the bodies of both the getter and setter at once
+ const vector<t_field*>& fields = tstruct->get_members();
+ vector<t_field*>::const_iterator f_iter;
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ t_field* field = *f_iter;
+ std::string field_name = get_field_name(field->get_name());
+
+ indent(out) << "case " << upcase_string(field_name) << ":" << endl;
+ indent_up();
+
+ indent(out) << "if (value == null)";
+ scope_up(out);
+ indent(out) << "unset" << get_cap_name(field_name) << "();" << endl;
+
+ scope_down(out, " else");
+ scope_up(out);
+ indent(out) << "this." << field_name << " = value;" << endl;
+ scope_down(out);
+
+ indent(out) << "break;" << endl;
+
+ indent_down();
+ out << endl;
+ }
+
+ indent(out) << "default:" << endl;
+ indent_up();
+ indent(out) << "throw new ArgumentError(\"Field $fieldID doesn't exist!\");" << endl;
+ indent_down();
+
+ scope_down(out); // switch
+ scope_down(out, endl2); // method
+}
+
+// Creates a generic isSet method that takes the field number as argument
+void t_dart_generator::generate_generic_isset_method(std::ofstream& out, t_struct* tstruct) {
+ const vector<t_field*>& fields = tstruct->get_members();
+ vector<t_field*>::const_iterator f_iter;
+
+ // create the isSet method
+ indent(out) << "// Returns true if field corresponding to fieldID is set (has been assigned a "
+ "value) and false otherwise" << endl;
+ indent(out) << "bool isSet(int fieldID)";
+ scope_up(out);
+
+ indent(out) << "switch (fieldID)";
+ scope_up(out);
+
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ t_field* field = *f_iter;
+ indent(out) << "case " << upcase_string(field->get_name()) << ":" << endl;
+ indent_up();
+ indent(out) << "return " << generate_isset_check(field) << ";" << endl;
+ indent_down();
+ }
+
+ indent(out) << "default:" << endl;
+ indent_up();
+ indent(out) << "throw new ArgumentError(\"Field $fieldID doesn't exist!\");" << endl;
+ indent_down();
+
+ scope_down(out); // switch
+ scope_down(out, endl2); // method
+}
+
+/**
+ * Generates a set of Dart Bean boilerplate functions (setters, getters, etc.)
+ * for the given struct.
+ *
+ * @param tstruct The struct definition
+ */
+void t_dart_generator::generate_dart_bean_boilerplate(ofstream& out,
+ t_struct* tstruct) {
+ const vector<t_field*>& fields = tstruct->get_members();
+ vector<t_field*>::const_iterator f_iter;
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ t_field* field = *f_iter;
+ t_type* type = get_true_type(field->get_type());
+ std::string field_name = get_field_name(field->get_name());
+ std::string cap_name = get_cap_name(field_name);
+
+ indent(out) << "// " << field_name << endl;
+
+ // Simple getter
+ generate_dart_doc(out, field);
+ indent(out) << type_name(type) << " get " << field_name << " => this._" << field_name << ";" << endl2;
+
+ // Simple setter
+ generate_dart_doc(out, field);
+ indent(out) << "set " << field_name << "(" << type_name(type) << " " << field_name << ")";
+ scope_up(out);
+ indent(out) << "this._" << field_name << " = " << field_name << ";" << endl;
+ generate_isset_set(out, field);
+ scope_down(out, endl2);
+
+ // isSet method
+ indent(out) << "bool is" << get_cap_name("set") << cap_name << "()";
+ if (type_can_be_null(type)) {
+ out << " => this." << field_name << " != null;" << endl2;
+ } else {
+ out << " => this.__isset_" << field_name << ";" << endl2;
+ }
+
+ // Unsetter
+ indent(out) << "unset" << cap_name << "()";
+ scope_up(out);
+ if (type_can_be_null(type)) {
+ indent(out) << "this." << field_name << " = null;" << endl;
+ } else {
+ indent(out) << "this.__isset_" << field_name << " = false;" << endl;
+ }
+ scope_down(out, endl2);
+ }
+}
+
+/**
+ * Generates a toString() method for the given struct
+ *
+ * @param tstruct The struct definition
+ */
+void t_dart_generator::generate_dart_struct_tostring(ofstream& out,
+ t_struct* tstruct) {
+ indent(out) << "String toString()";
+ scope_up(out);
+
+ indent(out) << "StringBuffer ret = new StringBuffer(\""
+ << tstruct->get_name() << "(\");" << endl2;
+
+ const vector<t_field*>& fields = tstruct->get_members();
+ vector<t_field*>::const_iterator f_iter;
+
+ bool first = true;
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ bool could_be_unset = (*f_iter)->get_req() == t_field::T_OPTIONAL;
+ if (could_be_unset) {
+ indent(out) << "if (" << generate_isset_check(*f_iter) << ")";
+ scope_up(out);
+ }
+
+ t_field* field = (*f_iter);
+ std::string field_name = get_field_name(field->get_name());
+
+ if (!first) {
+ indent(out) << "ret.write(\", \");" << endl;
+ }
+ indent(out) << "ret.write(\"" << field_name << ":\");" << endl;
+ bool can_be_null = type_can_be_null(field->get_type());
+ if (can_be_null) {
+ indent(out) << "if (this." << field_name << " == null)";
+ scope_up(out);
+ indent(out) << "ret.write(\"null\");" << endl;
