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-rw-r--r--include/urweb.h8
-rw-r--r--lib/basis.urs7
-rw-r--r--src/c/urweb.c57
-rw-r--r--src/mono_opt.sml27
-rw-r--r--src/monoize.sml24
-rw-r--r--tests/show.ur6
-rw-r--r--tests/show.urp5
7 files changed, 133 insertions, 1 deletions
diff --git a/include/urweb.h b/include/urweb.h
index 68ac4fc6..3995585e 100644
--- a/include/urweb.h
+++ b/include/urweb.h
@@ -30,9 +30,15 @@ char *lw_get_optional_input(lw_context, int name);
void lw_write(lw_context, const char*);
-
+char *lw_Basis_htmlifyInt(lw_context, lw_Basis_int);
+char *lw_Basis_htmlifyFloat(lw_context, lw_Basis_float);
char *lw_Basis_htmlifyString(lw_context, lw_Basis_string);
+char *lw_Basis_htmlifyBool(lw_context, lw_Basis_bool);
+
+void lw_Basis_htmlifyInt_w(lw_context, lw_Basis_int);
+void lw_Basis_htmlifyFloat_w(lw_context, lw_Basis_float);
void lw_Basis_htmlifyString_w(lw_context, lw_Basis_string);
+void lw_Basis_htmlifyBool_w(lw_context, lw_Basis_bool);
char *lw_Basis_attrifyInt(lw_context, lw_Basis_int);
char *lw_Basis_attrifyFloat(lw_context, lw_Basis_float);
diff --git a/lib/basis.urs b/lib/basis.urs
index 14b6d464..22a033a0 100644
--- a/lib/basis.urs
+++ b/lib/basis.urs
@@ -27,6 +27,13 @@ val intToString : int -> string
val floatToString : float -> string
val boolToString : bool -> string
+class show
+val show : t ::: Type -> show t -> t -> string
+val show_int : show int
+val show_float : show float
+val show_string : show string
+val show_bool : show bool
+
(** SQL *)
diff --git a/src/c/urweb.c b/src/c/urweb.c
index 7ed582da..9836e502 100644
--- a/src/c/urweb.c
+++ b/src/c/urweb.c
@@ -507,6 +507,44 @@ lw_Basis_string lw_Basis_unurlifyString(lw_context ctx, char **s) {
}
+char *lw_Basis_htmlifyInt(lw_context ctx, lw_Basis_int n) {
+ int len;
+ char *r;
+
+ lw_check_heap(ctx, INTS_MAX);
+ r = ctx->heap_front;
+ sprintf(r, "%lld%n", n, &len);
+ ctx->heap_front += len+1;
+ return r;
+}
+
+void lw_Basis_htmlifyInt_w(lw_context ctx, lw_Basis_int n) {
+ int len;
+
+ lw_check(ctx, INTS_MAX);
+ sprintf(ctx->page_front, "%lld%n", n, &len);
+ ctx->page_front += len;
+}
+
+char *lw_Basis_htmlifyFloat(lw_context ctx, lw_Basis_float n) {
+ int len;
+ char *r;
+
+ lw_check_heap(ctx, FLOATS_MAX);
+ r = ctx->heap_front;
+ sprintf(r, "%g%n", n, &len);
+ ctx->heap_front += len+1;
+ return r;
+}
+
+void lw_Basis_htmlifyFloat_w(lw_context ctx, lw_Basis_float n) {
+ int len;
+
+ lw_check(ctx, FLOATS_MAX);
+ sprintf(ctx->page_front, "%g%n", n, &len);
+ ctx->page_front += len;
+}
+
char *lw_Basis_htmlifyString(lw_context ctx, lw_Basis_string s) {
char *r, *s2;
@@ -565,6 +603,25 @@ void lw_Basis_htmlifyString_w(lw_context ctx, lw_Basis_string s) {
}
}
+lw_Basis_string lw_Basis_htmlifyBool(lw_context ctx, lw_Basis_bool b) {
+ if (b == lw_Basis_False)
+ return "False";
+ else
+ return "True";
+}
+
+void lw_Basis_htmlifyBool_w(lw_context ctx, lw_Basis_bool b) {
+ if (b == lw_Basis_False) {
+ lw_check(ctx, 6);
+ strcpy(ctx->page_front, "False");
+ ctx->page_front += 5;
+ } else {
+ lw_check(ctx, 5);
+ strcpy(ctx->page_front, "True");
+ ctx->page_front += 4;
+ }
+}
+
lw_Basis_string lw_Basis_strcat(lw_context ctx, lw_Basis_string s1, lw_Basis_string s2) {
int len = strlen(s1) + strlen(s2) + 1;
char *s;
diff --git a/src/mono_opt.sml b/src/mono_opt.sml
index 8be532aa..510f4c56 100644
--- a/src/mono_opt.sml
+++ b/src/mono_opt.sml
@@ -55,6 +55,8 @@ val attrifyString = String.translate (fn #"\"" => """
val urlifyInt = attrifyInt
val urlifyFloat = attrifyFloat
+val htmlifyInt = attrifyInt
+val htmlifyFloat = attrifyFloat
