From: Lukas Jiriste <ljiriste@student.42prague.com>
Date: Thu, 11 Jul 2024 20:44:57 +0000 (+0200)
Subject: Make ft_parse ablle to follow rule to empty token
X-Git-Url: https://git.ljiriste.work/?a=commitdiff_plain;h=3780767352513a759dfd78601b1990b490237289;p=Libft.git

Make ft_parse ablle to follow rule to empty token
---

diff --git a/ft_parse/actions.c b/ft_parse/actions.c
index 9dcc13f..0852052 100644
--- a/ft_parse/actions.c
+++ b/ft_parse/actions.c
@@ -6,7 +6,7 @@
 /*   By: ljiriste <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/06/21 15:34:14 by ljiriste          #+#    #+#             */
-/*   Updated: 2024/07/04 12:22:27 by ljiriste         ###   ########.fr       */
+/*   Updated: 2024/07/11 21:33:32 by ljiriste         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -15,6 +15,8 @@
 #include "libft.h"
 #include <stdlib.h>
 
+static const t_token	empty_token = {.type = "''", .str = NULL};
+
 int	push_state(t_stack *stack, size_t state_num, t_token token)
 {
 	t_parser_stack_element	element;
@@ -48,7 +50,18 @@ static int	hang_top_from_tree(t_stack *stack, t_parse_tree_node *tree,
 {
 	t_parse_tree_node	*node;
 
-	node = ((t_parser_stack_element *)ft_stack_pop(stack, NULL))->node;
+	if (!ft_strcmp(constituent_token->type, "''"))
+	{
+		node = malloc(sizeof(*node));
+		if (!node || ft_vec_init(&node->children, sizeof(*node)))
+		{
+			free(node);
+			return (1);
+		}
+		node->token = ft_token_dup(&empty_token);
+	}
+	else
+		node = ((t_parser_stack_element *)ft_stack_pop(stack, NULL))->node;
 	if (ft_strcmp(node->token.type, constituent_token->type)
 		|| ft_vec_insert(&tree->children, node, 0) != success)
 	{