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-rw-r--r--include/urweb.h2
-rw-r--r--lib/ur/basis.urs1
-rw-r--r--src/c/urweb.c9
-rw-r--r--src/jscomp.sml4
-rw-r--r--src/mono_reduce.sml16
-rw-r--r--src/monoize.sml14
-rw-r--r--tests/spawn.ur24
-rw-r--r--tests/spawn.urp5
8 files changed, 60 insertions, 15 deletions
diff --git a/include/urweb.h b/include/urweb.h
index daf965b0..4e0992fd 100644
--- a/include/urweb.h
+++ b/include/urweb.h
@@ -49,7 +49,7 @@ uw_Basis_int uw_Basis_new_client_source(uw_context, uw_Basis_string);
uw_unit uw_Basis_set_client_source(uw_context, uw_Basis_int, uw_Basis_string);
void uw_set_script_header(uw_context, const char*);
-const char *uw_Basis_get_settings(uw_context, uw_Basis_string);
+const char *uw_Basis_get_settings(uw_context, uw_unit);
const char *uw_Basis_get_script(uw_context, uw_unit);
void uw_set_needs_push(uw_context, int);
diff --git a/lib/ur/basis.urs b/lib/ur/basis.urs
index f95e8eba..19a7a9f1 100644
--- a/lib/ur/basis.urs
+++ b/lib/ur/basis.urs
@@ -105,6 +105,7 @@ val setCookie : t ::: Type -> http_cookie t -> t -> transaction unit
(** JavaScript-y gadgets *)
val alert : string -> transaction unit
+val spawn : transaction unit -> transaction unit
(** Channels *)
diff --git a/src/c/urweb.c b/src/c/urweb.c
index 880cd143..6f6f1fc8 100644
--- a/src/c/urweb.c
+++ b/src/c/urweb.c
@@ -701,17 +701,16 @@ const char *uw_Basis_get_script(uw_context ctx, uw_unit u) {
}
}
-const char *uw_Basis_get_settings(uw_context ctx, uw_Basis_string onload) {
+const char *uw_Basis_get_settings(uw_context ctx, uw_unit u) {
if (ctx->client == NULL)
return "";
else {
- char *r = uw_malloc(ctx, 52 + 3 * INTS_MAX + strlen(ctx->url_prefix) + strlen(onload));
- sprintf(r, " onload='client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;listener();%s'",
+ char *r = uw_malloc(ctx, 59 + 3 * INTS_MAX + strlen(ctx->url_prefix));
+ sprintf(r, "client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;listener();",
ctx->client->id,
ctx->client->pass,
ctx->url_prefix,
- ctx->timeout,
- onload);
+ ctx->timeout);
return r;
}
}
diff --git a/src/jscomp.sml b/src/jscomp.sml
index c28f58d0..c7577d0c 100644
--- a/src/jscomp.sml
+++ b/src/jscomp.sml
@@ -50,7 +50,9 @@ val funcs = [(("Basis", "alert"), "alert"),
(("Basis", "urlifyFloat"), "ts"),
(("Basis", "urlifyString"), "uf"),
(("Basis", "recv"), "rv"),
- (("Basis", "strcat"), "cat")]
+ (("Basis", "strcat"), "cat"),
+ (("Basis", "intToString"), "ts"),
+ (("Basis", "floatToString"), "ts")]
structure FM = BinaryMapFn(struct
type ord_key = string * string
diff --git a/src/mono_reduce.sml b/src/mono_reduce.sml
index 505498b8..08d5ad6d 100644
--- a/src/mono_reduce.sml
+++ b/src/mono_reduce.sml
@@ -61,6 +61,7 @@ fun impure (e, _) =
| EFfiApp ("Basis", "new_channel", _) => true
| EFfiApp ("Basis", "subscribe", _) => true
| EFfiApp ("Basis", "send", _) => true
+ | EFfiApp ("Basis", "recv", _) => true
| EFfiApp _ => false
| EApp ((EFfi _, _), _) => false
| EApp _ => true
@@ -281,11 +282,12 @@ fun reduce file =
| EFfiApp ("Basis", "new_channel", es) => ffi es
| EFfiApp ("Basis", "subscribe", es) => ffi es
| EFfiApp ("Basis", "send", es) => ffi es
+ | EFfiApp ("Basis", "recv", es) => ffi es
