src/dawn/common/StackAllocated.h

// Copyright 2024 The Dawn & Tint Authors
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#ifndef SRC_DAWN_COMMON_STACKALLOCATED_H_
#define SRC_DAWN_COMMON_STACKALLOCATED_H_

#include <cstddef>

namespace dawn {

// If a class depends on the StackAllocated base class, then instances may not be allocated on the
// heap.
//
// This is similar to chromium's STACK_ALLOCATED() macro.
//
// TODO(crbug.com/338381306) Consider checking StackAllocated classes are only member of
// StackAllocated classes. This can be implemented by adding `IsStackAllocatedTypeMarker`, and
// enable the 'check-stack-allocated' clang plugin option.
class StackAllocated {
  private:
    void* operator new(size_t) = delete;
    void* operator new(size_t, void*) = delete;
};

}  // namespace dawn

#endif  // SRC_DAWN_COMMON_STACKALLOCATED_H_