+ scope_down(out, " else");
+ scope_up(out);
+ }
+
+ if (field->get_type()->is_base_type() && ((t_base_type*)(field->get_type()))->is_binary()) {
+ indent(out) << "ret.write(\"BINARY\");" << endl;
+ } else if (field->get_type()->is_enum()) {
+ indent(out) << "String " << field_name << "_name = "
+ << get_enum_class_name(field->get_type())
+ << ".VALUES_TO_NAMES[this." << field_name << "];" << endl;
+ indent(out) << "if (" << field_name << "_name != null)";
+ scope_up(out);
+ indent(out) << "ret.write(" << field_name << "_name);" << endl;
+ indent(out) << "ret.write(\" (\");" << endl;
+ scope_down(out);
+ indent(out) << "ret.write(this." << field_name << ");" << endl;
+ indent(out) << "if (" << field_name << "_name != null)";
+ scope_up(out);
+ indent(out) << "ret.write(\")\");" << endl;
+ scope_down(out);
+ } else {
+ indent(out) << "ret.write(this." << field_name << ");" << endl;
+ }
+
+ if (can_be_null) {
+ scope_down(out);
+ }
+ if (could_be_unset) {
+ scope_down(out);
+ }
+
+ out << endl;
+ first = false;
+ }
+
+ indent(out) << "ret.write(\")\");" << endl2;
+
+ indent(out) << "return ret.toString();" << endl;
+
+ scope_down(out, endl2);
+}
+
+/**
+ * Returns a string with the dart representation of the given thrift type
+ * (e.g. for the type struct it returns "TType.STRUCT")
+ */
+std::string t_dart_generator::get_dart_type_string(t_type* type) {
+ if (type->is_list()) {
+ return "TType.LIST";
+ } else if (type->is_map()) {
+ return "TType.MAP";
+ } else if (type->is_set()) {
+ return "TType.SET";
+ } else if (type->is_struct() || type->is_xception()) {
+ return "TType.STRUCT";
+ } else if (type->is_enum()) {
+ return "TType.I32";
+ } else if (type->is_typedef()) {
+ return get_dart_type_string(((t_typedef*)type)->get_type());
+ } else if (type->is_base_type()) {
+ switch (((t_base_type*)type)->get_base()) {
+ case t_base_type::TYPE_VOID:
+ return "TType.VOID";
+ break;
+ case t_base_type::TYPE_STRING:
+ return "TType.STRING";
+ break;
+ case t_base_type::TYPE_BOOL:
+ return "TType.BOOL";
+ break;
+ case t_base_type::TYPE_BYTE:
+ return "TType.BYTE";
+ break;
+ case t_base_type::TYPE_I16:
+ return "TType.I16";
+ break;
+ case t_base_type::TYPE_I32:
+ return "TType.I32";
+ break;
+ case t_base_type::TYPE_I64:
+ return "TType.I64";
+ break;
+ case t_base_type::TYPE_DOUBLE:
+ return "TType.DOUBLE";
+ break;
+ default:
+ throw std::runtime_error("Unknown thrift type \"" + type->get_name()
+ + "\" passed to t_dart_generator::get_dart_type_string!");
+ break; // This should never happen!
+ }
+ } else {
+ throw std::runtime_error(
+ "Unknown thrift type \"" + type->get_name()
+ + "\" passed to t_dart_generator::get_dart_type_string!"); // This should never happen!
+ }
+}
+
+void t_dart_generator::generate_service(t_service* tservice) {
+ string file_name = get_file_name(service_name_);
+ string f_service_name = src_dir_ + "/" + file_name + ".dart";
+ f_service_.open(f_service_name.c_str());
+
+ f_service_ << autogen_comment() << dart_library(file_name) << endl;
+ f_service_ << service_imports() << dart_thrift_imports() << endl;
+ f_service_ << endl;
+
+ generate_service_interface(tservice);
+ generate_service_client(tservice);
+ generate_service_server(tservice);
+ generate_service_helpers(tservice);
+
+ f_service_.close();
+}
+
+/**
+ * Generates a service interface definition.
+ *
+ * @param tservice The service to generate a header definition for
+ */
+void t_dart_generator::generate_service_interface(t_service* tservice) {
+ string extends_iface = "";
+ if (tservice->get_extends() != NULL) {
+ extends_iface = " extends " + tservice->get_extends()->get_name();
+ }
+
+ generate_dart_doc(f_service_, tservice);
+
+ string class_name = service_name_;
+ export_class_to_library(get_file_name(service_name_), class_name);
+ indent(f_service_) << "abstract class " << class_name << extends_iface;
+ scope_up(f_service_);
+
+ vector<t_function*> functions = tservice->get_functions();
+ vector<t_function*>::iterator f_iter;
+ for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) {
+ f_service_ << endl;
+ generate_dart_doc(f_service_, *f_iter);
+ indent(f_service_) << function_signature(*f_iter) << ";" << endl;
+ }
+
+ scope_down(f_service_, endl2);
+}
+
+/**
+ * Generates structs for all the service args and return types
+ *
+ * @param tservice The service
+ */
+void t_dart_generator::generate_service_helpers(t_service* tservice) {
+ vector<t_function*> functions = tservice->get_functions();
+ vector<t_function*>::iterator f_iter;
+ for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) {
+ t_struct* ts = (*f_iter)->get_arglist();
+ generate_dart_struct_definition(f_service_, ts, false, false);
+ generate_function_helpers(*f_iter);
+ }
+}
+
+/**
+ * Generates a service client definition.
+ *
+ * @param tservice The service to generate a server for.
