From 18fb7cb8ae69fc3439266a154aa6b0f947d6805d Mon Sep 17 00:00:00 2001
From: Christopher Uhlig
Date: Thu, 23 Jan 2025 18:41:18 +0100
Subject: a

---
 src/parser.c | 35 ++++++++++++++++++++++-------------
 1 file changed, 22 insertions(+), 13 deletions(-)

(limited to 'src/parser.c')

diff --git a/src/parser.c b/src/parser.c
index 2d748c9..68ab372 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -6,7 +6,7 @@
 /*   By: chuhlig <chuhlig@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/06/29 15:53:29 by dkaiser           #+#    #+#             */
-/*   Updated: 2025/01/22 17:13:50 by dkaiser          ###   ########.fr       */
+/*   Updated: 2025/01/23 18:00:18 by chuhlig          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -21,7 +21,7 @@ static t_node	*parse_statement(t_token *tokens, t_env **env);
 
 t_node	*parse(t_token *tokens, t_env **env)
 {
-	t_node	*result;
+	t_node	*result;//
 
 	if ((*tokens).type == PIPE_TOKEN)
 		result = NULL;
@@ -29,15 +29,20 @@ t_node	*parse(t_token *tokens, t_env **env)
 		result = parse_statement(tokens, env);
 	if (result == NULL)
 		printf("Parsing error.\n");
+	// if (tokens != NULL)
+	// 	print_token_list(tokens);
 	return (result);
 }
 
 static t_node	*parse_statement(t_token *tokens, t_env **env)
 {
 	t_token	*left_side_tokens;
-
-	left_side_tokens = split_at_first(&tokens, PIPE_TOKEN);
-	if (left_side_tokens == NULL)
+	
+	print_token_list(tokens);//until her is fine
+	left_side_tokens = split_at_first(&tokens, PIPE_TOKEN);//by pipe usage parse cmd gets reacls so also check there the token list changes
+	//leftside toke has the pos of pipe -> next
+	//or if we have pipe we return token head and also change the *tokens to after pipe
+	if (left_side_tokens == NULL)// we never return NULL exept token is already null
 	{
 		free_tokens(tokens);
 		tokens = NULL;
@@ -46,12 +51,13 @@ static t_node	*parse_statement(t_token *tokens, t_env **env)
 	else if (tokens != NULL)
 	{
 		return (new_pipe_node(parse_cmd(left_side_tokens, env),
-				parse_statement(tokens, env)));
+				parse_statement(tokens, env)));//here new pipe node
 	}
 	else
 	{
-		return (parse_cmd(left_side_tokens, env));
-	}
+		print_token_list(left_side_tokens);
+		return (parse_cmd(left_side_tokens, env));//here return is cmd node
+	}// here he takt left side token so
 }
 
 t_token	*split_at_first(t_token **tokens, int type)
@@ -59,21 +65,24 @@ t_token	*split_at_first(t_token **tokens, int type)
 	t_token	*split;
 	t_token	*result;
 
-	split = find_token_by_type(*tokens, type);
+	split = find_token_by_type(*tokens, type);//split has the pos of where pipe appears// if no pipe in tokenlist 1st if case
 	if (split == NULL)
 	{
 		result = *tokens;
-		*tokens = NULL;
+		*tokens = NULL;//we are change to pointing token to NULL
 		return (result);
 	}
 	result = *tokens;
-	*tokens = split->next;
+	*tokens = split->next;// is this part enought reconnetion
 	if (result == split)
 		result = NULL;
-	free_token2(split);
+	free_token2(split);//why free here? bv would free pipe node but what is with the connection of the tokenlist does this mess up the connection?
 	split = NULL;
-	return (result);
+	return (result);// at this return return is at tokenlist pos of split next and result is the tokenlist before split
 }
+//free token seems not right here even 
+// or at least no the right funtion here 
+// 
 
 static t_token	*find_token_by_type(t_token *tokens, int type)
 {
-- 
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