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https://github.com/Aurorastation/Aurora.3.git
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216039eb2e
Ports a new type of reference from bay: weakrefs. They validate type like hard-refs, but don't block GC like soft-refs. Performance-wise are worse than both, but generally more convenient than softrefs.
32 lines
624 B
Plaintext
32 lines
624 B
Plaintext
/datum
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var/datum/weakref/weakref
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/datum/weakref
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var/ref
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#if DM_VERSION < 511
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// Don't use this directly, use the WEAKREF macro.
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/proc/_weakref(datum/D)
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if(!istype(D) || QDELETED(D))
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return
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if(!D.weakref)
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D.weakref = new(D)
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return D.weakref
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#endif
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/datum/weakref/New(datum/D)
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ref = SOFTREF(D)
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/datum/weakref/Destroy(force = 0)
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crash_with("Some fuck is trying to [force ? "force-" : ""]delete a weakref!")
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if (!force)
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return QDEL_HINT_LETMELIVE // feck off
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return ..()
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/datum/weakref/proc/resolve()
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var/datum/D = locate(ref)
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if (!QDELETED(D) && D.weakref == src)
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. = D
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