/*
Zz Dynamic Parser Library
Copyright (C) 1989 - I.N.F.N - S.Cabasino, P.S.Paolucci, G.M.Todesco
The Zz Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The Zz Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef RULE_DEFINED
#define RULE_DEFINED
#include "avl.h"
#include "zlex.h"
struct s_param_value {
char *name;
struct s_content value;
struct s_nt *nt;
};
struct s_bead {
struct s_content cnt;
char *name;
};
struct s_rule {
struct s_content cnt_prec;
struct s_content action,when_change_action,when_exit_scope;
int action_type,bead_n,bead_size;
struct s_tag *sproc_tag;
struct s_bead *beads;
int scope,kernel;
struct s_rule **table_backptr,*prev_rule,*next_rule;
int segment_id; /* serve per la scrittura con /write rules */
};
struct s_nt {
char *name;
const char *prompt;
struct s_dot *first_dot;
};
struct s_term_tran {
int count;
struct s_content term;
struct s_dot *next;
};
struct s_nt_tran {
int count;
struct s_nt *nt;
struct s_dot *next;
};
struct s_dot {
int id,rule_count;
struct s_nt *nt;
TREE *termtree,*nttree;
struct s_rule *rule;
char match_param,match_any;
long int set;
};
struct s_dot
*create_dot(),
*find_tran(),
*insert_tran()
;
struct s_nt
*find_nt();
void open_rule(char *);
void free_rule(void *, void *);
void init_rule();
struct s_rule *close_rule();
struct s_dot *find_nt_tran(),*find_term_tran();
#define MAX_RULE_LENGTH 30
#define ACT_T_NONE 0
#define ACT_T_EXECUTE_LIST 1
#define ACT_T_EXECUTE_PROC 2
#define ACT_T_EXECUTE_SPROC 3
#define ACT_T_RETURN 4
#define ACT_T_PASS 5
#define ACT_T_LIST 6
#define ACT_T_APPEND 7
#define ACT_T_MERGE_ALL 8
#define ACT_T_MERGE 9
#define ACT_T_RRETURN 10
#define ACT_T_ASSIGN 11
#endif