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/*
* Copyright 2005-2022 Gentoo Foundation
* Distributed under the terms of the GNU General Public License v2
*/
#ifndef _DEP_H
#define _DEP_H 1
#include "atom.h"
#include "colors.h"
#include "set.h"
#include "tree.h"
#include "xarray.h"
typedef enum {
DEP_NULL = 0,
DEP_NORM = 1,
DEP_USE = 2,
DEP_OR = 3,
DEP_GROUP = 4
} dep_type;
static const char * const _dep_names[] = {
"NULL",
"NORM",
"USE",
"OR",
"GROUP"
};
struct _dep_node {
dep_type type;
char *info;
char atom_resolved:1;
depend_atom *atom;
struct _dep_node *parent;
struct _dep_node *neighbor;
struct _dep_node *children;
};
typedef struct _dep_node dep_node;
/* prototypes */
#ifdef NDEBUG
# define dep_dump_tree(r)
#else
# define dep_dump_tree(r) dep_print_tree(stdout, r, 0, NULL, NORM, 0)
#endif
dep_node *dep_grow_tree(const char *depend);
void dep_print_tree(FILE *fp, const dep_node *root, size_t space, array_t *m, const char *c, int verbose);
void dep_resolve_tree(dep_node *root, tree_ctx *t);
void dep_burn_tree(dep_node *root);
void dep_prune_use(dep_node *root, set *use);
void dep_flatten_tree(const dep_node *root, array_t *out);
#endif
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