677 lines
24 KiB
C++
677 lines
24 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#include "tl_writer_cpp.h"
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#include <cassert>
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namespace td {
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std::string TD_TL_writer_cpp::gen_output_begin() const {
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std::string ext_include_str;
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for (auto &it : ext_include) {
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ext_include_str += "#include " + it + "\n";
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}
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if (!ext_include_str.empty()) {
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ext_include_str += "\n";
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}
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return "#include \"" + tl_name + ".h\"\n\n" + ext_include_str +
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"#include \"td/utils/common.h\"\n"
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"#include \"td/utils/format.h\"\n"
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"#include \"td/utils/logging.h\"\n"
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"#include \"td/utils/tl_parsers.h\"\n"
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"#include \"td/utils/tl_storers.h\"\n\n"
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"namespace td {\n"
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"namespace " +
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tl_name +
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" {\n\n"
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"std::string to_string(const BaseObject &value) {\n"
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" TlStorerToString storer;\n"
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" value.store(storer, \"\");\n"
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" return storer.str();\n"
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"}\n";
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}
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std::string TD_TL_writer_cpp::gen_output_end() const {
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return "} // namespace " + tl_name +
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"\n"
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"} // namespace td\n";
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}
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std::string TD_TL_writer_cpp::gen_field_definition(const std::string &class_name, const std::string &type_name,
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const std::string &field_name) const {
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return "";
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}
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std::string TD_TL_writer_cpp::gen_vars(const tl::tl_combinator *t, const tl::tl_tree_type *result_type,
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std::vector<tl::var_description> &vars) const {
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for (std::size_t i = 0; i < vars.size(); i++) {
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vars[i].index = static_cast<int>(i);
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vars[i].is_stored = false;
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vars[i].is_type = false;
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vars[i].parameter_num = -1;
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vars[i].function_arg_num = -1;
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}
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if (result_type != nullptr) {
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assert(result_type->children.empty());
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}
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for (std::size_t i = 0; i < t->args.size(); i++) {
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const tl::arg &a = t->args[i];
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int arg_type = a.type->get_type();
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if (arg_type == tl::NODE_TYPE_VAR_TYPE) {
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const tl::tl_tree_var_type *var_type = static_cast<const tl::tl_tree_var_type *>(a.type);
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assert(a.flags & tl::FLAG_EXCL);
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assert(var_type->var_num < static_cast<int>(vars.size()));
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assert(var_type->var_num >= 0);
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assert(!vars[var_type->var_num].is_type);
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vars[var_type->var_num].is_type = true;
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vars[var_type->var_num].function_arg_num = static_cast<int>(i);
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}
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}
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std::string res;
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for (std::size_t i = 0; i < vars.size(); i++) {
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if (!vars[i].is_type) {
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assert(vars[i].parameter_num == -1);
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assert(vars[i].function_arg_num == -1);
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assert(vars[i].is_stored == false);
