#ifndef BDL_CHUNK_H
#define BDL_CHUNK_H

#include "darray.h"
#include "string_view.h"

typedef struct Object Object;

typedef struct LineInfo {
    size_t line;
    size_t col;
} LineInfo;

typedef struct Chunk {
    // Program code.
    u8 *code;
    // Compile time constants.
    Object *constants;
    // Contains debugging information for every code operation.
    LineInfo *lines;
    // Chunk name.
    char *name;

    // Number of locals and parameters.
    size_t n_params;
    size_t n_locals;
} Chunk;

#define NEW_CHUNK(NAME) chunk_init((StringView){(NAME), sizeof(NAME) - 1})

Chunk * chunk_init(StringView name);
void add_code(Chunk *chunk, u8 byte, size_t line, size_t col);
size_t add_constant(Chunk *chunk, Object obj);
void chunk_free(Chunk *chunk);

#endif // BDL_CHUNK_H