+ */
+void t_dart_generator::generate_service_client(t_service* tservice) {
+ string extends = "";
+ string extends_client = "";
+ if (tservice->get_extends() != NULL) {
+ extends = tservice->get_extends()->get_name();
+ extends_client = " extends " + extends + "Client";
+ }
+
+ string class_name = service_name_ + "Client";
+ export_class_to_library(get_file_name(service_name_), class_name);
+ indent(f_service_) << "class " << class_name << extends_client
+ << " implements " << service_name_;
+ scope_up(f_service_);
+ f_service_ << endl;
+
+ indent(f_service_) << class_name << "(TProtocol iprot, [TProtocol oprot = null])";
+
+ if (!extends.empty()) {
+ indent_up();
+ f_service_ << endl;
+ indent(f_service_) << ": super(iprot, oprot);" << endl;
+ indent_down();
+ } else {
+ scope_up(f_service_);
+ indent(f_service_) << "_iprot = iprot;" << endl;
+ indent(f_service_) << "_oprot = (oprot == null) ? iprot : oprot;" << endl;
+ scope_down(f_service_);
+ }
+ f_service_ << endl;
+
+ if (extends.empty()) {
+ indent(f_service_) << "TProtocol _iprot;" << endl2;
+ indent(f_service_) << "TProtocol get iprot => _iprot;" << endl2;
+ indent(f_service_) << "TProtocol _oprot;" << endl2;
+ indent(f_service_) << "TProtocol get oprot => _oprot;" << endl2;
+ indent(f_service_) << "int _seqid = 0;" << endl2;
+ indent(f_service_) << "int get seqid => _seqid;" << endl2;
+ indent(f_service_) << "int nextSeqid() => ++_seqid;" << endl2;
+ }
+
+ // Generate client method implementations
+ vector<t_function*> functions = tservice->get_functions();
+ vector<t_function*>::const_iterator f_iter;
+ for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) {
+ string funname = (*f_iter)->get_name();
+
+ // Open function
+ indent(f_service_) << function_signature(*f_iter) << " async";
+ scope_up(f_service_);
+
+ // Get the struct of function call params
+ t_struct* arg_struct = (*f_iter)->get_arglist();
+
+ string argsname = get_args_class_name((*f_iter)->get_name());
+ vector<t_field*>::const_iterator fld_iter;
+ const vector<t_field*>& fields = arg_struct->get_members();
+
+ // Serialize the request
+ indent(f_service_) << "oprot.writeMessageBegin(new TMessage(\"" << funname << "\", "
+ << ((*f_iter)->is_oneway() ? "TMessageType.ONEWAY" : "TMessageType.CALL")
+ << ", nextSeqid()));" << endl;
+ indent(f_service_) << argsname << " args = new " << argsname << "();" << endl;
+
+ for (fld_iter = fields.begin(); fld_iter != fields.end(); ++fld_iter) {
+ indent(f_service_) << "args." << (*fld_iter)->get_name() << " = "
+ << (*fld_iter)->get_name() << ";" << endl;
+ }
+
+ indent(f_service_) << "args.write(oprot);" << endl;
+ indent(f_service_) << "oprot.writeMessageEnd();" << endl2;
+
+ indent(f_service_) << "await oprot.transport.flush();" << endl2;
+
+ if (!(*f_iter)->is_oneway()) {
+ indent(f_service_) << "TMessage msg = iprot.readMessageBegin();" << endl;
+ indent(f_service_) << "if (msg.type == TMessageType.EXCEPTION)";
+ scope_up(f_service_);
+ indent(f_service_) << "TApplicationError error = TApplicationError.read(iprot);" << endl;
+ indent(f_service_) << "iprot.readMessageEnd();" << endl;
+ indent(f_service_) << "throw error;" << endl;
+ scope_down(f_service_, endl2);
+
+ string result_class = get_result_class_name((*f_iter)->get_name());
+ indent(f_service_) << result_class << " result = new " << result_class << "();" << endl;
+ indent(f_service_) << "result.read(iprot);" << endl;
+ indent(f_service_) << "iprot.readMessageEnd();" << endl;
+
+ // Careful, only return _result if not a void function
+ if (!(*f_iter)->get_returntype()->is_void()) {
+ indent(f_service_) << "if (result." << generate_isset_check("success") << ")";
+ scope_up(f_service_);
+ indent(f_service_) << "return result.success;" << endl;
+ scope_down(f_service_, endl2);
+ }
+
+ 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) {
+ string result_field_name = get_field_name((*x_iter)->get_name());
+ indent(f_service_) << "if (result." << result_field_name << " != null)";
+ scope_up(f_service_);
+ indent(f_service_) << "throw result." << result_field_name << ";" << endl;
+ scope_down(f_service_);
+ }
+
+ // If you get here it's an exception, unless a void function
+ if ((*f_iter)->get_returntype()->is_void()) {
+ indent(f_service_) << "return;" << endl;
+ } else {
+ indent(f_service_) << "throw new TApplicationError(TApplicationErrorType.MISSING_RESULT, \""
+ << (*f_iter)->get_name() << " failed: unknown result\");" << endl;
+ }
+ }
+
+ scope_down(f_service_, endl2);
+ }
+
+ scope_down(f_service_, endl2);
+}
+
+/**
+ * Generates a service server definition.
+ *
+ * @param tservice The service to generate a server for.
+ */
+void t_dart_generator::generate_service_server(t_service* tservice) {
+ // Generate the dispatch methods
+ vector<t_function*> functions = tservice->get_functions();
+ vector<t_function*>::iterator f_iter;
+
+ // typedef
+ indent(f_service_) << "typedef void ProcessFunction(int seqid, TProtocol iprot, TProtocol oprot);" << endl2;
+
+ // Extends stuff
+ string extends = "";
+ string extends_processor = "";
+ if (tservice->get_extends() != NULL) {
+ extends = type_name(tservice->get_extends());
+ extends_processor = " extends " + extends + "Processor";
+ }
+
+ // Generate the header portion
+ string class_name = service_name_ + "Processor";
+ export_class_to_library(get_file_name(service_name_), class_name);
+ indent(f_service_) << "class " << class_name << extends_processor << " implements TProcessor";
+ scope_up(f_service_);
+
+ indent(f_service_) << class_name << "(" << service_name_ << " iface)";
+ if (!extends.empty()) {
+ indent_up();
+ f_service_ << endl;
+ indent(f_service_) << ": super(iface)";
+ indent_down();
+ }
+ scope_up(f_service_);
+
+ if (extends.empty()) {
+ indent(f_service_) << "iface_ = iface;" << endl;
+ }
+
+ for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) {
+ indent(f_service_) << "PROCESS_MAP[\"" << (*f_iter)->get_name()
+ << "\"] = " << (*f_iter)->get_name() << ";" << endl;
+ }
+ scope_down(f_service_, endl2);
+
+ indent(f_service_) << service_name_ << " iface_;" << endl;
+
+ if (extends.empty()) {
+ indent(f_service_) << "final Map<String, ProcessFunction> PROCESS_MAP = {};" << endl;
+ }
+
+ f_service_ << endl;
+
+ // Generate the server implementation
+ indent(f_service_) << "bool process(TProtocol iprot, TProtocol oprot)";
+ scope_up(f_service_);
+ indent(f_service_) << "TMessage msg = iprot.readMessageBegin();" << endl;
+ indent(f_service_) << "ProcessFunction fn = PROCESS_MAP[msg.name];" << endl;
+ indent(f_service_) << "if (fn == null)";
+ scope_up(f_service_);
+ indent(f_service_) << "TProtocolUtil.skip(iprot, TType.STRUCT);" << endl;
+ indent(f_service_) << "iprot.readMessageEnd();" << endl;
+ indent(f_service_) << "TApplicationError x = new TApplicationError(TApplicationErrorType.UNKNOWN_METHOD, "
+ "\"Invalid method name: '\"+msg.name+\"'\");" << endl;
+ indent(f_service_) << "oprot.writeMessageBegin(new TMessage(msg.name, TMessageType.EXCEPTION, msg.seqid));" << endl;
+ indent(f_service_) << "x.write(oprot);" << endl;
+ indent(f_service_) << "oprot.writeMessageEnd();" << endl;
+ indent(f_service_) << "oprot.transport.flush();" << endl;
+ indent(f_service_) << "return true;" << endl;
+ scope_down(f_service_);
+ indent(f_service_) << "fn(msg.seqid, iprot, oprot);" << endl;
+ indent(f_service_) << "return true;" << endl;
+ scope_down(f_service_, endl2); // process function
+
+ // Generate the process subfunctions
+ for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) {
+ generate_process_function(tservice, *f_iter);
+ }
+
+ scope_down(f_service_, endl2); // class
+}
+
+/**
+ * Generates a struct and helpers for a function.