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res += " " + gen_class_name("#") + " " + gen_var_name(vars[i]) + ";\n";
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}
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}
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return res;
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}
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std::string TD_TL_writer_cpp::gen_function_vars(const tl::tl_combinator *t,
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std::vector<tl::var_description> &vars) const {
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for (std::size_t i = 0; i < vars.size(); i++) {
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vars[i].index = static_cast<int>(i);
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vars[i].is_stored = false;
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vars[i].is_type = false;
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vars[i].parameter_num = -1;
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vars[i].function_arg_num = -1;
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}
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for (std::size_t i = 0; i < t->args.size(); i++) {
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const tl::arg &a = t->args[i];
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int arg_type = a.type->get_type();
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if (arg_type == tl::NODE_TYPE_VAR_TYPE) {
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const tl::tl_tree_var_type *var_type = static_cast<const tl::tl_tree_var_type *>(a.type);
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assert(a.flags & tl::FLAG_EXCL);
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assert(var_type->var_num >= 0);
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assert(!vars[var_type->var_num].is_type);
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vars[var_type->var_num].is_type = true;
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vars[var_type->var_num].function_arg_num = static_cast<int>(i);
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}
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}
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return "";
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}
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std::string TD_TL_writer_cpp::gen_uni(const tl::tl_tree_type *result_type, std::vector<tl::var_description> &vars,
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bool check_negative) const {
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assert(result_type->children.empty());
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return "";
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}
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std::string TD_TL_writer_cpp::gen_constructor_id_store_raw(const std::string &id) const {
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return "s.store_binary(" + id + ");";
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}
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std::string TD_TL_writer_cpp::gen_constructor_id_store(std::int32_t id, int storer_type) const {
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if (storer_type == 1) {
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return "";
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}
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return " " + gen_constructor_id_store_raw(int_to_string(id)) + "\n";
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}
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std::string TD_TL_writer_cpp::gen_fetch_class_name(const tl::tl_tree_type *tree_type) const {
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const tl::tl_type *t = tree_type->type;
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const std::string &name = t->name;
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if (name == "#" || name == "Int32") {
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return "TlFetchInt";
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}
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if (name == "Int53" || name == "Int64") {
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return "TlFetchLong";
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}
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if (name == "True" || name == "Bool" || name == "Int" || name == "Long" || name == "Double" || name == "Int128" ||
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name == "Int256") {
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return "TlFetch" + name;
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}
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if (name == "String") {
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return "TlFetchString<" + string_type + ">";
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}
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if (name == "Bytes") {
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return "TlFetchBytes<" + bytes_type + ">";
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}
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if (name == "Vector") {
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assert(t->arity == 1);
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assert(tree_type->children.size() == 1);
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assert(tree_type->children[0]->get_type() == tl::NODE_TYPE_TYPE);
