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//=============================================================================
/**
* @file amh_sh.cpp
*
* Visitor generating AMH skeleton code for Operation node in the
* skeleton header.
*
* @author Mayur Deshpande <mayur@ics.uci.edu>
*/
//=============================================================================
#include "operation.h"
be_visitor_amh_operation_sh::be_visitor_amh_operation_sh (
be_visitor_context *ctx)
: be_visitor_operation (ctx)
{
}
be_visitor_amh_operation_sh::~be_visitor_amh_operation_sh ()
{
}
int
be_visitor_amh_operation_sh::visit_operation (be_operation *node)
{
/// If there is an argument of type "native", return immediately.
if (node->has_native ())
{
return 0;
}
/// These are not for the server side.
if (node->is_sendc_ami ())
{
return 0;
}
// Output stream.
TAO_OutStream *os = this->ctx_->stream ();
this->ctx_->node (node);
this->generate_shared_prologue (node, os, "");
be_visitor_context ctx (*this->ctx_);
be_visitor_args_arglist arglist_visitor (&ctx);
arglist_visitor.set_fixed_direction (AST_Argument::dir_IN);
ctx.scope (node);
for (UTL_ScopeActiveIterator i (node, UTL_Scope::IK_decls);
!i.is_done ();
i.next ())
{
be_argument *argument =
dynamic_cast<be_argument*> (i.item ());
if (argument == nullptr
|| argument->direction () == AST_Argument::dir_OUT)
{
continue;
}
*os << "," << be_nl;
if (arglist_visitor.visit_argument (argument) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_amh_operation_sh::"
"visit_operation - "
"codegen for upcall args failed\n"),
-1);
}
}
*os << be_uidt_nl
<< ") = 0;" << be_uidt_nl;
return 0;
}
int
be_visitor_amh_operation_sh::visit_attribute (be_attribute *node)
{
TAO_OutStream *os = this->ctx_->stream ();
this->generate_shared_prologue (node, os, "_get_");
*os << be_uidt_nl
<< ") = 0;" << be_uidt_nl;
if (node->readonly ())
{
return 0;
}
this->generate_shared_prologue (node, os, "_set_");
*os << "," << be_nl;
be_argument the_argument (AST_Argument::dir_IN,
node->field_type (),
node->name ());
be_visitor_context ctx (*this->ctx_);
be_visitor_args_arglist visitor (&ctx);
int status = visitor.visit_argument (&the_argument);
the_argument.destroy ();
if (-1 == status)
{
return -1;
}
*os << be_uidt_nl << ") = 0;" << be_uidt_nl;
return 0;
}
void
be_visitor_amh_operation_sh::generate_shared_prologue (
be_decl *node,
TAO_OutStream *os,
const char *skel_prefix)
{
TAO_INSERT_COMMENT (os);
*os << "static void " << skel_prefix
<< this->ctx_->port_prefix ().c_str ()
<< node->local_name ()
<< "_skel (" << be_idt << be_idt_nl
<< "TAO_ServerRequest &_tao_req," << be_nl
<< "TAO::Portable_Server::Servant_Upcall *_tao_obj," << be_nl
<< "TAO_ServantBase *_tao_servant_upcall"
<< ");" << be_uidt_nl << be_uidt_nl;
// We need the interface node in which this operation was defined. However,
// if this operation node was an attribute node in disguise, we get this
// information from the context
be_interface *intf =
dynamic_cast<be_interface*> (node->defined_in ());
if (this->ctx_->attribute () != nullptr)
{
intf = dynamic_cast<be_interface*> (
this->ctx_->attribute()->defined_in ()
);
}
if (intf == nullptr)
{
ACE_ERROR ((LM_ERROR,
"(%N:%l) be_visitor_amh_operation_sh::"
"visit_operation - "
"bad interface scope\n"));
return;
}
// Step 1 : Generate return type: always void
*os << "virtual void ";
// Step 2: Generate the method name
*os << node->local_name() << " (" << be_idt << be_idt_nl;
// STEP 3: Generate the argument list with the appropriate
// mapping. For these we grab a visitor that generates the
// parameter listing. We also generate the ResponseHandler
// argument 'on the fly' and add it to the argument list
char *buf;
// @@ TODO this must be kept consistent with the code in
// be_visitor_interface/amh_sh.cpp
intf->compute_full_name ("AMH_", "ResponseHandler_ptr", buf);
*os << buf << " _tao_rh";
// buf was allocated by ACE_OS::strdup, so we must use free instead
// of delete.
ACE_OS::free (buf);
buf = nullptr;
}
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