X-Git-Url: http://developer.intra2net.com/git/?p=libt2n;a=blobdiff_plain;f=codegen%2Fmain.cpp;h=b1a0ce179a62eb470db1309a94f2be4147ee9166;hp=85c56ebee340afb096f15333c482081a8cd4fa4f;hb=2fad99dbed0a4ac40a5e008e94d868810d499951;hpb=85106017e48b4dfdec213dc2ff83486edfa7ea10 diff --git a/codegen/main.cpp b/codegen/main.cpp index 85c56eb..b1a0ce1 100644 --- a/codegen/main.cpp +++ b/codegen/main.cpp @@ -1,3 +1,22 @@ +/* + Copyright (C) 2006 + intra2net.com + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + #include #include #include @@ -6,6 +25,16 @@ #include #include #include +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + + +//! map group to class name +std::string +groupClass(const std::string &group) { + return std::string("cmd_group_")+group; +} //! convert string to upper case std::string @@ -33,21 +62,6 @@ strip(std::string s, std::string prefix) return std::string(s, prefix.length(), s.length()-prefix.length()); } -//! extract group from attributes -std::string -extract_group(const std::string &attrs) -{ - // todo: improve this - std::string error; - std::string to_match("gccxml(libt2n-"); - std::string::size_type p(attrs.find(to_match)); - if (p==std::string::npos) return error; - std::string group(attrs, p+to_match.length(), attrs.length()); - p=group.find_first_of(')'); - assert(p!=std::string::npos); - return std::string(group,0,p); -} - //! get child element by id /*! \return pointer to element having id or null on error @@ -92,6 +106,16 @@ std::string get_namespace(const xmlpp::Element* root, const std::string &id) return element->get_attribute("name")->get_value(); } +//! procedure marked for export? +bool +is_marked(const std::string &attrs) +{ + // todo: improve this + std::string to_match("gccxml(libt2n-"); + std::string::size_type p(attrs.find(to_match)); + return (p!=std::string::npos); +} + struct type_info { std::string name; @@ -145,8 +169,15 @@ type_info get_type(const xmlpp::Element* root, const std::string &id) ret.name=std::string("const ")+ret.name; return ret; }else if (tag=="PointerType") { - // not yet supported - return error; + // todo: nearly the same as reference type handling + assert(element->get_attribute("type")); + type_info ret(get_type(root, element->get_attribute("type")->get_value())); + if (ret==error) return error; + // at the moment we only support const & + // todo: nice error message! + if ((ret.noref_name=strip(ret.name,"const ")).empty()) return error; + ret.name=ret.name+"*"; + return ret; } assert(element->get_attribute("name")); @@ -167,7 +198,6 @@ struct t2n_procedure { typedef std::list > Args; - std::string group; type_info ret_type; std::string name; std::string mangled; @@ -197,7 +227,7 @@ std::ostream &operator<<(std::ostream &o, const t2n_procedure &f) { class Parser { public: - Parser(const std::string &fname, const std::string &default_group) : m_fname(fname), m_default_group(default_group) {} + Parser(const std::string &fname) : m_fname(fname) {} std::list get_procedures() { xmlpp::DomParser parser; @@ -216,7 +246,6 @@ public: } protected: std::string m_fname; - std::string m_default_group; std::list m_procedures; void parse_function(const xmlpp::Element* root, const xmlpp::Node* node) { @@ -233,9 +262,7 @@ protected: // attributes are speparated by spaces? t2n_procedure f; - f.group=extract_group(attributes->get_value()); - if (f.group.empty()) return; - if (f.group=="default") f.group=m_default_group; + if (!is_marked(attributes->get_value())) return; // we need the return type f.ret_type=get_type(root, returns->get_value()); @@ -294,130 +321,104 @@ protected: } }; -//! find used groups -std::set -used_groups(const std::list &funcs) { - typedef std::set Groups; - Groups groups; - for (std::list::const_iterator it=funcs.begin();it!