Updating: very minorly improving

Updating: very minorly improving

(*
** A queue of channels
*)
(* ****** ****** *)

#define ATS_DYNLOADFLAG 0

(* ****** ****** *)
//
(*
#define ATS_PACKNAME "queue"
*)
//
#define ATS_EXTERN_PREFIX "queue_"
#define ATS_STATIC_PREFIX "_queue_"
//
(* ****** ****** *)

%{^
%%
-module(queue_dats).
%%
-export([main0_erl/0]).
%%
-compile(nowarn_unused_function).
%%
-export([ats2erlpre_cloref1_app/2]).
-export([libats2erl_session_chanpos_xfer/0]).
-export([libats2erl_session_chanposneg_link_pn/2]).
-export([libats2erl_session_chanposneg_link_np/3]).
%%
-include("./libatscc2erl/libatscc2erl_all.hrl").
-include("./libatscc2erl/Sessiontype_mylibats2erl_all.hrl").
%%
%} // end of [%{]

(* ****** ****** *)
//
#include
"share/atspre_define.hats"
//
#include
"{$LIBATSCC2ERL}/staloadall.hats"
//
(* ****** ****** *)
//
staload
UN = "prelude/SATS/unsafe.sats"
//
(* ****** ****** *)

staload "./../SATS/basis.sats"
staload "./../DATS/basis_chan2.dats"

(* ****** ****** *)
//
(*
//
datatype
ssque(a:t@ype, int) =
  | ssque_nil(a, 0) of ()
  | {n:pos}
    ssque_deq(a, n) of (snd(a), ssque(a,n-1))
  | {n:nat}
    ssque_enq(a, n) of (rcv(a), ssque(a,n+1))
//
*)
abstype ssque(a:vt@ype, n:int)
//
(* ****** ****** *)
//
datatype
chanpos_ssque
  (a:vt@ype, type, int) =
  | chanpos_ssque_nil(a, nil, 0) of ()
  | {n:pos}
    chanpos_ssque_deq(a,chsnd(a)::ssque(a,n-1),n) of ()
  | {n:nat}
    chanpos_ssque_enq(a,chrcv(a)::ssque(a,n+1),n) of ()
//
(* ****** ****** *)
//
extern
fun
chanpos_ssque
  {a:vt0p}{n:nat}
  (!chanpos(ssque(a,n)) >> chanpos(ss))
: #[ss:type] chanpos_ssque(a, ss, n) = "mac#%"
//
(* ****** ****** *)
//
extern
fun
channeg_ssque_nil
  {a:vt@ype}
  (!channeg(ssque(a,0)) >> channeg(nil)): void = "mac#%"
extern
fun
channeg_ssque_deq
  {a:vt@ype}{n:pos}
  (!channeg(ssque(a,n)) >> channeg(chsnd(a)::ssque(a,n-1))): void = "mac#%"
and
channeg_ssque_enq
  {a:vt@ype}{n:nat}
  (!channeg(ssque(a,n)) >> channeg(chrcv(a)::ssque(a,n+1))): void = "mac#%"
//
(* ****** ****** *)

implement
chanpos_ssque
  {a}{n}(chpos) = let
//
val
chpos2 = $UN.castvwtp1{chanpos2}(chpos)
val tag = chanpos2_recv{natLt(3)}(chpos2)
//
prval () = $UN.cast2void(chpos2)
//
in
//
case+ tag of
| 0 => let
    prval () = $UN.prop_assert{n==0}()
    prval () =
    $UN.castview2void(chpos) in chanpos_ssque_nil()
  end // end of [prval]
| 1 => let
    prval () = $UN.prop_assert{n > 0}()
    prval () =
    $UN.castview2void(chpos) in chanpos_ssque_deq()
  end // end of [prval]
| 2 => let
    prval () =
    $UN.castview2void(chpos) in chanpos_ssque_enq()
  end // end of [prval]
//
end // end of [chanpos_ssque]
//
(* ****** ****** *)

implement
channeg_ssque_nil
  (chneg) = () where
{
//
val
chneg2 =
$UN.castvwtp1{channeg2}(chneg)
//
val () =
  channeg2_recv{int}(chneg2, 0)
//
prval () = $UN.cast2void(chneg2)
//
prval () = $UN.castview2void(chneg)
//
} (* end of [channeg_ssque_nil] *)

(* ****** ****** *)

implement
channeg_ssque_deq
  (chneg) = () where
{
//
val
chneg2 =
$UN.castvwtp1{channeg2}(chneg)
//
val () =
  channeg2_recv{int}(chneg2, 1)
//
prval () = $UN.cast2void(chneg2)
//
prval () = $UN.castview2void(chneg)
//
} (* end of [channeg_ssque_deq] *)

(* ****** ****** *)

implement
channeg_ssque_enq
  (chneg) = () where
{
//
val
chneg2 =
$UN.castvwtp1{channeg2}(chneg)
//
val () =
  channeg2_recv{int}(chneg2, 2)
//
prval () = $UN.cast2void(chneg2)
//
prval () = $UN.castview2void(chneg)
//
} (* end of [channeg_ssque_enq] *)

(* ****** ****** *)

extern
fun
chanposneg_link_ssque
  {a:vt0p}{n:nat}
(
  chp: chanpos(ssque(a, n))
, chn: channeg(ssque(a, n))
) : void // end of [chanposneg_link_ssque]
//
implement
chanposneg_link_ssque
  {a}(chp, chn) = let
//
val opt = chanpos_ssque(chp)
//
in
//
case+ opt of
| chanpos_ssque_nil() =>
  {
//
    val () = chanpos_nil_wait(chp)
//
    val () = channeg_ssque_nil(chn)
    val () = channeg_nil_close(chn)
//
  }
| chanpos_ssque_deq() =>
  {
    val () = channeg_ssque_deq(chn)
    val () = chanpos_send{a}(chp, channeg_send{a}(chn))
    val () = chanposneg_link_ssque(chp, chn)
  }
| chanpos_ssque_enq() =>
  {
    val () = channeg_ssque_enq(chn)
    val () = channeg_recv{a}(chn, chanpos_recv{a}(chp))
    val () = chanposneg_link_ssque(chp, chn)
  }
//
end // end of [chanposneg_link_ssque]

(* ****** ****** *)
//
extern
fun
queue_nil{a:vt0p}(): channeg(ssque(a, 0)) = "mac#%"
//
extern
fun
queue_free_nil{a:vt0p}(channeg(ssque(a, 0))): void = "mac#%"
//
extern
fun
queue_deq
  {a:vt0p}{n:pos}
  (que: !channeg(ssque(a,n)) >> channeg(ssque(a,n-1))): (a) = "mac#%"
//
extern
fun
queue_enq
  {a:vt0p}{n:nat}
  (que: !channeg(ssque(a,n)) >> channeg(ssque(a,n+1)), x0: a): void = "mac#%"
//
(* ****** ****** *)

implement
queue_nil
  {a}((*void*)) = let
//
fun
fserv
(
  chp: chanpos(ssque(a,0))
) : void = let
//
val opt = chanpos_ssque(chp)
//
in
//
case+ opt of
| chanpos_ssque_nil() =>
    chanpos_nil_wait (chp)
| chanpos_ssque_enq() => let
    val
    x_fst = chanpos_recv{a}(chp)
  in
    fserv2 (x_fst, queue_nil(), chp)
  end // end of [chanpos_ssque_enq]
//
end // end of [fserv]
//
and
fserv2
{n:nat}
(
  x: a
, chn: channeg(ssque(a,n))
, chp: chanpos(ssque(a,n+1))
) : void = let
//
val opt = chanpos_ssque(chp)
//
in
//
case+ opt of
| chanpos_ssque_deq() => let
    val () = chanpos_send{a}(chp, x)
  in
    chanposneg_link (chp, chn)
(*
    chanposneg_link_ssque (chp, chn)
*)
  end // end of [chanpos_ssque_deq]
| chanpos_ssque_enq() => let
    val y = chanpos_recv{a}(chp)
    val () = channeg_ssque_enq (chn)
    val () = channeg_recv{a}(chn, y)
  in
    fserv2 (x, chn, chp)
  end // end of [chanpos_ssque_enq]
//
end // end of [fserv2]
//
in
  channeg_create(llam (chp) => fserv (chp))
end // end of [queue_nil]

(* ****** ****** *)

implement
queue_free_nil
  {a}(chn) = () where
{
//
val () = channeg_ssque_nil(chn)
val () = channeg_nil_close(chn)
//
} (* end of [queue_free_nil] *)

(* ****** ****** *)

implement
queue_deq
  {a}(chn) =
(
  channeg_ssque_deq(chn); channeg_send{a}(chn)
) (* end of [queue_deq] *)

(* ****** ****** *)

implement
queue_enq
  {a}(chn, x0) =
(
  channeg_ssque_enq(chn); channeg_recv{a}(chn, x0)
) (* end of [queue_enq] *)

(* ****** ****** *)

extern
fun
main0_erl
(
// argumentless
) : void = "mac#"
//
implement
main0_erl((*void*)) =
{
//
#define N 100
//
val Q0 = queue_nil{int}()
//
val () = queue_enq (Q0, 0)
val () = queue_enq (Q0, 1)
val () = queue_enq (Q0, 2)
//
val x0 = queue_deq (Q0)
val () = println! ("x0(0) = ", x0)
val x1 = queue_deq (Q0)
val () = println! ("x1(1) = ", x1)
//
val () = queue_enq (Q0, 3)
val () = queue_enq (Q0, 4)
//
val x2 = queue_deq (Q0)
val () = println! ("x2(2) = ", x2)
val x3 = queue_deq (Q0)
val () = println! ("x3(3) = ", x3)
//
val () = queue_enq (Q0, 5)
val () = queue_enq (Q0, 6)
val () = queue_enq (Q0, 7)
//
val x4 = queue_deq (Q0)
val () = println! ("x4(4) = ", x4)
val x5 = queue_deq (Q0)
val () = println! ("x5(5) = ", x5)
val x6 = queue_deq (Q0)
val () = println! ("x7(6) = ", x6)
//
val () = queue_enq (Q0, 8)
//
val x7 = queue_deq (Q0)
val () = println! ("x7(7) = ", x7)
val x8 = queue_deq (Q0)
val () = println! ("x8(8) = ", x8)
//
val ((*freed*)) = queue_free_nil{int}(Q0)
//
} (* end of [main0] *)

(* ****** ****** *)

(* end of [queue.dats] *)

(*
** A queue of channels
*)
(* ****** ****** *)

#define ATS_DYNLOADFLAG 0

(* ****** ****** *)
//
(*
#define ATS_PACKNAME "queue"
*)
//
#define ATS_EXTERN_PREFIX "queue_"
#define ATS_STATIC_PREFIX "_queue_"
//
(* ****** ****** *)

%{^
%%
-module(queue_dats).
%%
-export([main0_erl/0]).
%%
-compile(nowarn_unused_function).
%%
-export([ats2erlpre_cloref1_app/2]).
-export([libats2erl_session_chanpos_xfer/0]).
-export([libats2erl_session_chanposneg_link_pn/2]).
-export([libats2erl_session_chanposneg_link_np/3]).
%%
-include("./libatscc2erl/libatscc2erl_all.hrl").
-include("./libatscc2erl/Sessiontype_mylibats2erl_all.hrl").
%%
%} // end of [%{]

(* ****** ****** *)
//
#include
"share/atspre_define.hats"
//
#include
"{$LIBATSCC2ERL}/staloadall.hats"
//
(* ****** ****** *)
//
staload
UN = "prelude/SATS/unsafe.sats"
//
(* ****** ****** *)

staload "./../SATS/basis.sats"
staload "./../DATS/basis_chan2.dats"

(* ****** ****** *)
//
(*
//
datatype
ssque(a:t@ype, int) =
  | ssque_nil(a, 0) of ()
  | {n:pos}
    ssque_deq(a, n) of (snd(a), ssque(a,n-1))
  | {n:nat}
    ssque_enq(a, n) of (rcv(a), ssque(a,n+1))
//
*)
abstype ssque(a:vt@ype, n:int)
//
(* ****** ****** *)
//
datatype
chanpos_ssque
  (a:vt@ype, type, int) =
  | chanpos_ssque_nil(a, nil, 0) of ()
  | {n:pos}
    chanpos_ssque_deq(a,chsnd(a)::ssque(a,n-1),n) of ()
  | {n:nat}
    chanpos_ssque_enq(a,chrcv(a)::ssque(a,n+1),n) of ()
//
(* ****** ****** *)
//
extern
fun
chanpos_ssque
  {a:vt0p}{n:nat}
  (!chanpos(ssque(a,n)) >> chanpos(ss))
: #[ss:type] chanpos_ssque(a, ss, n) = "mac#%"
//
(* ****** ****** *)
//
extern
fun
channeg_ssque_nil
  {a:vt@ype}
  (!channeg(ssque(a,0)) >> channeg(nil)): void = "mac#%"
extern
fun
channeg_ssque_deq
  {a:vt@ype}{n:pos}
  (!channeg(ssque(a,n)) >> channeg(chsnd(a)::ssque(a,n-1))): void = "mac#%"
and
channeg_ssque_enq
  {a:vt@ype}{n:nat}
  (!channeg(ssque(a,n)) >> channeg(chrcv(a)::ssque(a,n+1))): void = "mac#%"
//
(* ****** ****** *)

implement
chanpos_ssque
  {a}{n}(chpos) = let
//
val
chpos2 = $UN.castvwtp1{chanpos2}(chpos)
val tag = chanpos2_recv{natLt(3)}(chpos2)
//
prval () = $UN.cast2void(chpos2)
//
in
//
case+ tag of
| 0 => let
    prval () = $UN.prop_assert{n==0}()
    prval () =
    $UN.castview2void(chpos) in chanpos_ssque_nil()
  end // end of [prval]
| 1 => let
    prval () = $UN.prop_assert{n > 0}()
    prval () =
    $UN.castview2void(chpos) in chanpos_ssque_deq()
  end // end of [prval]
| 2 => let
    prval () =
    $UN.castview2void(chpos) in chanpos_ssque_enq()
  end // end of [prval]
//
end // end of [chanpos_ssque]
//
(* ****** ****** *)

implement
channeg_ssque_nil
  (chneg) = () where
{
//
val
chneg2 =
$UN.castvwtp1{channeg2}(chneg)
//
val () =
  channeg2_recv{int}(chneg2, 0)
//
prval () = $UN.cast2void(chneg2)
//
prval () = $UN.castview2void(chneg)
//
} (* end of [channeg_ssque_nil] *)

