Version 0 of A little tcl.js console

Updated 2007-11-18 14:18:47 by suchenwi

Richard Suchenwirth 2007-11-18 - For experimenting with Tcl in Javascript, I hacked up the following HTML file which, loaded into a browser, allows some interactive experimenting. Make sure the files jquery-1.2.1.js and tcl.js are in the same directory.

You get a kind of entry widget on top, in which you can type Tcl commands. On <Return>, they are evaluated by the browser's Javascript engine, and both the command and its result are displayed further down the window. Use <Down> to clear the entry.

Known bug: some commands are not echoed, even though their result is. I'm not sure why, seems like it has to do with quotes...


 <html><head>
 <script language="javascript" src="jquery-1.2.1.js" type="text/javascript"></script>
 <script language="javascript" src="tcl.js" type="text/javascript"></script>
 <script language="javascript">
 var i = new TclInterp();
 function go(value) {
   if(window.event) { // Windows IE
     keynum = event.keyCode
   } else if(event.which) {keynum = event.which} // Netscape/Firefox/Opera
   if(keynum==40) document.f.e.value = "";
   if(keynum != 13) return true;
   i.eval('puts {% '+ value.replace('"','\\"') +'}');
   var res = i.eval(value);
   try {
     i.eval('puts {'+ res +'}');
   } catch(e) {i.eval('puts {' + e + '}');}
   return false;
 }
 </script>
 </head><body>
 <form name="f">
 <input type="text" name="e" size="80" onKeyDown="return go(document.f.e.value)"/>        
 </form>        
 </body></html> 

Category Development