From 5316c9880416b77b4b97b07fd6ae47f171a0ba23 Mon Sep 17 00:00:00 2001
From: Dominik Kaiser
Date: Mon, 8 Jul 2024 16:15:32 +0200
Subject: Move assign into cmd node

---
 src/new_node.c | 17 +++--------------
 1 file changed, 3 insertions(+), 14 deletions(-)

(limited to 'src/new_node.c')

diff --git a/src/new_node.c b/src/new_node.c
index 4cdbf9a..c334eb6 100644
--- a/src/new_node.c
+++ b/src/new_node.c
@@ -6,7 +6,7 @@
 /*   By: dkaiser <dkaiser@student.42heilbronn.de    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/06/27 11:21:03 by dkaiser           #+#    #+#             */
-/*   Updated: 2024/06/28 15:04:15 by dkaiser          ###   ########.fr       */
+/*   Updated: 2024/07/08 16:10:44 by dkaiser          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -23,18 +23,6 @@ t_node	*new_node(int type)
 	return (node);
 }
 
-t_node	*new_assign_node(char *var, char *value)
-{
-	t_node	*node;
-
-	node = new_node(ASSIGN_NODE);
-	if (node == NULL)
-		return (NULL);
-	node->content.assign.var = var;
-	node->content.assign.value = value;
-	return (node);
-}
-
 t_node	*new_pipe_node(t_node *left, t_node *right)
 {
 	t_node	*node;
@@ -47,7 +35,7 @@ t_node	*new_pipe_node(t_node *left, t_node *right)
 	return (node);
 }
 
-t_node	*new_cmd_node(char **args, t_redirection redirs[2])
+t_node	*new_cmd_node(char **args, t_assign **assigns, t_redirection redirs[2])
 {
 	t_node	*node;
 
@@ -55,6 +43,7 @@ t_node	*new_cmd_node(char **args, t_redirection redirs[2])
 	if (node == NULL)
 		return (NULL);
 	node->content.cmd.args = args;
+	node->content.cmd.assigns = assigns;
 	node->content.cmd.redirs[0] = redirs[0];
 	node->content.cmd.redirs[1] = redirs[1];
 	return (node);
-- 
cgit v1.2.3


From 47a68b82e0463f5dfd4bd8a9c4b32b4c5fbcb610 Mon Sep 17 00:00:00 2001
From: Dominik Kaiser
Date: Mon, 22 Jul 2024 15:07:59 +0200
Subject: Fix errors and make the parser work

---
 include/ast.h   |  9 ++++++---
 src/free_node.c | 13 ++++++++-----
 src/new_node.c  |  3 ++-
 src/parse_cmd.c | 29 ++++++++++++++++-------------
 4 files changed, 32 insertions(+), 22 deletions(-)

(limited to 'src/new_node.c')

diff --git a/include/ast.h b/include/ast.h
index b0ed996..bf19083 100644
--- a/include/ast.h
+++ b/include/ast.h
@@ -6,12 +6,12 @@
 /*   By: dkaiser <dkaiser@student.42heilbronn.de    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/06/27 11:48:27 by dkaiser           #+#    #+#             */
-/*   Updated: 2024/07/09 16:54:29 by dkaiser          ###   ########.fr       */
+/*   Updated: 2024/07/10 12:31:39 by dkaiser          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include "stdlib.h"
 #include "debug_tools.h"
+#include "stdlib.h"
 
 enum						e_node_type
 {
@@ -68,5 +68,8 @@ typedef struct s_node
 
 t_node						*new_node(int type);
 t_node						*new_pipe_node(t_node *left, t_node *right);
-t_node						*new_cmd_node(char **args, t_assign  **assigns, t_redirection redirs[2]);
+t_node						*new_cmd_node(char **args, t_assign **assigns,
+								t_redirection redirs[2]);
 t_node						*new_string_node(char *string);
+
+void						free_node(t_node *node);
diff --git a/src/free_node.c b/src/free_node.c
index 2dfeb7d..f8677d5 100644
--- a/src/free_node.c
+++ b/src/free_node.c
@@ -6,7 +6,7 @@
 /*   By: dkaiser <dkaiser@student.42heilbronn.de    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/06/27 11:41:46 by dkaiser           #+#    #+#             */
-/*   Updated: 2024/07/09 11:37:11 by dkaiser          ###   ########.fr       */
+/*   Updated: 2024/07/22 14:30:14 by dkaiser          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -40,15 +40,17 @@ static void	free_cmd_node(t_node *node)
 	int	i;
 
