feat: Prograde tactics #83

Merged
aniva merged 24 commits from tactic/eval into dev 2024-08-31 20:04:39 -07:00
7 changed files with 58 additions and 3 deletions
Showing only changes of commit e282d9f781 - Show all commits

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@ -548,6 +548,6 @@ protected def GoalState.tryEval (state: GoalState) (goalId: Nat) (binderName: Na
(fileName := filename) with
| .ok syn => pure syn
| .error error => return .parseError error
state.execute goalId (tacticM := Tactic.tacticEval binderName expr)
state.execute goalId (tacticM := Tactic.evaluate binderName expr)
end Pantograph

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@ -202,7 +202,7 @@ def serializeExpression (options: @&Protocol.Options) (e: Expr): MetaM Protocol.
}
/-- Adapted from ppGoal -/
def serializeGoal (options: @&Protocol.Options) (goal: MVarId) (mvarDecl: MetavarDecl) (parentDecl?: Option MetavarDecl)
def serializeGoal (options: @&Protocol.Options) (goal: MVarId) (mvarDecl: MetavarDecl) (parentDecl?: Option MetavarDecl := .none)
: MetaM Protocol.Goal := do
-- Options for printing; See Meta.ppGoal for details
let showLetValues := true

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@ -5,7 +5,7 @@ open Lean
namespace Pantograph.Tactic
def tacticEval (binderName: Name) (expr: Syntax): Elab.Tactic.TacticM Unit := do
def evaluate (binderName: Name) (expr: Syntax): Elab.Tactic.TacticM Unit := do
let goal ← Elab.Tactic.getMainGoal
let nextGoals ← goal.withContext do
let expr ← Elab.Term.elabTerm (stx := expr) (expectedType? := .none)

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@ -8,6 +8,17 @@ open Lean
namespace Pantograph
deriving instance Repr for Expr
-- Use strict equality check for expressions
--instance : BEq Expr := ⟨Expr.equal⟩
instance (priority := 80) (x y : Expr) : LSpec.Testable (x.equal y) :=
if h : Expr.equal x y then
.isTrue h
else
.isFalse h $ s!"Expected to be equalaaa: '{x.dbgToString}' and '{y.dbgToString}'"
def uniq (n: Nat): Name := .num (.str .anonymous "_uniq") n
-- Auxiliary functions
namespace Protocol
def Goal.devolatilizeVars (goal: Goal): Goal :=

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@ -52,6 +52,7 @@ def main (args: List String) := do
("Tactic/Congruence", Tactic.Congruence.suite env_default),
("Tactic/Motivated Apply", Tactic.MotivatedApply.suite env_default),
("Tactic/No Confuse", Tactic.NoConfuse.suite env_default),
("Tactic/Prograde", Tactic.Prograde.suite env_default),
]
let tests: List (String × IO LSpec.TestSeq) := suites.foldl (λ acc (name, suite) => acc ++ (addPrefix name suite)) []
LSpec.lspecIO (← runTestGroup name_filter tests)

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@ -1,3 +1,4 @@
import Test.Tactic.Congruence
import Test.Tactic.MotivatedApply
import Test.Tactic.NoConfuse
import Test.Tactic.Prograde

42
Test/Tactic/Prograde.lean Normal file
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@ -0,0 +1,42 @@
import LSpec
import Lean
import Test.Common
open Lean
open Pantograph
namespace Pantograph.Test.Tactic.Prograde
def test_eval (env: Environment): IO LSpec.TestSeq :=
let expr := "forall (p q : Prop) (h: p), And (Or p q) (Or p q)"
runMetaMSeq env do
let expr ← parseSentence expr
Meta.forallTelescope expr $ λ _ body => do
let e ← match Parser.runParserCategory
(env := ← MonadEnv.getEnv)
(catName := `term)
(input := "Or.inl h")
(fileName := filename) with
| .ok syn => pure syn
| .error error => throwError "Failed to parse: {error}"
let mut tests := LSpec.TestSeq.done
-- Apply the tactic
let goal ← Meta.mkFreshExprSyntheticOpaqueMVar body
let target: Expr := mkAnd
(mkOr (.fvar ⟨uniq 8⟩) (.fvar ⟨uniq 9⟩))
(mkOr (.fvar ⟨uniq 8⟩) (.fvar ⟨uniq 9⟩))
let test := LSpec.test "goals before" ((← goal.mvarId!.getType) == target)
tests := tests ++ test
let tactic := Tactic.evaluate `h2 e
let test ← runTermElabMInMeta do
let newGoals ← runTacticOnMVar tactic goal.mvarId!
pure $ LSpec.test "goals after" ((← newGoals.head!.getType) == target)
tests := tests ++ test
return tests
def suite (env: Environment): List (String × IO LSpec.TestSeq) :=
[
("eval", test_eval env),
]
end Pantograph.Test.Tactic.Prograde