// This is a copy of the `ccadical.h` file of CaDiCaL, included to enable
// building the crate without network access, mainly on docs.rs

#ifndef _ccadical_h_INCLUDED
#define _ccadical_h_INCLUDED

/*------------------------------------------------------------------------*/
#ifdef __cplusplus
extern "C" {
#endif
/*------------------------------------------------------------------------*/

#include <stdint.h>
#include <stdio.h>

// C wrapper for CaDiCaL's C++ API following IPASIR.

typedef struct CCaDiCaL CCaDiCaL;

const char *ccadical_signature(void);
CCaDiCaL *ccadical_init(void);
void ccadical_release(CCaDiCaL *);

void ccadical_add(CCaDiCaL *, int lit);
void ccadical_assume(CCaDiCaL *, int lit);
int ccadical_solve(CCaDiCaL *);
int ccadical_val(CCaDiCaL *, int lit);
int ccadical_failed(CCaDiCaL *, int lit);

void ccadical_set_terminate(CCaDiCaL *, void *state,
                            int (*terminate)(void *state));

void ccadical_set_learn(CCaDiCaL *, void *state, int max_length,
                        void (*learn)(void *state, int *clause));

/*------------------------------------------------------------------------*/

// Non-IPASIR conformant 'C' functions.

void ccadical_constrain(CCaDiCaL *, int lit);
int ccadical_constraint_failed(CCaDiCaL *);
void ccadical_set_option(CCaDiCaL *, const char *name, int val);
void ccadical_limit(CCaDiCaL *, const char *name, int limit);
int ccadical_get_option(CCaDiCaL *, const char *name);
void ccadical_print_statistics(CCaDiCaL *);
int64_t ccadical_active(CCaDiCaL *);
int64_t ccadical_irredundant(CCaDiCaL *);
int ccadical_fixed(CCaDiCaL *, int lit);
int ccadical_trace_proof(CCaDiCaL *, FILE *, const char *);
void ccadical_close_proof(CCaDiCaL *);
void ccadical_conclude(CCaDiCaL *);
void ccadical_terminate(CCaDiCaL *);
void ccadical_freeze(CCaDiCaL *, int lit);
int ccadical_frozen(CCaDiCaL *, int lit);
void ccadical_melt(CCaDiCaL *, int lit);
int ccadical_simplify(CCaDiCaL *);

/*------------------------------------------------------------------------*/

// Support legacy names used before moving to more IPASIR conforming names.

#define ccadical_reset ccadical_release
#define ccadical_sat ccadical_solve
#define ccadical_deref ccadical_val

/*------------------------------------------------------------------------*/
#ifdef __cplusplus
}
#endif
/*------------------------------------------------------------------------*/

#endif