util/m5/src/call_type.cc

   1 /*
   2  * Copyright 2020 Google Inc.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met: redistributions of source code must retain the above copyright
   7  * notice, this list of conditions and the following disclaimer;
   8  * redistributions in binary form must reproduce the above copyright
   9  * notice, this list of conditions and the following disclaimer in the
  10  * documentation and/or other materials provided with the distribution;
  11  * neither the name of the copyright holders nor the names of its
  12  * contributors may be used to endorse or promote products derived from
  13  * this software without specific prior written permission.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  16  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  17  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  18  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  19  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  21  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  25  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 #include <cassert>
  29 #include <sstream>
  30
  31 #include "call_type.hh"
  32
  33 std::vector<CallType *> &
  34 CallType::allTypes()
  35 {
  36     static std::vector<CallType *> all;
  37     return all;
  38 }
  39
  40 CallType &
  41 CallType::detect(Args &args)
  42 {
  43     CallType *def = nullptr;
  44
  45     for (auto *ct: allTypes()) {
  46         if (ct->checkArgs(args)) {
  47             ct->init();
  48             return *ct;
  49         }
  50         if (ct->isDefault())
  51             def = ct;
  52     }
  53
  54     assert(def);
  55     def->init();
  56     return *def;
  57 }
  58
  59 std::string
  60 CallType::usageSummary()
  61 {
  62     std::string summary = "";
  63     for (auto *ct: allTypes())
  64         summary += ct->formattedUsage();
  65     return summary;
  66 }
  67
  68 std::string
  69 CallType::formattedUsage() const
  70 {
  71     std::ostringstream os;
  72     os << "    ";
  73     printBrief(os);
  74     if (isDefault())
  75         os << " (default)";
  76     os << std::endl;
  77
  78     os << "        ";
  79     printDesc(os);
  80     os << std::endl;
  81     return os.str();
  82 }