42-archive/42sh/includes/lexer.h
2017-03-12 22:01:25 +01:00

127 lines
3.8 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* lexer.h :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2016/12/01 12:15:50 by jhalford #+# #+# */
/* Updated: 2017/03/08 23:20:20 by ariard ### ########.fr */
/* */
/* ************************************************************************** */
#ifndef LEXER_H
# define LEXER_H
# include "minishell.h"
# include "libft.h"
# include "types.h"
//# define TK_REDIR (0x1 | 0x2 | 0x4 | 0x8 | 0x10 | 0x20)
# define TK_NON_FREEABLE (TK_PAREN_OPEN | TK_PAREN_CLOSE | TK_BQUOTE)
# define RW_SEP (TK_NEWLINE | TK_AMP | TK_SEMI | TK_WHILE | TK_DONE\
| TK_DO | TK_IF | TK_FI | TK_THEN | TK_ELIF | TK_ELSE)
enum e_lexstate
{
DEFAULT, //#define DEFAULT 0
PAREN,
HEREDOC,
NEWLINE,
DELIM,
SEP,
WORD,
NUMBER,
LESS,
GREAT,
LESSAND,
GREATAND,
QUOTE,
DQUOTE,
BQUOTE,
DQUOTE_BQUOTE,
BACKSLASH,
CURLY_BRACKETS,
ASSIGNEMENT_WORD,
END,
};
struct s_token
{
t_type type;
char *data;
unsigned char *esc;
unsigned char *esc2;
int size;
};
struct s_lexer
{
char *str;
int pos;
t_lexstate state;
t_list *stack;
t_list *heredoc_stack;
};
struct s_rvwords
{
char *word;
int type;
};
extern t_rvwords g_rvwords[];
extern int (*g_lexer[])(t_list **alst, t_lexer *lexer);
int ft_post_tokenize(t_list **alst, char **str);
t_token *token_init();
int token_append(t_token *token, t_lexer *lexer,
short int esc, short int esc2);
int token_append_char(t_token *token, char c,
short int esc, short int esc2);
int token_append_str(t_token *token, char *str,
short int esc, short int esc2);
void token_free(void *data, size_t size);
int token_cmp_type(t_token *token, t_type *ref);
void token_print(t_list *lst);
int reduce_parens(t_list **alst, char *str);
int bquotes_expand(t_list **alst);
char *command_getoutput(char *command);
int ft_is_delim(char c);
int ft_is_delim_list(char c);
char *stack_to_prompt(t_list *stack);
t_lexstate get_state_global(t_lexer *lexer);
t_lexstate get_state_redir(t_lexer *lexer);
int get_lexer_stack(t_lexer lexer);
int get_reserved_words(t_list **alst);
int insert_newline(t_list **alst);
void lexer_init(t_lexer *lexer);
int lexer_lex(t_list **alst, t_lexer *lexer);
int lexer_default(t_list **alst, t_lexer *lexer);
int lexer_newline(t_list **alst, t_lexer *lexer);
int lexer_heredoc(t_list **alst, t_lexer *lexer);
int lexer_delim(t_list **alst, t_lexer *lexer);
int lexer_sep(t_list **alst, t_lexer *lexer);
int lexer_word(t_list **alst, t_lexer *lexer);
int lexer_number(t_list **alst, t_lexer *lexer);
int lexer_less(t_list **alst, t_lexer *lexer);
int lexer_great(t_list **alst, t_lexer *lexer);
int lexer_greatand(t_list **alst, t_lexer *lexer);
int lexer_lessand(t_list **alst, t_lexer *lexer);
int lexer_quote(t_list **alst, t_lexer *lexer);
int lexer_dquote(t_list **alst, t_lexer *lexer);
int lexer_bquote(t_list **alst, t_lexer *lexer);
int lexer_backslash(t_list **alst, t_lexer *lexer);
int lexer_paren(t_list **alst, t_lexer *lexer);
int lexer_curly_braces(t_list **alst, t_lexer *lexer);
int lexer_assignement_word(t_list **alst, t_lexer *lexer);
int lexer_comment(t_list **alst, t_lexer *lexer);
int lexer_end(t_list **alst, t_lexer *lexer);
#endif