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const tl::tl_tree_type *child = static_cast<const tl::tl_tree_type *>(tree_type->children[0]);
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return "TlFetchVector<" + gen_full_fetch_class_name(child) + ">";
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}
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assert(!is_built_in_simple_type(name) && !is_built_in_complex_type(name));
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for (std::size_t i = 0; i < tree_type->children.size(); i++) {
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assert(tree_type->children[i]->get_type() == tl::NODE_TYPE_NAT_CONST);
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}
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assert(tree_type->children.empty());
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return "TlFetchObject<" + gen_main_class_name(t) + ">";
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}
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std::string TD_TL_writer_cpp::gen_full_fetch_class_name(const tl::tl_tree_type *tree_type) const {
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const tl::tl_type *t = tree_type->type;
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const std::string &name = t->name;
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assert(!(t->flags & tl::FLAG_DEFAULT_CONSTRUCTOR)); // Not supported yet
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std::int32_t expected_constructor_id = 0;
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if (tree_type->flags & tl::FLAG_BARE) {
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assert(is_type_bare(t));
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} else {
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if (is_type_bare(t)) {
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for (std::size_t i = 0; i < t->constructors_num; i++) {
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if (is_built_in_complex_type(name) || is_combinator_supported(t->constructors[i])) {
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assert(expected_constructor_id == 0);
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expected_constructor_id = t->constructors[i]->id;
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assert(expected_constructor_id != 0);
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}
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}
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}
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}
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if (expected_constructor_id == 0) {
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return gen_fetch_class_name(tree_type);
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}
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return "TlFetchBoxed<" + gen_fetch_class_name(tree_type) + ", " + int_to_string(expected_constructor_id) + ">";
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}
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std::string TD_TL_writer_cpp::gen_type_fetch(const std::string &field_name, const tl::tl_tree_type *tree_type,
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const std::vector<tl::var_description> &vars, int parser_type) const {
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return gen_full_fetch_class_name(tree_type) + "::parse(p)";
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}
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std::string TD_TL_writer_cpp::gen_field_fetch(int field_num, const tl::arg &a, std::vector<tl::var_description> &vars,
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bool flat, int parser_type) const {
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assert(parser_type >= 0);
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std::string field_name = (parser_type == 0 ? (field_num == 0 ? ": " : ", ") : "res->") + gen_field_name(a.name);
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if (a.type->get_type() == tl::NODE_TYPE_VAR_TYPE) {
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assert(parser_type == 1);
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const tl::tl_tree_var_type *t = static_cast<const tl::tl_tree_var_type *>(a.type);
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assert(a.flags == tl::FLAG_EXCL);
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assert(a.var_num == -1);
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assert(a.exist_var_num == -1);
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assert(t->var_num >= 0);
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assert(vars[t->var_num].is_type);
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assert(!vars[t->var_num].is_stored);
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vars[t->var_num].is_stored = true;
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return " " + field_name + " = " + gen_base_function_class_name() + "::fetch(p);\n";
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}
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assert(!(a.flags & tl::FLAG_EXCL));
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assert(!(a.flags & tl::FLAG_OPT_VAR));
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std::string res = " ";
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if (a.exist_var_num != -1) {
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assert(0 <= a.exist_var_num && a.exist_var_num < static_cast<int>(vars.size()));
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assert(vars[a.exist_var_num].is_stored);
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res += "if (" + gen_var_name(vars[a.exist_var_num]) + " & " + int_to_string(1 << a.exist_var_bit) + ") { ";
