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-rw-r--r--lib/ur/basis.urs2
-rw-r--r--lib/ur/string.ur10
-rw-r--r--src/compiler.sig10
-rw-r--r--src/compiler.sml6
-rw-r--r--src/core_print.sml11
-rw-r--r--src/elab_env.sig1
-rw-r--r--src/elab_env.sml9
-rw-r--r--src/elab_print.sml11
-rw-r--r--src/elab_util.sml32
-rw-r--r--src/especialize.sml7
-rw-r--r--src/expl_print.sml11
-rw-r--r--src/monoize.sml7
-rw-r--r--src/reduce.sml32
-rw-r--r--src/reduce_local.sml179
-rw-r--r--src/unnest.sml16
15 files changed, 295 insertions, 49 deletions
diff --git a/lib/ur/basis.urs b/lib/ur/basis.urs
index 19983cd2..f2dffd38 100644
--- a/lib/ur/basis.urs
+++ b/lib/ur/basis.urs
@@ -79,7 +79,7 @@ val strsub : string -> int -> char
val strsuffix : string -> int -> string
val strchr : string -> char -> option string
val strindex : string -> char -> option int
-val strcspn : string -> string -> option int
+val strcspn : string -> string -> int
val substring : string -> int -> int -> string
val str1 : char -> string
diff --git a/lib/ur/string.ur b/lib/ur/string.ur
index f19ce174..f7781e01 100644
--- a/lib/ur/string.ur
+++ b/lib/ur/string.ur
@@ -11,7 +11,15 @@ val suffix = Basis.strsuffix
val index = Basis.strindex
val atFirst = Basis.strchr
-fun mindex {Haystack = s, Needle = chs} = Basis.strcspn s chs
+fun mindex {Haystack = s, Needle = chs} =
+ let
+ val n = Basis.strcspn s chs
+ in
+ if n >= length s then
+ None
+ else
+ Some n
+ end
fun substring s {Start = start, Len = len} = Basis.substring s start len
diff --git a/src/compiler.sig b/src/compiler.sig
index 16207e8b..7e3e8ffc 100644
--- a/src/compiler.sig
+++ b/src/compiler.sig
@@ -129,10 +129,14 @@ signature COMPILER = sig
val toTag : (string, Core.file) transform
val toReduce : (string, Core.file) transform
val toShakey : (string, Core.file) transform
- val toUnpoly : (string, Core.file) transform
- val toSpecialize : (string, Core.file) transform
+ val toUnpoly : (string, Core.file) transform
+ val toSpecialize : (string, Core.file) transform
val toShake4 : (string, Core.file) transform
- val toEspecialize2 : (string, Core.file) transform
+ val toEspecialize2 : (string, Core.file) transform
+ val toShake4' : (string, Core.file) transform
+ val toUnpoly2 : (string, Core.file) transform
+ val toShake4'' : (string, Core.file) transform
+ val toEspecialize3 : (string, Core.file) transform
val toReduce2 : (string, Core.file) transform
val toShake5 : (string, Core.file) transform
val toMarshalcheck : (string, Core.file) transform
diff --git a/src/compiler.sml b/src/compiler.sml
index 1d15367f..dcc1e5b3 100644
--- a/src/compiler.sml
+++ b/src/compiler.sml
@@ -1013,8 +1013,12 @@ val toSpecialize = transform specialize "specialize" o toUnpoly
val toShake4 = transform shake "shake4" o toSpecialize
val toEspecialize2 = transform especialize "especialize2" o toShake4
+val toShake4' = transform shake "shake4'" o toEspecialize2
+val toUnpoly2 = transform unpoly "unpoly2" o toShake4'
+val toShake4'' = transform shake "shake4'" o toUnpoly2