+ *
+ * @param tfunction The function
+ */
+void t_dart_generator::generate_function_helpers(t_function* tfunction) {
+ if (tfunction->is_oneway()) {
+ return;
+ }
+
+ t_struct result(program_, get_result_class_name(tfunction->get_name()));
+ 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_dart_struct_definition(f_service_, &result, false, true);
+}
+
+/**
+ * Generates a process function definition.
+ *
+ * @param tfunction The function to write a dispatcher for
+ */
+void t_dart_generator::generate_process_function(t_service* tservice, t_function* tfunction) {
+ (void)tservice;
+
+ bool await_result = (!tfunction->is_oneway() && !tfunction->get_returntype()->is_void());
+
+ indent(f_service_) << tfunction->get_name() << "(int seqid, TProtocol iprot, TProtocol oprot)";
+ if (await_result) {
+ f_service_ << " async";
+ }
+ scope_up(f_service_);
+
+ string argsname = get_args_class_name(tfunction->get_name());
+ string resultname = get_result_class_name(tfunction->get_name());
+
+ indent(f_service_) << argsname << " args = new " << argsname << "();" << endl;
+ indent(f_service_) << "args.read(iprot);" << endl;
+ indent(f_service_) << "iprot.readMessageEnd();" << endl;
+
+ t_struct* xs = tfunction->get_xceptions();
+ const std::vector<t_field*>& xceptions = xs->get_members();
+ vector<t_field*>::const_iterator x_iter;
+
+ if (!tfunction->is_oneway()) {
+ indent(f_service_) << resultname << " result = new " << resultname << "();" << endl;
+ }
+
+ if (!tfunction->is_oneway() && xceptions.size() > 0) {
+ indent(f_service_) << "try";
+ scope_up(f_service_);
+ }
+
+ // Generate the function call
+ t_struct* arg_struct = tfunction->get_arglist();
+ const std::vector<t_field*>& fields = arg_struct->get_members();
+ vector<t_field*>::const_iterator f_iter;
+
+ f_service_ << indent();
+ if (await_result) {
+ f_service_ << "result.success = await ";
+ }
+ f_service_ << "iface_." << tfunction->get_name() << "(";
+ bool first = true;
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ if (first) {
+ first = false;
+ } else {
+ f_service_ << ", ";
+ }
+ f_service_ << "args." << get_field_name((*f_iter)->get_name());
+ }
+ f_service_ << ");" << endl;
+
+ if (!tfunction->is_oneway() && xceptions.size() > 0) {
+ for (x_iter = xceptions.begin(); x_iter != xceptions.end(); ++x_iter) {
+ string result_field_name = get_field_name((*x_iter)->get_name());
+ scope_down(f_service_, "");
+ f_service_ << " on " << type_name((*x_iter)->get_type())
+ << " catch(" << result_field_name << ")";
+ scope_up(f_service_);
+ if (!tfunction->is_oneway()) {
+ indent(f_service_) << "result." << result_field_name << " = "
+ << result_field_name << ";" << endl;
+ }
+ }
+ scope_down(f_service_, " ");
+ f_service_ << "catch (th)";
+ scope_up(f_service_);
+ indent(f_service_) << "// Internal error" << endl;
+ indent(f_service_) << "TApplicationError x = new "
+ "TApplicationError(TApplicationErrorType.INTERNAL_ERROR, \"Internal error processing "
+ << tfunction->get_name() << "\");" << endl;
+ indent(f_service_) << "oprot.writeMessageBegin(new TMessage(\"" << tfunction->get_name()
+ << "\", TMessageType.EXCEPTION, seqid));" << endl;
+ indent(f_service_) << "x.write(oprot);" << endl;
+ indent(f_service_) << "oprot.writeMessageEnd();" << endl;
+ indent(f_service_) << "oprot.transport.flush();" << endl;
+ indent(f_service_) << "return;" << endl;
+ scope_down(f_service_);
+ }
+
+ if (tfunction->is_oneway()) {
+ indent(f_service_) << "return;" << endl;
+ } else {
+ indent(f_service_) << "oprot.writeMessageBegin(new TMessage(\"" << tfunction->get_name()
+ << "\", TMessageType.REPLY, seqid));" << endl;
+ indent(f_service_) << "result.write(oprot);" << endl;
+ indent(f_service_) << "oprot.writeMessageEnd();" << endl;
+ indent(f_service_) << "oprot.transport.flush();" << endl;
+ }
+
+ scope_down(f_service_, endl2);
+}
+
+/**
+ * Deserializes a field of any type.
