Re: Forced remapping of local variables

[email protected] wrote:
> Hi all,
> 
> is it possible to "search-and-replace" the usage of a given local variable
> through another (unoccupied) local variable throughout a method, using ASM? For
> example, assume that the local variable with index 1 holds an integer, and I
> want to store that integer in local variable 555 (assuming that 555 is
> unoccupied while also some local vars between 1 and 55 are unoccupied). 

this is possible: the LocalVariablesSorter class does a similar thing.

> Is there an automated, "easy" way to do that using ASM? I tried to manually
> replace localvar indexes inside ASMifier-generated code, but learned that the
> dumped bytecode still groups localvars closer to the "bottom", ignoring my
> instructions...

ASM does not change the local variable indexes by itself. If you use a 
class adapter to change them explicitely (like LocalVariablesSorter), 
they will be written in the class file without any further 
transformation or grouping.

Eric

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