+val toEspecialize3 = transform especialize "especialize3" o toShake4''
-val toReduce2 = transform reduce "reduce2" o toEspecialize2
+val toReduce2 = transform reduce "reduce2" o toEspecialize3
val toShake5 = transform shake "shake5" o toReduce2
diff --git a/src/core_print.sml b/src/core_print.sml
index fd0556e6..f18ea4b9 100644
--- a/src/core_print.sml
+++ b/src/core_print.sml
@@ -233,12 +233,19 @@ fun p_pat' par env (p, _) =
p_pat' true env p])
| PRecord xps =>
box [string "{",
- p_list_sep (box [string ",", space]) (fn (x, p, _) =>
+ p_list_sep (box [string ",", space]) (fn (x, p, t) =>
box [string x,
space,
string "=",
space,
- p_pat env p]) xps,
+ p_pat env p,
+ if !debug then
+ box [space,
+ string ":",
+ space,
+ p_con env t]
+ else
+ box []]) xps,
string "}"]
and p_pat x = p_pat' false x
diff --git a/src/elab_env.sig b/src/elab_env.sig
index a5b8751a..769fea58 100644
--- a/src/elab_env.sig
+++ b/src/elab_env.sig
@@ -118,6 +118,7 @@ signature ELAB_ENV = sig
val chaseMpath : env -> (int * string list) -> Elab.str * Elab.sgn
val patBinds : env -> Elab.pat -> env
+ val patBindsN : Elab.pat -> int
exception Bad of Elab.con * Elab.con
diff --git a/src/elab_env.sml b/src/elab_env.sml
index dd050c9e..bb34c345 100644
--- a/src/elab_env.sml
+++ b/src/elab_env.sml
@@ -1512,6 +1512,15 @@ fun patBinds env (p, loc) =
| PCon (_, _, _, SOME p) => patBinds env p
| PRecord xps => foldl (fn ((_, p, _), env) => patBinds env p) env xps
+fun patBindsN (p, _) =
+ case p of
+ PWild => 0
+ | PVar _ => 1
+ | PPrim _ => 0
+ | PCon (_, _, _, NONE) => 0
+ | PCon (_, _, _, SOME p) => patBindsN p
+ | PRecord xps => foldl (fn ((_, p, _), n) => patBindsN p + n) 0 xps
+
fun edeclBinds env (d, loc) =
case d of
EDVal (p, _, _) => patBinds env p
diff --git a/src/elab_print.sml b/src/elab_print.sml
index 86448659..42a0a107 100644
--- a/src/elab_print.sml
+++ b/src/elab_print.sml
@@ -252,12 +252,19 @@ fun p_pat' par env (p, _) =
p_pat' true env p])
| PRecord xps =>
box [string "{",
- p_list_sep (box [string ",", space]) (fn (x, p, _) =>
+ p_list_sep (box [string ",", space]) (fn (x, p, t) =>
box [string x,
space,
string "=",
space,
- p_pat env p]) xps,
+ p_pat env p,
+ if !debug then
+ box [space,
+ string ":",
+ space,
+ p_con env t]
+ else
+ box []]) xps,
string "}"]
and p_pat x = p_pat' false x
diff --git a/src/elab_util.sml b/src/elab_util.sml
index 8345e3f3..ec6c51ba 100644
--- a/src/elab_util.sml
+++ b/src/elab_util.sml
@@ -429,8 +429,10 @@ fun mapfoldB {kind = fk, con = fc, exp = fe, bind} =
| PRecord xps => foldl (fn ((_, p, _), ctx) =>
pb (p, ctx)) ctx xps
in
- S.map2 (mfe (pb (p, ctx)) e,
- fn e' => (p, e'))
+ S.bind2 (mfp ctx p,
+ fn p' =>
+ S.map2 (mfe (pb (p', ctx)) e,
+ fn e' => (p', e')))
end) pes,
fn pes' =>
S.bind2 (mfc ctx disc,
@@ -482,6 +484,32 @@ fun mapfoldB {kind = fk, con = fc, exp = fe, bind} =
fn k' =>
(EKApp (e', k'), loc)))
+ and mfp ctx (pAll as (p, loc)) =
+ case p of
+ PWild => S.return2 pAll
+ | PVar (x, t) =>
+ S.map2 (mfc ctx t,
+ fn t' =>
+ (PVar (x, t'), loc))
+ | PPrim _ => S.return2 pAll