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}
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if (flat) {
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// TODO
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// return gen_field_fetch(const tl::arg &a, std::vector<tl::var_description> &vars, int num, bool flat);
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}
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bool store_to_var_num = false;
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if (a.var_num >= 0) {
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assert(a.type->get_type() == tl::NODE_TYPE_TYPE);
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assert(static_cast<const tl::tl_tree_type *>(a.type)->type->id == tl::ID_VAR_NUM);
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assert(0 <= a.var_num && a.var_num < static_cast<int>(vars.size()));
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if (!vars[a.var_num].is_stored) {
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res += "if ((" + gen_var_name(vars[a.var_num]) + " = ";
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store_to_var_num = true;
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} else {
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assert(false);
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}
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vars[a.var_num].is_stored = true;
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}
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res += field_name + (parser_type == 0 ? "(" : " = ");
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assert(a.type->get_type() == tl::NODE_TYPE_TYPE);
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const tl::tl_tree_type *tree_type = static_cast<tl::tl_tree_type *>(a.type);
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res += gen_type_fetch(field_name, tree_type, vars, parser_type);
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if (store_to_var_num) {
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res += ") < 0) { FAIL(\"Variable of type # can't be negative\"); }";
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} else {
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res += (parser_type == 0 ? ")" : ";");
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}
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if (a.exist_var_num >= 0) {
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res += " }";
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if (store_to_var_num) {
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res += " else { " + gen_var_name(vars[a.var_num]) + " = 0; }";
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}
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}
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res += "\n";
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return res;
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}
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std::string TD_TL_writer_cpp::gen_var_type_fetch(const tl::arg &a) const {
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assert(false);
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return "";
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}
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std::string TD_TL_writer_cpp::get_pretty_field_name(std::string field_name) const {
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if (!field_name.empty() && field_name.back() == ']') {
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return "";
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}
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auto equals_pos = field_name.find('=');
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if (equals_pos != std::string::npos && equals_pos + 3 < field_name.size()) {
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field_name = field_name.substr(equals_pos + 2);
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if (field_name.back() == ')') {
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field_name.pop_back();
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}
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}
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while (!field_name.empty() && field_name.back() == '_') {
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field_name.pop_back();
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}
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return field_name;
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}
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std::string TD_TL_writer_cpp::get_pretty_class_name(std::string class_name) const {
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return class_name;
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}
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std::string TD_TL_writer_cpp::gen_vector_store(const std::string &field_name, const tl::tl_tree_type *t,
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const std::vector<tl::var_description> &vars, int storer_type) const {
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std::string num = field_name.back() == ']' ? "2" : "";
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return "{ const std::vector<" + gen_type_name(t) + "> &v" + num + " = " + field_name +
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"; const std::uint32_t multiplicity" + num + " = static_cast<std::uint32_t>(v" + num +
