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//=============================================================================
/**
* @file amh_si.cpp
*
* $Id$
*
* Specialized interface visitor for AMH generates code that is
* specific to AMH interfaces.
*
* @author Jeff Parsons <j.parsons@vanderbilt.edu>
*/
//=============================================================================
ACE_RCSID (be_visitor_interface,
amh_si,
"$Id$")
be_visitor_amh_interface_si::be_visitor_amh_interface_si (
be_visitor_context *ctx
)
: be_visitor_interface_si (ctx)
{
}
be_visitor_amh_interface_si::~be_visitor_amh_interface_si (void)
{
}
int
be_visitor_amh_interface_si::visit_interface (be_interface *node)
{
if (node->srv_inline_gen () || node->imported () || node->is_local ())
{
return 0;
}
// Do not generate AMH classes for any sort of implied IDL.
if (node->original_interface () != 0)
{
return 0;
}
TAO_OutStream *os = this->ctx_->stream ();
int status =
node->traverse_inheritance_graph (
be_visitor_amh_interface_si::gen_skel_helper,
os
);
if (status == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"be_visitor_amh_interface_si::"
"visit_interface - "
"inheritance graph traversal failed\n"),
-1);
}
return 0;
}
int
be_visitor_amh_interface_si::gen_skel_helper (be_interface *derived,
be_interface *ancestor,
TAO_OutStream *os)
{
// If derived and ancestor are same, skip it.
if (derived == ancestor)
{
return 0;
}
// If an operation or an attribute is abstract (declared in an
// abstract interface), we will either generate the full
// definition (if there are no concrete interfaces between the
// abstract ancestor and us) or, if there is a concrete ancestor
// in between, we will catch its definition elsewhere in this
// traversal.
if (ancestor->is_abstract ())
{
return 0;
}
// Else generate code that does the cast to the appropriate type.
if (ancestor->nmembers () > 0)
{
// If there are elements in ancestor scope i.e., any operations and
// attributes defined by "ancestor", become methods on the derived class
// which call the corresponding method of the base class by doing the
// proper casting.
ACE_CString ancestor_name ("POA_");
char *buf = 0;
ancestor->compute_full_name ("AMH_", "", buf);
ancestor_name += buf;
// buf was allocated by ACE_OS::strdup, so we need to use free instead
// of delete.
ACE_OS::free (buf);
buf = 0;
const char *ancestor_amh_name = ancestor_name.fast_rep ();
ACE_CString derived_name ("POA_");
derived->compute_full_name ("AMH_", "", buf);
derived_name += buf;
// buf was allocated by ACE_OS::strdup, so we need to use free instead
// of delete.
ACE_OS::free (buf);
buf = 0;
const char *derived_amh_name = derived_name.fast_rep ();
for (UTL_ScopeActiveIterator si (ancestor, UTL_Scope::IK_decls);
!si.is_done ();
si.next ())
{
// Get the next AST decl node
AST_Decl *d = si.item ();
if (d->node_type () == AST_Decl::NT_op)
{
*os << be_nl << be_nl << "// TAO_IDL - Generated from" << be_nl
<< "// " << __FILE__ << ":" << __LINE__;
*os << be_nl << be_nl;
// Generate code in the inline file.
// Generate the static method corresponding to this method.
*os << "ACE_INLINE" << be_nl
<< "void" << be_nl
<< derived_amh_name << "::"
<< d->local_name ()
<< "_skel (" << be_idt << be_idt_nl
<< "TAO_ServerRequest & req," << be_nl
<< "void * context," << be_nl
<< "void * obj" << env_decl << be_uidt_nl
<< ")" << be_uidt_nl
<< "{" << be_idt_nl;
*os << ancestor_amh_name
<< "* const impl = static_cast<"
<< derived_amh_name
<< " *> (obj);" << be_nl;
*os << ancestor_amh_name
<< "::" << d->local_name ()
<< "_skel (" << be_idt << be_idt_nl
<< "req," << be_nl
<< "context," << be_nl
<< "impl" << env_arg << be_uidt_nl
<< ");" << be_uidt << be_uidt_nl
<< "}";
}
else if (d->node_type () == AST_Decl::NT_attr)
{
AST_Attribute *attr = AST_Attribute::narrow_from_decl (d);
if (attr == 0)
{
return -1;
}
*os << be_nl << be_nl;
// Generate code in the inline file.
// Generate the static method corresponding to this method.
*os << "ACE_INLINE" << be_nl
<< "void" << be_nl
<< derived_amh_name << "::_get_"
<< d->local_name ()
<< "_skel (" << be_idt << be_idt_nl
<< "TAO_ServerRequest & req," << be_nl
<< "void * context," << be_nl
<< "void * obj" << env_decl << be_uidt_nl
<< ")" << be_uidt_nl
<< "{" << be_idt_nl;
*os << ancestor_amh_name
<< "* const impl = static_cast<"
<< derived_amh_name
<< " *> (obj);" << be_nl;
*os << ancestor_amh_name
<< "::_get_" << d->local_name ()
<< "_skel (" << be_idt << be_idt_nl
<< "req," << be_nl
<< "context," << be_nl
<< "impl" << env_arg << be_uidt_nl
<< ");" << be_uidt << be_uidt_nl
<< "}";
if (!attr->readonly ())
{
*os << be_nl << be_nl;
// Generate code in the inline file.
// Generate the static method corresponding to
// this method.
*os << "ACE_INLINE" << be_nl
<< "void" << be_nl
<< derived_amh_name
<< "::_set_" << d->local_name ()
<< "_skel (" << be_idt << be_idt_nl
<< "TAO_ServerRequest & req," << be_nl
<< "void * context," << be_nl
<< "void * obj" << env_decl << be_uidt_nl
<< ")" << be_uidt_nl
<< "{" << be_idt_nl;
*os << ancestor_amh_name
<< "* const impl = static_cast<"
<< derived_amh_name
<< " *> (obj);" << be_nl;
*os << ancestor_amh_name
<< "::_set_" << d->local_name ()
<< "_skel (" << be_idt << be_idt_nl
<< "req," << be_nl
<< "context," << be_nl
<< "impl" << env_arg << be_uidt_nl
<< ");" << be_uidt << be_uidt_nl
<< "}";
}
}
} // End of FOR
}
return 0;
}
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