blob: 72d11ae5bacaf3d84ecf85f7e93b6fd68951c7f2 [file] [log] [blame]
// (C) Copyright John Maddock 2004.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// This progam scans for *.ipp files in the libs/config/test
// directory and then generates the *.cpp test files from them
// along with config_test.cpp and a Jamfile.
//
#include <boost/regex.hpp>
#include <boost/filesystem/path.hpp>
#include <boost/filesystem/operations.hpp>
#include <boost/filesystem/fstream.hpp>
#include <boost/test/included/prg_exec_monitor.hpp>
#include <iostream>
#include <sstream>
#include <string>
#include <set>
#include <ctime>
namespace fs = boost::filesystem;
fs::path config_path;
std::string copyright(
"// Copyright John Maddock 2002-4.\n"
"// Use, modification and distribution are subject to the \n"
"// Boost Software License, Version 1.0. (See accompanying file \n"
"// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)\n"
"\n"
"// See http://www.boost.org/libs/config for the most recent version."
"//\n// Revision $Id: generate.cpp 49283 2008-10-11 15:47:59Z johnmaddock $\n//\n");
std::stringstream config_test1;
std::stringstream config_test1a;
std::stringstream config_test2;
std::stringstream jamfile;
std::stringstream jamfile_v2;
std::set<std::string> macro_list;
void write_config_info()
{
// load the file into memory so we can scan it:
fs::ifstream ifs(config_path / "config_info.cpp");
std::string file_text;
std::copy(std::istreambuf_iterator<char>(ifs), std::istreambuf_iterator<char>(), std::back_inserter(file_text));
ifs.close();
// create macro list:
std::stringstream ss;
for(std::set<std::string>::const_iterator i(macro_list.begin()), j(macro_list.end());
i != j;
++i)
{
ss << " PRINT_MACRO(" << *i << ");\n";
}
std::string macros = ss.str();
// scan for Boost macro block:
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");
boost::smatch what;
if(boost::regex_search(file_text, what, re))
{
std::string new_text;
new_text.append(what.prefix().first, what[1].first);
new_text.append(macros);
new_text.append(what[1].second, what.suffix().second);
fs::ofstream ofs(config_path / "config_info.cpp");
ofs << new_text;
}
}
void write_config_test()
{
fs::ofstream ofs(config_path / "config_test.cpp");
time_t t = std::time(0);
ofs << "// This file was automatically generated on " << std::ctime(&t);
ofs << "// by libs/config/tools/generate.cpp\n" << copyright << std::endl;
ofs << "// Test file for config setup\n"
"// This file should compile, if it does not then\n"
"// one or more macros need to be defined.\n"
"// see boost_*.ipp for more details\n\n"
"// Do not edit this file, it was generated automatically by\n\n"
"#include <boost/config.hpp>\n#include <iostream>\n#include \"test.hpp\"\n\n"
"int error_count = 0;\n\n";
ofs << config_test1.str() << std::endl;
ofs << config_test1a.str() << std::endl;
ofs << "int main( int, char *[] )\n{\n" << config_test2.str() << " return error_count;\n}\n\n";
}
void write_jamfile_v2()
{
fs::ofstream ofs(config_path / "all" / "Jamfile.v2");
time_t t = std::time(0);
ofs << "#\n# Regression test Jamfile for boost configuration setup.\n# *** DO NOT EDIT THIS FILE BY HAND ***\n"
"# This file was automatically generated on " << std::ctime(&t);
ofs << "# by libs/config/tools/generate.cpp\n"
"# Copyright John Maddock.\n"
"# Use, modification and distribution are subject to the \n"
"# Boost Software License, Version 1.0. (See accompanying file \n"
"# LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)\n"
"#\n# If you need to alter build preferences then set them in\n"
"# the template defined in options_v2.jam.\n#\n"
"path-constant DOT : . ;\n"
"include $(DOT)/options_v2.jam ;\n\n"
"run ../config_info.cpp : : : <threading>single <toolset>msvc:<runtime-link>static <toolset>msvc:<link>static ;\n"
"run ../config_info.cpp : : : <threading>multi : config_info_threaded ;\n"
"run ../math_info.cpp : : : <toolset>borland:<runtime-link>static <toolset>borland:<link>static ;\n"
"run ../config_test.cpp : : : <threading>single <toolset>msvc:<runtime-link>static <toolset>msvc:<link>static ;\n"
"run ../config_test.cpp : : : <threading>multi : config_test_threaded ;\n"
"run ../limits_test.cpp ../../../test/build//boost_test_exec_monitor ;\n"
"run ../abi/abi_test.cpp ../abi/main.cpp ;\n\n";
ofs << jamfile_v2.str() << std::endl;
}
void write_test_file(const fs::path& file,
const std::string& macro_name,
const std::string& namespace_name,
const std::string& header_file,
bool positive_test,
bool expect_success)
{
if(!fs::exists(file))
{
std::cout << "Writing test file " << file.native_directory_string() << std::endl;
fs::ofstream ofs(file);
std::time_t t = std::time(0);
ofs << "// This file was automatically generated on " << std::ctime(&t);