+ *
+ * @param tfield The field
+ * @param prefix The variable name or container for this field
+ */
+void t_dart_generator::generate_deserialize_field(ofstream& out, t_field* tfield, string prefix) {
+ t_type* type = get_true_type(tfield->get_type());
+ string field_name = get_field_name(tfield->get_name());
+
+ if (type->is_void()) {
+ throw "CANNOT GENERATE DESERIALIZE CODE FOR void TYPE: " + prefix + field_name;
+ }
+
+ string name = prefix + field_name;
+
+ if (type->is_struct() || type->is_xception()) {
+ generate_deserialize_struct(out, (t_struct*)type, name);
+ } else if (type->is_container()) {
+ generate_deserialize_container(out, type, name);
+ } else if (type->is_base_type() || type->is_enum()) {
+
+ indent(out) << name << " = iprot.";
+
+ if (type->is_base_type()) {
+ t_base_type::t_base tbase = ((t_base_type*)type)->get_base();
+ switch (tbase) {
+ case t_base_type::TYPE_VOID:
+ throw "compiler error: cannot serialize void field in a struct: " + name;
+ break;
+ case t_base_type::TYPE_STRING:
+ if (((t_base_type*)type)->is_binary()) {
+ out << "readBinary();";
+ } else {
+ out << "readString();";
+ }
+ break;
+ case t_base_type::TYPE_BOOL:
+ out << "readBool();";
+ break;
+ case t_base_type::TYPE_BYTE:
+ out << "readByte();";
+ break;
+ case t_base_type::TYPE_I16:
+ out << "readI16();";
+ break;
+ case t_base_type::TYPE_I32:
+ out << "readI32();";
+ break;
+ case t_base_type::TYPE_I64:
+ out << "readI64();";
+ break;
+ case t_base_type::TYPE_DOUBLE:
+ out << "readDouble();";
+ break;
+ default:
+ throw "compiler error: no Dart name for base type " + t_base_type::t_base_name(tbase);
+ }
+ } else if (type->is_enum()) {
+ out << "readI32();";
+ }
+ out << endl;
+ } else {
+ printf("DO NOT KNOW HOW TO DESERIALIZE FIELD '%s' TYPE '%s'\n",
+ field_name.c_str(),
+ type_name(type).c_str());
+ }
+}
+
+/**
+ * Generates an unserializer for a struct, invokes read()
+ */
+void t_dart_generator::generate_deserialize_struct(ofstream& out, t_struct* tstruct, string prefix) {
+ indent(out) << prefix << " = new " << type_name(tstruct) << "();" << endl;
+ indent(out) << prefix << ".read(iprot);" << endl;
+}
+
+/**
+ * Deserializes a container by reading its size and then iterating
+ */
+void t_dart_generator::generate_deserialize_container(ofstream& out, t_type* ttype, string prefix) {
+ indent(out);
+ scope_up(out, "");
+
+ string obj;
+
+ if (ttype->is_map()) {
+ obj = tmp("_map");
+ } else if (ttype->is_set()) {
+ obj = tmp("_set");
+ } else if (ttype->is_list()) {
+ obj = tmp("_list");
+ }
+
+ // Declare variables, read header
+ if (ttype->is_map()) {
+ indent(out) << "TMap " << obj << " = iprot.readMapBegin();" << endl;
+ } else if (ttype->is_set()) {
+ indent(out) << "TSet " << obj << " = iprot.readSetBegin();" << endl;
+ } else if (ttype->is_list()) {
+ indent(out) << "TList " << obj << " = iprot.readListBegin();" << endl;
+ }
+
+ indent(out) << prefix << " = new " << type_name(ttype) << "();" << endl;
+
+ // For loop iterates over elements
+ string i = tmp("_i");
+ indent(out) << "for (int " << i << " = 0; " << i << " < " << obj << ".length"
+ << "; "
+ << "++" << i << ")";
+ scope_up(out);
+
+ if (ttype->is_map()) {
+ generate_deserialize_map_element(out, (t_map*)ttype, prefix);
+ } else if (ttype->is_set()) {
+ generate_deserialize_set_element(out, (t_set*)ttype, prefix);
+ } else if (ttype->is_list()) {
+ generate_deserialize_list_element(out, (t_list*)ttype, prefix);
+ }
+
+ scope_down(out);
+
+ // Read container end
+ if (ttype->is_map()) {
+ indent(out) << "iprot.readMapEnd();" << endl;
+ } else if (ttype->is_set()) {
+ indent(out) << "iprot.readSetEnd();" << endl;
+ } else if (ttype->is_list()) {
+ indent(out) << "iprot.readListEnd();" << endl;
+ }
+
+ scope_down(out);
+}
+
+/**
+ * Generates code to deserialize a map
+ */
+void t_dart_generator::generate_deserialize_map_element(ofstream& out, t_map* tmap, string prefix) {
+ string key = tmp("_key");
+ string val = tmp("_val");
+ t_field fkey(tmap->get_key_type(), key);
+ t_field fval(tmap->get_val_type(), val);
+
+ indent(out) << declare_field(&fkey) << endl;
+ indent(out) << declare_field(&fval) << endl;
+
+ generate_deserialize_field(out, &fkey);
+ generate_deserialize_field(out, &fval);
+
+ indent(out) << prefix << "[" << key << "] = " << val << ";" << endl;
+}
+
+/**
+ * Deserializes a set element
+ */
+void t_dart_generator::generate_deserialize_set_element(ofstream& out, t_set* tset, string prefix) {
+ string elem = tmp("_elem");
+ t_field felem(tset->get_elem_type(), elem);
+
+ indent(out) << declare_field(&felem) << endl;
+
+ generate_deserialize_field(out, &felem);
+
+ indent(out) << prefix << ".add(" << elem << ");" << endl;
+}
+
+/**
+ * Deserializes a list element
+ */
+void t_dart_generator::generate_deserialize_list_element(ofstream& out,
+ t_list* tlist,
+ string prefix) {
+ string elem = tmp("_elem");
+ t_field felem(tlist->get_elem_type(), elem);
+
+ indent(out) << declare_field(&felem) << endl;
+
+ generate_deserialize_field(out, &felem);
+
+ indent(out) << prefix << ".add(" << elem << ");" << endl;
+}
+
+/**
+ * Serializes a field of any type.
+ *
+ * @param tfield The field to serialize
+ * @param prefix Name to prepend to field name
+ */
+void t_dart_generator::generate_serialize_field(ofstream& out, t_field* tfield, string prefix) {
+ t_type* type = get_true_type(tfield->get_type());
+ string field_name = get_field_name(tfield->get_name());
+
+ // Do nothing for void types
+ if (type->is_void()) {
+ throw "CANNOT GENERATE SERIALIZE CODE FOR void TYPE: " + prefix + field_name;
+ }
+
+ if (type->is_struct() || type->is_xception()) {
+ generate_serialize_struct(out, (t_struct*)type, prefix + field_name);
+ } else if (type->is_container()) {
+ generate_serialize_container(out, type, prefix + field_name);
+ } else if (type->is_base_type() || type->is_enum()) {
+
+ string name = prefix + field_name;
+ indent(out) << "oprot.";
+
+ if (type->is_base_type()) {
+ t_base_type::t_base tbase = ((t_base_type*)type)->get_base();
+ switch (tbase) {
+ case t_base_type::TYPE_VOID:
+ throw "compiler error: cannot serialize void field in a struct: " + name;
+ break;
+ case t_base_type::TYPE_STRING:
+ if (((t_base_type*)type)->is_binary()) {
+ out << "writeBinary(" << name << ");";
+ } else {
+ out << "writeString(" << name << ");";
+ }
+ break;
+ case t_base_type::TYPE_BOOL:
+ out << "writeBool(" << name << ");";
+ break;
+ case t_base_type::TYPE_BYTE:
+ out << "writeByte(" << name << ");";
+ break;
+ case t_base_type::TYPE_I16:
+ out << "writeI16(" << name << ");";
+ break;
+ case t_base_type::TYPE_I32:
+ out << "writeI32(" << name << ");";
+ break;
+ case t_base_type::TYPE_I64:
+ out << "writeI64(" << name << ");";
+ break;
+ case t_base_type::TYPE_DOUBLE:
+ out << "writeDouble(" << name << ");";
+ break;
+ default:
+ throw "compiler error: no Dart 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(),
+ field_name.c_str(),
+ type_name(type).c_str());
+ }
+}
+
+/**
+ * Serializes all the members of a struct.