+ | PCon (dk, pc, args, po) =>
+ S.bind2 (ListUtil.mapfold (mfc ctx) args,
+ fn args' =>
+ S.map2 ((case po of
+ NONE => S.return2 NONE
+ | SOME p => S.map2 (mfp ctx p, SOME)),
+ fn po' =>
+ (PCon (dk, pc, args', po'), loc)))
+ | PRecord xps =>
+ S.map2 (ListUtil.mapfold (fn (x, p, c) =>
+ S.bind2 (mfp ctx p,
+ fn p' =>
+ S.map2 (mfc ctx c,
+ fn c' =>
+ (x, p', c')))) xps,
+ fn xps' =>
+ (PRecord xps', loc))
+
and mfed ctx (dAll as (d, loc)) =
case d of
EDVal (p, t, e) =>
diff --git a/src/especialize.sml b/src/especialize.sml
index 7d129b8b..3fa3ea1d 100644
--- a/src/especialize.sml
+++ b/src/especialize.sml
@@ -1,4 +1,4 @@
-(* Copyright (c) 2008-2009, Adam Chlipala
+(* Copyright (c) 2008-2010, Adam Chlipala
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -278,7 +278,7 @@ fun specialize' (funcs, specialized) file =
NONE => default ()
| SOME (f, xs) =>
case IM.find (#funcs st, f) of
- NONE => default ()
+ NONE => ((*print ("No find: " ^ Int.toString f ^ "\n");*) default ())
| SOME {name, args, body, typ, tag} =>
let
val (xs, st) = ListUtil.foldlMap (fn (e, st) => exp (env, e, st)) st xs
@@ -415,6 +415,8 @@ fun specialize' (funcs, specialized) file =
(body', typ') fvs
val mns = !mayNotSpec
(*val () = mayNotSpec := SS.add (mns, name)*)
+ (*val () = print ("NEW: " ^ name ^ "__" ^ Int.toString f' ^ "\n");*)
+ val body' = ReduceLocal.reduceExp body'
(*val () = Print.preface ("PRE", CorePrint.p_exp CoreEnv.empty body')*)
val (body', st) = exp (env, body', st)
val () = mayNotSpec := mns
@@ -424,7 +426,6 @@ fun specialize' (funcs, specialized) file =
e' fvs
val e' = foldl (fn (arg, e) => (EApp (e, arg), loc))
e' xs
- (*val () = print ("NEW: " ^ name ^ "__" ^ Int.toString f' ^ "\n");*)
(*val () = Print.prefaces "Brand new"
[("e'", CorePrint.p_exp CoreEnv.empty e'),
("e", CorePrint.p_exp CoreEnv.empty e),
diff --git a/src/expl_print.sml b/src/expl_print.sml
index 15838729..c953350c 100644
--- a/src/expl_print.sml
+++ b/src/expl_print.sml
@@ -234,12 +234,19 @@ fun p_pat' par env (p, _) =
| PRecord xps =>
box [string "{",
- p_list_sep (box [string ",", space]) (fn (x, p, _) =>
+ p_list_sep (box [string ",", space]) (fn (x, p, t) =>
box [string x,
space,
string "=",
space,
- p_pat env p]) xps,
+ p_pat env p,
+ if !debug then
+ box [space,
+ string ":",
+ space,
+ p_con env t]
+ else
+ box []]) xps,
string "}"]
and p_pat x = p_pat' false x
diff --git a/src/monoize.sml b/src/monoize.sml
index e2377bae..d43002cb 100644
--- a/src/monoize.sml
+++ b/src/monoize.sml
@@ -2737,7 +2737,7 @@ fun monoExp (env, st, fm) (all as (e, loc)) =
(L.ECApp (
(L.ECApp (
(L.EFfi ("Basis", "tag"),
- _), _), _), _), _), _), _), _), _), _), _), _), _), _), _), _), _),
+ _), (L.CRecord (_, attrsGiven), _)), _), _), _), _), _), _), _), _), _), _), _), _), _), _), _),
class), _),
attrs), _),
tag), _),
@@ -2768,7 +2768,10 @@ fun monoExp (env, st, fm) (all as (e, loc)) =
val (attrs, fm) = monoExp (env, st, fm) attrs
val attrs = case #1 attrs of
L'.ERecord xes => xes
- | _ => raise Fail "Non-record attributes!"
