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6d43651e
Commit
6d43651e
authored
May 10, 2016
by
Robbert Krebbers
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Better errors messages for wp heap tactics.
parent
81c0aaee
Pipeline
#928
passed with stage
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61
heap_lang/proofmode.v
heap_lang/proofmode.v
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heap_lang/proofmode.v
View file @
6d43651e
...
...
@@ 94,88 +94,105 @@ Tactic Notation "wp_apply" open_constr(lem) :=
Tactic
Notation
"wp_alloc"
ident
(
l
)
"as"
constr
(
H
)
:
=
lazymatch
goal
with


_
⊢
wp
?E
?e
?Q
=>
reshape_expr
e
ltac
:
(
fun
K
e'
=>
match
eval
hnf
in
e'
with

Alloc
?e
=>
wp_bind
K
;
eapply
tac_wp_alloc
with
_
_
H
_;
[
wp_done

fail
2
"wp_alloc:"
e
"not a value"

iAssumption

fail
2
"wp_alloc: cannot find heap_ctx"

done

eauto
with
ndisj

apply
_

intros
l
;
eexists
;
split
;
[
env_cbv
;
reflexivity

fail
2
"wp_alloc:"
H
"not fresh"

wp_finish
]]
end
)

fail
"wp_alloc: cannot find 'Alloc' in"
e


_
⊢
wp
?E
?e
?Q
=>
first
[
reshape_expr
e
ltac
:
(
fun
K
e'
=>
match
eval
hnf
in
e'
with
Alloc
_
=>
wp_bind
K
end
)

fail
1
"wp_alloc: cannot find 'Alloc' in"
e
]
;
eapply
tac_wp_alloc
with
_
_
H
_;
[
let
e'
:
=
match
goal
with

to_val
?e'
=
_
=>
e'
end
in
wp_done

fail
"wp_alloc:"
e'
"not a value"

iAssumption

fail
"wp_alloc: cannot find heap_ctx"

done

eauto
with
ndisj

apply
_

first
[
intros
l

fail
1
"wp_alloc:"
l
"not fresh"
]
;
eexists
;
split
;
[
env_cbv
;
reflexivity

fail
"wp_alloc:"
H
"not fresh"

wp_finish
]]

_
=>
fail
"wp_alloc: not a 'wp'"
end
.
Tactic
Notation
"wp_alloc"
ident
(
l
)
:
=
let
H
:
=
iFresh
in
wp_alloc
l
as
H
.
Tactic
Notation
"wp_load"
:
=
lazymatch
goal
with


_
⊢
wp
?E
?e
?Q
=>
reshape_expr
e
ltac
:
(
fun
K
e'
=>
match
eval
hnf
in
e'
with

Load
?l
=>
wp_bind
K
;
eapply
tac_wp_load
;
[
iAssumption

fail
2
"wp_load: cannot find heap_ctx"

done

eauto
with
ndisj

apply
_

iAssumptionCore

fail
2
"wp_cas_fail: cannot find"
l
"↦ ?"

wp_finish
]
end
)

fail
"wp_load: cannot find 'Load' in"
e


_
⊢
wp
?E
?e
?Q
=>
first
[
reshape_expr
e
ltac
:
(
fun
K
e'
=>
match
eval
hnf
in
e'
with
Load
_
=>
wp_bind
K
end
)

fail
1
"wp_load: cannot find 'Load' in"
e
]
;
eapply
tac_wp_load
;
[
iAssumption

fail
"wp_load: cannot find heap_ctx"

done

eauto
with
ndisj

apply
_

let
l
:
=
match
goal
with

_
=
Some
(
_
,
(
?l
↦
{
_
}
_
)%
I
)
=>
l
end
in
iAssumptionCore

fail
"wp_cas_fail: cannot find"
l
"↦ ?"

wp_finish
]

_
=>
fail
"wp_load: not a 'wp'"
end
.
Tactic
Notation
"wp_store"
:
=
lazymatch
goal
with


_
⊢
wp
?E
?e
?Q
=>
reshape_expr
e
ltac
:
(
fun
K
e'
=>
match
eval
hnf
in
e'
with

Store
?l
?e
=>
wp_bind
K
;
eapply
tac_wp_store
;
[
wp_done

fail
2
"wp_store:"
e
"not a value"

iAssumption

fail
2
"wp_store: cannot find heap_ctx"

done

eauto
with
ndisj

apply
_

iAssumptionCore

fail
2
"wp_store: cannot find"
l
"↦ ?"

