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#ifndef AMAL_PROGRAM_H
#define AMAL_PROGRAM_H

#include "std/buffer.h"
#include "bytecode/bytecode.h"

#define AMAL_PROGRAM_OK 0
#define AMAL_PROGRAM_INVALID_HEADER -1
#define AMAL_PROGRAM_INVALID_MAGIC_NUMBER -2
#define AMAL_PROGRAM_INCOMPATIBLE -3
#define AMAL_PROGRAM_INVALID_INTERMEDIATES -4
#define AMAL_PROGRAM_INVALID_INTERMEDIATES_SIZE -5
#define AMAL_PROGRAM_INVALID_STRINGS -6
#define AMAL_PROGRAM_INVALID_STRINGS_SIZE -7
#define AMAL_PROGRAM_STRING_ALLOC_FAILURE -8
#define AMAL_PROGRAM_INVALID_INSTRUCTIONS_SIZE -9

#define AMAL_PROGRAM_MAGIC_NUMBER (u32)0xdec05eba
#define AMAL_PROGRAM_MAJOR_VERSION 1
#define AMAL_PROGRAM_MINOR_VERSION 0
#define AMAL_PROGRAM_PATCH_VERSION 0

typedef struct {
    Buffer/*<...>*/ data;
    Buffer/*<u32>*/ string_indices;
    char *intermediates_start;
    char *strings_start;
    usize read_index;
} amal_program;

CHECK_RESULT int amal_program_init(amal_program *self);
void amal_program_deinit(amal_program *self);

CHECK_RESULT int amal_program_append_bytecode(amal_program *self, Bytecode *bytecode);
CHECK_RESULT int amal_program_run(amal_program *self);
CHECK_RESULT int amal_program_save(amal_program *self, const char *filepath);

#endif