On Apr 8, 3:47 pm, r wrote:
> I'm already making something like this (that is, if I understand you
> correctly). In the example below (an "almost" real code this time, I
> made too many mistakes before) all the Expressions (including the
> Error one) implement an 'eval' method that gets called by
On Apr 8, 12:47 pm, r wrote:
> Anyway, thank you all for helping me out and bringing some ideas to
> the table. I was hoping there might be some pattern specifically
> designed for thiskind of job (exception generators anyone?), which
> I've overlooked. If not anything else, knowing that this isn'
On Sat, Apr 9, 2011 at 3:22 AM, Raymond Hettinger wrote:
>
> You could just let the exception go up to an outermost control-loop
> without handling it at all on a lower level. That is what exceptions
> for you: terminate all the loops, unwind the stacks, and propagate up
> to some level where the
r wrote:
The code above implements an interactive session (a REPL). Therefore,
what I'd like to get is an error information printed out at the output
as soon as it becomes available.
Couple ideas:
1) Instead of yielding the error, call some global print function, then
continue on; or
2) Col
On Apr 8, 8:55 am, r wrote:
> I had a problem for which I've already found a "satisfactory"
> work-around, but I'd like to ask you if there is a better/nicer
> looking solution. Perhaps I'm missing something obvious.
>
> The code looks like this:
>
> stream-of-tokens = token-generator(stream-of-ch
Terry, Ian, thank you for your answers.
On Sat, Apr 9, 2011 at 1:30 AM, Terry Reedy wrote:
[...]
> According to the above, that should be stream-of-parsed-expressions.
Good catch.
> The question which you do not answer below is what, if anything, you want to
> do with error? If nothing, just pa
On Apr 8, 8:55 am, r wrote:
> I had a problem for which I've already found a "satisfactory"
> work-around, but I'd like to ask you if there is a better/nicer
> looking solution. Perhaps I'm missing something obvious.
>
> The code looks like this:
>
> stream-of-tokens = token-generator(stream-of-ch
On 4/8/2011 11:55 AM, r wrote:
I had a problem for which I've already found a "satisfactory"
work-around, but I'd like to ask you if there is a better/nicer
looking solution. Perhaps I'm missing something obvious.
The code looks like this:
stream-of-tokens = token-generator(stream-of-characters
On Fri, Apr 8, 2011 at 9:55 AM, r wrote:
> I had a problem for which I've already found a "satisfactory"
> work-around, but I'd like to ask you if there is a better/nicer
> looking solution. Perhaps I'm missing something obvious.
>
> The code looks like this:
>
> stream-of-tokens = token-generator
I had a problem for which I've already found a "satisfactory"
work-around, but I'd like to ask you if there is a better/nicer
looking solution. Perhaps I'm missing something obvious.
The code looks like this:
stream-of-tokens = token-generator(stream-of-characters)
stream-of-parsed-expressions =
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