--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/extern/vera/src/legacy_main.cpp	Wed Nov 22 20:10:03 2017 +0100
@@ -0,0 +1,335 @@
+//
+// Copyright (C) 2006-2007 Maciej Sobczak
+// Distributed under 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)
+//
+
+#include "config.h"
+#include "structures/SourceFiles.h"
+#include "plugins/Profiles.h"
+#include "plugins/Rules.h"
+#include "plugins/Exclusions.h"
+#include "plugins/Transformations.h"
+#include "plugins/Parameters.h"
+#include "plugins/Reports.h"
+#include "plugins/RootDirectory.h"
+#include <iostream>
+#include <fstream>
+#include <string>
+#include <vector>
+#include <cstdlib>
+#include <sys/stat.h>
+#include "get_vera_root_default.h"
+
+namespace // unnamed
+{
+
+// helper function that checks whether the given file name names the C or C++ source file
+bool isSourceFileName(const Vera::Structures::SourceFiles::FileName & name)
+{
+    const std::string suffixes[] =
+        { ".cpp", ".cxx", ".cc", ".c", ".C", ".h", ".hh", ".hpp", ".hxx", ".ipp" };
+
+    const int numOfSuffixes = sizeof(suffixes) / sizeof(std::string);
+    for (int i = 0; i != numOfSuffixes; ++i)
+    {
+        const std::string suf = suffixes[i];
+        const Vera::Structures::SourceFiles::FileName::size_type pos = name.rfind(suf);
+
+        if (pos != Vera::Structures::SourceFiles::FileName::npos &&
+            pos == name.size() - suf.size())
+        {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+} // unnamed namespace
+
+
+int legacy_main(int argc, char * argv[], bool silent = false)
+{
+    int exitCodeOnFailure = EXIT_FAILURE;
+
+    try
+    {
+        Vera::Plugins::Profiles::ProfileName profile("default");
+
+        // the directory containing the profile and rule definitions
+        // by default it is (in this order, first has highest precedence):
+        // - VERA_ROOT (if VERA_ROOT is defined)
+        // - HOME/.vera++ (if HOME is defined)
+        // - current directory (if scripts and profile are present)
+        // - /usr/lib/vera++/ default debian directory
+
+        Vera::Plugins::RootDirectory::DirectoryName veraRoot(get_vera_root_default(argv[0]));
+
+        struct stat St;
+        bool isInCurrent = ( (stat( "./scripts", &St ) == 0 || stat( "./rules", &St ) == 0
+                                 || stat( "./transforms", &St ) == 0)
+                             && stat( "./profiles", &St ) == 0 );
+
+        // scripts and profiles folders are inside current directory
+        if (isInCurrent)
+        {
+            // we can override /usr/lib/vera++
+            veraRoot = ".";
+        }
+        char * veraRootEnv = getenv("HOME");
+        if (veraRootEnv != NULL)
+        {
+          Vera::Plugins::RootDirectory::DirectoryName veraRootTmp(veraRootEnv);
+          veraRootTmp += "/.vera++";
+          bool isInHome = ( stat( veraRootTmp.c_str(), &St ) == 0 );
+            if (isInHome)
+            {
+                // We assume that if the user has a .vera++ folder in
+                // their home then we can override the current
+                // directory
+                // We don't want to override the current directory
+                // only because $HOME is defined.
+                veraRoot = veraRootEnv;
+                veraRoot += "/.vera++";
+            }
+        }
+        veraRootEnv = getenv("VERA_ROOT");
+        if (veraRootEnv != NULL)
+        {
+            veraRoot = veraRootEnv;
+        }
+
+        Vera::Plugins::RootDirectory::setRootDirectory(veraRoot);
+
+        // collect all source file names and interpret options
+
+        Vera::Plugins::Rules::RuleName singleRule;
+        Vera::Plugins::Transformations::TransformationName singleTransformation;
+
+        bool omitDuplicates = false;
+
+        int i = 1;
+        while (i != argc)
+        {
+            const std::string arg(argv[i]);
+
+            if (arg == "-help")
+            {
+                std::cout << "vera++ [options] [list-of-files]\n\n"
+                    "This command line interface is deprecated and is planned to be removed.\n\n"
+                    "Recognized options:\n\n"
+                    "-                  (a single minus sign) indicates that the list of\n"
+                    "                   source file names will be provided on the stdin.\n\n"
+                    "-exclusions file   read exclusions from file\n\n"
+                    "-help              print this message\n\n"
+                    "-nofail            do not fail even when finding rule violations\n\n"
+                    "-nodup             do not duplicate messages if a single rule is violated\n"
+                    "                   many times in a single line of code\n\n"
+                    "-profile name      execute all rules from the given profile\n\n"
+                    "-param name=value  provide parameters to scripts (can be used many times)\n\n"
+                    "-paramfile file    read parameters from file\n\n"
+                    "-rule name         execute the given rule\n"
+                    "                   (note: the .tcl extension is added automatically)\n\n"
+                    "-showrules         include rule name in each report\n\n"
+                    "-vcformat          report in Visual C++ format\n\n"
+                    "-xmlreport         produce report in the XML format\n\n"
+                    "-transform name    execute the given transformation\n\n"
+                    "-version           print version number\n\n";
+                exit(EXIT_SUCCESS);
+            }
+            else if (arg == "-version")
+            {
+                std::cout << VERA_VERSION << '\n';
+                exit(EXIT_SUCCESS);
+            }
+            else if (arg == "-nofail")
+            {
+                exitCodeOnFailure = EXIT_SUCCESS;
+            }
+            else if (arg == "-nodup")
+            {
