_exnref_class.hh

#ifndef WASMTIME_EXNREF_CLASS_HH
#define WASMTIME_EXNREF_CLASS_HH
 
#include <wasmtime/conf.h>
 
#ifdef WASMTIME_FEATURE_GC
 
#include <vector>
#include <wasmtime/_store_class.hh>
#include <wasmtime/error.hh>
#include <wasmtime/exnref.h>
#include <wasmtime/helpers.hh>
#include <wasmtime/tag.hh>
 
namespace wasmtime {
 
class Val;
 
class ExnRef {
  WASMTIME_TOP_REF_WRAPPER(ExnRef, wasmtime_exnref);
 
  static Result<ExnRef> create(Store::Context cx, const Tag &tag,
                               const std::vector<Val> &fields);
 
  Result<Tag> tag(Store::Context cx) const {
    wasmtime_tag_t tag;
    auto *error = wasmtime_exnref_tag(cx.capi(), &raw, &tag);
    if (error != nullptr) {
      return Error(error);
    }
    return Tag(tag);
  }
 
  size_t field_count(Store::Context cx) const {
    return wasmtime_exnref_field_count(cx.capi(), &raw);
  }
 
  Result<Val> field(Store::Context cx, size_t index) const;
};
 
} // namespace wasmtime
 
#endif // WASMTIME_FEATURE_GC
 
#endif // WASMTIME_EXNREF_CLASS_HH