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Diffstat (limited to '')
| -rw-r--r-- | src/jaegertracing/thrift/compiler/cpp/src/thrift/generate/t_csharp_generator.cc | 3261 |
1 files changed, 3261 insertions, 0 deletions
diff --git a/src/jaegertracing/thrift/compiler/cpp/src/thrift/generate/t_csharp_generator.cc b/src/jaegertracing/thrift/compiler/cpp/src/thrift/generate/t_csharp_generator.cc new file mode 100644 index 000000000..a6ece8083 --- /dev/null +++ b/src/jaegertracing/thrift/compiler/cpp/src/thrift/generate/t_csharp_generator.cc @@ -0,0 +1,3261 @@ +/* + * 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. + * + * Contains some contributions under the Thrift Software License. + * Please see doc/old-thrift-license.txt in the Thrift distribution for + * details. + */ + +#include <cassert> + +#include <string> +#include <fstream> +#include <iostream> +#include <vector> +#include <cctype> + +#include <stdlib.h> +#include <sys/stat.h> +#include <sstream> + +#include "thrift/platform.h" +#include "thrift/generate/t_oop_generator.h" + +using std::map; +using std::ostream; +using std::ostringstream; +using std::string; +using std::stringstream; +using std::vector; + +static const string endl = "\n"; // avoid ostream << std::endl flushes + +struct member_mapping_scope { + void* scope_member; + std::map<std::string, std::string> mapping_table; +}; + +class t_csharp_generator : public t_oop_generator { +public: + t_csharp_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; + + async_ = false; + nullable_ = false; + hashcode_ = false; + union_ = false; + serialize_ = false; + wcf_ = false; + wcf_namespace_.clear(); + for( iter = parsed_options.begin(); iter != parsed_options.end(); ++iter) { + if( iter->first.compare("async") == 0) { + async_ = true; + } else if( iter->first.compare("nullable") == 0) { + nullable_ = true; + } else if( iter->first.compare("hashcode") == 0) { + hashcode_ = true; + } else if( iter->first.compare("union") == 0) { + union_ = true; + } else if( iter->first.compare("serial") == 0) { + serialize_ = true; + wcf_namespace_ = iter->second; // since there can be only one namespace + } else if( iter->first.compare("wcf") == 0) { + wcf_ = true; + wcf_namespace_ = iter->second; + } else { + throw "unknown option csharp:" + iter->first; + } + } + + pwarning(1, "The 'csharp' target is deprecated. Consider using 'netstd' instead.\n"); + + out_dir_base_ = "gen-csharp"; + } + void init_generator() override; + void close_generator() override; + + void generate_consts(std::vector<t_const*> consts) override; + + void generate_typedef(t_typedef* ttypedef) override; + void generate_enum(t_enum* tenum) override; + void generate_struct(t_struct* tstruct) override; + void generate_union(t_struct* tunion); + void generate_xception(t_struct* txception) override; + void generate_service(t_service* tservice) override; + void generate_property(ostream& out, t_field* tfield, bool isPublic, bool generateIsset); + void generate_csharp_property(ostream& out, + t_field* tfield, + bool isPublic, + bool includeIsset = true, + std::string fieldPrefix = ""); + bool print_const_value(std::ostream& out, + std::string name, + t_type* type, + t_const_value* value, + bool in_static, + bool defval = false, + bool needtype = false); + std::string render_const_value(std::ostream& out, + std::string name, + t_type* type, + t_const_value* value); + void print_const_constructor(std::ostream& out, std::vector<t_const*> consts); + void print_const_def_value(std::ostream& out, + std::string name, + t_type* type, + t_const_value* value); + + void generate_csharp_struct(t_struct* tstruct, bool is_exception); + void generate_csharp_union(t_struct* tunion); + void generate_csharp_struct_definition(std::ostream& out, + t_struct* tstruct, + bool is_xception = false, + bool in_class = false, + bool is_result = false); + void generate_csharp_union_definition(std::ostream& out, t_struct* tunion); + void generate_csharp_union_class(std::ostream& out, t_struct* tunion, t_field* tfield); + void generate_csharp_wcffault(std::ostream& out, t_struct* tstruct); + void generate_csharp_struct_reader(std::ostream& out, t_struct* tstruct); + void generate_csharp_struct_result_writer(std::ostream& out, t_struct* tstruct); + void generate_csharp_struct_writer(std::ostream& out, t_struct* tstruct); + void generate_csharp_struct_tostring(std::ostream& out, t_struct* tstruct); + void generate_csharp_struct_equals(std::ostream& out, t_struct* tstruct); + void generate_csharp_struct_hashcode(std::ostream& out, t_struct* tstruct); + void generate_csharp_union_reader(std::ostream& out, t_struct* tunion); + + void generate_function_helpers(t_function* tfunction); + void generate_service_interface(t_service* tservice); + void generate_separate_service_interfaces(t_service* tservice); + void generate_sync_service_interface(t_service* tservice); + void generate_async_service_interface(t_service* tservice); + void generate_combined_service_interface(t_service* tservice); + void generate_silverlight_async_methods(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_service_server_sync(t_service* tservice); + void generate_service_server_async(t_service* tservice); + void generate_process_function(t_service* tservice, t_function* function); + void generate_process_function_async(t_service* tservice, t_function* function); + + void generate_deserialize_field(std::ostream& out, + t_field* tfield, + std::string prefix = "", + bool is_propertyless = 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* list, std::string prefix = ""); + void generate_serialize_field(std::ostream& out, + t_field* tfield, + std::string prefix = "", + bool is_element = false, + bool is_propertyless = false); + 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 iter, + std::string map); + void generate_serialize_set_element(std::ostream& out, t_set* tmap, std::string iter); + void generate_serialize_list_element(std::ostream& out, t_list* tlist, std::string iter); + + void generate_csharp_doc(std::ostream& out, t_field* field); + void generate_csharp_doc(std::ostream& out, t_doc* tdoc); + void generate_csharp_doc(std::ostream& out, t_function* tdoc); + void generate_csharp_docstring_comment(std::ostream& out, string contents); + + void start_csharp_namespace(std::ostream& out); + void end_csharp_namespace(std::ostream& out); + + std::string csharp_type_usings(); + std::string csharp_thrift_usings(); + + std::string type_name(t_type* ttype, + bool in_countainer = false, + bool in_init = false, + bool in_param = false, + bool is_required = false); + std::string base_type_name(t_base_type* tbase, + bool in_container = false, + bool in_param = false, + bool is_required = false); + std::string declare_field(t_field* tfield, bool init = false, std::string prefix = ""); + std::string function_signature_async_begin(t_function* tfunction, std::string prefix = ""); + std::string function_signature_async_end(t_function* tfunction, std::string prefix = ""); + std::string function_signature_async(t_function* tfunction, std::string prefix = ""); + std::string function_signature(t_function* tfunction, std::string prefix = ""); + std::string argument_list(t_struct* tstruct); + std::string type_to_enum(t_type* ttype); + std::string prop_name(t_field* tfield, bool suppress_mapping = false); + std::string get_enum_class_name(t_type* type) override; + + bool field_has_default(t_field* tfield) { return tfield->get_value() != NULL; } + + bool field_is_required(t_field* tfield) { return tfield->get_req() == t_field::T_REQUIRED; } + + bool type_can_be_null(t_type* ttype) { + while (ttype->is_typedef()) { + ttype = ((t_typedef*)ttype)->get_type(); + } + + return ttype->is_container() || ttype->is_struct() || ttype->is_xception() + || ttype->is_string(); + } + +private: + std::string namespace_name_; + ofstream_with_content_based_conditional_update f_service_; + std::string namespace_dir_; + bool async_; + bool nullable_; + bool union_; + bool hashcode_; + bool serialize_; + bool wcf_; + std::string wcf_namespace_; + + std::map<std::string, int> csharp_keywords; + std::vector<member_mapping_scope> member_mapping_scopes; + + void init_keywords(); + std::string normalize_name(std::string name); + std::string make_valid_csharp_identifier(std::string const& fromName); + void prepare_member_name_mapping(t_struct* tstruct); + void prepare_member_name_mapping(void* scope, + const vector<t_field*>& members, + const string& structname); + void cleanup_member_name_mapping(void* scope); + string get_mapped_member_name(string oldname); +}; + +void t_csharp_generator::init_generator() { + MKDIR(get_out_dir().c_str()); + namespace_name_ = program_->get_namespace("csharp"); + + string dir = namespace_name_; + string subdir = get_out_dir().c_str(); + string::size_type loc; + + while ((loc = dir.find(".")) != string::npos) { + subdir = subdir + "/" + dir.substr(0, loc); + MKDIR(subdir.c_str()); + dir = dir.substr(loc + 1); + } + if (dir.size() > 0) { + subdir = subdir + "/" + dir; + MKDIR(subdir.c_str()); + } + + namespace_dir_ = subdir; + init_keywords(); + + while( ! member_mapping_scopes.empty()) { + cleanup_member_name_mapping( member_mapping_scopes.back().scope_member); + } + + pverbose("C# options:\n"); + pverbose("- async ...... %s\n", (async_ ? "ON" : "off")); + pverbose("- nullable ... %s\n", (nullable_ ? "ON" : "off")); + pverbose("- union ...... %s\n", (union_ ? "ON" : "off")); + pverbose("- hashcode ... %s\n", (hashcode_ ? "ON" : "off")); + pverbose("- serialize .. %s\n", (serialize_ ? "ON" : "off")); + pverbose("- wcf ........ %s\n", (wcf_ ? "ON" : "off")); +} + +std::string t_csharp_generator::normalize_name(std::string name) { + string tmp(name); + std::transform(tmp.begin(), tmp.end(), tmp.begin(), static_cast<int (*)(int)>(std::tolower)); + + // un-conflict keywords by prefixing with "@" + if (csharp_keywords.find(tmp) != csharp_keywords.end()) { + return "@" + name; + } + + // no changes necessary + return name; +} + +void t_csharp_generator::init_keywords() { + csharp_keywords.clear(); + + // C# keywords + csharp_keywords["abstract"] = 1; + csharp_keywords["as"] = 1; + csharp_keywords["base"] = 1; + csharp_keywords["bool"] = 1; + csharp_keywords["break"] = 1; + csharp_keywords["byte"] = 1; + csharp_keywords["case"] = 1; + csharp_keywords["catch"] = 1; + csharp_keywords["char"] = 1; + csharp_keywords["checked"] = 1; + csharp_keywords["class"] = 1; + csharp_keywords["const"] = 1; + csharp_keywords["continue"] = 1; + csharp_keywords["decimal"] = 1; + csharp_keywords["default"] = 1; + csharp_keywords["delegate"] = 1; + csharp_keywords["do"] = 1; + csharp_keywords["double"] = 1; + csharp_keywords["else"] = 1; + csharp_keywords["enum"] = 1; + csharp_keywords["event"] = 1; + csharp_keywords["explicit"] = 1; + csharp_keywords["extern"] = 1; + csharp_keywords["false"] = 1; + csharp_keywords["finally"] = 1; + csharp_keywords["fixed"] = 1; + csharp_keywords["float"] = 1; + csharp_keywords["for"] = 1; + csharp_keywords["foreach"] = 1; + csharp_keywords["goto"] = 1; + csharp_keywords["if"] = 1; + csharp_keywords["implicit"] = 1; + csharp_keywords["in"] = 1; + csharp_keywords["int"] = 1; + csharp_keywords["interface"] = 1; + csharp_keywords["internal"] = 1; + csharp_keywords["is"] = 1; + csharp_keywords["lock"] = 1; + csharp_keywords["long"] = 1; + csharp_keywords["namespace"] = 1; + csharp_keywords["new"] = 1; + csharp_keywords["null"] = 1; + csharp_keywords["object"] = 1; + csharp_keywords["operator"] = 1; + csharp_keywords["out"] = 1; + csharp_keywords["override"] = 1; + csharp_keywords["params"] = 1; + csharp_keywords["private"] = 1; + csharp_keywords["protected"] = 1; + csharp_keywords["public"] = 1; + csharp_keywords["readonly"] = 1; + csharp_keywords["ref"] = 1; + csharp_keywords["return"] = 1; + csharp_keywords["sbyte"] = 1; + csharp_keywords["sealed"] = 1; + csharp_keywords["short"] = 1; + csharp_keywords["sizeof"] = 1; + csharp_keywords["stackalloc"] = 1; + csharp_keywords["static"] = 1; + csharp_keywords["string"] = 1; + csharp_keywords["struct"] = 1; + csharp_keywords["switch"] = 1; + csharp_keywords["this"] = 1; + csharp_keywords["throw"] = 1; + csharp_keywords["true"] = 1; + csharp_keywords["try"] = 1; + csharp_keywords["typeof"] = 1; + csharp_keywords["uint"] = 1; + csharp_keywords["ulong"] = 1; + csharp_keywords["unchecked"] = 1; + csharp_keywords["unsafe"] = 1; + csharp_keywords["ushort"] = 1; + csharp_keywords["using"] = 1; + csharp_keywords["virtual"] = 1; + csharp_keywords["void"] = 1; + csharp_keywords["volatile"] = 1; + csharp_keywords["while"] = 1; + + // C# contextual keywords + csharp_keywords["add"] = 1; + csharp_keywords["alias"] = 1; + csharp_keywords["ascending"] = 1; + csharp_keywords["async"] = 