st/lama_byterun
1
0
Fork 0
mirror of https://github.com/ProgramSnail/Lama.git synced 2025-12-06 06:48:48 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Switching off invalid hashconsing

Browse source
This commit is contained in:
Dmitry Boulytchev 2022-01-31 23:46:18 +03:00
parent f953814c76
commit 69c0b89e3c
6 changed files with 91 additions and 29 deletions
Download patch file Download diff file Expand all files Collapse all files

58
stdlib/Collection.lama
View file

@ -308,35 +308,51 @@ public fun emptyCustomMemo (pred, compare) {
}
public fun emptyMemo () {
-- ref (emptyMap (compare))
emptyCustomMemo ({}, compare)
}
public fun lookupMemo (mm@[p, m], v) {
var f = case v of
[Right, _] : _ -> true
| _ -> false
esac;
if f then
skip -- printf ("Looked up 0x%.8x | 0x%.8x | %s\n", mm, v, v.string)
fi;
case
fun (x) {
case p of
#fun -> if p (v) then v else x () fi
| _ -> x ()
esac}
(fun () {case v of
#val -> v
| _ ->
case findMap (m, v) of
Some (w) -> w
| None ->
case v of
#str -> mm[1] := addMap (m, v, v); v
| _ ->
var vc = clone (v), i = case vc of #fun -> 1 | _ -> 0 esac;
for skip, i < v.length, i := i + 1 do
var vci = lookupMemo (mm, vc [i]);
vc [i] := vci
od;
mm [1] := addMap (m, vc, vc);
vc
esac
esac
esac})
esac
}
(fun () {
case v of
#val -> v
| _ ->
case findMap (m, v) of
Some (w) -> w
| None ->
case v of
#str -> mm[1] := addMap (m, v, v); v
| _ ->
var v0 = v;
var vc = clone (v), i = case vc of #fun -> 1 | _ -> 0 esac;
-- printf ("Cloning: 0x%.8x\n", v);
for skip, i < v.length, i := i + 1 do
var vci = lookupMemo (mm, vc [i]);
vc [i] := vci
od;
mm [1] := addMap (m, vc, vc);
vc
esac
esac
esac}) of
r -> -- if f then printf ("Result | 0x%.8x | %s\n", r, r.string) fi;
r
esac
}
-- Maps of hashed pointers