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Merge branch 'master' of https://github.com/github/linguist into pro

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This commit is contained in:
Paul Chaignon
2014-02-21 16:49:46 +01:00
parent 2beb450df6 a34398eb92
commit d94bffb198
18 changed files with 2518 additions and 32 deletions
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24
lib/linguist/languages.yml
View File

@@ -53,6 +53,18 @@ ASP:
- .aspx
- .axd
ATS:
type: programming
color: "#1ac620"
primary_extension: .dats
lexer: OCaml
aliases:
- ats2
extensions:
- .atxt
- .hats
- .sats
ActionScript:
type: programming
lexer: ActionScript 3
@@ -92,6 +104,8 @@ AppleScript:
primary_extension: .applescript
extensions:
- .scpt
interpreters:
- osascript
Arc:
type: programming
@@ -214,6 +228,7 @@ C:
color: "#555"
primary_extension: .c
extensions:
- .cats
- .w
C#:
@@ -832,6 +847,13 @@ JSON5:
lexer: JavaScript
primary_extension: .json5
JSONLD:
type: data
group: JavaScript
ace_mode: json
lexer: JavaScript
primary_extension: .jsonld
Jade:
group: HTML
type: markup
@@ -1389,6 +1411,7 @@ R:
primary_extension: .r
extensions:
- .R
- .rsx
filenames:
- .Rprofile
interpreters:
@@ -1553,6 +1576,7 @@ Scheme:
color: "#1e4aec"
primary_extension: .scm
extensions:
- .sld
- .sls
- .ss
interpreters:

752
lib/linguist/samples.json
View File

@@ -20,6 +20,12 @@
".asc",
".asciidoc"
],
"ATS": [
".atxt",
".dats",
".hats",
".sats"
],
"AutoHotkey": [
".ahk"
],
@@ -37,6 +43,7 @@
],
"C": [
".c",
".cats",
".h"
],
"C#": [
@@ -52,6 +59,9 @@
"Ceylon": [
".ceylon"
],
"Cirru": [
".cirru"
],
"Clojure": [
".cl2",
".clj",
@@ -176,6 +186,9 @@
"JSON5": [
".json5"
],
"JSONLD": [
".jsonld"
],
"Julia": [
".jl"
],
@@ -330,6 +343,7 @@
".pde"
],
"Prolog": [
".ecl",
".pl",
".prolog"
],
@@ -342,6 +356,7 @@
],
"R": [
".R",
".rsx",
".script!"
],
"Racket": [
@@ -535,8 +550,8 @@
".gemrc"
]
},
"tokens_total": 445429,
"languages_total": 523,
"tokens_total": 450519,
"languages_total": 547,
"tokens": {
"ABAP": {
"*/**": 1,
@@ -2032,6 +2047,561 @@
".Section": 1,
"list": 1
},
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"#include": 16,
"staload": 25,
"_": 25,
"sortdef": 2,
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"type": 30,
"-": 49,
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")": 567,
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},
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@@ -2961,7 +3531,7 @@
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},
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@@ -2969,10 +3539,10 @@
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@@ -3001,11 +3571,11 @@
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@@ -3086,7 +3656,7 @@
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@@ -3885,6 +4455,13 @@
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@@ -4121,7 +4698,6 @@
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@@ -4817,6 +5393,15 @@
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@@ -5072,7 +5657,6 @@
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@@ -12715,6 +13297,43 @@
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},
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@@ -39026,12 +39652,56 @@
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@@ -39047,8 +39717,6 @@
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"type": 1
},
"Racket": {
";": 3,
@@ -47790,15 +48472,17 @@
"AppleScript": 1862,
"Arduino": 20,
"AsciiDoc": 103,
"ATS": 4558,
"AutoHotkey": 3,
"Awk": 544,
"BlitzBasic": 2065,
"Bluespec": 1298,
"Brightscript": 579,
"C": 59004,
"C": 59053,
"C#": 278,
"C++": 31181,
"Ceylon": 50,
"Cirru": 244,
"Clojure": 510,
"COBOL": 90,
"CoffeeScript": 2951,
@@ -47834,6 +48518,7 @@
"JavaScript": 76934,
"JSON": 183,
"JSON5": 57,
"JSONLD": 18,
"Julia": 247,
"Kotlin": 155,
"KRL": 25,
@@ -47880,10 +48565,10 @@
"PostScript": 107,
"PowerShell": 12,
"Processing": 74,
"Prolog": 267,
"Prolog": 468,
"Protocol Buffer": 63,
"Python": 5715,
"R": 175,
"R": 195,
"Racket": 331,
"Ragel in Ruby Host": 593,
"RDoc": 279,
@@ -47932,15 +48617,17 @@
"AppleScript": 7,
"Arduino": 1,
"AsciiDoc": 3,
"ATS": 10,
"AutoHotkey": 1,
"Awk": 1,
"BlitzBasic": 3,
"Bluespec": 2,
"Brightscript": 1,
"C": 27,
"C": 29,
"C#": 2,
"C++": 27,
"Ceylon": 1,
"Cirru": 9,
"Clojure": 7,
"COBOL": 4,
"CoffeeScript": 9,
@@ -47976,6 +48663,7 @@
"JavaScript": 20,
"JSON": 4,
"JSON5": 2,
"JSONLD": 1,
"Julia": 1,
"Kotlin": 1,
"KRL": 1,
@@ -48022,10 +48710,10 @@
"PostScript": 1,
"PowerShell": 2,
"Processing": 1,
"Prolog": 2,
"Prolog": 3,
"Protocol Buffer": 1,
"Python": 7,
"R": 2,
"R": 3,
"Racket": 2,
"Ragel in Ruby Host": 3,
"RDoc": 1,
@@ -48066,5 +48754,5 @@
"Xtend": 2,
"YAML": 1
},
"md5": "a46f14929a6e9e4356fda95beb035439"
"md5": "8815515b1699aba1650cc4e4b81587fd"
}

3
lib/linguist/vendor.yml
View File

@@ -47,6 +47,9 @@
# Debian packaging
- ^debian/
# Haxelib projects often contain a neko bytecode file named run.n
- run.n$
## Commonly Bundled JavaScript frameworks ##
# jQuery

