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Dmitry Khalanskiy
Iris
Commits
09722955
Commit
09722955
authored
Mar 16, 2017
by
Robbert Krebbers
Browse files
Misc proof mode clean up.
parent
08212075
Changes
1
Hide whitespace changes
Inline
Sidebyside
theories/proofmode/tactics.v
View file @
09722955
...
...
@@ 110,8 +110,9 @@ Tactic Notation "iClear" "(" ident_list(xs) ")" constr(Hs) :=
Tactic
Notation
"iExact"
constr
(
H
)
:
=
eapply
tac_assumption
with
H
_
_;
(* (i:=H) *)
[
env_reflexivity

fail
"iExact:"
H
"not found"

let
P
:
=
match
goal
with

FromAssumption
_
?P
_
=>
P
end
in
apply
_

fail
"iExact:"
H
":"
P
"does not match goal"
].

apply
_

let
P
:
=
match
goal
with

FromAssumption
_
?P
_
=>
P
end
in
fail
"iExact:"
H
":"
P
"does not match goal"
].
Tactic
Notation
"iAssumptionCore"
:
=
let
rec
find
Γ
i
P
:
=
...
...
@@ 151,22 +152,26 @@ Tactic Notation "iExFalso" := apply tac_ex_falso.
Local
Tactic
Notation
"iPersistent"
constr
(
H
)
:
=
eapply
tac_persistent
with
_
H
_
_
_;
(* (i:=H) *)
[
env_reflexivity

fail
"iPersistent:"
H
"not found"

let
Q
:
=
match
goal
with

IntoPersistentP
?Q
_
=>
Q
end
in
apply
_

fail
"iPersistent:"
Q
"not persistent"

apply
_

let
Q
:
=
match
goal
with

IntoPersistentP
?Q
_
=>
Q
end
in
fail
"iPersistent:"
Q
"not persistent"

env_reflexivity
].
Local
Tactic
Notation
"iPure"
constr
(
H
)
"as"
simple_intropattern
(
pat
)
:
=
eapply
tac_pure
with
_
H
_
_
_;
(* (i:=H1) *)
[
env_reflexivity

fail
"iPure:"
H
"not found"

let
P
:
=
match
goal
with

IntoPure
?P
_
=>
P
end
in
apply
_

fail
"iPure:"
P
"not pure"

apply
_

let
P
:
=
match
goal
with

IntoPure
?P
_
=>
P
end
in
fail
"iPure:"
P
"not pure"

intros
pat
].
Tactic
Notation
"iPureIntro"
:
=
iStartProof
;
eapply
tac_pure_intro
;
[
let
P
:
=
match
goal
with

FromPure
?P
_
=>
P
end
in
apply
_

fail
"iPureIntro:"
P
"not pure"
].
[
apply
_

let
P
:
=
match
goal
with

FromPure
?P
_
=>
P
end
in
fail
"iPureIntro:"
P
"not pure"
].
(** Framing *)
Local
Ltac
iFrameFinish
:
=
...
...
@@ 184,8 +189,9 @@ Local Ltac iFramePure t :=
Local
Ltac
iFrameHyp
H
:
=
eapply
tac_frame
with
_
H
_
_
_;
[
env_reflexivity

fail
"iFrame:"
H
"not found"

let
R
:
=
match
goal
with

Frame
_
?R
_
_
=>
R
end
in
apply
_

fail
"iFrame: cannot frame"
R

apply
_

let
R
:
=
match
goal
with

Frame
_
?R
_
_
=>
R
end
in
fail
"iFrame: cannot frame"
R

iFrameFinish
].
Local
Ltac
iFrameAnyPure
:
=
...
...
@@ 268,11 +274,15 @@ Local Tactic Notation "iIntro" "(" simple_intropattern(x) ")" :=
try
first
[
(* (∀ _, _) *)
apply
tac_forall_intro

(* (?P → _) *)
eapply
tac_impl_intro_pure
;
[
let
P
:
=
match
goal
with

IntoPure
?P
_
=>
P
end
in
apply
_

fail
"iIntro:"
P
"not pure"
]
[
apply
_

let
P
:
=
match
goal
with

IntoPure
?P
_
=>
P
end
in
fail
"iIntro:"
P
"not pure"
]

(* (?P ∗ _) *)
eapply
tac_wand_intro_pure
;
[
let
P
:
=
match
goal
with

IntoPure
?P
_
=>
P
end
in
apply
_

fail
"iIntro:"
P
"not pure"
]
[
apply
_

let
P
:
=
match
goal
with

IntoPure
?P
_
=>
P
end
in
fail
"iIntro:"
P
"not pure"
]