1; + csharp_keywords["await"] = 1; + csharp_keywords["descending"] = 1; + csharp_keywords["dynamic"] = 1; + csharp_keywords["from"] = 1; + csharp_keywords["get"] = 1; + csharp_keywords["global"] = 1; + csharp_keywords["group"] = 1; + csharp_keywords["into"] = 1; + csharp_keywords["join"] = 1; + csharp_keywords["let"] = 1; + csharp_keywords["orderby"] = 1; + csharp_keywords["partial"] = 1; + csharp_keywords["remove"] = 1; + csharp_keywords["select"] = 1; + csharp_keywords["set"] = 1; + csharp_keywords["value"] = 1; + csharp_keywords["var"] = 1; + csharp_keywords["where"] = 1; + csharp_keywords["yield"] = 1; +} + +void t_csharp_generator::start_csharp_namespace(ostream& out) { + if (!namespace_name_.empty()) { + out << "namespace " << namespace_name_ << "\n"; + scope_up(out); + } +} + +void t_csharp_generator::end_csharp_namespace(ostream& out) { + if (!namespace_name_.empty()) { + scope_down(out); + } +} + +string t_csharp_generator::csharp_type_usings() { + return string() + "using System;\n" + "using System.Collections;\n" + + "using System.Collections.Generic;\n" + "using System.Text;\n" + "using System.IO;\n" + + ((async_) ? "using System.Threading.Tasks;\n" : "") + "using Thrift;\n" + + "using Thrift.Collections;\n" + ((serialize_ || wcf_) ? "#if !SILVERLIGHT\n" : "") + + ((serialize_ || wcf_) ? "using System.Xml.Serialization;\n" : "") + + ((serialize_ || wcf_) ? "#endif\n" : "") + + "using System.Runtime.Serialization;\n"; +} + +string t_csharp_generator::csharp_thrift_usings() { + return string() + "using Thrift.Protocol;\n" + "using Thrift.Transport;\n"; +} + +void t_csharp_generator::close_generator() { +} +void t_csharp_generator::generate_typedef(t_typedef* ttypedef) { + (void)ttypedef; +} + +void t_csharp_generator::generate_enum(t_enum* tenum) { + string f_enum_name = namespace_dir_ + "/" + (tenum->get_name()) + ".cs"; + ofstream_with_content_based_conditional_update f_enum; + f_enum.open(f_enum_name.c_str()); + + f_enum << autogen_comment() << endl; + + start_csharp_namespace(f_enum); + + generate_csharp_doc(f_enum, tenum); + + indent(f_enum) << "public enum " << tenum->get_name() << "\n"; + 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) { + generate_csharp_doc(f_enum, *c_iter); + + int value = (*c_iter)->get_value(); + indent(f_enum) << (*c_iter)->get_name() << " = " << value << "," << endl; + } + + scope_down(f_enum); + + end_csharp_namespace(f_enum); + + f_enum.close(); +} + +void t_csharp_generator::generate_consts(std::vector<t_const*> consts) { + if (consts.empty()) { + return; + } + string f_consts_name = namespace_dir_ + '/' + program_name_ + ".Constants.cs"; + ofstream_with_content_based_conditional_update f_consts; + f_consts.open(f_consts_name.c_str()); + + f_consts << autogen_comment() << csharp_type_usings() << endl; + + start_csharp_namespace(f_consts); + + indent(f_consts) << "public static class " << make_valid_csharp_identifier(program_name_) + << "Constants" << endl; + scope_up(f_consts); + + vector<t_const*>::iterator c_iter; + bool need_static_constructor = false; + for (c_iter = consts.begin(); c_iter != consts.end(); ++c_iter) { + generate_csharp_doc(f_consts, (*c_iter)); + if (print_const_value(f_consts, + (*c_iter)->get_name(), + (*c_iter)->get_type(), + (*c_iter)->get_value(), + false)) { + need_static_constructor = true; + } + } + + if (need_static_constructor) { + print_const_constructor(f_consts, consts); + } + + scope_down(f_consts); + end_csharp_namespace(f_consts); + f_consts.close(); +} + +void t_csharp_generator::print_const_def_value(std::ostream& out, + string name, + t_type* type, + t_const_value* value) { + if (type->is_struct() || type->is_xception()) { + const vector<t_field*>& fields = ((t_struct*)type)->get_members(); + vector<t_field*>::const_iterator f_iter; + const map<t_const_value*, t_const_value*, t_const_value::value_compare>& val = value->get_map(); + map<t_const_value*, t_const_value*, t_const_value::value_compare>::const_iterator v_iter; + prepare_member_name_mapping((t_struct*)type); + for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) { + t_field* field = NULL; + for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { + if ((*f_iter)->get_name() == v_iter->first->get_string()) { + field = (*f_iter); + } + } + if (field == NULL) { + throw "type error: " + type->get_name() + " has no field " + v_iter->first->get_string(); + } + t_type* field_type = field->get_type(); + string val = render_const_value(out, name, field_type, v_iter->second); + indent(out) << name << "." << prop_name(field) << " = " << val << ";" << endl; + } + cleanup_member_name_mapping((t_struct*)type); + } else if (type->is_map()) { + t_type* ktype = ((t_map*)type)->get_key_type(); + t_type* vtype = ((t_map*)type)->get_val_type(); + const map<t_const_value*, t_const_value*, t_const_value::value_compare>& val = value->get_map(); + map<t_const_value*, t_const_value*, t_const_value::value_compare>::const_iterator v_iter; + for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) { + string key = render_const_value(out, name, ktype, v_iter->first); + string val = render_const_value(out, name, vtype, v_iter->second); + indent(out) << name << "[" << key << "]" + << " = " << val << ";" << endl; + } + } 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(); + } + + const vector<t_const_value*>& val = value->get_list(); + vector<t_const_value*>::const_iterator v_iter; + for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) { + string val = render_const_value(out, name, etype, *v_iter); + indent(out) << name << ".Add(" << val << ");" << endl; + } + } +} + +void t_csharp_generator::print_const_constructor(std::ostream& out, std::vector<t_const*> consts) { + indent(out) << "static " << make_valid_csharp_identifier(program_name_).c_str() << "Constants()" + << endl; + scope_up(out); + vector<t_const*>::iterator c_iter; + for (c_iter = consts.begin(); c_iter != consts.end(); ++c_iter) { + string name = (*c_iter)->get_name(); + t_type* type = (*c_iter)->get_type(); + t_const_value* value = (*c_iter)->get_value(); + + print_const_def_value(out, name, type, value); + } + scope_down(out); +} + +// it seems like all that methods that call this are using in_static to be the opposite of what it +// would imply +bool t_csharp_generator::print_const_value(std::ostream& out, + string name, + t_type* type, + t_const_value* value, + bool in_static, + bool defval, + bool needtype) { + indent(out); + bool need_static_construction = !in_static; + while (type->is_typedef()) { + type = ((t_typedef*)type)->get_type(); + } + + if (!defval || needtype) { + out << (in_static ? "" : type->is_base_type() ? "public const " : "public static ") + << type_name(type) << " "; + } + if (type->is_base_type()) { + string v2 = render_const_value(out, name, type, value); + out << name << " = " << v2 << ";" << endl; + need_static_construction = false; + } else if (type->is_enum()) { + out << name << " = " << type_name(type, false, true) << "." << value->get_identifier_name() + << ";" << endl; + need_static_construction = false; + } else if (type->is_struct() || type->is_xception()) { + out << name << " = new " << type_name(type) << "();" << endl; + } else if (type->is_map()) { + out << name << " = new " << type_name(type, true, true) << "();" << endl; + } else if (type->is_list() || type->is_set()) { + out << name << " = new " << type_name(type) << "();" << endl; + } + + if (defval && !type->is_base_type() && !type->is_enum()) { + print_const_def_value(out, name, type, value); + } + + return need_static_construction; +} + +std::string t_csharp_generator::render_const_value(ostream& out, + string name, + t_type* type, + t_const_value* value) { + (void)name; + std::ostringstream render; + + if (type->is_base_type()) { + t_base_type::t_base tbase = ((t_base_type*)type)->get_base(); + switch (tbase) { + case t_base_type::TYPE_STRING: + render << '"' << get_escaped_string(value) << '"'; + break; + case t_base_type::TYPE_BOOL: + render << ((value->get_integer() > 0) ? "true" : "false"); + break; + case t_base_type::TYPE_I8: + 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 << type->get_name() << "." << value->get_identifier_name(); + } else { + string t = tmp("tmp"); + print_const_value(out, t, type, value, true, true, true); + render << t; + } + + return render.str(); +} + +void t_csharp_generator::generate_struct(t_struct* tstruct) { + if (union_ && tstruct->is_union()) { + generate_csharp_union(tstruct); + } else { + generate_csharp_struct(tstruct, false); + } +} + +void t_csharp_generator::generate_xception(t_struct* txception) { + generate_csharp_struct(txception, true); +} + +void t_csharp_generator::generate_csharp_struct(t_struct* tstruct, bool is_exception) { + string f_struct_name = namespace_dir_ + "/" + (tstruct->get_name()) + ".cs"; + ofstream_with_content_based_conditional_update f_struct; + + f_struct.open(f_struct_name.c_str()); + + f_struct << autogen_comment() << csharp_type_usings() << csharp_thrift_usings() << endl; + + generate_csharp_struct_definition(f_struct, tstruct, is_exception); + + f_struct.close(); +} + +void t_csharp_generator::generate_csharp_struct_definition(ostream& out, + t_struct* tstruct, + bool is_exception, + bool in_class, + bool is_result) { + + if (!in_class) { + start_csharp_namespace(out); + } + + out << endl; + + generate_csharp_doc(out, tstruct); + prepare_member_name_mapping(tstruct); + + indent(out) << "#if !SILVERLIGHT" << endl; + indent(out) << "[Serializable]" << endl; + indent(out) << "#endif" << endl; + if ((serialize_ || wcf_) && !is_exception) { + indent(out) << "[DataContract(Namespace=\"" << wcf_namespace_ << "\")]" + << endl; // do not make exception classes directly WCF serializable, we provide a + // separate "fault" for that + } + bool is_final = (tstruct->annotations_.find("final") != tstruct->annotations_.end()); + + indent(out) << "public " << (is_final ? "sealed " : "") << "partial class " + << normalize_name(tstruct->get_name()) << " : "; + + if (is_exception) { + out << "TException, "; + } + out << "TBase"; + + out << endl; + + scope_up(out); + + const vector<t_field*>& members = tstruct->get_members(); + vector<t_field*>::const_iterator m_iter; + + // make private members with public Properties + for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { + // if the field is requied, then we use auto-properties + if (!field_is_required((*m_iter)) && (!nullable_ || field_has_default((*m_iter)))) { + indent(out) << "private " << declare_field(*m_iter, false, "_") << endl; + } + } + out << endl; + + bool has_non_required_fields = false; + bool has_non_required_default_value_fields = false; + bool has_required_fields = false; + for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { + generate_csharp_doc(out, *m_iter); + generate_property(out, *m_iter, true, true); + bool is_required = field_is_required((*m_iter)); + bool has_default = field_has_default((*m_iter)); + if (is_required) { + has_required_fields = true; + } else { + if (has_default) { + has_non_required_default_value_fields = true; + } + has_non_required_fields = true; + } + } + + bool generate_isset = (nullable_ && has_non_required_default_value_fields) + || (!nullable_ && has_non_required_fields); + if (generate_isset) { + out << endl; + if (serialize_ || wcf_) { + out << indent() << "[XmlIgnore] // XmlSerializer" << endl << indent() + << "[DataMember(Order = 1)] // XmlObjectSerializer, DataContractJsonSerializer, etc." + << endl; + } + out << indent() << "public Isset __isset;" << endl << indent() << "#if !SILVERLIGHT" << endl + << indent() << "[Serializable]" << endl << indent() << "#endif" << endl; + if (serialize_ || wcf_) { + indent(out) << "[DataContract]" << endl; + } + indent(out) << "public struct Isset {" << endl; + indent_up(); + for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { + bool is_required = field_is_required((*m_iter)); + bool has_default = field_has_default((*m_iter)); + // if it is required, don't need Isset for that variable + // if it is not required, if it has a default value, we need to generate Isset + // if we are not nullable, then we generate Isset + if (!is_required && (!nullable_ || has_default)) { + if (serialize_ || wcf_) { + indent(out) << "[DataMember]" << endl; + } + indent(out) << "public bool " << normalize_name((*m_iter)->get_name()) << ";" << endl; + } + } + + indent_down(); + indent(out) << "}" << endl << endl; + + if (generate_isset && (serialize_ || wcf_)) { + indent(out) << "#region XmlSerializer support" << endl << endl; + + for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { + bool is_required = field_is_required((*m_iter)); + bool has_default = field_has_default((*m_iter)); + // if it is required, don't need Isset for that variable + // if it is not required, if it has a default value, we need to generate Isset + // if we are not nullable, then we generate Isset + if (!is_required && (!nullable_ || has_default)) { + indent(out) << "public bool ShouldSerialize" << prop_name((*m_iter)) << "()" << endl; + indent(out) << "{" << endl; + indent_up(); + indent(out) << "return __isset." << normalize_name((*m_iter)->get_name()) << ";" << endl; + indent_down(); + indent(out) << "}" << endl << endl; + } + } + + indent(out) << "#endregion XmlSerializer support" << endl << endl; + } + } + + // We always want a default, no argument constructor for Reading + indent(out) << "public " << normalize_name(tstruct->get_name()) << "() {" << endl; + indent_up(); + + for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { + t_type* t = (*m_iter)->get_type(); + while (t->is_typedef()) { + t = ((t_typedef*)t)->get_type(); + } + if ((*m_iter)->get_value() != NULL) { + if (field_is_required((*m_iter))) { + print_const_value(out, "this." + prop_name(*m_iter), t, (*m_iter)->get_value(), true, true); + } else { + print_const_value(out, + "this._" + (*m_iter)->get_name(), + t, + (*m_iter)->get_value(), + true, + true); + // Optionals with defaults are marked set + indent(out) << "this.