110
samples/ATS/CoYonedaLemma.dats Normal file
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@@ -0,0 +1,110 @@
(* ****** ****** *)
//
// HX-2014-01
// CoYoneda Lemma:
//
(* ****** ****** *)
//
#include
"share/atspre_staload.hats"
//
(* ****** ****** *)
staload
"libats/ML/SATS/basis.sats"
staload
"libats/ML/SATS/list0.sats"
(* ****** ****** *)
staload _ = "libats/ML/DATS/list0.dats"
(* ****** ****** *)
sortdef ftype = type -> type
(* ****** ****** *)
infixr (->) ->>
typedef ->> (a:type, b:type) = a -<cloref1> b
(* ****** ****** *)
typedef
functor(F:ftype) =
{a,b:type} (a ->> b) ->> F(a) ->> F(b)
(* ****** ****** *)
typedef
list0 (a:type) = list0 (a)
extern
val functor_list0 : functor (list0)
(* ****** ****** *)
implement
functor_list0{a,b}
(f) = lam xs => list0_map<a><b> (xs, f)
(* ****** ****** *)
datatype
CoYoneda
(F:ftype, r:type) = {a:type} CoYoneda of (a ->> r, F(a))
// end of [CoYoneda]
(* ****** ****** *)
//
extern
fun CoYoneda_phi
: {F:ftype}functor(F) -> {r:type} (F (r) ->> CoYoneda (F, r))
extern
fun CoYoneda_psi
: {F:ftype}functor(F) -> {r:type} (CoYoneda (F, r) ->> F (r))
//
(* ****** ****** *)
implement
CoYoneda_phi(ftor) = lam (fx) => CoYoneda (lam x => x, fx)
implement
CoYoneda_psi(ftor) = lam (CoYoneda(f, fx)) => ftor (f) (fx)
(* ****** ****** *)
datatype int0 = I of (int)
datatype bool = True | False // boxed boolean
(* ****** ****** *)
//
fun bool2string
(x:bool): string =
(
case+ x of True() => "True" | False() => "False"
)
//
implement
fprint_val<bool> (out, x) = fprint (out, bool2string(x))
//
(* ****** ****** *)
fun int2bool (i: int0): bool =
let val+I(i) = i in if i > 0 then True else False end
(* ****** ****** *)
val myintlist0 = g0ofg1($list{int0}((I)1, (I)0, (I)1, (I)0, (I)0))
val myboolist0 = CoYoneda{list0,bool}{int0}(lam (i) => int2bool(i), myintlist0)
val myboolist0 = CoYoneda_psi{list0}(functor_list0){bool}(myboolist0)
(* ****** ****** *)
val ((*void*)) = fprintln! (stdout_ref, "myboolist0 = ", myboolist0)
(* ****** ****** *)
implement main0 () = ()
(* ****** ****** *)
(* end of [CoYonedaLemma.dats] *)

178
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@@ -0,0 +1,178 @@
(* ****** ****** *)
//
// HX-2013-11
//
// Implementing a variant of
// the problem of Dining Philosophers
//
(* ****** ****** *)
//
#include
"share/atspre_define.hats"
#include
"share/atspre_staload.hats"
//
(* ****** ****** *)
staload
UN = "prelude/SATS/unsafe.sats"
(* ****** ****** *)
staload "libc/SATS/stdlib.sats"
staload "libc/SATS/unistd.sats"
(* ****** ****** *)
staload "{$LIBATSHWXI}/teaching/mythread/SATS/channel.sats"
(* ****** ****** *)
staload _ = "libats/DATS/deqarray.dats"
staload _ = "{$LIBATSHWXI}/teaching/mythread/DATS/channel.dats"
(* ****** ****** *)
staload "./DiningPhil2.sats"
(* ****** ****** *)
implement phil_left (n) = n
implement phil_right (n) = (n+1) \nmod NPHIL
(* ****** ****** *)
//
extern
fun randsleep (n: intGte(1)): void
//
implement
randsleep (n) =
ignoret (sleep($UN.cast{uInt}(rand() mod n + 1)))
// end of [randsleep]
//
(* ****** ****** *)
implement
phil_think (n) =
{
val () = println! ("phil_think(", n, ") starts")
val () = randsleep (6)
val () = println! ("phil_think(", n, ") finishes")
}
(* ****** ****** *)
implement
phil_dine (n, lf, rf) =
{
val () = println! ("phil_dine(", n, ") starts")
val () = randsleep (3)
val () = println! ("phil_dine(", n, ") finishes")
}
(* ****** ****** *)
implement
phil_loop (n) = let
//
val () = phil_think (n)
//
val nl = phil_left (n)
val nr = phil_right (n)
//
val ch_lfork = fork_changet (nl)
val ch_rfork = fork_changet (nr)
//
val lf = channel_takeout (ch_lfork)
val () = println! ("phil_loop(", n, ") picks left fork")
//
val () = randsleep (2) // HX: try to actively induce deadlock
//
val rf = channel_takeout (ch_rfork)
val () = println! ("phil_loop(", n, ") picks right fork")
//
val () = phil_dine (n, lf, rf)
//
val ch_forktray = forktray_changet ()
val () = channel_insert (ch_forktray, lf)
val () = channel_insert (ch_forktray, rf)
//
in
phil_loop (n)
end // end of [phil_loop]
(* ****** ****** *)
implement
cleaner_wash (f) =
{
val f = fork_get_num (f)
val () = println! ("cleaner_wash(", f, ") starts")
val () = randsleep (1)
val () = println! ("cleaner_wash(", f, ") finishes")
}
(* ****** ****** *)
implement
cleaner_return (f) =
{
val n = fork_get_num (f)
val ch = fork_changet (n)
val () = channel_insert (ch, f)
}
(* ****** ****** *)
implement
cleaner_loop () = let
//
val ch = forktray_changet ()
val f0 = channel_takeout (ch)
//
val () = cleaner_wash (f0)
val () = cleaner_return (f0)
//
in
cleaner_loop ()
end // end of [cleaner_loop]
(* ****** ****** *)
dynload "DiningPhil2.sats"
dynload "DiningPhil2_fork.dats"
dynload "DiningPhil2_thread.dats"
(* ****** ****** *)
local
//
staload
"{$LIBATSHWXI}/teaching/mythread/SATS/mythread.sats"
//
in (* in of [local] *)
//
val () = mythread_create_cloptr (llam () => phil_loop (0))
val () = mythread_create_cloptr (llam () => phil_loop (1))
val () = mythread_create_cloptr (llam () => phil_loop (2))
val () = mythread_create_cloptr (llam () => phil_loop (3))
val () = mythread_create_cloptr (llam () => phil_loop (4))
//
val () = mythread_create_cloptr (llam () => cleaner_loop ())
//
end // end of [local]
(* ****** ****** *)
implement
main0 () =
{
//
val () = println! ("DiningPhil2: starting")
val ((*void*)) = while (true) ignoret (sleep(1))
//
} (* end of [main0] *)
(* ****** ****** *)
(* end of [DiningPhil2.dats] *)

