100 lines
3.4 KiB
Text
100 lines
3.4 KiB
Text
/-
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Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
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Released under Apache 2.0 license.
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Authors: Joseph Tooby-Smith
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-/
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import Batteries.Lean.HashSet
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import Lean
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import PhysLean.Meta.AllFilePaths
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import PhysLean.Meta.TransverseTactics
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/-!
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This file produces a list of places where `rfl` will complete the goal.
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## References
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The content of this file is based on the following sources (released under the Apache 2.0 license).
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- https://github.com/dwrensha/tryAtEachStep/blob/main/tryAtEachStep.lean
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- https://github.com/lean-dojo/LeanDojo/blob/main/src/lean_dojo/data_extraction/ExtractData.lean
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Modifications have been made to the original content of these files here.
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See also:
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- https://leanprover.zulipchat.com/#narrow/stream/270676-lean4/topic/Memory.20increase.20in.20loops.2E
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-/
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open Lean Elab System
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namespace Lean.Elab.TacticInfo
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def name? (t : TacticInfo) : Option Name :=
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match t.stx with
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| Syntax.node _ n _ => some n
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| _ => none
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/-- Decide whether a tactic is "substantive",
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or is merely a tactic combinator (e.g. `by`, `;`, multiline tactics, parenthesized tactics). -/
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def isSubstantive (t : TacticInfo) : Bool :=
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match t.name? with
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| none => false
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| some `null => false
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| some ``cdot => false
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| some ``cdotTk => false
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| some ``Lean.Parser.Tactic.inductionAlt => false
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| some ``Lean.Parser.Tactic.case => false
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| some ``Lean.Parser.Term.byTactic => false
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| some ``Lean.Parser.Tactic.tacticSeq => false
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| some ``Lean.Parser.Tactic.tacticSeq1Indented => false
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| some ``Lean.Parser.Tactic.«tactic_<;>_» => false
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| some ``Lean.Parser.Tactic.paren => false
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| some ``Lean.Parser.Tactic.exact => false
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| _ => true
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end Lean.Elab.TacticInfo
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def visitTacticInfo (file : FilePath) (ci : ContextInfo) (ti : TacticInfo) : MetaM Unit := do
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if not ti.isSubstantive then return ()
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let stx := ti.stx
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match stx.getHeadInfo? with
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| .some (.synthetic ..) =>
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-- Not actual concrete syntax the user wrote. Ignore.
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return ()
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| _ => pure ()
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let some sp := stx.getPos? | return ()
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let startPosition := ci.fileMap.toPosition sp
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let some ep := stx.getTailPos? | return ()
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let s := Substring.mk ci.fileMap.source sp ep
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for g in ti.goalsBefore do
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(← IO.getStdout).flush
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let mctx := ti.mctxBefore
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--let doprint : MetaM _ := Meta.ppGoal g
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--let x ← doprint.run' (s := { mctx := mctx })
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let dotac := Term.TermElabM.run (ctx := {declName? := ci.parentDecl?})
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<| Tactic.run g (Tactic.evalTactic (← `(tactic| rfl)))
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try
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let ((mvars, _tstate), _mstate) ← dotac.run {} { mctx := mctx }
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if mvars.length == 0 ∧ s.toString ≠ "rfl"
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then
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println! "./{file}:{startPosition.line}"
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pure ()
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catch _e =>
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pure ()
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pure ()
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/- See conversation here: https://leanprover.zulipchat.com/#narrow/stream/270676-lean4/topic/Memory.20increase.20in.20loops.2E -/
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unsafe def processAllFiles : IO Unit := do
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let files ← allFilePaths
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let tasks := files.map fun f =>
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((IO.asTask $ IO.Process.run
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{cmd := "lake", args := #["exe", "check_rfl", f.toString]}), f)
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tasks.toList.enum.forM fun (n, (t, path)) => do
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println! "{n} of {tasks.toList.length}: {path}"
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let tn ← IO.wait (← t)
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match tn with
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| .ok x => println! x
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| .error _ => println! "Error"
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unsafe def main (args : List String) : IO Unit := do
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match args with
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| [path] => transverseTactics path visitTacticInfo
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| _ => processAllFiles
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