val htmlifyString = String.translate (fn ch => case ch of
#"<" => "&lt;"
| #"&" => "&amp;"
@@ -149,6 +151,31 @@ fun exp e =
ESeq ((EWrite (EPrim (Prim.String (s1 ^ s2)), loc), loc),
e)
+ | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "intToString", [(EPrim (Prim.Int n), _)]), _)]) =>
+ EPrim (Prim.String (htmlifyInt n))
+ | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "intToString", es), _)]) =>
+ EFfiApp ("Basis", "htmlifyInt", es)
+ | EWrite (EFfiApp ("Basis", "htmlifyInt", [e]), _) =>
+ EFfiApp ("Basis", "htmlifyInt_w", [e])
+
+ | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "floatToString", [(EPrim (Prim.Float n), _)]), _)]) =>
+ EPrim (Prim.String (htmlifyFloat n))
+ | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "floatToString", es), _)]) =>
+ EFfiApp ("Basis", "htmlifyFloat", es)
+ | EWrite (EFfiApp ("Basis", "htmlifyFloat", [e]), _) =>
+ EFfiApp ("Basis", "htmlifyFloat_w", [e])
+
+ | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "boolToString",
+ [(ECon (Enum, PConFfi {con = "True", ...}, NONE), _)]), _)]) =>
+ EPrim (Prim.String "True")
+ | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "boolToString",
+ [(ECon (Enum, PConFfi {con = "False", ...}, NONE), _)]), _)]) =>
+ EPrim (Prim.String "False")
+ | EFfiApp ("Basis", "htmlifyString", [(EFfiApp ("Basis", "boolToString", es), _)]) =>
+ EFfiApp ("Basis", "htmlifyBool", es)
+ | EWrite (EFfiApp ("Basis", "htmlifyBool", [e]), _) =>
+ EFfiApp ("Basis", "htmlifyBool_w", [e])
+
| EFfiApp ("Basis", "htmlifyString", [(EPrim (Prim.String s), _)]) =>
EPrim (Prim.String (htmlifyString s))
| EWrite (EFfiApp ("Basis", "htmlifyString", [(EPrim (Prim.String s), _)]), loc) =>
diff --git a/src/monoize.sml b/src/monoize.sml
index 5fd344d4..4e2340a7 100644
--- a/src/monoize.sml
+++ b/src/monoize.sml
@@ -80,6 +80,9 @@ fun monoType env =
(L'.TRecord (map (fn (x, t) => (monoName env x, mt env dtmap t)) xcs), loc)
| L.TRecord _ => poly ()
+ | L.CApp ((L.CFfi ("Basis", "show"), _), t) =>
+ (L'.TFun (mt env dtmap t, (L'.TFfi ("Basis", "string"), loc)), loc)
+
| L.CApp ((L.CApp ((L.CApp ((L.CFfi ("Basis", "xml"), _), _), _), _), _), _) =>
(L'.TFfi ("Basis", "string"), loc)
| L.CApp ((L.CApp ((L.CFfi ("Basis", "xhtml"), _), _), _), _) =>
@@ -461,6 +464,27 @@ fun monoExp (env, st, fm) (all as (e, loc)) =
end
| L.ECon _ => poly ()
+ | L.ECApp ((L.EFfi ("Basis", "show"), _), t) =>
+ let
+ val t = monoType env t
+ val s = (L'.TFfi ("Basis", "string"), loc)
+ in
+ ((L'.EAbs ("f", (L'.TFun (t, s), loc), (L'.TFun (t, s), loc),
+ (L'.ERel 0, loc)), loc), fm)
+ end
+ | L.EFfi ("Basis", "show_int") =>
+ ((L'.EFfi ("Basis", "intToString"), loc), fm)
+ | L.EFfi ("Basis", "show_float") =>
+ ((L'.EFfi ("Basis", "floatToString"), loc), fm)
+ | L.EFfi ("Basis", "show_string") =>
+ let
+ val s = (L'.TFfi ("Basis", "string"), loc)
+ in
+ ((L'.EAbs ("s", s, s, (L'.ERel 0, loc)), loc), fm)
+ end
+ | L.EFfi ("Basis", "show_bool") =>
+ ((L'.EFfi ("Basis", "boolToString"), loc), fm)
+
| L.ECApp ((L.EFfi ("Basis", "return"), _), t) =>
let
val t = monoType env t
diff --git a/tests/show.ur b/tests/show.ur
new file mode 100644
index 00000000..6a22fe64
--- /dev/null
+++ b/tests/show.ur
@@ -0,0 +1,6 @@
+fun main () : transaction page = return <html><body>
+ 6 = {cdata (show _ 6)}<br/>
+ 12.34 = {cdata (show _ 12.34)}<br/>
+ Hi = {cdata (show _ "Hi")}<br/>
+ False = {cdata (show _ False)}<br/>
+</body></html>
diff --git a/tests/show.urp b/tests/show.urp
new file mode 100644
index 00000000..fa69257a
--- /dev/null
+++ b/tests/show.urp
@@ -0,0 +1,5 @@
+debug
+database dbname=test
+exe /tmp/webapp
+
+show