Implements return statement

src/Binder/Binder.hpp

@@ -10,6 +10,7 @@
 class Binder {
     Script* _scriptData;
     BoundScope* _scope;
+    shared_ptr<FunctionScriptType> _currentFunction;
 
     ~Binder();
 
@@ -18,6 +19,7 @@ class Binder {
     BoundStatement *BindExpressionStatement(ParsedStatement *statement);
     BoundStatement *BindAssignmentStatement(ParsedStatement *statement);
     BoundStatement *BindFunctionDeclarationStatement(ParsedStatement * statement);
+    BoundStatement *BindReturnStatement(ParsedStatement *statement);
 
     BoundExpression *BindExpression(ParsedExpression *expression);
     BoundExpression *BindVariableExpression(VariableExpression *expression);