Load symbols from the json

main.cpp

@@ -3,6 +3,9 @@
 #include <string>
 #include <cctype>
 #include <map>
+#include <fstream>
+
+#include <nlohmann/json.hpp>
 
 // Comp map
 const std::map<std::string, std::string> compMap = {
@@ -92,7 +95,14 @@ static inline std::string strip(const std::string &s) {
     return result;
 }
 
+using symbolsMap = std::map<std::string, int>;
+
 int main() {
+    // Load predefined symbols
+    std::ifstream file("./symbols.json");
+    nlohmann::json symbols_json = nlohmann::json::parse(file);
+    symbolsMap symbols_map = symbols_json.get<symbolsMap>();
+
     std::string line;
     while (std::getline(std::cin, line)) {
         line = trim(line);