Added error on unfinished parsing

examples/parser-test.sp

@@ -1 +1 @@
-2+2*6+
+2 2 6+

src/Parser.cpp

@@ -17,6 +17,10 @@ std::shared_ptr<ASTNode> Parser::parse()
     advance();
     auto result = expr();
     if (result.is_error()) result.ethrow();
+    if (current_token->tk_type != TT_EOF)
+    {
+        Err<ExprNode>("expected *, /, + or -",current_token).ethrow();
+    }
     return result.get();
 }
 

src/Result.h

@@ -16,6 +16,10 @@ template<typename T> class Result
     {
         Error::throw_error(m_token->loc, m_token->line(), m_error);
     }
+    Token* token()
+    {
+        return m_token;
+    }
     std::shared_ptr<T> get()
     {
         return m_result;