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object.h

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#pragma once

#include "../gc.h"

#include "../hashmap.h"

#include "../value.h"

#include "class.h"

#include "string.h"

struct Value;

struct Object {

GcObject obj;

// in case of a gc, the gc ensures that the class

// is garbage collected after the object, so we can

// safely access its numSlots in all cases without

// storing it explicitly

// gc functions

void mark() {

const Class *c = obj.getClass();

for(int i = 0; i < c->numSlots; i++) {

Gc::mark(slots(i));

}

}

inline Value *slots() const { return (Value *)(this + 1); }

inline Value &slots(int idx) const {

Value *v = (Value *)(this + 1);

return v[idx];

}

// we don't need to free anything here

void release() {}

#ifdef DEBUG_GC

void depend() { Gc::depend(obj.getClass()); }

const String *gc_repr() { return obj.getClass()->name; }

#endif

};