f57745e9d4
This PR improves the failure message produced by the `grind` tactic. We now include information about asserted facts, propositions that are known to be true and false, and equivalence classes.
30 lines
828 B
Text
30 lines
828 B
Text
/-
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Copyright (c) 2024 Amazon.com, Inc. or its affiliates. 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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prelude
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import Init.NotationExtra
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namespace Lean.Grind
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/-!
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This is a hackish module for hovering node information in the `grind` tactic state.
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-/
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inductive NodeDef where
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| unit
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set_option linter.unusedVariables false in
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def node_def (_ : Nat) {α : Sort u} {a : α} : NodeDef := .unit
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@[app_unexpander node_def]
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def nodeDefUnexpander : PrettyPrinter.Unexpander := fun stx => do
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match stx with
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| `($_ $id:num) => return mkIdent <| Name.mkSimple $ "#" ++ toString id.getNat
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| _ => throw ()
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@[app_unexpander NodeDef]
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def NodeDefUnexpander : PrettyPrinter.Unexpander := fun _ => do
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return mkIdent <| Name.mkSimple "NodeDef"
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end Lean.Grind
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