Implements binding and evaluating function declarations

src/ScriptType.hpp

@@ -1,7 +1,9 @@
-
 #ifndef PORYGONLANG_SCRIPTTYPE_HPP
 #define PORYGONLANG_SCRIPTTYPE_HPP
 
+#include <utility>
+#include <vector>
+
 enum class TypeClass{
     Error,
     Nil,
@@ -55,4 +57,41 @@ public:
     }
 };
 
+class FunctionScriptType : public ScriptType{
+    ScriptType* _returnType;
+    std::vector<ScriptType*> _parameterTypes;
+    std::vector<int> _parameterKeys;
+    int _scopeId;
+public:
+    FunctionScriptType(ScriptType* returnType, std::vector<ScriptType*> parameterTypes, std::vector<int> parameterKeys, int scopeId)
+    : ScriptType(TypeClass::Function){
+        _returnType = returnType;
+        _parameterTypes = std::move(parameterTypes);
+        _parameterKeys = std::move(parameterKeys);
+        _scopeId = scopeId;
+    }
+    ~FunctionScriptType() final{
+        delete _returnType;
+        for (auto t: _parameterTypes){
+            delete t;
+        }
+    }
+
+    ScriptType* GetReturnType(){
+        return _returnType;
+    }
+
+    std::vector<ScriptType*> GetParameterTypes(){
+        return _parameterTypes;
+    }
+
+    std::vector<int> GetParameterKeys(){
+        return _parameterKeys;
+    }
+
+    int GetScopeId(){
+        return _scopeId;
+    }
+};
+
 #endif //PORYGONLANG_SCRIPTTYPE_HPP