diff --git a/srcs/debug.c b/srcs/debug.c
index 00b5a25..15a5c67 100644
--- a/srcs/debug.c
+++ b/srcs/debug.c
@@ -6,7 +6,7 @@
 /*   By: marde-vr <marde-vr@42angouleme.fr>         +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/02/18 15:46:50 by tomoron           #+#    #+#             */
-/*   Updated: 2024/03/28 14:29:21 by tomoron          ###   ########.fr       */
+/*   Updated: 2024/04/01 20:07:08 by tomoron          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -49,4 +49,5 @@ void	print_parsed_cmd(t_cmd *cmd)
 			printf("[PIPE] ");
 		cmd = cmd->next;
 	}
+	printf("\n");
 }
diff --git a/srcs/exec_bonus.c b/srcs/exec_bonus.c
index 74914c3..5f777fb 100644
--- a/srcs/exec_bonus.c
+++ b/srcs/exec_bonus.c
@@ -6,7 +6,7 @@
 /*   By: marde-vr <marde-vr@42angouleme.fr>         +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/03/28 13:50:14 by tomoron           #+#    #+#             */
-/*   Updated: 2024/03/30 17:29:07 by marde-vr         ###   ########.fr       */
+/*   Updated: 2024/04/01 20:08:24 by tomoron          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -14,12 +14,21 @@
 
 void	exec_command_bonus(t_msh *msh, char *cmd_str)
 {
-	t_cmd *cmds;
+	t_cmd	*cmds;
+	t_cmd	*tmp;
 
 	(void)msh;
 	printf("cmd : %s\n",cmd_str);
 	cmds = parsing_bonus(cmd_str);
-	printf("%p\n", cmds);
+	tmp = check_cmds_syntax(cmds);
+	if(tmp)
+	{
+		print_syntax_error_bonus(tmp);
+		printf("error\n");
+		free_cmd(cmds);
+		return;
+	}
+	printf("has address : %d\n", cmds!=0);
 	msh->tokens = parse_command(cmd_str, msh->env);
 	msh->cmds = cmds;
 	print_parsed_cmd(cmds);
diff --git a/srcs/minishell.h b/srcs/minishell.h
index 70f9811..4b3954d 100755
--- a/srcs/minishell.h
+++ b/srcs/minishell.h
@@ -6,7 +6,7 @@
 /*   By: marde-vr <marde-vr@42angouleme.fr>         +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/02/04 17:31:38 by tomoron           #+#    #+#             */
-/*   Updated: 2024/03/30 17:15:14 by marde-vr         ###   ########.fr       */
+/*   Updated: 2024/04/01 20:15:11 by tomoron          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -41,19 +41,9 @@ typedef struct s_cmd
 	struct s_cmd	*next;
 }	t_cmd;
 
-typedef enum e_token_type
-{
-	ARG,
-	RED_O,
-	RED_O_APP,
-	RED_I,
-	HERE_DOC
-}	t_token_type;
-
 
 typedef struct s_token
 {
-	t_token_type	type;
 	char			*value;
 	struct s_token	*next;
 }	t_token;
@@ -115,6 +105,7 @@ void	parse_var(t_msh *msh, char *line);
 void	print_parsed_token(t_token *cmd);//debug
 int		get_var_name_len(char *command);
 void	handle_minishellrc(t_msh *msh);
+t_cmd	*check_cmds_syntax(t_cmd *cmds);
 char	*get_tmp_file_name(t_msh *msh);
 int		get_args_count(t_cmd *cmds);
 char	**env_to_char_tab(t_env *env);
@@ -132,6 +123,8 @@ void	get_cmd_path(t_msh *msh);
 t_token	*free_token(t_token *cmd);
 int		set_echoctl(int value);
 int		print_env(t_env *env);
+t_cmd	*free_cmd(t_cmd *cmd);
+void	print_syntax_error_bonus(t_cmd *cmd);
 int		ft_export(t_msh *msh);
 void	free_env(t_env *env);
 int		ft_unset(t_msh *msh);
diff --git a/srcs/parsing_bonus.c b/srcs/parsing_bonus.c
index b7b4420..8f8a83f 100644
--- a/srcs/parsing_bonus.c
+++ b/srcs/parsing_bonus.c
@@ -6,13 +6,13 @@
 /*   By: tomoron <marvin@42.fr>                     +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/03/27 14:40:44 by tomoron           #+#    #+#             */
-/*   Updated: 2024/03/30 16:44:47 by tomoron          ###   ########.fr       */
+/*   Updated: 2024/04/01 20:04:55 by tomoron          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "minishell.h"
 
-int	check_syntax(char *cmd)
+int	check_str_syntax(char *cmd)
 {
 	int	in_quote;
 	int	in_dquote;
@@ -119,6 +119,45 @@ char	*get_cmd_value(char **cmd , t_cmd_type type)
 		(*cmd)++;
 	return(res);
 }
+void	print_syntax_error_bonus(t_cmd *cmd)
+{
+	if (cmd->cmd_type == CMD || cmd->cmd_type == PAREN)
+		return;
+
+	ft_printf_fd(2, "minishell : syntax error near unexpected token `");
+	if(cmd->cmd_type == AND)
+		ft_printf_fd(2, "AND");
+	if(cmd->cmd_type == OR)
+		ft_printf_fd(2, "OR");
+	if(cmd->cmd_type == PIPE)
+		ft_printf_fd(2, "PIPE");
+	ft_printf_fd(2, "'\n");
+}
+
+t_cmd	*check_cmds_syntax(t_cmd *cmds)
+{
+	t_cmd_type	last;
+	t_token		*token;
+
+	if(cmds->cmd_type == OR || cmds->cmd_type == AND || cmds->cmd_type == PIPE)
+		return(cmds);
+	last = cmds->cmd_type;
+	cmds = cmds->next;
+	while(cmds)
+	{
+		if(cmds->cmd_type == OR || cmds->cmd_type == AND || cmds->cmd_type == PIPE)
+			if((last != CMD && last != PAREN) || (!cmds->next && cmds->next->cmd_type != CMD && cmds->next->cmd_type != PAREN))
+				return(cmds);
+		if(cmds->cmd_type == CMD || cmds->cmd_type == PAREN)
+		{
+			token = parse_command(cmds->value, 0);
+			if(!token)
+				return(cmds);
+			free_token(token);
+		}
+	}
+	return(0); 
+}
 
 t_cmd	*parsing_bonus(char *cmd)
 {
@@ -127,7 +166,7 @@ t_cmd	*parsing_bonus(char *cmd)
 	char		*value;
 
 	res = 0;
-	if (!check_syntax(cmd))
+	if (!check_str_syntax(cmd))
 		return (0);
 	while (*cmd)
 	{