Initial support for require statements

src/Evaluator/Evaluator.cpp

@@ -7,6 +7,7 @@
 #include "EvalValues/TableEvalValue.hpp"
 #include "../Binder/BoundExpressions/BoundTableExpression.hpp"
 #include "../Binder/BoundExpressions/BoundFunctionCallExpression.hpp"
+#include "../Binder/BoundExpressions/BoundRequireExpression.hpp"
 #include "../ScriptTypes/TableScriptType.hpp"
 #include "../UserData/UserDataFunction.hpp"
 #include "EvalValues/NumericalTableEvalValue.hpp"
@@ -254,6 +255,8 @@ namespace Porygon::Evaluation {
                 return this->EvaluateNumericTableExpression(expression);
             case BoundExpressionKind::Table:
                 return this->EvaluateComplexTableExpression(expression);
+            case BoundExpressionKind::Require:
+                return this -> EvaluateRequireExpression(expression);
         }
     }
 
@@ -396,4 +399,16 @@ namespace Porygon::Evaluation {
         this->_evaluationScope = currentEvaluator;
         return new TableEvalValue(variables);
     }
+
+    EvalValuePointer Evaluator::EvaluateRequireExpression(const BoundExpression* expression) {
+        auto module = dynamic_cast<const BoundRequireExpression*>(expression)->GetModule();
+        if (module ->GetReturnType() == nullptr){
+            for (const auto& v: *module->GetScriptVariables()){
+                this->_scriptVariables->insert({v.first, v.second.Clone()});
+            }
+            return nullptr;
+        } else{
+            return module -> Evaluate().Take();
+        }
+    }
 }

src/Evaluator/Evaluator.hpp

@@ -47,6 +47,8 @@ namespace Porygon::Evaluation{
         EvalValuePointer EvaluateNumericTableExpression(const BoundExpression *expression);
         EvalValuePointer EvaluateComplexTableExpression(const BoundExpression *expression);
 
+        EvalValuePointer EvaluateRequireExpression(const BoundExpression* expression);
+
         EvalValuePointer GetVariable(const BoundVariableExpression *expression);
     public:
         explicit Evaluator(map<Utilities::HashedString, EvalValuePointer>* scriptVariables, const ScriptOptions* options)