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[vwnc] Pragmas and Rewrite Tool

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Mike Hales
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[vwnc] Pragmas and Rewrite Tool

Mike Hales
Has anybody used the Rewrite Tool to successfully add pragmas to a method? I want to remove a certain message send, and instead tag the method with a particular pragma. Actually if I try to rewrite methods that have pragmas, they are removed. Is this a bug?

Mike

Mike Hales
Engineering Manager
KnowledgeScape
www.kscape.com

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thomas.hawker
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Re: [vwnc] Pragmas and Rewrite Tool

thomas.hawker

Mike,

 

Well, I won’t call it a bug, but the rewrite tool doesn’t deal with pragmas as distinct patterns against which search-and-replace operations can be performed.  I raised the issue some time ago (last year?) and, on digging into it, found that the rewrite parser basically ignores the text within the annotation – that is, it sees “<” and more or less copies verbatim everything up to “>”.  It doesn’t have any rules for treating it as a message send or a specially recognized construct, so you can’t do anything with them, such as removing specific ones, refactoring them, or moving them into or out of the method code.  I recall someone (Travis, Alan, Ralf?) commenting that it needs to be smarter about annotations, but I don’t think anything came of it.

 

Cheers!

 

Tom Hawker

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From: [hidden email] [mailto:[hidden email]] On Behalf Of Mike Hales
Sent: Wednesday, November 18, 2009 4:58 PM
To: [hidden email]
Subject: [vwnc] Pragmas and Rewrite Tool

 

Has anybody used the Rewrite Tool to successfully add pragmas to a method? I want to remove a certain message send, and instead tag the method with a particular pragma. Actually if I try to rewrite methods that have pragmas, they are removed. Is this a bug?

Mike

Mike Hales
Engineering Manager
KnowledgeScape
www.kscape.com

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