+ | _ => map (fn ((L.CName x, _), t) => (x, (L'.EField (attrs, x), loc), monoType env t)
+ | (c, t) => (E.errorAt loc "Non-constant field name for HTML tag attribute";
+ Print.eprefaces' [("Name", CorePrint.p_con env c)];
+ ("", (L'.EField (attrs, ""), loc), monoType env t))) attrsGiven
val attrs =
if List.exists (fn ("Link", _, _) => true
diff --git a/src/reduce.sml b/src/reduce.sml
index b2911a5f..963863e8 100644
--- a/src/reduce.sml
+++ b/src/reduce.sml
@@ -65,6 +65,18 @@ val dangling =
CoreUtil.Exp.RelE _ => n + 1
| _ => n}
+val cdangling =
+ CoreUtil.Exp.existsB {kind = fn _ => false,
+ con = fn (n, c) =>
+ case c of
+ CRel n' => n' >= n
+ | _ => false,
+ exp = fn _ => false,
+ bind = fn (n, b) =>
+ case b of
+ CoreUtil.Exp.RelC _ => n + 1
+ | _ => n}
+
datatype env_item =
UnknownK
| KnownK of kind
@@ -86,6 +98,15 @@ val edepth' = foldl (fn (UnknownE, n) => n + 1
| (Lift (_, _, n'), n) => n + n'
| (_, n) => n) 0
+val cdepth = foldl (fn (UnknownC, n) => n + 1
+ | (KnownC _, n) => n + 1
+ | (_, n) => n) 0
+
+val cdepth' = foldl (fn (UnknownC, n) => n + 1
+ | (KnownC _, n) => n + 1
+ | (Lift (_, n', _), n) => n + n'
+ | (_, n) => n) 0
+
type env = env_item list
fun ei2s ei =
@@ -344,6 +365,11 @@ fun kindConAndExp (namedC, namedE) =
raise Fail "!")
else
()*)
+ (*val () = if cdangling (cdepth env) all then
+ Print.prefaces "Bad exp" [("e", CorePrint.p_exp CoreEnv.empty all),
+ ("env", Print.PD.string (e2s env))]
+ else
+ ()*)
val r = case e of
EPrim _ => all
@@ -636,6 +662,12 @@ fun kindConAndExp (namedC, namedE) =
raise Fail "!!")
else
();*)
+ (*if cdangling (cdepth' (deKnown env)) r then
+ (Print.prefaces "exp" [("e", CorePrint.p_exp CoreEnv.empty all),
+ ("r", CorePrint.p_exp CoreEnv.empty r)];
+ raise Fail "!!")
+ else
+ ();*)
r
end
in
diff --git a/src/reduce_local.sml b/src/reduce_local.sml
index 4c5ab52e..43317b9e 100644
--- a/src/reduce_local.sml
+++ b/src/reduce_local.sml
@@ -1,4 +1,4 @@
-(* Copyright (c) 2008, Adam Chlipala
+(* Copyright (c) 2008-2010, Adam Chlipala
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -43,11 +43,15 @@ datatype env_item =
Unknown
| Known of exp
- | Lift of int
+ | UnknownC
+ | KnownC of con
+
+ | Lift of int * int
type env = env_item list
val deKnown = List.filter (fn Known _ => false
+ | KnownC _ => false
| _ => true)
datatype result = Yes of env | No | Maybe
@@ -120,39 +124,140 @@ fun match (env, p : pat, e : exp) =
match (env, p, e)
end
+fun con env (all as (c, loc)) =
+ ((*Print.prefaces "con" [("c", CorePrint.p_con CoreEnv.empty all)];*)
+ case c of
+ TFun (c1, c2) => (TFun (con env c1, con env c2), loc)
+ | TCFun (x, k, c2) => (TCFun (x, k, con (UnknownC :: env) c2), loc)
+ | TKFun (x, c2) => (TKFun (x, con env c2), loc)
+ | TRecord c => (TRecord (con env c), loc)
