42-archive/42sh/includes/lexer.h

86 lines
2.2 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* lexer.h :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: jhalford <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2016/11/10 15:31:42 by jhalford #+# #+# */
/* Updated: 2016/11/14 18:22:04 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */
#ifndef LEXER_H
# define LEXER_H
# include "minishell.h"
# define TK_LESS 0x0001
# define TK_GREAT 0x0002
# define TK_DLESS 0x0004
# define TK_DGREAT 0x0008
# define TK_LESSAND 0x0010
# define TK_GREATAND 0x0020
# define TK_SEMI 0x0040
# define TK_PIPE 0x0080
# define TK_WORD 0x0100
# define TK_COMMAND 0x0200
# define TK_REDIR 0x1 | 0x2 | 0x4 | 0x8 | 0x10 | 0x20
typedef long long t_type;
typedef enum e_lexstate t_lexstate;
typedef struct s_token t_token;
typedef int t_lexer(t_list **alst,
char *str);
enum e_lexstate
{
DEFAULT,
DELIM,
SEP,
WORD,
NUMBER,
GREAT,
LESS,
GREATAND,
LESSAND,
QUOTE,
DQUOTE,
BACKSLASH,
};
struct s_token
{
t_type type;
char *data;
int size;
};
extern t_lexer *g_lexer[];
/* t_token *token_getnext(int *pos,char *line); */
t_token *token_init();
int ft_tokenize(t_list **alst, char *str, t_lexstate state);
int token_append(t_token *token, char c);
void token_free(void *data, size_t size);
int token_cmp_type(t_type data, t_type ref);
void token_print(t_list *lst);
int ft_is_delim(char c);
t_lexer lexer_default;
t_lexer lexer_delim;
t_lexer lexer_sep;
t_lexer lexer_word;
t_lexer lexer_number;
t_lexer lexer_greatand;
t_lexer lexer_lessand;
t_lexer lexer_quote;
t_lexer lexer_dquote;
t_lexer lexer_backslash;
t_lexer lexer_less;
t_lexer lexer_great;
#endif