(* ⌜∀ _, _⌝ *)
apply
tac_pure_forall_intro

(* ⌜_ → _⌝ *)
apply
tac_pure_impl_intro
]
;
intros
x
.
...
...
@@ 284,10 +294,12 @@ Local Tactic Notation "iIntro" constr(H) :=
eapply
tac_impl_intro
with
_
H
;
(* (i:=H) *)
[
reflexivity

fail
1
"iIntro: introducing"
H
"into nonempty spatial context"

env_reflexivity

fail
"iIntro:"
H
"not fresh"
]

env_reflexivity

fail
"iIntro:"
H
"not fresh"
]

(* (_ ∗ _) *)
eapply
tac_wand_intro
with
_
H
;
(* (i:=H) *)
[
env_reflexivity

fail
1
"iIntro:"
H
"not fresh"
]
[
env_reflexivity

fail
1
"iIntro:"
H
"not fresh"
]

fail
1
"iIntro: nothing to introduce"
].
Local
Tactic
Notation
"iIntro"
"#"
constr
(
H
)
:
=
...
...
@@ 295,14 +307,18 @@ Local Tactic Notation "iIntro" "#" constr(H) :=
first
[
(* (?P → _) *)
eapply
tac_impl_intro_persistent
with
_
H
_;
(* (i:=H) *)
[
let
P
:
=
match
goal
with

IntoPersistentP
?P
_
=>
P
end
in
apply
_

fail
1
"iIntro: "
P
" not persistent"

env_reflexivity

fail
1
"iIntro:"
H
"not fresh"
]
[
apply
_

let
P
:
=
match
goal
with

IntoPersistentP
?P
_
=>
P
end
in
fail
1
"iIntro: "
P
" not persistent"

env_reflexivity

fail
1
"iIntro:"
H
"not fresh"
]

(* (?P ∗ _) *)
eapply
tac_wand_intro_persistent
with
_
H
_;
(* (i:=H) *)
[
let
P
:
=
match
goal
with

IntoPersistentP
?P
_
=>
P
end
in
apply
_

fail
1
"iIntro: "
P
" not persistent"

env_reflexivity

fail
1
"iIntro:"
H
"not fresh"
]
[
apply
_

let
P
:
=
match
goal
with

IntoPersistentP
?P
_
=>
P
end
in
fail
1
"iIntro: "
P
" not persistent"

env_reflexivity

fail
1
"iIntro:"
H
"not fresh"
]

fail
1
"iIntro: nothing to introduce"
].
Local
Tactic
Notation
"iIntro"
"_"
:
=
...
...
@@ 346,16 +362,18 @@ Local Tactic Notation "iSpecializeArgs" constr(H) open_constr(xs) :=

hcons
?x
?xs
=>
eapply
tac_forall_specialize
with
_
H
_
_
_;
(* (i:=H) (a:=x) *)
[
env_reflexivity

fail
1
"iSpecialize:"
H
"not found"

let
P
:
=
match
goal
with

IntoForall
?P
_
=>
P
end
in
apply
_

fail
1
"iSpecialize: cannot instantiate"
P
"with"
x

apply
_

let
P
:
=
match
goal
with

IntoForall
?P
_
=>
P
end
in
fail
1
"iSpecialize: cannot instantiate"
P
"with"
x

exists
x
;
split
;
[
env_reflexivity

go
xs
]]
end
in
go
xs
.
Local
Tactic
Notation
"iSpecializePat"
constr
(
H
)
constr
(
pat
)
:
=
let
solve_to_wand
H1
:
=
apply
_

let
P
:
=
match
goal
with

IntoWand
?P
_
_
=>
P
end
in
apply
_

fail
"iSpecialize:"
P
"not an implication/wand"
in
fail
"iSpecialize:"
P
"not an implication/wand"
in
let
rec
go
H1
pats
:
=
lazymatch
pats
with

[]
=>
idtac
...
...
@@ 366,16 +384,18 @@ Local Tactic Notation "iSpecializePat" constr(H) constr(pat) :=
eapply
tac_specialize
with
_
_
H2
_
H1
_
_
_
_;
(* (j:=H1) (i:=H2) *)
[
env_reflexivity

fail
"iSpecialize:"
H2
"not found"

env_reflexivity

fail
"iSpecialize:"
H1
"not found"

let
P
:
=
match
goal
with

IntoWand
?P
?Q
_
=>
P
end
in

apply
_

let
P
:
=
match
goal
with

IntoWand
?P
?Q
_
=>
P
end
in
let
Q
:
=
match
goal
with

IntoWand
?P
?Q
_
=>
Q
end
in
apply
_

fail
"iSpecialize: cannot instantiate"
P
"with"
Q
fail
"iSpecialize: cannot instantiate"
P
"with"
Q

env_reflexivity

go
H1
pats
]

