1 files changed, 17 insertions, 5 deletions
diff --git a/include/symbol.hpp b/include/symbol.hpp
index a388f04..d7be206 100644
--- a/include/symbol.hpp
+++ b/include/symbol.hpp
@@ -4,15 +4,27 @@
 #include "type.hpp"
 
 #include <variant>
+#include <vector>
 #include <string>
 
 class Symbol {
 public:
-    explicit Symbol();
-
-private:
     std::string identifier;
+    int line;
+    int column;
+
+    virtual ~Symbol() = default;
+};
+
+class FunctionDeclarationSymbol : public Symbol {
+    Type return_type;
+    std::vector<std::string> parameters;
+
+    FunctionDeclarationSymbol(std::string identifier, Type return_type, std::vector<std::string> parameters, int line, int column) : identifier(identifier), return_type(return_type), parameters(parameters), line(line), column(column) { }
+};
+
+class VariableDeclarationSymbol : public Symbol {
+    Type type;
 
-    SymbolType symbol_type;
-    std::variant<int, bool, std::string> value;
+    VariableDeclarationSymbol
 };