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Rodolphe Lepigre
Iris
Commits
5fa04408
Commit
5fa04408
authored
Aug 14, 2019
by
Ralf Jung
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update one_shot_once
parent
ffccb508
Changes
2
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2 changed files
with
24 additions
and
16 deletions
+24
16
tests/one_shot_once.ref
tests/one_shot_once.ref
+5
1
tests/one_shot_once.v
tests/one_shot_once.v
+19
15
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tests/one_shot_once.ref
View file @
5fa04408
...
...
@@ 35,5 +35,9 @@
"Hγ" : own γ (Shot m')
∗
={⊤ ∖ ↑N}=> ▷ one_shot_inv γ l
∗ WP InjRV #m = InjRV #m' {{ v, ⌜v = #true⌝ ∧ ▷ True }}
∗ WP let: "y'" := InjRV #m' in
match: InjRV #m with
InjL <> => #()
 InjR <> => assert: InjRV #m = "y'"
end {{ _, True }}
tests/one_shot_once.v
View file @
5fa04408
...
...
@@ 15,9 +15,10 @@ Definition one_shot_example : val := λ: <>,
assert
:
CAS
"x"
NONE
(
SOME
"n"
)),
(* check *)
(
λ
:
<>,
let
:
"y"
:
=
!
"x"
in
λ
:
<>,
let
:
"y'"
:
=
!
"x"
in
match
:
"y"
with
NONE
=>
#()

SOME
<>
=>
assert
:
"y"
=
!
"x
"

SOME
<>
=>
assert
:
"y"
=
"y'
"
end
)).
Definition
one_shotR
:
=
csumR
fracR
(
agreeR
ZO
).
...
...
@@ 37,6 +38,8 @@ Definition one_shot_inv (γ : gname) (l : loc) : iProp Σ :=
(
l
↦
NONEV
∗
own
γ
(
Pending
(
1
/
2
)%
Qp
)
∨
∃
n
:
Z
,
l
↦
SOMEV
#
n
∗
own
γ
(
Shot
n
))%
I
.
Local
Hint
Extern
0
(
environments
.
envs_entails
_
(
one_shot_inv
_
_
))
=>
unfold
one_shot_inv
.
Lemma
pending_split
γ
q
:
own
γ
(
Pending
q
)
⊣
⊢
own
γ
(
Pending
(
q
/
2
))
∗
own
γ
(
Pending
(
q
/
2
)).
Proof
.
...
...
@@ 86,17 +89,18 @@ Proof.
+
Show
.
iSplit
.
iLeft
;
by
iSplitL
"Hl"
.
eauto
.
+
iSplit
.
iRight
;
iExists
m
;
by
iSplitL
"Hl"
.
eauto
.
}
iSplitL
"Hinv"
;
first
by
eauto
.
iModIntro
.
wp_pures
.
iIntros
"!#"
.
wp_lam
.
iDestruct
"Hv"
as
"[%Hv]"
;
last
iDestruct
"Hv"
as
(
m
)
"[% Hγ']"
;
subst
;
wp_match
;
[
done
].
wp_pures
.
iApply
wp_assert
.
wp_bind
(!
_
)%
E
.
iInv
N
as
"[[Hl >Hγ]H]"
;
last
iDestruct
"H"
as
(
m'
)
"[Hl Hγ]"
.
iModIntro
.
wp_pures
.
iIntros
"!#"
.
wp_lam
.
wp_bind
(!
_
)%
E
.
iInv
N
as
"Hinv"
.
iDestruct
"Hv"
as
"[%Hv]"
;
last
iDestruct
"Hv"
as
(
m
)
"[% Hγ']"
;
subst
.
+
iDestruct
"Hinv"
as
"[[Hl >Hγ]H]"
;
last
iDestruct
"H"
as
(
m'
)
"[Hl Hγ]"
;
wp_load
;
iModIntro
;
(
iSplitL
"Hl Hγ"
;
first
by
eauto
with
iFrame
)
;
wp_pures
;
done
.
+
iDestruct
"Hinv"
as
"[[Hl >Hγ]H]"
;
last
iDestruct
"H"
as
(
m'
)
"[Hl Hγ]"
.
{
by
iDestruct
(
own_valid_2
with
"Hγ Hγ'"
)
as
%?.
}
wp_load
.
Show
.
iDestruct
(
own_valid_2
with
"Hγ Hγ'"
)
as
%?%
agree_op_invL'
;
subst
.
iModIntro
.
iSplitL
"Hl"
.
{
iNext
;
iRight
;
by
eauto
.
}
wp_pures
.
by
case_bool_decide
.
iModIntro
.
iSplitL
"Hl Hγ"
;
first
by
eauto
with
iFrame
.
wp_pures
.
iApply
wp_assert
.
wp_op
.
by
case_bool_decide
.
Qed
.
Lemma
ht_one_shot
(
Φ
:
val
→
iProp
Σ
)
:
...
...
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