42-archive/42sh/src/lexer/lexer_word.c
2017-03-03 17:33:36 +01:00

77 lines
2.1 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* lexer_word.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2016/12/03 12:07:11 by jhalford #+# #+# */
/* Updated: 2017/03/03 17:31:56 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */
#include "lexer.h"
static int word_is_assignment(t_token *token)
{
const int len = ft_strlen(token->data);
int pos = -1;
char c;
while (++pos < len)
{
if (is_char_esc(token->esc, token->data, token->data + pos))
return (0);
c = token->data[pos];
if (!ft_isalnum(c) && c != '_' && c != '-')
return (0);
}
return (1);
}
int lexer_word(t_list **alst, t_lexer *lexer)
{
t_token *token;
t_lexstate state;
token = (*alst)->content;
token->type = TK_WORD;
if ((state = get_state_global(lexer))
|| (state = get_state_redir(lexer)))
{
lexer->state = state;
return (lexer_lex(alst, lexer));
}
if (lexer->str[lexer->pos] == '=' && word_is_assignment(token))
{
lexer->state = ASSIGNEMENT_WORD;
return (lexer_lex(alst, lexer));
}
token_append(token, lexer, 0, 0);
lexer->pos++;
return (lexer_lex(alst, lexer));
}
/*
int lexer_word(t_list **alst, t_lexer *lexer)
{
t_token *token;
t_lexstate state;
token = (*alst)->content;
token->type = TK_WORD;
if ((state = get_state_global(lexer)))
{
lexer->state = state;
return (lexer_lex(alst, lexer));
}
if ((state = get_state_redir(lexer)))
{
lexer->state = state;
return (lexer_lex(alst, lexer));
}
token_append(token, lexer, 0, 0);
lexer->pos++;
return (lexer_lex(alst, lexer));
}
*/