* include/abg-traverse.h (traversable_base::traversable): Change
the signature of this to return a boolean.
* include/abg-ir.h (ir_traversable_base::traverse): Change the
signature of this to return a boolean.
(*::traverse): Adjust.
(ir_node_visitor::visit): Change the signature of this to return a
boolean.
* src/abg-corpus.cc (symtab_build_visitor_type::visit): Adjust.
* src/abg-ir.cc (::traverse): Adjust.
* tests/test-walker.cc (name_printing_visitor::visit): Adjust.
Signed-off-by: Dodji Seketeli <dodji@redhat.com>
* include/abg-fwd.h (node_visitor_base): Renamed ir_node_visitor
into this.
* include/abg-traverse.h (struct node_visitor_base): New base for
the visitors.
(struct traversable_base): Update comments.
(traversable_base::traverse): Change this into non-pure virtual.
Make it take a reference to node_visitor_base, rather than a
reference to ir_node_visitor.
* src/abg-traverse.cc (traversable_base::traverse): New empty
default implementation.
* include/abg-ir.h: Make ir_node_visitor inherit from new
node_visitor_base.
Signed-off-by: Dodji Seketeli <dodji@redhat.com>
