67 lines
1.9 KiB
C
67 lines
1.9 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: 2017/02/20 18:53:00 by ariard ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "parser.h"
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t_treematch g_treematch[] =
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{
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{TK_N_WORD, &add_cmd},
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{TK_PIPE, &add_sep},
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{TK_SEMI, &add_sep},
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{TK_GREAT, &add_sep},
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{TK_LESS, &add_sep},
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{TK_OR_IF, &add_sep},
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{TK_AND_IF, &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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{0, NULL},
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};
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static int isseparator(int type, int cache)
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{
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if (type == TK_NEWLINE && (cache == TK_WHILE || cache == TK_DO
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|| cache == TK_NEWLINE || cache == TK_THEN))
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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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while (g_treematch[i].type)
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{
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if (g_treematch[i].type == token->type
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&& isseparator(token->type, cache))
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{
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DG("func TK : '%s' TK : '%s'",
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read_state(g_treematch[i].type) ,read_state(token->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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