42-archive/42sh/src/lexer/get_reserved_words.c
2017-02-22 22:04:45 +01:00

68 lines
2.5 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* get_reserved_words.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: ariard <ariard@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/01/26 00:07:05 by ariard #+# #+# */
/* Updated: 2017/02/21 21:06:16 by ariard ### ########.fr */
/* */
/* ************************************************************************** */
#include "lexer.h"
int get_reserved_words(t_list **alst)
{
t_token *token;
t_token *previous_token;
t_token *ante_token;
t_list *temp;
temp = *alst;
previous_token = NULL;
ante_token = NULL;
while (temp)
{
token = temp->content;
if (!previous_token || (previous_token->type & RW_SEP))
{
if (token->type == TK_WORD)
{
if (ft_strncmp(token->data, "while", 5) == 0)
token->type = TK_WHILE;
else if (ft_strncmp(token->data, "done", 4) == 0)
token->type = TK_DONE;
else if (ft_strncmp(token->data, "do" , 2) == 0)
token->type = TK_DO;
else if (ft_strncmp(token->data, "if", 2) == 0)
token->type = TK_IF;
else if (ft_strncmp(token->data, "then", 4) == 0)
token->type = TK_THEN;
else if(ft_strncmp(token->data, "fi", 4) == 0)
token->type = TK_FI;
else if (ft_strncmp(token->data, "elif", 4) == 0)
token->type = TK_ELIF;
else if (ft_strncmp(token->data, "else", 4) == 0)
token->type = TK_ELSE;
else if (ft_strncmp(token->data, "until", 5) == 0)
token->type = TK_UNTIL;
else if (ft_strncmp(token->data, "case", 4) == 0)
token->type = TK_CASE;
else if (ft_strncmp(token->data, "esac", 4) == 0)
token->type = TK_ESAC;
else if (ft_strncmp(token->data, "for", 3) == 0)
token->type = TK_FOR;
}
}
if (ante_token && (ante_token->type == TK_CASE || ante_token->type == TK_FOR)
&& ft_strncmp(token->data, "in", 2) == 0)
token->type = TK_IN;
if (previous_token && previous_token->type == TK_FOR && token->type == TK_WORD)
token->type = TK_NAME;
ante_token = previous_token;
previous_token = token;
temp = temp->next;
}
return (0);
}