diff --git a/Pantograph.lean b/Pantograph.lean index 35ab117..5e96a5e 100644 --- a/Pantograph.lean +++ b/Pantograph.lean @@ -164,7 +164,7 @@ def execute (command: Protocol.Command): MainM Lean.Json := do | .some branchId, .none => do match state.goalStates.find? branchId with | .none => return .error $ errorIndex s!"Invalid state index {branchId}" - | .some branch => pure $ goalContinue target branch + | .some branch => pure $ target.continue branch | .none, .some goals => pure $ goalResume target goals | _, _ => return .error <| errorI "arguments" "Exactly one of {branch, goals} must be supplied" diff --git a/Pantograph/Goal.lean b/Pantograph/Goal.lean index d92a807..408ada1 100644 --- a/Pantograph/Goal.lean +++ b/Pantograph/Goal.lean @@ -39,15 +39,15 @@ protected def GoalState.create (expr: Expr): Elab.TermElabM GoalState := do --Elab.Term.synthesizeSyntheticMVarsNoPostponing --let expr ← instantiateMVars expr - let goal ← Meta.mkFreshExprMVar expr (kind := MetavarKind.synthetic) (userName := .anonymous) + let root ← Meta.mkFreshExprMVar expr (kind := MetavarKind.synthetic) (userName := .anonymous) let savedStateMonad: Elab.Tactic.TacticM Elab.Tactic.SavedState := MonadBacktrack.saveState - let root := goal.mvarId! - let savedState ← savedStateMonad { elaborator := .anonymous } |>.run' { goals := [root]} + let savedState ← savedStateMonad { elaborator := .anonymous } |>.run' { goals := [root.mvarId!]} return { - root, + root := root.mvarId!, savedState, parentMVar? := .none, } +@[export pantograph_goal_state_is_conv] protected def GoalState.isConv (state: GoalState): Bool := state.convMVar?.isSome protected def GoalState.goals (state: GoalState): List MVarId := @@ -56,6 +56,7 @@ protected def GoalState.goals (state: GoalState): List MVarId := protected def GoalState.goalsArray (state: GoalState): Array MVarId := state.goals.toArray protected def GoalState.mctx (state: GoalState): MetavarContext := state.savedState.term.meta.meta.mctx +@[export pantograph_goal_state_env] protected def GoalState.env (state: GoalState): Environment := state.savedState.term.meta.core.env @@ -85,7 +86,7 @@ private def GoalState.restoreTacticM (state: GoalState) (goal: MVarId): Elab.Tac state.savedState.restore Elab.Tactic.setGoals [goal] - +@[export pantograph_goal_state_focus] protected def GoalState.focus (state: GoalState) (goalId: Nat): Option GoalState := do let goal ← state.savedState.tactic.goals.get? goalId return { @@ -121,6 +122,7 @@ protected def GoalState.resume (state: GoalState) (goals: List MVarId): Except S /-- Brings into scope all goals from `branch` -/ +@[export pantograph_goal_state_continue] protected def GoalState.continue (target: GoalState) (branch: GoalState): Except String GoalState := if !target.goals.isEmpty then .error s!"Target state has unresolved goals" diff --git a/Pantograph/Library.lean b/Pantograph/Library.lean index c4ce4ff..2fd1972 100644 --- a/Pantograph/Library.lean +++ b/Pantograph/Library.lean @@ -134,10 +134,6 @@ def goalStartExpr (expr: String) (levels: Array String): CoreM (Protocol.CR Goal def goalResume (target: GoalState) (goals: Array String): Except String GoalState := target.resume (goals.map (λ n => { name := n.toName }) |>.toList) -@[export pantograph_goal_continue] -def goalContinue (target: GoalState) (branch: GoalState): Except String GoalState := - target.continue branch - @[export pantograph_goal_serialize_m] def goalSerialize (state: GoalState) (options: @&Protocol.Options): CoreM (Array Protocol.Goal) := runMetaM <| state.serializeGoals (parent := .none) options @@ -189,8 +185,5 @@ def goalConvExit (state: GoalState): CoreM TacticResult := @[export pantograph_goal_calc_m] def goalCalc (state: GoalState) (goalId: Nat) (pred: String): CoreM TacticResult := runTermElabM <| state.tryCalc goalId pred -@[export pantograph_goal_focus] -def goalFocus (state: GoalState) (goalId: Nat): Option GoalState := - state.focus goalId end Pantograph