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stdpp
Commits
7bb46268
Commit
7bb46268
authored
Oct 28, 2017
by
Ralf Jung
Browse files
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Merge branch 'master' of
https://gitlab.mpisws.org/robbertkrebbers/coqstdpp
parents
b6d60979
0d0be97b
Changes
7
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7 changed files
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43 additions
and
27 deletions
+43
27
theories/base.v
theories/base.v
+32
16
theories/collections.v
theories/collections.v
+3
3
theories/fin_maps.v
theories/fin_maps.v
+1
1
theories/finite.v
theories/finite.v
+1
1
theories/hlist.v
theories/hlist.v
+2
2
theories/list.v
theories/list.v
+1
1
theories/option.v
theories/option.v
+3
3
No files found.
theories/base.v
View file @
7bb46268
...
...
@@ 5,18 +5,32 @@ that are used throughout the whole development. Most importantly it contains
abstract interfaces for ordered structures, collections, and various other data
structures. *)
Global
Generalizable
All
Variables
.
Global
Unset
Transparent
Obligations
.
From
Coq
Require
Export
Morphisms
RelationClasses
List
Bool
Utf8
Setoid
.
Set
Default
Proof
Using
"Type"
.
Export
ListNotations
.
From
Coq
.
Program
Require
Export
Basics
Syntax
.
(* Tweak program: don't let it automatically simplify obligations and hide
them from the results of the [Search] commands. *)
(** * Tweak program *)
(** 1. Since we only use Program to solve logical sideconditions, they should
always be made Opaque, otherwise we end up with performance problems due to
Coq blindly unfolding them.
Note that in most cases we use [Next Obligation. (* ... *) Qed.], for which
this option does not matter. However, sometimes we write things like
[Solve Obligations with naive_solver (* ... *)], and then the obligations
should surely be opaque. *)
Global
Unset
Transparent
Obligations
.
(** 2. Do not let Program automatically simplify obligations. The default
obligation tactic is [Tactics.program_simpl], which, among other things,
introduces all variables and gives them fresh names. As such, it becomes
impossible to refer to hypotheses in a robust way. *)
Obligation
Tactic
:
=
idtac
.
(** 3. Hide obligations from the results of the [Search] commands. *)
Add
Search
Blacklist
"_obligation_"
.
(** Sealing off definitions *)
(**
*
Sealing off definitions *)
Section
seal
.
Local
Set
Primitive
Projections
.
Record
seal
{
A
}
(
f
:
A
)
:
=
{
unseal
:
A
;
seal_eq
:
unseal
=
f
}.
...
...
@@ 24,7 +38,7 @@ End seal.
Arguments
unseal
{
_
_
}
_
:
assert
.
Arguments
seal_eq
{
_
_
}
_
:
assert
.
(** Typeclass opaque definitions *)
(**
*
Typeclass opaque definitions *)
(* The constant [tc_opaque] is used to make definitions opaque for just type
class search. Note that [simpl] is set up to always unfold [tc_opaque]. *)
Definition
tc_opaque
{
A
}
(
x
:
A
)
:
A
:
=
x
.
...
...
@@ 865,23 +879,26 @@ Notation "(≫= f )" := (mbind f) (only parsing) : C_scope.
Notation
"(≫=)"
:
=
(
λ
m
f
,
mbind
f
m
)
(
only
parsing
)
:
C_scope
.
Notation
"x ← y ; z"
:
=
(
y
≫
=
(
λ
x
:
_
,
z
))
(
at
level
65
,
only
parsing
,
right
associativity
)
:
C_scope
.
(
at
level
100
,
only
parsing
,
right
associativity
)
:
C_scope
.
Infix
"<$>"
:
=
fmap
(
at
level
60
,
right
associativity
)
:
C_scope
.
Notation
"' ( x1 , x2 ) ← y ; z"
:
=
(
y
≫
=
(
λ
x
:
_
,
let
'
(
x1
,
x2
)
:
=
x
in
z
))
(
at
level
65
,
only
parsing
,
right
associativity
)
:
C_scope
.
(
at
level
100
,
z
at
level
200
,
only
parsing
,
right
associativity
)
:
C_scope
.
Notation
"' ( x1 , x2 , x3 ) ← y ; z"
:
=
(
y
≫
=
(
λ
x
:
_
,
let
'
(
x1
,
x2
,
x3
)
:
=
x
in
z
))
(
at
level
65
,
only
parsing
,
right
associativity
)
:
C_scope
.
(
at
level
100
,
z
at
level
200
,
only
parsing
,
right
associativity
)
:
C_scope
.
Notation
"' ( x1 , x2 , x3 , x4 ) ← y ; z"
:
=
(
y
≫
=
(
λ
x
:
_
,
let
'
(
x1
,
x2
,
x3
,
x4
)
:
=
x
in
z
))
(
at
level
65
,
only
parsing
