346 lines
13 KiB
C++
346 lines
13 KiB
C++
// (C) Copyright John Maddock 2004.
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// This progam scans for *.ipp files in the libs/config/test
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// directory and then generates the *.cpp test files from them
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// along with config_test.cpp and a Jamfile.
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//
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#include <boost/regex.hpp>
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#include <boost/filesystem/path.hpp>
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#include <boost/filesystem/operations.hpp>
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#include <boost/filesystem/fstream.hpp>
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#include <boost/detail/lightweight_main.hpp>
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#include <iostream>
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#include <sstream>
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#include <string>
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#include <set>
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#include <ctime>
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namespace fs = boost::filesystem;
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fs::path config_path;
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std::string copyright(
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"// Copyright John Maddock 2002-4.\n"
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"// Use, modification and distribution are subject to the \n"
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"// Boost Software License, Version 1.0. (See accompanying file \n"
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"// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)\n"
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"\n"
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"// See http://www.boost.org/libs/config for the most recent version."
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"//\n// Revision $Id$\n//\n");
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std::stringstream config_test1;
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std::stringstream config_test1a;
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std::stringstream config_test2;
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std::stringstream jamfile;
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std::stringstream jamfile_v2;
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std::stringstream build_config_test;
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std::stringstream build_config_jamfile;
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std::set<std::string> macro_list;
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std::set<std::string> feature_list;
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void write_config_info()
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{
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// load the file into memory so we can scan it:
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fs::ifstream ifs(config_path / "config_info.cpp");
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std::string file_text;
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std::copy(std::istreambuf_iterator<char>(ifs), std::istreambuf_iterator<char>(), std::back_inserter(file_text));
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ifs.close();
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// create macro list:
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std::stringstream ss;
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for(std::set<std::string>::const_iterator i(macro_list.begin()), j(macro_list.end());
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i != j;
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++i)
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{
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ss << " PRINT_MACRO(" << *i << ");\n";
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}
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std::string macros = ss.str();
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// scan for Boost macro block:
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boost::regex re("BEGIN\\s+GENERATED\\s+BLOCK\\s+DO\\s+NOT\\s+EDIT\\s+THIS[^\\n]+\\n(.*?)\\n\\s+//\\s*END\\s+GENERATED\\s+BLOCK");
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boost::smatch what;
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if(boost::regex_search(file_text, what, re))
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{
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std::string new_text;
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new_text.append(what.prefix().first, what[1].first);
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new_text.append(macros);
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new_text.append(what[1].second, what.suffix().second);
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fs::ofstream ofs(config_path / "config_info.cpp");
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ofs << new_text;
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}
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}
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void write_config_test()
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{
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fs::ofstream ofs(config_path / "config_test.cpp");
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time_t t = std::time(0);
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ofs << "// This file was automatically generated on " << std::ctime(&t);
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ofs << "// by libs/config/tools/generate.cpp\n" << copyright << std::endl;
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ofs << "// Test file for config setup\n"
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"// This file should compile, if it does not then\n"
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"// one or more macros need to be defined.\n"
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"// see boost_*.ipp for more details\n\n"
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"// Do not edit this file, it was generated automatically by\n\n"
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"#include <boost/config.hpp>\n#include <iostream>\n#include \"test.hpp\"\n\n"
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"int error_count = 0;\n\n";
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ofs << config_test1.str() << std::endl;
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ofs << config_test1a.str() << std::endl;
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ofs << "int main( int, char *[] )\n{\n" << config_test2.str() << " return error_count;\n}\n\n";
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}
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void write_jamfile_v2()
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{
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fs::ofstream ofs(config_path / "all" / "Jamfile.v2");
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time_t t = std::time(0);
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ofs << "#\n# Regression test Jamfile for boost configuration setup.\n# *** DO NOT EDIT THIS FILE BY HAND ***\n"
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"# This file was automatically generated on " << std::ctime(&t);
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ofs << "# by libs/config/tools/generate.cpp\n"
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"# Copyright John Maddock.\n"
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"# Use, modification and distribution are subject to the \n"
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"# Boost Software License, Version 1.0. (See accompanying file \n"
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"# LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)\n"
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"#\n# If you need to alter build preferences then set them in\n"
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"# the template defined in options_v2.jam.\n#\n"
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"path-constant DOT : . ;\n"
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"include $(DOT)/options_v2.jam ;\n\n"
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"run ../config_info.cpp : : : <threading>single <toolset>msvc:<runtime-link>static <toolset>msvc:<link>static ;\n"
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"run ../config_info.cpp : : : <threading>multi : config_info_threaded ;\n"
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"run ../math_info.cpp : : : <toolset>borland:<runtime-link>static <toolset>borland:<link>static ;\n"
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"run ../config_test.cpp : : : <threading>single <toolset>msvc:<runtime-link>static <toolset>msvc:<link>static ;\n"
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"run ../config_test.cpp : : : <threading>multi : config_test_threaded ;\n"
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"run ../limits_test.cpp ../../../test/build//boost_test_exec_monitor ;\n"
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"run ../abi/abi_test.cpp ../abi/main.cpp ;\n\n";
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ofs << jamfile_v2.str() << std::endl;
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}
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void write_test_file(const fs::path& file,
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const std::string& macro_name,
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const std::string& namespace_name,
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const std::string& header_file,
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bool positive_test,
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bool expect_success)
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{
