X-Git-Url: http://developer.intra2net.com/git/?p=libt2n;a=blobdiff_plain;f=codegen%2Fmain.cpp;h=517d14fbc44e6b0f0ae2a1a0481e654e62163c88;hp=f0c6ad4063af8b699560047b058f6db5bfb3a9b9;hb=bf62f8b70a94fd7238af116f7b16cea0a8852d27;hpb=fb5c13c6a58254295bc0b6f18e618f18b4c318e5 diff --git a/codegen/main.cpp b/codegen/main.cpp index f0c6ad4..517d14f 100644 --- a/codegen/main.cpp +++ b/codegen/main.cpp @@ -4,6 +4,8 @@ #include #include #include +#include +#include //! convert string to upper case std::string @@ -69,6 +71,15 @@ const xmlpp::Element* get_element_by_id(const xmlpp::Element* element, const std return NULL; } +std::string +get_file(const xmlpp::Element* root, const std::string &file_id) +{ + std::string error; + const xmlpp::Element* e=get_element_by_id(root, file_id); + if ((!e)||(!e->get_attribute("name"))) return error; + return e->get_attribute("name")->get_value(); +} + //! get namespace by id /*! \return namespace name or empty string on error @@ -116,6 +127,13 @@ std::ostream &operator<<(std::ostream &o, const type_info &t) { return o; } +struct parse_error : public std::runtime_error +{ + parse_error(const std::string &file, unsigned line, const std::string &msg) + : std::runtime_error(file+":"+boost::lexical_cast(line)+": error: "+msg) + {} +}; + //! get type by id /*! \return type name or empty string on error @@ -148,6 +166,9 @@ type_info get_type(const xmlpp::Element* root, const std::string &id) if (ret==error) return error; ret.name=std::string("const ")+ret.name; return ret; + }else if (tag=="PointerType") { + // not yet supported + return error; } assert(element->get_attribute("name")); @@ -198,7 +219,7 @@ std::ostream &operator<<(std::ostream &o, const t2n_procedure &f) { class Parser { public: - Parser(const std::string &fname) : m_fname(fname) {} + Parser(const std::string &fname, const std::string &group) : m_fname(fname), m_group(group) {} std::list get_procedures() { xmlpp::DomParser parser; @@ -217,6 +238,7 @@ public: } protected: std::string m_fname; + std::string m_group; std::list m_procedures; void parse_function(const xmlpp::Element* root, const xmlpp::Node* node) { @@ -236,7 +258,7 @@ protected: f.group=extract_group(attributes->get_value()); if (f.group.empty()) return; // todo: handle default group - if (f.group=="default") f.group=get_default_group(root); + if (f.group=="default") f.group=m_group; // we need the return type f.ret_type=get_type(root, returns->get_value()); @@ -252,6 +274,14 @@ protected: assert(arg->get_attribute("name")); assert(arg->get_attribute("type")); f.args.push_back(std::pair(arg->get_attribute("name")->get_value(), get_type(root, arg->get_attribute("type")->get_value()))); + // todo: ugly - could be any other error + if (f.args.back().second.name.empty()) { + assert(element->get_attribute("file")); + assert(element->get_attribute("line")); + throw parse_error(get_file(root, element->get_attribute("file")->get_value()), + boost::lexical_cast(element->get_attribute("line")->get_value())-1, + std::string("type of parameter `")+f.args.back().first+"' not (yet?) supported"); + } } } std::cerr << "Found function: " << f << std::endl; @@ -444,6 +474,14 @@ 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) { + o << "#include \"" << common_hpp << "\"\n"; + + // output function declarations + for (std::list::const_iterator it=procs.begin();it!=procs.end();++it) + o << *it << ";\n"; +} + void output_server_cpp(std::ostream &o, const std::list &procs, const std::string &common_hpp, const std::string &common_cpp) { o << "#include \"" << common_hpp << "\"\n"; @@ -519,55 +557,67 @@ int main(int argc, char* argv[]) { if (argc != 4) { - std::cerr << "Usage: " << argv[0] << " header-file gccxml-file outputprefix" << std::endl; + std::cerr << "Usage: " << argv[0] << " header-file gccxml-file group" << std::endl; return 1; } - std::string headerfile(argv[1]); - std::string xmlfile(argv[2]); - std::string prefix(argv[3]); - std::list includes(get_includes(headerfile)); - remove_if(includes.begin(), includes.end(), RemoveGenerated(prefix)); - includes.erase(remove_if(includes.begin(), includes.end(), RemoveGenerated(prefix)), includes.end()); - - paste_includes(std::cerr, includes); - - Parser parser(xmlfile); - std::list procedures(parser.get_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"); - std::string client_cpp_fname(prefix+"client.cpp"); - std::string server_cpp_fname(prefix+"server.cpp"); - - header_file common_hpp(common_hpp_fname.c_str()); - common_hpp << "#include \"codegen-stubhead.hxx\"\n"; - paste_includes(common_hpp, includes); - output_common_hpp(common_hpp, procedures); + try{ + std::string headerfile(argv[1]); + std::string xmlfile(argv[2]); + std::string group(argv[3]); + std::string prefix=group+"_"; + std::list includes(get_includes(headerfile)); + remove_if(includes.begin(), includes.end(), RemoveGenerated(prefix)); + includes.erase(remove_if(includes.begin(), includes.end(), RemoveGenerated(prefix)), includes.end()); - cpp_file common_cpp(common_cpp_fname.c_str()); - output_common_cpp(common_cpp, procedures, common_hpp_fname); - - header_file client_hpp(client_hpp_fname.c_str()); - client_hpp << "#include \"codegen-stubhead.hxx\"\n"; - // we can't paste the includes before codegen-stubhead.hxx was included - paste_includes(client_hpp, includes); - output_client_hpp(client_hpp, 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); - - cpp_file server_cpp(server_cpp_fname.c_str()); - output_server_cpp(server_cpp, procedures, common_hpp_fname, common_cpp_fname); - return 0; + //paste_includes(std::cerr, includes); + + Parser parser(xmlfile, group); + std::list procedures(parser.get_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"); + std::string client_cpp_fname(prefix+"client.cpp"); + std::string server_hpp_fname(prefix+"server.hxx"); + std::string server_cpp_fname(prefix+"server.cpp"); + + header_file common_hpp(common_hpp_fname.c_str()); + common_hpp << "// boost serialization is picky about order of include files => we have to include this one first\n" + << "#include \"codegen-stubhead.hxx\"\n"; + paste_includes(common_hpp, includes); + + output_common_hpp(common_hpp, procedures); + + cpp_file common_cpp(common_cpp_fname.c_str()); + output_common_cpp(common_cpp, 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"; + paste_includes(client_hpp, includes); + output_client_hpp(client_hpp, 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); + + header_file server_hpp(server_hpp_fname.c_str()); + output_server_hpp(server_hpp, 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); + }catch(const parse_error &e){ + std::cerr << e.what() << std::endl; + return EXIT_FAILURE; + } + return EXIT_SUCCESS; }