Re: Patches to remove TREE_COMPLEXITY for C and C++

[Zack Weinberg <zack at codesourcery dot com>]

Per Bothner <per@bothner.com> writes:

> It's far from dead-simple, but my hope is that porting Java to
> --enable-mapped-location will allow us to remove not only the
> complexity field, but also EXPR_WITH_FILE_LOCATION.  That removes
> even more overhead, since it would remove a lot of extra trees.

Sounds good.

> But this involves a lot of code cleanup in the Java parser and
> related code.  And of course that woudl would be mostly wasted
> if we ended up using either Tom's or Eclipse's compiler.

We don't yet know if we're picking up one of those compilers, but I
think it's a safe bet that we aren't doing it for 3.5 - not when we're
already in stage 2.  Whereas it would be really nice if the complexity
field could go away in 3.5.  So I'd encourage doing this work now.

zw