543 lines
18 KiB
C++
543 lines
18 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
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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_java.h"
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#include <cassert>
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namespace td {
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const int TD_TL_writer_java::MAX_ARITY;
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const std::string TD_TL_writer_java::base_type_class_names[MAX_ARITY + 1] = {"Object"};
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const std::string TD_TL_writer_java::base_tl_class_name = "Object";
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const std::string TD_TL_writer_java::base_function_class_name = "Function";
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int TD_TL_writer_java::get_max_arity() const {
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return MAX_ARITY;
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}
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bool TD_TL_writer_java::is_built_in_simple_type(const std::string &name) const {
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return name == "Bool" || name == "Int32" || name == "Int53" || name == "Int64" || name == "Double" ||
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name == "String" || name == "Bytes";
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}
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bool TD_TL_writer_java::is_built_in_complex_type(const std::string &name) const {
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return name == "Vector";
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}
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bool TD_TL_writer_java::is_type_bare(const tl::tl_type *t) const {
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return t->simple_constructors == 1 || (is_built_in_simple_type(t->name) && t->name != "Bool") ||
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is_built_in_complex_type(t->name);
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}
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bool TD_TL_writer_java::is_combinator_supported(const tl::tl_combinator *constructor) const {
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if (!TL_writer::is_combinator_supported(constructor)) {
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return false;
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}
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for (std::size_t i = 0; i < constructor->args.size(); i++) {
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if (constructor->args[i].type->get_type() == tl::NODE_TYPE_VAR_TYPE) {
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return false;
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}
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}
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return true;
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}
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int TD_TL_writer_java::get_parser_type(const tl::tl_combinator *t, const std::string &parser_name) const {
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return 0;
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}
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int TD_TL_writer_java::get_storer_type(const tl::tl_combinator *t, const std::string &storer_name) const {
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return storer_name == "StringBuilder";
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}
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std::vector<std::string> TD_TL_writer_java::get_parsers() const {
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std::vector<std::string> parsers;
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parsers.push_back("<inlined>");
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return parsers;
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}
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std::vector<std::string> TD_TL_writer_java::get_storers() const {
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std::vector<std::string> storers;
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storers.push_back("StringBuilder");
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return storers;
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}
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std::string TD_TL_writer_java::gen_base_tl_class_name() const {
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return base_tl_class_name;
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}
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std::string TD_TL_writer_java::gen_base_type_class_name(int arity) const {
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assert(arity == 0);
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return base_type_class_names[arity];
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}
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std::string TD_TL_writer_java::gen_base_function_class_name() const {
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return base_function_class_name;
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}
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std::string TD_TL_writer_java::gen_class_name(std::string name) const {
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if (name == "Object" || name == "#") {
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assert(false);
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}
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bool next_to_upper = true;
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std::string result;
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for (std::size_t i = 0; i < name.size(); i++) {
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if (!is_alnum(name[i])) {
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next_to_upper = true;
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continue;
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}
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if (next_to_upper) {
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result += to_upper(name[i]);
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next_to_upper = false;
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} else {
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result += name[i];
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}
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}
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return result;
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}
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std::string TD_TL_writer_java::gen_field_name(std::string name) const {
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assert(name.size() > 0);
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assert(is_alnum(name.back()));
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bool next_to_upper = false;
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std::string result;
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for (std::size_t i = 0; i < name.size(); i++) {
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if (!is_alnum(name[i])) {
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next_to_upper = true;
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continue;
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}
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if (next_to_upper) {
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result += to_upper(name[i]);
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next_to_upper = false;
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} else {
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result += name[i];
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}
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}
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return result;
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}
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std::string TD_TL_writer_java::gen_var_name(const tl::var_description &desc) const {
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assert(false);
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return std::string();
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}
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std::string TD_TL_writer_java::gen_parameter_name(int index) const {
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assert(false);
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return std::string();
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}
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std::string TD_TL_writer_java::gen_type_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 == "#") {
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assert(false);
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}
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if (name == "Bool") {
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return "boolean";
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}
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if (name == "Int32") {
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return "int";
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}
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if (name == "Int53" || name == "Int64") {
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return "long";
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}
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if (name == "Double") {