(* ****** ****** *)

implement
channeg_ssque_deq
  (chneg) = () where
{
//
val
chneg2 =
$UN.castvwtp1{channeg2}(chneg)
//
val () =
  channeg2_recv{int}(chneg2, 1)
//
prval () = $UN.cast2void(chneg2)
//
prval () = $UN.castview2void(chneg)
//
} (* end of [channeg_ssque_deq] *)

(* ****** ****** *)

implement
channeg_ssque_enq
  (chneg) = () where
{
//
val
chneg2 =
$UN.castvwtp1{channeg2}(chneg)
//
val () =
  channeg2_recv{int}(chneg2, 2)
//
prval () = $UN.cast2void(chneg2)
//
prval () = $UN.castview2void(chneg)
//
} (* end of [channeg_ssque_enq] *)

(* ****** ****** *)

extern
fun
chanposneg_link_ssque
  {a:vt0p}{n:nat}
(
  chp: chanpos(ssque(a, n))
, chn: channeg(ssque(a, n))
) : void // end of [chanposneg_link_ssque]
//
implement
chanposneg_link_ssque
  {a}(chp, chn) = let
//
val opt = chanpos_ssque(chp)
//
in
//
case+ opt of
| chanpos_ssque_nil() =>
  {
//
    val () = chanpos_nil_wait(chp)
//
    val () = channeg_ssque_nil(chn)
    val () = channeg_nil_close(chn)
//
  }
| chanpos_ssque_deq() =>
  {
    val () = channeg_ssque_deq(chn)
    val () = chanpos_send{a}(chp, channeg_send{a}(chn))
    val () = chanposneg_link_ssque(chp, chn)
  }
| chanpos_ssque_enq() =>
  {
    val () = channeg_ssque_enq(chn)
    val () = channeg_recv{a}(chn, chanpos_recv{a}(chp))
    val () = chanposneg_link_ssque(chp, chn)
  }
//
end // end of [chanposneg_link_ssque]

(* ****** ****** *)
//
extern
fun
queue_nil{a:vt0p}(): channeg(ssque(a, 0)) = "mac#%"
//
extern
fun
queue_free_nil{a:vt0p}(channeg(ssque(a, 0))): void = "mac#%"
//
extern
fun
queue_deq
  {a:vt0p}{n:pos}
  (que: !channeg(ssque(a,n)) >> channeg(ssque(a,n-1))): (a) = "mac#%"
//
extern
fun
queue_enq
  {a:vt0p}{n:nat}
  (que: !channeg(ssque(a,n)) >> channeg(ssque(a,n+1)), x0: a): void = "mac#%"
//
(* ****** ****** *)

implement
queue_nil
  {a}((*void*)) = let
//
fun
fserv
(
  chp: chanpos(ssque(a,0))
) : void = let
//
val opt = chanpos_ssque(chp)
//
in
//
case+ opt of
| chanpos_ssque_nil() =>
    chanpos_nil_wait (chp)
| chanpos_ssque_enq() => let
    val
    x_fst = chanpos_recv{a}(chp)
  in
    fserv2 (x_fst, queue_nil(), chp)
  end // end of [chanpos_ssque_enq]
//
end // end of [fserv]
//
and
fserv2
{n:nat}
(
  x: a
, chn: channeg(ssque(a,n))
, chp: chanpos(ssque(a,n+1))
) : void = let
//
val opt = chanpos_ssque(chp)
//
in
//
case+ opt of
| chanpos_ssque_deq() => let
    val () = chanpos_send{a}(chp, x)
  in
    chanposneg_link (chp, chn)
(*
    chanposneg_link_ssque (chp, chn)
*)
  end // end of [chanpos_ssque_deq]
| chanpos_ssque_enq() => let
    val y = chanpos_recv{a}(chp)
    val () = channeg_ssque_enq (chn)
    val () = channeg_recv{a}(chn, y)
  in
    fserv2 (x, chn, chp)
  end // end of [chanpos_ssque_enq]
//
end // end of [fserv2]
//
in
  channeg_create(llam (chp) => fserv (chp))
end // end of [queue_nil]

(* ****** ****** *)

implement
queue_free_nil
  {a}(chn) = () where
{
//
val () = channeg_ssque_nil(chn)
val () = channeg_nil_close(chn)
//
} (* end of [queue_free_nil] *)

(* ****** ****** *)

implement
queue_deq
  {a}(chn) =
(
  channeg_ssque_deq(chn); channeg_send{a}(chn)
) (* end of [queue_deq] *)

(* ****** ****** *)

implement
queue_enq
  {a}(chn, x0) =
(
  channeg_ssque_enq(chn); channeg_recv{a}(chn, x0)
) (* end of [queue_enq] *)

(* ****** ****** *)

extern
fun
main0_erl
(
// argumentless
) : void = "mac#"
//
implement
main0_erl((*void*)) =
{
//
#define N 100
//
val Q0 = queue_nil{int}()
//
val () = queue_enq (Q0, 0)
val () = queue_enq (Q0, 1)
val () = queue_enq (Q0, 2)
//
val x0 = queue_deq (Q0)
val () = println! ("x0(0) = ", x0)
val x1 = queue_deq (Q0)
val () = println! ("x1(1) = ", x1)
//
val () = queue_enq (Q0, 3)
val () = queue_enq (Q0, 4)
//
val x2 = queue_deq (Q0)
val () = println! ("x2(2) = ", x2)
val x3 = queue_deq (Q0)
val () = println! ("x3(3) = ", x3)
//
val () = queue_enq (Q0, 5)
//
val x4 = queue_deq (Q0)
val () = println! ("x4(4) = ", x4)
val x5 = queue_deq (Q0)
val () = println! ("x5(5) = ", x5)
//
val ((*freed*)) = queue_free_nil{int}(Q0)
//
} (* end of [main0] *)

(* ****** ****** *)

(* end of [queue.dats] *)


Updating: very minorly improving

Updating: very minorly improving

(*
** Bouncing ball
*)

(* ****** ****** *)
//
// Author: Hongwei Xi
// Authoremail: gmhwxiATgmailDOTedu
//
(* ****** ****** *)
//
#define
ATS_STATIC_PREFIX "bouncing_ball_anim_"
//
(* ****** ****** *)

#define ATS_MAINATSFLAG 1
#define ATS_DYNLOADNAME "bouncing_ball_anim_dynload"

(* ****** ****** *)
//
#include
"share/atspre_define.hats"
//
(* ****** ****** *)
//
staload
"libats/SATS/NUMBER/real.sats"
//
(* ****** ****** *)
//
#include
"{$LIBATSCC2JS}/staloadall.hats"
//
staload
"{$LIBATSCC2JS}/DATS/NUMBER/real_double.dats"
//
(* ****** ****** *)

stacst g : real
stacst dt : real
stacst K : real

(* ****** ****** *)

datasort mode = M1 | M2

(* ****** ****** *)

datatype
mode(mode) = M1(M1) | M2(M2)

(* ****** ****** *)

(*
absvtype
state(mode, x:real, v:real)
*)

(* ****** ****** *)
//
datatype
state(mode, x: real, v:real) =
| STATE1(M1,x,v) of (real(x), real(v))
| STATE2(M2,x,v) of (real(x), real(v))
//
(* ****** ****** *)
//
extern
fun
state_get_x
{m:mode}{x,v:real}(!state(m, x, v)): real(x)
and
state_get_v
{m:mode}{x,v:real}(!state(m, x, v)): real(v)
//
overload .x with state_get_x
overload .v with state_get_v
//
(* ****** ****** *)

implement
state_get_x
  (state) =
(
  case+ state of STATE1(x, _) => x | STATE2(x, _) => x
)
implement
state_get_v
  (state) =
(
  case+ state of STATE1(_, v) => v | STATE2(_, v) => v
)

(* ****** ****** *)
//
extern
fun
update1
  : {x,v:real | x > 0}
    (state(M1, x, v)) ->
    state(M1, x+v*dt, v+g*dt)
//
(* ****** ****** *)
//
extern
fun
update1_jump
  : {x,v:real | x <= 0}
    state(M1, x, v) -> state(M2, i2r(0), ~K*v)
//
(* ****** ****** *)
//
extern
fun
update2
  : {x,v:real | v > 0}
    state(M2, x, v) ->
    state(M2, x+v*dt, v+g*dt)
//
(* ****** ****** *)
//
extern
fun
update2_jump
  : {x,v:real | v <= 0}
    (state(M2, x, v)) -> state(M1, x, i2r(0))
//
(* ****** ****** *)
//
extern
fun{}
the_dt_get(): real(dt)
//
implement
{}(*tmp*)
the_dt_get() = $UN.cast(1.0/100)
//
(* ****** ****** *)
//
extern
fun
delayed_by
(
  delta: real0, fwork: () -<lincloptr1> void
) : void // end-of-function
//
(* ****** ****** *)
//
prval () =
  $UN.prop_assert{false}()
//
(* ****** ****** *)
//
val g = $UN.cast(~9.8): real(g)
val K = $UN.cast(0.99): real(K)
//
(* ****** ****** *)

implement
update1(state) = let
//
val dt = the_dt_get()
val+STATE1(x, v) = state
//
in
  STATE1(x+v*dt, v+g*dt)
end // end of [update1]

(* ****** ****** *)

implement
update1_jump(state) = let
//
val+STATE1(x, v) = state
//
in
  STATE2(int2real(0), ~K*v)
end // end of [update1_jump]

(* ****** ****** *)

implement
update2(state) = let
//
val dt = the_dt_get()
val+STATE2(x, v) = state
//
in
  STATE2(x+v*dt, v+g*dt)
end // end of [update2]

(* ****** ****** *)

implement
update2_jump(state) = let
//
val+STATE2(x, v) = state
//
in
  STATE1(x, int2real(0))
end // end of [update2_jump]

(* ****** ****** *)

extern
fun theFwork_eval(): void

(* ****** ****** *)

local

staload
"libc/SATS/unistd.sats"

val theFwork = ref{int}(0)

in (* in-of-local *)

implement
delayed_by
  (dt, fwork) = let
//
val dt =
  $UN.cast{double}(dt)
//
val dt =
  g1ofg0_int(double2int(dt*1000000))
//
(*
val () = assert(dt >= 0)
val () = assert(dt <= 1000000)
val _(*void*) = usleep_int(dt)
*)
//
in
  theFwork[] := $UN.castvwtp0{int}(fwork)
end // end of [delayed_by]

implement
theFwork_eval() = let
  val fwork = theFwork[]
  val ((*void*)) = theFwork[] := 0
in
  $UN.cast{() -<cloref> void}(fwork)()
end // end of [theFwork_eval]

end // end of [local]

(* ****** ****** *)
//
abstype ball
//
extern
fun ball_new (): ball = "mac#"
//
extern
fun ball_get_x(ball): double = "mac#"
extern
fun ball_set_x(ball, double): void = "mac#"
//
extern
fun
theBall_get(): ball = "mac#"
extern
fun
theBall_get_x(): double = "mac#"
extern
fun
theBall_set_x(double): void = "mac#"
//
extern
fun
theStage_update(): void = "mac#"
extern
fun
theStage_addChild{a:type}(x: a): void = "mac#"
//
(* ****** ****** *)
//
%{^
//
var theStage = 0;
//
function
theStage_initize()
{
//
  theStage = new createjs.Stage("theCanvas");
//
} /* theStage_initize */
//
function
theStage_addChild(obj)
{
  theStage.addChild(obj); return;
}
//
function theStage_update() { return theStage.update(); }
//
%}

(* ****** ****** *)

val () = $extfcall(void, "theStage_initize")

(* ****** ****** *)

%{
//
var XSCREEN = 640
var YSCREEN = 480
//
function
ball_new()
{
  var
  ball = new createjs.Shape();
  ball.x = XSCREEN/2; ball.y = 0;
  ball.graphics.beginFill("yellow").drawCircle(0, 0, 16);
  return ball;
}
//
function
ball_get_x(ball) { return ball.x ; }
function
ball_set_x(ball, x0) { ball.y = YSCREEN-20*x0-16; return ; }
//
%} // end of [%{]
//
(* ****** ****** *)

local

val
theBall = ref{ball}($UN.cast(0))

fun
theBall_initize(): void =
{
  val B0 = ball_new()
  val () = theBall[] := B0
  val () = theStage_addChild(B0)
}

implement
theBall_get() = theBall[]
implement
theBall_get_x() = ball_get_x(theBall[])
implement
theBall_set_x(x0) = ball_set_x(theBall[], x0)

in (* in-of-local *)

val () = theBall_initize((*void*))

end // end of [local]

