Properly clear up memory of parsed results

src/Parser/ParsedStatements/ParsedStatement.hpp

@@ -24,6 +24,7 @@ public:
         _start = start;
         _length = length;
     }
+    virtual ~ParsedStatement() = default;
 
     unsigned int GetStartPosition(){
         return _start;
@@ -41,6 +42,12 @@ public:
         : ParsedStatement(statements.front()->GetStartPosition(), statements.back()->GetEndPosition() - statements.front()->GetStartPosition()){
         _statements = std::move(statements);
     }
+    ~ParsedBlockStatement() override {
+        for (auto s: _statements){
+            delete s;
+        }
+        _statements.clear();
+    }
 
     ParsedStatementKind GetKind() override{
         return ParsedStatementKind ::Block;
@@ -51,12 +58,24 @@ public:
     }
 };
 
+class ParsedScriptStatement : public ParsedBlockStatement{
+public:
+    explicit ParsedScriptStatement(vector<ParsedStatement*> statements) : ParsedBlockStatement(move(statements)){}
+
+    ParsedStatementKind GetKind() final{
+        return ParsedStatementKind ::Script;
+    }
+};
+
 class ParsedExpressionStatement : public ParsedStatement{
     ParsedExpression* _expression;
 public:
     explicit ParsedExpressionStatement(ParsedExpression* expression) : ParsedStatement(expression->GetStartPosition(), expression->GetLength()){
         _expression = expression;
     }
+    ~ParsedExpressionStatement() override {
+        delete _expression;
+    }
 
     ParsedStatementKind GetKind() final{
         return ParsedStatementKind ::Expression;