Make tool out of json_converter

tools/CMakeLists.txt

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+add_executable(json_converter json_converter.cpp)
+target_link_libraries(json_converter PRIVATE DRAMSys::config)

tools/json_converter.cpp

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+/*
+ * Copyright (c) 2021, RPTU Kaiserslautern-Landau
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER
+ * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors:
+ *    Derek Christ
+ */
+
+#include <DRAMSys/config/DRAMSysConfiguration.h>
+
+#include <fstream>
+#include <iostream>
+#include <nlohmann/json.hpp>
+
+int main(int argc, char** argv)
+{
+    if (argc < 2)
+    {
+        std::cerr << "Must specify a simulation json.\n";
+        return -1;
+    }
+
+    if (argc < 3)
+    {
+        std::cerr << "Must specify the output json.\n";
+        return -1;
+    }
+
+    std::string pathToJson = argv[1];
+    std::string resourceDirectory = argc <= 3 ? DRAMSYS_RESOURCE_DIR : argv[3];
+
+    auto configuration = DRAMSys::Config::from_path(pathToJson, resourceDirectory);
+
+    nlohmann::json json;
+    json["simulation"] = configuration;
+
+    std::ofstream output(argv[2]);
+    output << json.dump(4);
+
+    return 0;
+}