34 lines
2 KiB
Text
34 lines
2 KiB
Text
/-
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Copyright (c) 2020 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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import Lean.MonadEnv
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namespace Lean
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@[extern "lean_mk_cases_on"] constant mkCasesOnImp (env : Environment) (declName : @& Name) : Except KernelException Environment
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@[extern "lean_mk_rec_on"] constant mkRecOnImp (env : Environment) (declName : @& Name) : Except KernelException Environment
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@[extern "lean_mk_no_confusion"] constant mkNoConfusionImp (env : Environment) (declName : @& Name) : Except KernelException Environment
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@[extern "lean_mk_below"] constant mkBelowImp (env : Environment) (declName : @& Name) : Except KernelException Environment
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@[extern "lean_mk_ibelow"] constant mkIBelowImp (env : Environment) (declName : @& Name) : Except KernelException Environment
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@[extern "lean_mk_brec_on"] constant mkBRecOnImp (env : Environment) (declName : @& Name) : Except KernelException Environment
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@[extern "lean_mk_binduction_on"] constant mkBInductionOnImp (env : Environment) (declName : @& Name) : Except KernelException Environment
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variables {m} [Monad m] [MonadEnv m] [MonadError m] [MonadOptions m]
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@[inline] private def adaptFn (f : Environment → Name → Except KernelException Environment) (declName : Name) : m Unit := do
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match f (← getEnv) declName with
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| Except.ok env => modifyEnv fun _ => env
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| Except.error ex => throwKernelException ex
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def mkCasesOn (declName : Name) : m Unit := adaptFn mkCasesOnImp declName
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def mkRecOn (declName : Name) : m Unit := adaptFn mkRecOnImp declName
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def mkNoConfusion (declName : Name) : m Unit := adaptFn mkNoConfusionImp declName
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def mkBelow (declName : Name) : m Unit := adaptFn mkBelowImp declName
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def mkIBelow (declName : Name) : m Unit := adaptFn mkIBelowImp declName
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def mkBRecOn (declName : Name) : m Unit := adaptFn mkBRecOnImp declName
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def mkBInductionOn (declName : Name) : m Unit := adaptFn mkBInductionOnImp declName
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end Lean
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