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if(!fs::exists(file))
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{
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std::cout << "Writing test file " << file.string() << std::endl;
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fs::ofstream ofs(file);
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std::time_t t = std::time(0);
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ofs << "// This file was automatically generated on " << std::ctime(&t);
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ofs << "// by libs/config/tools/generate.cpp\n" << copyright << std::endl;
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ofs << "\n// Test file for macro " << macro_name << std::endl;
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if(expect_success)
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{
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ofs << "// This file should compile, if it does not then\n"
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"// " << macro_name << " should ";
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if(positive_test)
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ofs << "not ";
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ofs << "be defined.\n";
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}
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else
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{
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ofs << "// This file should not compile, if it does then\n"
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"// " << macro_name << " should ";
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if(!positive_test)
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ofs << "not ";
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ofs << "be defined.\n";
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}
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ofs << "// See file " << header_file << " for details\n\n";
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ofs << "// Must not have BOOST_ASSERT_CONFIG set; it defeats\n"
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"// the objective of this file:\n"
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"#ifdef BOOST_ASSERT_CONFIG\n"
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"# undef BOOST_ASSERT_CONFIG\n"
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"#endif\n\n";
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static const boost::regex tr1_exp("BOOST_HAS_TR1.*");
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ofs << "#include <boost/config.hpp>\n";
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ofs << "#include \"test.hpp\"\n\n"
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"#if";
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if(positive_test != expect_success)
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ofs << "n";
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ofs << "def " << macro_name <<
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"\n#include \"" << header_file <<
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"\"\n#else\n";
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if(expect_success)
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ofs << "namespace " << namespace_name << " = empty_boost;\n";
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else
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ofs << "#error \"this file should not compile\"\n";
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ofs << "#endif\n\n";
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ofs << "int main( int, char *[] )\n{\n return " << namespace_name << "::test();\n}\n\n";
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}
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else
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{
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std::cout << "Skipping existing test file " << file.string() << std::endl;
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}
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}
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void write_build_tests()
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{
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fs::ofstream ofs(config_path / ".." / "checks" / "test_case.cpp");
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time_t t = std::time(0);
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ofs << "// This file was automatically generated on " << std::ctime(&t);
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ofs << "// by libs/config/tools/generate.cpp\n" << copyright << std::endl;
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ofs << "#include <boost/config.hpp>\n\n";
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ofs << build_config_test.str() << std::endl;
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ofs << "int main( int, char *[] )\n{\n" << " return 0;\n}\n\n";
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}
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void write_build_check_jamfile()
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{
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fs::ofstream ofs(config_path / ".." / "checks" / "Jamfile.v2");
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time_t t = std::time(0);
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ofs << "#\n# *** DO NOT EDIT THIS FILE BY HAND ***\n"
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"# This file was automatically generated on " << std::ctime(&t);
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ofs << "# by libs/config/tools/generate.cpp\n"
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"# Copyright John Maddock.\n"
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"# Use, modification and distribution are subject to the \n"
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"# Boost Software License, Version 1.0. (See accompanying file \n"
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"# LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)\n\n"
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"import modules ;\nimport path ; \n\n"
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"\n"
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;
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ofs << build_config_jamfile.str() << std::endl;
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}
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void process_ipp_file(const fs::path& file, bool positive_test)
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{
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std::cout << "Info: Scanning file: " << file.string() << std::endl;
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// our variables:
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std::string file_text;
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std::string macro_name;
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std::string namespace_name;
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fs::path positive_file;
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fs::path negative_file;
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// load the file into memory so we can scan it:
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fs::ifstream ifs(file);
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std::copy(std::istreambuf_iterator<char>(ifs), std::istreambuf_iterator<char>(), std::back_inserter(file_text));
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ifs.close();
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// scan for the macro name:
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boost::regex macro_regex("//\\s*MACRO\\s*:\\s*(\\w+)");
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boost::smatch macro_match;
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if(boost::regex_search(file_text, macro_match, macro_regex))
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{
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macro_name = macro_match[1];
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macro_list.insert(macro_name);
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namespace_name = boost::regex_replace(file_text, macro_regex, "\\L$1", boost::format_first_only | boost::format_no_copy);
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}
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if(macro_name.empty())
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{
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std::cout << "Error: no macro definition found in " << file.string();
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}
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else
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{
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std::cout << "Info: Macroname: " << macro_name << std::endl;
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}
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// get the output filesnames:
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boost::regex file_regex("boost_([^.]+)\\.ipp");
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positive_file = file.branch_path() / boost::regex_replace(file.leaf().string(), file_regex, "$1_pass.cpp");
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negative_file = file.branch_path() / boost::regex_replace(file.leaf().string(), file_regex, "$1_fail.cpp");
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write_test_file(positive_file, macro_name, namespace_name, file.leaf().string(), positive_test, true);
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write_test_file(negative_file, macro_name, namespace_name, file.leaf().string(), positive_test, false);
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// always create config_test data,
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// positive and negative tests go to separate streams, because for some
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// reason some compilers choke unless we put them in a particular order...