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return "double";
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}
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if (name == "String") {
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return "String";
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}
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if (name == "Bytes") {
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return "byte[]";
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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 gen_type_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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return gen_main_class_name(t);
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}
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std::string TD_TL_writer_java::gen_array_type_name(const tl::tl_tree_array *arr, const std::string &field_name) const {
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assert(false);
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return std::string();
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}
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std::string TD_TL_writer_java::gen_var_type_name() const {
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return gen_base_function_class_name();
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}
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std::string TD_TL_writer_java::gen_int_const(const tl::tl_tree *tree_c,
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const std::vector<tl::var_description> &vars) const {
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assert(false);
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return std::string();
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}
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std::string TD_TL_writer_java::gen_output_begin() const {
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return "package " + package_name +
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";\n\n"
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"import java.util.Arrays;\n\n"
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"public class " +
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tl_name +
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" {\n"
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" private static final char[] HEX_CHARACTERS = \"0123456789ABCDEF\".toCharArray();\n\n";
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}
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std::string TD_TL_writer_java::gen_output_end() const {
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return "}\n";
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}
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std::string TD_TL_writer_java::gen_forward_class_declaration(const std::string &class_name, bool is_proxy) const {
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return "";
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}
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std::string TD_TL_writer_java::gen_class_begin(const std::string &class_name, const std::string &base_class_name,
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bool is_proxy) const {
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return " public " + std::string(is_proxy ? "abstract " : "") + "static class " + class_name +
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(class_name == gen_base_tl_class_name() ? std::string() : " extends " + base_class_name) + " {\n";
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}
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std::string TD_TL_writer_java::gen_class_end() const {
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return " }\n\n";
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}
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std::string TD_TL_writer_java::gen_class_alias(const std::string &class_name, const std::string &alias_name) const {
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return "";
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}
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std::string TD_TL_writer_java::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 " public " + type_name + " " + field_name + ";\n";
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}
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std::string TD_TL_writer_java::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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assert(t->args[i].type->get_type() != tl::NODE_TYPE_VAR_TYPE);
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}
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for (std::size_t i = 0; i < vars.size(); i++) {
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assert(vars[i].is_type);
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}
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return "";
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}
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std::string TD_TL_writer_java::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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assert(t->args[i].type->get_type() != tl::NODE_TYPE_VAR_TYPE);
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}
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for (std::size_t i = 0; i < vars.size(); i++) {
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assert(vars[i].is_type);
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}
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return "";
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}
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std::string TD_TL_writer_java::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_java::gen_constructor_id_store(std::int32_t id, int storer_type) const {
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return "";
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}
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std::string TD_TL_writer_java::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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assert(a.exist_var_num == -1);
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assert(a.type->get_type() != tl::NODE_TYPE_VAR_TYPE);
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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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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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assert(a.var_num == -1);
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assert(a.type->get_type() == tl::NODE_TYPE_TYPE);
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return "";
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}
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std::string TD_TL_writer_java::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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assert(a.exist_var_num == -1);
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assert(a.type->get_type() != tl::NODE_TYPE_VAR_TYPE);
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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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if (flat) {
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// TODO
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// return gen_field_store(const tl::arg &a, std::vector<tl::var_description> &vars, bool flat, int storer_type);
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}
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assert(a.var_num == -1);
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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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return storer_type == 1 ? " " + gen_type_store(gen_field_name(a.name), tree_type, vars, storer_type) + "\n"
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: "";
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}
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std::string TD_TL_writer_java::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 "";
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}
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std::string TD_TL_writer_java::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 == 1) {
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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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std::string res;
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res = "appendLine(s, shift).append(\"" + field_name + " = \")";
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if (name == "Int32" || name == "Int53" || name == "Int64" || name == "Double" || name == "Bool" ||
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name == "String") {
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res += ".append(" + field_name + ");";
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} else if (name == "Bytes") {
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res += ".append(\"bytes { \"); ";
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res += "{ for (byte k : " + field_name + ") { ";
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res += "int b = (int)k & 255; s.append(HEX_CHARACTERS[b >> 4]).append(HEX_CHARACTERS[b & 15]).append(' '); ";
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res += "} } s.append('}');";
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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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std::string vector_type = child->type->name;
