88 lines
2.5 KiB
C
88 lines
2.5 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* build_tree.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: ariard <ariard@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2017/02/15 18:32:59 by ariard #+# #+# */
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/* Updated: 2017/03/13 14:37:11 by ariard ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "minishell.h"
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t_treematch g_treematch[] =
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{
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{TK_WORD, &add_cmd},
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{TK_PIPE, &add_sep},
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{TK_BANG, &add_cmd},
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{TK_SEMI, &add_sep},
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{TK_GREAT, &add_cmd},
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{TK_LESS, &add_cmd},
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{TK_GREATAND, &add_cmd},
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{TK_LESSAND, &add_cmd},
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{TK_DGREAT, &add_cmd},
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{TK_DLESS, &add_cmd},
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{TK_IO_NUMBER, &add_cmd},
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{TK_OR_IF, &add_sep},
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{TK_AND_IF, &add_sep},
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{TK_AMP, &add_sep},
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{TK_WHILE, &add_cmd},
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{TK_UNTIL, &add_cmd},
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{TK_DO, &add_cmd},
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{TK_DONE, &add_cmd},
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{TK_IF, &add_cmd},
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{TK_ELIF, &add_cmd},
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{TK_ELSE, &add_cmd},
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{TK_THEN, &add_cmd},
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{TK_FI, &add_cmd},
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{TK_NEWLINE, &add_sep},
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{TK_CASE, &add_cmd},
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{TK_ESAC, &add_cmd},
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{TK_IN, &add_cmd},
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{TK_DSEMI, &add_cmd},
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{TK_PAREN_OPEN, &add_cmd},
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{TK_PAREN_CLOSE, &add_cmd},
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{TK_FOR, &add_cmd},
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{TK_NAME, &add_cmd},
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{TK_ASSIGNEMENT_WORD, &add_cmd},
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{SUBSHELL, &add_cmd},
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{TK_LBRACE, &add_cmd},
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{TK_RBRACE, &add_cmd},
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{CLOSE_LIST, &add_cmd},
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{0, NULL},
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};
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static int isseparator(t_token *token, int cache)
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{
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if (token->type == TK_NEWLINE && (cache == TK_WHILE || cache == TK_DO
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|| cache == TK_NEWLINE || cache == TK_THEN || cache == TK_IN
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|| cache == TK_DSEMI))
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return (0);
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return (1);
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}
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int build_tree(t_btree **ast, t_list **lst)
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{
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int i;
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static int cache;
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t_token *token;
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i = 0;
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token = (*lst)->content;
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if (token->type == TK_PAREN_OPEN && cache != TK_IN && cache != TK_DSEMI
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&& cache != TK_WORD)
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token->type = SUBSHELL;
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while (g_treematch[i].type)
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{
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if ((isseparator(token, cache) && g_treematch[i].type == token->type))
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{
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DG("build %s", read_state(g_treematch[i].type));
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cache = token->type;
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return (g_treematch[i].add(ast, lst));
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}
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i++;
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}
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return (0);
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}
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