71
samples/ATS/DiningPhil2.sats Normal file
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@@ -0,0 +1,71 @@
(* ****** ****** *)
//
// HX-2013-11
//
// Implementing a variant of
// the problem of Dining Philosophers
//
(* ****** ****** *)
#include
"share/atspre_define.hats"
(* ****** ****** *)
staload "{$LIBATSHWXI}/teaching/mythread/SATS/channel.sats"
(* ****** ****** *)
%{#
#define NPHIL 5
%} // end of [%{#]
#define NPHIL 5
(* ****** ****** *)
typedef nphil = natLt(NPHIL)
(* ****** ****** *)
fun phil_left (n: nphil): nphil
fun phil_right (n: nphil): nphil
(* ****** ****** *)
//
fun phil_loop (n: nphil): void
//
(* ****** ****** *)
fun cleaner_loop ((*void*)): void
(* ****** ****** *)
absvtype fork_vtype = ptr
vtypedef fork = fork_vtype
(* ****** ****** *)
fun fork_get_num (!fork): nphil
(* ****** ****** *)
fun phil_dine
(n: nphil, lf: !fork, rf: !fork): void
// end of [phil_dine]
fun phil_think (n: nphil): void
(* ****** ****** *)
fun cleaner_wash (f: !fork): void
fun cleaner_return (f: fork): void
(* ****** ****** *)
//
fun fork_changet (n: nphil): channel(fork)
//
fun forktray_changet ((*void*)): channel(fork)
//
(* ****** ****** *)
(* end of [DiningPhil2.sats] *)

89
samples/ATS/DiningPhil2_fork.dats Normal file
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@@ -0,0 +1,89 @@
(* ****** ****** *)
//
// HX-2013-11
//
// Implementing a variant of
// the problem of Dining Philosophers
//
(* ****** ****** *)
//
#include
"share/atspre_define.hats"
#include
"share/atspre_staload.hats"
//
(* ****** ****** *)
staload
UN = "prelude/SATS/unsafe.sats"
(* ****** ****** *)
staload "{$LIBATSHWXI}/teaching/mythread/SATS/channel.sats"
(* ****** ****** *)
staload _ = "libats/DATS/deqarray.dats"
staload _ = "{$LIBATSHWXI}/teaching/mythread/DATS/channel.dats"
(* ****** ****** *)
staload "./DiningPhil2.sats"
(* ****** ****** *)
datavtype fork = FORK of (nphil)
(* ****** ****** *)
assume fork_vtype = fork
(* ****** ****** *)
implement
fork_get_num (f) = let val FORK(n) = f in n end
(* ****** ****** *)
local
val
the_forkarray = let
//
typedef t = channel(fork)
//
implement
array_tabulate$fopr<t>
(n) = ch where
{
val n = $UN.cast{nphil}(n)
val ch = channel_create_exn<fork> (i2sz(2))
val () = channel_insert (ch, FORK (n))
}
//
in
arrayref_tabulate<t> (i2sz(NPHIL))
end // end of [val]
in (* in of [local] *)
implement fork_changet (n) = the_forkarray[n]
end // end of [local]
(* ****** ****** *)
local
val the_forktray =
channel_create_exn<fork> (i2sz(NPHIL+1))
in (* in of [local] *)
implement forktray_changet () = the_forktray
end // end of [local]
(* ****** ****** *)
(* end of [DiningPhil2_fork.dats] *)

43
samples/ATS/DiningPhil2_thread.dats Normal file
View File

@@ -0,0 +1,43 @@
(* ****** ****** *)
//
// HX-2013-11
//
// Implementing a variant of
// the problem of Dining Philosophers
//
(* ****** ****** *)
//
#include "share/atspre_define.hats"
#include "share/atspre_staload.hats"
//
(* ****** ****** *)
staload "{$LIBATSHWXI}/teaching/mythread/SATS/mythread.sats"
(* ****** ****** *)
local
//
#include "{$LIBATSHWXI}/teaching/mythread/DATS/mythread.dats"
//
in (* in of [local] *)
//
// HX: it is intentionally left to be empty
//
end // end of [local]
(* ****** ****** *)
local
//
#include "{$LIBATSHWXI}/teaching/mythread/DATS/mythread_posix.dats"
//
in (* in of [local] *)
//
// HX: it is intentionally left to be empty
//
end // end of [local]
(* ****** ****** *)
(* end of [DiningPhil2_thread.dats] *)