 	i = 0;
-	while (node->content.cmd.args[i] != NULL)
+	while (node->content.cmd.args != NULL && node->content.cmd.args[i] != NULL)
 	{
 		free(node->content.cmd.args[i]);
 		i++;
 	}
 	free(node->content.cmd.args);
 	free_assigns(node->content.cmd.assigns);
-	free(node->content.cmd.redirs[0].specifier);
-	free(node->content.cmd.redirs[1].specifier);
+	if (node->content.cmd.redirs[0].type != 0 && node->content.cmd.redirs[0].specifier != NULL)
+		free(node->content.cmd.redirs[0].specifier);
+	if (node->content.cmd.redirs[1].type != 0 && node->content.cmd.redirs[0].specifier != NULL)
+		free(node->content.cmd.redirs[1].specifier);
 }
 
 static void	free_assigns(t_assign **assigns)
@@ -56,10 +58,11 @@ static void	free_assigns(t_assign **assigns)
 	int	i;
 
 	i = 0;
+	if (assigns == 0)
+		return ;
 	while (assigns[i] != NULL)
 	{
 		free(assigns[i]->var);
-		free(assigns[i]->value);
 		free(assigns[i]);
 		i++;
 	}
diff --git a/src/new_node.c b/src/new_node.c
index c334eb6..c2458d0 100644
--- a/src/new_node.c
+++ b/src/new_node.c
@@ -6,7 +6,7 @@
 /*   By: dkaiser <dkaiser@student.42heilbronn.de    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/06/27 11:21:03 by dkaiser           #+#    #+#             */
-/*   Updated: 2024/07/08 16:10:44 by dkaiser          ###   ########.fr       */
+/*   Updated: 2024/07/22 14:25:03 by dkaiser          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -46,6 +46,7 @@ t_node	*new_cmd_node(char **args, t_assign **assigns, t_redirection redirs[2])
 	node->content.cmd.assigns = assigns;
 	node->content.cmd.redirs[0] = redirs[0];
 	node->content.cmd.redirs[1] = redirs[1];
+	free(redirs);
 	return (node);
 }
 
diff --git a/src/parse_cmd.c b/src/parse_cmd.c
index 4fa2bc2..0173caa 100644
--- a/src/parse_cmd.c
+++ b/src/parse_cmd.c
@@ -6,7 +6,7 @@
 /*   By: dkaiser <dkaiser@student.42heilbronn.de    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/07/08 15:06:25 by dkaiser           #+#    #+#             */
-/*   Updated: 2024/07/09 19:22:51 by dkaiser          ###   ########.fr       */
+/*   Updated: 2024/07/10 13:26:17 by dkaiser          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -16,6 +16,8 @@ static t_redirection	*collect_redirs(t_token **tokens);
 static t_assign			**collect_assigns(t_token **tokens);
 static char				**collect_args(t_token **tokens);
 static t_assign			*to_assign(char *str);
+static void				set_redir(t_redirection *redir, int type,
+							char *specifier);
 
 t_node	*parse_cmd(t_token *tokens)
 {
@@ -33,6 +35,7 @@ static t_redirection	*collect_redirs(t_token **tokens)
 {
 	t_redirection	*result;
 	t_token			*cur;
+	int				idx;
 
