42-archive/42sh/src/parser/add_loop.c
ariard@student.42.fr 6609e3b8d9 while one nest ok
2017-02-18 20:10:42 +01:00

78 lines
2.1 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* add_loop.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: ariard <ariard@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/02/17 22:17:14 by ariard #+# #+# */
/* Updated: 2017/02/18 20:10:08 by ariard ### ########.fr */
/* */
/* ************************************************************************** */
#include "parser.h"
int isloop(t_btree **ast)
{
t_astnode *node;
node = NULL;
if (*ast)
{
node = (*ast)->item;
DG("TEST LOOP");
if (node->type == TK_WHILE && node->full == 1)
{
DG("DON ENTER");
return (2);
}
if (node->type == TK_WHILE && node->full == 0)
{
DG(" NOFULL");
return (1);
}
}
return (0);
}
int add_loop_cmd(t_btree **ast, t_list **lst)
{
t_token *token;
t_astnode *node;
token = (*lst)->content;
node = (*ast)->item;
DG("add loop cmd");
if (token->type == TK_WHILE && node->type == TK_WHILE)
{
DG("nest one more");
node->nest++;
}
if (token->type == TK_DONE && node->type == TK_WHILE && node->nest > 0)
{
node->nest--;
DG("nest one less");
}
else if (token->type == TK_DONE && node->type == TK_WHILE
&& node->nest == 0)
{
DG("WHILE FULL");
return ((node->full = 1));
}
if (token->type == TK_DO)
return (add_cmd(&(*ast)->right, lst));
else if (!(*ast)->right && isloop(&(*ast)->left) != 2)
return (add_cmd(&(*ast)->left, lst));
else
return (add_cmd(&(*ast)->right, lst));
return (0);
}
int add_loop_sep(t_btree **ast, t_list **lst)
{
if (!(*ast)->right)
return (add_sep(&(*ast)->left, lst));
else
return (add_sep(&(*ast)->right, lst));
return (0);
}