(* ****** ****** *)

fun
loop1{x,v:real}
  (state: state(M1, x, v)): void = let
//
  val dt = the_dt_get()
//
  val x = state_get_x(state)
  val v = state_get_v(state)
(*
  val () = println! ("state1: x = ", x)
  val () = println! ("state1: v = ", v)
*)
//
  val x_ =
    $UN.cast{double}(x)
  // end of [val]
  val () = theBall_set_x(x_)
  val () = theStage_update()
//
in
  if x > 0
    then
    delayed_by
      (dt, llam() => loop1(update1(state)))
    // delayed_by
    else loop2(update1_jump(state))
  // end of [if]
end // end of [loop1]

and
loop2{x,v:real}
  (state: state(M2, x, v)): void = let
//
  val dt = the_dt_get()
//
  val x = state_get_x(state)
  val v = state_get_v(state)
(*
  val () = println! ("state2: x = ", x)
  val () = println! ("state2: v = ", v)
*)
//
  val x_ =
    $UN.cast{double}(x)
  // end of [val]
  val () = theBall_set_x(x_)
  val () = theStage_update()
//
in
  if v > 0
    then
    delayed_by
      (dt, llam() => loop2(update2(state)))
    // delayed_by
    else loop1(update2_jump(state))
  // end of [if]
end // end of [loop2]

(* ****** ****** *)

local
//
staload
"{$LIBATSCC2JS}/SATS/Bacon.js/baconjs.sats"
//
val
theTicks = Bacon_interval{int}(25, 0)
//
in
//
val () = loop1(STATE1(int2real(20), int2real(0)))
//
val () = theTicks.onValue(lam(_) =<cloref1> theFwork_eval())
//
end // end of [local]

(* ****** ****** *)

%{$
//
function
bouncing_ball_anim_initize()
{
  var _ = bouncing_ball_anim_dynload()
}
//
%} // end of [%{$]

(* ****** ****** *)

(*
implement
main0() =
{
//
val x0 = int2real(10)
val v0 = int2real(00)
val () = loop1(STATE1(x0, v0))
//
} (* end of [main0] *)
*)

(* ****** ****** *)

(* end of [bouncing_ball_anim.dats] *)

(*
** Bouncing ball
*)

(* ****** ****** *)
//
// Author: Hongwei Xi
// Authoremail: gmhwxiATgmailDOTedu
//
(* ****** ****** *)
//
#define
ATS_STATIC_PREFIX "bouncing_ball_anim_"
//
(* ****** ****** *)

#define ATS_MAINATSFLAG 1
#define ATS_DYNLOADNAME "bouncing_ball_anim_dynload"

(* ****** ****** *)
//
#include
"share/atspre_define.hats"
//
(* ****** ****** *)
//
staload
"libats/SATS/NUMBER/real.sats"
//
(* ****** ****** *)
//
#include
"{$LIBATSCC2JS}/staloadall.hats"
//
staload
"{$LIBATSCC2JS}/DATS/NUMBER/real_double.dats"
//
(* ****** ****** *)

stacst g : real
stacst dt : real
stacst alpha : real

(* ****** ****** *)

datasort mode = M1 | M2

(* ****** ****** *)

datatype
mode(mode) = M1(M1) | M2(M2)

(* ****** ****** *)

(*
absvtype
state(mode, x:real, v:real)
*)

(* ****** ****** *)
//
datatype
state(mode, x: real, v:real) =
| STATE1(M1,x,v) of (real(x), real(v))
| STATE2(M2,x,v) of (real(x), real(v))
//
(* ****** ****** *)
//
extern
fun
state_get_x
{m:mode}{x,v:real}(!state(m, x, v)): real(x)
and
state_get_v
{m:mode}{x,v:real}(!state(m, x, v)): real(v)
//
overload .x with state_get_x
overload .v with state_get_v
//
(* ****** ****** *)

implement
state_get_x
  (state) =
(
  case+ state of STATE1(x, _) => x | STATE2(x, _) => x
)
implement
state_get_v
  (state) =
(
  case+ state of STATE1(_, v) => v | STATE2(_, v) => v
)

(* ****** ****** *)
//
extern
fun
update1
  : {x,v:real | x > 0}
    (state(M1, x, v)) ->
    state(M1, x+v*dt, v+g*dt)
//
(* ****** ****** *)
//
extern
fun
update1_jump
  : {x,v:real | x <= 0}
    state(M1, x, v) -> state(M2, i2r(0), ~alpha*v)
//
(* ****** ****** *)
//
extern
fun
update2
  : {x,v:real | v > 0}
    state(M2, x, v) ->
    state(M2, x+v*dt, v+g*dt)
//
(* ****** ****** *)
//
extern
fun
update2_jump
  : {x,v:real | v <= 0}
    (state(M2, x, v)) -> state(M1, x, i2r(0))
//
(* ****** ****** *)
//
extern
fun{}
the_dt_get(): real(dt)
//
implement
{}(*tmp*)
the_dt_get() = $UN.cast(1.0/100)
//
(* ****** ****** *)
//
extern
fun
delayed_by
(
  delta: real0, fwork: () -<lincloptr1> void
) : void // end-of-function
//
(* ****** ****** *)
//
prval () =
  $UN.prop_assert{false}()
//
(* ****** ****** *)
//
val g = $UN.cast(~9.8): real(g)
val alpha = $UN.cast(0.99): real(alpha)
//
(* ****** ****** *)

implement
update1(state) = let
//
val dt = the_dt_get()
val+STATE1(x, v) = state
//
in
  STATE1(x+v*dt, v+g*dt)
end // end of [update1]

(* ****** ****** *)

implement
update1_jump(state) = let
//
val+STATE1(x, v) = state
//
in
  STATE2(int2real(0), ~alpha*v)
end // end of [update1_jump]

(* ****** ****** *)

implement
update2(state) = let
//
val dt = the_dt_get()
val+STATE2(x, v) = state
//
in
  STATE2(x+v*dt, v+g*dt)
end // end of [update2]

(* ****** ****** *)

implement
update2_jump(state) = let
//
val+STATE2(x, v) = state
//
in
  STATE1(x, int2real(0))
end // end of [update2_jump]

(* ****** ****** *)

extern
fun theFwork_eval(): void

(* ****** ****** *)

local

staload
"libc/SATS/unistd.sats"

val theFwork = ref{int}(0)

in (* in-of-local *)

implement
delayed_by
  (dt, fwork) = let
//
val dt =
  $UN.cast{double}(dt)
//
val dt =
  g1ofg0_int(double2int(dt*1000000))
//
(*
val () = assert(dt >= 0)
val () = assert(dt <= 1000000)
val _(*void*) = usleep_int(dt)
*)
//
in
  theFwork[] := $UN.castvwtp0{int}(fwork)
end // end of [delayed_by]

implement
theFwork_eval() = let
  val fwork = theFwork[]
  val ((*void*)) = theFwork[] := 0
in
  $UN.cast{() -<cloref> void}(fwork)()
end // end of [theFwork_eval]

end // end of [local]

(* ****** ****** *)
//
abstype ball
//
extern
fun ball_new (): ball = "mac#"
//
extern
fun ball_get_x(ball): double = "mac#"
extern
fun ball_set_x(ball, double): void = "mac#"
//
extern
fun
theBall_get(): ball = "mac#"
extern
fun
theBall_get_x(): double = "mac#"
extern
fun
theBall_set_x(double): void = "mac#"
//
extern
fun
theStage_update(): void = "mac#"
extern
fun
theStage_addChild{a:type}(x: a): void = "mac#"
//
(* ****** ****** *)
//
%{^
//
var theStage = 0;
//
function
theStage_initize()
{
//
  theStage = new createjs.Stage("theCanvas");
//
} /* theStage_initize */
//
function
theStage_addChild(obj)
{
  theStage.addChild(obj); return;
}
//
function theStage_update() { return theStage.update(); }
//
%}

(* ****** ****** *)

val () = $extfcall(void, "theStage_initize")

(* ****** ****** *)

%{
//
var XSCREEN = 640
var YSCREEN = 480
//
function
ball_new()
{
  var
  ball = new createjs.Shape();
  ball.x = XSCREEN/2; ball.y = 0;
  ball.graphics.beginFill("yellow").drawCircle(0, 0, 16);
  return ball;
}
//
function
ball_get_x(ball) { return ball.x ; }
function
ball_set_x(ball, x0) { ball.y = YSCREEN-20*x0-16; return ; }
//
%} // end of [%{]
//
(* ****** ****** *)

local

val
theBall = ref{ball}($UN.cast(0))

fun
theBall_initize(): void =
{
  val B0 = ball_new()
  val () = theBall[] := B0
  val () = theStage_addChild(B0)
}

implement
theBall_get() = theBall[]
implement
theBall_get_x() = ball_get_x(theBall[])
implement
theBall_set_x(x0) = ball_set_x(theBall[], x0)

in (* in-of-local *)

val () = theBall_initize((*void*))

end // end of [local]

(* ****** ****** *)

fun
loop1{x,v:real}
  (state: state(M1, x, v)): void = let
//
  val dt = the_dt_get()
//
  val x = state_get_x(state)
  val v = state_get_v(state)
(*
  val () = println! ("state1: x = ", x)
  val () = println! ("state1: v = ", v)
*)
//
  val x_ =
    $UN.cast{double}(x)
  // end of [val]
  val () = theBall_set_x(x_)
  val () = theStage_update()
//
in
  if x > 0
    then
    delayed_by
      (dt, llam() => loop1(update1(state)))
    // delayed_by
    else loop2(update1_jump(state))
  // end of [if]
end // end of [loop1]

and
loop2{x,v:real}
  (state: state(M2, x, v)): void = let
//
  val dt = the_dt_get()
//
  val x = state_get_x(state)
  val v = state_get_v(state)
(*
  val () = println! ("state2: x = ", x)
  val () = println! ("state2: v = ", v)
*)
//
  val x_ =
    $UN.cast{double}(x)
  // end of [val]
  val () = theBall_set_x(x_)
  val () = theStage_update()
//
in
  if v > 0
    then
    delayed_by
      (dt, llam() => loop2(update2(state)))
    // delayed_by
    else loop1(update2_jump(state))
  // end of [if]
end // end of [loop2]

(* ****** ****** *)

local
//
staload
"{$LIBATSCC2JS}/SATS/Bacon.js/baconjs.sats"
//
val
theTicks = Bacon_interval{int}(25, 0)
//
in
//
val () = loop1(STATE1(int2real(20), int2real(0)))
//
val () = theTicks.onValue(lam(_) =<cloref1> theFwork_eval())
//
end // end of [local]

(* ****** ****** *)

%{$
//
function
bouncing_ball_anim_initize()
{
  var _ = bouncing_ball_anim_dynload()
}
//
%} // end of [%{$]

(* ****** ****** *)

(*
implement
main0() =
{
//
val x0 = int2real(10)
val v0 = int2real(00)
val () = loop1(STATE1(x0, v0))
//
} (* end of [main0] *)
*)

(* ****** ****** *)

(* end of [bouncing_ball_anim.dats] *)


Updating: very minorly improving

Updating: very minorly improving

(* ****** ****** *)
//
// For testing ats2erlcml
//
(* ****** ****** *)
//
#include
"./../../staloadall.hats"
//
(* ****** ****** *)
//
staload
CML = "./../../SATS/CML/CML.sats"
//
(* ****** ****** *)
//
extern
fun
primes{n:nat} : (int(n)) -> list(int, n)
//
(* ****** ****** *)

stadef chan = $CML.chan

(* ****** ****** *)
//
fun
counter(n: int) = let
  val outCh = $CML.channel{int}()
  fun loop(n: int): void = ($CML.send(outCh, n); loop(n+1))
  val _(*tid*) = $CML.spawn(lam () => loop(n))
in
  outCh
end // end of [counter]
//
(* ****** ****** *)

fun
filter
(
  p: int, inCh: chan(int)
) : chan(int) = let
  val outCh = $CML.channel()
  fun loop(): void = let
    val i = $CML.recv(inCh)
  in
    if i % p != 0 then $CML.send(outCh, i); loop()
  end // end of [loop]
  val _(*tid*) = $CML.spawn(lam () => loop())
in
  outCh
end // end of [filter]

(* ****** ****** *)

fun
sieve
(
// argless
) : chan(int) = let
  val primes = $CML.channel()
  fun
  loop
  (
    ch: chan(int)
  ): void = let
    val p0 = $CML.recv(ch)
    val () = $CML.send(primes, p0)
    val ch2 = filter(p0, ch)
  in
    loop (ch2)
  end // end of [loop]
  val _(*tid*) = $CML.spawn(lam () => loop(counter(2)))
in
  primes
end // end of [sieve]

(* ****** ****** *)

implement
primes{n}(n) = let
//
val ch = sieve()
//
fun
loop{i,j:nat | i+j==n}
  (i: int(i), res: list(int, j)): list(int, n) =
(
  case+ i of
  | 0 => list_reverse(res)
  | _ =>> loop(i-1, cons($CML.recv(ch), res))
)
//
in
  loop(n, nil)
end // end of [primes]

(* ****** ****** *)

(* end of [primes.dats] *)

(* ****** ****** *)
//
// For testing ats2erlcml
//
(* ****** ****** *)
//
#include
"./../../staloadall.hats"
//
(* ****** ****** *)
//
staload
CML = "./../../SATS/CML/CML.sats"
//
(* ****** ****** *)

stadef chan = $CML.chan

(* ****** ****** *)
//
fun
counter(n: int) = let
  val outCh = $CML.channel{int}()
  fun loop(n: int): void = ($CML.send(outCh, n); loop(n+1))
  val _(*tid*) = $CML.spawn(lam () => loop(n))
in
  outCh
end // end of [counter]
//
(* ****** ****** *)

fun
filter
(
  p: int, inCh: chan(int)
) : chan(int) = let
  val outCh = $CML.channel()
  fun loop(): void = let
    val i = $CML.recv(inCh)
  in
    if i % p != 0 then $CML.send(outCh, i); loop()
  end // end of [loop]
  val _(*tid*) = $CML.spawn(lam () => loop())
in
  outCh
end // end of [filter]