178
samples/ATS/YonedaLemma.dats Normal file
View File

@@ -0,0 +1,178 @@
(* ****** ****** *)
//
// HX-2014-01
// Yoneda Lemma:
// The hardest "trivial" theorem :)
//
(* ****** ****** *)
//
#include
"share/atspre_staload.hats"
//
(* ****** ****** *)
staload
"libats/ML/SATS/basis.sats"
staload
"libats/ML/SATS/list0.sats"
staload
"libats/ML/SATS/option0.sats"
(* ****** ****** *)
staload _ = "libats/ML/DATS/list0.dats"
staload _ = "libats/ML/DATS/option0.dats"
(* ****** ****** *)
sortdef ftype = type -> type
(* ****** ****** *)
infixr (->) ->>
typedef ->> (a:type, b:type) = a -<cloref1> b
(* ****** ****** *)
typedef
functor(F:ftype) =
{a,b:type} (a ->> b) ->> F(a) ->> F(b)
(* ****** ****** *)
typedef
list0 (a:type) = list0 (a)
extern
val functor_list0 : functor (list0)
(* ****** ****** *)
implement
functor_list0{a,b}
(f) = lam xs => list0_map<a><b> (xs, f)
(* ****** ****** *)
typedef
option0 (a:type) = option0 (a)
extern
val functor_option0 : functor (option0)
(* ****** ****** *)
implement
functor_option0{a,b}
(f) = lam opt => option0_map<a><b> (opt, f)
(* ****** ****** *)
extern
val functor_homres
: {c:type} functor (lam(r:type) => c ->> r)
(* ****** ****** *)
implement
functor_homres{c}{a,b} (f) = lam (r) => lam (x) => f (r(x))
(* ****** ****** *)
//
extern
fun Yoneda_phi : {F:ftype}functor(F) ->
{a:type}F(a) ->> ({r:type}(a ->> r) ->> F(r))
extern
fun Yoneda_psi : {F:ftype}functor(F) ->
{a:type}({r:type}(a ->> r) ->> F(r)) ->> F(a)
//
(* ****** ****** *)
//
implement
Yoneda_phi
(ftor) = lam(fx) => lam (m) => ftor(m)(fx)
//
implement
Yoneda_psi (ftor) = lam(mf) => mf(lam x => x)
//
(* ****** ****** *)
(*
(* ****** ****** *)
//
// HX-2014-01-05:
// Another version based on Natural Transformation
//
(* ****** ****** *)
typedef
natrans(F:ftype, G:ftype) = {x:type} (F(x) ->> G(x))
(* ****** ****** *)
//
extern
fun Yoneda_phi_nat : {F:ftype}functor(F) ->
{a:type} F(a) ->> natrans(lam (r:type) => (a ->> r), F)
extern
fun Yoneda_psi_nat : {F:ftype}functor(F) ->
{a:type} natrans(lam (r:type) => (a ->> r), F) ->> F(a)
//
(* ****** ****** *)
//
implement
Yoneda_phi_nat
(ftor) = lam(fx) => lam (m) => ftor(m)(fx)
//
implement
Yoneda_psi_nat (ftor) = lam(mf) => mf(lam x => x)
//
(* ****** ****** *)
*)
(* ****** ****** *)
datatype bool = True | False // boxed boolean
(* ****** ****** *)
//
fun bool2string
(x:bool): string =
(
case+ x of True() => "True" | False() => "False"
)
//
implement
fprint_val<bool> (out, x) = fprint (out, bool2string(x))
//
(* ****** ****** *)
//
val myboolist0 =
$list_t{bool}(True, False, True, False, False)
val myboolist0 = g0ofg1_list (myboolist0)
//
(* ****** ****** *)
//
extern
val Yoneda_bool_list0 : {r:type} (bool ->> r) ->> list0(r)
//
implement
Yoneda_bool_list0 =
Yoneda_phi(functor_list0){bool}(myboolist0)
//
(* ****** ****** *)
//
val myboolist1 =
Yoneda_psi(functor_list0){bool}(Yoneda_bool_list0)
//
(* ****** ****** *)
val () = fprintln! (stdout_ref, "myboolist0 = ", myboolist0)
val () = fprintln! (stdout_ref, "myboolist1 = ", myboolist1)
(* ****** ****** *)
implement main0 () = ()
(* ****** ****** *)
(* end of [YonedaLemma.dats] *)

187
samples/ATS/linset.hats Normal file
View File

@@ -0,0 +1,187 @@
(***********************************************************************)
(* *)
(* Applied Type System *)
(* *)
(***********************************************************************)
(*
** ATS/Postiats - Unleashing the Potential of Types!
** Copyright (C) 2011-2013 Hongwei Xi, ATS Trustful Software, Inc.
** All rights reserved
**
** ATS is free software; you can redistribute it and/or modify it under
** the terms of the GNU GENERAL PUBLIC LICENSE (GPL) as published by the
** Free Software Foundation; either version 3, or (at your option) any
** later version.
**
** ATS is distributed in the hope that it will be useful, but WITHOUT ANY
** WARRANTY; without even the implied warranty of MERCHANTABILITY or
** FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
** for more details.
**
** You should have received a copy of the GNU General Public License
** along with ATS; see the file COPYING. If not, please write to the
** Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
** 02110-1301, USA.
*)
(* ****** ****** *)
(* Author: Hongwei Xi *)
(* Authoremail: hwxi AT cs DOT bu DOT edu *)
(* Start time: December, 2012 *)
(* ****** ****** *)
//
// HX: shared by linset_listord (* ordered list *)
// HX: shared by linset_avltree (* AVL-tree-based *)
//
(* ****** ****** *)
//
// HX-2013-02:
// for sets of nonlinear elements
//
absvtype set_vtype (a:t@ype+) = ptr
//
(* ****** ****** *)
vtypedef set (a:t0p) = set_vtype (a)
(* ****** ****** *)
fun{a:t0p}
compare_elt_elt (x1: a, x2: a):<> int
(* ****** ****** *)
fun{} linset_nil{a:t0p} ():<> set(a)
fun{} linset_make_nil{a:t0p} ():<> set(a)
(* ****** ****** *)
fun{a:t0p} linset_sing (x: a):<!wrt> set(a)
fun{a:t0p} linset_make_sing (x: a):<!wrt> set(a)
(* ****** ****** *)
fun{a:t0p}
linset_make_list (xs: List(INV(a))):<!wrt> set(a)
(* ****** ****** *)
fun{}
linset_is_nil {a:t0p} (xs: !set(INV(a))):<> bool
fun{}
linset_isnot_nil {a:t0p} (xs: !set(INV(a))):<> bool
(* ****** ****** *)
fun{a:t0p} linset_size (!set(INV(a))): size_t
(* ****** ****** *)
fun{a:t0p}
linset_is_member (xs: !set(INV(a)), x0: a):<> bool
fun{a:t0p}
linset_isnot_member (xs: !set(INV(a)), x0: a):<> bool
(* ****** ****** *)
fun{a:t0p}
linset_copy (!set(INV(a))):<!wrt> set(a)
fun{a:t0p}
linset_free (xs: set(INV(a))):<!wrt> void
(* ****** ****** *)
//
fun{a:t0p}
linset_insert
(xs: &set(INV(a)) >> _, x0: a):<!wrt> bool
//
(* ****** ****** *)
//
fun{a:t0p}
linset_takeout
(
&set(INV(a)) >> _, a, res: &(a?) >> opt(a, b)
) :<!wrt> #[b:bool] bool(b) // endfun
fun{a:t0p}
linset_takeout_opt (&set(INV(a)) >> _, a):<!wrt> Option_vt(a)
//
(* ****** ****** *)
//
fun{a:t0p}
linset_remove
(xs: &set(INV(a)) >> _, x0: a):<!wrt> bool
//
(* ****** ****** *)
//
// HX: choosing an element in an unspecified manner
//
fun{a:t0p}
linset_choose
(
xs: !set(INV(a)), x: &a? >> opt (a, b)
) :<!wrt> #[b:bool] bool(b)
//
fun{a:t0p}
linset_choose_opt (xs: !set(INV(a))):<!wrt> Option_vt(a)
//
(* ****** ****** *)
fun{a:t0p}
linset_takeoutmax
(
xs: &set(INV(a)) >> _, res: &a? >> opt(a, b)
) :<!wrt> #[b:bool] bool (b)
fun{a:t0p}
linset_takeoutmax_opt (xs: &set(INV(a)) >> _):<!wrt> Option_vt(a)
(* ****** ****** *)
fun{a:t0p}
linset_takeoutmin
(
xs: &set(INV(a)) >> _, res: &a? >> opt(a, b)
) :<!wrt> #[b:bool] bool (b)
fun{a:t0p}
linset_takeoutmin_opt (xs: &set(INV(a)) >> _):<!wrt> Option_vt(a)
(* ****** ****** *)
//
fun{}
fprint_linset$sep (FILEref): void // ", "
//
fun{a:t0p}
fprint_linset (out: FILEref, xs: !set(INV(a))): void
//
overload fprint with fprint_linset
//
(* ****** ****** *)
//
fun{
a:t0p}{env:vt0p
} linset_foreach$fwork
(x: a, env: &(env) >> _): void
//
fun{a:t0p}
linset_foreach (set: !set(INV(a))): void
fun{
a:t0p}{env:vt0p
} linset_foreach_env
(set: !set(INV(a)), env: &(env) >> _): void
// end of [linset_foreach_env]
//
(* ****** ****** *)
fun{a:t0p}
linset_listize (xs: set(INV(a))): List0_vt (a)
(* ****** ****** *)
fun{a:t0p}
linset_listize1 (xs: !set(INV(a))): List0_vt (a)
(* ****** ****** *)
(* end of [linset.hats] *)

