Pantograph/Pantograph/Compile.lean

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/- Adapted from lean-training-data by semorrison -/
import Pantograph.Protocol
import Pantograph.Compile.Frontend
import Pantograph.Compile.Elab
open Lean
namespace Pantograph.Compile
def collectTacticsFromCompilation (steps : List CompilationStep) : IO (List Protocol.InvokedTactic) := do
let infoTrees := steps.bind (·.trees)
let tacticInfoTrees := infoTrees.bind λ tree => tree.filter λ
| info@(.ofTacticInfo _) => info.isOriginal
| _ => false
let tactics := tacticInfoTrees.bind collectTactics
tactics.mapM λ invocation => do
let goalBefore := (Format.joinSep (← invocation.goalState) "\n").pretty
let goalAfter := (Format.joinSep (← invocation.goalStateAfter) "\n").pretty
let tactic ← invocation.ctx.runMetaM {} do
let t ← Lean.PrettyPrinter.ppTactic ⟨invocation.info.stx⟩
return t.pretty
return { goalBefore, goalAfter, tactic }
end Pantograph.Compile