(* ****** ****** *)

fun
sieve
(
// argless
) : chan(int) = let
  val primes = $CML.channel()
  fun
  loop
  (
    ch: chan(int)
  ): void = let
    val p0 = $CML.recv(ch)
    val () = $CML.send(primes, p0)
    val ch2 = filter(p0, ch)
  in
    loop (ch2)
  end // end of [loop]
  val _(*tid*) = $CML.spawn(lam () => loop(counter(2)))
in
  primes
end // end of [sieve]

(* ****** ****** *)

(* end of [test01.dats] *)


Upating: improving ATS2-contrib/arduino

Upating: improving ATS2-contrib/arduino

(*
#
# BlinkTalk
#
*)
(* ****** ****** *)

(*
//
// HX-2014-11-08:
// The code is taken from the book on
// "C Programming for Arduino" by Julien Bayle
//
int LEDPIN = 8;
void setup() {
  pinMode(LEDPIN, OUTPUT); Serial.begin(BAUD_RATE);
}

void loop() {
  digitalWrite(ledPin, HIGH);
  Serial.print("the pin "); Serial.print(LEDPIN); Serial.println(" is on");
  delay(250);
  digitalWrite(LEDPIN, LOW);
  Serial.print("the pin "); Serial.print(LEDPIN); Serial.println(" is off");
  delay(1000);
}
*)

(* ****** ****** *)

#define ATS_DYNLOADFLAG 0

(* ****** ****** *)
//
#include
"share/atspre_define.hats"
#include
"{$ARDUINO}/staloadall.hats"
//
(* ****** ****** *)
//
macdef LEDPIN = 8
macdef BAUD_RATE = 9600
//
(* ****** ****** *)
//
extern
fun
setup (): void = "mac#"
//
(* ****** ****** *)

implement
setup () =
{
  val () = pinMode(LEDPIN, OUTPUT)
  val () = Serial._begin(BAUD_RATE)
}

(* ****** ****** *)

extern
fun loop (): void = "mac#"
//
implement loop () =
{
//
val () = digitalWrite(LEDPIN, HIGH)
val () =
(
  Serial.print("the pin "); Serial.print(LEDPIN); Serial.println(" is on");
)
val () = delay (250)
val () = digitalWrite(LEDPIN, LOW )
val () =
(
  Serial.print("the pin "); Serial.print(LEDPIN); Serial.println(" is off");
)
val () = delay (1000)
//
} (* end of [loop] *)

(* ****** ****** *)

(* end of [BlinkTalk.dats] *)


Added handling for D0Cstatmp, having no idea what it is for.

(* ****** ****** *)
//
// ATS-parse-emit-python
//
(* ****** ****** *)
//
// AS-2014-08-17: start
//
(* ****** ****** *)
//
#include
"share/atspre_staload.hats"
//
(* ****** ****** *)
//
staload
UN = "prelude/SATS/unsafe.sats"
//
(* ****** ****** *)
//
staload "./atsparemit.sats"
staload "./atsparemit_syntax.sats"
staload "./atsparemit_syntax_cil.sats"
//
(* ****** ****** *)
//
staload "./atsparemit_emit.sats"
//
(* ****** ****** *)
//
staload "./atsparemit_typedef.dats"
//
(* ****** ****** *)

implement
emit_ENDL (out) = emit_text (out, "\n")

(* ****** ****** *)

implement
emit_SPACE (out) = emit_text (out, " ")

(* ****** ****** *)

implement
emit_SHARP (out) = emit_text (out, "#")

(* ****** ****** *)

implement
emit_COLON (out) = emit_text (out, ":")

(* ****** ****** *)

implement
emit_LPAREN (out) = emit_text (out, "(")
implement
emit_RPAREN (out) = emit_text (out, ")")

(* ****** ****** *)

implement
emit_LBRACE (out) = emit_text (out, "{")
implement
emit_RBRACE (out) = emit_text (out, "}")

(* ****** ****** *)

implement
emit_LBRACKET (out) = emit_text (out, "[")
implement
emit_RBRACKET (out) = emit_text (out, "]")

(* ****** ****** *)

implement
emit_flush (out) = fileref_flush (out)
implement
emit_newline (out) = fprint_newline (out)

(* ****** ****** *)
//
implement
emit_int (out, x) = fprint_int (out, x)
//
implement
emit_text (out, x) = fprint_string (out, x)
//
(* ****** ****** *)
//
implement
emit_symbol (out, x) =
  fprint_string (out, symbol_get_name (x))
//
(* ****** ****** *)

implement
emit_PMVint
  (out, tok) = let
//
val-T_INT(base, rep) = tok.token_node
//
in
  emit_text (out, rep)
end // end of [emit_PMVint]

(* ****** ****** *)

implement
emit_PMVi0nt
  (out, tok) = let
//
val-T_INT(base, rep) = tok.token_node
//
in
  emit_text (out, rep)
end // end of [emit_PMVi0nt]

(* ****** ****** *)
//
implement
emit_PMVbool
  (out, tfv) =
(
  emit_text (out, if tfv then "1" else "0")
) (* end of [emit_PMVbool] *)
//
(* ****** ****** *)
implement
emit_PMVstring
  (out, tok) = let
//
val-T_STRING(rep) = tok.token_node
//
in
  emit_text (out, rep)
end // end of [emit_PMVstring]

(* ****** ****** *)
//
implement
emit_i0de
  (out, id) = emit_symbol (out, id.i0de_sym)
implement
emit_label
  (out, lab) = emit_symbol (out, lab.i0de_sym)
fun
emit_label_mark
  (out, lab) =
  {
    val () = emit_label (out, lab)
    val () = emit_COLON (out)
    val () = emit_ENDL (out)
  }
//
(* ****** ****** *)

implement
emit_extcode
  (out, toks) = let
//
fun
auxtok
(
  out: FILEref, tok: token
) : void =
(
case+
tok.token_node of
//
| T_KWORD _ => ()
//
| T_ENDL () => emit_ENDL (out)
| T_SPACES (cs) => emit_text (out, cs)
//
| T_COMMENT_line () =>
    emit_text (out, "// COMMENT_line\n")
| T_COMMENT_block () => ((*ignored*))
//
| T_INT (_, rep) => emit_text (out, rep)
//
| T_STRING (str) => emit_text (out, str)
//
| T_IDENT_alp (name) => emit_text (out, name)
| T_IDENT_srp (name) => emit_text (out, name) // FIXME?
//
| T_IDENT_sym (name) => emit_text (out, name)
//
| T_LPAREN () => emit_LPAREN (out)
| T_RPAREN () => emit_RPAREN (out)
//
| T_LBRACKET () => emit_LBRACKET (out)
| T_RBRACKET () => emit_RBRACKET (out)
//
| T_LBRACE () => emit_LBRACE (out)
| T_RBRACE () => emit_RBRACE (out)
//
| T_LT () => emit_text (out, "<")
| T_GT () => emit_text (out, ">")
//
| T_MINUS () => emit_text (out, "-")
//
| T_COLON () => emit_text (out, ":")
//
| T_COMMA () => emit_text (out, ",")
| T_SEMICOLON () => emit_text (out, ";")
//
| T_SLASH () => emit_text (out, "/")
//
| _ (*unrecognized*) =>
  {
    val () = fprint! (out, "TOKERR(", tok, ")")
  }
) (* end of [auxtok] *)
//
in
//
case+ toks of
| list_nil () => ()
| list_cons (tok, toks) =>
  (
    auxtok (out, tok); emit_extcode (out, toks)
  ) (* end of [list_cons] *)
//
end // end of [emit_extcode]

(* ****** ****** *)
//
extern
fun emit_instrlst
  (out: FILEref, inss: instrlst, labbeg: label, labend: label) : void
//
extern
fun
emit_s0exp : emit_type (s0exp)
extern
fun
emit_s0explst : emit_type (s0explst)
//
(* ****** ****** *)
//
implement
emit_s0exp
  (out, s0e) = let
//
//
in
//
case+
s0e.s0exp_node of
//
| S0Eide (id) => emit_symbol (out, id)
| S0Elist (s0es) => () // shouldn't happen? marked as "temp"
| S0Eappid (id, s0es) =>
    // FIXME: what about other types? e.g. array types? struct types?
    () where {
      val () = emit_i0de (out, id)
      val () = emit_LPAREN (out)
      val () = emit_s0explst (out, s0es)
      val () = emit_RPAREN (out)
    }
//
end // end of [emit_s0exp]
//
(* ****** ****** *)

implement
emit_s0explst
  (out, s0es) = let
//
fun
loop
(
  out: FILEref, s0es: s0explst, i: int
) : void =
(
case+ s0es of
| list_nil () => ()
| list_cons (s0e, s0es) => let
    val () =
      if i > 0 then emit_text (out, ", ")
    // end of [val]
  in
    emit_s0exp (out, s0e); loop (out, s0es, i+1)
  end // end of [list_cons]
)
//
in
  loop (out, s0es, 0)
end // end of [emit_s0explst]

(* ****** ****** *)
//
extern
fun
funlab_get_index (fl: label): int
extern
fun
tmplab_get_index (lab: label): int
//
(* ****** ****** *)
//
extern
fun
the_f0arglst_get (): f0arglst
extern
fun
the_f0arglst_set (f0as: f0arglst): void
//
(* ****** ****** *)
//
extern
fun
the_tmpdeclst_get (): tmpdeclst
extern
fun
the_tmpdeclst_set (tds: tmpdeclst): void
//
(* ****** ****** *)
//
extern
fun
the_funbodylst_get (): instrlst
extern
fun
the_funbodylst_set (inss: instrlst): void
//
(* ****** ****** *)
//
extern
fun
the_branchlablst_get (): labelist
extern
fun
the_branchlablst_set (labs: labelist): void
//
(* ****** ****** *)
//
extern
fun
the_caseofseqlst_get (): instrlst
extern
fun
the_caseofseqlst_set (inss: instrlst): void
//
(* ****** ****** *)

local
//
val the_f0arglst = ref<f0arglst> (list_nil)
val the_tmpdeclst = ref<tmpdeclst> (list_nil)
//
val the_funbodylst = ref<instrlst> (list_nil)
//
val the_branchlablst = ref<labelist> (list_nil)
val the_caseofseqlst = ref<instrlst> (list_nil)
//
in (* in-of-local *)

implement
the_f0arglst_get () = !the_f0arglst
implement
the_f0arglst_set (xs) = !the_f0arglst := xs

implement
the_tmpdeclst_get () = !the_tmpdeclst
implement
the_tmpdeclst_set (xs) = !the_tmpdeclst := xs

implement
the_funbodylst_get () = !the_funbodylst
implement
the_funbodylst_set (xs) = !the_funbodylst := xs

implement
the_branchlablst_get () = !the_branchlablst
implement
the_branchlablst_set (xs) = !the_branchlablst := xs

implement
the_caseofseqlst_get () = !the_caseofseqlst
implement
the_caseofseqlst_set (xs) = !the_caseofseqlst := xs

end // end of [local]

(* ******* ****** *)

local

fun
loop
(
  out: FILEref, d0es: d0explst, i: int
) : void =
(
case+ d0es of
| list_nil () => ()
| list_cons (d0e, d0es) => let
    val () =
      if i > 0 then emit_newline (out)
    // end of [val]
  in
    emit_d0exp (out, d0e);
    emit_newline (out);
    loop (out, d0es, i+1)
  end // end of [list_cons]
)

in (* in-of-local *)

implement
emit_d0explst (out, d0es) = loop (out, d0es, 0)
implement
emit_d0explst_1 (out, d0es) = loop (out, d0es, 1)

end // end of [local]

(* ******* ****** *)

implement
emit_d0exp
  (out, d0e) = let
in
//
case+
d0e.d0exp_node of
//
| D0Eide (id) =>
  {
    val () =
      if tmpvar_is_arg (id.i0de_sym)
        then emit_text (out, "ldarg")
        else emit_text (out, "ldloc")
    // end of [val]
    val () = emit_SPACE (out)
    val () = emit_i0de (out, id)
  }
//
| D0Eappid (id, d0es) =>
  {
    val () = emit_d0explst (out, d0es)
    val () = emit_text (out, "call")
    val () = emit_SPACE (out)
    val () = emit_i0de (out, id) // FIXME: need also type of [id]!
  }
//
//
| ATSPMVint (tok) =>
  {
    val () = emit_text (out, "ldc.i4")
    val () = emit_SPACE (out)
    val () = emit_PMVint (out, tok)
  } (* end of [ATSPMVint] *)
| ATSPMVi0nt (tok) =>
  {
    val () = emit_text (out, "ldc.i4")
    val () = emit_SPACE (out)
    val () = emit_PMVi0nt (out, tok)
  } (* end of [ATSPMVi0nt] *)
//
| ATSPMVbool (tfv) =>
  {
    val () = emit_text (out, "ldc.i4")
    val () = emit_SPACE (out)
    val () = emit_PMVbool (out, tfv)
  } (* end of [ATSPMVbool] *)
//
| ATSPMVstring (tok) =>
  {
    val () = emit_text (out, "ldstr")
    val () = emit_SPACE(out)
    val () = emit_PMVstring (out, tok)
  } (* end of [ATSPMVstring] *)
//
| ATSPMVf0loat (tok) => emit_text (out, "ATSPMVf0loat(...)")
//
| _ => ()
//
end // end of [emit_d0exp]