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(***********************************************************************)
(* *)
(* Applied Type System *)
(* *)
(***********************************************************************)
(*
** ATS/Postiats - Unleashing the Potential of Types!
** Copyright (C) 2011-2013 Hongwei Xi, ATS Trustful Software, Inc.
** All rights reserved
**
** ATS is free software; you can redistribute it and/or modify it under
** the terms of the GNU GENERAL PUBLIC LICENSE (GPL) as published by the
** Free Software Foundation; either version 3, or (at your option) any
** later version.
**
** ATS is distributed in the hope that it will be useful, but WITHOUT ANY
** WARRANTY; without even the implied warranty of MERCHANTABILITY or
** FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
** for more details.
**
** You should have received a copy of the GNU General Public License
** along with ATS; see the file COPYING. If not, please write to the
** Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
** 02110-1301, USA.
*)
(* ****** ****** *)
(* Author: Hongwei Xi *)
(* Authoremail: hwxi AT cs DOT bu DOT edu *)
(* Start time: February, 2013 *)
(* ****** ****** *)
//
// HX-2013-08:
// a set is represented as a sorted list in descending order;
// note that descending order is chosen to faciliate set comparison
//
(* ****** ****** *)
staload
UN = "prelude/SATS/unsafe.sats"
(* ****** ****** *)
staload "libats/SATS/linset_listord.sats"
(* ****** ****** *)
#include "./SHARE/linset.hats" // code reuse
#include "./SHARE/linset_node.hats" // code reuse
(* ****** ****** *)
assume
set_vtype (elt:t@ype) = List0_vt (elt)
(* ****** ****** *)
implement{}
linset_nil () = list_vt_nil ()
implement{}
linset_make_nil () = list_vt_nil ()
(* ****** ****** *)
implement
{a}(*tmp*)
linset_sing
(x) = list_vt_cons{a}(x, list_vt_nil)
// end of [linset_sing]
implement{a}
linset_make_sing
(x) = list_vt_cons{a}(x, list_vt_nil)
// end of [linset_make_sing]
(* ****** ****** *)
implement{}
linset_is_nil (xs) = list_vt_is_nil (xs)
implement{}
linset_isnot_nil (xs) = list_vt_is_cons (xs)
(* ****** ****** *)
implement{a}
linset_size (xs) =
let val n = list_vt_length(xs) in i2sz(n) end
// end of [linset_size]
(* ****** ****** *)
implement{a}
linset_is_member
(xs, x0) = let
//
fun aux
{n:nat} .<n>.
(
xs: !list_vt (a, n)
) :<> bool = let
in
//
case+ xs of
| list_vt_cons (x, xs) => let
val sgn = compare_elt_elt<a> (x0, x) in
if sgn > 0 then false else (if sgn < 0 then aux (xs) else true)
end // end of [list_vt_cons]
| list_vt_nil ((*void*)) => false
//
end // end of [aux]
//
in
aux (xs)
end // end of [linset_is_member]
(* ****** ****** *)
implement{a}
linset_copy (xs) = list_vt_copy<a> (xs)
implement{a}
linset_free (xs) = list_vt_free<a> (xs)
(* ****** ****** *)
implement{a}
linset_insert
(xs, x0) = let
//
fun
mynode_cons
{n:nat} .<>.
(
nx: mynode1 (a), xs: list_vt (a, n)
) : list_vt (a, n+1) = let
//
val xs1 =
$UN.castvwtp0{List1_vt(a)}(nx)
val+@list_vt_cons (_, xs2) = xs1
prval () = $UN.cast2void (xs2); val () = (xs2 := xs)
//
in
fold@ (xs1); xs1
end // end of [mynode_cons]
//
fun ins
{n:nat} .<n>. // tail-recursive
(
xs: &list_vt (a, n) >> list_vt (a, n1)
) : #[n1:nat | n <= n1; n1 <= n+1] bool =
(
case+ xs of
| @list_vt_cons
(x, xs1) => let
val sgn =
compare_elt_elt<a> (x0, x)
// end of [val]
in
if sgn > 0 then let
prval () = fold@ (xs)
val nx = mynode_make_elt<a> (x0)
val ((*void*)) = xs := mynode_cons (nx, xs)
in
false
end else if sgn < 0 then let
val ans = ins (xs1)
prval () = fold@ (xs)
in
ans
end else let // [x0] is found
prval () = fold@ (xs)
in
true (* [x0] in [xs] *)
end (* end of [if] *)
end // end of [list_vt_cons]
| list_vt_nil () => let
val nx = mynode_make_elt<a> (x0)
val ((*void*)) = xs := mynode_cons (nx, xs)
in
false
end // end of [list_vt_nil]
) (* end of [ins] *)
//
in
$effmask_all (ins (xs))
end // end of [linset_insert]
(* ****** ****** *)
(*
//
HX-2013-08:
[linset_remove] moved up
//
implement{a}
linset_remove
(xs, x0) = let
//
fun rem
{n:nat} .<n>. // tail-recursive
(
xs: &list_vt (a, n) >> list_vt (a, n1)
) : #[n1:nat | n1 <= n; n <= n1+1] bool =
(
case+ xs of
| @list_vt_cons
(x, xs1) => let
val sgn =
compare_elt_elt<a> (x0, x)
// end of [val]
in
if sgn > 0 then let
prval () = fold@ (xs)
in
false
end else if sgn < 0 then let
val ans = rem (xs1)
prval () = fold@ (xs)
in
ans
end else let // x0 = x
val xs1_ = xs1
val ((*void*)) = free@{a}{0}(xs)
val () = xs := xs1_
in
true // [x0] in [xs]
end (* end of [if] *)
end // end of [list_vt_cons]
| list_vt_nil () => false
) (* end of [rem] *)
//
in
$effmask_all (rem (xs))
end // end of [linset_remove]
*)
(* ****** ****** *)
(*
** By Brandon Barker
*)
implement
{a}(*tmp*)
linset_choose
(xs, x0) = let
in
//
case+ xs of
| list_vt_cons
(x, xs1) => let
val () = x0 := x
prval () = opt_some{a}(x0)
in
true
end // end of [list_vt_cons]
| list_vt_nil () => let
prval () = opt_none{a}(x0)
in
false
end // end of [list_vt_nil]
//
end // end of [linset_choose]
(* ****** ****** *)
implement
{a}{env}
linset_foreach_env (xs, env) = let
//
implement
list_vt_foreach$fwork<a><env>
(x, env) = linset_foreach$fwork<a><env> (x, env)
//
in
list_vt_foreach_env<a><env> (xs, env)
end // end of [linset_foreach_env]
(* ****** ****** *)
implement{a}
linset_listize (xs) = xs
(* ****** ****** *)
implement{a}
linset_listize1 (xs) = list_vt_copy (xs)
(* ****** ****** *)
//
// HX: functions for processing mynodes
//
(* ****** ****** *)
implement{
} mynode_null{a} () =
$UN.castvwtp0{mynode(a,null)}(the_null_ptr)
// end of [mynode_null]
(* ****** ****** *)
implement
{a}(*tmp*)
mynode_make_elt
(x) = let
//
val nx = list_vt_cons{a}{0}(x, _ )
//
in
$UN.castvwtp0{mynode1(a)}(nx)
end // end of [mynode_make_elt]
(* ****** ****** *)
implement{
} mynode_free
{a}(nx) = () where {
val nx =
$UN.castvwtp0{List1_vt(a)}(nx)
//
val+~list_vt_cons (_, nx2) = nx
//
prval ((*void*)) = $UN.cast2void (nx2)
//
} (* end of [mynode_free] *)
(* ****** ****** *)
implement
{a}(*tmp*)
mynode_get_elt
(nx) = (x) where {
//
val nx1 =
$UN.castvwtp1{List1_vt(a)}(nx)
//
val+list_vt_cons (x, _) = nx1
//
prval ((*void*)) = $UN.cast2void (nx1)
//
} (* end of [mynode_get_elt] *)
(* ****** ****** *)
implement
{a}(*tmp*)
mynode_set_elt
{l} (nx, x0) =
{
//
val nx1 =
$UN.castvwtp1{List1_vt(a)}(nx)
//
val+@list_vt_cons (x, _) = nx1
//
val () = x := x0
//
prval () = fold@ (nx1)
prval () = $UN.cast2void (nx1)
//
prval () = __assert (nx) where
{
extern praxi __assert (nx: !mynode(a?, l) >> mynode (a, l)): void
} (* end of [prval] *)
//
} (* end of [mynode_set_elt] *)
(* ****** ****** *)
implement
{a}(*tmp*)
mynode_getfree_elt
(nx) = (x) where {
//
val nx =
$UN.castvwtp0{List1_vt(a)}(nx)
//
val+~list_vt_cons (x, nx2) = nx
//
prval ((*void*)) = $UN.cast2void (nx2)
//
} (* end of [mynode_getfree_elt] *)
(* ****** ****** *)
(*
fun{a:t0p}
linset_takeout_ngc
(set: &set(INV(a)) >> _, x0: a):<!wrt> mynode0 (a)
// end of [linset_takeout_ngc]
*)
implement
{a}(*tmp*)
linset_takeout_ngc
(set, x0) = let
//
fun takeout
(
xs: &List0_vt (a) >> _
) : mynode0(a) = let
in
//
case+ xs of
| @list_vt_cons
(x, xs1) => let
prval pf_x = view@x
prval pf_xs1 = view@xs1
val sgn =
compare_elt_elt<a> (x0, x)
// end of [val]
in
if sgn > 0 then let
prval () = fold@ (xs)
in
mynode_null{a}((*void*))
end else if sgn < 0 then let
val res = takeout (xs1)
prval ((*void*)) = fold@ (xs)
in
res
end else let // x0 = x
val xs1_ = xs1
val res = $UN.castvwtp0{mynode1(a)}((pf_x, pf_xs1 | xs))
val () = xs := xs1_
in
res // [x0] in [xs]
end (* end of [if] *)
end // end of [list_vt_cons]
| list_vt_nil () => mynode_null{a}((*void*))
//
end (* end of [takeout] *)
//
in
$effmask_all (takeout (set))
end // end of [linset_takeout_ngc]
(* ****** ****** *)
implement
{a}(*tmp*)
linset_takeoutmax_ngc
(xs) = let
in
//
case+ xs of
| @list_vt_cons
(x, xs1) => let
prval pf_x = view@x
prval pf_xs1 = view@xs1
val xs_ = xs
val () = xs := xs1
in
$UN.castvwtp0{mynode1(a)}((pf_x, pf_xs1 | xs_))
end // end of [list_vt_cons]
| @list_vt_nil () => let
prval () = fold@ (xs)
in
mynode_null{a}((*void*))
end // end of [list_vt_nil]
//
end // end of [linset_takeoutmax_ngc]
(* ****** ****** *)
implement
{a}(*tmp*)
linset_takeoutmin_ngc
(xs) = let
//
fun unsnoc
{n:pos} .<n>.
(
xs: &list_vt (a, n) >> list_vt (a, n-1)
) :<!wrt> mynode1 (a) = let
//
val+@list_vt_cons (x, xs1) = xs
//
prval pf_x = view@x and pf_xs1 = view@xs1
//
in
//
case+ xs1 of
| list_vt_cons _ =>
let val res = unsnoc(xs1) in fold@xs; res end
// end of [list_vt_cons]
| list_vt_nil () => let
val xs_ = xs
val () = xs := list_vt_nil{a}()
in
$UN.castvwtp0{mynode1(a)}((pf_x, pf_xs1 | xs_))
end // end of [list_vt_nil]
//
end // end of [unsnoc]
//
in
//
case+ xs of
| list_vt_cons _ => unsnoc (xs)
| list_vt_nil () => mynode_null{a}((*void*))
//
end // end of [linset_takeoutmin_ngc]
(* ****** ****** *)
(* end of [linset_listord.dats] *)

