_anyref_class.hh

#ifndef WASMTIME_ANYREF_CLASS_HH
#define WASMTIME_ANYREF_CLASS_HH
 
#include <wasmtime/conf.h>
 
#ifdef WASMTIME_FEATURE_GC
 
#include <assert.h>
#include <wasmtime/_store_class.hh>
#include <wasmtime/anyref.h>
#include <wasmtime/helpers.hh>
#include <wasmtime/types/val.hh>
 
namespace wasmtime {
 
class ArrayRef;
class EqRef;
class StructRef;
 
class AnyRef {
  WASMTIME_TOP_REF_WRAPPER(AnyRef, wasmtime_anyref);
 
  static AnyRef i31(Store::Context cx, uint32_t value) {
    wasmtime_anyref_t other;
    wasmtime_anyref_from_i31(cx.capi(), value, &other);
    return AnyRef(other);
  }
 
  std::optional<uint32_t> u31(Store::Context cx) const {
    uint32_t ret = 0;
    if (wasmtime_anyref_i31_get_u(cx.capi(), &raw, &ret))
      return ret;
    return std::nullopt;
  }
 
  std::optional<int32_t> i31(Store::Context cx) const {
    int32_t ret = 0;
    if (wasmtime_anyref_i31_get_s(cx.capi(), &raw, &ret))
      return ret;
    return std::nullopt;
  }
 
  bool is_i31(Store::Context cx) const {
    return wasmtime_anyref_is_i31(cx.capi(), &raw);
  }
 
  bool is_eqref(Store::Context cx) const;
 
  bool is_struct(Store::Context cx) const;
 
  bool is_array(Store::Context cx) const;
 
  std::optional<EqRef> as_eqref(Store::Context cx) const;
 
  std::optional<StructRef> as_struct(Store::Context cx) const;
 
  std::optional<ArrayRef> as_array(Store::Context cx) const;
 
  HeapType ty(Store::Context cx) const {
    wasmtime_heaptype_t out;
    bool ok = wasmtime_anyref_type(cx.capi(), &raw, &out);
    assert(ok);
    return HeapType(out);
  }
};
 
} // namespace wasmtime
 
#endif // WASMTIME_FEATURE_GC
 
#endif // WASMTIME_ANYREF_CLASS_HH