(* ****** ****** *)
//
extern
fun emit_f0arg : emit_type (f0arg)
extern
fun emit_f0marg : emit_type (f0marg)
extern
fun emit_f0head : emit_type (f0head)
//
extern
fun emit_f0body : emit_type (f0body)
//
(* ****** ****** *)

implement
emit_f0arg
  (out, f0a) = let
in
//
case+
f0a.f0arg_node of
//
| F0ARGnone s0e => emit_text (out, "__NONE__") // FIXME: how to emit type decl?
| F0ARGsome (id, s0e) =>
  {
    val () = emit_s0exp (out, s0e)
    val () = emit_SPACE (out)
    val () = emit_i0de (out, id)
  } (* end of [F0ARGsome] *)
//
end // end of [emit_f0arg]

(* ****** ****** *)

implement
emit_f0marg
  (out, f0ma) = let
//
fun
loop
(
  out: FILEref, f0as: f0arglst, i: int
) : void =
(
case+ f0as of
| list_nil () => ()
| list_cons (f0a, f0as) => let
    val () =
      if i > 0 then emit_text (out, ", ")
    // end of [val]
  in
    emit_f0arg (out, f0a); loop (out, f0as, i+1)
  end // end of [list_cons]
)
//
in
  loop (out, f0ma.f0marg_node, 0)
end // end of [emit_f0marg]

(* ****** ****** *)

implement
emit_f0head
  (out, fhd) = let
//
val f0as =
  f0head_get_f0arglst (fhd)
//
val () = the_f0arglst_set (f0as)
//
in
//
case+
fhd.f0head_node of
| F0HEAD
    (id(*name of function*), f0ma(*list of arguments*), res(*result type*)) =>
  {
    val () = emit_s0exp (out, res)
    val () = emit_SPACE (out)
    val () = emit_i0de (out, id)
    val () = emit_LPAREN (out)
    val () = emit_f0marg (out, f0ma)
    val () = emit_RPAREN (out)
  }
//
end // end of [emit_f0head]

(* ****** ****** *)
//
extern
fun
emit_tmpdeclst
  (out: FILEref, tds: tmpdeclst): void
//
implement
emit_tmpdeclst
  (out, tds) = let
//
fun auxlst
(
  out: FILEref, tds: tmpdeclst, i: int
) : void =
(
case+ tds of
| list_nil () => ()
| list_cons (td, tds) =>
  (
    case+ td.tmpdec_node of
    | TMPDECnone
        (tmp) => auxlst (out, tds, i) // probably ATStmpdec_void()
    | TMPDECsome
        (tmp, s0e) => let
        val () =
          if i > 0 then
            emit_text(out, ", ")
        // end of [val]
        val () = emit_s0exp (out, s0e)
        val () = emit_SPACE (out)
        val () = emit_i0de (out, tmp)
        val () = emit_newline (out)
      in
        auxlst (out, tds, i+1)
      end // end of [TMPDECsome]
  ) (* end of [list_cons] *)
)
//
in
  auxlst (out, tds, 0)
end // end of [emit_tmpdeclst_initize]
//
(* ****** ****** *)
//
extern
fun emit_instr_0
  (out: FILEref, ins: instr): void
//
implement
emit_instr_0
  (out, ins0) = let
in
//
case+
ins0.instr_node of
//
| ATSreturn (tmp) =>
  {
    val () =
      if tmpvar_is_arg (tmp.i0de_sym)
        then emit_text (out, "ldarg")
        else emit_text (out, "ldloc")
    // end of [val]
    val () = emit_SPACE (out)
    val () = emit_i0de (out, tmp)
    val () = emit_newline (out)
    val () = emit_text (out, "ret")
  }
//
| ATSreturn_void (tmp) =>
  {
    val () = emit_text (out, "ret")
  }
//
| _ => emit_text (out, "**INSTR**")
//
end // end of [emit_instr_0]
//
extern
fun emit_instr
  (out: FILEref, ins: instr, labthis: label, labnext: label) : void
//
implement
emit_instr
  (out, ins0, labthis, labnext) = let
in
//
case+
ins0.instr_node of
//
| ATSif
  (
    d0e(*test*), inss(*then*), inssopt(*else*)
  ) =>
  (
    emit_d0exp (out, d0e);
    emit_newline (out);

    case+ inssopt of
    | Some (inss2) =>
      {
        val () = emit_text (out, "brfalse")
        val () = emit_SPACE (out)
        val L1 = label_for_instrlst (inss2)
        val () = emit_label (out, L1)
        val () = emit_ENDL (out)
        val L0 = label_for_instrlst (inss)
        val brlab = make_label (ins0.instr_loc)
        val () = emit_instrlst (out, inss, L0, brlab)
        val () = emit_label_mark (out, brlab)
        val () = emit_text (out, "br")
        val () = emit_SPACE (out)
        val () = emit_label (out, labnext)
        val () = emit_ENDL (out)
        val () = emit_instrlst (out, inss2, L1, labnext)
      }
    | None () =>
      {
        val () = emit_text (out, "brfalse")
        val () = emit_SPACE (out)
        val () = emit_label (out, labnext)
        val () = emit_ENDL (out)
        val () = emit_instrlst (out, inss, labthis, labnext)
      }
  )
// TODO: ATSifthen, ATSifnthen, ATScaseofseq, ATSbranchseq
// TODO: ATSlinepragma
//
| ATSreturn (tmp) =>
  {
    val () =
      if tmpvar_is_arg (tmp.i0de_sym)
        then emit_text (out, "ldarg")
        else emit_text (out, "ldloc")
    // end of [val]
    val () = emit_SPACE (out)
    val () = emit_i0de (out, tmp)
    val () = emit_newline (out)
    val () = emit_text (out, "ret")
  }
//
| ATSreturn_void (tmp) =>
  {
    val () = emit_text (out, "ret")
  }
//
(*
| ATSlinepragma (line, file) =>
  {
    val () = emit_text (out, ".line")
    val () = emit_SPACE (out)
    val-T_INT(_, lpos) = line.token_node
    val () = emit_text (out, lpos)
    val () = emit_SPACE (out)
    val-T_STRING(filnam) = file.token_node
    val () = emit_text (out, filnam)
  }
*)
//
(*
| ATSINSlab (lab) =>
  {
    val () = emit_label_mark (out, lab)
  }
*)
//
| ATSINSgoto (lab) =>
  {
    val () = emit_text (out, "br")
    val () = emit_SPACE (out)
    val () = emit_label (out, lab)
  }
//
(*
| ATSINSflab (flab) =>
  {
    val () = emit_label_mark (out, flab)
  }
*)
//
| ATSINSfgoto (flab) =>
  {
    val () = emit_text (out, "br")
    val () = emit_SPACE (out)
    val () = emit_label (out, flab)
  }
//
| ATSINSmove (tmp, d0e) =>
  {
    val () = emit_d0exp (out, d0e)
    val () = emit_newline (out)
    val () =
      if tmpvar_is_arg (tmp.i0de_sym)
        then emit_text (out, "starg")
        else emit_text (out, "stloc")
    // end of [val]
    val () = emit_SPACE (out)
    val () = emit_i0de (out, tmp)
  } (* end of [ATSINSmove] *)
| ATSINSmove_void (_, d0e) =>
  {
    val () = emit_d0exp (out, d0e)
  } (* end of [ATSINSmove_void] *)
// TODO: ATSdynload0, ATSdynload1, ATSdynloadset
//
| _ =>
  {
    val () = emit_text (out, "**INSTR**")
  }
//
end // end of [emit_instr]

(* ****** ****** *)
implement
emit_instrlst
(
  out, inss, labthis, lablast
) = (
//
case+ inss of
| list_nil () => ()
| list_cons (ins0, inss) => let
  //
  //
  in
    case+ ins0.instr_node of
    | ATSINSlab (label) =>
      (
        emit_instrlst (out, inss, label, lablast)
      )
    | ATSINSflab (label) =>
      (
        emit_instrlst (out, inss, label, lablast)
      )
    | ATSlinepragma (line, file) =>
      {
        val () = emit_text (out, ".line")
        val () = emit_SPACE (out)
        val-T_INT(_, lpos) = line.token_node
        val () = emit_text (out, lpos)
        val () = emit_SPACE (out)
        val-T_STRING(filnam) = file.token_node
        val () = emit_text (out, filnam)
        val () = emit_ENDL (out)
        val () = emit_instrlst (out, inss, labthis, lablast)
      }
    | _(*other*) =>
      {
        val () = emit_label_mark (out, labthis)
        val labnext =
        (
          case+ inss of
          | list_nil () => lablast
          | _ => label_for_instrlst (inss)
        ) (* end of [val] *)
        val () = emit_instr (out, ins0, labthis, labnext)
        val () = emit_ENDL (out)
        val () = emit_instrlst (out, inss, labnext, lablast)
      }
  end // end of [let]
//
) (* end of [emit_instrlst] *)

(* ****** ****** *)
//
extern
fun emit_ATSfunbodyseq
  (out: FILEref, ins: instr, labnext: label) : void
//
implement
emit_ATSfunbodyseq
  (out, ins, labnext) = let
//
val-ATSfunbodyseq (inss) = ins.instr_node
val L1 = label_for_instrlst (inss)
//
in
  emit_instrlst (out, inss, L1, labnext)
end // end of [emit_ATSfunbodyseq]

(* ****** ****** *)
//
extern
fun emit_f0body_0 : emit_type (f0body)
//
implement
emit_f0body_0
  (out, fbody) = let
//
fun
auxlst
(
  out: FILEref, inss: instrlst
) : void =
(
case+ inss of
| list_nil () => ()
| list_cons
    (ins0, inss1) => let
    val-list_cons (ins1, inss2) = inss1
    val labnext = label_for_instrlst (inss1)
    val () = emit_ATSfunbodyseq (out, ins0, labnext)
    val () = emit_label_mark (out, labnext)
    // FIXME: inss2 is EMPTY! what now?
    val lablast =
    (
      case+ inss2 of
      | list_nil () => i0de_make_string (location_dummy, "LASTLABEL")
      | _ => label_for_instrlst (inss2)
    )
    val () = emit_instr (out, ins1, labnext, lablast)
  in
    auxlst (out, inss2)
  end // end of [list_cons]
) (* end of [auxlst] *)
//
in
//
case+
fbody.f0body_node of
//
| F0BODY (tds, inss) => let
    val () = label_reset ()
  in
    auxlst (out, inss)
  end // end of [auxlst]
//
end // end of [emit_f0body_0]

(* ****** ****** *)
implement
emit_f0body
  (out, fbody) = let
//
val tmpdecs =
  f0body_get_tmpdeclst (fbody)
//
val () = the_tmpdeclst_set (tmpdecs)
val () = emit_LBRACE (out)
val () = emit_newline (out)
// TODO: how to compute maxstack?
val () = emit_text (out, ".maxstack 16")
val () = emit_newline (out)
// emit locals
val () = emit_text (out, ".locals")
val () = emit_SPACE (out)
(*
val () = emit_text (out, "init")
val () = emit_SPACE (out)
*)
val () = emit_LPAREN (out)
val () = emit_newline (out)
val () = emit_tmpdeclst (out, tmpdecs)
val () = emit_RPAREN (out)
val () = emit_newline (out)

val () = emit_f0body_0 (out, fbody)
val () = emit_newline (out)
val () = emit_RBRACE (out)
in
//
//
end // end of [emit_f0body]

(* ****** ****** *)

implement
emit_f0decl
  (out, fdec) = let
in
//
case+
fdec.f0decl_node of
| F0DECLnone (fhd) =>
  // does this actually mean function declaration (e.g. forward function decl)?
  ()
| F0DECLsome (fhd, fbody) =>
  {
    val () = emit_text (out, ".method")
    val () = emit_SPACE (out)
    val () = emit_text (out, "static")
    // TODO: public/private?
    // static -> private
    val () = emit_SPACE (out)
    val () = emit_text (out, "public")
    val () = emit_SPACE (out)
    // FIXME: where is the type of this function??
    // TODO: use
    val () = emit_f0head (out, fhd)
    val () = emit_SPACE (out)
    val () = emit_text (out, "cil")
    val () = emit_SPACE (out)
    val () = emit_text (out, "managed")
    val () = emit_newline (out)
    val () = emit_f0body (out, fbody)
    val () = emit_newline (out)
  } (* end of [F0DECLsome] *)
//
end // end of [emit_f0decl]

(* ****** ****** *)

//
extern
fun
tyrec_labsel
  (tyrec: tyrec, lab: symbol): int
//
implement
tyrec_labsel
  (tyrec, lab) = let
//
fun loop
(
  xs: tyfldlst, i: int
) : int =
(
case+ xs of
| list_cons (x, xs) => let
    val TYFLD (id, s0e) = x.tyfld_node
  in
    if lab = id.i0de_sym then i else loop (xs, i+1)
  end // end of [list_cons
| list_nil ((*void*)) => ~1(*error*)
)
//
in
  loop (tyrec.tyrec_node, 0)
end // end of [tyrec_labsel]
//
(* ****** ****** *)

implement
emit_SELcon
  (out, d0e) = let
//
val-ATSSELcon
  (d0rec, s0e, id) = d0e.d0exp_node
val-S0Eide (name) = s0e.s0exp_node
val-~Some_vt (s0rec) = typedef_search_opt (name)
//
val index = tyrec_labsel (s0rec, id.i0de_sym)
//
val () =
  emit_d0exp (out, d0rec)
//
val () = emit_LBRACKET (out)
val () = emit_int (out, index)
val () = emit_RBRACKET (out)
//
in
  // nothing
end // end of [emit_SELcon]

(* ****** ****** *)

implement
emit_SELboxrec
  (out, d0e) = let
//
val-ATSSELboxrec
  (d0rec, s0e, id) = d0e.d0exp_node
val-S0Eide (name) = s0e.s0exp_node
val-~Some_vt (s0rec) = typedef_search_opt (name)
//
val index = tyrec_labsel (s0rec, id.i0de_sym)
//
val () =
  emit_d0exp (out, d0rec)
//
val () = emit_LBRACKET (out)
val () = emit_int (out, index)
val () = emit_RBRACKET (out)
//
in
  // nothing
end // end of [emit_SELboxrec]

