Re-functionnal pretty-printing

src/main.c

@@ -60,6 +60,11 @@ int main(int argc, char **argv)
     // Call the parser to get the AST
     struct ast *command_ast = get_ast(); // We'll pass the options later
 
+    if (options.pretty_print)
+    {
+        ast_print_dot(command_ast);
+    }
+
     // Call the executor with the AST
     r = execution(command_ast);