#ifndef clox_vm_h
#define clox_vm_h

#include "chunk.h"
#include "table.h"
#include "value.h"

#define STACK_MAX 256

typedef struct {
  Chunk* chunk;
  uint8_t* ip;
  int sp;
  int capacity;
  Value* stack;
  Obj* objects;
  Table strings;
  Table globals;
} VM;

typedef enum {
  INTERPRET_OK, INTERPRET_COMPILE_ERROR, INTERPRET_RUNTIME_ERROR
} InterpretResult;

extern VM vm;

void initVM();
void freeVM();
InterpretResult interpret(const char* source, bool repl);
void push(Value value);
Value pop();

#endif