 	cur = *tokens;
 	result = malloc(sizeof(t_redirection) * 2);
@@ -41,24 +44,18 @@ static t_redirection	*collect_redirs(t_token **tokens)
 		// free all tokens
 		return (NULL);
 	}
-	result[0].specifier = NULL;
-	result[0].type = 0;
-	result[1].specifier = NULL;
-	result[1].type = 0;
+	set_redir(&result[0], 0, NULL);
+	set_redir(&result[1], 0, NULL);
 	while (cur != NULL && cur->next != NULL)
 	{
 		if (cur->type == REDIR_TOKEN && cur->next->type == STRING_TOKEN)
 		{
 			if (cur->content.redir_type & (INPUT_FILE | INPUT_LIMITER))
-			{
-				result[0].type = cur->content.redir_type;
-				result[0].specifier = cur->next->content.string;
-			}
+				idx = 0;
 			else if (cur->content.redir_type & (OUTPUT_APPEND | OUTPUT_OVERRIDE))
-			{
-				result[1].type = cur->content.redir_type;
-				result[1].specifier = cur->next->content.string;
-			}
+				idx = 1;
+			set_redir(&result[idx], cur->content.redir_type,
+				cur->next->content.string);
 			cur = cur->next;
 			free_token_and_connect(cur->previous);
 			if (cur->next != NULL)
@@ -170,3 +167,9 @@ static char	**collect_args(t_token **tokens)
 	result[i] = NULL;
 	return (result);
 }
+
+static void	set_redir(t_redirection *redir, int type, char *specifier)
+{
+	redir->type = type;
+	redir->specifier = specifier;
+}
-- 
cgit v1.2.3


From 99e8655aaf9827c7d5248c7f3d0913fcb1377cfb Mon Sep 17 00:00:00 2001
From: Dominik Kaiser
Date: Sun, 11 Aug 2024 12:27:02 +0200
Subject: Remove assigns

I found out that there's a difference between shell variables and env
variables.
We don't have to implement shell variables, so I removed all code that
handles them.
---
 Makefile              |  2 +-
 include/ast.h         | 12 ++------
 include/minishell.h   |  3 +-
 src/collect_assigns.c | 84 ---------------------------------------------------
 src/free_node.c       | 20 +-----------
 src/new_node.c        |  5 ++-
 src/parse_cmd.c       |  6 ++--
 src/print_ast.c       | 10 +-----
 8 files changed, 10 insertions(+), 132 deletions(-)
 delete mode 100644 src/collect_assigns.c

(limited to 'src/new_node.c')

diff --git a/Makefile b/Makefile
index d4778bf..827c317 100644
--- a/Makefile
+++ b/Makefile
@@ -13,7 +13,7 @@ HEADERS =  -I include -I $(LIB_DIR)/libft
 VPATH   := src
 SRC     := main.c debug_tools.c init.c signal_handling.c repl.c new_token.c \
            free_token.c new_node.c free_node.c tokenizer.c parser.c \
-           parse_cmd.c collect_assigns.c collect_redirs.c print_ast.c
+           parse_cmd.c collect_redirs.c print_ast.c
 
 OBJ_DIR := _obj
 OBJ     := $(addprefix $(OBJ_DIR)/, $(SRC:%.c=%.o))
diff --git a/include/ast.h b/include/ast.h
index bf19083..cd2f9c9 100644
--- a/include/ast.h
+++ b/include/ast.h
@@ -6,7 +6,7 @@
 /*   By: dkaiser <dkaiser@student.42heilbronn.de    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/06/27 11:48:27 by dkaiser           #+#    #+#             */
-/*   Updated: 2024/07/10 12:31:39 by dkaiser          ###   ########.fr       */
+/*   Updated: 2024/08/11 12:20:56 by dkaiser          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -20,12 +20,6 @@ enum						e_node_type
 	STRING_NODE
 };
 
-typedef struct s_assign
-{
-	char					*var;
-	char					*value;
-}							t_assign;
-
 typedef struct s_pipe
 {
 	struct s_node			*left;
@@ -49,7 +43,6 @@ typedef struct s_redirection
 typedef struct s_cmd
 {
 	char					**args;
-	struct s_assign			**assigns;
 	struct s_redirection	redirs[2];
 }							t_cmd;
 
@@ -68,8 +61,7 @@ typedef struct s_node
 
 t_node						*new_node(int type);
 t_node						*new_pipe_node(t_node *left, t_node *right);
-t_node						*new_cmd_node(char **args, t_assign **assigns,
-								t_redirection redirs[2]);
+t_node						*new_cmd_node(char **args, t_redirection redirs[2]);
 t_node						*new_string_node(char *string);
 