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std::ostream* pout = positive_test ? &config_test1a : &config_test1;
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*pout << "#if";
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if(!positive_test)
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*pout << "n";
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*pout << "def " << macro_name
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<< "\n#include \"" << file.leaf().string() << "\"\n#else\nnamespace "
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<< namespace_name << " = empty_boost;\n#endif\n";
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config_test2 << " if(0 != " << namespace_name << "::test())\n"
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" {\n"
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" std::cerr << \"Failed test for " << macro_name << " at: \" << __FILE__ << \":\" << __LINE__ << std::endl;\n"
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" ++error_count;\n"
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" }\n";
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// always generate the jamfile data:
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jamfile << "test-suite \"" << macro_name << "\" : \n"
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"[ run " << positive_file.leaf().string() << " <template>config_options ]\n"
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"[ compile-fail " << negative_file.leaf().string() << " <template>config_options ] ;\n";
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jamfile_v2 << "test-suite \"" << macro_name << "\" : \n"
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"[ run ../" << positive_file.leaf().string() << " ]\n"
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"[ compile-fail ../" << negative_file.leaf().string() << " ] ;\n";
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// Generate data for the Build-checks test file:
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build_config_test << "#ifdef TEST_" << macro_name << std::endl;
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if (positive_test)
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{
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build_config_test << "# ifndef " << macro_name << "\n# error \"Feature macro " << macro_name << " is not defined.\"\n# endif\n";
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}
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else
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{
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build_config_test << "# ifdef " << macro_name << "\n# error \"Defect macro " << macro_name << " is defined.\"\n# endif\n";
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}
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build_config_test << "#endif\n";
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// Generate data for the build-checks Jamfile:
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static const boost::regex feature_regex("boost_(?:no|has)_(.*)");
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std::string feature_name = boost::regex_replace(namespace_name, feature_regex, "\\1");
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if(feature_list.find(feature_name) == feature_list.end())
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build_config_jamfile << "obj " << feature_name << " : test_case.cpp : <define>TEST_" << macro_name << " ;\n";
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feature_list.insert(feature_name);
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}
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int cpp_main(int argc, char* argv[])
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{
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//
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// get the boost path to begin with:
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//
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if(argc > 1)
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{
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fs::path p(argv[1]);
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config_path = p / "libs" / "config" / "test" ;
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}
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else
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{
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// try __FILE__:
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fs::path p(__FILE__);
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config_path = p.branch_path().branch_path() / "test";
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}
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std::cout << "Info: Boost.Config test path set as: " << config_path.string() << std::endl;
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// enumerate *.ipp files and store them in a map for now:
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boost::regex ipp_mask("boost_(?:(has)|no).*\\.ipp");
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boost::smatch ipp_match;
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fs::directory_iterator i(config_path), j;
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std::map<fs::path, bool> files_to_process;
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while(i != j)
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{
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if(boost::regex_match(i->path().leaf().string(), ipp_match, ipp_mask))
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{
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files_to_process[*i] = ipp_match[1].matched;
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}
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++i;
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}
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// Enumerate the files and process them, by defering this until now
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// the results are always alphabetized which reduces churn in the
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// generated files.
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for(std::map<fs::path, bool>::const_iterator pos = files_to_process.begin(); pos != files_to_process.end(); ++pos)
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{
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process_ipp_file(pos->first, pos->second);
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}
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write_config_test();
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write_jamfile_v2();
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write_config_info();
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write_build_tests();
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write_build_check_jamfile();
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return 0;
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}
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