Re: [9fans] Help with plumbing rules

[Bruce Ellis <bruce.ellis@gmail.com>]

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The diagnostic on the last line should be:

Unexpected End of File at EOF

That's the memorable diagnostic from a CDC compiler.

brucee


On 6 November 2013 17:42, <6o205zd02@sneakemail.com> wrote:

> I'm trying to create a plumbing rule so that I can right-click (in acme)
> on the diagnostic messages produced by Python and get the file opened with
> the appropriate line select.  Unfortunately my attempts so far have failed.
>
> Question 1: Is there an easy way to "debug" plumbing rules (I'm using
> plan9port on linux)?
>
> I started by looking at a couple of existing rules from $PLAN9/plumb/basic:
>
> # existing files tagged by line number:columnumber or
> linenumber.columnumber, twice, go to editor
> type is text
> data matches '([.a-zA-Z¡-￿0-9_/\-]*[a-zA-Z¡-￿0-9_/\-])':$
> twocolonaddr,$twocolonaddr
> arg isfile $1
> data set $file
> attr add addr=$2-#1+#$3,$4-#1+#$5
> plumb to edit
> plumb client $editor
>
> # existing files tagged by line number:columnumber or
> linenumber.columnumber, twice, go to editor
> type is text
> data matches '([.a-zA-Z¡-￿0-9_/\-]*[a-zA-Z¡-￿0-9_/\-])':$
> twocolonaddr
> arg isfile $1
> data set $file
> attr add addr=$2-#1+#$3
> plumb to edit
> plumb client $editor
>
> After reading http://plan9.bell-labs.com/sys/doc/plumb.pdf, I think I
> understand these rules except for the line
> data set $file
>
> Question2: What does that line do?  What is $file?
>
> Since the Python 2.7 diagnostic messages look like
>
> File "/home/pcanning/src/python/test/test_cli.py", line 91, in
> test_interactive_mode
>
> I created the following rule that attempts to match the test from "File"
> to "line 91", and send plumbing message to edit (acme).
>
> # Python (2.7) error messages
> type is text
> data matches File "([.a-zA-Z¡-￿0-9_/\-]*[a-zA-Z¡-￿0-9_/\-])", line
> ([0-9]+)
> arg isfile $1
> data set $1
> attr add addr=$2
> plumb to edit
> plumb client $editor
>
> Question 3: How do I change this rule to make acme open
> /home/pcanning/src/python/test/test_cli.py and select line 91 (in the
> example above)?
>
>     thanks,
>     Peter Canning
>
> PS: Once I get this working I'll tackle the diagnostic messages I get when
> compiling Java code using maven (not my choice).  They look like
> [error] /home/pcanning/src/java/test/PerfTest.java:[66,1] error: reached
> end of file while parsing
>
>
>

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