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POTTIER Francois
alphaLib
Commits
9b252108
Commit
9b252108
authored
Feb 01, 2017
by
POTTIER Francois
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Add Toolbox.mli.
parent
f1d7e3a4
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9b252108
(* This functor is applied to a type of terms, equipped with visitor classes.
It produces a toolbox of useful functions that operate on terms. *)
module
Make
(
Term
:
ToolboxInput
.
INPUT
)
:
sig
open
Term
(* A raw term is one where every name is represented as a string. This form
is typically produced by a parser, and consumed by a printer. It is not
used internally. *)
type
raw_term
=
(
string
,
string
)
term
(* A nominal term is one where every name is represented as an atom. Although
this is not visible in this type definition, we may additionally impose a
Global Uniqueness Hypothesis (GUH), that is, we may require every binding
name occurrence to carry a distinct atom. *)
type
nominal_term
=
(
Atom
.
t
,
Atom
.
t
)
term
val
fa_term
:
nominal_term
->
Atom
.
Set
.
t
val
filter_term
:
(
Atom
.
t
->
bool
)
->
nominal_term
->
Atom
.
t
option
val
closed_term
:
nominal_term
->
bool
val
occurs_term
:
Atom
.
t
->
nominal_term
->
bool
exception
IllFormed
of
Atom
.
t
(* = Atom.Set.NonDisjointUnion *)
val
ba_term
:
nominal_term
->
Atom
.
Set
.
t
val
ba_terms
:
nominal_term
list
->
Atom
.
Set
.
t
val
wf_term
:
nominal_term
->
bool
val
wf_terms
:
nominal_term
list
->
bool
val
copy_term
:
nominal_term
->
nominal_term
val
show_term
:
nominal_term
->
raw_term
exception
Unbound
of
string
(* = KitImport.Unbound *)
val
import_term
:
KitImport
.
env
->
raw_term
->
nominal_term
val
export_term
:
KitExport
.
env
->
nominal_term
->
raw_term
val
size_term
:
(
_
,
_
)
term
->
int
val
equiv_term
:
nominal_term
->
nominal_term
->
bool
val
subst_term_term
:
nominal_term
Atom
.
Map
.
t
->
nominal_term
->
nominal_term
val
subst_term_term1
:
nominal_term
->
Atom
.
t
->
nominal_term
->
nominal_term
end
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