109 lines
3.3 KiB
C
109 lines
3.3 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* lexer.h :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2016/12/01 12:15:50 by jhalford #+# #+# */
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/* Updated: 2017/02/06 16:22:01 by jhalford ### ########.fr */
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/* */
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/* ************************************************************************** */
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#ifndef LEXER_H
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# define LEXER_H
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# include "minishell.h"
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typedef long long t_type;
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# define TK_LESS (1 << 0)
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# define TK_GREAT (1 << 1)
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# define TK_DLESS (1 << 2)
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# define TK_DGREAT (1 << 3)
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# define TK_LESSAND (1 << 4)
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# define TK_GREATAND (1 << 5)
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# define TK_SEMI (1 << 6)
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# define TK_PIPE (1 << 7)
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# define TK_AND_IF (1 << 8)
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# define TK_OR_IF (1 << 9)
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# define TK_AMP (1 << 10)
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# define TK_PAREN_OPEN (1 << 11)
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# define TK_PAREN_CLOSE (1 << 12)
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# define TK_BQUOTE (1 << 13)
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# define TK_N_WORD (1 << 14)
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# define TK_Q_WORD (1 << 15)
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# define TK_DQ_WORD (1 << 16)
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# define TK_COMMAND (1 << 17)
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# define TK_SUBSHELL (1 << 18)
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# define TK_WORD (TK_N_WORD | TK_Q_WORD | TK_DQ_WORD)
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# define TK_REDIR (0x1 | 0x2 | 0x4 | 0x8 | 0x10 | 0x20)
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# define TK_NON_FREEABLE (TK_PAREN_OPEN | TK_PAREN_CLOSE | TK_BQUOTE)
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enum e_lexstate
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{
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DEFAULT,
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DELIM,
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SEP,
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WORD,
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NUMBER,
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GREAT,
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LESS,
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GREATAND,
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LESSAND,
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QUOTE,
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DQUOTE,
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BACKSLASH,
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VAR,
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SPECIAL,
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};
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struct s_token
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{
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t_type type;
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char *data;
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unsigned char *esc;
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int size;
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};
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typedef struct s_data t_data;
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typedef struct s_token t_token;
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typedef enum e_lexstate t_lexstate;
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extern int (*g_lexer[])(t_list **alst, char *str);
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int ft_lexer(t_list **alst, char **str);
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int ft_tokenize(t_list **alst, char *str, t_lexstate state);
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int ft_post_tokenize(t_list **alst, char **str);
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t_token *token_init();
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int token_append(t_token *token, char c, short int esc);
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void token_free(void *data, size_t size);
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int token_cmp_type(t_token *token, t_type *ref);
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void token_print(t_list *lst);
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void token_expand_var(t_token *token);
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int reduce_parens(t_list **alst, char *str);
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int reduce_bquotes(t_list **alst, char **str);
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char *command_getoutput(char *command);
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int ft_is_delim(char c);
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t_lexstate get_lexer_state(char *str);
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int lexer_default(t_list **alst, char *str);
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int lexer_delim(t_list **alst, char *str);
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int lexer_sep(t_list **alst, char *str);
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int lexer_word(t_list **alst, char *str);
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int lexer_number(t_list **alst, char *str);
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int lexer_less(t_list **alst, char *str);
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int lexer_great(t_list **alst, char *str);
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int lexer_lessand(t_list **alst, char *str);
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int lexer_greatand(t_list **alst, char *str);
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int lexer_quote(t_list **alst, char *str);
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int lexer_dquote(t_list **alst, char *str);
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int lexer_backslash(t_list **alst, char *str);
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int lexer_var(t_list **alst, char *str);
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int lexer_special(t_list **alst, char *str);
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#endif
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