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Iris
Iris
Commits
948c5116
Commit
948c5116
authored
Jan 24, 2018
by
JacquesHenri Jourdan
Browse files
Make sure all the itactics fail if the do not go through the proof mode.
parent
2693eb84
Pipeline
#6404
passed with stages
in 3 minutes and 37 seconds
Changes
2
Pipelines
1
Hide whitespace changes
Inline
Sidebyside
theories/heap_lang/proofmode.v
View file @
948c5116
...
...
@@ 15,7 +15,7 @@ Lemma tac_twp_expr_eval `{heapG Σ} Δ s E Φ e e' :
Proof
.
by
intros
>.
Qed
.
Tactic
Notation
"wp_expr_eval"
tactic
(
t
)
:
=
try
iStartProof
;
iStartProof
;
try
(
first
[
eapply
tac_wp_expr_eval

eapply
tac_twp_expr_eval
]
;
[
t
;
reflexivity
]).
...
...
theories/proofmode/tactics.v
View file @
948c5116
...
...
@@ 58,12 +58,6 @@ Tactic Notation "iMatchHyp" tactic1(tac) :=
Tactic
Notation
"iStartProof"
:
=
lazymatch
goal
with


envs_entails
_
_
=>
idtac
(* In the case the goal starts with a let, we want [iIntros (x)] to
not unfold the variable, but instead introduce it as with Coq's
intros.*)


let
_
:
=
_
in
_
=>
fail


?
φ
=>
eapply
(
as_valid_2
φ
)
;
[
apply
_

fail
"iStartProof: not a Bi entailment"

apply
tac_adequate
]
...
...
@@ 80,9 +74,6 @@ Tactic Notation "iStartProof" uconstr(PROP) :=
type_term has a nonnegligeable performance impact. *)
let
x
:
=
type_term
(
eq_refl
:
@
eq
Type
PROP
PROP'
)
in
idtac


let
_
:
=
_
in
_
=>
intro


∀
_
,
_
=>
intro
(* We etaexpand [as_valid_2], in order to make sure that
[iStartProof PROP] works even if [PROP] is the carrier type. In
this case, typing this expression will end up unifying PROP with
...
...
@@ 96,8 +87,7 @@ Tactic Notation "iStartProof" uconstr(PROP) :=
(** * Simplification *)
Tactic
Notation
"iEval"
tactic
(
t
)
:
=
try
iStartProof
;
try
(
eapply
tac_eval
;
[
t
;
reflexivity
]).
iStartProof
;
try
(
eapply
tac_eval
;
[
t
;
reflexivity
]).
Tactic
Notation
"iSimpl"
:
=
iEval
simpl
.
...
...
@@ 150,7 +140,7 @@ Tactic Notation "iClear" constr(Hs) :=

ESelPure
::
?Hs
=>
clear
;
go
Hs

ESelIdent
_
?H
::
?Hs
=>
iClearHyp
H
;
go
Hs
end
in
let
Hs
:
=
iElaborateSelPat
Hs
in
go
Hs
.
let
Hs
:
=
iElaborateSelPat
Hs
in
iStartProof
;
go
Hs
.
Tactic
Notation
"iClear"
"("
ident_list
(
xs
)
")"
constr
(
Hs
)
:
=
iClear
Hs
;
clear
xs
.
...
...
@@ 253,12 +243,14 @@ Local Ltac iFrameFinish :=
end
.
Local
Ltac
iFramePure
t
:
=
iStartProof
;
let
φ
:
=
type
of
t
in
eapply
(
tac_frame_pure
_
_
_
_
t
)
;
[
apply
_

fail
"iFrame: cannot frame"
φ

iFrameFinish
].
Local
Ltac
iFrameHyp
H
:
=
iStartProof
;
eapply
tac_frame
with
_
H
_
_
_;
[
env_reflexivity

fail
"iFrame:"
H
"not found"

apply
_

...
...
@@ 270,6 +262,7 @@ Local Ltac iFrameAnyPure :=
repeat
match
goal
with
H
:
_

_
=>
iFramePure
H
end
.
Local
Ltac
iFrameAnyPersistent
:
=
iStartProof
;
let
rec
go
Hs
:
=
match
Hs
with
[]
=>
idtac