(* ****** ****** *)
//
#define
ATSEXTCODE_BEG "/*\nATSextcode_beg()\n*/"
#define
ATSEXTCODE_END "/*\nATSextcode_end()\n*/"
//
(* ****** ****** *)

implement
emit_d0ecl
  (out, d0c) = let
in
//
case+
d0c.d0ecl_node of
//
| D0Cinclude include =>
  {
    val () = emit_text (out, "#include")
    val () = emit_SPACE (out)
    val-T_STRING(filnam) = include.token_node
    val () = emit_text (out, filnam)
    val () = emit_newline (out)
  }
//
| D0Cifdef (i0de, d0eclist) =>
  {
    val () = emit_text (out, "#ifdef")
    val () = emit_SPACE (out)
    val () = emit_newline (out)
    val () = emit_text (out, "#endif")
    val () = emit_newline (out)
  }
| D0Cifndef (i0de, d0eclist) =>
  {
    val () = emit_text (out, "#ifndef")
    val () = emit_SPACE (out)
    val () = emit_newline (out)
    val () = emit_text (out, "#endif")
    val () = emit_newline (out)
  }
//
| D0Ctypedef (id, def) =>
  {
    val () = typedef_insert (id.i0de_sym, def)
    // TODO: insert type (class) declaration
  } (* end of [D0Ctypedef] *)
//
| D0Cdyncst_mac ide =>
  {
    val () = emit_text (out, "dyncst_mac")
    val () = emit_SPACE (out)
    val filnam = ide.i0de_sym
    val () = emit_symbol (out, filnam)
    val () = emit_ENDL (out)
  }
| D0Cdyncst_extfun (i0de, s0explst, s0exp) =>
  {
  }
//
| D0Cstatmp
    (tmp, opt) =>
  {
    val () = (
      case+ opt of
      | Some _ => () | None () => emit_text (out, "//")
    ) (* end of [val] *)
    val () = (
      emit_i0de (out, tmp)
    ) (* end of [val] *)
  } (* end of [D0Cstatmp] *)
//
| D0Cextcode (toks) =>
  {
    val () = emit_text (out, ATSEXTCODE_BEG)
    val () = emit_extcode (out, toks)
    val () = emit_text (out, ATSEXTCODE_END)
  }
| D0Cclosurerize (_, _, _, _) => ()
//
| D0Cfundecl (fk, f0d) => emit_f0decl (out, f0d)
//
end // end of [emit_d0ecl]

(* ****** ****** *)

implement
emit_toplevel
  (out, d0cs) = let
//
fun
loop
(
  out: FILEref, d0cs: d0eclist
) : void =
(
//
case+ d0cs of
| list_nil () => ()
| list_cons
    (d0c, d0cs) => let
  in
    emit_d0ecl (out, d0c); loop (out, d0cs)
  end // end of [list_cons]
//
)
//
in
  // TODO:
  // - emit assembly references
  // - emit .corflags, .subsystem
  // - emit .module <filename>
  //   - where <filename> is the name of the source file (e.g. foo.dats)
  loop (out, d0cs)
end // end of [emit_toplevel]

(* ****** ****** *)

(* end of [atsparemit_emit_cil.dats] *)

(* ****** ****** *)
//
// ATS-parse-emit-python
//
(* ****** ****** *)
//
// AS-2014-08-17: start
//
(* ****** ****** *)
//
#include
"share/atspre_staload.hats"
//
(* ****** ****** *)
//
staload
UN = "prelude/SATS/unsafe.sats"
//
(* ****** ****** *)
//
staload "./atsparemit.sats"
staload "./atsparemit_syntax.sats"
staload "./atsparemit_syntax_cil.sats"
//
(* ****** ****** *)
//
staload "./atsparemit_emit.sats"
//
(* ****** ****** *)
//
staload "./atsparemit_typedef.dats"
//
(* ****** ****** *)

implement
emit_ENDL (out) = emit_text (out, "\n")

(* ****** ****** *)

implement
emit_SPACE (out) = emit_text (out, " ")

(* ****** ****** *)

implement
emit_SHARP (out) = emit_text (out, "#")

(* ****** ****** *)

implement
emit_COLON (out) = emit_text (out, ":")

(* ****** ****** *)

implement
emit_LPAREN (out) = emit_text (out, "(")
implement
emit_RPAREN (out) = emit_text (out, ")")

(* ****** ****** *)

implement
emit_LBRACE (out) = emit_text (out, "{")
implement
emit_RBRACE (out) = emit_text (out, "}")

(* ****** ****** *)

implement
emit_LBRACKET (out) = emit_text (out, "[")
implement
emit_RBRACKET (out) = emit_text (out, "]")

(* ****** ****** *)

implement
emit_flush (out) = fileref_flush (out)
implement
emit_newline (out) = fprint_newline (out)

(* ****** ****** *)
//
implement
emit_int (out, x) = fprint_int (out, x)
//
implement
emit_text (out, x) = fprint_string (out, x)
//
(* ****** ****** *)
//
implement
emit_symbol (out, x) =
  fprint_string (out, symbol_get_name (x))
//
(* ****** ****** *)

implement
emit_PMVint
  (out, tok) = let
//
val-T_INT(base, rep) = tok.token_node
//
in
  emit_text (out, rep)
end // end of [emit_PMVint]

(* ****** ****** *)

implement
emit_PMVi0nt
  (out, tok) = let
//
val-T_INT(base, rep) = tok.token_node
//
in
  emit_text (out, rep)
end // end of [emit_PMVi0nt]

(* ****** ****** *)
//
implement
emit_PMVbool
  (out, tfv) =
(
  emit_text (out, if tfv then "1" else "0")
) (* end of [emit_PMVbool] *)
//
(* ****** ****** *)
implement
emit_PMVstring
  (out, tok) = let
//
val-T_STRING(rep) = tok.token_node
//
in
  emit_text (out, rep)
end // end of [emit_PMVstring]

(* ****** ****** *)
//
implement
emit_i0de
  (out, id) = emit_symbol (out, id.i0de_sym)
implement
emit_label
  (out, lab) = emit_symbol (out, lab.i0de_sym)
fun
emit_label_mark
  (out, lab) =
  {
    val () = emit_label (out, lab)
    val () = emit_COLON (out)
    val () = emit_ENDL (out)
  }
//
(* ****** ****** *)

implement
emit_extcode
  (out, toks) = let
//
fun
auxtok
(
  out: FILEref, tok: token
) : void =
(
case+
tok.token_node of
//
| T_KWORD _ => ()
//
| T_ENDL () => emit_ENDL (out)
| T_SPACES (cs) => emit_text (out, cs)
//
| T_COMMENT_line () =>
    emit_text (out, "// COMMENT_line\n")
| T_COMMENT_block () => ((*ignored*))
//
| T_INT (_, rep) => emit_text (out, rep)
//
| T_STRING (str) => emit_text (out, str)
//
| T_IDENT_alp (name) => emit_text (out, name)
| T_IDENT_srp (name) => emit_text (out, name) // FIXME?
//
| T_IDENT_sym (name) => emit_text (out, name)
//
| T_LPAREN () => emit_LPAREN (out)
| T_RPAREN () => emit_RPAREN (out)
//
| T_LBRACKET () => emit_LBRACKET (out)
| T_RBRACKET () => emit_RBRACKET (out)
//
| T_LBRACE () => emit_LBRACE (out)
| T_RBRACE () => emit_RBRACE (out)
//
| T_LT () => emit_text (out, "<")
| T_GT () => emit_text (out, ">")
//
| T_MINUS () => emit_text (out, "-")
//
| T_COLON () => emit_text (out, ":")
//
| T_COMMA () => emit_text (out, ",")
| T_SEMICOLON () => emit_text (out, ";")
//
| T_SLASH () => emit_text (out, "/")
//
| _ (*unrecognized*) =>
  {
    val () = fprint! (out, "TOKERR(", tok, ")")
  }
) (* end of [auxtok] *)
//
in
//
case+ toks of
| list_nil () => ()
| list_cons (tok, toks) =>
  (
    auxtok (out, tok); emit_extcode (out, toks)
  ) (* end of [list_cons] *)
//
end // end of [emit_extcode]

(* ****** ****** *)
//
extern
fun emit_instrlst
  (out: FILEref, inss: instrlst, labbeg: label, labend: label) : void
//
extern
fun
emit_s0exp : emit_type (s0exp)
extern
fun
emit_s0explst : emit_type (s0explst)
//
(* ****** ****** *)
//
implement
emit_s0exp
  (out, s0e) = let
//
//
in
//
case+
s0e.s0exp_node of
//
| S0Eide (id) => emit_symbol (out, id)
| S0Elist (s0es) => () // shouldn't happen? marked as "temp"
| S0Eappid (id, s0es) =>
    // FIXME: what about other types? e.g. array types? struct types?
    () where {
      val () = emit_i0de (out, id)
      val () = emit_LPAREN (out)
      val () = emit_s0explst (out, s0es)
      val () = emit_RPAREN (out)
    }
//
end // end of [emit_s0exp]
//
(* ****** ****** *)

implement
emit_s0explst
  (out, s0es) = let
//
fun
loop
(
  out: FILEref, s0es: s0explst, i: int
) : void =
(
case+ s0es of
| list_nil () => ()
| list_cons (s0e, s0es) => let
    val () =
      if i > 0 then emit_text (out, ", ")
    // end of [val]
  in
    emit_s0exp (out, s0e); loop (out, s0es, i+1)
  end // end of [list_cons]
)
//
in
  loop (out, s0es, 0)
end // end of [emit_s0explst]

(* ****** ****** *)
//
extern
fun
funlab_get_index (fl: label): int
extern
fun
tmplab_get_index (lab: label): int
//
(* ****** ****** *)
//
extern
fun
the_f0arglst_get (): f0arglst
extern
fun
the_f0arglst_set (f0as: f0arglst): void
//
(* ****** ****** *)
//
extern
fun
the_tmpdeclst_get (): tmpdeclst
extern
fun
the_tmpdeclst_set (tds: tmpdeclst): void
//
(* ****** ****** *)
//
extern
fun
the_funbodylst_get (): instrlst
extern
fun
the_funbodylst_set (inss: instrlst): void
//
(* ****** ****** *)
//
extern
fun
the_branchlablst_get (): labelist
extern
fun
the_branchlablst_set (labs: labelist): void
//
(* ****** ****** *)
//
extern
fun
the_caseofseqlst_get (): instrlst
extern
fun
the_caseofseqlst_set (inss: instrlst): void
//
(* ****** ****** *)

local
//
val the_f0arglst = ref<f0arglst> (list_nil)
val the_tmpdeclst = ref<tmpdeclst> (list_nil)
//
val the_funbodylst = ref<instrlst> (list_nil)
//
val the_branchlablst = ref<labelist> (list_nil)
val the_caseofseqlst = ref<instrlst> (list_nil)
//
in (* in-of-local *)

implement
the_f0arglst_get () = !the_f0arglst
implement
the_f0arglst_set (xs) = !the_f0arglst := xs

implement
the_tmpdeclst_get () = !the_tmpdeclst
implement
the_tmpdeclst_set (xs) = !the_tmpdeclst := xs

implement
the_funbodylst_get () = !the_funbodylst
implement
the_funbodylst_set (xs) = !the_funbodylst := xs

implement
the_branchlablst_get () = !the_branchlablst
implement
the_branchlablst_set (xs) = !the_branchlablst := xs

implement
the_caseofseqlst_get () = !the_caseofseqlst
implement
the_caseofseqlst_set (xs) = !the_caseofseqlst := xs

end // end of [local]

(* ******* ****** *)

local

fun
loop
(
  out: FILEref, d0es: d0explst, i: int
) : void =
(
case+ d0es of
| list_nil () => ()
| list_cons (d0e, d0es) => let
    val () =
      if i > 0 then emit_newline (out)
    // end of [val]
  in
    emit_d0exp (out, d0e);
    emit_newline (out);
    loop (out, d0es, i+1)
  end // end of [list_cons]
)

in (* in-of-local *)

implement
emit_d0explst (out, d0es) = loop (out, d0es, 0)
implement
emit_d0explst_1 (out, d0es) = loop (out, d0es, 1)

end // end of [local]

(* ******* ****** *)

implement
emit_d0exp
  (out, d0e) = let
in
//
case+
d0e.d0exp_node of
//
| D0Eide (id) =>
  {
    val () =
      if tmpvar_is_arg (id.i0de_sym)
        then emit_text (out, "ldarg")
        else emit_text (out, "ldloc")
    // end of [val]
    val () = emit_SPACE (out)
    val () = emit_i0de (out, id)
  }
//
| D0Eappid (id, d0es) =>
  {
    val () = emit_d0explst (out, d0es)
    val () = emit_text (out, "call")
    val () = emit_SPACE (out)
    val () = emit_i0de (out, id) // FIXME: need also type of [id]!
  }
//
//
| ATSPMVint (tok) =>
  {
    val () = emit_text (out, "ldc.i4")
    val () = emit_SPACE (out)
    val () = emit_PMVint (out, tok)
  } (* end of [ATSPMVint] *)
| ATSPMVi0nt (tok) =>
  {
    val () = emit_text (out, "ldc.i4")
    val () = emit_SPACE (out)
    val () = emit_PMVi0nt (out, tok)
  } (* end of [ATSPMVi0nt] *)
//
| ATSPMVbool (tfv) =>
  {
    val () = emit_text (out, "ldc.i4")
    val () = emit_SPACE (out)
    val () = emit_PMVbool (out, tfv)
  } (* end of [ATSPMVbool] *)
//
| ATSPMVstring (tok) =>
  {
    val () = emit_text (out, "ldstr")
    val () = emit_SPACE(out)
    val () = emit_PMVstring (out, tok)
  } (* end of [ATSPMVstring] *)
//
| ATSPMVf0loat (tok) => emit_text (out, "ATSPMVf0loat(...)")
//
| _ => ()
//
end // end of [emit_d0exp]