+ *
+ * @param tstruct The struct to serialize
+ * @param prefix String prefix to attach to all fields
+ */
+void t_dart_generator::generate_serialize_struct(ofstream& out, t_struct* tstruct, string prefix) {
+ (void)tstruct;
+ indent(out) << prefix << ".write(oprot);" << endl;
+}
+
+/**
+ * Serializes a container by writing its size then the elements.
+ *
+ * @param ttype The type of container
+ * @param prefix String prefix for fields
+ */
+void t_dart_generator::generate_serialize_container(ofstream& out, t_type* ttype, string prefix) {
+ indent(out);
+ scope_up(out, "");
+
+ if (ttype->is_map()) {
+ string iter = tmp("_key");
+ indent(out) << "oprot.writeMapBegin(new TMap(" << type_to_enum(((t_map*)ttype)->get_key_type())
+ << ", " << type_to_enum(((t_map*)ttype)->get_val_type()) << ", " << prefix << ".length));"
+ << endl;
+ } else if (ttype->is_set()) {
+ indent(out) << "oprot.writeSetBegin(new TSet(" << type_to_enum(((t_set*)ttype)->get_elem_type())
+ << ", " << prefix << ".length));" << endl;
+ } else if (ttype->is_list()) {
+ indent(out) << "oprot.writeListBegin(new TList("
+ << type_to_enum(((t_list*)ttype)->get_elem_type()) << ", " << prefix << ".length));"
+ << endl;
+ }
+
+ string iter = tmp("elem");
+ if (ttype->is_map()) {
+ indent(out) << "for (var " << iter << " in " << prefix << ".keys)";
+ } else if (ttype->is_set() || ttype->is_list()) {
+ indent(out) << "for (var " << iter << " in " << prefix << ")";
+ }
+
+ scope_up(out);
+
+ if (ttype->is_map()) {
+ generate_serialize_map_element(out, (t_map*)ttype, iter, prefix);
+ } else if (ttype->is_set()) {
+ generate_serialize_set_element(out, (t_set*)ttype, iter);
+ } else if (ttype->is_list()) {
+ generate_serialize_list_element(out, (t_list*)ttype, iter);
+ }
+
+ scope_down(out);
+
+ if (ttype->is_map()) {
+ indent(out) << "oprot.writeMapEnd();" << endl;
+ } else if (ttype->is_set()) {
+ indent(out) << "oprot.writeSetEnd();" << endl;
+ } else if (ttype->is_list()) {
+ indent(out) << "oprot.writeListEnd();" << endl;
+ }
+
+ scope_down(out);
+}
+
+/**
+ * Serializes the members of a map.
+ */
+void t_dart_generator::generate_serialize_map_element(ofstream& out,
+ t_map* tmap,
+ string iter,
+ string map) {
+ t_field kfield(tmap->get_key_type(), iter);
+ generate_serialize_field(out, &kfield, "");
+ t_field vfield(tmap->get_val_type(), map + "[" + iter + "]");
+ generate_serialize_field(out, &vfield, "");
+}
+
+/**
+ * Serializes the members of a set.
+ */
+void t_dart_generator::generate_serialize_set_element(ofstream& out, t_set* tset, string iter) {
+ t_field efield(tset->get_elem_type(), iter);
+ generate_serialize_field(out, &efield, "");
+}
+
+/**
+ * Serializes the members of a list.
+ */
+void t_dart_generator::generate_serialize_list_element(ofstream& out, t_list* tlist, string iter) {
+ t_field efield(tlist->get_elem_type(), iter);
+ generate_serialize_field(out, &efield, "");
+}
+
+/**
+ * Returns a Dart type name
+ *
+ * @param ttype The type
+ * @return Dart type name, i.e. Map<Key, Value>
+ */
+string t_dart_generator::type_name(t_type* ttype) {
+ ttype = get_true_type(ttype);
+
+ if (ttype->is_base_type()) {
+ return base_type_name((t_base_type*)ttype);
+ } else if (ttype->is_enum()) {
+ return "int";
+ } else if (ttype->is_map()) {
+ t_map* tmap = (t_map*)ttype;
+ return "Map<" + type_name(tmap->get_key_type()) + ", "
+ + type_name(tmap->get_val_type()) + ">";
+ } else if (ttype->is_set()) {
+ t_set* tset = (t_set*)ttype;
+ return "Set<" + type_name(tset->get_elem_type()) + ">";
+ } else if (ttype->is_list()) {
+ t_list* tlist = (t_list*)ttype;
+ return "List<" + type_name(tlist->get_elem_type()) + ">";
+ }
+
+ return ttype->get_name();
+}
+
+/**
+ * Returns the Dart type that corresponds to the thrift type.
+ *
+ * @param tbase The base type
+ */
+string t_dart_generator::base_type_name(t_base_type* type) {
+ t_base_type::t_base tbase = type->get_base();
+
+ switch (tbase) {
+ case t_base_type::TYPE_VOID:
+ return "void";
+ case t_base_type::TYPE_STRING:
+ if (type->is_binary()) {
+ return "Uint8List";
+ } else {
+ return "String";
+ }
+ case t_base_type::TYPE_BOOL:
+ return "bool";
+ case t_base_type::TYPE_BYTE:
+ case t_base_type::TYPE_I16:
+ case t_base_type::TYPE_I32:
+ case t_base_type::TYPE_I64:
+ return "int";
+ case t_base_type::TYPE_DOUBLE:
+ return "double";
+ default:
+ throw "compiler error: no Dart name for base type " + t_base_type::t_base_name(tbase);
+ }
+}
+
+/**
+ * Declares a field, which may include initialization as necessary.