=funcs.end();++it) - // since we use std::set each group is inserted only once - groups.insert(it->group); - return groups; -} - -void output_common_hpp(std::ostream &o, const std::list &procs) { - std::set groups(used_groups(procs)); - - for (std::set::iterator it=groups.begin();it!=groups.end();++it) { - o << "class cmd_group_" << *it << " : public libt2n::command\n" - << "{\n" - << "private:\n" - << " friend class boost::serialization::access;\n" - << " template\n" - << " void serialize(Archive & ar, const unsigned int /* version */)\n" - << " {ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(libt2n::command);}\n" - << "};\n"; - } +void output_common_hpp(std::ostream &o, const std::string &group, const std::list &procs) { + o << "class " << groupClass(group) << " : public libt2n::command\n" + << "{\n" + << "private:\n" + << " friend class boost::serialization::access;\n" + << " template\n" + << " void serialize(Archive & ar, const unsigned int /* version */)\n" + << " {ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(libt2n::command);}\n" + << "};\n"; - for (std::list::const_iterator it=procs.begin();it!=procs.end();++it) { - o << "class " << it->ret_classname() << " : public libt2n::result\n" - << "{\n" - << "private:\n" - << " " << it->ret_type << " res;\n" - << " friend class boost::serialization::access;\n" - << " template\n" - << " void serialize(Archive & ar, const unsigned int /* version */)\n" - << " {\n" - << " ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(libt2n::result);\n" - << " ar & BOOST_SERIALIZATION_NVP(res);\n" - << " }\n" - << "public:\n" - << " " << it->ret_classname() << "() {}\n" - << " " << it->ret_classname() << "(const " << it->ret_type << " &_res) : res(_res) {}\n" - << " " << it->ret_type << " get_data() { return res; }\n" - << "};\n"; - } - for (std::list::const_iterator it=procs.begin();it!=procs.end();++it) { - o << "class " << it->cmd_classname() << " : public " << "cmd_group_" << it->group << "\n" - << "{\n" - << "private:\n"; - for (t2n_procedure::Args::const_iterator ait=it->args.begin();ait!=it->args.end();++ait) { - o << " " << ait->second.noref() << " " << ait->first << ";\n"; - } - o << " friend class boost::serialization::access;\n" - << " template\n" - << " void serialize(Archive & ar, const unsigned int /* version */)\n" - << " {\n" - << " ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(cmd_group_" << it->group << ");\n"; - for (t2n_procedure::Args::const_iterator ait=it->args.begin();ait!=it->args.end();++ait) { - o << " ar & BOOST_SERIALIZATION_NVP(" << ait->first << ");\n"; - } - - // default constructor - o << " }\n" - << "\n" - << "public:\n" - << " " << it->cmd_classname() << "() {}\n"; - - // constructor taking all arguments - o << " " << it->cmd_classname() << "("; - for (t2n_procedure::Args::const_iterator ait=it->args.begin();ait!=it->args.end();++ait) { - if (ait!=it->args.begin()) o << ", "; - o << ait->second << " _" << ait->first; - } - o << ") : "; - for (t2n_procedure::Args::const_iterator ait=it->args.begin();ait!=it->args.end();++ait) { - if (ait!=it->args.begin()) o << ", "; - o << ait->first << "(_" << ait->first << ")"; - } - o << " {}\n" - << " libt2n::result* operator()();\n" - << "};\n"; - } + for (std::list::const_iterator it=procs.begin();it!=procs.end();++it) { + o << "class " << it->ret_classname() << " : public libt2n::result\n" + << "{\n" + << "private:\n" + << " " << it->ret_type << " res;\n" + << " friend class boost::serialization::access;\n" + << " template\n" + << " void serialize(Archive & ar, const unsigned int /* version */)\n" + << " {\n" + << " ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(libt2n::result);\n" + << " ar & BOOST_SERIALIZATION_NVP(res);\n" + << " }\n" + << "public:\n" + << " " << it->ret_classname() << "() {}\n" + << " " << it->ret_classname() << "(const " << it->ret_type << " &_res) : res(_res) {}\n" + << " " << it->ret_type << " get_data() { return res; }\n" + << "};\n"; + } + for (std::list::const_iterator it=procs.begin();it!