 void						free_node(t_node *node);
diff --git a/include/minishell.h b/include/minishell.h
index 4f04682..6997b15 100644
--- a/include/minishell.h
+++ b/include/minishell.h
@@ -6,7 +6,7 @@
 /*   By: dkaiser <dkaiser@student.42heilbronn.de    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/06/22 17:14:49 by dkaiser           #+#    #+#             */
-/*   Updated: 2024/08/11 10:59:16 by dkaiser          ###   ########.fr       */
+/*   Updated: 2024/08/11 12:22:07 by dkaiser          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -34,7 +34,6 @@ void			repl(const char *prompt);
 t_list			*parse(t_token *tokens);
 t_node			*parse_cmd(t_token *tokens);
 t_redirection	*collect_redirs(t_token **tokens);
-t_assign	**collect_assigns(t_token **tokens);
 
 void			print_ast(t_node *ast);
 #endif
diff --git a/src/collect_assigns.c b/src/collect_assigns.c
deleted file mode 100644
index da43503..0000000
--- a/src/collect_assigns.c
+++ /dev/null
@@ -1,84 +0,0 @@
-/* ************************************************************************** */
-/*                                                                            */
-/*                                                        :::      ::::::::   */
-/*   collect_assigns.c                                  :+:      :+:    :+:   */
-/*                                                    +:+ +:+         +:+     */
-/*   By: dkaiser <dkaiser@student.42heilbronn.de    +#+  +:+       +#+        */
-/*                                                +#+#+#+#+#+   +#+           */
-/*   Created: 2024/08/02 13:54:36 by dkaiser           #+#    #+#             */
-/*   Updated: 2024/08/02 14:37:41 by dkaiser          ###   ########.fr       */
-/*                                                                            */
-/* ************************************************************************** */
-
-#include "minishell.h"
-#include "token.h"
-
-static t_assign	*to_assign(char *str);
-static int		count_tokens(t_token *tokens);
-static int		is_quote(char c);
-
-t_assign	**collect_assigns(t_token **tokens)
-{
-	t_token		*cur;
-	t_assign	**result;
-	int			i;
-
-	result = malloc(sizeof(t_assign *) * (count_tokens(*tokens) + 1));
-	if (result == NULL)
-		return (free_tokens(*tokens), NULL);
-	cur = *tokens;
-	i = 0;
-	while (cur != NULL && cur->type == STRING_TOKEN
-		&& !is_quote(cur->content.string[0]) && ft_strchr(cur->content.string,
-			'=') != NULL)
-	{
-		result[i++] = to_assign(cur->content.string);
-		if (cur->next != NULL)
-		{
-			cur = cur->next;
-			free_token(cur->previous);
-		}
-		else
-			free_token(cur);
-	}
-	*tokens = cur;
-	result[i] = NULL;
-	return (result);
-}
-
-static t_assign	*to_assign(char *str)
-{
-	t_assign	*result;
-	char		*split_pos;
-
-	split_pos = ft_strchr(str, '=');
-	*split_pos = '\0';
-	result = malloc(sizeof(t_assign));
-	if (result == NULL)
-	{
-		return (NULL);
-	}
-	result->var = str;
-	result->value = split_pos + 1;
-	return (result);
-}
-
-static int	count_tokens(t_token *tokens)
-{
-	int	len;
-
-	len = 0;
-	while (tokens != NULL && tokens->type == STRING_TOKEN
-		&& !is_quote(tokens->content.string[0])
-		&& ft_strchr(tokens->content.string, '=') != NULL)
-	{
-		len++;
-		tokens = tokens->next;
-	}
-	return (len);
-}
-
-static int	is_quote(char c)
-{
-	return (c == '"' || c == '\'');
-}
diff --git a/src/free_node.c b/src/free_node.c
index f387c0a..6eae059 100644
--- a/src/free_node.c
+++ b/src/free_node.c
@@ -6,7 +6,7 @@
 /*   By: dkaiser <dkaiser@student.42heilbronn.de    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/06/27 11:41:46 by dkaiser           #+#    #+#             */
-/*   Updated: 2024/08/02 13:28:47 by dkaiser          ###   ########.fr       */
+/*   Updated: 2024/08/11 12:26:20 by dkaiser          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -14,7 +14,6 @@
 
 static void	free_pipe_node(t_node *node);
 static void	free_cmd_node(t_node *node);
-static void	free_assigns(t_assign **assigns);
 