+ *
+ * @param ttype The type
+ */
+string t_dart_generator::declare_field(t_field* tfield, bool init) {
+ string field_name = get_field_name(tfield->get_name());
+ string result = type_name(tfield->get_type()) + " " + field_name;
+ if (init) {
+ t_type* ttype = get_true_type(tfield->get_type());
+ if (ttype->is_base_type() && tfield->get_value() != NULL) {
+ ofstream dummy;
+ result += " = " + render_const_value(dummy, field_name, ttype, tfield->get_value());
+ } else if (ttype->is_base_type()) {
+ t_base_type::t_base tbase = ((t_base_type*)ttype)->get_base();
+ switch (tbase) {
+ case t_base_type::TYPE_VOID:
+ throw "NO T_VOID CONSTRUCT";
+ case t_base_type::TYPE_STRING:
+ result += " = null";
+ break;
+ case t_base_type::TYPE_BOOL:
+ result += " = false";
+ break;
+ case t_base_type::TYPE_BYTE:
+ case t_base_type::TYPE_I16:
+ case t_base_type::TYPE_I32:
+ case t_base_type::TYPE_I64:
+ result += " = 0";
+ break;
+ case t_base_type::TYPE_DOUBLE:
+ result += " = 0.0";
+ break;
+ }
+
+ } else if (ttype->is_enum()) {
+ result += " = 0";
+ } else if (ttype->is_container()) {
+ result += " = new " + type_name(ttype) + "()";
+ } else {
+ result += " = new " + type_name(ttype) + "()";
+ ;
+ }
+ }
+ return result + ";";
+}
+
+/**
+ * Renders a function signature of the form 'type name(args)'
+ *
+ * @param tfunction Function definition
+ * @return String of rendered function definition
+ */
+string t_dart_generator::function_signature(t_function* tfunction) {
+ std::string arguments = argument_list(tfunction->get_arglist());
+
+ std::string returntype;
+ if (tfunction->get_returntype()->is_void()) {
+ returntype = "Future";
+ } else {
+ returntype = "Future<" + type_name(tfunction->get_returntype()) + ">";
+ }
+
+ std::string result = returntype + " " + tfunction->get_name() + "(" + arguments + ")";
+ return result;
+}
+
+/**
+ * Renders a comma separated field list, with type names
+ */
+string t_dart_generator::argument_list(t_struct* tstruct) {
+ string result = "";
+
+ const vector<t_field*>& fields = tstruct->get_members();
+ vector<t_field*>::const_iterator f_iter;
+ bool first = true;
+ for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) {
+ if (first) {
+ first = false;
+ } else {
+ result += ", ";
+ }
+ string field_name = get_field_name((*f_iter)->get_name());
+ result += type_name((*f_iter)->get_type()) + " " + field_name;
+ }
+ return result;
+}
+
+/**
+ * Converts the parse type to a C++ enum string for the given type.
+ */
+string t_dart_generator::type_to_enum(t_type* type) {
+ type = get_true_type(type);
+
+ if (type->is_base_type()) {
+ t_base_type::t_base tbase = ((t_base_type*)type)->get_base();
+ switch (tbase) {
+ case t_base_type::TYPE_VOID:
+ throw "NO T_VOID CONSTRUCT";
+ case t_base_type::TYPE_STRING:
+ return "TType.STRING";
+ case t_base_type::TYPE_BOOL:
+ return "TType.BOOL";
+ case t_base_type::TYPE_BYTE:
+ return "TType.BYTE";
+ case t_base_type::TYPE_I16:
+ return "TType.I16";
+ case t_base_type::TYPE_I32:
+ return "TType.I32";
+ case t_base_type::TYPE_I64:
+ return "TType.I64";
+ case t_base_type::TYPE_DOUBLE:
+ return "TType.DOUBLE";
+ }
+ } else if (type->is_enum()) {
+ return "TType.I32";
+ } else if (type->is_struct() || type->is_xception()) {
+ return "TType.STRUCT";
+ } else if (type->is_map()) {
+ return "TType.MAP";
+ } else if (type->is_set()) {
+ return "TType.SET";
+ } else if (type->is_list()) {
+ return "TType.LIST";
+ }
+
+ throw "INVALID TYPE IN type_to_enum: " + type->get_name();
+}
+
+std::string t_dart_generator::get_cap_name(std::string name) {
+ name[0] = toupper(name[0]);
+ return name;
+}
+
+std::string t_dart_generator::get_field_name(std::string name) {
+ name[0] = tolower(name[0]);
+ return name;
+}
+
+std::string t_dart_generator::get_args_class_name(std::string name) {
+ return name + "_args";
+}
+
+std::string t_dart_generator::get_result_class_name(std::string name) {
+ return name + "_result";
+}
+
+std::string t_dart_generator::get_file_name(std::string name) {
+ // e.g. change APIForFileIO to api_for_file_io
+
+ string ret;
+ const char* tmp = name.c_str();
+ bool is_prev_lc = true;
+ bool is_current_lc = tmp[0] == tolower(tmp[0]);
+ bool is_next_lc = false;
+
+ for (unsigned int i = 0; i < name.length(); i++) {
+ char lc = tolower(tmp[i]);
+
+ if (i == name.length() - 1) {
+ is_next_lc = false;
+ } else {
+ is_next_lc = (tmp[i+1] == tolower(tmp[i+1]));
+ }
+
+ if (i != 0 && !is_current_lc && (is_prev_lc || is_next_lc)) {
+ ret += "_";
+ }
+ ret += lc;
+
+ is_prev_lc = is_current_lc;
+ is_current_lc = is_next_lc;
+ }
+
+ return ret;
+}
+
+string t_dart_generator::constant_name(string name) {
+ string constant_name;
+
+ bool is_first = true;
+ bool was_previous_char_upper = false;
+ for (string::iterator iter = name.begin(); iter != name.end(); ++iter) {
