From 25e2eb01865350d1bb73320772a14d6ac3785e71 Mon Sep 17 00:00:00 2001 From: Jason Gross Date: Mon, 3 Apr 2017 17:43:44 -0400 Subject: More fine-grained tactic imports Most files no longer import Crypto.Util.Tactics. We remove an unused lemma depending on classical axioms; closes #143. After | File Name | Before || Change ----------------------------------------------------------------------------------------------------------- 28m38.18s | Total | 29m04.51s || -0m26.32s ----------------------------------------------------------------------------------------------------------- 0m41.70s | ModularArithmetic/ModularBaseSystemProofs | 0m32.66s || +0m09.04s 1m39.88s | MontgomeryX | 1m46.07s || -0m06.18s 1m56.52s | WeierstrassCurve/Projective | 2m00.76s || -0m04.23s 10m36.85s | WeierstrassCurve/WeierstrassCurveTheorems | 10m40.14s || -0m03.28s 0m21.35s | ModularArithmetic/Pow2BaseProofs | 0m22.54s || -0m01.18s 0m20.24s | Reflection/Named/MapCastWf | 0m21.41s || -0m01.17s 1m30.28s | Test/Curve25519SpecTestVectors | 1m31.19s || -0m00.90s 0m49.53s | Specific/IntegrationTest | 0m50.01s || -0m00.47s 0m42.19s | MontgomeryCurveTheorems | 0m42.18s || +0m00.00s 0m41.08s | ModularArithmetic/Conversion | 0m41.84s || -0m00.76s 0m36.62s | Spec/Ed25519 | 0m37.13s || -0m00.51s 0m23.64s | 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Reflection/MultiSizeTest2 | 0m00.34s || -0m00.04s 0m00.29s | Reflection/ExprInversion | 0m00.26s || +0m00.02s 0m00.29s | Spec/MxDH | 0m00.43s || -0m00.14s 0m00.26s | Algebra/Monoid | 0m00.51s || -0m00.25s 0m00.26s | Util/Sum | 0m00.34s || -0m00.08s 0m00.24s | Algebra | 0m00.43s || -0m00.19s 0m00.23s | Reflection/Equality | 0m00.25s || -0m00.01s 0m00.22s | Reflection/CommonSubexpressionElimination | 0m00.17s || +0m00.04s 0m00.21s | Reflection/SmartMap | 0m00.23s || -0m00.02s 0m00.20s | Reflection/EtaInterp | 0m00.22s || -0m00.01s 0m00.20s | Reflection/BoundByCastWf | 0m00.12s || +0m00.08s 0m00.20s | Reflection/LinearizeInterp | 0m00.23s || -0m00.03s 0m00.18s | Util/LetInMonad | 0m00.19s || -0m00.01s 0m00.16s | Reflection/InterpProofs | 0m00.18s || -0m00.01s 0m00.13s | Util/Option | 0m00.14s || -0m00.01s 0m00.13s | Reflection/Wf | 0m00.12s || +0m00.01s 0m00.12s | Reflection/RewriterWf | 0m00.19s || -0m00.07s 0m00.08s | Reflection/Conversion | 0m00.08s || +0m00.00s 0m00.08s | Reflection/Named/NameUtil | 0m00.12s || -0m00.03s 0m00.07s | Reflection/Inline | 0m00.04s || +0m00.03s 0m00.06s | Reflection/TypeInversion | 0m00.08s || -0m00.02s 0m00.06s | Reflection/SmartBound | 0m00.06s || +0m00.00s 0m00.06s | Reflection/InlineCast | 0m00.06s || +0m00.00s 0m00.06s | Util/Tactics | 0m00.07s || -0m00.01s 0m00.06s | Reflection/RewriterInterp | 0m00.05s || +0m00.00s 0m00.06s | Reflection/MapCast | 0m00.06s || +0m00.00s 0m00.05s | Reflection/TypeUtil | 0m00.04s || +0m00.01s 0m00.04s | Reflection/Syntax | 0m00.09s || -0m00.05s 0m00.04s | Reflection/FoldTypes | 0m00.05s || -0m00.01s 0m00.04s | Reflection/Linearize | 0m00.04s || +0m00.00s 0m00.04s | Reflection/Rewriter | 0m00.03s || +0m00.01s 0m00.04s | Reflection/Map | 0m00.04s || +0m00.00s 0m00.04s | Util/Tactics/OnSubterms | N/A || +0m00.04s 0m00.04s | Reflection/CountLets | 0m00.04s || +0m00.00s 0m00.04s | Reflection/SmartCast | 0m00.04s || +0m00.00s 0m00.04s | Util/LetIn | 0m00.07s || -0m00.03s 0m00.04s | Reflection/Eta | 0m00.05s || -0m00.01s 0m00.04s | Reflection/BoundByCast | 0m00.06s || -0m00.01s 0m00.03s | Reflection/SmartCastInterp | 0m00.05s || -0m00.02s 0m00.03s | Util/Tactics/SubstEvars | N/A || +0m00.03s 0m00.03s | Reflection/InterpByIso | 0m00.04s || -0m00.01s 0m00.03s | Util/Tactics/Forward | N/A || +0m00.03s 0m00.03s | Util/Tactics/BreakMatch | 0m00.02s || +0m00.00s 0m00.03s | Reflection/RenameBinders | 0m00.03s || +0m00.00s 0m00.03s | Util/Tactics/ConvoyDestruct | N/A || +0m00.03s 0m00.02s | Util/Tactics/SideConditionsBeforeToAfter | N/A || +0m00.02s 0m00.02s | Util/Tactics/Revert | N/A || +0m00.02s 0m00.02s | Util/Tactics/Test | N/A || +0m00.02s 0m00.02s | Util/Tactics/SetEvars | N/A || +0m00.02s 0m00.02s | Util/Tactics/SetoidSubst | N/A || +0m00.02s 0m00.02s | Util/Tactics/DestructTrivial | N/A || +0m00.02s 0m00.02s | Util/Tactics/ESpecialize | N/A || +0m00.02s 0m00.02s | Util/Tactics/SimplifyProjections | N/A || +0m00.02s 0m00.02s | Util/Tactics/Not | N/A || +0m00.02s 0m00.02s | Util/Tactics/Contains | N/A || +0m00.02s 0m00.02s | Util/Tactics/SimplifyRepeatedIfs | N/A || +0m00.02s 0m00.02s | Util/Tactics/ClearDuplicates | N/A || +0m00.02s 0m00.02s | Util/Tactics/DebugPrint | N/A || +0m00.02s 0m00.01s | Util/Tactics/GetGoal | N/A || +0m00.01s --- src/Util/Tactics.v | 333 +++-------------------------------------------------- 1 file changed, 18 insertions(+), 315 deletions(-) (limited to 'src/Util/Tactics.v') diff --git a/src/Util/Tactics.v b/src/Util/Tactics.v index d6ab637aa..88dcb0aa8 100644 --- a/src/Util/Tactics.v +++ b/src/Util/Tactics.v @@ -1,331 +1,34 @@ (** * Generic Tactics *) Require Export Crypto.Util.FixCoqMistakes. Require Export Crypto.Util.Tactics.BreakMatch. +Require Export Crypto.Util.Tactics.Contains. +Require Export Crypto.Util.Tactics.ConvoyDestruct. +Require Export Crypto.Util.Tactics.ClearDuplicates. Require Export Crypto.Util.Tactics.Head. +Require Export Crypto.Util.Tactics.DebugPrint. Require Export Crypto.Util.Tactics.DestructHyps. Require Export Crypto.Util.Tactics.DestructHead. +Require Export Crypto.Util.Tactics.DestructTrivial. Require Export Crypto.Util.Tactics.DoWithHyp. +Require Export Crypto.Util.Tactics.ESpecialize. Require Export Crypto.Util.Tactics.ETransitivity. Require Export Crypto.Util.Tactics.EvarExists. +Require Export Crypto.Util.Tactics.Forward. +Require Export Crypto.Util.Tactics.GetGoal. +Require Export Crypto.Util.Tactics.OnSubterms. +Require Export Crypto.Util.Tactics.Not. +Require Export Crypto.Util.Tactics.Revert. Require Export Crypto.Util.Tactics.RewriteHyp. +Require Export Crypto.Util.Tactics.SetEvars. +Require Export Crypto.Util.Tactics.SetoidSubst. +Require Export Crypto.Util.Tactics.SideConditionsBeforeToAfter. +Require Export Crypto.Util.Tactics.SimplifyProjections. +Require Export Crypto.Util.Tactics.SimplifyRepeatedIfs. Require Export Crypto.Util.Tactics.SpecializeBy. Require Export Crypto.Util.Tactics.SplitInContext. +Require Export Crypto.Util.Tactics.SubstEvars. Require Export Crypto.Util.Tactics.SubstLet. +Require Export Crypto.Util.Tactics.Test. Require Export Crypto.Util.Tactics.UnifyAbstractReflexivity. Require Export Crypto.Util.Tactics.UniquePose. Require Export Crypto.Util.Tactics.VM. - -(** Test if a tactic succeeds, but always roll-back the results *) -Tactic Notation "test" tactic3(tac) := - try (first [ tac | fail 2 tac "does not succeed" ]; fail 0 tac "succeeds"; [](* test for [t] solved all goals *)). - -(** [not tac] is equivalent to [fail tac "succeeds"] if [tac] succeeds, and is equivalent to [idtac] if [tac] fails *) -Tactic Notation "not" tactic3(tac) := try ((test tac); fail 1 tac "succeeds"). - -Ltac get_goal := - match goal with |- ?G => G end. - -(** [contains x expr] succeeds iff [x] appears in [expr] *) -Ltac contains search_for in_term := - idtac; - lazymatch in_term with - | appcontext[search_for] => idtac - end. - -Ltac debuglevel := constr:(0%nat). - -Ltac solve_debugfail tac := - solve [tac] || - ( let dbg := debuglevel in - match dbg with - | O => idtac - | _ => match goal with |- ?G => idtac "couldn't prove" G end - end; - fail). - -Ltac set_evars := - repeat match goal with - | [ |- appcontext[?E] ] => is_evar E; let e := fresh "e" in set (e := E) - end. - -Ltac subst_evars := - repeat match goal with - | [ e := ?E |- _ ] => is_evar E; subst e - end. - -Ltac free_in x y := - idtac; - match y with - | appcontext[x] => fail 1 x "appears in" y - | _ => idtac - end. - -Ltac setoid_subst'' R x := - is_var x; - match goal with - | [ H : R x ?y |- _ ] - => free_in x y; rewrite ?H in *; clear x H - | [ H : R ?y x |- _ ] - => free_in x y; rewrite <- ?H in *; clear x H - end. - -Ltac setoid_subst' x := - is_var x; - match goal with - | [ H : ?R x _ |- _ ] => setoid_subst'' R x - | [ H : ?R _ x |- _ ] => setoid_subst'' R x - end. - -Ltac setoid_subst_rel' R := - idtac; - match goal with - | [ H : R ?x _ |- _ ] => setoid_subst'' R x - | [ H : R _ ?x |- _ ] => setoid_subst'' R x - end. - -Ltac setoid_subst_rel R := repeat setoid_subst_rel' R. - -Ltac setoid_subst_all := - repeat match goal with - | [ H : ?R ?x ?y |- _ ] => is_var x; setoid_subst'' R x - | [ H : ?R ?x ?y |- _ ] => is_var y; setoid_subst'' R y - end. - -Tactic Notation "setoid_subst" ident(x) := setoid_subst' x. -Tactic Notation "setoid_subst" := setoid_subst_all. - -Ltac destruct_trivial_step := - match goal with - | [ H : unit |- _ ] => clear H || destruct H - | [ H : True |- _ ] => clear H || destruct H - end. -Ltac destruct_trivial := repeat destruct_trivial_step. - -Ltac clear_duplicates_step := - match goal with - | [ H : ?T, H' : ?T |- _ ] => clear H' - | [ H := ?T, H' := ?T |- _ ] => clear H' - end. -Ltac clear_duplicates := repeat clear_duplicates_step. - - -(** given a [matcher] that succeeds on some hypotheses and fails on - others, destruct any matching hypotheses, and then execute [tac] - after each [destruct]. - - The [tac] part exists so that you can, e.g., [simpl in *], to - speed things up. *) -Ltac do_one_match_then matcher do_tac tac := - idtac; - match goal with - | [ H : ?T |- _ ] - => matcher T; do_tac H; - try match type of H with - | T => clear H - end; - tac - end. - -Ltac do_all_matches_then matcher do_tac tac := - repeat do_one_match_then matcher do_tac tac. - -Ltac destruct_all_matches_then matcher tac := - do_all_matches_then matcher ltac:(fun H => destruct H) tac. -Ltac destruct_one_match_then matcher tac := - do_one_match_then matcher ltac:(fun H => destruct H) tac. - -Ltac inversion_all_matches_then matcher tac := - do_all_matches_then matcher ltac:(fun H => inversion H; subst) tac. -Ltac inversion_one_match_then matcher tac := - do_one_match_then matcher ltac:(fun H => inversion H; subst) tac. - -Ltac destruct_all_matches matcher := - destruct_all_matches_then matcher ltac:( simpl in * ). -Ltac destruct_one_match matcher := destruct_one_match_then matcher ltac:( simpl in * ). -Ltac destruct_all_matches' matcher := destruct_all_matches_then matcher idtac. - -Ltac inversion_all_matches matcher := inversion_all_matches_then matcher ltac:( simpl in * ). -Ltac