SPureGoal
?d
::
?pats
=>
eapply
tac_specialize_assert_pure
with
_
H1
_
_
_
_
_;
[
env_reflexivity

fail
"iSpecialize:"
H1
"not found"

solve_to_wand
H1

let
Q
:
=
match
goal
with

FromPure
?Q
_
=>
Q
end
in
apply
_

fail
"iSpecialize:"
Q
"not pure"

apply
_

let
Q
:
=
match
goal
with

FromPure
?Q
_
=>
Q
end
in
fail
"iSpecialize:"
Q
"not pure"

env_reflexivity

done_if
d
(*goal*)

go
H1
pats
]
...
...
@@ 383,8 +403,9 @@ Local Tactic Notation "iSpecializePat" constr(H) constr(pat) :=
eapply
tac_specialize_assert_persistent
with
_
_
H1
_
_
_
_;
[
env_reflexivity

fail
"iSpecialize:"
H1
"not found"

solve_to_wand
H1

let
Q
:
=
match
goal
with

PersistentP
?Q
=>
Q
end
in
apply
_

fail
"iSpecialize:"
Q
"not persistent"

apply
_

let
Q
:
=
match
goal
with

PersistentP
?Q
=>
Q
end
in
fail
"iSpecialize:"
Q
"not persistent"

env_reflexivity

iFrame
Hs_frame
;
done_if
d
(*goal*)

go
H1
pats
]
...
...
@@ 406,8 +427,9 @@ Local Tactic Notation "iSpecializePat" constr(H) constr(pat) :=
eapply
tac_specialize_assert_persistent
with
_
_
H1
_
_
_
_;
[
env_reflexivity

fail
"iSpecialize:"
H1
"not found"

solve_to_wand
H1

let
Q
:
=
match
goal
with

PersistentP
?Q
=>
Q
end
in
apply
_

fail
"iSpecialize:"
Q
"not persistent"

apply
_

let
Q
:
=
match
goal
with

PersistentP
?Q
=>
Q
end
in
fail
"iSpecialize:"
Q
"not persistent"

env_reflexivity

solve
[
iFrame
"∗ #"
]

go
H1
pats
]
...
...
@@ 419,8 +441,8 @@ Local Tactic Notation "iSpecializePat" constr(H) constr(pat) :=

GSpatial
=>
apply
elim_modal_dummy

GModal
=>
apply
_

fail
"iSpecialize: goal not a modality"
end

iFrame
"∗ #"
;
apply
tac_unlock

fail
"iSpecialize: premise cannot be solved by framing"

iFrame
"∗ #"
;
apply
tac_unlock

fail
"iSpecialize: premise cannot be solved by framing"

reflexivity
]
;
iIntro
H1
;
go
H1
pats
end
in
let
pats
:
=
spec_pat
.
parse
pat
in
go
H
pats
.
...
...
@@ 447,8 +469,9 @@ Tactic Notation "iSpecializeCore" open_constr(t) "as" constr(p) :=
eapply
tac_specialize_persistent_helper
with
_
H
_
_
_;
[
env_reflexivity

fail
"iSpecialize:"
H
"not found"

iSpecializeArgs
H
xs
;
iSpecializePat
H
pat
;
last
(
iExact
H
)

let
Q
:
=
match
goal
with

PersistentP
?Q
=>
Q
end
in
apply
_

fail
"iSpecialize:"
Q
"not persistent"

apply
_

let
Q
:
=
match
goal
with

PersistentP
?Q
=>
Q
end
in
fail
"iSpecialize:"
Q
"not persistent"

env_reflexivity

(* goal *)
]

false
=>
iSpecializeArgs
H
xs
;
iSpecializePat
H
pat
end
...
...
@@ 611,21 +634,27 @@ Tactic Notation "iRevert" "(" ident(x1) ident(x2) ident(x3) ident(x4)
Tactic
Notation
"iLeft"
:
=
iStartProof
;
eapply
tac_or_l
;
[
let
P
:
=
match
goal
with