__isset." << normalize_name((*m_iter)->get_name()) << " = true;" + << endl; + } + } + } + indent_down(); + indent(out) << "}" << endl << endl; + + if (has_required_fields) { + indent(out) << "public " << tstruct->get_name() << "("; + bool first = true; + for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { + if (field_is_required((*m_iter))) { + if (first) { + first = false; + } else { + out << ", "; + } + out << type_name((*m_iter)->get_type()) << " " << normalize_name((*m_iter)->get_name()); + } + } + out << ") : this() {" << endl; + indent_up(); + + for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { + if (field_is_required((*m_iter))) { + indent(out) << "this." << prop_name((*m_iter)) << " = " << normalize_name((*m_iter)->get_name()) << ";" + << endl; + } + } + + indent_down(); + indent(out) << "}" << endl << endl; + } + + generate_csharp_struct_reader(out, tstruct); + if (is_result) { + generate_csharp_struct_result_writer(out, tstruct); + } else { + generate_csharp_struct_writer(out, tstruct); + } + if (hashcode_) { + generate_csharp_struct_equals(out, tstruct); + generate_csharp_struct_hashcode(out, tstruct); + } + generate_csharp_struct_tostring(out, tstruct); + scope_down(out); + out << endl; + + // generate a corresponding WCF fault to wrap the exception + if ((serialize_ || wcf_) && is_exception) { + generate_csharp_wcffault(out, tstruct); + } + + cleanup_member_name_mapping(tstruct); + if (!in_class) { + end_csharp_namespace(out); + } +} + +void t_csharp_generator::generate_csharp_wcffault(ostream& out, t_struct* tstruct) { + out << endl; + indent(out) << "#if !SILVERLIGHT" << endl; + indent(out) << "[Serializable]" << endl; + indent(out) << "#endif" << endl; + indent(out) << "[DataContract]" << endl; + bool is_final = (tstruct->annotations_.find("final") != tstruct->annotations_.end()); + + indent(out) << "public " << (is_final ? "sealed " : "") << "partial class " << tstruct->get_name() + << "Fault" << endl; + + scope_up(out); + + const vector<t_field*>& members = tstruct->get_members(); + vector<t_field*>::const_iterator m_iter; + + // make private members with public Properties + for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { + // if the field is requied, then we use auto-properties + if (!field_is_required((*m_iter)) && (!nullable_ || field_has_default((*m_iter)))) { + indent(out) << "private " << declare_field(*m_iter, false, "_") << endl; + } + } + out << endl; + + for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { + generate_property(out, *m_iter, true, false); + } + + scope_down(out); + out << endl; +} + +void t_csharp_generator::generate_csharp_struct_reader(ostream& out, t_struct* tstruct) { + indent(out) << "public void Read (TProtocol iprot)" << endl; + scope_up(out); + + out << indent() << "iprot.IncrementRecursionDepth();" << endl; + out << indent() << "try" << endl; + scope_up(out); + + const vector<t_field*>& fields = tstruct->get_members(); + vector<t_field*>::const_iterator f_iter; + + // Required variables aren't in __isset, so we need tmp vars to check them + for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { + if (field_is_required((*f_iter))) { + indent(out) << "bool isset_" << (*f_iter)->get_name() << " = false;" << endl; + } + } + + indent(out) << "TField field;" << endl << indent() << "iprot.ReadStructBegin();" << endl; + + indent(out) << "while (true)" << endl; + scope_up(out); + + indent(out) << "field = iprot.ReadFieldBegin();" << endl; + + indent(out) << "if (field.Type == TType.Stop) { " << endl; + indent_up(); + indent(out) << "break;" << endl; + indent_down(); + indent(out) << "}" << endl; + + indent(out) << "switch (field.ID)" << endl; + + scope_up(out); + + for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { + bool is_required = field_is_required((*f_iter)); + indent(out) << "case " << (*f_iter)->get_key() << ":" << endl; + indent_up(); + indent(out) << "if (field.Type == " << type_to_enum((*f_iter)->get_type()) << ") {" << endl; + indent_up(); + + generate_deserialize_field(out, *f_iter); + if (is_required) { + indent(out) << "isset_" << (*f_iter)->get_name() << " = true;" << endl; + } + + indent_down(); + out << indent() << "} else { " << endl << indent() << " TProtocolUtil.Skip(iprot, field.Type);" + << endl << indent() << "}" << endl << indent() << "break;" << endl; + indent_down(); + } + + indent(out) << "default: " << endl; + indent_up(); + indent(out) << "TProtocolUtil.Skip(iprot, field.Type);" << endl; + indent(out) << "break;" << endl; + indent_down(); + + scope_down(out); + + indent(out) << "iprot.ReadFieldEnd();" << endl; + + scope_down(out); + + indent(out) << "iprot.ReadStructEnd();" << endl; + + for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { + if (field_is_required((*f_iter))) { + indent(out) << "if (!isset_" << (*f_iter)->get_name() << ")" << endl; + indent_up(); + out << indent() + << "throw new TProtocolException(TProtocolException.INVALID_DATA, " + << "\"required field " << prop_name((*f_iter)) << " not set\");" + << endl; + indent_down(); + } + } + + scope_down(out); + out << indent() << "finally" << endl; + scope_up(out); + out << indent() << "iprot.DecrementRecursionDepth();" << endl; + scope_down(out); + + indent_down(); + + indent(out) << "}" << endl << endl; +} + +void t_csharp_generator::generate_csharp_struct_writer(ostream& out, t_struct* tstruct) { + out << indent() << "public void Write(TProtocol oprot) {" << endl; + indent_up(); + + out << indent() << "oprot.IncrementRecursionDepth();" << endl; + out << indent() << "try" << endl; + 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) << "TStruct struc = new TStruct(\"" << name << "\");" << endl; + indent(out) << "oprot.WriteStructBegin(struc);" << endl; + + if (fields.size() > 0) { + indent(out) << "TField field = new TField();" << endl; + for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { + bool is_required = field_is_required((*f_iter)); + bool has_default = field_has_default((*f_iter)); + bool null_allowed = type_can_be_null((*f_iter)->get_type()); + + if (is_required) + { + if (null_allowed) { + indent(out) << "if (" << prop_name((*f_iter)) << " == null)" << endl; + indent_up(); + out << indent() + << "throw new TProtocolException(TProtocolException.INVALID_DATA, " + << "\"required field " << prop_name((*f_iter)) << " not set\");" + << endl; + indent_down(); + } + } + else + { + if (nullable_ && !has_default) { + indent(out) << "if (" << prop_name((*f_iter)) << " != null) {" << endl; + } + else if (null_allowed) { + out << indent() + << "if (" << prop_name((*f_iter)) << " != null && __isset." + << normalize_name((*f_iter)->get_name()) << ") {" + << endl; + } + else { + indent(out) << "if (__isset." << normalize_name((*f_iter)->get_name()) << ") {" << endl; + } + indent_up(); + } + indent(out) << "field.Name = \"" << (*f_iter)->get_name() << "\";" << endl; + indent(out) << "field.Type = " << type_to_enum((*f_iter)->get_type()) << ";" << endl; + indent(out) << "field.ID = " << (*f_iter)->get_key() << ";" << endl; + indent(out) << "oprot.WriteFieldBegin(field);" << endl; + + generate_serialize_field(out, *f_iter); + + indent(out) << "oprot.WriteFieldEnd();" << endl; + if (!is_required) { + indent_down(); + indent(out) << "}" << endl; + } + } + } + + indent(out) << "oprot.WriteFieldStop();" << endl; + indent(out) << "oprot.WriteStructEnd();" << endl; + + scope_down(out); + out << indent() << "finally" << endl; + scope_up(out); + out << indent() << "oprot.DecrementRecursionDepth();" << endl; + scope_down(out); + + indent_down(); + + indent(out) << "}" << endl << endl; +} + +void t_csharp_generator::generate_csharp_struct_result_writer(ostream& out, t_struct* tstruct) { + indent(out) << "public void Write(TProtocol oprot) {" << endl; + indent_up(); + + out << indent() << "oprot.IncrementRecursionDepth();" << endl; + out << indent() << "try" << endl; + 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) << "TStruct struc = new TStruct(\"" << name << "\");" << endl; + indent(out) << "oprot.WriteStructBegin(struc);" << endl; + + if (fields.size() > 0) { + indent(out) << "TField field = new TField();" << endl; + bool first = true; + for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { + if (first) { + first = false; + out << endl << indent() << "if "; + } else { + out << " else if "; + } + + if (nullable_) { + out << "(this." << prop_name((*f_iter)) << " != null) {" << endl; + } else { + out << "(this.__isset." << normalize_name((*f_iter)->get_name()) << ") {" << endl; + } + indent_up(); + + bool null_allowed = !nullable_ && type_can_be_null((*f_iter)->get_type()); + if (null_allowed) { + indent(out) << "if (" << prop_name(*f_iter) << " != null) {" << endl; + indent_up(); + } + + indent(out) << "field.Name = \"" << prop_name(*f_iter) << "\";" << endl; + indent(out) << "field.Type = " << type_to_enum((*f_iter)->get_type()) << ";" << endl; + indent(out) << "field.ID = " << (*f_iter)->get_key() << ";" << endl; + indent(out) << "oprot.WriteFieldBegin(field);" << endl; + + generate_serialize_field(out, *f_iter); + + indent(out) << "oprot.WriteFieldEnd();" << endl; + + if (null_allowed) { + indent_down(); + indent(out) << "}" << endl; + } + + indent_down(); + indent(out) << "}"; + } + } + + out << endl << indent() << "oprot.WriteFieldStop();" << endl << indent() + << "oprot.WriteStructEnd();" << endl; + + scope_down(out); + out << indent() << "finally" << endl; + scope_up(out); + out << indent() << "oprot.DecrementRecursionDepth();" << endl; + scope_down(out); + + indent_down(); + + indent(out) << "}" << endl << endl; +} + +void t_csharp_generator::generate_csharp_struct_tostring(ostream& out, t_struct* tstruct) { + indent(out) << "public override string ToString() {" << endl; + indent_up(); + + indent(out) << "StringBuilder __sb = new StringBuilder(\"" << tstruct->get_name() << "(\");" + << endl; + + const vector<t_field*>& fields = tstruct->get_members(); + vector<t_field*>::const_iterator f_iter; + + bool useFirstFlag = false; + for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { + if (!field_is_required((*f_iter))) { + indent(out) << "bool __first = true;" << endl; + useFirstFlag = true; + } + break; + } + + bool had_required = false; // set to true after first required field has been processed + + for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { + bool is_required = field_is_required((*f_iter)); + bool has_default = field_has_default((*f_iter)); + if (nullable_ && !has_default && !is_required) { + indent(out) << "if (" << prop_name((*f_iter)) << " != null) {" << endl; + indent_up(); + } else if (!is_required) { + bool null_allowed = type_can_be_null((*f_iter)->get_type()); + if (null_allowed) { + indent(out) << "if (" << prop_name((*f_iter)) << " != null && __isset." + << normalize_name((*f_iter)->get_name()) << ") {" << endl; + indent_up(); + } else { + indent(out) << "if (__isset." << normalize_name((*f_iter)->get_name()) << ") {" << endl; + indent_up(); + } + } + + if (useFirstFlag && (!had_required)) { + indent(out) << "if(!