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(***********************************************************************)
(* *)
(* Applied Type System *)
(* *)
(***********************************************************************)
(*
** ATS/Postiats - Unleashing the Potential of Types!
** Copyright (C) 2011-2013 Hongwei Xi, ATS Trustful Software, Inc.
** All rights reserved
**
** ATS is free software; you can redistribute it and/or modify it under
** the terms of the GNU GENERAL PUBLIC LICENSE (GPL) as published by the
** Free Software Foundation; either version 3, or (at your option) any
** later version.
**
** ATS is distributed in the hope that it will be useful, but WITHOUT ANY
** WARRANTY; without even the implied warranty of MERCHANTABILITY or
** FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
** for more details.
**
** You should have received a copy of the GNU General Public License
** along with ATS; see the file COPYING. If not, please write to the
** Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
** 02110-1301, USA.
*)
(* ****** ****** *)
//
// Author: Hongwei Xi
// Authoremail: hwxiATcsDOTbuDOTedu
// Time: October, 2010
//
(* ****** ****** *)
#define ATS_PACKNAME "ATSLIB.libats.linset_listord"
#define ATS_STALOADFLAG 0 // no static loading at run-time
(* ****** ****** *)
#include "./SHARE/linset.hats"
#include "./SHARE/linset_node.hats"
(* ****** ****** *)
castfn
linset2list {a:t0p} (xs: set (INV(a))):<> List0_vt (a)
(* ****** ****** *)
(* end of [linset_listord.sats] *)