FromOr
?P
_
_
=>
P
end
in
apply
_

fail
"iLeft:"
P
"not a disjunction"
].
[
apply
_

let
P
:
=
match
goal
with

FromOr
?P
_
_
=>
P
end
in
fail
"iLeft:"
P
"not a disjunction"
].
Tactic
Notation
"iRight"
:
=
iStartProof
;
eapply
tac_or_r
;
[
let
P
:
=
match
goal
with

FromOr
?P
_
_
=>
P
end
in
apply
_

fail
"iRight:"
P
"not a disjunction"
].
[
apply
_

let
P
:
=
match
goal
with

FromOr
?P
_
_
=>
P
end
in
fail
"iRight:"
P
"not a disjunction"
].
Local
Tactic
Notation
"iOrDestruct"
constr
(
H
)
"as"
constr
(
H1
)
constr
(
H2
)
:
=
eapply
tac_or_destruct
with
_
_
H
_
H1
H2
_
_
_;
(* (i:=H) (j1:=H1) (j2:=H2) *)
[
env_reflexivity

fail
"iOrDestruct:"
H
"not found"

let
P
:
=
match
goal
with

IntoOr
?P
_
_
=>
P
end
in
apply
_

fail
"iOrDestruct: cannot destruct"
P

apply
_

let
P
:
=
match
goal
with

IntoOr
?P
_
_
=>
P
end
in
fail
"iOrDestruct: cannot destruct"
P

env_reflexivity

fail
"iOrDestruct:"
H1
"not fresh"

env_reflexivity

fail
"iOrDestruct:"
H2
"not fresh"

].

env_reflexivity

fail
"iOrDestruct:"
H2
"not fresh"

].
(** * Conjunction and separating conjunction *)
Tactic
Notation
"iSplit"
:
=
...
...
@@ 633,24 +662,27 @@ Tactic Notation "iSplit" :=
lazymatch
goal
with


_
⊢
_
=>
eapply
tac_and_split
;
[
let
P
:
=
match
goal
with

FromAnd
?P
_
_
=>
P
end
in
apply
_

fail
"iSplit:"
P
"not a conjunction"

]
[
apply
_

let
P
:
=
match
goal
with

FromAnd
?P
_
_
=>
P
end
in
fail
"iSplit:"
P
"not a conjunction"

]
end
.
Tactic
Notation
"iSplitL"
constr
(
Hs
)
:
=
iStartProof
;
let
Hs
:
=
words
Hs
in
eapply
tac_sep_split
with
_
_
false
Hs
_
_;
(* (js:=Hs) *)
[
let
P
:
=
match
goal
with

FromSep
?P
_
_
=>
P
end
in
apply
_

fail
"iSplitL:"
P
"not a separating conjunction"
[
apply
_

let
P
:
=
match
goal
with

FromSep
?P
_
_
=>
P
end
in
fail
"iSplitL:"
P
"not a separating conjunction"

env_reflexivity

fail
"iSplitL: hypotheses"
Hs
"not found in the context"

].
Tactic
Notation
"iSplitR"
constr
(
Hs
)
:
=
iStartProof
;
let
Hs
:
=
words
Hs
in
eapply
tac_sep_split
with
_
_
true
Hs
_
_;
(* (js:=Hs) *)
[
let
P
:
=
match
goal
with

FromSep
?P
_
_
=>
P
end
in
apply
_

fail
"iSplitR:"
P
"not a separating conjunction"
[
apply
_

let
P
:
=
match
goal
with

FromSep
?P
_
_
=>
P
end
in
fail
"iSplitR:"
P
"not a separating conjunction"

env_reflexivity

fail
"iSplitR: hypotheses"
Hs
"not found in the context"

].
...
...
@@ 660,15 +692,17 @@ Tactic Notation "iSplitR" := iSplitL "".
Local
Tactic
Notation
"iAndDestruct"
constr
(
H
)
"as"
constr
(
H1
)
constr
(
H2
)
:
=
eapply
tac_and_destruct
with
_
H
_
H1
H2
_
_
_;
(* (i:=H) (j1:=H1) (j2:=H2) *)
[
env_reflexivity

fail
"iAndDestruct:"
H
"not found"

let
P
:
=
match
goal
with

IntoAnd
_
?P
_
_
=>
P
end
in
apply
_

fail
"iAndDestruct: cannot destruct"
P

apply
_

let
P
:
=
match
goal
with

IntoAnd
_
?P
_
_
=>
P
end
in
fail
"iAndDestruct: cannot destruct"
P

env_reflexivity

fail
"iAndDestruct:"
H1
"or"
H2
" not fresh"
].
Local
Tactic
Notation
"iAndDestructChoice"
constr
(
H
)
"as"
constr
(
lr
)
constr
(
H'
)
:
=
eapply
tac_and_destruct_choice
with
_
H
_
lr
H'
_
_
_;
[
env_reflexivity