__first) { __sb.Append(\", \"); }" << endl; + if (!is_required) { + indent(out) << "__first = false;" << endl; + } + indent(out) << "__sb.Append(\"" << prop_name((*f_iter)) << ": \");" << endl; + } else { + indent(out) << "__sb.Append(\", " << prop_name((*f_iter)) << ": \");" << endl; + } + + t_type* ttype = (*f_iter)->get_type(); + if (ttype->is_xception() || ttype->is_struct()) { + indent(out) << "__sb.Append(" << prop_name((*f_iter)) + << "== null ? \"<null>\" : " << prop_name((*f_iter)) << ".ToString());" << endl; + } else { + indent(out) << "__sb.Append(" << prop_name((*f_iter)) << ");" << endl; + } + + if (!is_required) { + indent_down(); + indent(out) << "}" << endl; + } else { + had_required = true; // now __first must be false, so we don't need to check it anymore + } + } + + indent(out) << "__sb.Append(\")\");" << endl; + indent(out) << "return __sb.ToString();" << endl; + + indent_down(); + indent(out) << "}" << endl << endl; +} + +void t_csharp_generator::generate_csharp_union(t_struct* tunion) { + string f_union_name = namespace_dir_ + "/" + (tunion->get_name()) + ".cs"; + ofstream_with_content_based_conditional_update f_union; + + f_union.open(f_union_name.c_str()); + + f_union << autogen_comment() << csharp_type_usings() << csharp_thrift_usings() << endl; + + generate_csharp_union_definition(f_union, tunion); + + f_union.close(); +} + +void t_csharp_generator::generate_csharp_union_definition(std::ostream& out, t_struct* tunion) { + // Let's define the class first + start_csharp_namespace(out); + + indent(out) << "public abstract partial class " << tunion->get_name() << " : TAbstractBase {" + << endl; + + indent_up(); + + indent(out) << "public abstract void Write(TProtocol protocol);" << endl; + indent(out) << "public readonly int Isset;" << endl; + indent(out) << "public abstract object Data { get; }" << endl; + + indent(out) << "protected " << tunion->get_name() << "(int isset) {" << endl; + indent_up(); + indent(out) << "Isset = isset;" << endl; + indent_down(); + indent(out) << "}" << endl << endl; + + indent(out) << "public class ___undefined : " << tunion->get_name() << " {" << endl; + indent_up(); + + indent(out) << "public override object Data { get { return null; } }" << endl; + + indent(out) << "public ___undefined() : base(0) {}" << endl << endl; + + indent(out) << "public override void Write(TProtocol protocol) {" << endl; + indent_up(); + indent(out) << "throw new TProtocolException( TProtocolException.INVALID_DATA, \"Cannot persist " + "an union type which is not set.\");" << endl; + indent_down(); + indent(out) << "}" << endl << endl; + + indent_down(); + indent(out) << "}" << endl << endl; + + const vector<t_field*>& fields = tunion->get_members(); + vector<t_field*>::const_iterator f_iter; + + for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { + generate_csharp_union_class(out, tunion, (*f_iter)); + } + + generate_csharp_union_reader(out, tunion); + + indent_down(); + indent(out) << "}" << endl << endl; + + end_csharp_namespace(out); +} + +void t_csharp_generator::generate_csharp_union_class(std::ostream& out, + t_struct* tunion, + t_field* tfield) { + indent(out) << "public " << type_name(tfield->get_type()) << " As_" << tfield->get_name() << endl; + indent(out) << "{" << endl; + indent_up(); + indent(out) << "get" << endl; + indent(out) << "{" << endl; + indent_up(); + indent(out) << "return (" << tfield->get_key() << " == Isset) ? (" << type_name(tfield->get_type()) << ")Data : default(" << type_name(tfield->get_type()) << ");" << endl; + indent_down(); + indent(out) << "}" << endl; + indent_down(); + indent(out) << "}" << endl + << endl; + + + indent(out) << "public class " << tfield->get_name() << " : " << tunion->get_name() << " {" + << endl; + indent_up(); + indent(out) << "private " << type_name(tfield->get_type()) << " _data;" << endl; + indent(out) << "public override object Data { get { return _data; } }" << endl; + indent(out) << "public " << tfield->get_name() << "(" << type_name(tfield->get_type()) + << " data) : base("<< tfield->get_key() <<") {" << endl; + indent_up(); + indent(out) << "this._data = data;" << endl; + indent_down(); + indent(out) << "}" << endl; + indent(out) << "public override void Write(TProtocol oprot) {" << endl; + indent_up(); + + out << indent() << "oprot.IncrementRecursionDepth();" << endl; + out << indent() << "try" << endl; + scope_up(out); + + indent(out) << "TStruct struc = new TStruct(\"" << tunion->get_name() << "\");" << endl; + indent(out) << "oprot.WriteStructBegin(struc);" << endl; + + indent(out) << "TField field = new TField();" << endl; + indent(out) << "field.Name = \"" << tfield->get_name() << "\";" << endl; + indent(out) << "field.Type = " << type_to_enum(tfield->get_type()) << ";" << endl; + indent(out) << "field.ID = " << tfield->get_key() << ";" << endl; + indent(out) << "oprot.WriteFieldBegin(field);" << endl; + + generate_serialize_field(out, tfield, "_data", true, true); + + indent(out) << "oprot.WriteFieldEnd();" << endl; + indent(out) << "oprot.WriteFieldStop();" << endl; + indent(out) << "oprot.WriteStructEnd();" << endl; + indent_down(); + + scope_down(out); + out << indent() << "finally" << endl; + scope_up(out); + out << indent() << "oprot.DecrementRecursionDepth();" << endl; + scope_down(out); + + indent(out) << "}" << endl; + + indent_down(); + indent(out) << "}" << endl << endl; +} + +void t_csharp_generator::generate_csharp_struct_equals(ostream& out, t_struct* tstruct) { + indent(out) << "public override bool Equals(object that) {" << endl; + indent_up(); + + indent(out) << "var other = that as " << type_name(tstruct) << ";" << endl; + indent(out) << "if (other == null) return false;" << endl; + indent(out) << "if (ReferenceEquals(this, other)) return true;" << endl; + + const vector<t_field*>& fields = tstruct->get_members(); + vector<t_field*>::const_iterator f_iter; + + bool first = true; + + for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { + if (first) { + first = false; + indent(out) << "return "; + indent_up(); + } else { + out << endl; + indent(out) << "&& "; + } + if (!field_is_required((*f_iter)) && !(nullable_ && !field_has_default((*f_iter)))) { + out << "((__isset." << normalize_name((*f_iter)->get_name()) << " == other.__isset." + << normalize_name((*f_iter)->get_name()) << ") && ((!__isset." + << normalize_name((*f_iter)->get_name()) << ") || ("; + } + t_type* ttype = (*f_iter)->get_type(); + if (ttype->is_container() || ttype->is_binary()) { + out << "TCollections.Equals("; + } else { + out << "System.Object.Equals("; + } + out << prop_name((*f_iter)) << ", other." << prop_name((*f_iter)) << ")"; + if (!field_is_required((*f_iter)) && !(nullable_ && !field_has_default((*f_iter)))) { + out << ")))"; + } + } + if (first) { + indent(out) << "return true;" << endl; + } else { + out << ";" << endl; + indent_down(); + } + + indent_down(); + indent(out) << "}" << endl << endl; +} + +void t_csharp_generator::generate_csharp_struct_hashcode(ostream& out, t_struct* tstruct) { + indent(out) << "public override int GetHashCode() {" << endl; + indent_up(); + + indent(out) << "int hashcode = 0;" << endl; + indent(out) << "unchecked {" << endl; + indent_up(); + + 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_type* ttype = (*f_iter)->get_type(); + indent(out) << "hashcode = (hashcode * 397) ^ "; + if (field_is_required((*f_iter))) { + out << "("; + } else if (nullable_) { + out << "(" << prop_name((*f_iter)) << " == null ? 0 : "; + } else { + out << "(!__isset." << normalize_name((*f_iter)->get_name()) << " ? 0 : "; + } + if (ttype->is_container()) { + out << "(TCollections.GetHashCode(" << prop_name((*f_iter)) << "))"; + } else { + out << "(" << prop_name((*f_iter)) << ".GetHashCode())"; + } + out << ");" << endl; + } + + indent_down(); + indent(out) << "}" << endl; + indent(out) << "return hashcode;" << endl; + + indent_down(); + indent(out) << "}" << endl << endl; +} + +void t_csharp_generator::generate_service(t_service* tservice) { + string f_service_name = namespace_dir_ + "/" + service_name_ + ".cs"; + f_service_.open(f_service_name.c_str()); + + f_service_ << autogen_comment() << csharp_type_usings() << csharp_thrift_usings() << endl; + + start_csharp_namespace(f_service_); + + indent(f_service_) << "public partial class " << normalize_name(service_name_) << " {" << endl; + indent_up(); + + generate_service_interface(tservice); + generate_service_client(tservice); + generate_service_server(tservice); + generate_service_helpers(tservice); + + indent_down(); + + indent(f_service_) << "}" << endl; + end_csharp_namespace(f_service_); + f_service_.close(); +} + +void t_csharp_generator::generate_service_interface(t_service* tservice) { + generate_separate_service_interfaces(tservice); +} + +void t_csharp_generator::generate_separate_service_interfaces(t_service* tservice) { + generate_sync_service_interface(tservice); + + if (async_) { + generate_async_service_interface(tservice); + } + + generate_combined_service_interface(tservice); +} + +void t_csharp_generator::generate_sync_service_interface(t_service* tservice) { + string extends = ""; + string extends_iface = ""; + if (tservice->get_extends() != NULL) { + extends = type_name(tservice->get_extends()); + extends_iface = " : " + extends + ".ISync"; + } + + generate_csharp_doc(f_service_, tservice); + + if (wcf_) { + indent(f_service_) << "[System.ServiceModel.ServiceContract(Namespace=\"" << wcf_namespace_ << "\")]" << endl; + } + indent(f_service_) << "public interface ISync" << extends_iface << " {" << endl; + + indent_up(); + vector<t_function*> functions = tservice->get_functions(); + vector<t_function*>::iterator f_iter; + for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) { + generate_csharp_doc(f_service_, *f_iter); + + // if we're using WCF, add the corresponding attributes + if (wcf_) { + indent(f_service_) << "[System.ServiceModel.OperationContract]" << endl; + + const std::vector<t_field*>& xceptions = (*f_iter)->get_xceptions()->get_members(); + vector<t_field*>::const_iterator x_iter; + for (x_iter = xceptions.begin(); x_iter != xceptions.end(); ++x_iter) { + indent(f_service_) << "[System.ServiceModel.FaultContract(typeof(" + + type_name((*x_iter)->get_type(), false, false) + "Fault))]" << endl; + } + } + + indent(f_service_) << function_signature(*f_iter) << ";" << endl; + } + indent_down(); + f_service_ << indent() << "}" << endl << endl; +} + +void t_csharp_generator::generate_async_service_interface(t_service* tservice) { + string extends = ""; + string extends_iface = ""; + if (tservice->get_extends() != NULL) { + extends = type_name(tservice->get_extends()); + extends_iface = " : " + extends + ".IAsync"; + } + + generate_csharp_doc(f_service_, tservice); + + if (wcf_) { + indent(f_service_) << "[System.ServiceModel.ServiceContract(Namespace=\"" << wcf_namespace_ << "\")]" << endl; + } + indent(f_service_) << "public interface IAsync" << extends_iface << " {" << endl; + + indent_up(); + vector<t_function*> functions = tservice->get_functions(); + vector<t_function*>::iterator f_iter; + for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) { + generate_csharp_doc(f_service_, *f_iter); + + // if we're using WCF, add the corresponding attributes + if (wcf_) { + indent(f_service_) << "[System.ServiceModel.OperationContract]" << endl; + + const std::vector<t_field*>& xceptions = (*f_iter)->get_xceptions()->get_members(); + vector<t_field*>::const_iterator x_iter; + for (x_iter = xceptions.begin(); x_iter != xceptions.end(); ++x_iter) { + indent(f_service_) << "[System.ServiceModel.FaultContract(typeof(" + + type_name((*x_iter)->get_type(), false, false) + "Fault))]" << endl; + } + } + + indent(f_service_) << function_signature_async(*f_iter) << ";" << endl; + } + indent_down(); + f_service_ << indent() << "}" << endl << endl; +} + +void t_csharp_generator::generate_combined_service_interface(t_service* tservice) { + string extends_iface = " : ISync"; + + if (async_) { + extends_iface += ", IAsync"; + } + + generate_csharp_doc(f_service_, tservice); + + if (wcf_) { + indent(f_service_) << "[System.ServiceModel.ServiceContract(Namespace=\"" << wcf_namespace_ << "\")]" << endl; + } + + indent(f_service_) << "public interface Iface" << extends_iface << " {" << endl; + + indent_up(); + + // We need to generate extra old style async methods for silverlight. Since + // this isn't something you'd want to implement server-side, just put them into + // the main Iface interface. + generate_silverlight_async_methods(tservice); + + indent_down(); + + f_service_ << indent() << "}" << endl << endl; +} + +void t_csharp_generator::generate_silverlight_async_methods(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) { + generate_csharp_doc(f_service_, *f_iter); + + // For backwards compatibility, include the Begin_, End_ methods if we're generating + // with the async flag. I'm not sure this is necessary, so someone with more knowledge + // can maybe remove these checks if they know it's safe. + if (!async_) { + indent(f_service_) << "#if SILVERLIGHT" << endl; + } + + indent(f_service_) << function_signature_async_begin(*f_iter, "Begin_") << ";" << endl; + indent(f_service_) << function_signature_async_end(*f_iter, "End_") << ";" << endl; + + if (!async_) { + indent(f_service_) << "#endif" << endl; + } + } +} + +void t_csharp_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_csharp_struct_definition(f_service_, ts, false, true); + generate_function_helpers(*f_iter); + } +} + +void t_csharp_generator::generate_service_client(t_service* tservice) { + string extends = ""; + string extends_client = ""; + if (tservice->get_extends() != NULL) { + extends = type_name(tservice->get_extends()); + extends_client = extends + ".Client, "; + } else { + extends_client = "IDisposable, "; + } + + generate_csharp_doc(f_service_, tservice); + + indent(f_service_) << "public class Client : " << extends_client << "Iface {" << endl; + indent_up(); + indent(f_service_) << "public Client(TProtocol prot) : this(prot, prot)" << endl; + scope_up(f_service_); + scope_down(f_service_); + f_service_ << endl; + + indent(f_service_) << "public Client(TProtocol iprot, TProtocol oprot)"; + if (!extends.empty()) { + f_service_ << " : base(iprot, oprot)"; + } + f_service_ << endl; + + scope_up(f_service_); + if (extends.empty()) { + f_service_ << indent() << "iprot_ = iprot;" << endl << indent() << "oprot_ = oprot;" << endl; + } + scope_down(f_service_); + + f_service_ << endl; + + if (extends.empty()) { + f_service_ << indent() << "protected TProtocol iprot_;" << endl << indent() + << "protected TProtocol oprot_;" << endl << indent() << "protected int seqid_;" + << endl << endl; + + f_service_ << indent() << "public TProtocol InputProtocol" << endl; + scope_up(f_service_); + indent(f_service_) << "get { return iprot_; }" << endl; + scope_down(f_service_); + + f_service_ << indent() << "public TProtocol OutputProtocol" << endl; + scope_up(f_service_); + indent(f_service_) << "get { return oprot_; }" << endl; + scope_down(f_service_); + f_service_ << endl << endl; + + indent(f_service_) << "#region \" IDisposable Support \"" << endl; + indent(f_service_) << "private bool _IsDisposed;" << endl << endl; + indent(f_service_) << "// IDisposable" << endl; + indent(f_service_) << "public void Dispose()" << endl; + scope_up(f_service_); + indent(f_service_) << "Dispose(true);" << endl; + scope_down(f_service_); + indent(f_service_) << endl << endl; + indent(f_service_) << "protected virtual void Dispose(bool disposing)" << endl; + scope_up(f_service_); + indent(f_service_) << "if (!_IsDisposed)" << endl; + scope_up(f_service_); + indent(f_service_) << "if (disposing)" << endl; + scope_up(f_service_); + indent(f_service_) << "if (iprot_ != null)" << endl; + scope_up(f_service_); + indent(f_service_) << "((IDisposable)iprot_).Dispose();" << endl; + scope_down(f_service_); + indent(f_service_) << "if (oprot_ != null)" << endl; + scope_up(f_service_); + indent(f_service_) << "((IDisposable)oprot_).Dispose();" << endl; + scope_down(f_service_); + scope_down(f_service_); + scope_down(f_service_); + indent(f_service_) << "_IsDisposed = true;" << endl; + scope_down(f_service_); + indent(f_service_) << "#endregion" << endl; + f_service_ << endl << endl; + } + + 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(); + + indent(f_service_) << endl; + + if (!async_) { + indent(f_service_) << "#if SILVERLIGHT" << endl; + indent(f_service_) << endl; + } + // Begin_ + indent(f_service_) << "public " << function_signature_async_begin(*f_iter, "Begin_") << endl; + scope_up(f_service_); + indent(f_service_) << "return " + << "send_" << funname << "(callback, state"; + + t_struct* arg_struct = (*f_iter)->get_arglist(); + prepare_member_name_mapping(arg_struct); + + const vector<t_field*>& fields = arg_struct->get_members(); + vector<t_field*>::const_iterator fld_iter; + for (fld_iter = fields.begin(); fld_iter != fields.end(); ++fld_iter) { + f_service_ << ", "; + f_service_ << normalize_name((*fld_iter)->get_name()); + } + f_service_ << ");" << endl; + scope_down(f_service_); + f_service_ << endl; + + // End + indent(f_service_) << "public " << function_signature_async_end(*f_iter, "End_") << endl; + scope_up(f_service_); + indent(f_service_) << "oprot_.Transport.EndFlush(asyncResult);" << endl; + if (!(*f_iter)->is_oneway()) { + f_service_ << indent(); + if (!(*f_iter)->get_returntype()->is_void()) { + f_service_ << "return "; + } + f_service_ << "recv_" << funname << "();" << endl; + } + scope_down(f_service_); + f_service_ << endl; + + // async + bool first; + if (async_) { + indent(f_service_) << "public async " << function_signature_async(*f_iter, "") << endl; + scope_up(f_service_); + + if (!(*f_iter)->get_returntype()->is_void()) { + indent(f_service_) << type_name((*f_iter)->get_returntype()) << " retval;" << endl; + indent(f_service_) << "retval = "; + } else { + indent(f_service_); + } + f_service_ << "await Task.Run(() =>" << endl; + scope_up(f_service_); + indent(f_service_); + if (!(*f_iter)->get_returntype()->is_void()) { + f_service_ << "return "; + } + f_service_ << funname << "("; + first = true; + for (fld_iter = fields.begin(); fld_iter != fields.end(); ++fld_iter) { + if (first) { + first = false; + } else { + f_service_ << ", "; + } + f_service_ << (*fld_iter)->get_name(); + } + f_service_ << ");" << endl; + indent_down(); + indent(f_service_) << "});" << endl; + if (!(*f_iter)->get_returntype()->is_void()) { + indent(f_service_) << "return retval;" << endl; + } + scope_down(f_service_); + f_service_ << endl; + } + + if (!async_) { + indent(f_service_) << "#endif" << endl << endl; + } + + generate_csharp_doc(f_service_, *f_iter); + indent(f_service_) << "public " << function_signature(*f_iter) << endl; + scope_up(f_service_); + + // silverlight invoke + if (!async_) { + indent(f_service_) << "#if SILVERLIGHT" << endl; + + indent(f_service_) << "var asyncResult = Begin_" << funname << "(null, null"; + for (fld_iter = fields.begin(); fld_iter != fields.end(); ++fld_iter) { + f_service_ << ", " << normalize_name((*fld_iter)->get_name()); + } + f_service_ << ");" << endl; + + if (!(*f_iter)->is_oneway()) { + f_service_ << indent(); + if (!(*f_iter)->get_returntype()->is_void()) { + f_service_ << "return "; + } + f_service_ << "End_" << funname << "(asyncResult);" << endl; + } + f_service_ << endl; + + indent(f_service_) << "#else" << endl; + } + + // synchronous invoke + indent(f_service_) << "send_" << funname << "("; + + first = true; + for (fld_iter = fields.begin(); fld_iter != fields.end(); ++fld_iter) { + if (first) { + first = false; + } else { + f_service_ << ", "; + } + f_service_ << normalize_name((*fld_iter)->get_name()); + } + f_service_ << ");" << endl; + + if (!(*f_iter)->is_oneway()) { + f_service_ << indent(); + if (!(*f_iter)->get_returntype()->is_void()) { + f_service_ << "return "; + } + f_service_ << "recv_" << funname << "();" << endl; + } + f_service_ << endl; + + if (!async_) { + indent(f_service_) << "#endif" << endl; + } + scope_down(f_service_); + + // Send + t_function send_function(g_type_void, + string("send_") + (*f_iter)->get_name(), + (*f_iter)->get_arglist()); + + string argsname = (*f_iter)->get_name() + "_args"; + + if (!async_) { + indent(f_service_) << "#if SILVERLIGHT" << endl; + } + + indent(f_service_) << "public " << function_signature_async_begin(&send_function) << endl; + scope_up(f_service_); + + f_service_ << indent() << "oprot_.WriteMessageBegin(new TMessage(\"" << funname << "\", " + << ((*f_iter)->is_oneway() ? "TMessageType.Oneway" : "TMessageType.Call") + << ", seqid_));" << endl << indent() << argsname << " args = new " << argsname + << "();" << endl; + + for (fld_iter = fields.begin(); fld_iter != fields.end(); ++fld_iter) { + f_service_ << indent() << "args." << prop_name(*fld_iter) << " = " + << normalize_name((*fld_iter)->get_name()) << ";" << endl; + } + + f_service_ << indent() << "args.Write(oprot_);" << endl << indent() + << "oprot_.WriteMessageEnd();" << endl; + indent(f_service_) << "return oprot_.Transport.BeginFlush(callback, state);" << endl; + + scope_down(f_service_); + f_service_ << endl; + + if (!async_) { + indent(f_service_) << "#else" << endl; + f_service_ << endl; + } + + indent(f_service_) << "public " << function_signature(&send_function) << endl; + scope_up(f_service_); + + f_service_ << indent() << "oprot_.WriteMessageBegin(new TMessage(\"" << funname << "\", " + << ((*f_iter)->is_oneway() ? "TMessageType.Oneway" : "TMessageType.Call") + << ", seqid_));" << endl << indent() << argsname << " args = new " << argsname + << "();" << endl; + + for (fld_iter = fields.begin(); fld_iter != fields.end(); ++fld_iter) { + f_service_ << indent() << "args." << prop_name(*fld_iter) << " = " + << normalize_name((*fld_iter)->get_name()) << ";" << endl; + } + + f_service_ << indent() << "args.Write(oprot_);" << endl << indent() + << "oprot_.WriteMessageEnd();" << endl; + + indent(f_service_) << "oprot_.Transport.Flush();" << endl; + cleanup_member_name_mapping(arg_struct); + scope_down(f_service_); + + if (!async_) { + indent(f_service_) << "#endif" << endl; + } + + f_service_ << endl; + + if (!(*f_iter)->is_oneway()) { + string resultname = (*f_iter)->get_name() + "_result"; + + t_struct noargs(program_); + t_function recv_function((*f_iter)->get_returntype(), + string("recv_") + (*f_iter)->get_name(), + &noargs, + (*f_iter)->get_xceptions()); + indent(f_service_) << "public " << function_signature(&recv_function) << endl; + scope_up(f_service_); + + t_struct* xs = (*f_iter)->get_xceptions(); + prepare_member_name_mapping(xs, xs->get_members(), resultname); + + f_service_ << indent() << "TMessage msg = iprot_.ReadMessageBegin();" << endl << indent() + << "if (msg.Type == TMessageType.Exception) {" << endl; + indent_up(); + f_service_ << indent() << "TApplicationException x = TApplicationException.Read(iprot_);" + << endl << indent() << "iprot_.ReadMessageEnd();" << endl << indent() << "throw x;" + << endl; + indent_down(); + f_service_ << indent() << "}" << endl << indent() << resultname << " result = new " + << resultname << "();" << endl << indent() << "result.Read(iprot_);" << endl + << indent() << "iprot_.ReadMessageEnd();" << endl; + + if (!(*f_iter)->get_returntype()->is_void()) { + if (nullable_) { + if (type_can_be_null((*f_iter)->get_returntype())) { + f_service_ << indent() << "if (result.Success != null) {" << endl << indent() + << " return result.Success;" << endl << indent() << "}" << endl; + } else { + f_service_ << indent() << "if (result.Success.HasValue) {" << endl << indent() + << " return result.Success.Value;" << endl << indent() << "}" << endl; + } + } else { + f_service_ << indent() << "if (result.__isset.success) {" << endl << indent() + << " return result.Success;" << endl << indent() << "}" << endl; + } + } + + 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) { + if (nullable_) { + f_service_ << indent() << "if (result." << prop_name(*x_iter) << " != null) {" << endl + << indent() << " throw result." << prop_name(*x_iter) << ";" << endl + << indent() << "}" << endl; + } else { + f_service_ << indent() << "if (result.