TestUtils.cpp

/* Copyright 2017 Politecnico di Milano.
 * Developed by : Stefano Cherubin
 *                PhD student, Politecnico di Milano
 *                <first_name>.<family_name>@polimi.it
 *
 * This file is part of libVersioningCompiler
 *
 * libVersioningCompiler is free software: you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation, either version 3
 * of the License, or (at your option) any later version.
 *
 * libVersioningCompiler is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with libVersioningCompiler. If not, see <http://www.gnu.org/licenses/>
 */
#include "versioningCompiler/Utils.hpp"

#include <iostream>
#include <stdlib.h>

#ifndef FORCED_PATH_TO_TEST
#define FORCED_PATH_TO_TEST "../libVersioningCompiler/test_code"
#endif
#define PATH_TO_C_TEST_CODE FORCED_PATH_TO_TEST"/test_code.c"

#ifndef TEST_FUNCTION
#define TEST_FUNCTION "test_function"
#endif

// someone should provide the signature of the function now versioning
// in the form of function pointer type.
typedef int (*signature_t)(int);

using namespace vc; // libVersioningCompiler namespace

int main(int argc, char const *argv[]) {
  vc_utils_init();
  opt_list_t options;
  options.push_back(Option("O", "-O", "2"));
  options.push_back(Option("O", "-D", "TEST_FUNCTION"));
  version_ptr_t v = createVersion(PATH_TO_C_TEST_CODE, TEST_FUNCTION, options);
  signature_t fn_ptr = (signature_t) compileAndGetSymbol(v);
  if(fn_ptr)
    fn_ptr(3);
  else
    std::cerr << "Error: function pointer unavailable" << '\n';
  return 0;
}