=procs.end();++it) { + o << "class " << it->cmd_classname() << " : public " << groupClass(group) << "\n" + << "{\n" + << "private:\n"; + for (t2n_procedure::Args::const_iterator ait=it->args.begin();ait!=it->args.end();++ait) { + o << " " << ait->second.noref() << " " << ait->first << ";\n"; + } + o << " friend class boost::serialization::access;\n" + << " template\n" + << " void serialize(Archive & ar, const unsigned int /* version */)\n" + << " {\n" + << " ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(" << groupClass(group) << ");\n"; + for (t2n_procedure::Args::const_iterator ait=it->args.begin();ait!=it->args.end();++ait) { + o << " ar & BOOST_SERIALIZATION_NVP(" << ait->first << ");\n"; + } + + // default constructor + o << " }\n" + << "\n" + << "public:\n" + << " " << it->cmd_classname() << "() {}\n"; + + // constructor taking all arguments + o << " " << it->cmd_classname() << "("; + for (t2n_procedure::Args::const_iterator ait=it->args.begin();ait!=it->args.end();++ait) { + if (ait!=it->args.begin()) o << ", "; + o << ait->second << " _" << ait->first; + } + o << ") : "; + for (t2n_procedure::Args::const_iterator ait=it->args.begin();ait!=it->args.end();++ait) { + if (ait!=it->args.begin()) o << ", "; + // pointers are const pointers and must be dereferenced + o << ait->first << "(" << ((ait->second.name.find_first_of('*')!=std::string::npos) ? "*" : "" ) << "_" << ait->first << ")"; + } + o << " {}\n" + << " libt2n::result* operator()();\n" + << "};\n"; + } } -void output_common_cpp(std::ostream &o, const std::list &procs, const std::string &common_hpp) { - std::set groups(used_groups(procs)); - +void output_common_cpp(std::ostream &o, const std::string &group, const std::list &procs, const std::string &common_hpp) { o << "#include \"" << common_hpp << "\"\n" << "#include \n" << "\n" << "/* register types with boost serialization */\n"; - for (std::set::iterator it=groups.begin();it!=groups.end();++it) { - o << "BOOST_CLASS_EXPORT(cmd_group_" << *it << ")\n"; - } + o << "BOOST_CLASS_EXPORT(" << groupClass(group) << ")\n"; for (std::list::const_iterator it=procs.begin();it!=procs.end();++it) { o << "BOOST_CLASS_EXPORT("<ret_classname()<<")\n" << "BOOST_CLASS_EXPORT("<cmd_classname()<<")\n"; } } -void output_client_hpp(std::ostream &o, const std::list &procs) { - std::set groups(used_groups(procs)); - +void output_client_hpp(std::ostream &o, const std::string &group, const std::list &procs) { o << "#include \n"; - for (std::set::iterator it=groups.begin();it!=groups.end();++it) { - o << "class cmd_group_" << *it << "_client : public libt2n::command_client\n" - << "{\n" - << "public:\n" - << "cmd_group_" << *it << "_client(libt2n::client_connection &_c,\n" - << " long long _command_timeout_usec=command_timeout_usec_default,\n" - << " long long _hello_timeout_usec=hello_timeout_usec_default)\n" - << " : libt2n::command_client(_c,_command_timeout_usec,_hello_timeout_usec)\n" - << " {}\n"; - for (std::list::const_iterator pit=procs.begin();pit!=procs.end();++pit) { - if (pit->group==*it) { - o << " " << *pit << ";\n"; - } - } - o << "};\n"; + o << "class " << groupClass(group) << "_client : public libt2n::command_client\n" + << "{\n" + << "public:\n" + << groupClass(group) << "_client(libt2n::client_connection &_c,\n" + << " long long _command_timeout_usec=command_timeout_usec_default,\n" + << " long long _hello_timeout_usec=hello_timeout_usec_default)\n" + << " : libt2n::command_client(_c,_command_timeout_usec,_hello_timeout_usec)\n" + << " {}\n"; + for (std::list::const_iterator pit=procs.begin();pit!