Re: PATCH: Start Fortran support for variable objects.

[Nick Roberts <nickrob@snap.net.nz>]

Daniel Jacobowitz writes:
 > On Fri, Jul 01, 2005 at 04:32:54PM +1200, Nick Roberts wrote:
 > > So I should have done:
 > > 
 > > (top-gdb) p TYPE_LOW_BOUND(var->type->main_type->fields->type)
 > > $1 = 1
 > > (top-gdb) p TYPE_HIGH_BOUND(var->type->main_type->fields->type)
 > > $2 = 4
 > 
 > Right - specifically, TYPE_LOW_BOUND (TYPE_INDEX_TYPE (var->type))
 > is supposed to be the lower bound for an array.  Tricky.  It comes from
 > read_subrange_type in dwarf2read.c for dwarf2.

Or even TYPE_ARRAY_LOWER_BOUND_VALUE (var->type)?

Presumably these macros are more general than dwarf2.  I don't understand the
connection with read_subrange_type.

 ...
 > First of all, never reference ->main_type - see above for the right way
 > to get the low bound.  An even better way (it seems) is to call
 > get_discrete_bounds.  Take a look at value_subscript for an example.

Better than TYPE_LOW_BOUND?

 ...
 > So let's use TYPE_LOW_BOUND for now; does that eliminate the need for
 > the fortran-specific code?

OK.  And, in future, bear get_discrete_bounds in mind?

Nick