| EFfiApp (_, _, es) => List.concat (map (summarize d) es)
| EApp ((EFfi _, _), e) => summarize d e
| EApp _ =>
let
- fun unravel (e, ls) =
+ fun unravel (e, passed, ls) =
case e of
ENamed n =>
let
@@ -294,10 +296,10 @@ fun reduce file =
case IM.find (absCounts, n) of
NONE => [Unsure]
| SOME len =>
- if length ls < len then
+ if passed < len then
ls
else
- [Unsure]
+ ls @ [Unsure]
end
| ERel n => List.revAppend (ls,
if n = d then
@@ -305,10 +307,10 @@ fun reduce file =
else
[Unsure])
| EApp (f, x) =>
- unravel (#1 f, summarize d x @ ls)
+ unravel (#1 f, passed + 1, summarize d x @ ls)
| _ => [Unsure]
in
- unravel (e, [])
+ unravel (e, 0, [])
end
| EAbs (_, _, _, e) => List.filter (fn UseRel => true
@@ -386,8 +388,8 @@ fun reduce file =
| EApp ((EAbs (x, t, _, e1), loc), e2) =>
((*Print.prefaces "Considering" [("e1", MonoPrint.p_exp (E.pushERel env x t NONE) e1),
- ("e2", MonoPrint.p_exp env e2),
- ("sub", MonoPrint.p_exp env (reduceExp env (subExpInExp (0, e2) e1)))];*)
+ ("e2", MonoPrint.p_exp env e2),
+ ("sub", MonoPrint.p_exp env (reduceExp env (subExpInExp (0, e2) e1)))];*)
if impure e2 then
#1 (reduceExp env (ELet (x, t, e2, e1), loc))
else
diff --git a/src/monoize.sml b/src/monoize.sml
index 71672785..ea2ce751 100644
--- a/src/monoize.sml
+++ b/src/monoize.sml
@@ -1043,6 +1043,13 @@ fun monoExp (env, st, fm) (all as (e, loc)) =
fm)
end
+ | L.EFfiApp ("Basis", "spawn", [e]) =>
+ let
+ val (e, fm) = monoExp (env, st, fm) e
+ in
+ ((L'.EApp (e, (L'.ERecord [], loc)), loc), fm)
+ end
+
| L.EApp ((L.ECApp ((L.ECApp ((L.EFfi ("Basis", "return"), _), _), _), t), _),
(L.EFfi ("Basis", "signal_monad"), _)) =>
let
@@ -2005,7 +2012,12 @@ fun monoExp (env, st, fm) (all as (e, loc)) =
end
in
normal ("body",
- SOME (L'.EFfiApp ("Basis", "get_settings", [onload]), loc),
+ SOME (L'.EStrcat ((L'.EPrim (Prim.String " onload='"), loc),
+ (L'.EStrcat ((L'.EFfiApp ("Basis", "get_settings",
+ [(L'.ERecord [], loc)]), loc),
+ (L'.EStrcat (onload,
+ (L'.EPrim (Prim.String "'"),
+ loc)), loc)), loc)), loc),
SOME (L'.EFfiApp ("Basis", "get_script", [(L'.ERecord [], loc)]), loc))
end
diff --git a/tests/spawn.ur b/tests/spawn.ur
new file mode 100644
index 00000000..263b52bc
--- /dev/null
+++ b/tests/spawn.ur
@@ -0,0 +1,24 @@
+table t : {A : int, Ch : channel string}
+
+fun listener n ch =
+ s <- recv ch;
+ alert (show n ^ ": " ^ s);
+ listener n ch
+
+fun speak id msg =
+ r <- oneRow (SELECT t.Ch FROM t WHERE t.A = {[id]});
+ send r.T.Ch msg
+
+fun main () : transaction page =
+ ch1 <- channel;
+ dml (INSERT INTO t (A, Ch) VALUES (1, {[ch1]}));
+ ch2 <- channel;
+ dml (INSERT INTO t (A, Ch) VALUES (2, {[ch2]}));
+
+ s1 <- source "";
+ s2 <- source "";
+
+ return <xml><body onload={spawn (listener 1 ch1); spawn (listener 2 ch2)}>
+ 1: <ctextbox source={s1}/><button onclick={msg <- get s1; speak 1 msg}/><br/>
+ 2: <ctextbox source={s2}/><button onclick={msg <- get s2; speak 2 msg}/>
+ </body></xml>
diff --git a/tests/spawn.urp b/tests/spawn.urp
new file mode 100644
index 00000000..d24ba14d
--- /dev/null
+++ b/tests/spawn.urp
@@ -0,0 +1,5 @@
+debug
+database dbname=spawn
+sql spawn.sql
+
+spawn
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-29 07:36:21 +0000