Re: C++/Java regressions

[Ian Lance Taylor <ian at wasabisystems dot com>]

Daniel Jacobowitz <drow@mvista.com> writes:

> > > I'm considering a routine for canonicalization of C++ demangled names. 
> > 
> > If it helps, that's more or less what my libiberty C++ demangler does.
> > It first translate the name into a simple tree structure, and then
> > walks the tree translating it into a string.  I could expose the tree,
> > although it would have to be documented a bit better.
> 
> Oh, so it's already two-pass?  If we could work out an API for the
> tree, then GDB could build and supply trees to get a canonical form
> back from the demangler.  That has the added bonus of not needing to
> post-process the demangler output (if we know that we've got a GNU v3
> name and thus this demangler was used, of course - v2 would still need
> to be parsed).  That sounds like an ideal solution.

It sounds workable to me.  You may want to take a look at enum
d_comp_type and struct d_comp near the top of libiberty/cp-demangle.c,
and see if it is the type of thing you could imagine using.

> Do you have an opinion on the "A::bar const" DMGL_PARAMS issue that
> Michael Chastain noticed, by the way?

Yes, I think it should print A::bar without the const.  I have the
patch in my sources, but I haven't checked it in yet.

Ian