d8210cd682
This is a workaround to minimize the number of exported symbols in the Lean executable. See issues #466 and PR #515
28 lines
963 B
Text
28 lines
963 B
Text
/-
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Copyright (c) 2019 Microsoft Corporation. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Authors: Leonardo de Moura
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-/
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import Lean.Environment
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namespace Lean
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structure ClosedTermCache where
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map : Std.PHashMap Expr Name := {}
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constNames : NameSet := {}
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deriving Inhabited
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builtin_initialize closedTermCacheExt : EnvExtension ClosedTermCache ← registerEnvExtension (pure {})
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@[export lean_cache_closed_term_name]
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def cacheClosedTermName (env : Environment) (e : Expr) (n : Name) : Environment :=
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closedTermCacheExt.modifyState env fun s => { s with map := s.map.insert e n, constNames := s.constNames.insert n }
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@[export lean_get_closed_term_name]
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def getClosedTermName? (env : Environment) (e : Expr) : Option Name :=
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(closedTermCacheExt.getState env).map.find? e
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def isClosedTermName (env : Environment) (n : Name) : Bool :=
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(closedTermCacheExt.getState env).constNames.contains n
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end Lean
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