#include "heap.h"

void heap_init(heap_t* heap)
{
  assert(heap);

  heap->size = 0;
  heap->cap = 0;
  heap->data = NULL;
}

void heap_free(heap_t* heap)
{
  for (size_t i=0; i<heap->size; i++)
    {
      //value_free(heap->data[i]);
      //free(heap->data[i]);
    }

  free(heap->data);

  heap->size = 0;
  heap->cap = 0;
  heap->data = NULL;
}

size_t heap_alloc(heap_t* heap, value_t* value)
{
  assert(heap);

  if (heap->data == NULL)
    {
      heap->cap = 2;
      heap->data = malloc(sizeof(value_t*) * heap->cap);
    }

  if (heap->size >= heap->cap)
    {
      heap->cap *= 2;
      heap->data = realloc(heap->data, sizeof(value_t*) * heap->cap);
    }

  heap->data[heap->size] = value;
  heap->size++;

  return heap->size - 1;
}

value_t* heap_deref(heap_t* heap, size_t addr)
{
  assert(heap);
  assert(addr < heap->size);

  return heap->data[addr];
}