42-archive/42sh/src/lexer/lexer_curly_brackets.c
2017-02-24 23:17:29 +01:00

46 lines
1.5 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* lexer_curly_brackets.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: ariard <ariard@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/02/24 21:24:50 by ariard #+# #+# */
/* Updated: 2017/02/24 21:48:52 by ariard ### ########.fr */
/* */
/* ************************************************************************** */
#include "parser.h"
int lexer_curly_brackets(t_list **alst, t_lexer *lexer)
{
t_token *token;
t_list **lst;
DG("lexer curly brackets");
lst = alst;
if (*alst)
{
token = (*alst)->content;
if (token->type)
lst = &(*alst)->next;
}
token = token_init();
*lst = ft_lstnew(token, sizeof(*token));
token = (*lst)->content;
if (lexer->str[lexer->pos] == '{')
{
DG("lbrace");
token->type = TK_LBRACE;
push(&lexer->stack, CURLY_BRACKETS);
}
else if (lexer->stack && *(int*)lexer->stack->content == CURLY_BRACKETS)
{
DG("rbrace");
token->type = TK_RBRACE;
pop(&lexer->stack);
}
lexer->pos++;
lexer->state = DEFAULT;
return (lexer_lex(&(*lst)->next, lexer));
}