chore: Version 0.3 #136
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@ -164,7 +164,6 @@ protected def GoalState.assign (state: GoalState) (goal: MVarId) (expr: Expr):
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let messages := (← getThe Core.State).messages.getErrorMessages |>.toList.toArray
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let messages := (← getThe Core.State).messages.getErrorMessages |>.toList.toArray
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let errors ← (messages.map Message.data).mapM fun md => md.toString
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let errors ← (messages.map Message.data).mapM fun md => md.toString
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return .failure errors
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return .failure errors
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else
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let prevMCtx := state.savedState.term.meta.meta.mctx
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let prevMCtx := state.savedState.term.meta.meta.mctx
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let nextMCtx ← getMCtx
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let nextMCtx ← getMCtx
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-- Generate a list of mvarIds that exist in the parent state; Also test the
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-- Generate a list of mvarIds that exist in the parent state; Also test the
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@ -346,10 +345,10 @@ protected def GoalState.tryCalc (state: GoalState) (goalId: Nat) (pred: String):
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| .ok syn => pure syn
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| .ok syn => pure syn
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| .error error => return .parseError error
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| .error error => return .parseError error
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let calcPrevRhs? := state.calcPrevRhsOf? goalId
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let calcPrevRhs? := state.calcPrevRhsOf? goalId
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try
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goal.withContext do
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let target ← instantiateMVars (← goal.getDecl).type
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let target ← instantiateMVars (← goal.getDecl).type
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let tag := (← goal.getDecl).userName
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let tag := (← goal.getDecl).userName
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try
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goal.withContext do
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let mut step ← Elab.Term.elabType <| ← do
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let mut step ← Elab.Term.elabType <| ← do
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if let some prevRhs := calcPrevRhs? then
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if let some prevRhs := calcPrevRhs? then
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@ -377,7 +376,7 @@ protected def GoalState.tryCalc (state: GoalState) (goalId: Nat) (pred: String):
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-- The calc tactic either solves the main goal or leaves another relation.
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-- The calc tactic either solves the main goal or leaves another relation.
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-- Replace the main goal, and save the new goal if necessary
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-- Replace the main goal, and save the new goal if necessary
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if ¬(← Meta.isDefEq proofType target) then
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unless ← Meta.isDefEq proofType target do
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let rec throwFailed :=
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let rec throwFailed :=
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throwError "'calc' tactic failed, has type{indentExpr proofType}\nbut it is expected to have type{indentExpr target}"
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throwError "'calc' tactic failed, has type{indentExpr proofType}\nbut it is expected to have type{indentExpr target}"
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let some (_, _, rhs) ← Elab.Term.getCalcRelation? proofType | throwFailed
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let some (_, _, rhs) ← Elab.Term.getCalcRelation? proofType | throwFailed
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