File: Content.h

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#pragma once
#include "Core/TObject.h"

namespace code {

	STORM_PKG(core.asm);

	class RefSource;

	/**
	 * Content. Provides a pointer and a size which can be referred to by RefSources, and by
	 * extension, References. Only one RefSource can refer to a Content object.
	 */
	class Content : public ObjectOn<Compiler> {
		STORM_CLASS;
	public:
		STORM_CTOR Content();

		// Set the address of this content.
		void set(const void *address, Nat size);

		// Get last address and size.
		virtual const void *address() const;
		virtual nat size() const;

		// Get the name of the owning RefSource (if any).
		MAYBE(Str *) STORM_FN ownerName() const;

		// Get the owner object, if any.
		MAYBE(RefSource *) STORM_FN owner() const;

		// Get the actual RefSource to use, in case the content of one RefSource was stolen by
		// another. Returns null most of the time.
		virtual MAYBE(RefSource *) stolenBy() const;

	private:
		friend class RefSource;

		// Last address and size.
		UNKNOWN(PTR_GC) const void *lastAddress;
		Nat lastSize;

		// Owning RefSource.
		MAYBE(RefSource *) cOwner;
	};

	/**
	 * Static content.
	 */
	class StaticContent : public Content {
		STORM_CLASS;
	public:
		StaticContent(const void *ptr);
	};

}