[Debug/Fortran] PR37132 - RFC/RFA - support DW_TAG_namelist

[Mikael Morin]

Hello,

Le 10/06/2013 22:40, Tobias Burnus a écrit :
> My problem: I do not see where one can best handle the  namelist for
> modules. One possibility would be gen_namespace_die - but that would
> come before the dies of all VAR_DECLs used in the namelist have been
> created. And the code seems to assume that the decl is not emitted,
> hence, one cannot simply use force_decl_die in gen_namespace_die. - One
> possibility would be to add a lookup_decl_die() check (e.g. in
> dwarf2out_global_decl) and to use force_decl_die, but I don't know
> whether that's a good approach.
> 
> Suggestions?
> 
I'm not at all familiar with the code paths for debug info generation,
but wouldn't it work if, starting from the first patch, you moved the
call to
  gfc_traverse_ns (ns, generate_namelist_decl)
after this:
  gfc_traverse_ns (ns, gfc_emit_parameter_debug_info);
in the two places where the latter appears?

Is the new tree code the preferred way?  A namelist feels too
fortran-specific to me to deserve its own middle-end decl code.

Mikael