60 lines
2.1 KiB
C
60 lines
2.1 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_parse.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: ariard <ariard@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2017/03/11 16:17:38 by ariard #+# #+# */
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/* Updated: 2017/03/29 14:27:02 by ariard ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "minishell.h"
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static void insert_linebreak(t_list **lst)
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{
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t_token *token;
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token = (*lst)->content;
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token->type = LINEBREAK;
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}
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static int end_instruction(t_list **stack)
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{
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t_sym *head;
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head = (*stack)->content;
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if (*head == CMD_SUPERIOR || *head == PIPE_SEMI_SEQUENCE
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|| *head == COMPLETE_COMMANDS || *head == END_COMMAND)
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return (1);
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return (0);
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}
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int ft_parse(t_btree **ast, t_list **token, t_parser *parser)
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{
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t_sym *head;
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if (pop_heredoc(token))
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return (0);
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while (parser && token && *token)
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{
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produce_sym(&parser->stack, parser->new_sym, token);
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DG("produce sym %s", read_state(*parser->new_sym));
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if (parser->new_sym && eval_sym(&parser->stack, *parser->new_sym))
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return ((parser->state = ERROR));
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if (aggregate_sym(&parser->stack, parser->new_sym, &parser->state))
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return (0);
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push_stack(&parser->stack, *parser->new_sym);
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if (*(head = (parser->stack)->content) == PROGRAM)
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parser->state = SUCCESS;
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else
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parser->state = UNDEFINED;
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build_tree(ast, token);
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if ((end_instruction(&parser->stack) && !(*token)->next))
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insert_linebreak(token);
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else
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ft_lst_delif(token, (*token)->content, &ft_addrcmp, &token_free);
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}
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return (0);
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}
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