[squeak-dev] The Inbox: System-dtl.1164.mcz

Tobias Pape Das.Linux at gmx.de
Tue Jun 9 22:38:12 UTC 2020


> On 09.06.2020, at 23:23, David T. Lewis <lewis at mail.msen.com> wrote:
> On Tue, Jun 09, 2020 at 09:43:56PM +0200, Tobias Pape wrote:
>>> On 09.06.2020, at 21:06, tim Rowledge <tim at rowledge.org> wrote:
>>>> On 2020-06-09, at 11:52 AM, David T. Lewis <lewis at mail.msen.com> wrote:
>>>> Funny you should mention it, that's how I went down this rabbit hole
>>>> in the first place. I was thinking that it would be an obviously good
>>>> thing to do if we could evaluate a doIt or named script file immediately
>>>> on image startup, as opposed to waiting until all of the Etoys script
>>>> processing comes to life somewhere later in the startUp process.
>>> Exactly. Note that VW has several commandline switches we might want to learn from
>>> -filein {some file names}
>>> -doit {some strings}
>>> -evaluate {a single string & write result to stdout & quit
>>> -cli {start a commandline loop}
>> Just for information, this is from RSqueak:
>>    Usage: ./rsqueak [-r|-m|-h] [-naPu] [-jpiS] [-tTslL] <path> [--] [Squeak arguments]
>>            <path> - image path (default: Squeak.image)
>>            Squeak arguments are passed on to the Squeak image rather than being processed.
>>          Execution:
>>            -r|--run <code>  - Code will be compiled and executed in
>>                               headless mode, result printed.
>>            -m|--method <selector>
>>                             - Selector will be sent to nil in
>>                               headless mode, result printed.
>>            -n|--num <int>   - Only with -m or -r. SmallInteger to be used as
>>                               receiver (default: nil).
>>            -a|--arg <arg>   - Only with -m. Will be used as String argument.
>>            -P|--process     - Only with -m or -r. Disable headless mode.
>>                               A high-priority Process for the new context will
>>                               be created. The last active Process in the image
>>                               will be started, but then quickly switch to the
>>                               synthetic high-prio Process.
>>            -u|--stop-ui     - Only with -m or -r. Try to stop UI-process at
>>                               startup. Can help benchmarking.
>>            --shell          - Stop after loading the image. Any code typed is
>>                               compiled an run.
>> And some others.
>> (Admittedly, most are a bit overly specific, but have served well, especially the shell is cool)
> Thanks, also good ideas. I am guessing that this command line parsing
> is done in the RSqueak VM prior to entering the image, is that right?

Yes, everything before -- is VM stuff.

Best regards

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