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%{
#include "./../ATEXT/atextfun.hats"
%}
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<title>EFFECTIVATS-DiningPhil2</title>
#patscode_style()
</head>
<body>
<h1>
Effective ATS: Dining Philosophers
</h1>
In this article, I present an implementation of a slight variant of the
famous problem of 5-Dining-Philosophers by Dijkstra that makes simple but
convincing use of linear types.
<h2>
The Original Problem
</h2>
There are five philosophers sitting around a table and there are also 5
forks placed on the table such that each fork is located between the left
hand of a philosopher and the right hand of another philosopher. Each
philosopher does the following routine repeatedly: thinking and dining. In
order to dine, a philosopher needs to first acquire two forks: one located
on his left-hand side and the other on his right-hand side. After
finishing dining, a philosopher puts the two acquired forks onto the table:
one on his left-hand side and the other on his right-hand side.
<h2>
A Variant of the Original Problem
</h2>
The following twist is added to the original version:
<p>
After a fork is used, it becomes a "dirty" fork and needs to be put in a
tray for dirty forks. There is a cleaner who cleans dirty forks and then
puts them back on the table.
<h2>
Channels for Communication
</h2>
A channel is just a shared queue of fixed capacity. The following two
functions are for inserting an element into and taking an element out of a
given channel:
<pre
class="patsyntax">
#pats2xhtml_sats("\
fun{a:vt0p} channel_insert (channel (a), a): void
fun{a:vt0p} channel_takeout (chan: channel (a)): (a)
")</pre>
If [channel_insert] is called on a channel that is full, then the caller is
blocked until an element is taken out of the channel. If [channel_takeout]
is called on a channel that is empty, then the caller is blocked until an
element is inserted into the channel.
<h2>
A Channel for Each Fork
</h2>
Forks are resources given a linear type. Each fork is initially stored in a
channel, which can be obtained by calling the following function:
<pre
class="patsyntax">
#pats2xhtml_sats("\
fun fork_changet (n: nphil): channel(fork)
")</pre>
where the type [nphil] is defined to be [natLt(5)] (for natural numbers
less than 5). The channels for storing forks are chosen to be of capacity
2. The reason that channels of capacity 2 are chosen to store at most one
element (in each of them) is to guarantee that these channels can never be
full (so that there is no attempt made to send signals to awake callers
supposedly being blocked due to channels being full).
<h2>
A Channel for the Fork Tray
</h2>
A tray for storing "dirty" forks is also a channel, which can be obtained
by calling the following function:
<pre
class="patsyntax">
#pats2xhtml_sats("\
fun forktray_changet ((*void*)): channel(fork)
")</pre>
The capacity chosen for the channel is 6 (instead of 5) so that it can
never become full (as there are only 5 forks in total).
<h2>
Philosopher Loop
</h2>
Each philosopher is implemented as a loop:
<pre
class="patsyntax">
#pats2xhtml_dats('\
implement
phil_loop (n) = let
//
val () = phil_think (n)
//
val nl = phil_left (n) // = n
val nr = phil_right (n) // = (n+1) % 5
//
val ch_lfork = fork_changet (nl)
val ch_rfork = fork_changet (nr)
//
val lf = channel_takeout (ch_lfork)
val () = println! ("phil_loop(", n, ") picks left fork")
//
val () = randsleep (2) // sleep up to 2 seconds
//
val rf = channel_takeout (ch_rfork)
val () = println! ("phil_loop(", n, ") picks right fork")
//
val () = phil_dine (n, lf, rf)
//
val ch_forktray = forktray_changet ()
val () = channel_insert (ch_forktray, lf) // left fork to dirty tray
val () = channel_insert (ch_forktray, rf) // right fork to dirty tray
//
in
phil_loop (n)
end // end of [phil_loop]
')</pre>
It should be straighforward to follow the code for [phil_loop].
<h2>
Fork Cleaner Loop
</h2>
A cleaner is implemented as a loop:
<pre
class="patsyntax">
#pats2xhtml_dats('\
implement
cleaner_loop () = let
//
val ch = forktray_changet ()
val f0 = channel_takeout (ch) // [f0] is dirty
//
val () = cleaner_wash (f0) // washes dirty [f0]
val () = cleaner_return (f0) // puts back cleaned [f0]
//
in
cleaner_loop ()
end // end of [cleaner_loop]
')</pre>
The function [cleaner_return] first finds out the number of a given fork
and then uses the number to locate the channel for storing the fork. Its
actual implementation is given as follows:
<pre
class="patsyntax">
#pats2xhtml_dats('\
implement
cleaner_return (f) =
{
val n = fork_get_num (f)
val ch = fork_changet (n)
val () = channel_insert (ch, f)
}
')</pre>
It should now be straighforward to follow the code for [cleaner_loop].
<h2>
Testing
</h2>
The entire code of this implementation is stored in the following files:
<pre>
DiningPhil2.sats
DiningPhil2.dats
DiningPhil2_fork.dats
DiningPhil2_thread.dats
</pre>
There is also a Makefile available for compiling the ATS source code into
an excutable for testing. One should be able to encounter a deadlock after
running the simulation for a while.
<hr size="2">
This article is written by <a href="http://www.cs.bu.edu/~hwxi/">Hongwei Xi</a>.
</body>
</html>
%{
implement main () = fprint_filsub (stdout_ref, "main_atxt.txt")
%}

