20 lines
629 B
Text
20 lines
629 B
Text
/-
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Copyright (c) 2022 Sebastian Ullrich. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Authors: Sebastian Ullrich
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-/
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prelude
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import Lean.Meta.Eval
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import Lean.Elab.SyntheticMVars
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namespace Lean.Elab.Term
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open Meta
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unsafe def evalTerm (α) (type : Expr) (value : Syntax) (safety := DefinitionSafety.safe) : TermElabM α := withoutModifyingEnv do
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let v ← elabTermEnsuringType value type
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synthesizeSyntheticMVarsNoPostponing
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let v ← instantiateMVars v
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if (← logUnassignedUsingErrorInfos (← getMVars v)) then throwAbortTerm
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evalExpr α type v safety
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end Lean.Elab.Term
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