fail
"iAndDestructChoice:"
H
"not found"

let
P
:
=
match
goal
with

IntoAnd
_
?P
_
_
=>
P
end
in
apply
_

fail
"iAndDestructChoice: cannot destruct"
P

apply
_

let
P
:
=
match
goal
with

IntoAnd
_
?P
_
_
=>
P
end
in
fail
"iAndDestructChoice: cannot destruct"
P

env_reflexivity

fail
"iAndDestructChoice:"
H'
" not fresh"
].
(** * Combinining hypotheses *)
...
...
@@ 686,8 +720,9 @@ Tactic Notation "iCombine" constr(H1) constr(H2) "as" constr(H) :=
Tactic
Notation
"iExists"
uconstr
(
x1
)
:
=
iStartProof
;
eapply
tac_exist
;
[
let
P
:
=
match
goal
with

FromExist
?P
_
=>
P
end
in
apply
_

fail
"iExists:"
P
"not an existential"
[
apply
_

let
P
:
=
match
goal
with

FromExist
?P
_
=>
P
end
in
fail
"iExists:"
P
"not an existential"

cbv
beta
;
eexists
x1
].
Tactic
Notation
"iExists"
uconstr
(
x1
)
","
uconstr
(
x2
)
:
=
...
...
@@ 715,8 +750,9 @@ Local Tactic Notation "iExistDestruct" constr(H)
"as"
simple_intropattern
(
x
)
constr
(
Hx
)
:
=
eapply
tac_exist_destruct
with
H
_
Hx
_
_;
(* (i:=H) (j:=Hx) *)
[
env_reflexivity

fail
"iExistDestruct:"
H
"not found"

let
P
:
=
match
goal
with

IntoExist
?P
_
=>
P
end
in
apply
_

fail
"iExistDestruct: cannot destruct"
P
]
;

apply
_

let
P
:
=
match
goal
with

IntoExist
?P
_
=>
P
end
in
fail
"iExistDestruct: cannot destruct"
P
]
;
let
y
:
=
fresh
in
intros
y
;
eexists
;
split
;
[
env_reflexivity

fail
"iExistDestruct:"
Hx
"not fresh"
...
...
@@ 747,15 +783,17 @@ Tactic Notation "iNext":= iNext _.
Tactic
Notation
"iModIntro"
:
=
iStartProof
;
eapply
tac_modal_intro
;
[
let
P
:
=
match
goal
with

FromModal
?P
_
=>
P
end
in
apply
_

fail
"iModIntro:"
P
"not a modality"
].
[
apply
_

let
P
:
=
match
goal
with

FromModal
?P
_
=>
P
end
in
fail
"iModIntro:"
P
"not a modality"
].
Tactic
Notation
"iModCore"
constr
(
H
)
:
=
eapply
tac_modal_elim
with
_
H
_
_
_
_;
[
env_reflexivity

fail
"iMod:"
H
"not found"

let
P
:
=
match
goal
with

ElimModal
?P
_
_
_
=>
P
end
in

apply
_

let
P
:
=
match
goal
with

ElimModal
?P
_
_
_
=>
P
end
in
let
Q
:
=
match
goal
with

ElimModal
_
_
?Q
_
=>
Q
end
in
apply
_

fail
"iMod: cannot eliminate modality "
P
"in"
Q
fail
"iMod: cannot eliminate modality "
P
"in"
Q

env_reflexivity
].
(** * Basic destruct tactic *)
...
...
@@ 1386,8 +1424,9 @@ Local Tactic Notation "iRewriteCore" constr(lr) open_constr(lem) "in" constr(H)
eapply
(
tac_rewrite_in
_
Heq
_
_
H
_
_
lr
)
;
[
env_reflexivity

fail
"iRewrite:"
Heq
"not found"

env_reflexivity

fail
"iRewrite:"
H
"not found"

let
P
:
=
match
goal
with

?P
⊢
_
=>
P
end
in
apply
:
reflexivity

fail
"iRewrite:"
P
"not an equality"

apply
:
reflexivity

let
P
:
=
match
goal
with

?P
⊢
_
=>
P
end
in
fail
"iRewrite:"
P
"not an equality"

iRewriteFindPred

intros
???
>
;
reflexivity

env_reflexivity

lazy
beta
;
iClear
Heq
]).
...
...
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