Mercurial > urweb
changeset 142:6f9e224692ec
Form submission type-checking
| author | Adam Chlipala <adamc@hcoop.net> |
|---|---|
| date | Sun, 20 Jul 2008 12:21:30 -0400 |
| parents | 63c699450281 |
| children | 4b9c2bd6157c |
| files | lib/basis.lig src/lacweb.grm tests/form.lac |
| diffstat | 3 files changed, 13 insertions(+), 2 deletions(-) [+] |
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--- a/lib/basis.lig Sun Jul 20 11:33:23 2008 -0400 +++ b/lib/basis.lig Sun Jul 20 12:21:30 2008 -0400 @@ -63,3 +63,7 @@ -> nm :: Name -> unit -> tag attrs ([LForm] ++ ctx) [] [] [nm = ty] val textbox : lformTag string [] + +val submit : ctx ::: {Unit} -> [LForm] ~ ctx + -> use ::: {Type} -> unit + -> tag [Action = $use -> page] ([LForm] ++ ctx) ([LForm] ++ ctx) use []
--- a/src/lacweb.grm Sun Jul 20 11:33:23 2008 -0400 +++ b/src/lacweb.grm Sun Jul 20 12:21:30 2008 -0400 @@ -285,7 +285,6 @@ end) | LPAREN eexp RPAREN DCOLON cexp (EAnnot (eexp, cexp), s (LPARENleft, cexpright)) - | eterm DOT ident (EField (eterm, ident), s (etermleft, identright)) eterm : LPAREN eexp RPAREN (#1 eexp, s (LPARENleft, RPARENright)) @@ -297,6 +296,7 @@ | FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright)) | STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright)) + | path DOT ident (EField ((EVar path, s (pathleft, pathright)), ident), s (pathleft, identright)) | FOLD (EFold, s (FOLDleft, FOLDright)) | XML_BEGIN xml XML_END (xml)
--- a/tests/form.lac Sun Jul 20 11:33:23 2008 -0400 +++ b/tests/form.lac Sun Jul 20 12:21:30 2008 -0400 @@ -1,6 +1,13 @@ +val handler = fn r => <html><body> + <li> Name: {cdata r.Nam}</li> + <li> Word: {cdata r.Word}</li> +</body></html> + val main : unit -> page = fn () => <html><body> <lform> Name: <textbox{#Nam} /><br/> - Color: <textbox{#Color} /><br/> + Word: <textbox{#Word} /><br/> + + <submit action={handler}/> </lform> </body></html>