#ifndef BF_EMULATOR_H_
#define BF_EMULATOR_H_

#include <inttypes.h>
#include <stdlib.h>

enum bf_step_result {
	BF_STEP_OK,
	BF_STEP_FINISHED,
	BF_STEP_ERROR,
};

struct bf_emulator {
	uint32_t data_pointer;

	void *data;
	uint32_t data_len;
	uint32_t cell_size;

	const char *program;
	size_t program_len;
	size_t program_pointer;
};

void bf_emulator_init(struct bf_emulator *emulator, uint32_t cell_size, uint32_t data_len);
void bf_emulator_deinit(struct bf_emulator *emulator);
enum bf_step_result bf_emulator_step(struct bf_emulator *emulator);
enum bf_step_result bf_emulator_continue(struct bf_emulator *emulator);
enum bf_step_result bf_emulator_run(struct bf_emulator *emulator, const char *program, size_t program_len);

#endif //BF_EMULATOR_H_