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44 lines
1.6 KiB
44 lines
1.6 KiB
version 1 .
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embeddedType EntityRef.Cap .
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; Each Attenuation is a stage. The sequence of Attenuations is run RIGHT-TO-LEFT.
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; That is, the newest Attenuations are at the right.
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SturdyRef = <ref @oid any @caveatChain [Attenuation ...] @sig bytes>.
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; An individual Attenuation is run RIGHT-TO-LEFT.
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; That is, the newest Caveats are at the right.
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Attenuation = [Caveat ...].
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; embodies 1st-party caveats over assertion structure, but nothing else
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; can add 3rd-party caveats and richer predicates later
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Caveat = Rewrite / Alts .
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Rewrite = <rewrite @pattern Pattern @template Template>.
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Alts = <or @alternatives [Rewrite ...]>.
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Oid = int .
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WireRef = @mine [0 @oid Oid] / @yours [1 @oid Oid @attenuation Caveat ...].
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;---------------------------------------------------------------------------
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ConstructorSpec = CRec / CArr / CDict .
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CRec = <rec @label any @arity int>.
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CArr = <arr @arity int>.
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CDict = <dict>.
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Lit = <lit @value any>.
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Pattern = PDiscard / PAtom / PEmbedded / PBind / PAnd / PNot / Lit / PCompound .
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PDiscard = <_>.
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PAtom = =Boolean / =Float / =Double / =SignedInteger / =String / =ByteString / =Symbol .
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PEmbedded = =Embedded .
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PBind = <bind @pattern Pattern>.
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PAnd = <and @patterns [Pattern ...]>.
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PNot = <not @pattern Pattern>.
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PCompound = <compound @ctor ConstructorSpec @members PCompoundMembers>.
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PCompoundMembers = { any: Pattern ...:... }.
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Template = TAttenuate / TRef / Lit / TCompound .
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TAttenuate = <attenuate @template Template @attenuation Attenuation>.
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TRef = <ref @binding int>.
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TCompound = <compound @ctor ConstructorSpec @members TCompoundMembers>.
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TCompoundMembers = { any: Template ...:... }.
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