scoped_no_alloc.hpp

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#pragma once
 
namespace pulp::runtime {

class ScopedNoAlloc {
public:
    // The ctor/dtor symbols are ALWAYS defined out-of-line so the
    // ABI is identical whether Pulp was compiled with NDEBUG or not.
    // Previously the header was guarded with `#ifdef NDEBUG` and the
    // .cpp body was compiled out under NDEBUG, which broke any
    // mixed-mode link (Release SDK + Debug downstream plugin emitted
    // calls to symbols the Release archive didn't ship). The body of
    // each ctor/dtor is conditional on NDEBUG inside scoped_no_alloc.cpp
    // — the symbol exists in both modes but does nothing in Release.
    ScopedNoAlloc() noexcept;
    ~ScopedNoAlloc() noexcept;
 
    ScopedNoAlloc(const ScopedNoAlloc&) = delete;
    ScopedNoAlloc& operator=(const ScopedNoAlloc&) = delete;
    ScopedNoAlloc(ScopedNoAlloc&&) = delete;
    ScopedNoAlloc& operator=(ScopedNoAlloc&&) = delete;
};

class ScopedAllocAllowed {
public:
    ScopedAllocAllowed() noexcept;
    ~ScopedAllocAllowed() noexcept;
 
    ScopedAllocAllowed(const ScopedAllocAllowed&) = delete;
    ScopedAllocAllowed& operator=(const ScopedAllocAllowed&) = delete;
    ScopedAllocAllowed(ScopedAllocAllowed&&) = delete;
    ScopedAllocAllowed& operator=(ScopedAllocAllowed&&) = delete;
};

bool is_in_no_alloc_scope() noexcept;

int no_alloc_scope_depth() noexcept;

int no_alloc_allowed_depth() noexcept;
 
} // namespace pulp::runtime