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Simon Spies
Iris
Commits
475425da
Commit
475425da
authored
Jun 18, 2019
by
Ralf Jung
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explain why we do the left/right thing to solve vals_cas_compare_safe
parent
b3217e8f
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1
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18 additions
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6 deletions
+18
6
theories/heap_lang/proofmode.v
theories/heap_lang/proofmode.v
+18
6
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theories/heap_lang/proofmode.v
View file @
475425da
...
...
@@ 543,7 +543,9 @@ Tactic Notation "wp_cas" "as" simple_intropattern(H1) "" simple_intropattern(H2
[
iSolveTC

solve_mapsto
()

pm_reflexivity

try
(
fast_done

(
left
;
fast_done
)

(
right
;
fast_done
))
(* vals_cas_compare_safe *)

(* vals_cas_compare_safe. This is a disjunction, so to solve cases like
[True ∨ False] we need to call [left]/[right]. *)
try
(
fast_done

(
left
;
fast_done
)

(
right
;
fast_done
))

intros
H1
;
wp_finish

intros
H2
;
wp_finish
]


envs_entails
_
(
twp
?E
?e
?Q
)
=>
...
...
@@ 552,7 +554,9 @@ Tactic Notation "wp_cas" "as" simple_intropattern(H1) "" simple_intropattern(H2

fail
1
"wp_cas: cannot find 'CAS' in"
e
]
;
[
solve_mapsto
()

pm_reflexivity

try
(
fast_done

(
left
;
fast_done
)

(
right
;
fast_done
))
(* vals_cas_compare_safe *)

(* vals_cas_compare_safe. This is a disjunction, so to solve cases like
[True ∨ False] we need to call [left]/[right]. *)
try
(
fast_done

(
left
;
fast_done
)

(
right
;
fast_done
))

intros
H1
;
wp_finish

intros
H2
;
wp_finish
]

_
=>
fail
"wp_cas: not a 'wp'"
...
...
@@ 571,7 +575,9 @@ Tactic Notation "wp_cas_fail" :=
[
iSolveTC

solve_mapsto
()

try
(
simpl
;
congruence
)
(* value inequality *)

try
(
fast_done

(
left
;
fast_done
)

(
right
;
fast_done
))
(* vals_cas_compare_safe *)

(* vals_cas_compare_safe. This is a disjunction, so to solve cases like
[True ∨ False] we need to call [left]/[right]. *)
try
(
fast_done

(
left
;
fast_done
)

(
right
;
fast_done
))

wp_finish
]


envs_entails
_
(
twp
?s
?E
?e
?Q
)
=>
first
...
...
@@ 579,7 +585,9 @@ Tactic Notation "wp_cas_fail" :=

fail
1
"wp_cas_fail: cannot find 'CAS' in"
e
]
;
[
solve_mapsto
()

try
(
simpl
;
congruence
)
(* value inequality *)

try
(
fast_done

(
left
;
fast_done
)

(
right
;
fast_done
))
(* vals_cas_compare_safe *)

(* vals_cas_compare_safe. This is a disjunction, so to solve cases like
[True ∨ False] we need to call [left]/[right]. *)
try
(
fast_done

(
left
;
fast_done
)

(
right
;
fast_done
))

wp_finish
]

_
=>
fail
"wp_cas_fail: not a 'wp'"
end
.
...
...
@@ 598,7 +606,9 @@ Tactic Notation "wp_cas_suc" :=

solve_mapsto
()

pm_reflexivity

try
(
simpl
;
congruence
)
(* value equality *)

try
(
fast_done

(
left
;
fast_done
)

(
right
;
fast_done
))
(* vals_cas_compare_safe *)

(* vals_cas_compare_safe. This is a disjunction, so to solve cases like
[True ∨ False] we need to call [left]/[right]. *)
try
(
fast_done

(
left
;
fast_done
)

(
right
;
fast_done
))

wp_finish
]


envs_entails
_
(
twp
?s
?E
?e
?Q
)
=>
first
...
...
@@ 607,7 +617,9 @@ Tactic Notation "wp_cas_suc" :=
[
solve_mapsto
()

pm_reflexivity

try
(
simpl
;
congruence
)
(* value equality *)

try
(
fast_done

(
left
;
fast_done
)

(
right
;
fast_done
))
(* vals_cas_compare_safe *)

(* vals_cas_compare_safe. This is a disjunction, so to solve cases like
[True ∨ False] we need to call [left]/[right]. *)
try
(
fast_done

(
left
;
fast_done
)

(
right
;
fast_done
))

wp_finish
]

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