+                omitDuplicates = true;
+            }
+            else if (arg == "-")
+            {
+                // list of source files is provided on stdin
+                Vera::Structures::SourceFiles::FileName name;
+                while (std::cin >> name)
+                {
+                    Vera::Structures::SourceFiles::addFileName(name);
+                }
+            }
+            else if (arg == "-showrules")
+            {
+                Vera::Plugins::Reports::setShowRules(true);
+            }
+            else if (arg == "-xmlreport")
+            {
+                Vera::Plugins::Reports::setXMLReport(true);
+            }
+            else if (arg == "-vcformat")
+            {
+                Vera::Plugins::Reports::setVCFormat(true);
+            }
+            else if (arg == "-rule")
+            {
+                ++i;
+                if (argv[i] != NULL)
+                {
+                    singleRule = argv[i];
+                }
+                else
+                {
+                    if (silent == false)
+                    {
+                        std::cerr << "error: option -rule provided with no rule name\n";
+                    }
+                    return exitCodeOnFailure;
+                }
+            }
+            else if (arg == "-profile")
+            {
+                ++i;
+                if (argv[i] != NULL)
+                {
+                    profile = argv[i];
+                }
+                else
+                {
+                    if (silent == false)
+                    {
+                        std::cerr << "error: option -profile provided with no profile name\n";
+                    }
+                    return exitCodeOnFailure;
+                }
+            }
+            else if (arg == "-exclusions")
+            {
+                ++i;
+                if (argv[i] != NULL)
+                {
+                    Vera::Plugins::Exclusions::ExclusionFileName file(argv[i]);
+                    Vera::Plugins::Exclusions::setExclusions(file);
+                }
+                else
+                {
+                    if (silent == false)
+                    {
+                        std::cerr << "error: option -exclusions provided without name of file\n";
+                    }
+                    return exitCodeOnFailure;
+                }
+            }
+            else if (arg == "-param")
+            {
+                ++i;
+                if (argv[i] != NULL)
+                {
+                    Vera::Plugins::Parameters::ParamAssoc assoc(argv[i]);
+                    Vera::Plugins::Parameters::set(assoc);
+                }
+                else
+                {
+                    if (silent == false)
+                    {
+                        std::cerr << "error: option -param provided without name and value\n";
+                    }
+                    return exitCodeOnFailure;
+                }
+            }
+            else if (arg == "-paramfile")
+            {
+                ++i;
+                if (argv[i] != NULL)
+                {
+                    Vera::Plugins::Parameters::FileName file(argv[i]);
+                    Vera::Plugins::Parameters::readFromFile(file);
+                }
+                else
+                {
+                    if (silent == false)
+                    {
+                        std::cerr << "error: option -paramfile provided without name of file\n";
+                    }
+                    return exitCodeOnFailure;
+                }
+            }
+            else if (arg == "-transform")
+            {
+                ++i;
+                if (argv[i] != NULL)
+                {
+                    singleTransformation = argv[i];
+                }
+                else
+                {
+                    if (silent == false)
+                    {
+                        std::cerr
+                            << "error: option -transform provided without name of transformation\n";
+                    }
+                    return exitCodeOnFailure;
+                }
+            }
+            else if (isSourceFileName(arg))
+            {
+                Vera::Structures::SourceFiles::addFileName(arg);
+            }
+            else
+            {
+                // the option was not recognized as a name of the source file
+                // or a vera-specific option
+                if (silent == false)
+                {
+                    std::cerr << "error: option " << arg << " not recognized\n";
+                }
+                return EXIT_FAILURE;
+            }
+
+            ++i;
+        }
+
+        if (Vera::Structures::SourceFiles::empty())
+        {
+            if (silent == false)
+            {
+                std::cerr << "vera++: no input files\n";
+            }
+            return exitCodeOnFailure;
+        }
+
+        if (singleTransformation.empty() == false)
+        {
+            if (singleRule.empty() == false || profile != "default")
+            {
+                if (silent == false)
+                {
+                    std::cerr << "error: "
+                        "transformation cannot be specified together with rules or profiles\n";
+                }
+                return exitCodeOnFailure;
+            }
+
+            Vera::Plugins::Transformations::executeTransformation(singleTransformation);
+        }
+        else if (singleRule.empty() == false)
+        {
+            // single rule requested
+            Vera::Plugins::Rules::executeRule(singleRule);
+        }
+        else
+        {
+            Vera::Plugins::Profiles::executeProfile(profile);
+        }
+
+        Vera::Plugins::Reports::dumpAll(std::cerr, omitDuplicates);
+    }
+    catch (const std::exception & e)
+    {
+        std::cerr << "error: " << e.what() << '\n';
+        exit(exitCodeOnFailure);
+    }
+    return 0;
+}