(* ****** ****** *)
//
extern
fun emit_f0arg : emit_type (f0arg)
extern
fun emit_f0marg : emit_type (f0marg)
extern
fun emit_f0head : emit_type (f0head)
//
extern
fun emit_f0body : emit_type (f0body)
//
(* ****** ****** *)

implement
emit_f0arg
  (out, f0a) = let
in
//
case+
f0a.f0arg_node of
//
| F0ARGnone s0e => emit_text (out, "__NONE__") // FIXME: how to emit type decl?
| F0ARGsome (id, s0e) =>
  {
    val () = emit_s0exp (out, s0e)
    val () = emit_SPACE (out)
    val () = emit_i0de (out, id)
  } (* end of [F0ARGsome] *)
//
end // end of [emit_f0arg]

(* ****** ****** *)

implement
emit_f0marg
  (out, f0ma) = let
//
fun
loop
(
  out: FILEref, f0as: f0arglst, i: int
) : void =
(
case+ f0as of
| list_nil () => ()
| list_cons (f0a, f0as) => let
    val () =
      if i > 0 then emit_text (out, ", ")
    // end of [val]
  in
    emit_f0arg (out, f0a); loop (out, f0as, i+1)
  end // end of [list_cons]
)
//
in
  loop (out, f0ma.f0marg_node, 0)
end // end of [emit_f0marg]

(* ****** ****** *)

implement
emit_f0head
  (out, fhd) = let
//
val f0as =
  f0head_get_f0arglst (fhd)
//
val () = the_f0arglst_set (f0as)
//
in
//
case+
fhd.f0head_node of
| F0HEAD
    (id(*name of function*), f0ma(*list of arguments*), res(*result type*)) =>
  {
    val () = emit_s0exp (out, res)
    val () = emit_SPACE (out)
    val () = emit_i0de (out, id)
    val () = emit_LPAREN (out)
    val () = emit_f0marg (out, f0ma)
    val () = emit_RPAREN (out)
  }
//
end // end of [emit_f0head]

(* ****** ****** *)
//
extern
fun
emit_tmpdeclst
  (out: FILEref, tds: tmpdeclst): void
//
implement
emit_tmpdeclst
  (out, tds) = let
//
fun auxlst
(
  out: FILEref, tds: tmpdeclst, i: int
) : void =
(
case+ tds of
| list_nil () => ()
| list_cons (td, tds) =>
  (
    case+ td.tmpdec_node of
    | TMPDECnone
        (tmp) => auxlst (out, tds, i) // probably ATStmpdec_void()
    | TMPDECsome
        (tmp, s0e) => let
        val () =
          if i > 0 then
            emit_text(out, ", ")
        // end of [val]
        val () = emit_s0exp (out, s0e)
        val () = emit_SPACE (out)
        val () = emit_i0de (out, tmp)
        val () = emit_newline (out)
      in
        auxlst (out, tds, i+1)
      end // end of [TMPDECsome]
  ) (* end of [list_cons] *)
)
//
in
  auxlst (out, tds, 0)
end // end of [emit_tmpdeclst_initize]
//
(* ****** ****** *)
//
extern
fun emit_instr_0
  (out: FILEref, ins: instr): void
//
implement
emit_instr_0
  (out, ins0) = let
in
//
case+
ins0.instr_node of
//
| ATSreturn (tmp) =>
  {
    val () =
      if tmpvar_is_arg (tmp.i0de_sym)
        then emit_text (out, "ldarg")
        else emit_text (out, "ldloc")
    // end of [val]
    val () = emit_SPACE (out)
    val () = emit_i0de (out, tmp)
    val () = emit_newline (out)
    val () = emit_text (out, "ret")
  }
//
| ATSreturn_void (tmp) =>
  {
    val () = emit_text (out, "ret")
  }
//
| _ => emit_text (out, "**INSTR**")
//
end // end of [emit_instr_0]
//
extern
fun emit_instr
  (out: FILEref, ins: instr, labthis: label, labnext: label) : void
//
implement
emit_instr
  (out, ins0, labthis, labnext) = let
in
//
case+
ins0.instr_node of
//
| ATSif
  (
    d0e(*test*), inss(*then*), inssopt(*else*)
  ) =>
  (
    emit_d0exp (out, d0e);
    emit_newline (out);

    case+ inssopt of
    | Some (inss2) =>
      {
        val () = emit_text (out, "brfalse")
        val () = emit_SPACE (out)
        val L1 = label_for_instrlst (inss2)
        val () = emit_label (out, L1)
        val () = emit_ENDL (out)
        val L0 = label_for_instrlst (inss)
        val brlab = make_label (ins0.instr_loc)
        val () = emit_instrlst (out, inss, L0, brlab)
        val () = emit_label_mark (out, brlab)
        val () = emit_text (out, "br")
        val () = emit_SPACE (out)
        val () = emit_label (out, labnext)
        val () = emit_ENDL (out)
        val () = emit_instrlst (out, inss2, L1, labnext)
      }
    | None () =>
      {
        val () = emit_text (out, "brfalse")
        val () = emit_SPACE (out)
        val () = emit_label (out, labnext)
        val () = emit_ENDL (out)
        val () = emit_instrlst (out, inss, labthis, labnext)
      }
  )
// TODO: ATSifthen, ATSifnthen, ATScaseofseq, ATSbranchseq
// TODO: ATSlinepragma
//
| ATSreturn (tmp) =>
  {
    val () =
      if tmpvar_is_arg (tmp.i0de_sym)
        then emit_text (out, "ldarg")
        else emit_text (out, "ldloc")
    // end of [val]
    val () = emit_SPACE (out)
    val () = emit_i0de (out, tmp)
    val () = emit_newline (out)
    val () = emit_text (out, "ret")
  }
//
| ATSreturn_void (tmp) =>
  {
    val () = emit_text (out, "ret")
  }
//
(*
| ATSlinepragma (line, file) =>
  {
    val () = emit_text (out, ".line")
    val () = emit_SPACE (out)
    val-T_INT(_, lpos) = line.token_node
    val () = emit_text (out, lpos)
    val () = emit_SPACE (out)
    val-T_STRING(filnam) = file.token_node
    val () = emit_text (out, filnam)
  }
*)
//
(*
| ATSINSlab (lab) =>
  {
    val () = emit_label_mark (out, lab)
  }
*)
//
| ATSINSgoto (lab) =>
  {
    val () = emit_text (out, "br")
    val () = emit_SPACE (out)
    val () = emit_label (out, lab)
  }
//
(*
| ATSINSflab (flab) =>
  {
    val () = emit_label_mark (out, flab)
  }
*)
//
| ATSINSfgoto (flab) =>
  {
    val () = emit_text (out, "br")
    val () = emit_SPACE (out)
    val () = emit_label (out, flab)
  }
//
| ATSINSmove (tmp, d0e) =>
  {
    val () = emit_d0exp (out, d0e)
    val () = emit_newline (out)
    val () =
      if tmpvar_is_arg (tmp.i0de_sym)
        then emit_text (out, "starg")
        else emit_text (out, "stloc")
    // end of [val]
    val () = emit_SPACE (out)
    val () = emit_i0de (out, tmp)
  } (* end of [ATSINSmove] *)
| ATSINSmove_void (_, d0e) =>
  {
    val () = emit_d0exp (out, d0e)
  } (* end of [ATSINSmove_void] *)
// TODO: ATSdynload0, ATSdynload1, ATSdynloadset
//
| _ =>
  {
    val () = emit_text (out, "**INSTR**")
  }
//
end // end of [emit_instr]

(* ****** ****** *)
implement
emit_instrlst
(
  out, inss, labthis, lablast
) = (
//
case+ inss of
| list_nil () => ()
| list_cons (ins0, inss) => let
  //
  //
  in
    case+ ins0.instr_node of
    | ATSINSlab (label) =>
      (
        emit_instrlst (out, inss, label, lablast)
      )
    | ATSINSflab (label) =>
      (
        emit_instrlst (out, inss, label, lablast)
      )
    | ATSlinepragma (line, file) =>
      {
        val () = emit_text (out, ".line")
        val () = emit_SPACE (out)
        val-T_INT(_, lpos) = line.token_node
        val () = emit_text (out, lpos)
        val () = emit_SPACE (out)
        val-T_STRING(filnam) = file.token_node
        val () = emit_text (out, filnam)
        val () = emit_ENDL (out)
        val () = emit_instrlst (out, inss, labthis, lablast)
      }
    | _(*other*) =>
      {
        val () = emit_label_mark (out, labthis)
        val labnext =
        (
          case+ inss of
          | list_nil () => lablast
          | _ => label_for_instrlst (inss)
        ) (* end of [val] *)
        val () = emit_instr (out, ins0, labthis, labnext)
        val () = emit_ENDL (out)
        val () = emit_instrlst (out, inss, labnext, lablast)
      }
  end // end of [let]
//
) (* end of [emit_instrlst] *)

(* ****** ****** *)
//
extern
fun emit_ATSfunbodyseq
  (out: FILEref, ins: instr, labnext: label) : void
//
implement
emit_ATSfunbodyseq
  (out, ins, labnext) = let
//
val-ATSfunbodyseq (inss) = ins.instr_node
val L1 = label_for_instrlst (inss)
//
in
  emit_instrlst (out, inss, L1, labnext)
end // end of [emit_ATSfunbodyseq]

(* ****** ****** *)
//
extern
fun emit_f0body_0 : emit_type (f0body)
//
implement
emit_f0body_0
  (out, fbody) = let
//
fun
auxlst
(
  out: FILEref, inss: instrlst
) : void =
(
case+ inss of
| list_nil () => ()
| list_cons
    (ins0, inss1) => let
    val-list_cons (ins1, inss2) = inss1
    val labnext = label_for_instrlst (inss1)
    val () = emit_ATSfunbodyseq (out, ins0, labnext)
    val () = emit_label_mark (out, labnext)
    // FIXME: inss2 is EMPTY! what now?
    val lablast =
    (
      case+ inss2 of
      | list_nil () => i0de_make_string (location_dummy, "LASTLABEL")
      | _ => label_for_instrlst (inss2)
    )
    val () = emit_instr (out, ins1, labnext, lablast)
  in
    auxlst (out, inss2)
  end // end of [list_cons]
) (* end of [auxlst] *)
//
in
//
case+
fbody.f0body_node of
//
| F0BODY (tds, inss) => let
    val () = label_reset ()
  in
    auxlst (out, inss)
  end // end of [auxlst]
//
end // end of [emit_f0body_0]

(* ****** ****** *)
implement
emit_f0body
  (out, fbody) = let
//
val tmpdecs =
  f0body_get_tmpdeclst (fbody)
//
val () = the_tmpdeclst_set (tmpdecs)
val () = emit_LBRACE (out)
val () = emit_newline (out)
// TODO: how to compute maxstack?
val () = emit_text (out, ".maxstack 16")
val () = emit_newline (out)
// emit locals
val () = emit_text (out, ".locals")
val () = emit_SPACE (out)
(*
val () = emit_text (out, "init")
val () = emit_SPACE (out)
*)
val () = emit_LPAREN (out)
val () = emit_newline (out)
val () = emit_tmpdeclst (out, tmpdecs)
val () = emit_RPAREN (out)
val () = emit_newline (out)

val () = emit_f0body_0 (out, fbody)
val () = emit_newline (out)
val () = emit_RBRACE (out)
in
//
//
end // end of [emit_f0body]

(* ****** ****** *)

implement
emit_f0decl
  (out, fdec) = let
in
//
case+
fdec.f0decl_node of
| F0DECLnone (fhd) =>
  // does this actually mean function declaration (e.g. forward function decl)?
  ()
| F0DECLsome (fhd, fbody) =>
  {
    val () = emit_text (out, ".method")
    val () = emit_SPACE (out)
    val () = emit_text (out, "static")
    // TODO: public/private?
    // static -> private
    val () = emit_SPACE (out)
    val () = emit_text (out, "public")
    val () = emit_SPACE (out)
    // FIXME: where is the type of this function??
    // TODO: use
    val () = emit_f0head (out, fhd)
    val () = emit_SPACE (out)
    val () = emit_text (out, "cil")
    val () = emit_SPACE (out)
    val () = emit_text (out, "managed")
    val () = emit_newline (out)
    val () = emit_f0body (out, fbody)
    val () = emit_newline (out)
  } (* end of [F0DECLsome] *)
//
end // end of [emit_f0decl]

(* ****** ****** *)

//
extern
fun
tyrec_labsel
  (tyrec: tyrec, lab: symbol): int
//
implement
tyrec_labsel
  (tyrec, lab) = let
//
fun loop
(
  xs: tyfldlst, i: int
) : int =
(
case+ xs of
| list_cons (x, xs) => let
    val TYFLD (id, s0e) = x.tyfld_node
  in
    if lab = id.i0de_sym then i else loop (xs, i+1)
  end // end of [list_cons
| list_nil ((*void*)) => ~1(*error*)
)
//
in
  loop (tyrec.tyrec_node, 0)
end // end of [tyrec_labsel]
//
(* ****** ****** *)

implement
emit_SELcon
  (out, d0e) = let
//
val-ATSSELcon
  (d0rec, s0e, id) = d0e.d0exp_node
val-S0Eide (name) = s0e.s0exp_node
val-~Some_vt (s0rec) = typedef_search_opt (name)
//
val index = tyrec_labsel (s0rec, id.i0de_sym)
//
val () =
  emit_d0exp (out, d0rec)
//
val () = emit_LBRACKET (out)
val () = emit_int (out, index)
val () = emit_RBRACKET (out)
//
in
  // nothing
end // end of [emit_SELcon]