__isset." << normalize_name((*x_iter)->get_name()) + << ") {" << endl << indent() << " throw result." << prop_name(*x_iter) << ";" + << endl << indent() << "}" << endl; + } + } + + if ((*f_iter)->get_returntype()->is_void()) { + indent(f_service_) << "return;" << endl; + } else { + f_service_ << indent() + << "throw new " + "TApplicationException(TApplicationException.ExceptionType.MissingResult, \"" + << (*f_iter)->get_name() << " failed: unknown result\");" << endl; + } + + cleanup_member_name_mapping((*f_iter)->get_xceptions()); + scope_down(f_service_); + f_service_ << endl; + } + } + + indent_down(); + indent(f_service_) << "}" << endl; +} + +void t_csharp_generator::generate_service_server(t_service* tservice) { + if (async_) { + generate_service_server_async(tservice); + generate_service_server_sync(tservice); + } + else { + generate_service_server_sync(tservice); + } +} + +void t_csharp_generator::generate_service_server_sync(t_service* tservice) { + vector<t_function*> functions = tservice->get_functions(); + vector<t_function*>::iterator f_iter; + + string extends = ""; + string extends_processor = ""; + if (tservice->get_extends() != NULL) { + extends = type_name(tservice->get_extends()); + extends_processor = extends + ".Processor, "; + } + + indent(f_service_) << "public class Processor : " << extends_processor << "TProcessor {" << endl; + indent_up(); + + indent(f_service_) << "public Processor(ISync iface)"; + + if (!extends.empty()) { + f_service_ << " : base(iface)"; + } + f_service_ << endl; + scope_up(f_service_); + f_service_ << indent() << "iface_ = iface;" << endl; + + for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) { + f_service_ << indent() << "processMap_[\"" << (*f_iter)->get_name() + << "\"] = " << (*f_iter)->get_name() << "_Process;" << endl; + } + + scope_down(f_service_); + f_service_ << endl; + + if (extends.empty()) { + f_service_ + << indent() + << "protected delegate void ProcessFunction(int seqid, TProtocol iprot, TProtocol oprot);" + << endl; + } + + f_service_ << indent() << "private ISync iface_;" << endl; + + if (extends.empty()) { + f_service_ << indent() << "protected Dictionary<string, ProcessFunction> processMap_ = new " + "Dictionary<string, ProcessFunction>();" << endl; + } + + f_service_ << endl; + + if (extends.empty()) { + indent(f_service_) << "public bool Process(TProtocol iprot, TProtocol oprot)" << endl; + } + else { + indent(f_service_) << "public new bool Process(TProtocol iprot, TProtocol oprot)" << endl; + } + scope_up(f_service_); + + f_service_ << indent() << "try" << endl; + scope_up(f_service_); + + f_service_ << indent() << "TMessage msg = iprot.ReadMessageBegin();" << endl; + + f_service_ + << indent() << "ProcessFunction fn;" << endl << indent() + << "processMap_.TryGetValue(msg.Name, out fn);" << endl << indent() << "if (fn == null) {" + << endl << indent() << " TProtocolUtil.Skip(iprot, TType.Struct);" << endl << indent() + << " iprot.ReadMessageEnd();" << endl << indent() + << " TApplicationException x = new TApplicationException " + "(TApplicationException.ExceptionType.UnknownMethod, \"Invalid method name: '\" + " + "msg.Name + \"'\");" << endl << indent() + << " oprot.WriteMessageBegin(new TMessage(msg.Name, TMessageType.Exception, msg.SeqID));" + << endl << indent() << " x.Write(oprot);" << endl << indent() << " oprot.WriteMessageEnd();" + << endl << indent() << " oprot.Transport.Flush();" << endl << indent() << " return true;" + << endl << indent() << "}" << endl << indent() << "fn(msg.SeqID, iprot, oprot);" << endl; + + scope_down(f_service_); + + f_service_ << indent() << "catch (IOException)" << endl; + scope_up(f_service_); + f_service_ << indent() << "return false;" << endl; + scope_down(f_service_); + + f_service_ << indent() << "return true;" << endl; + + scope_down(f_service_); + f_service_ << endl; + + for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) { + generate_process_function(tservice, *f_iter); + } + + indent_down(); + indent(f_service_) << "}" << endl << endl; +} + +void t_csharp_generator::generate_service_server_async(t_service* tservice) { + vector<t_function*> functions = tservice->get_functions(); + vector<t_function*>::iterator f_iter; + + string extends = ""; + string extends_processor = ""; + if (tservice->get_extends() != NULL) { + extends = type_name(tservice->get_extends()); + extends_processor = extends + ".AsyncProcessor, "; + } + + indent(f_service_) << "public class AsyncProcessor : " << extends_processor << "TAsyncProcessor {" << endl; + indent_up(); + + indent(f_service_) << "public AsyncProcessor(IAsync iface)"; + if (!extends.empty()) { + f_service_ << " : base(iface)"; + } + f_service_ << endl; + scope_up(f_service_); + f_service_ << indent() << "iface_ = iface;" << endl; + + for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) { + f_service_ << indent() << "processMap_[\"" << (*f_iter)->get_name() + << "\"] = " << (*f_iter)->get_name() << "_ProcessAsync;" << endl; + } + + scope_down(f_service_); + f_service_ << endl; + + if (extends.empty()) { + f_service_ + << indent() + << "protected delegate Task ProcessFunction(int seqid, TProtocol iprot, TProtocol oprot);" + << endl; + } + + f_service_ << indent() << "private IAsync iface_;" << endl; + + if (extends.empty()) { + f_service_ << indent() << "protected Dictionary<string, ProcessFunction> processMap_ = new " + "Dictionary<string, ProcessFunction>();" << endl; + } + + f_service_ << endl; + + if (extends.empty()) { + indent(f_service_) << "public async Task<bool> ProcessAsync(TProtocol iprot, TProtocol oprot)" << endl; + } + else { + indent(f_service_) << "public new async Task<bool> ProcessAsync(TProtocol iprot, TProtocol oprot)" << endl; + } + scope_up(f_service_); + + f_service_ << indent() << "try" << endl; + scope_up(f_service_); + + f_service_ << indent() << "TMessage msg = iprot.ReadMessageBegin();" << endl; + + f_service_ + << indent() << "ProcessFunction fn;" << endl << indent() + << "processMap_.TryGetValue(msg.Name, out fn);" << endl << indent() << "if (fn == null) {" + << endl << indent() << " TProtocolUtil.Skip(iprot, TType.Struct);" << endl << indent() + << " iprot.ReadMessageEnd();" << endl << indent() + << " TApplicationException x = new TApplicationException " + "(TApplicationException.ExceptionType.UnknownMethod, \"Invalid method name: '\" + " + "msg.Name + \"'\");" << endl << indent() + << " oprot.WriteMessageBegin(new TMessage(msg.Name, TMessageType.Exception, msg.SeqID));" + << endl << indent() << " x.Write(oprot);" << endl << indent() << " oprot.WriteMessageEnd();" + << endl << indent() << " oprot.Transport.Flush();" << endl << indent() << " return true;" + << endl << indent() << "}" << endl << indent() << "await fn(msg.SeqID, iprot, oprot);" << endl; + + scope_down(f_service_); + + f_service_ << indent() << "catch (IOException)" << endl; + scope_up(f_service_); + f_service_ << indent() << "return false;" << endl; + scope_down(f_service_); + + f_service_ << indent() << "return true;" << endl; + + scope_down(f_service_); + f_service_ << endl; + + for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) { + generate_process_function_async(tservice, *f_iter); + } + + indent_down(); + indent(f_service_) << "}" << endl << endl; +} + +void t_csharp_generator::generate_function_helpers(t_function* tfunction) { + if (tfunction->is_oneway()) { + return; + } + + t_struct result(program_, 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_csharp_struct_definition(f_service_, &result, false, true, true); +} + +void t_csharp_generator::generate_process_function(t_service* tservice, t_function* tfunction) { + (void)tservice; + indent(f_service_) << "public void " << tfunction->get_name() + << "_Process(int seqid, TProtocol iprot, TProtocol oprot)" << endl; + scope_up(f_service_); + + string argsname = tfunction->get_name() + "_args"; + string resultname = tfunction->get_name() + "_result"; + + f_service_ << indent() << argsname << " args = new " << argsname << "();" << endl + << indent() << "args.Read(iprot);" << endl + << indent() << "iprot.ReadMessageEnd();" << endl; + + t_struct* xs = tfunction->get_xceptions(); + const std::vector<t_field*>& xceptions = xs->get_members(); + vector<t_field*>::const_iterator x_iter; + + if (!tfunction->is_oneway()) { + f_service_ << indent() << resultname << " result = new " << resultname << "();" << endl; + } + + f_service_ << indent() << "try" << endl + << indent() << "{" << endl; + indent_up(); + + if (xceptions.size() > 0) { + f_service_ << indent() << "try" << endl + << indent() << "{" << endl; + indent_up(); + } + + t_struct* arg_struct = tfunction->get_arglist(); + const std::vector<t_field*>& fields = arg_struct->get_members(); + vector<t_field*>::const_iterator f_iter; + + f_service_ << indent(); + if (!tfunction->is_oneway() && !tfunction->get_returntype()->is_void()) { + f_service_ << "result.Success = "; + } + f_service_ << "iface_." << normalize_name(tfunction->get_name()) << "("; + bool first = true; + prepare_member_name_mapping(arg_struct); + for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { + if (first) { + first = false; + } else { + f_service_ << ", "; + } + f_service_ << "args." << prop_name(*f_iter); + if (nullable_ && !type_can_be_null((*f_iter)->get_type())) { + f_service_ << ".Value"; + } + } + cleanup_member_name_mapping(arg_struct); + f_service_ << ");" << endl; + + prepare_member_name_mapping(xs, xs->get_members(), resultname); + if (xceptions.size() > 0) { + indent_down(); + f_service_ << indent() << "}" << endl; + for (x_iter = xceptions.begin(); x_iter != xceptions.end(); ++x_iter) { + f_service_ << indent() << "catch (" << type_name((*x_iter)->get_type(), false, false) << " " + << (*x_iter)->get_name() << ")" << endl + << indent() << "{" << endl; + if (!tfunction->is_oneway()) { + indent_up(); + f_service_ << indent() << "result." << prop_name(*x_iter) << " = " << (*x_iter)->get_name() + << ";" << endl; + indent_down(); + } + f_service_ << indent() << "}" << endl; + } + } + if (!tfunction->is_oneway()) { + f_service_ << indent() << "oprot.WriteMessageBegin(new TMessage(\"" << tfunction->get_name() + << "\", TMessageType.Reply, seqid)); " << endl; + f_service_ << indent() << "result.Write(oprot);" << endl; + } + indent_down(); + + cleanup_member_name_mapping(xs); + + f_service_ << indent() << "}" << endl + << indent() << "catch (TTransportException)" << endl + << indent() << "{" << endl + << indent() << " throw;" << endl + << indent() << "}" << endl + << indent() << "catch (Exception ex)" << endl + << indent() << "{" << endl + << indent() << " Console.Error.WriteLine(\"Error occurred in processor:\");" << endl + << indent() << " Console.Error.WriteLine(ex.ToString());" << endl; + + if (tfunction->is_oneway()) { + f_service_ << indent() << "}" << endl; + } else { + f_service_ << indent() << " TApplicationException x = new TApplicationException" << indent() + << "(TApplicationException.ExceptionType.InternalError,\" Internal error.\");" + << endl + << indent() << " oprot.WriteMessageBegin(new TMessage(\"" << tfunction->get_name() + << "\", TMessageType.Exception, seqid));" << endl + << indent() << " x.Write(oprot);" << endl + << indent() << "}" << endl; + f_service_ << indent() << "oprot.WriteMessageEnd();" << endl + << indent() << "oprot.Transport.Flush();" << endl; + } + + scope_down(f_service_); + + f_service_ << endl; +} + +void t_csharp_generator::generate_process_function_async(t_service* tservice, t_function* tfunction) { + (void)tservice; + indent(f_service_) << "public async Task " << tfunction->get_name() + << "_ProcessAsync(int seqid, TProtocol iprot, TProtocol oprot)" << endl; + scope_up(f_service_); + + string argsname = tfunction->get_name() + "_args"; + string resultname = tfunction->get_name() + "_result"; + + f_service_ << indent() << argsname << " args = new " << argsname << "();" << endl + << indent() << "args.Read(iprot);" << endl + << indent() << "iprot.ReadMessageEnd();" << endl; + + t_struct* xs = tfunction->get_xceptions(); + const std::vector<t_field*>& xceptions = xs->get_members(); + vector<t_field*>::const_iterator x_iter; + + if (!tfunction->is_oneway()) { + f_service_ << indent() << resultname << " result = new " << resultname << "();" << endl; + } + + f_service_ << indent() << "try" << endl + << indent() << "{" << endl; + indent_up(); + + if (xceptions.size() > 0) { + f_service_ << indent() << "try" << endl + << indent() << "{" << endl; + indent_up(); + } + + t_struct* arg_struct = tfunction->get_arglist(); + const std::vector<t_field*>& fields = arg_struct->get_members(); + vector<t_field*>::const_iterator f_iter; + + f_service_ << indent(); + if (!tfunction->is_oneway() && !tfunction->get_returntype()->is_void()) { + f_service_ << "result.Success = "; + } + f_service_ << "await iface_." << normalize_name(tfunction->get_name()) << "Async("; + bool first = true; + prepare_member_name_mapping(arg_struct); + for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { + if (first) { + first = false; + } + else { + f_service_ << ", "; + } + f_service_ << "args." << prop_name(*f_iter); + if (nullable_ && !type_can_be_null((*f_iter)->get_type())) { + f_service_ << ".Value"; + } + } + cleanup_member_name_mapping(arg_struct); + f_service_ << ");" << endl; + + prepare_member_name_mapping(xs, xs->get_members(), resultname); + if (xceptions.size() > 0) { + indent_down(); + f_service_ << indent() << "}" << endl; + for (x_iter = xceptions.begin(); x_iter != xceptions.end(); ++x_iter) { + f_service_ << indent() << "catch (" << type_name((*x_iter)->get_type(), false, false) << " " + << (*x_iter)->get_name() << ")" << endl + << indent() << "{" << endl; + if (!tfunction->is_oneway()) { + indent_up(); + f_service_ << indent() << "result." << prop_name(*x_iter) << " = " << (*x_iter)->get_name() + << ";" << endl; + indent_down(); + } + f_service_ << indent() << "}" << endl; + } + } + if (!tfunction->is_oneway()) { + f_service_ << indent() << "oprot.WriteMessageBegin(new TMessage(\"" << tfunction->get_name() + << "\", TMessageType.Reply, seqid)); " << endl; + f_service_ << indent() << "result.Write(oprot);" << endl; + } + indent_down(); + + cleanup_member_name_mapping(xs); + + f_service_ << indent() << "}" << endl + << indent() << "catch (TTransportException)" << endl + << indent() << "{" << endl + << indent() << " throw;" << endl + << indent() << "}" << endl + << indent() << "catch (Exception ex)" << endl + << indent() << "{" << endl + << indent() << " Console.Error.WriteLine(\"Error occurred in processor:\");" << endl + << indent() << " Console.Error.WriteLine(ex.ToString());" << endl; + + if (tfunction->is_oneway()) { + f_service_ << indent() << "}" << endl; + } + else { + f_service_ << indent() << " TApplicationException x = new TApplicationException" << indent() + << "(TApplicationException.ExceptionType.InternalError,\" Internal error.