+ string::value_type character = (*iter);
+
+ bool is_upper = isupper(character);
+
+ if (is_upper && !is_first && !was_previous_char_upper) {
+ constant_name += '_';
+ }
+ constant_name += toupper(character);
+
+ is_first = false;
+ was_previous_char_upper = is_upper;
+ }
+
+ return constant_name;
+}
+
+/**
+ * Emits a doc comment if the provided object has a doc in Thrift
+ */
+void t_dart_generator::generate_dart_doc(ofstream& out, t_doc* tdoc) {
+ if (tdoc->has_doc()) {
+ generate_docstring_comment(out, "", "/// ", tdoc->get_doc(), "");
+ }
+}
+
+/**
+ * Emits a doc comment if the provided function object has a doc in Thrift
+ */
+void t_dart_generator::generate_dart_doc(ofstream& out, t_function* tfunction) {
+ if (tfunction->has_doc()) {
+ stringstream ss;
+ ss << tfunction->get_doc();
+ const vector<t_field*>& fields = tfunction->get_arglist()->get_members();
+ vector<t_field*>::const_iterator p_iter;
+ for (p_iter = fields.begin(); p_iter != fields.end(); ++p_iter) {
+ t_field* p = *p_iter;
+ string field_name = get_field_name(p->get_name());
+ ss << "\n@param " << field_name;
+ if (p->has_doc()) {
+ ss << " " << p->get_doc();
+ }
+ }
+ generate_docstring_comment(out, "", "/// ", ss.str(), "");
+ }
+}
+
+std::string t_dart_generator::generate_isset_check(t_field* field) {
+ string field_name = get_field_name(field->get_name());
+ return generate_isset_check(field_name);
+}
+
+std::string t_dart_generator::generate_isset_check(std::string field_name) {
+ return "is" + get_cap_name("set") + get_cap_name(field_name) + "()";
+}
+
+void t_dart_generator::generate_isset_set(ofstream& out, t_field* field) {
+ if (!type_can_be_null(field->get_type())) {
+ string field_name = get_field_name(field->get_name());
+ indent(out) << "this.__isset_" << field_name << " = true;" << endl;
+ }
+}
+
+std::string t_dart_generator::get_enum_class_name(t_type* type) {
+ return type->get_name();
+}
+
+THRIFT_REGISTER_GENERATOR(
+ dart,
+ "Dart",
+ " library_name=my_library Optional override for library name.\n"
+)
http://git-wip-us.apache.org/repos/asf/thrift/blob/932c4700/configure.ac
----------------------------------------------------------------------
diff --git a/configure.ac b/configure.ac
index 880cc32..e6b3be0 100755
--- a/configure.ac
+++ b/configure.ac
@@ -122,6 +122,7 @@ if test "$enable_libs" = "no"; then
with_perl="no"
with_php="no"
with_php_extension="no"
+ with_dart="no"
with_erlang="no"
with_go="no"
with_d="no"
@@ -325,6 +326,16 @@ AM_CONDITIONAL(WITH_PHP_EXTENSION, [test "$have_php_extension" = "yes"])
AC_PATH_PROG([PHPUNIT], [phpunit])
AM_CONDITIONAL(HAVE_PHPUNIT, [test "x$PHPUNIT" != "x"])
+AX_THRIFT_LIB(dart, [DART], yes)
+if test "$with_dart" = "yes"; then
+ AC_PATH_PROG([DART], [dart])
+ AC_PATH_PROG([DARTPUB], [pub])
+ if test "x$DART" != "x" -a "x$DARTPUB" != "x"; then
+ have_dart="yes"
+ fi
+fi
+AM_CONDITIONAL(WITH_DART, [test "$have_dart" = "yes"])
+
AX_THRIFT_LIB(ruby, [Ruby], yes)
have_ruby=no
if test "$with_ruby" = "yes"; then
@@ -727,6 +738,7 @@ AC_CONFIG_FILES([
lib/perl/test/Makefile
lib/php/Makefile
lib/php/test/Makefile
+ lib/dart/Makefile
lib/py/Makefile
lib/rb/Makefile
lib/lua/Makefile
@@ -738,6 +750,7 @@ AC_CONFIG_FILES([
test/haxe/Makefile
test/hs/Makefile
test/php/Makefile
+ test/dart/Makefile
test/perl/Makefile
test/py/Makefile
test/py.twisted/Makefile
@@ -752,6 +765,7 @@ AC_CONFIG_FILES([
tutorial/java/Makefile
tutorial/js/Makefile
tutorial/nodejs/Makefile
+ tutorial/dart/Makefile
tutorial/py/Makefile
tutorial/py.twisted/Makefile
tutorial/py.tornado/Makefile
@@ -776,6 +790,8 @@ if test "$have_perl" = "yes" ; then MAYBE_PERL="perl" ; else MAYBE_PERL="" ; fi
AC_SUBST([MAYBE_PERL])
if test "$have_php" = "yes" ; then MAYBE_PHP="php" ; else MAYBE_PHP="" ; fi
AC_SUBST([MAYBE_PHP])
+if test "$have_dart" = "yes" ; then MAYBE_DART="dart" ; else MAYBE_DART="" ; fi
+AC_SUBST([MAYBE_DART])
if test "$have_go" = "yes" ; then MAYBE_GO="go" ; else MAYBE_GO="" ; fi
AC_SUBST([MAYBE_GO])
if test "$have_nodejs" = "yes" ; then MAYBE_NODEJS="nodejs" ; else MAYBE_NODEJS="" ; fi
@@ -797,6 +813,7 @@ echo "Building Haxe Library ........ : $have_haxe"
echo "Building Haskell Library ..... : $have_haskell"
echo "Building Perl Library ........ : $have_perl"
echo "Building PHP Library ......... : $have_php"
+echo "Building Dart Library ........ : $have_dart"
echo "Building Erlang Library ...... : $have_erlang"
echo "Building Go Library .......... : $have_go"
echo "Building D Library ........... : $have_d"
@@ -834,6 +851,12 @@ if test "$have_php" = "yes" ; then
echo "PHP Library:"
echo " Using php-config .......... : $PHP_CONFIG"
fi
+if test "$have_dart" = "yes" ; then
+ echo
+ echo "Dart Library:"
+ echo " Using Dart ................ : $DART"
+ echo " Using Pub ................. : $DARTPUB"
+fi
if test "$have_ruby" = "yes" ; then
echo
echo "Ruby Library:"