(* ****** ****** *)

implement
emit_SELboxrec
  (out, d0e) = let
//
val-ATSSELboxrec
  (d0rec, s0e, id) = d0e.d0exp_node
val-S0Eide (name) = s0e.s0exp_node
val-~Some_vt (s0rec) = typedef_search_opt (name)
//
val index = tyrec_labsel (s0rec, id.i0de_sym)
//
val () =
  emit_d0exp (out, d0rec)
//
val () = emit_LBRACKET (out)
val () = emit_int (out, index)
val () = emit_RBRACKET (out)
//
in
  // nothing
end // end of [emit_SELboxrec]

(* ****** ****** *)
//
#define
ATSEXTCODE_BEG "/*\nATSextcode_beg()\n*/"
#define
ATSEXTCODE_END "/*\nATSextcode_end()\n*/"
//
(* ****** ****** *)

implement
emit_d0ecl
  (out, d0c) = let
in
//
case+
d0c.d0ecl_node of
//
| D0Cinclude include =>
  {
    val () = emit_text (out, "#include")
    val () = emit_SPACE (out)
    val-T_STRING(filnam) = include.token_node
    val () = emit_text (out, filnam)
    val () = emit_newline (out)
  }
//
| D0Cifdef (i0de, d0eclist) =>
  {
    val () = emit_text (out, "#ifdef")
    val () = emit_SPACE (out)
    val () = emit_newline (out)
    val () = emit_text (out, "#endif")
    val () = emit_newline (out)
  }
| D0Cifndef (i0de, d0eclist) =>
  {
    val () = emit_text (out, "#ifndef")
    val () = emit_SPACE (out)
    val () = emit_newline (out)
    val () = emit_text (out, "#endif")
    val () = emit_newline (out)
  }
//
| D0Ctypedef (id, def) =>
  {
    val () = typedef_insert (id.i0de_sym, def)
    // TODO: insert type (class) declaration
  } (* end of [D0Ctypedef] *)
//
| D0Cdyncst_mac ide =>
  {
    val () = emit_text (out, "dyncst_mac")
    val () = emit_SPACE (out)
    val filnam = ide.i0de_sym
    val () = emit_symbol (out, filnam)
    val () = emit_ENDL (out)
  }
| D0Cdyncst_extfun (i0de, s0explst, s0exp) =>
  {
  }
| D0Cextcode (toks) =>
  {
    val () = emit_text (out, ATSEXTCODE_BEG)
    val () = emit_extcode (out, toks)
    val () = emit_text (out, ATSEXTCODE_END)
  }
| D0Cclosurerize (_, _, _, _) => ()
//
| D0Cfundecl (fk, f0d) => emit_f0decl (out, f0d)
//
end // end of [emit_d0ecl]

(* ****** ****** *)

implement
emit_toplevel
  (out, d0cs) = let
//
fun
loop
(
  out: FILEref, d0cs: d0eclist
) : void =
(
//
case+ d0cs of
| list_nil () => ()
| list_cons
    (d0c, d0cs) => let
  in
    emit_d0ecl (out, d0c); loop (out, d0cs)
  end // end of [list_cons]
//
)
//
in
  // TODO:
  // - emit assembly references
  // - emit .corflags, .subsystem
  // - emit .module <filename>
  //   - where <filename> is the name of the source file (e.g. foo.dats)
  loop (out, d0cs)
end // end of [emit_toplevel]

(* ****** ****** *)

(* end of [atsparemit_emit_cil.dats] *)


Call C from ATS main

Call C from ATS main

%{^
#include <avr/io.h>
#include <util/delay.h>
%}

%{
enum {
	BLINK_DELAY_MS = 500,
};

void c_blink(void)
{
	/* set PORTB for output*/
	DDRB = 0xFF;

	while(1) {
		/* set PORTB high to turn led on */
		PORTB = 0xFF;
		_delay_ms(BLINK_DELAY_MS);
		/* set PORTB low to turn led off */
		PORTB = 0x00;
		_delay_ms(BLINK_DELAY_MS * 2);
	}
}
%}

extern fun c_blink (): void = "mac#"

implement main0 () = () where {
  val () = c_blink ()
}


Updating: very very minorly

Updating: very very minorly

(* ****** ****** *)
//
// For testing libatscc2js
//
(* ****** ****** *)
//
#define
ATS_MAINATSFLAG 1
#define
ATS_DYNLOADNAME "test01_dynload"
//
#define ATS_STATIC_PREFIX "_test01_"
//
(* ****** ****** *)
//
#include "./../staloadall.hats"
//
#staload "./../SATS/print.sats"
//
(* ****** ****** *)

val () = assertloc("between".indexOf("tween") = 2)
val () = assertloc("between".indexOf("tween", 3) < 0)

(* ****** ****** *)
//
val () =
  3*delay(println!("Hello, world!"))
val () =
  repeat(3, $delay(println!("Hello, world!")))
val () =
  (3).foreach()(lam(i) => println!(i, ": Hello, world!"))
//
(* ****** ****** *)
//
val () =
print_string
(
  JSarray_join(JSarray_make_list(3*list_sing("Hello, world!\n")))
)
//
(* ****** ****** *)

%{^
//
// file inclusion
//
var fs = require('fs');
eval(fs.readFileSync('./../output/libatscc2js_all.js').toString());
eval(fs.readFileSync('./../CATS/PRINT/print_store_cats.js').toString());
%} // end of [%{^]

(* ****** ****** *)

%{$
test01_dynload();
process.stdout.write(ats2jspre_the_print_store_join());
%} // end of [%{$]

(* ****** ****** *)

(* end of [test01.dats] *)

(* ****** ****** *)
//
// For testing libatscc2js
//
(* ****** ****** *)
//
#define
ATS_MAINATSFLAG 1
#define
ATS_DYNLOADNAME "test01_dynload"
//
#define ATS_STATIC_PREFIX "_test01_"
//
(* ****** ****** *)
//
#include "./../staloadall.hats"
//
#staload "./../SATS/print.sats"
//
(* ****** ****** *)

val () = assertloc("between".indexOf("tween") = 2)
val () = assertloc("between".indexOf("tween", 3) < 0)

(* ****** ****** *)

val () = repeat(3, $delay(println!("Hello, world!")))
val () = (3).foreach()(lam(i) =<cloref1> println!(i, ": Hello, world!"))

(* ****** ****** *)

%{^
//
// file inclusion
//
var fs = require('fs');
eval(fs.readFileSync('./../output/libatscc2js_all.js').toString());
eval(fs.readFileSync('./../CATS/PRINT/print_store_cats.js').toString());
%} // end of [%{^]

(* ****** ****** *)

%{$
test01_dynload();
process.stdout.write(ats2jspre_the_print_store_join());
%} // end of [%{$]

(* ****** ****** *)

(* end of [test01.dats] *)


Merging

Merging

(* ****** ****** *)
//
// Author: Hongwei Xi
// Authoremail: gmhwxiATgmailDOTcom
// Start time: December, 2015
//
(* ****** ****** *)

(*
//
// the shared variables, booleans
bool turn, flag[2];
byte ncrit; // number of procs in critical section
//
*)

(* ****** ****** *)

(*
//
// two processes
//
active[2]
proctype user()
{
  assert(_pid == 0 || _pid == 1);
  again:
  flag[_pid] = 1; turn = _pid;
  (flag[1 - _pid] == 0 || turn == 1 - _pid);
//
  ncrit++;
  assert(ncrit == 1); // critical section
  ncrit--;
//
  flag[_pid] = 0; goto again
}
*)

(* ****** ****** *)
//
abstype
pid_type(i:int)
//
typedef
pid(i:int) = pid_type(i)
//
typedef pid = [i:nat] pid(i)
//
(* ****** ****** *)
//
extern
fun
pid2int{i:nat}(pid(i)): int(i)
//
(* ****** ****** *)
//
extern
fun
promela$self_get_pid(): pid
//
extern
fun
promela$assert{b:bool}(bool(b)): [b==true] void
//
(* ****** ****** *)

extern
fun
promela$wait_until(() -> bool): void

(* ****** ****** *)
//
extern
fun
proc$user(): void
//
//
sortdef two = {a:nat | a < 2}
//
extern
fun
flag_get{i:two}(pid(i), int(1-i)): bool
and
flag_set{i:two}(pid(i), int( i ), bool): void
//
(* ****** ****** *)
//
extern
fun turn_get(): natLt(2)
extern
fun turn_set{i:two}(pid(i), int(1-i)): void
//
(* ****** ****** *)

implement
proc$user() = let
//
val pid =
  promela$self_get_pid()
//
val i = pid2int(pid)
//
val ((*void*)) =
  promela$assert((i = 0) + (i = 1))
//
fun
loop
(
// argless
) : void = loop() where
{
  val i0 = i
  val i1 = 1 - i
  val () = turn_set(pid, i1)
  val () = flag_set(pid, i0, true)
  val () = promela$wait_until(lam() => (flag_get(pid, i1)=false)+(turn_get()=i0))
//
// This is a critial section
//
  val () = flag_set(pid, i0, false)
}
//
in
  loop()
end // end of [proce$user]

(* ****** ****** *)

(* end of [Peterson.dats] *)


Updating: getting fact_server/fact_client to work

(*
** Server: Factorials
*)

(* ****** ****** *)

#define ATS_DYNLOADFLAG 0

(* ****** ****** *)

#define
ATS_EXTERN_PREFIX "fact_server_"
#define
ATS_STATIC_PREFIX "_fact_server_"

(* ****** ****** *)

%{^
%%
-module(fact_server_dats).
%%
-export([main0_erl/0]).
%%
-compile(nowarn_unused_vars).
-compile(nowarn_unused_function).
%%
-export([service_fact/0]).
%%
-export([ats2erlpre_cloref1_app/2]).
-export([ats2erlpre_cloref2_app/3]).
-export([libats2erl_session_chque_server/0]).
-export([libats2erl_session_chanpos_server/2]).
-export([libats2erl_session_channeg_server/2]).
-export([libats2erl_session_chansrvc_create_server/1]).
-export([libats2erl_session_chansrvc2_create_server/1]).
%%
-include("./../../libatscc2erl_all.hrl").
-include("./../../Session/mylibats2erl_all.hrl").
%%
%} // end of [%{]

(* ****** ****** *)
//
#include
"./../../staloadall.hats"
//
staload "./../SATS/basis.sats"
//
(* ****** ****** *)
//
staload
UN = "prelude/SATS/unsafe.sats"
//
(* ****** ****** *)
//
typedef
ssfact =
chrcv(int)::chsnd(int)::chnil
//
typedef
service_fact = service(ssfact)
//
extern
fun service_fact(): service_fact = "mac#"
//
(* ****** ****** *)

macdef
SERVICE_FACT = $extval(atom, "'SERVICE_FACT'")

(* ****** ****** *)
//
implement
service_fact() = let
//
fun
fserv
(
  chp: chanpos(ssfact)
) : void = () where
{
  val n = channel_recv(chp)
  val r = (fix f(n:int):int => if n > 0 then n*f(n-1) else 1)(n)
  val () = channel_send(chp, r)
  val () = chanpos_nil_wait(chp)
}
//
in
  chansrvc_create(lam(chp) => fserv(chp))
end // end of [service_fact]
//
(* ****** ****** *)

extern
fun
main0_erl
(
// argumentless
) : void = "mac#"
//
implement
main0_erl () =
{
//
val () = chansrvc_register(SERVICE_FACT, service_fact())
//
} (* end of [main0_erl] *)

(* ****** ****** *)

(* end of [fact_server.dats] *)

(*
** Server: Factorials
*)

(* ****** ****** *)

#define ATS_DYNLOADFLAG 0

(* ****** ****** *)

#define
ATS_EXTERN_PREFIX "fact_server_"
#define
ATS_STATIC_PREFIX "_fact_server_"

(* ****** ****** *)

%{^
%%
-module(fact_server_dats).
%%
-compile(nowarn_unused_vars).
-compile(nowarn_unused_function).
%%
-export([ats2erlpre_cloref1_app/2]).
-export([ats2erlpre_cloref2_app/3]).
-export([libats2erl_session_chque_server/0]).
-export([libats2erl_session_chanpos_server/2]).
-export([libats2erl_session_channeg_server/2]).
-export([libats2erl_session_chansrvc_create_server/1]).
-export([libats2erl_session_chansrvc2_create_server/1]).
%%
-include("./../../libatscc2erl_all.hrl").
-include("./../../Session/mylibats2erl_all.hrl").
%%
%} // end of [%{]

(* ****** ****** *)
//
#include
"./../../staloadall.hats"
//
staload "./../SATS/basis.sats"
//
(* ****** ****** *)
//
staload
UN = "prelude/SATS/unsafe.sats"
//
(* ****** ****** *)
//
typedef
ssfact =
chrcv(int)::chsnd(int)::chnil
//
typedef
service_fact = service(ssfact)
//
extern
fun service_fact(): service_fact = "mac#%"
//
(* ****** ****** *)

macdef
SERVICE_FACT = $extval(atom, "'SERVICE_FACT'")

(* ****** ****** *)
//
implement
service_fact() = let
//
fun
fserv
(
  chp: chanpos(ssfact)
) : void = () where
{
  val n = channel_recv(chp)
  val r = (fix f(n:int):int => if n > 0 then n*f(n-1) else 1)(n)
  val () = channel_send(chp, r)
  val () = chanpos_nil_wait(chp)
}
//
in
  chansrvc_create(lam(chp) => fserv(chp))
end // end of [service_fact]
//
(* ****** ****** *)

(* end of [fact_server.dats] *)