,
right
associativity
)
:
C_scope
.
(
at
level
100
,
z
at
level
200
,
only
parsing
,
right
associativity
)
:
C_scope
.
Notation
"' ( x1 , x2 , x3 , x4 , x5 ) ← y ; z"
:
=
(
y
≫
=
(
λ
x
:
_
,
let
'
(
x1
,
x2
,
x3
,
x4
,
x5
)
:
=
x
in
z
))
(
at
level
65
,
only
parsing
,
right
associativity
)
:
C_scope
.
(
at
level
100
,
z
at
level
200
,
only
parsing
,
right
associativity
)
:
C_scope
.
Notation
"' ( x1 , x2 , x3 , x4 , x5 , x6 ) ← y ; z"
:
=
(
y
≫
=
(
λ
x
:
_
,
let
'
(
x1
,
x2
,
x3
,
x4
,
x5
,
x6
)
:
=
x
in
z
))
(
at
level
65
,
only
parsing
,
right
associativity
)
:
C_scope
.
(
at
level
100
,
z
at
level
200
,
only
parsing
,
right
associativity
)
:
C_scope
.
Notation
"x ;; z"
:
=
(
x
≫
=
λ
_
,
z
)
(
at
level
100
,
z
at
level
200
,
only
parsing
,
right
associativity
)
:
C_scope
.
Notation
"ps .*1"
:
=
(
fmap
(
M
:
=
list
)
fst
ps
)
(
at
level
10
,
format
"ps .*1"
).
...
...
@@ 891,11 +908,10 @@ Notation "ps .*2" := (fmap (M:=list) snd ps)
Class
MGuard
(
M
:
Type
→
Type
)
:
=
mguard
:
∀
P
{
dec
:
Decision
P
}
{
A
},
(
P
→
M
A
)
→
M
A
.
Arguments
mguard
_
_
_
!
_
_
_
/
:
assert
.
Notation
"'guard' P ; o"
:
=
(
mguard
P
(
λ
_
,
o
))
(
at
level
65
,
only
parsing
,
right
associativity
)
:
C_scope
.
Notation
"'guard' P 'as' H ; o"
:
=
(
mguard
P
(
λ
H
,
o
))
(
at
level
65
,
only
parsing
,
right
associativity
)
:
C_scope
.
Notation
"'guard' P ; z"
:
=
(
mguard
P
(
λ
_
,
z
))
(
at
level
100
,
z
at
level
200
,
only
parsing
,
right
associativity
)
:
C_scope
.
Notation
"'guard' P 'as' H ; z"
:
=
(
mguard
P
(
λ
H
,
z
))
(
at
level
100
,
z
at
level
200
,
only
parsing
,
right
associativity
)
:
C_scope
.
(** * Operations on maps *)
(** In this section we define operational type classes for the operations
...
...
theories/collections.v
View file @
7bb46268
...
...
@@ 797,7 +797,7 @@ Global Instance collection_guard `{CollectionMonad M} : MGuard M :=
Section
collection_monad_base
.
Context
`
{
CollectionMonad
M
}.
Lemma
elem_of_guard
`
{
Decision
P
}
{
A
}
(
x
:
A
)
(
X
:
M
A
)
:
x
∈
guard
P
;
X
↔
P
∧
x
∈
X
.
(
x
∈
guard
P
;
X
)
↔
P
∧
x
∈
X
.
Proof
.
unfold
mguard
,
collection_guard
;
simpl
;
case_match
;
rewrite
?elem_of_empty
;
naive_solver
.
...
...
@@ 805,7 +805,7 @@ Section collection_monad_base.
Lemma
elem_of_guard_2
`
{
Decision
P
}
{
A
}
(
x
:
A
)
(
X
:
M
A
)
:
P
→
x
∈
X
→
x
∈
guard
P
;
X
.
Proof
.
by
rewrite
elem_of_guard
.
Qed
.
Lemma
guard_empty
`
{
Decision
P
}
{
A
}
(
X
:
M
A
)
:
guard
P
;
X
≡
∅
↔
¬
P
∨
X
≡
∅
.
Lemma
guard_empty
`
{
Decision
P
}
{
A
}
(
X
:
M
A
)
:
(
guard
P
;
X
)
≡
∅
↔
¬
P
∨
X
≡
∅
.
Proof
.
rewrite
!
elem_of_equiv_empty
;
setoid_rewrite
elem_of_guard
.
destruct
(
decide
P
)
;
naive_solver
.
...
...
@@ 945,7 +945,7 @@ Section collection_monad.
Lemma
collection_bind_singleton
{
A
B
}
(
f
:
A
→
M
B
)
x
:
{[
x
]}
≫
=
f
≡
f
x
.
Proof
.
set_solver
.
Qed
.
Lemma
collection_guard_True
{
A
}
`
{
Decision
P
}
(
X
:
M
A
)
:
P
→
guard
P
;
X
≡
X
.
Lemma
collection_guard_True
{
A
}
`
{
Decision
P
}
(
X
:
M
A
)
:
P
→
(
guard
P
;
X
)
≡
X
.
Proof
.
set_solver
.
Qed
.
Lemma
collection_fmap_compose
{
A
B
C
}
(
f
:
A
→
B
)
(
g
:
B
→
C
)
(
X
:
M
A
)
:
g
∘
f
<$>
X
≡
g
<$>
(
f
<$>
X
).
...
...
theories/fin_maps.v
View file @
7bb46268
...
...
@@ 1212,7 +1212,7 @@ End more_merge.
(** Properties of the zip_with function *)
Lemma
map_lookup_zip_with
{
A
B
C
}
(
f
:
A
→
B
→
C
)
(
m1
:
M
A
)
(
m2
:
M
B
)
i
:
map_zip_with
f
m1
m2
!!
i
=
x
←
m1
!!
i
;
y
←
m2
!!
i
;
Some
(
f
x
y
).
map_zip_with
f
m1
m2
!!
i
=
(
x
←
m1
!!
i
;
y
←
m2
!!
i
;
Some
(
f
x
y
)
).
Proof
.
unfold
map_zip_with
.
rewrite
lookup_merge
by
done
.
by
destruct
(
m1
!!
i
),
(
m2
!!
i
).
...
...
theories/finite.v
View file @
7bb46268
...
...
@@ 72,7 +72,7 @@ Definition encode_fin `{Finite A} (x : A) : fin (card A) :=
Fin
.
of_nat_lt
(
encode_lt_card
x
).
Program
Definition
decode_fin
`
{
Finite
A
}
(
i
:
fin
(
card
A
))
:
A
:
=
match
Some_dec
(
decode_nat
i
)
return
_
with