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".size()); const auto vector_name" + num + " = \"" + get_pretty_class_name("vector") +
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"[\" + td::to_string(multiplicity" + num + ")+ \"]\"; s.store_class_begin(\"" +
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get_pretty_field_name(field_name) + "\", vector_name" + num +
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".c_str()); "
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"for (std::uint32_t i" +
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num + " = 0; i" + num + " < multiplicity" + num + "; i" + num + "++) { " +
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gen_type_store("v" + num + "[i" + num + "]", t, vars, storer_type) + " } s.store_class_end(); }";
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}
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std::string TD_TL_writer_cpp::gen_store_class_name(const tl::tl_tree_type *tree_type) const {
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const tl::tl_type *t = tree_type->type;
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const std::string &name = t->name;
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if (name == "#" || name == "Int" || name == "Long" || name == "Int32" || name == "Int53" || name == "Int64" ||
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name == "Double" || name == "Int128" || name == "Int256") {
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return "TlStoreBinary";
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}
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if (name == "Bool") {
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return "TlStoreBool";
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}
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if (name == "True") {
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return "TlStoreTrue";
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}
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if (name == "String" || name == "Bytes") {
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return "TlStoreString";
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}
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if (name == "Vector") {
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assert(t->arity == 1);
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assert(tree_type->children.size() == 1);
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assert(tree_type->children[0]->get_type() == tl::NODE_TYPE_TYPE);
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const tl::tl_tree_type *child = static_cast<const tl::tl_tree_type *>(tree_type->children[0]);
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return "TlStoreVector<" + gen_full_store_class_name(child) + ">";
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}
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assert(!is_built_in_simple_type(name) && !is_built_in_complex_type(name));
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for (std::size_t i = 0; i < tree_type->children.size(); i++) {
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assert(tree_type->children[i]->get_type() == tl::NODE_TYPE_NAT_CONST);
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}
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assert(tree_type->children.empty());
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return "TlStoreObject";
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}
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std::string TD_TL_writer_cpp::gen_full_store_class_name(const tl::tl_tree_type *tree_type) const {
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const tl::tl_type *t = tree_type->type;
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assert(!(t->flags & tl::FLAG_DEFAULT_CONSTRUCTOR)); // Not supported yet
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if ((tree_type->flags & tl::FLAG_BARE) != 0 || t->name == "#" || t->name == "Bool") {
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return gen_store_class_name(tree_type);
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}
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if (is_built_in_complex_type(t->name)) {
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return "TlStoreBoxed<" + gen_store_class_name(tree_type) + ", " + int_to_string(t->constructors[0]->id) + ">";
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}
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if (!is_type_bare(t)) {
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return "TlStoreBoxedUnknown<" + gen_store_class_name(tree_type) + ">";
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}
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for (std::size_t i = 0; i < t->constructors_num; i++) {
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if (is_combinator_supported(t->constructors[i])) {
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return "TlStoreBoxed<" + gen_store_class_name(tree_type) + ", " + int_to_string(t->constructors[i]->id) + ">";
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}
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}
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assert(false);
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return "";
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}
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std::string TD_TL_writer_cpp::gen_type_store(const std::string &field_name, const tl::tl_tree_type *tree_type,
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const std::vector<tl::var_description> &vars, int storer_type) const {