 void	free_node(t_node *node)
 {
@@ -46,7 +45,6 @@ static void	free_cmd_node(t_node *node)
 		i++;
 	}
 	free(node->content.cmd.args);
-	free_assigns(node->content.cmd.assigns);
 	if (node->content.cmd.redirs[0].type != 0
 		&& node->content.cmd.redirs[0].specifier != NULL)
 		free(node->content.cmd.redirs[0].specifier);
@@ -54,19 +52,3 @@ static void	free_cmd_node(t_node *node)
 		&& node->content.cmd.redirs[0].specifier != NULL)
 		free(node->content.cmd.redirs[1].specifier);
 }
-
-static void	free_assigns(t_assign **assigns)
-{
-	int	i;
-
-	i = 0;
-	if (assigns == 0)
-		return ;
-	while (assigns[i] != NULL)
-	{
-		free(assigns[i]->var);
-		free(assigns[i]);
-		i++;
-	}
-	free(assigns);
-}
diff --git a/src/new_node.c b/src/new_node.c
index c2458d0..6da9f9e 100644
--- a/src/new_node.c
+++ b/src/new_node.c
@@ -6,7 +6,7 @@
 /*   By: dkaiser <dkaiser@student.42heilbronn.de    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/06/27 11:21:03 by dkaiser           #+#    #+#             */
-/*   Updated: 2024/07/22 14:25:03 by dkaiser          ###   ########.fr       */
+/*   Updated: 2024/08/11 12:22:45 by dkaiser          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -35,7 +35,7 @@ t_node	*new_pipe_node(t_node *left, t_node *right)
 	return (node);
 }
 
-t_node	*new_cmd_node(char **args, t_assign **assigns, t_redirection redirs[2])
+t_node	*new_cmd_node(char **args, t_redirection redirs[2])
 {
 	t_node	*node;
 
@@ -43,7 +43,6 @@ t_node	*new_cmd_node(char **args, t_assign **assigns, t_redirection redirs[2])
 	if (node == NULL)
 		return (NULL);
 	node->content.cmd.args = args;
-	node->content.cmd.assigns = assigns;
 	node->content.cmd.redirs[0] = redirs[0];
 	node->content.cmd.redirs[1] = redirs[1];
 	free(redirs);
diff --git a/src/parse_cmd.c b/src/parse_cmd.c
index eb70f0d..2755cae 100644
--- a/src/parse_cmd.c
+++ b/src/parse_cmd.c
@@ -6,7 +6,7 @@
 /*   By: dkaiser <dkaiser@student.42heilbronn.de    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/07/08 15:06:25 by dkaiser           #+#    #+#             */
-/*   Updated: 2024/08/11 12:14:11 by dkaiser          ###   ########.fr       */
+/*   Updated: 2024/08/11 12:20:06 by dkaiser          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -17,13 +17,11 @@ static char	**collect_args(t_token **tokens);
 t_node	*parse_cmd(t_token *tokens)
 {
 	char			**args;
-	t_assign		**assigns;
 	t_redirection	*redirs;
 
 	redirs = collect_redirs(&tokens);
-	assigns = collect_assigns(&tokens);
 	args = collect_args(&tokens);
-	return (new_cmd_node(args, assigns, redirs));
+	return (new_cmd_node(args, redirs));
 }
 
 static char	**collect_args(t_token **tokens)
diff --git a/src/print_ast.c b/src/print_ast.c
index 94f813f..a511246 100644
--- a/src/print_ast.c
+++ b/src/print_ast.c
@@ -6,7 +6,7 @@
 /*   By: dkaiser <dkaiser@student.42heilbronn.de    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/07/22 15:16:53 by dkaiser           #+#    #+#             */
-/*   Updated: 2024/08/02 13:18:48 by dkaiser          ###   ########.fr       */
+/*   Updated: 2024/08/11 12:26:00 by dkaiser          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -49,14 +49,6 @@ static void	print_cmd_node(t_node *ast, int indent)
 		printf(" '%s'", ast->content.cmd.args[i]);
 		i++;
 	}
-	i = 0;
-	printf("\n%*sASSIGNS:", indent + 2, "");
-	while (ast->content.cmd.assigns[i] != NULL)
-	{
-		printf(" %s=%s", ast->content.cmd.assigns[i]->var,
-			ast->content.cmd.assigns[i]->value);
-		i++;
-	}
 	printf("\n%*sREDIRS:", indent + 2, "");
 	printf("\n%*sIN: %d %s", indent + 4, "", ast->content.cmd.redirs[0].type,
 		ast->content.cmd.redirs[0].specifier);
-- 
cgit v1.2.3