?H
::
?Hs
=>
repeat
iFrameHyp
H
;
go
Hs
end
in
match
goal
with
...
...
@@ 278,6 +271,7 @@ Local Ltac iFrameAnyPersistent :=
end
.
Local
Ltac
iFrameAnySpatial
:
=
iStartProof
;
let
rec
go
Hs
:
=
match
Hs
with
[]
=>
idtac

?H
::
?Hs
=>
try
iFrameHyp
H
;
go
Hs
end
in
match
goal
with
...
...
@@ 342,16 +336,20 @@ Tactic Notation "iFrame" "(" constr(t1) constr(t2) constr(t3) constr(t4)
(** * Basic introduction tactics *)
Local
Tactic
Notation
"iIntro"
"("
simple_intropattern
(
x
)
")"
:
=
try
iStartProof
;
lazymatch
goal
with


envs_entails
_
_
=>
eapply
tac_forall_intro
;
[
apply
_

let
P
:
=
match
goal
with

FromForall
?P
_
=>
P
end
in
fail
"iIntro: cannot turn"
P
"into a universal quantifier"

lazy
beta
;
intros
x
]


_
=>
intros
x
end
.
(* In the case the goal starts with an [let x := _ in _], we do not
want to unfold x and start the proof mode. Instead, we want to
use intros. So [iStartProof] has to be called only if [intros]
fails *)
intros
x

(
iStartProof
;
lazymatch
goal
with


envs_entails
_
_
=>
eapply
tac_forall_intro
;
[
apply
_

let
P
:
=
match
goal
with

FromForall
?P
_
=>
P
end
in
fail
"iIntro: cannot turn"
P
"into a universal quantifier"

lazy
beta
;
intros
x
]
end
).
Local
Tactic
Notation
"iIntro"
constr
(
H
)
:
=
iStartProof
;
...
...
@@ 394,11 +392,10 @@ Local Tactic Notation "iIntro" "#" constr(H) :=

fail
"iIntro: nothing to introduce"
].
Local
Tactic
Notation
"iIntro"
"_"
:
=
try
iStartProof
;
first
[
(* (?Q → _) *)
apply
tac_impl_intro_drop
[
(* (?Q → _) *)
iStartProof
;
apply
tac_impl_intro_drop

(* (_ ∗ _) *)
apply
tac_wand_intro_drop
;
iStartProof
;
apply
tac_wand_intro_drop
;
[
apply
_

let
P
:
=
match
goal
with

TCOr
(
Affine
?P
)
_
=>
P
end
in
fail
1
"iIntro:"
P
"not affine and the goal not absorbing"
...
...
@@ 407,18 +404,25 @@ Local Tactic Notation "iIntro" "_" :=

fail
1
"iIntro: nothing to introduce"
].
Local
Tactic
Notation
"iIntroForall"
:
=
try
iStartProof
;
lazymatch
goal
with


∀
_
,
?P
=>
fail
(* actually an →, this is handled by iIntro below *)


∀
_
,
_
=>
intro


envs_entails
_
(
∀
x
:
_
,
_
)
=>
let
x'
:
=
fresh
x
in
iIntro
(
x'
)


let
_
:
=
_
in
_
=>
intro


_
=>
iStartProof
;
lazymatch
goal
with


envs_entails
_
(
∀
x
:
_
,
_
)
=>
let
x'
:
=
fresh
x
in
iIntro
(
x'
)
end
end
.
Local
Tactic
Notation
"iIntro"
:
=
try
iStartProof
;
lazymatch
goal
with


_
→
?P
=>
intro


envs_entails
_
(
_

∗
_
)
=>
iIntro
(?)

let
H
:
=
iFresh
in
iIntro
#
H

iIntro
H


envs_entails
_
(
_
→
_
)
=>
iIntro
(?)

let
H
:
=
iFresh
in
iIntro
#
H

iIntro
H


_
=>
iStartProof
;
lazymatch
goal
with


envs_entails
_
(
_

∗
_
)
=>
iIntro
(?)

let
H
:
=
iFresh
in
iIntro
#
H

iIntro
H


envs_entails
_
(
_
→
_
)
=>
iIntro
(?)

