38 lines
1.4 KiB
Text
38 lines
1.4 KiB
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.Meta.Instances
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namespace Lean.Meta
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private def getDefInfo (info : ConstantInfo) : MetaM (Option ConstantInfo) := do
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match (← read).config.transparency with
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| TransparencyMode.all => return some info
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| TransparencyMode.default => return some info
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| m =>
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if (← isReducible info.name) then
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return some info
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else if m == TransparencyMode.instances && isGlobalInstance (← getEnv) info.name then
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return some info
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else
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return none
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def getConst? (constName : Name) : MetaM (Option ConstantInfo) := do
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let env ← getEnv
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match env.find? constName with
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| some (info@(ConstantInfo.thmInfo _)) => getTheoremInfo info
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| some (info@(ConstantInfo.defnInfo _)) => getDefInfo info
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| some info => pure (some info)
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| none => throwUnknownConstant constName
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def getConstNoEx? (constName : Name) : MetaM (Option ConstantInfo) := do
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let env ← getEnv
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match env.find? constName with
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| some (info@(ConstantInfo.thmInfo _)) => getTheoremInfo info
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| some (info@(ConstantInfo.defnInfo _)) => getDefInfo info
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| some info => pure (some info)
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| none => pure none
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end Meta
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