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if (storer_type == 0) {
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return gen_full_store_class_name(tree_type) + "::store(" + field_name + ", s);";
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}
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const tl::tl_type *t = tree_type->type;
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const std::string &name = t->name;
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assert(!(t->flags & tl::FLAG_DEFAULT_CONSTRUCTOR)); // Not supported yet
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if (name == "#" || name == "Int" || name == "Long" || name == "Int32" || name == "Int53" || name == "Int64" ||
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name == "Double" || name == "Bool" || name == "String" || name == "Int128" || name == "Int256") {
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return "s.store_field(\"" + get_pretty_field_name(field_name) + "\", " + field_name + ");";
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} else if (name == "True") {
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// currently nothing to do
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return "";
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} else if (name == "Bytes") {
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return "s.store_bytes_field(\"" + get_pretty_field_name(field_name) + "\", " + field_name + ");";
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} else if (name == "Vector") {
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const tl::tl_tree_type *child = static_cast<const tl::tl_tree_type *>(tree_type->children[0]);
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return gen_vector_store(field_name, child, vars, storer_type);
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} else {
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assert(tree_type->children.empty());
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return "if (" + field_name + " == nullptr) { s.store_field(\"" + get_pretty_field_name(field_name) +
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"\", \"null\"); } else { " + field_name + "->store(s, \"" + get_pretty_field_name(field_name) + "\"); }";
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}
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}
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std::string TD_TL_writer_cpp::gen_field_store(const tl::arg &a, std::vector<tl::var_description> &vars, bool flat,
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int storer_type) const {
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std::string field_name = gen_field_name(a.name);
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std::string res = storer_type == 1 ? " " : " ";
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if (a.type->get_type() == tl::NODE_TYPE_VAR_TYPE) {
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const tl::tl_tree_var_type *t = static_cast<const tl::tl_tree_var_type *>(a.type);
|
|
assert(a.flags == tl::FLAG_EXCL);
|
|
|
|
assert(a.var_num == -1);
|
|
assert(a.exist_var_num == -1);
|
|
|
|
assert(t->var_num >= 0);
|
|
assert(!vars[t->var_num].is_stored);
|
|
vars[t->var_num].is_stored = true;
|
|
assert(vars[t->var_num].is_type);
|
|
|
|
return res + field_name + "->store(s);\n";
|
|
}
|
|
|
|
assert(!(a.flags & tl::FLAG_EXCL));
|
|
|
|
if (a.flags & tl::FLAG_OPT_VAR) {
|
|
assert(false);
|
|
assert(a.exist_var_num == -1);
|
|
assert(0 <= a.var_num && a.var_num < static_cast<int>(vars.size()));
|
|
|
|
assert(a.type->get_type() == tl::NODE_TYPE_TYPE);
|
|
assert(static_cast<const tl::tl_tree_type *>(a.type)->type->id == tl::ID_VAR_NUM);
|
|
assert(vars[a.var_num].is_stored);
|
|
assert(!vars[a.var_num].is_type);
|
|
return "";
|
|
}
|
|
|
|
if (a.exist_var_num >= 0) {
|
|
assert(a.exist_var_num < static_cast<int>(vars.size()));
|
|
assert(vars[a.exist_var_num].is_stored);
|
|
|
|
res += "if (" + gen_var_name(vars[a.exist_var_num]) + " & " + int_to_string(1 << a.exist_var_bit) + ") { ";
|
|
}
|
|
|
|
if (flat) {
|
|
// TODO
|
|
// return gen_field_store(const tl::arg &a, std::vector<tl::var_description> &vars, bool flat, int storer_type);
|
|
}
|
|
|
|
if (a.var_num >= 0) {
|
|
assert(a.type->get_type() == tl::NODE_TYPE_TYPE);
|
|
assert(static_cast<const tl::tl_tree_type *>(a.type)->type->id == tl::ID_VAR_NUM);
|
|
assert(a.var_num < static_cast<int>(vars.size()));
|
|
if (!vars[a.var_num].is_stored) {
|
|
field_name = "(" + gen_var_name(vars[a.var_num]) + " = " + field_name + ")";
|
|
vars[a.var_num].is_stored = true;
|
|
} else {
|
|
assert(false); // need to check value of stored var
|
|
field_name = gen_var_name(vars[a.var_num]);
|
|
}
|
|
}
|
|
|
|
assert(a.type->get_type() == tl::NODE_TYPE_TYPE);
|
|
const tl::tl_tree_type *tree_type = static_cast<tl::tl_tree_type *>(a.type);
|
|
res += gen_type_store(field_name, tree_type, vars, storer_type);
|
|
if (a.exist_var_num >= 0) {
|
|
res += " }";
|
|
}
|
|
res += "\n";
|
|
return res;
|
|
}
|
|
|
|
std::string TD_TL_writer_cpp::gen_forward_class_declaration(const std::string &class_name, bool is_proxy) const {
|
|
return "";
|
|
}
|
|
|
|
std::string TD_TL_writer_cpp::gen_class_begin(const std::string &class_name, const std::string &base_class_name,
|
|
bool is_proxy) const {
|
|
return "";
|
|
}
|
|
|
|
std::string TD_TL_writer_cpp::gen_class_end() const {
|
|
return "";
|
|
}
|
|
|
|
std::string TD_TL_writer_cpp::gen_class_alias(const std::string &class_name, const std::string &alias_name) const {
|
|
return "";
|
|
}
|
|
|
|
std::string TD_TL_writer_cpp::gen_get_id(const std::string &class_name, std::int32_t id, bool is_proxy) const {