=procs.end();++pit) { + o << " " << *pit << ";\n"; } + o << "};\n"; } -void output_client_cpp(std::ostream &o, const std::list &procs, const std::string &common_hpp, const std::string &common_cpp, const std::string &client_hpp) { - std::set groups(used_groups(procs)); - +void output_client_cpp(std::ostream &o, const std::string &group, const std::list &procs, const std::string &common_hpp, const std::string &common_cpp, const std::string &client_hpp) { o << "#include \"" << client_hpp << "\"\n" << "#include \"" << common_hpp << "\"\n" << "// fake\n"; @@ -425,24 +426,20 @@ void output_client_cpp(std::ostream &o, const std::list &procs, c o << "libt2n::result* " << it->cmd_classname() << "::operator()() { return NULL; }\n"; } - for (std::set::iterator it=groups.begin();it!=groups.end();++it) { - for (std::list::const_iterator pit=procs.begin();pit!=procs.end();++pit) { - if (pit->group==*it) { - o << pit->ret_type << " cmd_group_" << *it << "_client::" << pit->name << "(" << pit->args << ")\n" - << "{\n" - << " libt2n::result_container rc;\n" - << " send_command(new " << pit->cmd_classname() << "("; - for (t2n_procedure::Args::const_iterator ait=pit->args.begin();ait!=pit->args.end();++ait) { - if (ait!=pit->args.begin()) o << ", "; - o << ait->first; - } - o << "), rc);\n" - << " " << pit->ret_classname() << "* res=dynamic_cast<" << pit->ret_classname() << "*>(rc.get_result());\n" - << " if (!res) throw libt2n::t2n_communication_error(\"result object of wrong type\");\n" - << " return res->get_data();\n" - << "}\n"; - } - } + for (std::list::const_iterator pit=procs.begin();pit!=procs.end();++pit) { + o << pit->ret_type << " " << groupClass(group) << "_client::" << pit->name << "(" << pit->args << ")\n" + << "{\n" + << " libt2n::result_container rc;\n" + << " send_command(new " << pit->cmd_classname() << "("; + for (t2n_procedure::Args::const_iterator ait=pit->args.begin();ait!=pit->args.end();++ait) { + if (ait!=pit->args.begin()) o << ", "; + o << ait->first; + } + o << "), rc);\n" + << " " << pit->ret_classname() << "* res=dynamic_cast<" << pit->ret_classname() << "*>(rc.get_result());\n" + << " if (!res) throw libt2n::t2n_communication_error(\"result object of wrong type\");\n" + << " return res->get_data();\n" + << "}\n"; } // include in this compilation unit to ensure the compilation unit is used @@ -451,7 +448,7 @@ void output_client_cpp(std::ostream &o, const std::list &procs, c o << "#include \"" << common_cpp << "\"\n"; } -void output_server_hpp(std::ostream &o, const std::list &procs, const std::string &common_hpp) { +void output_server_hpp(std::ostream &o, const std::string & /* group */, const std::list &procs, const std::string &common_hpp) { o << "#include \"" << common_hpp << "\"\n"; // output function declarations @@ -459,7 +456,7 @@ void output_server_hpp(std::ostream &o, const std::list &procs, c o << *it << ";\n"; } -void output_server_cpp(std::ostream &o, const std::list &procs, const std::string &common_hpp, const std::string &common_cpp) { +void output_server_cpp(std::ostream &o, const std::string &group, const std::list &procs, const std::string &common_hpp, const std::string &common_cpp) { o << "#include \"" << common_hpp << "\"\n"; for (std::list::const_iterator it=procs.begin();it!=procs.end();++it) { @@ -467,6 +464,9 @@ void output_server_cpp(std::ostream &o, const std::list &procs, c o << "libt2n::result* " << it->cmd_classname() << "::operator()() { return new " << it->ret_classname() << "(" << it->name << "("; for (t2n_procedure::Args::const_iterator ait=it->args.begin();ait!