So you want to warn if the file contains a print statement w/o from __future__
import print_function? What if it's a call to print such as print('foo')
which is valid in both 2.x and 3.x?
Either way you should be able to just update ParsePrintStmt in Parser.cs.
But dealing w/ the case of the parens would be a little more difficult - but I
think you can just peek at the next token after print and see if it's a
parenthesis right after we eat the print keyword.
-----Original Message-----
From: Jeff Hardy [mailto:jdha...@gmail.com]
Sent: Tuesday, October 11, 2011 9:26 AM
To: Markus Schaber; Dino Viehland
Cc: ironpython-users@python.org
Subject: Re: [Ironpython-users] Warn user when using old print syntax
I think you'd have to patch the code to add the print check to the -3 warnings.
Dino might be able to point out where you would do that.
- Jeff
On Tue, Oct 11, 2011 at 9:13 AM, Markus Schaber <m.scha...@3s-software.com>
wrote:
> Hi,
>
> What is the easiest way to detect and warn the user when he uses the old
> print syntax?
>
> It seems that "-3" aka "WarnPy3k" does not warn about it, and a simple check
> whether the user does "from __future__ import print_function" gives false
> positives if the user does not print at all.
>
> Thanks!
>
> Best regards
>
> Markus Schaber
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