aniva/Pantograph
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feat: Condensed interface #85

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aniva merged 27 commits from serial/expr into dev 2024-08-15 22:41:59 -07:00
Conversation 0 Commits 27 Files Changed 13 +10 -2
1 changed files with 10 additions and 2 deletions
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Pantograph/Goal.lean
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@ -63,9 +63,16 @@ protected def GoalState.mctx (state: GoalState): MetavarContext :=
protected def GoalState.env (state: GoalState): Environment :=
state.savedState.term.meta.core.env
@[export pantograph_goal_state_meta_context_of_goal]
protected def GoalState.metaContextOfGoal (state: GoalState) (mvarId: MVarId): Option Meta.Context := do
let mvarDecl ← state.mctx.findDecl? mvarId
return { lctx := mvarDecl.lctx, localInstances := mvarDecl.localInstances }
@[export pantograph_goal_state_meta_state]
protected def GoalState.metaState (state: GoalState): Meta.State :=
state.savedState.term.meta.meta
protected def GoalState.withContext (state: GoalState) (mvarId: MVarId) (m: MetaM α): MetaM α := do
let metaM := mvarId.withContext m
metaM.run' (← read) state.savedState.term.meta.meta
mvarId.withContext m |>.run' (← read) state.metaState
protected def GoalState.withParentContext (state: GoalState) (m: MetaM α): MetaM α := do
state.withContext state.parentMVar?.get! m
@ -82,6 +89,7 @@ private def GoalState.restoreTacticM (state: GoalState) (goal: MVarId): Elab.Tac
state.savedState.restore
Elab.Tactic.setGoals [goal]
private def newMVarSet (mctxOld: @&MetavarContext) (mctxNew: @&MetavarContext): SSet MVarId :=
mctxNew.decls.foldl (fun acc mvarId mvarDecl =>
if let .some prevMVarDecl := mctxOld.decls.find? mvarId then