From f24b063f2135f495193dac4847b9f2489d1d954a Mon Sep 17 00:00:00 2001
From: Dominik Kaiser
Date: Fri, 13 Sep 2024 16:23:04 +0200
Subject: Fix SEGV on invalid redirection

---
 src/new_node.c  | 14 +++++++++-----
 src/print_ast.c |  6 ++++--
 2 files changed, 13 insertions(+), 7 deletions(-)

(limited to 'src/new_node.c')

diff --git a/src/new_node.c b/src/new_node.c
index 6da9f9e..5c770aa 100644
--- a/src/new_node.c
+++ b/src/new_node.c
@@ -6,7 +6,7 @@
 /*   By: dkaiser <dkaiser@student.42heilbronn.de    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/06/27 11:21:03 by dkaiser           #+#    #+#             */
-/*   Updated: 2024/08/11 12:22:45 by dkaiser          ###   ########.fr       */
+/*   Updated: 2024/09/13 16:18:29 by dkaiser          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -43,10 +43,14 @@ t_node	*new_cmd_node(char **args, t_redirection redirs[2])
 	if (node == NULL)
 		return (NULL);
 	node->content.cmd.args = args;
-	node->content.cmd.redirs[0] = redirs[0];
-	node->content.cmd.redirs[1] = redirs[1];
-	free(redirs);
-	return (node);
+	if (redirs != NULL)
+	{
+		node->content.cmd.redirs[0] = redirs[0];
+		node->content.cmd.redirs[1] = redirs[1];
+		free(redirs);
+		return (node);
+	}
+	return (NULL);
 }
 
 t_node	*new_string_node(char *string)
diff --git a/src/print_ast.c b/src/print_ast.c
index a511246..e1f0158 100644
--- a/src/print_ast.c
+++ b/src/print_ast.c
@@ -6,7 +6,7 @@
 /*   By: dkaiser <dkaiser@student.42heilbronn.de    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/07/22 15:16:53 by dkaiser           #+#    #+#             */
-/*   Updated: 2024/08/11 12:26:00 by dkaiser          ###   ########.fr       */
+/*   Updated: 2024/09/13 16:21:32 by dkaiser          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -27,7 +27,9 @@ void	print_ast(t_node *ast)
 
 static void	print_ast_rec(t_node *ast, int indent)
 {
-	if (ast->type == CMD_NODE)
+	if (!ast)
+		panic("Parsing error");
+	else if (ast->type == CMD_NODE)
 		print_cmd_node(ast, indent);
 	else if (ast->type == PIPE_NODE)
 	{
-- 
cgit v1.2.3


From 1fec66236f1811a3eeac673d0002fe8d9d3d8835 Mon Sep 17 00:00:00 2001
From: Dominik Kaiser
Date: Tue, 17 Sep 2024 19:25:13 +0200
Subject: Fix error message printing

---
 src/collect_redirs.c | 16 +++++++++-------
 src/new_node.c       |  4 +++-
 src/parser.c         | 40 ++++++++++------------------------------
 3 files changed, 22 insertions(+), 38 deletions(-)

(limited to 'src/new_node.c')

diff --git a/src/collect_redirs.c b/src/collect_redirs.c
index 79ae95c..60f197b 100644
--- a/src/collect_redirs.c
+++ b/src/collect_redirs.c
@@ -6,7 +6,7 @@
 /*   By: dkaiser <dkaiser@student.42heilbronn.de    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/08/02 13:49:31 by dkaiser           #+#    #+#             */
-/*   Updated: 2024/09/17 17:24:35 by dkaiser          ###   ########.fr       */
+/*   Updated: 2024/09/17 19:24:55 by dkaiser          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -21,6 +21,7 @@ t_redirection	*collect_redirs(t_token **tokens)
 {
 	t_redirection	*result;
 	t_token			*cur;
+	int				is_redir_only;
 