=it->args.end();++ait) { if (ait!=it->args.begin()) o << ", "; + // get pointer + if (ait->second.name.find_first_of('*')!=std::string::npos) + o << '&'; o << ait->first; } o << ")); }\n"; @@ -479,7 +479,7 @@ struct header_file : public std::ofstream header_file(const char* fname) : std::ofstream(fname) { std::cerr << "create header: '" << fname << "'" << std::endl; std::string macro(replace(toupper(fname),'.','_')); - *this << "// automatically generated code - do not edit\n" << std::endl; + *this << "// automatically generated code (generated by libt2n-codegen " << VERSION << ") - do not edit\n" << std::endl; *this << "#ifndef " << macro << "\n" << "#define " << macro << "\n"; } @@ -499,12 +499,18 @@ struct cpp_file : public std::ofstream int main(int argc, char* argv[]) { - if (argc < 3) { - std::cerr << "Usage: " << argv[0] << "default-group gccxml-file1 gccxml-file2 ... " << std::endl; - return 1; - } - - try{ + // todo: maybe use getopt + if ((argc>1)&&(std::string(argv[1])=="--version")) { + std::cerr << VERSION << std::endl; + return 0; + } + if (argc < 3) + { + std::cerr << "Usage: " << argv[0] << "default-group gccxml-file1 gccxml-file2 ... " << std::endl; + return 1; + } + + try{ std::string group(argv[1]); std::list xmlfiles; for (int i=2;i procedures; for (std::list::iterator it=xmlfiles.begin();it!=xmlfiles.end();++it) { - Parser parser(*it, group); - const std::list &p(parser.get_procedures()); - std::copy(p.begin(), p.end(), std::back_inserter(procedures)); + std::cerr << "Parse " << *it << std::endl; + Parser parser(*it); + const std::list &p(parser.get_procedures()); + std::copy(p.begin(), p.end(), std::back_inserter(procedures)); } std::cerr << "Procedures:" << std::endl; for (std::list::const_iterator it=procedures.begin();it!=procedures.end();++it) std::cerr << *it << ";" << std::endl; - std::set groups(used_groups(procedures)); - std::cerr << "Used groups:" << std::endl; - for (std::set::const_iterator it=groups.begin();it!=groups.end();++it) - std::cerr << *it << std::endl; - std::string common_hpp_fname(prefix+"common.hxx"); std::string common_cpp_fname(prefix+"common.cpp"); std::string client_hpp_fname(prefix+"client.hxx"); @@ -539,25 +541,25 @@ main(int argc, char* argv[]) << "#include \"codegen-stubhead.hxx\"\n" << "#include \"" << group << ".hxx\"\n"; - output_common_hpp(common_hpp, procedures); + output_common_hpp(common_hpp, group, procedures); cpp_file common_cpp(common_cpp_fname.c_str()); - output_common_cpp(common_cpp, procedures, common_hpp_fname); + output_common_cpp(common_cpp, group, procedures, common_hpp_fname); header_file client_hpp(client_hpp_fname.c_str()); client_hpp << "// boost serialization is picky about order of include files => we have to include this one first\n" << "#include \"codegen-stubhead.hxx\"\n" << "#include \"" << group << ".hxx\"\n"; - output_client_hpp(client_hpp, procedures); + output_client_hpp(client_hpp, group, procedures); cpp_file client_cpp(client_cpp_fname.c_str()); - output_client_cpp(client_cpp, procedures, common_hpp_fname, common_cpp_fname, client_hpp_fname); + output_client_cpp(client_cpp, group, procedures, common_hpp_fname, common_cpp_fname, client_hpp_fname); header_file server_hpp(server_hpp_fname.c_str()); - output_server_hpp(server_hpp, procedures, common_hpp_fname); + output_server_hpp(server_hpp, group, procedures, common_hpp_fname); cpp_file server_cpp(server_cpp_fname.c_str()); - output_server_cpp(server_cpp, procedures, common_hpp_fname, common_cpp_fname); + output_server_cpp(server_cpp, group, procedures, common_hpp_fname, common_cpp_fname); }catch(const parse_error &e){ std::cerr << e.what() << std::endl; return EXIT_FAILURE;