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res +=
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".append(Arrays." + std::string(vector_type == "Vector" ? "deepTo" : "to") + "String(" + field_name + "));";
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} else {
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res += "; if (" + field_name + " != null) { " + field_name +
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".toStringBuilder(shift, s); } else { s.append(\"null\"); }";
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assert(tree_type->children.empty());
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}
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return res;
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}
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return "";
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}
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std::string TD_TL_writer_java::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_java::gen_get_id(const std::string &class_name, std::int32_t id, bool is_proxy) const {
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if (is_proxy) {
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return class_name == gen_base_tl_class_name() ? "\n public abstract int getConstructor();\n" : "";
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}
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return "\n"
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" public static final int CONSTRUCTOR = " +
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int_to_string(id) +
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";\n\n"
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" @Override\n"
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" public int getConstructor() {\n"
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" return " +
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int_to_string(id) +
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";\n"
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" }\n";
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}
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std::string TD_TL_writer_java::gen_function_result_type(const tl::tl_tree *result) const {
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return "";
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}
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std::string TD_TL_writer_java::gen_fetch_function_begin(const std::string &parser_name, const std::string &class_name,
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int arity, std::vector<tl::var_description> &vars,
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int parser_type) const {
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return "";
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}
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std::string TD_TL_writer_java::gen_fetch_function_end(int field_num, const std::vector<tl::var_description> &vars,
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int parser_type) const {
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return "";
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}
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std::string TD_TL_writer_java::gen_fetch_function_result_begin(const std::string &parser_name,
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const std::string &class_name,
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const tl::tl_tree *result) const {
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return "";
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}
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std::string TD_TL_writer_java::gen_fetch_function_result_end() const {
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return "";
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}
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std::string TD_TL_writer_java::gen_fetch_function_result_any_begin(const std::string &parser_name,
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const std::string &class_name, bool is_proxy) const {
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return "";
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}
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std::string TD_TL_writer_java::gen_fetch_function_result_any_end(bool is_proxy) const {
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return "";
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}
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std::string TD_TL_writer_java::gen_store_function_begin(const std::string &storer_name, const std::string &class_name,
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int arity, std::vector<tl::var_description> &vars,
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int storer_type) const {
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for (std::size_t i = 0; i < vars.size(); i++) {
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vars[i].is_stored = false;
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}
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assert(arity == 0);
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if (storer_type == 1) {
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return "\n"
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" @Override\n"
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" protected void toStringBuilder(int shift, " +
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storer_name +
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" s) {\n"
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" s.append(\"" +
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class_name +
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"\").append(\" {\");\n"
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" shift += 2;\n";
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}
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if (storer_type == -1) {
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return class_name == gen_base_tl_class_name() ? "\n"
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" public String toString() {\n"
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" StringBuilder s = new StringBuilder();\n"
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" toStringBuilder(0, s);\n"
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" return s.toString();\n"
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" }\n"
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"\n"
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" protected " +
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storer_name + " appendLine(" + storer_name +
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" s, int shift) {\n"
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" s.append('\\n');\n"
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" for (int i = 0; i < shift; i++) {\n"
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" s.append(' ');\n"
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" }\n"
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" return s;\n"
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" }\n"
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"\n"
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" protected abstract void toStringBuilder(int shift, " +
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storer_name + " s);\n"
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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_java::gen_store_function_end(const std::vector<tl::var_description> &vars,
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int storer_type) const {
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for (std::size_t i = 0; i < vars.size(); i++) {
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assert(vars[i].is_stored);
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}
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if (storer_type == 1) {
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return " shift -= 2;\n"
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" appendLine(s, shift).append(\"}\");\n"
|
|
" }\n";
|
|
}
|
|
|
|
return "";
|
|
}
|
|
|
|
std::string TD_TL_writer_java::gen_fetch_switch_begin() const {
|
|
return "";
|
|
}
|
|
|
|
std::string TD_TL_writer_java::gen_fetch_switch_case(const tl::tl_combinator *t, int arity) const {
|
|
assert(arity == 0);
|
|
return "";
|
|
}
|
|
|
|
std::string TD_TL_writer_java::gen_fetch_switch_end() const {
|
|
return "";
|
|
}
|
|
|
|
std::string TD_TL_writer_java::gen_constructor_begin(int fields_num, const std::string &class_name,
|
|
bool is_default) const {
|
|
return "\n"
|
|
" public " +
|
|
class_name + "(";
|
|
}
|
|
|
|
std::string TD_TL_writer_java::gen_constructor_parameter(int field_num, const tl::arg &a, bool is_default) const {
|
|
if (is_default) {
|
|
return "";
|
|
}
|
|
|
|
std::string field_type = gen_field_type(a);
|
|
if (field_type.empty()) {
|
|
return "";
|
|
}
|
|
|
|
if (field_type[field_type.size() - 1] != ' ') {
|
|
field_type += ' ';
|
|
}
|
|
|
|
return (field_num == 0 ? "" : ", ") + field_type + gen_field_name(a.name);
|
|
}
|
|
|
|
std::string TD_TL_writer_java::gen_constructor_field_init(int field_num, const tl::arg &a, bool is_default) const {
|
|
std::string field_type = gen_field_type(a);
|
|
if (field_type.empty()) {
|
|
return "";
|
|
}
|
|
|
|
if (is_default) {
|
|
return (field_num == 0 ? ") {\n" : "");
|
|
}
|
|
|
|
return std::string(field_num == 0 ? ") {\n" : "") + " this." + gen_field_name(a.name) + " = " +
|
|
gen_field_name(a.name) + ";\n";
|
|
}
|
|
|
|
std::string TD_TL_writer_java::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
|