let
H
:
=
iFresh
in
iIntro
#
H

iIntro
H
end
end
.
(** * Specialize *)
...
...
@@ 632,7 +636,7 @@ eliminations may not be performed when type classes have not been resolved.
*)
Tactic
Notation
"iPoseProofCore"
open_constr
(
lem
)
"as"
constr
(
p
)
constr
(
lazy_tc
)
tactic
(
tac
)
:
=
try
iStartProof
;
iStartProof
;
let
Htmp
:
=
iFresh
in
let
t
:
=
lazymatch
lem
with
ITrm
?t
?xs
?pat
=>
t

_
=>
lem
end
in
let
t
:
=
lazymatch
type
of
t
with
string
=>
constr
:
(
INamed
t
)

_
=>
t
end
in
...
...
@@ 1011,32 +1015,36 @@ Tactic Notation "iDestructHyp" constr(H) "as" "(" simple_intropattern(x1)
(** * Introduction tactic *)
Tactic
Notation
"iIntros"
constr
(
pat
)
:
=
let
rec
go
pats
:
=
let
rec
go
pats
startproof
:
=
lazymatch
pats
with

[]
=>
idtac

[]
=>
lazymatch
startproof
with

true
=>
iStartProof

false
=>
idtac
end
(* Optimizations to avoid generating fresh names *)

IPureElim
::
?pats
=>
iIntro
(?)
;
go
pats

IAlwaysElim
(
IIdent
?H
)
::
?pats
=>
iIntro
#
H
;
go
pats

IDrop
::
?pats
=>
iIntro
_;
go
pats

IIdent
?H
::
?pats
=>
iIntro
H
;
go
pats

IPureElim
::
?pats
=>
iIntro
(?)
;
go
pats
startproof

IAlwaysElim
(
IIdent
?H
)
::
?pats
=>
iIntro
#
H
;
go
pats
false

IDrop
::
?pats
=>
iIntro
_;
go
pats
startproof

IIdent
?H
::
?pats
=>
iIntro
H
;
go
pats
startproof
(* Introduction patterns that can only occur at the toplevel *)

IPureIntro
::
?pats
=>
iPureIntro
;
go
pats

IAlwaysIntro
::
?pats
=>
iAlways
;
go
pats

IModalIntro
::
?pats
=>
iModIntro
;
go
pats

IForall
::
?pats
=>
repeat
iIntroForall
;
go
pats

IAll
::
?pats
=>
repeat
(
iIntroForall

iIntro
)
;
go
pats

IPureIntro
::
?pats
=>
iPureIntro
;
go
pats
false

IAlwaysIntro
::
?pats
=>
iAlways
;
go
pats
false

IModalIntro
::
?pats
=>
iModIntro
;
go
pats
false

IForall
::
?pats
=>
repeat
iIntroForall
;
go
pats
startproof

IAll
::
?pats
=>
repeat
(
iIntroForall

iIntro
)
;
go
pats
startproof
(* Clearing and simplifying introduction patterns *)

ISimpl
::
?pats
=>
simpl
;
go
pats

IClear
?H
::
?pats
=>
iClear
H
;
go
pats

IClearFrame
?H
::
?pats
=>
iFrame
H
;
go
pats

IDone
::
?pats
=>
try
done
;
go
pats

ISimpl
::
?pats
=>
simpl
;
go
pats
startproof

IClear
?H
::
?pats
=>
iClear
H
;
go
pats
false

IClearFrame
?H
::
?pats
=>
iFrame
H
;
go
pats
false

IDone
::
?pats
=>
try
done
;
go
pats
startproof
(* Introduction + destruct *)

IAlwaysElim
?pat
::
?pats
=>
let
H
:
=
iFresh
in
iIntro
#
H
;
iDestructHyp
H
as
pat
;
go
pats
let
H
:
=
iFresh
in
iIntro
#
H
;
iDestructHyp
H
as
pat
;
go
pats
false

?pat
::
?pats
=>
let
H
:
=
iFresh
in
iIntro
H
;
iDestructHyp
H
as
pat
;
go
pats
let
H
:
=
iFresh
in
iIntro
H
;
iDestructHyp
H
as
pat
;
go
pats
false
end
in
let
pats
:
=
intro_pat
.
parse
pat
in
try
iStartProof
;
go
pats
.
in
let
pats
:
=
intro_pat
.
parse
pat
in
go
pats
true
.
Tactic
Notation
"iIntros"
:
=
iIntros
[
IAll
].
Tactic
Notation
"iIntros"
"("
simple_intropattern
(
x1
)
")"
:
=
...
...
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