external/bsd/atf/dist/tools/atf-compile.cpp

   1 //
   2 // Automated Testing Framework (atf)
   3 //
   4 // Copyright (c) 2007, 2008 The NetBSD Foundation, Inc.
   5 // All rights reserved.
   6 //
   7 // Redistribution and use in source and binary forms, with or without
   8 // modification, are permitted provided that the following conditions
   9 // are met:
  10 // 1. Redistributions of source code must retain the above copyright
  11 //    notice, this list of conditions and the following disclaimer.
  12 // 2. Redistributions in binary form must reproduce the above copyright
  13 //    notice, this list of conditions and the following disclaimer in the
  14 //    documentation and/or other materials provided with the distribution.
  15 //
  16 // THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
  17 // CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
  18 // INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  19 // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20 // IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
  21 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  23 // GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  24 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
  25 // IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  26 // OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
  27 // IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28 //
  29
  30 extern "C" {
  31 #include <sys/types.h>
  32 #include <sys/stat.h>
  33 }
  34
  35 #include <cstdlib>
  36 #include <fstream>
  37 #include <iostream>
  38
  39 #include "atf-c++/application.hpp"
  40 #include "atf-c++/config.hpp"
  41 #include "atf-c++/sanity.hpp"
  42
  43 static
  44 void
  45 cat_file(std::ostream& os, const std::string& path)
  46 {
  47     std::ifstream is(path.c_str());
  48     if (!is)
  49         throw std::runtime_error("Cannot open " + path);
  50     std::string line;
  51     while (std::getline(is, line))
  52         os << line << std::endl;
  53     is.close();
  54 }
  55
  56 class atf_compile : public atf::application::app {
  57     static const char* m_description;
  58
  59     std::string m_outfile;
  60
  61     std::string specific_args(void) const;
  62     options_set specific_options(void) const;
  63     void process_option(int ch, const char*);
  64
  65     void compile(std::ostream&);
  66
  67 public:
  68     atf_compile(void);
  69
  70     int main(void);
  71 };
  72
  73 const char* atf_compile::m_description =
  74     "atf-compile is a tool that ``compiles'' test cases written in the "
  75     "POSIX shell language, generating an executable.";
  76
  77 atf_compile::atf_compile(void) :
  78     app(m_description, "atf-compile(1)", "atf(7)")
  79 {
  80 }
  81
  82 std::string
  83 atf_compile::specific_args(void)
  84     const
  85 {
  86     return "<test-program>";
  87 }
  88
  89 atf_compile::options_set
  90 atf_compile::specific_options(void)
  91     const
  92 {
  93     using atf::application::option;
  94     options_set opts;
  95     opts.insert(option('o', "out-file", "Name of the output file"));
  96     return opts;
  97 }
  98
  99 void
 100 atf_compile::process_option(int ch, const char* arg)
 101 {
 102     switch (ch) {
 103     case 'o':
 104         m_outfile = arg;
 105         break;
 106
 107     default:
 108         UNREACHABLE;
 109     }
 110 }
 111
 112 void
 113 atf_compile::compile(std::ostream& os)
 114 {
 115     os << "#! " << atf::config::get("atf_shell") << std::endl;
 116     cat_file(os, atf::config::get("atf_pkgdatadir") + "/atf.init.subr");
 117     os << std::endl;
 118     os << ". ${Atf_Pkgdatadir}/atf.header.subr" << std::endl;
 119     os << std::endl;
 120     for (int i = 0; i < m_argc; i++) {
 121         cat_file(os, m_argv[i]);
 122         os << std::endl;
 123     }
 124     os << ". ${Atf_Pkgdatadir}/atf.footer.subr" << std::endl;
 125     os << std::endl;
 126     os << "main \"${@}\"" << std::endl;
 127 }
 128
 129 int
 130 atf_compile::main(void)
 131 {
 132     if (m_argc < 1)
 133         throw atf::application::usage_error("No test program specified");
 134
 135     if (m_outfile.empty())
 136         throw atf::application::usage_error("No output file specified");
 137
 138     std::ofstream os(m_outfile.c_str());
 139     if (!os)
 140         throw std::runtime_error("Cannot open output file `" +
 141                                  m_outfile + "'");
 142     compile(os);
 143     os.close();
 144
 145     mode_t umask = ::umask(S_IRWXU | S_IRWXG | S_IRWXO);
 146     ::umask(umask);
 147
 148     if (::chmod(m_outfile.c_str(),
 149                 (S_IRWXU | S_IRWXG | S_IRWXO) & ~umask) == -1)
 150         throw std::runtime_error("Cannot set executable permissions "
 151                                  "on `" + m_outfile + "'");
 152
 153     return EXIT_SUCCESS;
 154 }
 155
 156 int
 157 main(int argc, char* const* argv)
 158 {
 159     return atf_compile().run(argc, argv);
 160 }