diff --git a/src/config.cpp b/src/config.cpp
index 7e313b2..7b31a76 100644
--- a/src/config.cpp
+++ b/src/config.cpp
@@ -24,6 +24,7 @@ Configuration::Configuration(int argc, char **argv)
             debug_lexer = true;
             break;
         default:
+            std::cerr << "Please specify input arguments\n";
         }
     }
     valid = true;
diff --git a/src/lexer.l b/src/lexer.l
index 68f93b0..56bfb38 100644
--- a/src/lexer.l
+++ b/src/lexer.l
@@ -2,12 +2,13 @@
 
 %{
 #include <iostream>
+#include "../build/parser.hpp"
+
 #define YY_DECL yy::Parser::symbol_type yylex(yyscan_t yyscanner, yy::location& loc)
 
 #define YY_USER_ACTION loc.columns(yyleng);
 #define yyterminate() return yy::Parser::make_END(loc)
 
-#include "../build/parser.hpp"
 
 %}
 
diff --git a/src/main.cpp b/src/main.cpp
index 97ca6da..82a4845 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,14 +1,44 @@
 #include "../build/parser.hpp"
+#include "../build/lexer.hpp"
 #include "../src/config.hpp"
+#include "../src/ParserCtx.hpp"
+#include <iostream>
+#include <fstream>
+
+yy::Parser::symbol_type yylex(yyscan_t yyscanner, yy::location &loc);
+
+void dump_tokens(Elite::ParserCtx &ctx)
+{
+    while (true)
+    {
+        auto tok = yylex(ctx.lexer, *ctx.loc);
+
+        std::cout
+            << "Token: "
+            << yy::Parser::symbol_name(tok.kind())
+            << ", Location: " << tok.location
+            << '\n';
+
+        if (tok.kind() == yy::Parser::token::END)
+            break;
+    }
+}
 
 int main(int argc, char *argv[])
 {
+    Elite::ParserCtx ctx;
     Configuration config(argc, argv);
     if (!config.valid)
     {
         std::cout << "Please provide a valid configuration\n";
         return -1;
     }
-    Elite::ParserCtx ctx;
+
+    if (config.debug_lexer)
+    {
+        dump_tokens(ctx);
+        return 0;
+    }
+
     return ctx.parser->parse();
 }
\ No newline at end of file