\");" + << endl + << indent() << " oprot.WriteMessageBegin(new TMessage(\"" << tfunction->get_name() + << "\", TMessageType.Exception, seqid));" << endl + << indent() << " x.Write(oprot);" << endl + << indent() << "}" << endl; + f_service_ << indent() << "oprot.WriteMessageEnd();" << endl + << indent() << "oprot.Transport.Flush();" << endl; + } + + scope_down(f_service_); + + f_service_ << endl; +} + +void t_csharp_generator::generate_csharp_union_reader(std::ostream& out, t_struct* tunion) { + // Thanks to THRIFT-1768, we don't need to check for required fields in the union + const vector<t_field*>& fields = tunion->get_members(); + vector<t_field*>::const_iterator f_iter; + + indent(out) << "public static " << tunion->get_name() << " Read(TProtocol iprot)" << endl; + scope_up(out); + + out << indent() << "iprot.IncrementRecursionDepth();" << endl; + out << indent() << "try" << endl; + scope_up(out); + + indent(out) << tunion->get_name() << " retval;" << endl; + indent(out) << "iprot.ReadStructBegin();" << endl; + indent(out) << "TField field = iprot.ReadFieldBegin();" << endl; + // we cannot have the first field be a stop -- we must have a single field defined + indent(out) << "if (field.Type == TType.Stop)" << endl; + scope_up(out); + indent(out) << "iprot.ReadFieldEnd();" << endl; + indent(out) << "retval = new ___undefined();" << endl; + scope_down(out); + indent(out) << "else" << endl; + scope_up(out); + indent(out) << "switch (field.ID)" << endl; + scope_up(out); + + for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { + indent(out) << "case " << (*f_iter)->get_key() << ":" << endl; + indent_up(); + indent(out) << "if (field.Type == " << type_to_enum((*f_iter)->get_type()) << ") {" << endl; + indent_up(); + + indent(out) << type_name((*f_iter)->get_type()) << " temp;" << endl; + generate_deserialize_field(out, (*f_iter), "temp", true); + indent(out) << "retval = new " << (*f_iter)->get_name() << "(temp);" << endl; + + indent_down(); + out << indent() << "} else { " << endl << indent() << " TProtocolUtil.Skip(iprot, field.Type);" + << endl << indent() << " retval = new ___undefined();" << endl << indent() << "}" << endl + << indent() << "break;" << endl; + indent_down(); + } + + indent(out) << "default: " << endl; + indent_up(); + indent(out) << "TProtocolUtil.Skip(iprot, field.Type);" << endl << indent() + << "retval = new ___undefined();" << endl; + indent(out) << "break;" << endl; + indent_down(); + + scope_down(out); + + indent(out) << "iprot.ReadFieldEnd();" << endl; + + indent(out) << "if (iprot.ReadFieldBegin().Type != TType.Stop)" << endl; + scope_up(out); + indent(out) << "throw new TProtocolException(TProtocolException.INVALID_DATA);" << endl; + scope_down(out); + + // end of else for TStop + scope_down(out); + indent(out) << "iprot.ReadStructEnd();" << endl; + indent(out) << "return retval;" << endl; + indent_down(); + + scope_down(out); + out << indent() << "finally" << endl; + scope_up(out); + out << indent() << "iprot.DecrementRecursionDepth();" << endl; + scope_down(out); + + indent(out) << "}" << endl << endl; +} + +void t_csharp_generator::generate_deserialize_field(ostream& out, + t_field* tfield, + string prefix, + bool is_propertyless) { + t_type* type = tfield->get_type(); + while (type->is_typedef()) { + type = ((t_typedef*)type)->get_type(); + } + + if (type->is_void()) { + throw "CANNOT GENERATE DESERIALIZE CODE FOR void TYPE: " + prefix + tfield->get_name(); + } + + string name = prefix + (is_propertyless ? "" : prop_name(tfield)); + + 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 << " = "; + + if (type->is_enum()) { + out << "(" << type_name(type, false, true) << ")"; + } + + out << "iprot."; + + if (type->is_base_type()) { + t_base_type::t_base tbase = ((t_base_type*)type)->get_base(); + switch (tbase) { + case t_base_type::TYPE_VOID: + throw "compiler error: cannot serialize void field in a struct: " + name; + break; + case t_base_type::TYPE_STRING: + if (type->is_binary()) { + out << "ReadBinary();"; + } else { + out << "ReadString();"; + } + break; + case t_base_type::TYPE_BOOL: + out << "ReadBool();"; + break; + case t_base_type::TYPE_I8: + out << "ReadByte();"; + break; + case t_base_type::TYPE_I16: + out << "ReadI16();"; + break; + case t_base_type::TYPE_I32: + out << "ReadI32();"; + break; + case t_base_type::TYPE_I64: + out << "ReadI64();"; + break; + case t_base_type::TYPE_DOUBLE: + out << "ReadDouble();"; + break; + default: + throw "compiler error: no C# name for base type " + t_base_type::t_base_name(tbase); + } + } else if (type->is_enum()) { + out << "ReadI32();"; + } + out << endl; + } else { + printf("DO NOT KNOW HOW TO DESERIALIZE FIELD '%s' TYPE '%s'\n", + tfield->get_name().c_str(), + type_name(type).c_str()); + } +} + +void t_csharp_generator::generate_deserialize_struct(ostream& out, + t_struct* tstruct, + string prefix) { + if (union_ && tstruct->is_union()) { + out << indent() << prefix << " = " << type_name(tstruct) << ".Read(iprot);" << endl; + } else { + out << indent() << prefix << " = new " << type_name(tstruct) << "();" << endl << indent() + << prefix << ".Read(iprot);" << endl; + } +} + +void t_csharp_generator::generate_deserialize_container(ostream& out, + t_type* ttype, + string prefix) { + scope_up(out); + + string obj; + + if (ttype->is_map()) { + obj = tmp("_map"); + } else if (ttype->is_set()) { + obj = tmp("_set"); + } else if (ttype->is_list()) { + obj = tmp("_list"); + } + + indent(out) << prefix << " = new " << type_name(ttype, false, true) << "();" << endl; + if (ttype->is_map()) { + out << indent() << "TMap " << obj << " = iprot.ReadMapBegin();" << endl; + } else if (ttype->is_set()) { + out << indent() << "TSet " << obj << " = iprot.ReadSetBegin();" << endl; + } else if (ttype->is_list()) { + out << indent() << "TList " << obj << " = iprot.ReadListBegin();" << endl; + } + + string i = tmp("_i"); + indent(out) << "for( int " << i << " = 0; " << i << " < " << obj << ".Count" + << "; " + << "++" << i << ")" << endl; + scope_up(out); + + if (ttype->is_map()) { + generate_deserialize_map_element(out, (t_map*)ttype, prefix); + } else if (ttype->is_set()) { + generate_deserialize_set_element(out, (t_set*)ttype, prefix); + } else if (ttype->is_list()) { + generate_deserialize_list_element(out, (t_list*)ttype, prefix); + } + + scope_down(out); + + 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); +} + +void t_csharp_generator::generate_deserialize_map_element(ostream& out, + t_map* tmap, + string prefix) { + string key = tmp("_key"); + string val = tmp("_val"); + + t_field fkey(tmap->get_key_type(), key); + t_field fval(tmap->get_val_type(), val); + + indent(out) << declare_field(&fkey) << endl; + indent(out) << declare_field(&fval) << endl; + + generate_deserialize_field(out, &fkey); + generate_deserialize_field(out, &fval); + + indent(out) << prefix << "[" << key << "] = " << val << ";" << endl; +} + +void t_csharp_generator::generate_deserialize_set_element(ostream& out, + t_set* tset, + string prefix) { + string elem = tmp("_elem"); + t_field felem(tset->get_elem_type(), elem); + + indent(out) << declare_field(&felem) << endl; + + generate_deserialize_field(out, &felem); + + indent(out) << prefix << ".Add(" << elem << ");" << endl; +} + +void t_csharp_generator::generate_deserialize_list_element(ostream& out, + t_list* tlist, + string prefix) { + string elem = tmp("_elem"); + t_field felem(tlist->get_elem_type(), elem); + + indent(out) << declare_field(&felem) << endl; + + generate_deserialize_field(out, &felem); + + indent(out) << prefix << ".Add(" << elem << ");" << endl; +} + +void t_csharp_generator::generate_serialize_field(ostream& out, + t_field* tfield, + string prefix, + bool is_element, + bool is_propertyless) { + t_type* type = tfield->get_type(); + while (type->is_typedef()) { + type = ((t_typedef*)type)->get_type(); + } + + string name = prefix + (is_propertyless ? "" : prop_name(tfield)); + + if (type->is_void()) { + throw "CANNOT GENERATE SERIALIZE CODE FOR void TYPE: " + name; + } + + if (type->is_struct() || type->is_xception()) { + generate_serialize_struct(out, (t_struct*)type, name); + } else if (type->is_container()) { + generate_serialize_container(out, type, name); + } else if (type->is_base_type() || type->is_enum()) { + indent(out) << "oprot."; + + string nullable_name = nullable_ && !is_element && !field_is_required(tfield) ? name + ".Value" + : name; + + if (type->is_base_type()) { + t_base_type::t_base tbase = ((t_base_type*)type)->get_base(); + switch (tbase) { + case t_base_type::TYPE_VOID: + throw "compiler error: cannot serialize void field in a struct: " + name; + break; + case t_base_type::TYPE_STRING: + if (type->is_binary()) { + out << "WriteBinary("; + } else { + out << "WriteString("; + } + out << name << ");"; + break; + case t_base_type::TYPE_BOOL: + out << "WriteBool(" << nullable_name << ");"; + break; + case t_base_type::TYPE_I8: + out << "WriteByte(" << nullable_name << ");"; + break; + case t_base_type::TYPE_I16: + out << "WriteI16(" << nullable_name << ");"; + break; + case t_base_type::TYPE_I32: + out << "WriteI32(" << nullable_name << ");"; + break; + case t_base_type::TYPE_I64: + out << "WriteI64(" << nullable_name << ");"; + break; + case t_base_type::TYPE_DOUBLE: + out << "WriteDouble(" << nullable_name << ");"; + break; + default: + throw "compiler error: no C# name for base type " + t_base_type::t_base_name(tbase); + } + } else if (type->is_enum()) { + out << "WriteI32((int)" << nullable_name << ");"; + } + out << endl; + } else { + printf("DO NOT KNOW HOW TO SERIALIZE '%s%s' TYPE '%s'\n", + prefix.c_str(), + tfield->get_name().c_str(), + type_name(type).c_str()); + } +} + +void t_csharp_generator::generate_serialize_struct(ostream& out, + t_struct* tstruct, + string prefix) { + (void)tstruct; + out << indent() << prefix << ".Write(oprot);" << endl; +} + +void t_csharp_generator::generate_serialize_container(ostream& out, t_type* ttype, string prefix) { + scope_up(out); + + if (ttype->is_map()) { + 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 + << ".Count));" << endl; + } else if (ttype->is_set()) { + indent(out) << "oprot.WriteSetBegin(new TSet(" << type_to_enum(((t_set*)ttype)->get_elem_type()) + << ", " << prefix << ".Count));" << endl; + } else if (ttype->is_list()) { + indent(out) << "oprot.WriteListBegin(new TList(" + << type_to_enum(((t_list*)ttype)->get_elem_type()) << ", " << prefix << ".Count));" + << endl; + } + + string iter = tmp("_iter"); + if (ttype->is_map()) { + indent(out) << "foreach (" << type_name(((t_map*)ttype)->get_key_type()) << " " << iter + << " in " << prefix << ".Keys)"; + } else if (ttype->is_set()) { + indent(out) << "foreach (" << type_name(((t_set*)ttype)->get_elem_type()) << " " << iter + << " in " << prefix << ")"; + } else if (ttype->is_list()) { + indent(out) << "foreach (" << type_name(((t_list*)ttype)->get_elem_type()) << " " << iter + << " in " << prefix << ")"; + } + + out << endl; + scope_up(out); + + if (ttype->is_map()) { + generate_serialize_map_element(out, (t_map*)ttype, iter, prefix); + } else if (ttype->is_set()) { + generate_serialize_set_element(out, (t_set*)ttype, iter); + } else if (ttype->is_list()) { + generate_serialize_list_element(out, (t_list*)ttype, iter); + } + + scope_down(out); + + if (ttype->is_map()) { + indent(out) << "oprot.WriteMapEnd();" << endl; + } else if (ttype->is_set()) { + indent(out) << "oprot.WriteSetEnd();" << endl; + } else if (ttype->is_list()) { + indent(out) << "oprot.WriteListEnd();" << endl; + } + + scope_down(out); +} + +void t_csharp_generator::generate_serialize_map_element(ostream& out, + t_map* tmap, + string iter, + string map) { + t_field kfield(tmap->get_key_type(), iter); + generate_serialize_field(out, &kfield, "", true); + t_field vfield(tmap->get_val_type(), map + "[" + iter + "]"); + generate_serialize_field(out, &vfield, "", true); +} + +void t_csharp_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, "", true); +} + +void t_csharp_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, "", true); +} + +void t_csharp_generator::generate_property(ostream& out, + t_field* tfield, + bool isPublic, + bool generateIsset) { + generate_csharp_property(out, tfield, isPublic, generateIsset, "_"); +} +void t_csharp_generator::generate_csharp_property(ostream& out, + t_field* tfield, + bool isPublic, + bool generateIsset, + std::string fieldPrefix) { + if ((serialize_ || wcf_) && isPublic) { + indent(out) << "[DataMember(Order = 0)]" << endl; + } + bool has_default = field_has_default(tfield); + bool is_required = field_is_required(tfield); + if ((nullable_ && !has_default) || (is_required)) { + indent(out) << (isPublic ? "public " : "private ") + << type_name(tfield->get_type(), false, false, true, is_required) << " " + << prop_name(tfield) << " { get; set; }" << endl; + } else { + indent(out) << (isPublic ? "public " : "private ") + << type_name(tfield->get_type(), false, false, true) << " " << prop_name(tfield) + << endl; + scope_up(out); + indent(out) << "get" << endl; + scope_up(out); + bool use_nullable = false; + if (nullable_) { + t_type* ttype = tfield->get_type(); + while (ttype->is_typedef()) { + ttype = ((t_typedef*)ttype)->get_type(); + } + if (ttype->is_base_type()) { + use_nullable = ((t_base_type*)ttype)->get_base() != t_base_type::TYPE_STRING; + } else if (ttype->is_enum()) { + use_nullable = true; + } + } + indent(out) << "return " << fieldPrefix + tfield->get_name() << ";" << endl; + scope_down(out); + indent(out) << "set" << endl; + scope_up(out); + if (use_nullable) { + if (generateIsset) { + indent(out) << "__isset." << normalize_name(tfield->get_name()) << " = value.HasValue;" + << endl; + } + indent(out) << "if (value.HasValue) this." << fieldPrefix + tfield->get_name() + << " = value.Value;" << endl; + } else { + if (generateIsset) { + indent(out) << "__isset." << normalize_name(tfield->get_name()) << " = true;" << endl; + } + indent(out) << "this." << fieldPrefix + tfield->get_name() << " = value;" << endl; + } + scope_down(out); + scope_down(out); + } + out << endl; +} + +std::string t_csharp_generator::make_valid_csharp_identifier(std::string const& fromName) { + std::string str = fromName; + 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)) { + str.replace(i, 1, "_"); + } + } + + return str; +} + +void t_csharp_generator::cleanup_member_name_mapping(void* scope) { + if( member_mapping_scopes.empty()) { + throw "internal error: cleanup_member_name_mapping() no scope active"; + } + + member_mapping_scope& active = member_mapping_scopes.back(); + if (active.scope_member != scope) { + throw "internal error: cleanup_member_name_mapping() called for wrong struct"; + } + + member_mapping_scopes.pop_back(); +} + +string t_csharp_generator::get_mapped_member_name(string name) { + if( ! member_mapping_scopes.empty()) { + member_mapping_scope& active = member_mapping_scopes.back(); + map<string, string>::iterator iter = active.mapping_table.find(name); + if (active.mapping_table.end() != iter) { + return iter->second; + } + } + + pverbose("no mapping for member %s\n", name.c_str()); + return name; +} + +void t_csharp_generator::prepare_member_name_mapping(t_struct* tstruct) { + prepare_member_name_mapping(tstruct, tstruct->get_members(), tstruct->get_name()); +} + +void t_csharp_generator::prepare_member_name_mapping(void* scope, + const vector<t_field*>& members, + const string& structname) { + // begin new scope + member_mapping_scope dummy; + dummy.scope_member = 0; + member_mapping_scopes.push_back(dummy); + member_mapping_scope& active = member_mapping_scopes.back(); + active.scope_member = scope; + + // current C# generator policy: + // - prop names are always rendered with an Uppercase first letter + // - struct names are used as given + std::set<std::string> used_member_names; + vector<t_field*>::const_iterator iter; + + // prevent name conflicts with struct (CS0542 error) + used_member_names.insert(structname); + + // prevent name conflicts with known methods (THRIFT-2942) + used_member_names.insert("Read"); + used_member_names.insert("Write"); + + for (iter = members.begin(); iter != members.end(); ++iter) { + string oldname = (*iter)->get_name(); + string newname = prop_name(*iter, true); + while (true) { + + // new name conflicts with another member + if (used_member_names.find(newname) != used_member_names.end()) { + pverbose("struct %s: member %s conflicts with another member\n", + structname.c_str(), + newname.c_str()); + newname += '_'; + continue; + } + + // add always, this helps us to detect edge cases like + // different spellings ("foo" and "Foo") within the same struct + pverbose("struct %s: member mapping %s => %s\n", + structname.c_str(), + oldname.c_str(), + newname.c_str()); + active.mapping_table[oldname] = newname; + used_member_names.insert(newname); + break; + } + } +} + +std::string t_csharp_generator::prop_name(t_field* tfield, bool suppress_mapping) { + string name(tfield->get_name()); + if (suppress_mapping) { + name[0] = toupper(name[0]); + } else { + name = get_mapped_member_name(name); + } + return name; +} + +string t_csharp_generator::type_name(t_type* ttype, + bool in_container, + bool in_init, + bool in_param, + bool is_required) { + (void)in_init; + while (ttype->is_typedef()) { + ttype = ((t_typedef*)ttype)->get_type(); + } + + if (ttype->is_base_type()) { + return base_type_name((t_base_type*)ttype, in_container, in_param, is_required); + } else if (ttype->is_map()) { + t_map* tmap = (t_map*)ttype; + return "Dictionary<" + type_name(tmap->get_key_type(), true) + ", " + + type_name(tmap->get_val_type(), true) + ">"; + } else if (ttype->is_set()) { + t_set* tset = (t_set*)ttype; + return "THashSet<" + type_name(tset->get_elem_type(), true) + ">"; + } else if (ttype->is_list()) { + t_list* tlist = (t_list*)ttype; + return "List<" + type_name(tlist->get_elem_type(), true) + ">"; + } + + t_program* program = ttype->get_program(); + string postfix = (!is_required && nullable_ && in_param && ttype->is_enum()) ? "?" : ""; + if (program != NULL && program != program_) { + string ns = program->get_namespace("csharp"); + if (!ns.empty()) { + return ns + "." + normalize_name(ttype->get_name()) + postfix; + } + } + + return normalize_name(ttype->get_name()) + postfix; +} + +string t_csharp_generator::base_type_name(t_base_type* tbase, + bool in_container, + bool in_param, + bool is_required) { + (void)in_container; + string postfix = (!is_required && nullable_ && in_param) ? "?" : ""; + switch (tbase->get_base()) { + case t_base_type::TYPE_VOID: + return "void"; + case t_base_type::TYPE_STRING: + if (tbase->is_binary()) { + return "byte[]"; + } else { + return "string"; + } + case t_base_type::TYPE_BOOL: + return "bool" + postfix; + case t_base_type::TYPE_I8: + return "sbyte" + postfix; + case t_base_type::TYPE_I16: + return "short" + postfix; + case t_base_type::TYPE_I32: + return "int" + postfix; + case t_base_type::TYPE_I64: + return "long" + postfix; + case t_base_type::TYPE_DOUBLE: + return "double" + postfix; + default: + throw "compiler error: no C# name for base type " + t_base_type::t_base_name(tbase->get_base()); + } +} + +string t_csharp_generator::declare_field(t_field* tfield, bool init, std::string prefix) { + string result = type_name(tfield->get_type()) + " " + prefix + tfield->get_name(); + if (init) { + t_type* ttype = tfield->get_type(); + while (ttype->is_typedef()) { + ttype = ((t_typedef*)ttype)->get_type(); + } + if (ttype->is_base_type() && field_has_default(tfield)) { + std::ofstream dummy; + result += " = " + render_const_value(dummy, tfield->get_name(), ttype, tfield->get_value()); + } else if (ttype->is_base_type()) { + t_base_type::t_base tbase = ((t_base_type*)ttype)->get_base(); + switch (tbase) { + case t_base_type::TYPE_VOID: + throw "NO T_VOID CONSTRUCT"; + case t_base_type::TYPE_STRING: + result += " = null"; + break; + case t_base_type::TYPE_BOOL: + result += " = false"; + break; + case t_base_type::TYPE_I8: + case t_base_type::TYPE_I16: + case t_base_type::TYPE_I32: + case t_base_type::TYPE_I64: + result += " = 0"; + break; + case t_base_type::TYPE_DOUBLE: + result += " = (double)0"; + break; + } + } else if (ttype->is_enum()) { + result += " = (" + type_name(ttype, false, true) + ")0"; + } else if (ttype->is_container()) { + result += " = new " + type_name(ttype, false, true) + "()"; + } else { + result += " = new " + type_name(ttype, false, true) + "()"; + } + } + return result + ";"; +} + +string t_csharp_generator::function_signature(t_function* tfunction, string prefix) { + t_type* ttype = tfunction->get_returntype(); + return type_name(ttype) + " " + normalize_name(prefix + tfunction->get_name()) + "(" + + argument_list(tfunction->get_arglist()) + ")"; +} + +string t_csharp_generator::function_signature_async_begin(t_function* tfunction, string prefix) { + string comma = (tfunction->get_arglist()->get_members().size() > 0 ? ", " : ""); + return "IAsyncResult " + normalize_name(prefix + tfunction->get_name()) + + "(AsyncCallback callback, object state" + comma + argument_list(tfunction->get_arglist()) + + ")"; +} + +string t_csharp_generator::function_signature_async_end(t_function* tfunction, string prefix) { + t_type* ttype = tfunction->get_returntype(); + return type_name(ttype) + " " + normalize_name(prefix + tfunction->get_name()) + + "(IAsyncResult asyncResult)"; +} + +string t_csharp_generator::function_signature_async(t_function* tfunction, string prefix) { + t_type* ttype = tfunction->get_returntype(); + string task = "Task"; + if (!ttype->is_void()) + task += "<" + type_name(ttype) + ">"; + return task + " " + normalize_name(prefix + tfunction->get_name()) + "Async(" + + argument_list(tfunction->get_arglist()) + ")"; +} + +string t_csharp_generator::argument_list(t_struct* tstruct) { + string result = ""; + const vector<t_field*>& fields = tstruct->get_members(); + vector<t_field*>::const_iterator f_iter; + bool first = true; + for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { + if (first) { + first = false; + } else { + result += ", "; + } + result += type_name((*f_iter)->get_type()) + " " + normalize_name((*f_iter)->get_name()); + } + return result; +} + +string t_csharp_generator::type_to_enum(t_type* type) { + while (type->is_typedef()) { + type = ((t_typedef*)type)->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: + throw "NO T_VOID CONSTRUCT"; + case t_base_type::TYPE_STRING: + return "TType.String"; + case t_base_type::TYPE_BOOL: + return "TType.Bool"; + case t_base_type::TYPE_I8: + return "TType.Byte"; + case t_base_type::TYPE_I16: + return "TType.I16"; + case t_base_type::TYPE_I32: + return "TType.I32"; + case t_base_type::TYPE_I64: + return "TType.I64"; + case t_base_type::TYPE_DOUBLE: + return "TType.Double"; + } + } else if (type->is_enum()) { + return "TType.I32"; + } else if (type->is_struct() || type->is_xception()) { + return "TType.Struct"; + } else if (type->is_map()) { + return "TType.Map"; + } else if (type->is_set()) { + return "TType.Set"; + } else if (type->is_list()) { + return "TType.List"; + } + + throw "INVALID TYPE IN type_to_enum: " + type->get_name(); +} + +void t_csharp_generator::generate_csharp_docstring_comment(ostream& out, string contents) { + generate_docstring_comment(out, "/// <summary>\n", "/// ", contents, "/// </summary>\n"); +} + +void t_csharp_generator::generate_csharp_doc(ostream& out, t_field* field) { + if (field->get_type()->is_enum()) { + string combined_message = field->get_doc() + "\n<seealso cref=\"" + + get_enum_class_name(field->get_type()) + "\"/>"; + generate_csharp_docstring_comment(out, combined_message); + } else { + generate_csharp_doc(out, (t_doc*)field); + } +} + +void t_csharp_generator::generate_csharp_doc(ostream& out, t_doc* tdoc) { + if (tdoc->has_doc()) { + generate_csharp_docstring_comment(out, tdoc->get_doc()); + } +} + +void t_csharp_generator::generate_csharp_doc(ostream& out, t_function* tfunction) { + if (tfunction->has_doc()) { + stringstream ps; + 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; + ps << "\n<param name=\"" << p->get_name() << "\">"; + if (p->has_doc()) { + std::string str = p->get_doc(); + str.erase(std::remove(str.begin(), str.end(), '\n'), + str.end()); // remove the newlines that appear from the parser + ps << str; + } + ps << "</param>"; + } + generate_docstring_comment(out, + "", + "/// ", + "<summary>\n" + tfunction->get_doc() + "</summary>" + ps.str(), + ""); + } +} + +std::string t_csharp_generator::get_enum_class_name(t_type* type) { + string package = ""; + t_program* program = type->get_program(); + if (program != NULL && program != program_) { + package = program->get_namespace("csharp") + "."; + } + return package + type->get_name(); +} + + +THRIFT_REGISTER_GENERATOR( + csharp, + "C#", + " async: Adds Async support using Task.Run.\n" + " wcf: Adds bindings for WCF to generated classes.\n" + " serial: Add serialization support to generated classes.\n" + " nullable: Use nullable types for properties.\n" + " hashcode: Generate a hashcode and equals implementation for classes.\n" + " union: Use new union typing, which includes a static read function for union " + "types.\n") |