Ur/Web: tests/styleRt.ur annotate

Fix a read-after-free bug using a timestamp check

author	Adam Chlipala <adam@chlipala.net>
date	Thu, 19 Nov 2015 13:18:58 -0500
parents	e9587120831a
children

rev	line source
adam@1755	1 fun handler r =
adam@1755	2 return <xml><body>
adam@1755	3 <span style={oneProperty
adam@1755	4 (oneProperty noStyle (value (property r.Prop) (atom r.Valu)))
adam@1755	5 (value (property "background") (css_url (bless r.Url)))}>
adam@1755	6 Teeeest
adam@1755	7 </span>
adam@1755	8 </body></xml>
adam@1755	9
adam@1755	10 fun main () =
adam@1755	11 prop <- source "";
adam@1755	12 valu <- source "";
adam@1755	13 url <- source "";
adam@1755	14 xm <- source <xml/>;
adam@1755	15 return <xml><body>
adam@1755	16 Property: <ctextbox source={prop}/><br/>
adam@1755	17 Value: <ctextbox source={valu}/><br/>
adam@1755	18 URL: <ctextbox source={url}/><br/>
adam@1755	19 <button value="Go!" onclick={prop <- get prop;
adam@1755	20 valu <- get valu;
adam@1755	21 url <- get url;
adam@1755	22 set xm <xml><span style={oneProperty
adam@1755	23 (oneProperty noStyle (value (property prop) (atom valu)))
adam@1755	24 (value (property "background") (css_url (bless url)))}>
adam@1755	25 Teeeest
adam@1755	26 </span></xml>}/>
adam@1755	27 <hr/>
adam@1755	28 <dyn signal={signal xm}/>
adam@1755	29 <hr/>
adam@1755	30 <h2>Or the old fashioned way...</h2>
adam@1755	31
adam@1755	32 <form>
adam@1755	33 Property: <textbox{#Prop}/><br/>
adam@1755	34 Value: <textbox{#Valu}/><br/>
adam@1755	35 URL: <textbox{#Url}/><br/>
adam@1755	36 <submit action={handler}/>
adam@1755	37 </form>
adam@1755	38 </body></xml>

Mercurial > urweb