 	cur = *tokens;
 	result = malloc(sizeof(t_redirection) * 2);
@@ -31,20 +32,21 @@ t_redirection	*collect_redirs(t_token **tokens)
 	while (cur != NULL && cur->next != NULL)
 	{
 		if (cur->type == REDIR_TOKEN && cur->next->type == STRING_TOKEN)
+		{
+			is_redir_only = 0;
+			if (cur->previous == NULL && cur->next->next == NULL)
+				is_redir_only = 1;
 			cur = collect_redir(tokens, result, cur);
+			if (is_redir_only)
+				*tokens = NULL;
+		}
 		else if (cur->type == REDIR_TOKEN)
-		{
-			printf("Parsing error.\n");
 			return (free(result), NULL);
-		}
 		else
 			cur = cur->next;
 	}
 	if (cur && cur->type == REDIR_TOKEN)
-	{
-		printf("Parsing error.\n");
 		return (free(result), NULL);
-	}
 	return (result);
 }
 
diff --git a/src/new_node.c b/src/new_node.c
index 5c770aa..c58d291 100644
--- a/src/new_node.c
+++ b/src/new_node.c
@@ -6,7 +6,7 @@
 /*   By: dkaiser <dkaiser@student.42heilbronn.de    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/06/27 11:21:03 by dkaiser           #+#    #+#             */
-/*   Updated: 2024/09/13 16:18:29 by dkaiser          ###   ########.fr       */
+/*   Updated: 2024/09/17 18:46:35 by dkaiser          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -27,6 +27,8 @@ t_node	*new_pipe_node(t_node *left, t_node *right)
 {
 	t_node	*node;
 
+	if (left == NULL || right == NULL)
+		return (NULL);
 	node = new_node(PIPE_NODE);
 	if (node == NULL)
 		return (NULL);
diff --git a/src/parser.c b/src/parser.c
index 6993a1f..06c1df7 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -6,43 +6,29 @@
 /*   By: dkaiser <dkaiser@student.42heilbronn.de    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/06/29 15:53:29 by dkaiser           #+#    #+#             */
-/*   Updated: 2024/09/17 15:06:55 by dkaiser          ###   ########.fr       */
+/*   Updated: 2024/09/17 19:03:48 by dkaiser          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
+#include "libft.h"
 #include "minishell.h"
 #include "token.h"
 
 static t_token	*find_token_by_type(t_token *tokens, int type);
 t_token			*split_at_first(t_token **tokens, int type);
 static t_node	*parse_statement(t_token *tokens);
-static void		free_node_wrapper(void *node);
 
 t_list	*parse(t_token *tokens)
 {
-	t_list	*result;
-	t_list	*current;
-	t_token	*current_tokens;
+	t_node	*result;
 
-	result = NULL;
-	current_tokens = split_at_first(&tokens, NEWLINE_TOKEN);
-	while (current_tokens != NULL)
-	{
-		if (result == NULL)
-		{
-			current = ft_lstnew(parse_statement(current_tokens));
-			result = current;
-		}
-		else
-		{
-			current->next = ft_lstnew(parse_statement(current_tokens));
-			current = current->next;
-		}
-		if (current == NULL)
-			return (ft_lstclear(&result, free_node_wrapper), NULL);
-		current_tokens = split_at_first(&tokens, NEWLINE_TOKEN);
-	}
-	return (result);
+	if ((*tokens).type == PIPE_TOKEN)
+		result = NULL;
+	else
+		result = parse_statement(tokens);
+	if (result == NULL)
+		printf("Parsing error.\n");
+	return (ft_lstnew(result));
 }
 
 static t_node	*parse_statement(t_token *tokens)
@@ -53,7 +39,6 @@ static t_node	*parse_statement(t_token *tokens)
 	if (left_side_tokens == NULL)
 	{
 		free_tokens(tokens);
-		printf("Parsing error.\n");
 		return (NULL);
 	}
 	else if (tokens != NULL)
@@ -97,8 +82,3 @@ static t_token	*find_token_by_type(t_token *tokens, int type)
 	}
 	return (NULL);
 }
-
-static void	free_node_wrapper(void *node)
-{
-	free_node((t_node *)node);
-}
-- 
cgit v1.2.3