ofs << "// by libs/config/tools/generate.cpp\n" << copyright << std::endl;
ofs << "\n// Test file for macro " << macro_name << std::endl;
if(expect_success)
{
ofs << "// This file should compile, if it does not then\n"
"// " << macro_name << " should ";
if(positive_test)
ofs << "not ";
ofs << "be defined.\n";
}
else
{
ofs << "// This file should not compile, if it does then\n"
"// " << macro_name << " should ";
if(!positive_test)
ofs << "not ";
ofs << "be defined.\n";
}
ofs << "// See file " << header_file << " for details\n\n";
ofs << "// Must not have BOOST_ASSERT_CONFIG set; it defeats\n"
"// the objective of this file:\n"
"#ifdef BOOST_ASSERT_CONFIG\n"
"# undef BOOST_ASSERT_CONFIG\n"
"#endif\n\n";
static const boost::regex tr1_exp("BOOST_HAS_TR1.*");
ofs << "#include <boost/config.hpp>\n";
if(regex_match(macro_name, tr1_exp))
ofs << "#include <boost/tr1/detail/config.hpp>\n";
ofs << "#include \"test.hpp\"\n\n"
"#if";
if(positive_test != expect_success)
ofs << "n";
ofs << "def " << macro_name <<
"\n#include \"" << header_file <<
"\"\n#else\n";
if(expect_success)
ofs << "namespace " << namespace_name << " = empty_boost;\n";
else
ofs << "#error \"this file should not compile\"\n";
ofs << "#endif\n\n";
ofs << "int main( int, char *[] )\n{\n return " << namespace_name << "::test();\n}\n\n";
}
else
{
std::cout << "Skipping existing test file " << file.native_directory_string() << std::endl;
}
}
void process_ipp_file(const fs::path& file, bool positive_test)
{
std::cout << "Info: Scanning file: " << file.native_directory_string() << std::endl;
// our variables:
std::string file_text;
std::string macro_name;
std::string namespace_name;
fs::path positive_file;
fs::path negative_file;
// load the file into memory so we can scan it:
fs::ifstream ifs(file);
std::copy(std::istreambuf_iterator<char>(ifs), std::istreambuf_iterator<char>(), std::back_inserter(file_text));
ifs.close();
// scan for the macro name:
boost::regex macro_regex("//\\s*MACRO\\s*:\\s*(\\w+)");
boost::smatch macro_match;
if(boost::regex_search(file_text, macro_match, macro_regex))
{
macro_name = macro_match[1];
macro_list.insert(macro_name);
namespace_name = boost::regex_replace(file_text, macro_regex, "\\L$1", boost::format_first_only | boost::format_no_copy);
}
if(macro_name.empty())
{
std::cout << "Error: no macro definition found in " << file.native_directory_string();
}
else
{
std::cout << "Info: Macroname: " << macro_name << std::endl;
}
// get the output filesnames:
boost::regex file_regex("boost_([^.]+)\\.ipp");
positive_file = file.branch_path() / boost::regex_replace(file.leaf(), file_regex, "$1_pass.cpp");
negative_file = file.branch_path() / boost::regex_replace(file.leaf(), file_regex, "$1_fail.cpp");
write_test_file(positive_file, macro_name, namespace_name, file.leaf(), positive_test, true);
write_test_file(negative_file, macro_name, namespace_name, file.leaf(), positive_test, false);
// always create config_test data,
// positive and negative tests go to separate streams, because for some
// reason some compilers choke unless we put them in a particular order...
std::ostream* pout = positive_test ? &config_test1a : &config_test1;
*pout << "#if";
if(!positive_test)
*pout << "n";
*pout << "def " << macro_name
<< "\n#include \"" << file.leaf() << "\"\n#else\nnamespace "
<< namespace_name << " = empty_boost;\n#endif\n";
config_test2 << " if(0 != " << namespace_name << "::test())\n"
" {\n"
" std::cerr << \"Failed test for " << macro_name << " at: \" << __FILE__ << \":\" << __LINE__ << std::endl;\n"
" ++error_count;\n"
" }\n";
// always generate the jamfile data:
jamfile << "test-suite \"" << macro_name << "\" : \n"
"[ run " << positive_file.leaf() << " <template>config_options ]\n"
"[ compile-fail " << negative_file.leaf() << " <template>config_options ] ;\n";
jamfile_v2 << "test-suite \"" << macro_name << "\" : \n"
"[ run ../" << positive_file.leaf() << " ]\n"
"[ compile-fail ../" << negative_file.leaf() << " ] ;\n";
}
int cpp_main(int argc, char* argv[])
{
//
// get the boost path to begin with:
//
if(argc > 1)
{
fs::path p(argv[1], fs::native);
config_path = p / "libs" / "config" / "test" ;
}
else
{
// try __FILE__:
fs::path p(__FILE__, fs::native);
config_path = p.branch_path().branch_path() / "test";
}
std::cout << "Info: Boost.Config test path set as: " << config_path.native_directory_string() << std::endl;
// enumerate *.ipp files:
boost::regex ipp_mask("boost_(?:(has)|no).*\\.ipp");
boost::smatch ipp_match;
fs::directory_iterator i(config_path), j;
while(i != j)
{
if(boost::regex_match(i->path().leaf(), ipp_match, ipp_mask))
{
process_ipp_file(*i, ipp_match[1].matched);
}
++i;
}
write_config_test();
write_jamfile_v2();
write_config_info();
return 0;
}