+
+ | CRel n =>
+ let
+ fun find (n', env, nudge, liftC) =
+ case env of
+ [] => raise Fail "Reduce.con: CRel"
+ | Unknown :: rest => find (n', rest, nudge, liftC)
+ | Known _ :: rest => find (n', rest, nudge, liftC)
+ | Lift (liftC', _) :: rest => find (n', rest, nudge + liftC',
+ liftC + liftC')
+ | UnknownC :: rest =>
+ if n' = 0 then
+ (CRel (n + nudge), loc)
+ else
+ find (n' - 1, rest, nudge, liftC + 1)
+ | KnownC c :: rest =>
+ if n' = 0 then
+ con (Lift (liftC, 0) :: rest) c
+ else
+ find (n' - 1, rest, nudge - 1, liftC)
+ in
+ (*print (Int.toString n ^ ": " ^ e2s env ^ "\n");*)
+ find (n, env, 0, 0)
+ end
+ | CNamed _ => all
+ | CFfi _ => all
+ | CApp (c1, c2) =>
+ let
+ val c1 = con env c1
+ val c2 = con env c2
+ in
+ case #1 c1 of
+ CAbs (_, _, b) =>
+ con (KnownC c2 :: deKnown env) b
+
+ | CApp ((CMap (dom, ran), _), f) =>
+ (case #1 c2 of
+ CRecord (_, []) => (CRecord (ran, []), loc)
+ | CRecord (_, (x, c) :: rest) =>
+ con (deKnown env)
+ (CConcat ((CRecord (ran, [(x, (CApp (f, c), loc))]), loc),
+ (CApp (c1, (CRecord (dom, rest), loc)), loc)), loc)
+ | _ => (CApp (c1, c2), loc))
+
+ | _ => (CApp (c1, c2), loc)
+ end
+ | CAbs (x, k, b) => (CAbs (x, k, con (UnknownC :: env) b), loc)
+
+ | CKApp (c1, k) =>
+ let
+ val c1 = con env c1
+ in
+ case #1 c1 of
+ CKAbs (_, b) =>
+ con (deKnown env) b
+
+ | _ => (CKApp (c1, k), loc)
+ end
+ | CKAbs (x, b) => (CKAbs (x, con env b), loc)
+
+ | CName _ => all
+
+ | CRecord (k, xcs) => (CRecord (k, map (fn (x, c) => (con env x, con env c)) xcs), loc)
+ | CConcat (c1, c2) =>
+ let
+ val c1 = con env c1
+ val c2 = con env c2
+ in
+ case (#1 c1, #1 c2) of
+ (CRecord (k, xcs1), CRecord (_, xcs2)) =>
+ (CRecord (k, xcs1 @ xcs2), loc)
+ | (CRecord (_, []), _) => c2
+ | (_, CRecord (_, [])) => c1
+ | _ => (CConcat (c1, c2), loc)
+ end
+ | CMap _ => all
+
+ | CUnit => all
+
+ | CTuple cs => (CTuple (map (con env) cs), loc)
+ | CProj (c, n) =>
+ let
+ val c = con env c
+ in
+ case #1 c of
+ CTuple cs => List.nth (cs, n - 1)
+ | _ => (CProj (c, n), loc)
+ end)
+
+fun patCon pc =
+ case pc of
+ PConVar _ => pc
+ | PConFfi {mod = m, datatyp, params, con = c, arg, kind} =>
+ PConFfi {mod = m, datatyp = datatyp, params = params, con = c,
+ arg = Option.map (con (map (fn _ => UnknownC) params)) arg,
+ kind = kind}
+
fun exp env (all as (e, loc)) =
case e of
EPrim _ => all
| ERel n =>
let
- fun find (n', env, nudge, lift) =
+ fun find (n', env, nudge, liftC, liftE) =
case env of
[] => (ERel (n + nudge), loc)
- | Lift lift' :: rest => find (n', rest, nudge + lift', lift + lift')
+ | Lift (liftC', liftE') :: rest => find (n', rest, nudge + liftE', liftC + liftC', liftE + liftE')
+ | UnknownC :: rest => find (n', rest, nudge, liftC + 1, liftE)
