[Swift-devel] Re: Swift Error!

[Mihael Hategan]

On Wed, 2007-10-10 at 12:32 -0500, Michael Wilde wrote:

> - references to arrays as objects (ie by using one n a foreach) block 
> until the array is set ("closed")

Approximately. The foreach will start iterating on items as soon as they
are available. The whole foreach will only complete when it's known that
no more items will be added to an array (aka. the array is "closed").

> (All - please correct/extend this as needed. I will try to write text 
> and examples of each of these points for the userguide/tutorials but 
> please dont wait for me if you get the urge).
> 
> Until you get the hang of this "data flow" model, writing even simple 
> code can be tricky.
> 
> Whats worse is that we dont yet have the ability to a) include line 
> numbers in errors once you are out of the swift parser) and b) its hard 
> to tell what you are hanging on when the whole script hangs.
> 
> Thats why I urged you, and urge you again, Andrew, to start testing the 
> program in small pieces, from the inside working outwards, so that you 
> are building on known working code.
> 
> This gets quite easy once you develop a solid mental model of how swift 
> behaves, but getting there takes a few days of experimentation (at least 
> it did for me, and Im about 75% there ;)
> 
> I'll try to help you tomorrow, but others may be able to spot some 
> problems in your source code.
> 
> - Mike
> 
> 
> On 10/10/07 12:17 PM, andrewj at uchicago.edu wrote:
> > On that note, is there anyway to grab more information in real
> > time as to what is going on with swift?
> > 
> > de at mcs.anl.gov>, swiftdevel <swift-devel at ci.uchicago.edu>
> >> none of those messgaes are errors in themselves - they're
> > debugging 
> >> messages about what is going on inside.
> >>
> >> Do you mean to report that it then hangs 'forever'?
> >>
> >> On Wed, 10 Oct 2007, andrewj at uchicago.edu wrote:
> >>
> >>> Hello all,
> >>>
> >>>   I am getting the following to happen when I try to run swift:
> >>>
> >>> [andrewj at terminable Swifty]$ swift -debug 10-10-07-CADWF.swift
> >>> 10-10-07-CADWF.swift: source file is new. Recompiling.
> >>> Validation of XML intermediate file was successful
> >>> Using sites file:
> >>> /home/andrewj/CADGrid/Swifty/vdsk-0.3/bin/../etc/sites.xml
> >>> Using tc.data:
> >>> /home/andrewj/CADGrid/Swifty/vdsk-0.3/bin/../etc/tc.data
> >>> Swift v0.3 r1319 (modified locally)
> >>>
> >>> Swift v0.3 r1319 (modified locally)
> >>>
> >>> RunID: 20071010-1204-pvgabtv1
> >>> RunID: 20071010-1204-pvgabtv1
> >>> Waiting for org.griphyn.vdl.mapping.RootDataNode with no value
> >>> at dataset=malFMatrix
> >>> Waiting for org.griphyn.vdl.mapping.RootDataNode with no value
> >>> at dataset=malFMatrix
> >>> Waiting for org.griphyn.vdl.mapping.RootDataNode with no value
> >>> at dataset=malFMatrix
> >>> Waiting for org.griphyn.vdl.mapping.RootDataNode with no value
> >>> at dataset=malFMatrix
> >>> Waiting for org.griphyn.vdl.mapping.RootDataNode with no value
> >>> at dataset=feature
> >>> Waiting for org.griphyn.vdl.mapping.RootDataNode with no value
> >>> at dataset=feature
> >>> Waiting for org.griphyn.vdl.mapping.RootDataNode with no value
> >>> at dataset=feature
> >>>
> >>> You guys are free to look at the swift code located in
> >>> /home/andrewj/CADGrid/Swifty/ mounted on the ci disk.
> >>>
> >>> Suggestions?
> >>>
> >>> Thanks,
> >>> Andrew
> >>>
> >>>
> > 
> > 
>