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/* ******************************************************************* */
/* */
/* Applied Type System */
/* */
/* ******************************************************************* */
/*
** ATS/Postiats - Unleashing the Potential of Types!
** Copyright (C) 2011-20?? Hongwei Xi, ATS Trustful Software, Inc.
** All rights reserved
**
** ATS is free software; you can redistribute it and/or modify it under
** the terms of the GNU GENERAL PUBLIC LICENSE (GPL) as published by the
** Free Software Foundation; either version 3, or (at your option) any
** later version.
**
** ATS is distributed in the hope that it will be useful, but WITHOUT ANY
** WARRANTY; without even the implied warranty of MERCHANTABILITY or
** FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
** for more details.
**
** You should have received a copy of the GNU General Public License
** along with ATS; see the file COPYING. If not, please write to the
** Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
** 02110-1301, USA.
*/
/* ****** ****** */
/*
(* Author: Hongwei Xi *)
(* Authoremail: hwxi AT cs DOT bu DOT edu *)
(* Start time: March, 2013 *)
*/
/* ****** ****** */
#ifndef ATSHOME_LIBATS_DYNARRAY_CATS
#define ATSHOME_LIBATS_DYNARRAY_CATS
/* ****** ****** */
#include <string.h>
/* ****** ****** */
#define atslib_dynarray_memcpy memcpy
#define atslib_dynarray_memmove memmove
/* ****** ****** */
#endif // ifndef ATSHOME_LIBATS_DYNARRAY_CATS
/* ****** ****** */
/* end of [dynarray.cats] */

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/*
** API in ATS for GNU-readline
*/
/* ****** ****** */
/*
** Permission to use, copy, modify, and distribute this software for any
** purpose with or without fee is hereby granted, provided that the above
** copyright notice and this permission notice appear in all copies.
**
** THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
** WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
** MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
** ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
** WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
** ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
** OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* ****** ****** */
#ifndef READLINE_READLINE_CATS
#define READLINE_READLINE_CATS
/* ****** ****** */
#include <readline/readline.h>
/* ****** ****** */
//
#define \
atscntrb_readline_rl_library_version() ((char*)rl_library_version)
//
#define atscntrb_readline_rl_readline_version() (rl_readline_version)
//
/* ****** ****** */
#define atscntrb_readline_readline readline
/* ****** ****** */
#endif // ifndef READLINE_READLINE_CATS
/* ****** ****** */
/* end of [readline.cats] */

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{
"@context": {
"property": "http://example.com/vocab#property"
},
"@id": "../document-relative",
"@type": "#document-relative",
"property": {
"@context": {
"@base": "http://example.org/test/"
},
"@id": "../document-base-overwritten",
"@type": "#document-base-overwritten",
"property": [
{
"@context": null,
"@id": "../document-relative",
"@type": "#document-relative",
"property": "context completely reset, drops property"
},
{
"@context": {
"@base": null
},
"@id": "../document-relative",
"@type": "#document-relative",
"property": "only @base is cleared"
}
]
}
}

5
samples/R/R-qgis-extension.rsx Normal file
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@@ -0,0 +1,5 @@
##polyg=vector
##numpoints=number 10
##output=output vector
##[Example scripts]=group
pts=spsample(polyg,numpoints,type="regular")

7
samples/Scheme/basic.sld Normal file
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@@ -0,0 +1,7 @@
(define-library (libs basic)
(export list2 x)
(begin
(define (list2 . objs) objs)
(define x 'libs-basic)
(define not-exported 'should-not-be-exported)
))