+ | KnownC _ :: rest => find (n', rest, nudge, liftC, liftE)
| Unknown :: rest =>
if n' = 0 then
(ERel (n + nudge), loc)
else
- find (n' - 1, rest, nudge, lift + 1)
+ find (n' - 1, rest, nudge, liftC, liftE + 1)
| Known e :: rest =>
if n' = 0 then
((*print "SUBSTITUTING\n";*)
- exp (Lift lift :: rest) e)
+ exp (Lift (liftC, liftE) :: rest) e)
else
- find (n' - 1, rest, nudge - 1, lift)
+ find (n' - 1, rest, nudge - 1, liftC, liftE)
in
- find (n, env, 0, 0)
+ find (n, env, 0, 0, 0)
end
| ENamed _ => all
- | ECon (dk, pc, cs, eo) => (ECon (dk, pc, cs, Option.map (exp env) eo), loc)
+ | ECon (dk, pc, cs, eo) => (ECon (dk, patCon pc, map (con env) cs, Option.map (exp env) eo), loc)
| EFfi _ => all
| EFfiApp (m, f, es) => (EFfiApp (m, f, map (exp env) es), loc)
- | EApp ((ECApp ((ECAbs (_, _, (EAbs (_, (CRel 0, _), _,
- (ECon (dk, pc, [(CRel 0, loc)], SOME (ERel 0, _)), _)), _)), _),
- t), _), e) =>
- (ECon (dk, pc, [t], SOME (exp env e)), loc)
-
| EApp (e1, e2) =>
let
val e1 = exp env e1
@@ -163,21 +268,28 @@ fun exp env (all as (e, loc)) =
| _ => (EApp (e1, e2), loc)
end
- | EAbs (x, dom, ran, e) => (EAbs (x, dom, ran, exp (Unknown :: env) e), loc)
+ | EAbs (x, dom, ran, e) => (EAbs (x, con env dom, con env ran, exp (Unknown :: env) e), loc)
- | ECApp ((ECAbs (_, _, (ECon (dk, pc, [(CRel 0, loc)], NONE), _)), _), t) =>
- (ECon (dk, pc, [t], NONE), loc)
+ | ECApp (e, c) =>
+ let
+ val e = exp env e
+ val c = con env c
+ in
+ case #1 e of
+ ECAbs (_, _, b) => exp (KnownC c :: deKnown env) b
+ | _ => (ECApp (e, c), loc)
+ end
- | ECApp (e, c) => (ECApp (exp env e, c), loc)
- | ECAbs (x, k, e) => (ECAbs (x, k, exp env e), loc)
+ | ECAbs (x, k, e) => (ECAbs (x, k, exp (UnknownC :: env) e), loc)
| EKApp (e, k) => (EKApp (exp env e, k), loc)
| EKAbs (x, e) => (EKAbs (x, exp env e), loc)
- | ERecord xcs => (ERecord (map (fn (x, e, t) => (x, exp env e, t)) xcs), loc)
+ | ERecord xcs => (ERecord (map (fn (x, e, t) => (con env x, exp env e, con env t)) xcs), loc)
| EField (e, c, others) =>
let
val e = exp env e
+ val c = con env c
fun default () = (EField (e, c, others), loc)
in
@@ -189,12 +301,16 @@ fun exp env (all as (e, loc)) =
| _ => default ()
end
- | EConcat (e1, c1, e2, c2) => (EConcat (exp env e1, c1, exp env e2, c2), loc)
- | ECut (e, c, others) => (ECut (exp env e, c, others), loc)
- | ECutMulti (e, c, others) => (ECutMulti (exp env e, c, others), loc)
+ | EConcat (e1, c1, e2, c2) => (EConcat (exp env e1, con env c1, exp env e2, con env c2), loc)
+ | ECut (e, c, {field = f, rest = r}) => (ECut (exp env e,
+ con env c,
+ {field = con env f, rest = con env r}), loc)
+ | ECutMulti (e, c, {rest = r}) => (ECutMulti (exp env e, con env c, {rest = con env r}), loc)
- | ECase (e, pes, others) =>
