89 lines
2.5 KiB
C
89 lines
2.5 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* main.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: gwojda <gwojda@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2017/03/20 14:45:40 by gwojda #+# #+# */
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/* Updated: 2017/03/23 00:28:58 by ariard ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "minishell.h"
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static int do_readline_routine(char **stream)
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{
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int ret;
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int has_prompt;
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t_data *data;
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data = data_singleton();
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has_prompt = !(get_lexer_stack(data->lexer)
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|| data->parser.state == UNDEFINED || data->lexer.state == HEREDOC);
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ret = readline(has_prompt, stream);
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if (ret == -1)
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exit(1);
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if (ret == 1 && data->parser.state == UNDEFINED)
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error_eof();
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return (ret);
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}
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static int handle_instruction(t_list **token, t_btree **ast)
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{
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int ret;
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char *stream;
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t_data *data;
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stream = NULL;
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data = data_singleton();
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while (1)
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{
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if ((ret = do_readline_routine(&stream)) > 0)
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return (ret);
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if (do_lexer_routine(token, stream) > 0)
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continue ;
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if ((ret = do_parser_routine(token, ast)) == 1
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&& SH_NO_INTERACTIVE(data->opts))
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return (ret);
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else if (ret > 0)
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break ;
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}
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if (data->parser.state == SUCCESS && ft_exec(ast) < 0)
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exit(1);
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else if (data->parser.state != SUCCESS)
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set_exitstatus(1, 1);
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if (SH_IS_INTERACTIVE(data->opts) && data->lexer.str)
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ft_add_str_in_history(data->lexer.str);
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return (0);
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}
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int main(int ac, char **av)
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{
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int ret;
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t_data *data;
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t_list *token;
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t_btree *ast;
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g_argv = av;
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DG("----------------");
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setlocale(LC_ALL, "");
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if (shell_init(ac, av) != 0)
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return (1);
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token = NULL;
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ast = NULL;
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data = data_singleton();
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while (1)
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{
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ret = handle_instruction(&token, &ast);
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lexer_destroy(&data->lexer);
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parser_destroy(&data->parser);
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ft_lstdel(&data_singleton()->exec.op_stack, &ft_lst_cfree);
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ft_lstdel(&token, &token_free);
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btree_del(&ast, &ast_free);
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if (ret == 1)
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break ;
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}
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builtin_exit(NULL, NULL, NULL);
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return (0);
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}
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