inversion_one_match matcher := inversion_one_match_then matcher ltac:( simpl in * ). -Ltac inversion_all_matches' matcher := inversion_all_matches_then matcher idtac. - -(** If [tac_in H] operates in [H] and leaves side-conditions before - the original goal, then - [side_conditions_before_to_side_conditions_after tac_in H] does - the same thing to [H], but leaves side-conditions after the - original goal. *) -Ltac side_conditions_before_to_side_conditions_after tac_in H := - let HT := type of H in - let HTT := type of HT in - let H' := fresh in - rename H into H'; - let HT' := fresh in - evar (HT' : HTT); - cut HT'; - [ subst HT'; intro H - | tac_in H'; - [ .. - | subst HT'; eexact H' ] ]; - instantiate; (* required in 8.4 for the [move] to succeed, because evar dependencies *) - [ (* We preserve the order of the hypotheses. We need to do this - here, after evars are instantiated, and not above. *) - move H after H'; clear H' - | .. ]. - -(** Execute [progress tac] on all subterms of the goal. Useful for things like [ring_simplify]. *) -Ltac tac_on_subterms tac := - repeat match goal with - | [ |- context[?t] ] - => progress tac t - end. - -(** Like [Coq.Program.Tactics.revert_last], but only for non-dependent hypotheses *) -Ltac revert_last_nondep := - match goal with - | [ H : _ |- _ ] - => lazymatch goal with - | [ H' : appcontext[H] |- _ ] => fail - | [ |- appcontext[H] ] => fail - | _ => idtac - end; - revert H - end. - -Ltac reverse_nondep := repeat revert_last_nondep. - -Ltac simplify_repeated_ifs_step := - match goal with - | [ |- context G[if ?b then ?x else ?y] ] - => let x' := match x with - | context x'[b] => let x'' := context x'[true] in x'' - end in - let G' := context G[if b then x' else y] in - cut G'; [ destruct b; exact (fun z => z) | cbv iota ] - | [ |- context G[if ?b then ?x else ?y] ] - => let y' := match y with - | context y'[b] => let y'' := context y'[false] in y'' - end in - let G' := context G[if b then x else y'] in - cut G'; [ destruct b; exact (fun z => z) | cbv iota ] - end. -Ltac simplify_repeated_ifs := repeat simplify_repeated_ifs_step. - -(** Like [specialize] but allows holes that get filled with evars. *) -Tactic Notation "especialize" open_constr(H) := specialize H. - -(** [forward H] specializes non-dependent binders in a hypothesis [H] - with side-conditions. Side-conditions come after the main goal, - like with [replace] and [rewrite]. - - [eforward H] is like [forward H], but also specializes dependent - binders with evars. - - Both tactics do nothing on hypotheses they cannot handle. *) -Ltac forward_step H := - match type of H with - | ?A -> ?B => let a := fresh in cut A; [ intro a; specialize (H a); clear a | ] - end. -Ltac eforward_step H := - match type of H with - | _ => forward_step H - | forall x : ?A, _ - => let x_or_fresh := fresh x in - evar (x_or_fresh : A); - specialize (H x_or_fresh); subst x_or_fresh - end. -Ltac forward H := try (forward_step H; [ forward H | .. ]). -Ltac eforward H := try (eforward_step H; [ eforward H | .. ]). - -(** [simplify_projections] reduces terms of the form [fst (_, _)] (for - any projection from [prod], [sig], [sigT], or [and]) *) -Ltac pre_simplify_projection proj proj' uproj' := - pose proj as proj'; - pose proj as uproj'; - unfold proj in uproj'; - change proj with proj'. -Ltac do_simplify_projection_2Targ_4carg_step proj proj' uproj' construct := - change proj' with uproj' at 1; - lazymatch goal with - | [ |- appcontext[uproj' _ _ (construct _ _ _ _)] ] - => cbv beta iota delta [uproj'] - | _ => change uproj' with proj - end. -Ltac do_simplify_projection_2Targ_4carg proj proj' uproj' construct := - repeat do_simplify_projection_2Targ_4carg_step proj proj' uproj' construct. -Ltac simplify_projection_2Targ_4carg proj construct := - let proj' := fresh "proj" in - let uproj' := fresh "proj" in - pre_simplify_projection proj proj' uproj'; - do_simplify_projection_2Targ_4carg proj proj' uproj' construct; - clear proj' uproj'. - -Ltac simplify_projections := - repeat (simplify_projection_2Targ_4carg @fst @pair - || simplify_projection_2Targ_4carg @snd @pair - || simplify_projection_2Targ_4carg @proj1_sig @exist - || simplify_projection_2Targ_4carg @proj2_sig @exist - || simplify_projection_2Targ_4carg @projT1 @existT - || simplify_projection_2Targ_4carg @projT2 @existT - || simplify_projection_2Targ_4carg @proj1 @conj - || simplify_projection_2Targ_4carg @proj2 @conj). - -(** constr-based [idtac] *) -Class cidtac {T} (msg : T) := Build_cidtac : True. -Hint Extern 0 (cidtac ?msg) => idtac msg; exact I : typeclass_instances. -(** constr-based [idtac] *) -Class cidtac2 {T1 T2} (msg1 : T1) (msg2 : T2) := Build_cidtac2 : True. -Hint Extern 0 (cidtac2 ?msg1 ?msg2) => idtac msg1 msg2; exact I : typeclass_instances. -Class cidtac3 {T1 T2 T3} (msg1 : T1) (msg2 : T2) (msg3 : T3) := Build_cidtac3 : True. -Hint Extern 0 (cidtac3 ?msg1 ?msg2 ?msg3) => idtac msg1 msg2 msg3; exact I : typeclass_instances. - -Class cfail {T} (msg : T) := Build_cfail : True. -Hint Extern 0 (cfail ?msg) => idtac "Error:" msg; exact I : typeclass_instances. -Class cfail2 {T1 T2} (msg1 : T1) (msg2 : T2) := Build_cfail2 : True. -Hint Extern 0 (cfail2 ?msg1 ?msg2) => idtac "Error:" msg1 msg2; exact I : typeclass_instances. -Class cfail3 {T1 T2 T3} (msg1 : T1) (msg2 : T2) (msg3 : T3) := Build_cfail3 : True. -Hint Extern 0 (cfail3 ?msg1 ?msg2 ?msg3) => idtac "Error:" msg1 msg2 msg3; exact I : typeclass_instances. - -Ltac cidtac msg := constr:(_ : cidtac msg). -Ltac cidtac2 msg1 msg2 := constr:(_ : cidtac2 msg1 msg2). -Ltac cidtac3 msg1 msg2 msg3 := constr:(_ : cidtac2 msg1 msg2 msg3). -Ltac cfail msg := let dummy := constr:(_ : cfail msg) in constr:(I : I). -Ltac cfail2 msg1 msg2 := let dummy := constr:(_ : cfail2 msg1 msg2) in constr:(I : I). -Ltac cfail3 msg1 msg2 msg3 := let dummy := constr:(_ : cfail2 msg1 msg2 msg3) in constr:(I : I). - -Ltac idtac_goal := lazymatch goal with |- ?G => idtac "Goal:" G end. -Ltac idtac_context := - try (repeat match goal with H : _ |- _ => revert H end; - idtac_goal; - lazymatch goal with |- ?G => idtac "Context:" G end; - fail). - -(** Destruct the convoy pattern ([match e as x return x = e -> _ with _ => _ end eq_refl] *) -Ltac convoy_destruct_gen T change_in := - let e' := fresh in - let H' := fresh in - match T with - | context G[?f eq_refl] - => match f with - | match ?e with _ => _ end - => pose e as e'; - match f with - | context F[e] - => let F' := context F[e'] in - first [ pose (eq_refl : e = e') as H'; - let G' := context G[F' H'] in - change_in G'; - clearbody H' e' - | pose (eq_refl : e' = e) as H'; - let G' := context G[F' H'] in - change_in G'; - clearbody H' e' ] - end - end; - destruct e' - end. - -Ltac convoy_destruct_in H := - let T := type of H in - convoy_destruct_gen T ltac:(fun T' => change T' in H). -Ltac convoy_destruct := - let T := get_goal in - convoy_destruct_gen T ltac:(fun T' => change T'). -- cgit v1.2.3