+ | ECase (e, pes, {disc = d, result = r}) =>
let
+ val others = {disc = con env d, result = con env r}
+
fun patBinds (p, _) =
case p of
PWild => 0
@@ -204,9 +320,18 @@ fun exp env (all as (e, loc)) =
| PCon (_, _, _, SOME p) => patBinds p
| PRecord xpts => foldl (fn ((_, p, _), n) => n + patBinds p) 0 xpts
+ fun pat (all as (p, loc)) =
+ case p of
+ PWild => all
+ | PVar (x, t) => (PVar (x, con env t), loc)
+ | PPrim _ => all
+ | PCon (dk, pc, cs, po) =>
+ (PCon (dk, patCon pc, map (con env) cs, Option.map pat po), loc)
+ | PRecord xpts => (PRecord (map (fn (x, p, t) => (x, pat p, con env t)) xpts), loc)
+
fun push () =
(ECase (exp env e,
- map (fn (p, e) => (p,
+ map (fn (p, e) => (pat p,
exp (List.tabulate (patBinds p,
fn _ => Unknown) @ env) e))
pes, others), loc)
@@ -226,9 +351,9 @@ fun exp env (all as (e, loc)) =
| EWrite e => (EWrite (exp env e), loc)
| EClosure (n, es) => (EClosure (n, map (exp env) es), loc)
- | ELet (x, t, e1, e2) => (ELet (x, t, exp env e1, exp (Unknown :: env) e2), loc)
+ | ELet (x, t, e1, e2) => (ELet (x, con env t, exp env e1, exp (Unknown :: env) e2), loc)
- | EServerCall (n, es, t) => (EServerCall (n, map (exp env) es, t), loc)
+ | EServerCall (n, es, t) => (EServerCall (n, map (exp env) es, con env t), loc)
fun reduce file =
let
diff --git a/src/unnest.sml b/src/unnest.sml
index 77589bfb..a2ec32b0 100644
--- a/src/unnest.sml
+++ b/src/unnest.sml
@@ -1,4 +1,4 @@
-(* Copyright (c) 2008, Adam Chlipala
+(* Copyright (c) 2008-2010, Adam Chlipala
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -204,12 +204,19 @@ fun exp ((ks, ts), e as old, st : state) =
| PRecord xpcs =>
foldl (fn ((_, p, _), ts) => doVars (p, ts))
ts xpcs
+
+ fun bindOne subs = ((0, (ERel 0, #2 ed))
+ :: map (fn (n, e) => (n + 1, E.liftExpInExp 0 e)) subs)
+
+ fun bindMany (n, subs) =
+ case n of
+ 0 => subs
+ | _ => bindMany (n - 1, bindOne subs)
in
([(EDVal (p, t, e), #2 ed)],
(doVars (p, ts),
maxName, ds,
- ((0, (ERel 0, #2 ed))
- :: map (fn (n, e) => (n + 1, E.liftExpInExp 0 e)) subs),
+ bindMany (E.patBindsN p, subs),
by))
end
| EDValRec vis =>
@@ -310,6 +317,7 @@ fun exp ((ks, ts), e as old, st : state) =
let
(*val () = print (Int.toString ex ^ "\n")*)
val (name, t') = List.nth (ts, ex)
+ val t' = squishCon cfv t'
in
((EAbs (name,
t',
@@ -354,6 +362,8 @@ fun exp ((ks, ts), e as old, st : state) =
(*Print.prefaces "Before" [("e", ElabPrint.p_exp ElabEnv.empty e),
("se", ElabPrint.p_exp ElabEnv.empty (doSubst' (e, subs))),
("e'", ElabPrint.p_exp ElabEnv.empty e')];*)
+ (*Print.prefaces "Let" [("Before", ElabPrint.p_exp ElabEnv.empty (old, ErrorMsg.dummySpan)),
+ ("After", ElabPrint.p_exp ElabEnv.empty (ELet (eds, e', t), ErrorMsg.dummySpan))];*)
(ELet (eds, e', t),
{maxName = maxName,
decls = ds})