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#ifndef TSL_PROGRAM_H
#define TSL_PROGRAM_H

#include "std/buffer.h"
#include "std_gc/hash_map.h"
#include "string_view.h"
#include "value.h"

typedef enum {
    TSL_STACK_VALUE_TYPE_NUMBER,
    TSL_STACK_VALUE_TYPE_BOOL,
    TSL_STACK_VALUE_TYPE_STRING,
    TSL_STACK_VALUE_TYPE_NULL,
    TSL_STACK_VALUE_TYPE_FUNCTION,
    TSL_STACK_VALUE_TYPE_VARIABLE_NAME,
    TSL_STACK_VALUE_TYPE_VARIABLE,
    TSL_STACK_VALUE_TYPE_LIST,
    TSL_STACK_VALUE_TYPE_MAP,
    TSL_STACK_VALUE_TYPE_INDEX,
    TSL_STACK_VALUE_TYPE_COMMAND_ARG
} TslStackValueType;

typedef struct {
    union {
        int integer;
        double number;
        TslBool boolean;
        TslStringView str;
        TslValue variable;
    } data;
    TslStackValueType type;
} TslStackValue;

typedef struct {
    TslBuffer /*TslBytecode*/ function_bytecode_list;
    /* Allocated with GC and is the root object of the program. When this is deallocated, the whole program is deallocated */
    TslHashMap /*TslStringView, TslValue*/ *variables;
    TslBuffer /*TslStackValue*/ stack_values;
} TslProgram;

typedef enum {
    TSL_PROGRAM_RESULT_ERR,
    TSL_PROGRAM_RESULT_OK
} TslProgramResult;

void tsl_program_init(TslProgram *self);
void tsl_program_deinit(TslProgram *self);

TslProgramResult tsl_program_run(TslProgram *self);

#endif /* TSL_PROGRAM_H */