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-rw-r--r--stdlib/source/lux/control/security/policy.lux92
1 files changed, 0 insertions, 92 deletions
diff --git a/stdlib/source/lux/control/security/policy.lux b/stdlib/source/lux/control/security/policy.lux
deleted file mode 100644
index 1d3c0e43e..000000000
--- a/stdlib/source/lux/control/security/policy.lux
+++ /dev/null
@@ -1,92 +0,0 @@
-(.module:
- [lux #*
- [abstract
- [functor (#+ Functor)]
- [apply (#+ Apply)]
- [monad (#+ Monad)]]
- [type
- abstract]])
-
-(abstract: #export (Policy brand value label)
- value
-
- (type: #export (Can_Upgrade brand label value)
- {#.doc (doc "Represents the capacity to 'upgrade' a value.")}
- (-> value (Policy brand value label)))
-
- (type: #export (Can_Downgrade brand label value)
- {#.doc (doc "Represents the capacity to 'downgrade' a value.")}
- (-> (Policy brand value label) value))
-
- (type: #export (Privilege brand label)
- {#.doc (doc "Represents the privilege to both 'upgrade' and 'downgrade' a value.")}
- {#can_upgrade (Can_Upgrade brand label)
- #can_downgrade (Can_Downgrade brand label)})
-
- (def: privilege
- Privilege
- {#can_upgrade (|>> :abstraction)
- #can_downgrade (|>> :representation)})
-
- (type: #export (Delegation brand from to)
- {#.doc (doc "Represents the act of delegating policy capacities.")}
- (All [value]
- (-> (Policy brand value from)
- (Policy brand value to))))
-
- (def: #export (delegation downgrade upgrade)
- {#.doc (doc "Delegating policy capacities.")}
- (All [brand from to]
- (-> (Can_Downgrade brand from) (Can_Upgrade brand to)
- (Delegation brand from to)))
- (|>> downgrade upgrade))
-
- (type: #export (Context brand scope label)
- {#.doc (doc "A computational context with an associated policy privilege.")}
- (-> (Privilege brand label)
- (scope label)))
-
- (def: #export (with_policy context)
- (All [brand scope]
- (Ex [label]
- (-> (Context brand scope label)
- (scope label))))
- (context ..privilege))
-
- (def: (decorate constructor)
- (-> Type Type)
- (type (All [brand label] (constructor (All [value] (Policy brand value label))))))
-
- (implementation: #export functor
- (:~ (decorate Functor))
-
- (def: (map f fa)
- (|> fa :representation f :abstraction)))
-
- (implementation: #export apply
- (:~ (decorate Apply))
-
- (def: &functor ..functor)
- (def: (apply ff fa)
- (:abstraction ((:representation ff) (:representation fa)))))
-
- (implementation: #export monad
- (:~ (decorate Monad))
-
- (def: &functor ..functor)
- (def: wrap (|>> :abstraction))
- (def: join (|>> :representation)))
- )
-
-(template [<brand> <value> <upgrade> <downgrade>]
- [(abstract: #export <brand>
- Any
-
- (type: #export <value> (Policy <brand>))
- (type: #export <upgrade> (Can_Upgrade <brand>))
- (type: #export <downgrade> (Can_Downgrade <brand>))
- )]
-
- [Privacy Private Can_Conceal Can_Reveal]
- [Safety Safe Can_Trust Can_Distrust]
- )