|
|
if (is_proxy) {
|
|
return "";
|
|
}
|
|
return "\nconst std::int32_t " + class_name + "::ID;\n";
|
|
}
|
|
|
|
std::string TD_TL_writer_cpp::gen_function_result_type(const tl::tl_tree *result) const {
|
|
return "";
|
|
}
|
|
|
|
std::string TD_TL_writer_cpp::gen_fetch_function_begin(const std::string &parser_name, const std::string &class_name,
|
|
const std::string &parent_class_name, int arity,
|
|
std::vector<tl::var_description> &vars, int parser_type) const {
|
|
for (std::size_t i = 0; i < vars.size(); i++) {
|
|
assert(vars[i].is_stored == false);
|
|
}
|
|
|
|
std::string fetched_type = "object_ptr<" + class_name + "> ";
|
|
std::string returned_type = "object_ptr<" + parent_class_name + "> ";
|
|
assert(arity == 0);
|
|
|
|
if (parser_type == 0) {
|
|
return "\n" + returned_type + class_name + "::fetch(" + parser_name +
|
|
" &p) {\n"
|
|
" return make_tl_object<" +
|
|
class_name +
|
|
">(p);\n"
|
|
"}\n\n" +
|
|
class_name + "::" + class_name + "(" + parser_name +
|
|
" &p)\n"
|
|
"#define FAIL(error) p.set_error(error)\n";
|
|
}
|
|
|
|
return "\n" + returned_type + class_name + "::fetch(" + parser_name +
|
|
" &p) {\n"
|
|
"#define FAIL(error) p.set_error(error); return nullptr;\n" +
|
|
(parser_type == -1 ? "" : " " + fetched_type + "res = make_tl_object<" + class_name + ">();\n");
|
|
}
|
|
|
|
std::string TD_TL_writer_cpp::gen_fetch_function_end(bool has_parent, int field_num,
|
|
const std::vector<tl::var_description> &vars,
|
|
int parser_type) const {
|
|
for (std::size_t i = 0; i < vars.size(); i++) {
|
|
assert(vars[i].is_stored);
|
|
}
|
|
|
|
if (parser_type == 0) {
|
|
return "#undef FAIL\n"
|
|
"{" +
|
|
(field_num == 0 ? "\n (void)p;\n" : std::string()) + "}\n";
|
|
}
|
|
|
|
if (parser_type == -1) {
|
|
return "#undef FAIL\n"
|
|
"}\n";
|
|
}
|
|
|
|
return " if (p.get_error()) { FAIL(\"\"); }\n"
|
|
" return " +
|
|
std::string(has_parent ? "std::move(res)" : "res") +
|
|
";\n"
|
|
"#undef FAIL\n"
|
|
"}\n";
|
|
}
|
|
|
|
std::string TD_TL_writer_cpp::gen_fetch_function_result_begin(const std::string &parser_name,
|
|
const std::string &class_name,
|
|
const tl::tl_tree *result) const {
|
|
return "\n" + class_name + "::ReturnType " + class_name + "::fetch_result(" + parser_name +
|
|
" &p) {\n"
|
|
"#define FAIL(error) p.set_error(error); return ReturnType()\n"
|
|
" return ";
|
|
}
|
|
|
|
std::string TD_TL_writer_cpp::gen_fetch_function_result_end() const {
|
|
return ";\n"
|
|
"#undef FAIL\n"
|
|
"}\n";
|
|
}
|
|
|
|
std::string TD_TL_writer_cpp::gen_fetch_function_result_any_begin(const std::string &parser_name,
|
|
const std::string &class_name, bool is_proxy) const {
|
|
return "";
|
|
}
|
|
|
|
std::string TD_TL_writer_cpp::gen_fetch_function_result_any_end(bool is_proxy) const {
|
|
return "";
|
|
}
|
|
|
|
std::string TD_TL_writer_cpp::gen_store_function_begin(const std::string &storer_name, const std::string &class_name,
|
|
int arity, std::vector<tl::var_description> &vars,
|
|
int storer_type) const {
|
|
for (std::size_t i = 0; i < vars.size(); i++) {
|
|
vars[i].is_stored = false;
|
|
}
|
|
|
|
if (storer_type == -1) {
|
|
return "";
|
|
}
|
|
|
|
assert(arity == 0);
|
|
return "\n"
|
|
"void " +
|
|
class_name + "::store(" + storer_name + " &s" +
|
|
std::string(storer_type <= 0 ? "" : ", const char *field_name") + ") const {\n" +
|
|
(storer_type <= 0 ? " (void)sizeof(s);\n"
|
|
: " if (!LOG_IS_STRIPPED(ERROR)) {\n"
|
|
" s.store_class_begin(field_name, \"" +
|
|
get_pretty_class_name(class_name) + "\");\n");
|
|
}
|
|
|
|
std::string TD_TL_writer_cpp::gen_store_function_end(const std::vector<tl::var_description> &vars,
|
|
int storer_type) const {
|
|
for (std::size_t i = 0; i < vars.size(); i++) {
|
|
assert(vars[i].is_stored);
|
|
}
|
|
|
|
if (storer_type == -1) {
|
|
return "";
|
|
}
|
|
|
|
return (storer_type <= 0 ? std::string()
|
|
: " s.store_class_end();\n"
|
|
" }\n") +
|
|
"}\n";
|
|
}
|
|
|
|
std::string TD_TL_writer_cpp::gen_fetch_switch_begin() const {
|
|
return " int constructor = p.fetch_int();\n"
|
|
" switch (constructor) {\n";
|
|
}
|
|
|
|
std::string TD_TL_writer_cpp::gen_fetch_switch_case(const tl::tl_combinator *t, int arity) const {
|
|
assert(arity == 0);
|
|
return " case " + gen_class_name(t->name) +
|
|
"::ID:\n"
|
|
" return " +
|
|
gen_class_name(t->name) + "::fetch(p);\n";
|
|
}
|
|
|
|
std::string TD_TL_writer_cpp::gen_fetch_switch_end() const {
|
|
return " default:\n"
|
|
" FAIL(PSTRING() << \"Unknown constructor found \" << format::as_hex(constructor));\n"
|
|
" }\n";
|
|
}
|
|
|
|
std::string TD_TL_writer_cpp::gen_constructor_begin(int fields_num, const std::string &class_name,
|
|
bool is_default) const {
|
|
return "\n" + class_name + "::" + class_name + "(";
|
|
}
|
|
|
|
std::string TD_TL_writer_cpp::gen_constructor_field_init(int field_num, const std::string &class_name, const tl::arg &a,
|
|
bool is_default) const {
|
|
std::string field_type = gen_field_type(a);
|
|
if (field_type.empty()) {
|
|
return "";
|
|
}
|
|
std::string move_begin;
|
|
std::string move_end;
|
|
if ((field_type == bytes_type || field_type.compare(0, 11, "std::vector") == 0 ||
|
|
field_type.compare(0, 10, "object_ptr") == 0) &&
|
|
!is_default) {
|
|
move_begin = "std::move(";
|
|
move_end = ")";
|
|
}
|
|
|
|
return (field_num == 0 ? ")\n : " : " , ") + gen_field_name(a.name) + "(" + move_begin +
|
|
(is_default ? "" : gen_field_name(a.name)) + move_end + ")\n";
|
|
}
|
|
|
|
std::string TD_TL_writer_cpp::gen_constructor_end(const tl::tl_combinator *t, int fields_num, bool is_default) const {
|
|
if (fields_num == 0) {
|
|
return ") {\n"
|
|
"}\n";
|
|
}
|
|
return "{}\n";
|
|
}
|
|
|
|
} // namespace td
|