From 8103cadfc95fb76539bfccc893a2101ccb89ea90 Mon Sep 17 00:00:00 2001
From: Dominik Kaiser
Date: Fri, 28 Jun 2024 15:09:32 +0200
Subject: Add data structures for tokenizing and parsing

* Add data structures and helper functions for ast

* Add data structures for tokenizing

* Add helper functions for token structures

* Include token.h in minishell.h

* Add new/free functions for nodes/tokens to Makefile

* Add UNREACHABLE macro to debug_tools.h---
 include/token.h | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 include/token.h

(limited to 'include/token.h')

diff --git a/include/token.h b/include/token.h
new file mode 100644
index 0000000..38e758f
--- /dev/null
+++ b/include/token.h
@@ -0,0 +1,49 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   token.h                                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: dkaiser <dkaiser@student.42heilbronn.de    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/06/27 13:27:18 by dkaiser           #+#    #+#             */
+/*   Updated: 2024/06/28 14:59:19 by dkaiser          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#ifndef TOKEN_H
+# define TOKEN_H
+
+# include "stdlib.h"
+
+enum						e_token_type
+{
+	STRING_TOKEN,
+	PIPE_TOKEN,
+	REDIR_TOKEN,
+	NEWLINE_TOKEN
+};
+
+union						u_token_content
+{
+	char					*string;
+	int						redir_type;
+};
+
+typedef struct s_token
+{
+	int						type;
+	union u_token_content	content;
+	struct s_token			*previous;
+	struct s_token			*next;
+}							t_token;
+
+t_token						*new_token(int type, t_token *previous,
+								t_token *next);
+t_token						*new_str_token(char *str, t_token *previous,
+								t_token *next);
+t_token						*new_redir_token(int type, t_token *previous,
+								t_token *next);
+
+void						free_token(t_token *token);
+
+#endif
-- 
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