inleft
(
exist
_
x
_
)
=>
x

inright
_
=>
_

inleft
(
x
↾
_
)
=>
x

inright
_
=>
_
end
.
Next
Obligation
.
intros
A
??
i
?
;
exfalso
.
...
...
theories/hlist.v
View file @
7bb46268
...
...
@@ 40,10 +40,10 @@ Definition hlam {A As B} (f : A → himpl As B) : himpl (tcons A As) B := f.
Arguments
hlam
_
_
_
_
_
/
:
assert
.
Definition
hcurry
{
As
B
}
(
f
:
himpl
As
B
)
(
xs
:
hlist
As
)
:
B
:
=
(
fix
go
As
xs
:
=
(
fix
go
{
As
}
xs
:
=
match
xs
in
hlist
As
return
himpl
As
B
→
B
with

hnil
=>
λ
f
,
f

@
hcons
A
As
x
xs
=>
λ
f
,
go
As
xs
(
f
x
)

hcons
x
xs
=>
λ
f
,
go
xs
(
f
x
)
end
)
_
xs
f
.
Coercion
hcurry
:
himpl
>>
Funclass
.
...
...
theories/list.v
View file @
7bb46268
...
...
@@ 3394,7 +3394,7 @@ Section zip_with.
Forall2
P
l
k
→
length
(
zip_with
f
l
k
)
=
length
k
.
Proof
.
induction
1
;
simpl
;
auto
.
Qed
.
Lemma
lookup_zip_with
l
k
i
:
zip_with
f
l
k
!!
i
=
x
←
l
!!
i
;
y
←
k
!!
i
;
Some
(
f
x
y
).
zip_with
f
l
k
!!
i
=
(
x
←
l
!!
i
;
y
←
k
!!
i
;
Some
(
f
x
y
)
).
Proof
.
revert
k
i
.
induction
l
;
intros
[??]
[?]
;
f_equal
/=
;
auto
.
by
destruct
(
_
!!
_
).
...
...
theories/option.v
View file @
7bb46268
...
...
@@ 336,13 +336,13 @@ Tactic Notation "case_option_guard" :=
let
H
:
=
fresh
in
case_option_guard
as
H
.
Lemma
option_guard_True
{
A
}
P
`
{
Decision
P
}
(
mx
:
option
A
)
:
P
→
guard
P
;
mx
=
mx
.
P
→
(
guard
P
;
mx
)
=
mx
.
Proof
.
intros
.
by
case_option_guard
.
Qed
.
Lemma
option_guard_False
{
A
}
P
`
{
Decision
P
}
(
mx
:
option
A
)
:
¬
P
→
guard
P
;
mx
=
None
.
¬
P
→
(
guard
P
;
mx
)
=
None
.
Proof
.
intros
.
by
case_option_guard
.
Qed
.
Lemma
option_guard_iff
{
A
}
P
Q
`
{
Decision
P
,
Decision
Q
}
(
mx
:
option
A
)
:
(
P
↔
Q
)
→
guard
P
;
mx
=
guard
Q
;
mx
.
(
P
↔
Q
)
→
(
guard
P
;
mx
)
=
guard
Q
;
mx
.
Proof
.
intros
[??].
repeat
case_option_guard
;
intuition
.
Qed
.
Tactic
Notation
"simpl_option"
"by"
tactic3
(
tac
)
:
=
...
...
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