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/* argot - Gray's Extensible Configuration System -*- c -*-
Copyright (C) 2007-2016 Sergey Poznyakoff
Grecs is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3 of the License, or (at your
option) any later version.
Grecs 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 General Public License for more details.
You should have received a copy of the GNU General Public License along
with Grecs. If not, see <http://www.gnu.org/licenses/>. */
#ifndef _ARGOT_NODE_H
#define _ARGOT_NODE_H
#include <argot/locus.h>
#include <argot/symtab.h>
#include <argot/value.h>
enum argot_node_type {
argot_node_root,
argot_node_stmt,
argot_node_block
};
typedef struct argot_node {
enum argot_node_type type;
argot_locus_t locus;
struct argot_node *up;
struct argot_node *down;
struct argot_node *next;
struct argot_node *prev;
char *ident;
argot_locus_t idloc;
union {
argot_value_t *value;
argot_symtab_ptr_t texttab;
} v;
} argot_node_t;
void argot_node_free(struct argot_node *node);
struct argot_node *argot_node_create(enum argot_node_type type,
argot_locus_t *loc);
struct argot_node *argot_node_create_points(enum argot_node_type type,
struct argot_locus_point beg,
struct argot_locus_point end);
void argot_node_bind(struct argot_node *master, struct argot_node *node,
int dn);
int argot_node_eq(struct argot_node *a, struct argot_node *b);
int argot_node_unlink(struct argot_node *node);
struct argot_node *argot_node_from_path(const char *path, const char *value);
struct argot_node *argot_node_from_path_locus(const char *path,
const char *value,
argot_locus_t *locus,
argot_locus_t *vallocus);
#endif
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