This will be interesting...
nrc
👍13
All 2 comments
The strategy here will be to get the text for the macro, replace every $foo in the body of the macro with a string of the same length, e.g., xfoo. Then re-parse it and format it and convert the xfoos back to $foos (obvs we need to check that there is no xfoo in the body before substituting).
We'll need to format the decl of the macro, and find the body, I suppose, using token trees.
nrc
on 29 Apr 2015
👍6
Google led me here. Is it worth closing this issue now, since rustfmt does have basic macro support?
lambda-fairy
on 27 Sep 2020
👍1
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Most helpful comment
The strategy here will be to get the text for the macro, replace every
$fooin the body of the macro with a string of the same length, e.g.,xfoo. Then re-parse it and format it and convert thexfoos back to$foos (obvs we need to check that there is noxfooin the body before substituting).We'll need to format the decl of the macro, and find the body, I suppose, using token trees.