env_cbv
;
reflexivity

wp_finish
]
end
)

fail
"wp_store: cannot find 'Store' in"
e


_
⊢
wp
?E
?e
?Q
=>
first
[
reshape_expr
e
ltac
:
(
fun
K
e'
=>
match
eval
hnf
in
e'
with
Store
_
_
=>
wp_bind
K
end
)

fail
1
"wp_store: cannot find 'Store' in"
e
]
;
eapply
tac_wp_store
;
[
let
e'
:
=
match
goal
with

to_val
?e'
=
_
=>
e'
end
in
wp_done

fail
"wp_store:"
e'
"not a value"

iAssumption

fail
"wp_store: cannot find heap_ctx"

done

eauto
with
ndisj

apply
_

let
l
:
=
match
goal
with

_
=
Some
(
_
,
(
?l
↦
{
_
}
_
)%
I
)
=>
l
end
in
iAssumptionCore

fail
"wp_store: cannot find"
l
"↦ ?"

env_cbv
;
reflexivity

wp_finish
]

_
=>
fail
"wp_store: not a 'wp'"
end
.
Tactic
Notation
"wp_cas_fail"
:
=
lazymatch
goal
with


_
⊢
wp
?E
?e
?Q
=>
reshape_expr
e
ltac
:
(
fun
K
e'
=>
match
eval
hnf
in
e'
with

CAS
?l
?e1
?e2
=>
wp_bind
K
;
eapply
tac_wp_cas_fail
;
[
wp_done

fail
2
"wp_cas_fail:"
e1
"not a value"

wp_done

fail
2
"wp_cas_fail:"
e2
"not a value"

iAssumption

fail
2
"wp_cas_fail: cannot find heap_ctx"

done

eauto
with
ndisj

apply
_

iAssumptionCore

fail
2
"wp_cas_fail: cannot find"
l
"↦ ?"

try
congruence

wp_finish
]
end
)

fail
"wp_cas_fail: cannot find 'CAS' in"
e


_
⊢
wp
?E
?e
?Q
=>
first
[
reshape_expr
e
ltac
:
(
fun
K
e'
=>
match
eval
hnf
in
e'
with
CAS
_
_
_
=>
wp_bind
K
end
)

fail
1
"wp_cas_fail: cannot find 'CAS' in"
e
]
;
eapply
tac_wp_cas_fail
;
[
let
e'
:
=
match
goal
with

to_val
?e'
=
_
=>
e'
end
in
wp_done

fail
"wp_cas_fail:"
e'
"not a value"

let
e'
:
=
match
goal
with

to_val
?e'
=
_
=>
e'
end
in
wp_done

fail
"wp_cas_fail:"
e'
"not a value"

iAssumption

fail
"wp_cas_fail: cannot find heap_ctx"

done

eauto
with
ndisj

apply
_

let
l
:
=
match
goal
with

_
=
Some
(
_
,
(
?l
↦
{
_
}
_
)%
I
)
=>
l
end
in
iAssumptionCore

fail
"wp_cas_fail: cannot find"
l
"↦ ?"

try
congruence

wp_finish
]

_
=>
fail
"wp_cas_fail: not a 'wp'"
end
.
Tactic
Notation
"wp_cas_suc"
:
=
lazymatch
goal
with


_
⊢
wp
?E
?e
?Q
=>
reshape_expr
e
ltac
:
(
fun
K
e'
=>
match
eval
hnf
in
e'
with

CAS
?l
?e1
?e2
=>
wp_bind
K
;
eapply
tac_wp_cas_suc
;
[
wp_done

fail
2
"wp_cas_suc:"
e1
"not a value"

wp_done

fail
2
"wp_cas_suc:"
e1
"not a value"

iAssumption

fail
2
"wp_cas_suc: cannot find heap_ctx"

done

eauto
with
ndisj

apply
_

iAssumptionCore

fail
2
"wp_cas_suc: cannot find"
l
"↦ ?"

try
congruence

env_cbv
;
reflexivity

wp_finish
]
end
)

fail
"wp_cas_suc: cannot find 'CAS' in"
e


_
⊢
wp
?E
?e
?Q
=>
first
[
reshape_expr
e
ltac
:
(
fun
K
e'
=>
match
eval
hnf
in
e'
with
CAS
_
_
_
=>
wp_bind
K
end
)

fail
1
"wp_cas_suc: cannot find 'CAS' in"
e
]
;
eapply
tac_wp_cas_suc
;
[
let
e'
:
=
match
goal
with

to_val
?e'
=
_
=>
e'
end
in
wp_done

fail
"wp_cas_suc:"
e'
"not a value"

let
e'
:
=
match
goal
with

to_val
?e'
=
_
=>
e'
end
in
wp_done

fail
"wp_cas_suc:"
e'
"not a value"

iAssumption

fail
"wp_cas_suc: cannot find heap_ctx"

done

eauto
with
ndisj

apply
_

let
l
:
=
match
goal
with

_
=
Some
(
_
,
(
?l
↦
{
_
}
_
)%
I
)
=>
l
end
in
iAssumptionCore

fail
"wp_cas_suc: cannot find"
l
"↦ ?"

try
congruence

env_cbv
;
reflexivity

wp_finish
]

_
=>
fail
"wp_cas_suc: not a 'wp'"
end
.
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