#ifndef VM_H
#define VM_H

#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
typedef enum {
    OpType_Nop,
    OpType_PushNull,
    OpType_PushInt,
    OpType_PushBool,
    OpType_PushPtr,
    OpType_Pop,
    OpType_LoadLocal,
    OpType_StoreLocal,
    OpType_Jump,
    OpType_JumpIf,
    OpType_Load,
    OpType_Store,
    OpType_Call,
    OpType_Return,
    OpType_And,
    OpType_Or,
    OpType_EE,
    OpType_NE,
    OpType_LT,
    OpType_GT,
    OpType_LTE,
    OpType_GTE,
    OpType_Add,
    OpType_Subtract,
    OpType_Multiply,
    OpType_Not,
    OpType_Negate,
} OpType;

typedef uint32_t Op;

typedef enum {
    ValueType_Null,
    ValueType_Int,
    ValueType_Bool,
    ValueType_Ptr,
} ValueType;

typedef struct Value Value;

struct Value {
    ValueType type;
    union {
        int int_value;
        bool bool_value;
        void* ptr_value;
    };
};

typedef struct {
    const Op* program;
    size_t program_size;
    size_t pc;
    Value* stack;
    size_t stack_size;
    size_t sp;
    size_t bp;
} VM;

void vm_construct(
    VM* vm, const Op* program, size_t program_size, size_t stack_size);

#endif