Re: Go Card Error Handling

Perhaps the stackFiles property could used to load on stack load rather than load on demand. Load/unload would certainly be nicer than what we do now which is check if there is a stack then get the short name and delete when finished with it. Sent from my iPhone > On 25 Jun 2016, at 3:08 AM,

Re: Go Card Error Handling

On 06/24/2016 10:08 AM, Mark Waddingham wrote: Suggests that these are two distinct operations and a 'cleaner' model would be perhaps to have: load stack To load a stack from disk which, as it involves file I/O, should set the result. And, furthermore, make: go stack Only succeed

Re: Go Card Error Handling

not extricate from? That is the reason for leaving the old way alone. Craig Newman -Original Message- From: Mark Waddingham <m...@livecode.com> To: How to use LiveCode <use-livecode@lists.runrev.com> Sent: Fri, Jun 24, 2016 1:09 pm Subject: Re: Go Card Error Handling T

Re: Go Card Error Handling

> On Jun 24, 2016, at 11:08 AM, Mark Waddingham wrote: > > From an error handling point of view, these present two entirely different > cases. > > For operations which you should always expect to succeed *or* can guarantee > will succeed by a preceding check in code, the

Re: Go Card Error Handling

Thanks Dar and Jacque, That puts it nicely in context. I'd class this behavior, then, as being for 'HyperCard compatibility'. LiveCode does have a slightly different model from HyperCard though, which is why it is perhaps a behavior which should be reviewed at some point. Indeed, it

Re: Go Card Error Handling

In HyperCard 2.2: The Book, the example handler for a "go" to a non-existent card checks the result and gracefully handles any failure. Presumably it doesn't throw an error so the stack author can manage navigation without interrupting the user with a dialog. The sample handler describes a

Re: Go Card Error Handling

In "HyperCard: Script Language Guide" the "go" error message result is described in the context of file I/O, that is, finding the stack when there is a "without dialog" clause. > On Jun 23, 2016, at 11:33 AM, Mark Waddingham wrote: > > Hi all, > > Whilst investigating a

Go Card Error Handling

Hi all, Whilst investigating a bug this afternoon (http://quality.livecode.com/show_bug.cgi?id=17873 - which has a moral attached to it, I'll come back to that) I was reminded that 'go card' seems to have somewhat inconsistent error handling compared to other commands which reference