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//
// $Id$
//
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// rettype_pre_invoke_cs.cpp
//
// = DESCRIPTION
// Visitor generating code for doing any pre-processing of return type prior
// to making the invocation.
//
// = AUTHOR
// Aniruddha Gokhale
//
// ============================================================================
#include "idl.h"
#include "idl_extern.h"
#include "be.h"
#include "be_visitor_operation.h"
ACE_RCSID(be_visitor_operation, rettype_pre_invoke_cs, "$Id$")
// *****************************************************************************
// be_visitor_operation_rettype_pre_invoke_cs
// *****************************************************************************
be_visitor_operation_rettype_pre_invoke_cs::
be_visitor_operation_rettype_pre_invoke_cs (be_visitor_context *ctx)
: be_visitor_decl (ctx)
{
}
be_visitor_operation_rettype_pre_invoke_cs::
~be_visitor_operation_rettype_pre_invoke_cs (void)
{
}
int
be_visitor_operation_rettype_pre_invoke_cs::visit_array (be_array *node)
{
TAO_OutStream *os = this->ctx_->stream (); // grab the out stream
be_type *bt; // return type
if (this->ctx_->alias ()) // a typedefed return type
bt = this->ctx_->alias ();
else
bt = node;
os->indent ();
*os << "ACE_ALLOCATOR_RETURN (_tao_retval, " << bt->name ()
<< "_alloc (), _tao_retval);" << be_nl;
*os << bt->name () << "_var _tao_safe_retval (_tao_retval);\n";
return 0;
}
int
be_visitor_operation_rettype_pre_invoke_cs::visit_interface (be_interface *)
{
// don't do anything. This is the overriding action
return 0;
}
int
be_visitor_operation_rettype_pre_invoke_cs::visit_interface_fwd (be_interface_fwd *)
{
return 0;
}
int
be_visitor_operation_rettype_pre_invoke_cs::
visit_predefined_type (be_predefined_type *node)
{
TAO_OutStream *os = this->ctx_->stream (); // grab the out stream
switch (node->pt ())
{
case AST_PredefinedType::PT_any:
os->indent ();
*os << "ACE_NEW_RETURN (_tao_retval, CORBA::Any, _tao_retval);" << be_nl
<< "CORBA::Any_var _tao_safe_retval (_tao_retval);\n";
break;
default:
break;
}
return 0;
}
int
be_visitor_operation_rettype_pre_invoke_cs::visit_sequence (be_sequence *node)
{
TAO_OutStream *os = this->ctx_->stream (); // grab the out stream
be_type *bt; // return type
if (this->ctx_->alias ()) // a typedefed return type
bt = this->ctx_->alias ();
else
bt = node;
os->indent ();
*os << "ACE_NEW_RETURN (_tao_retval, " << bt->name () << ", _tao_retval);" << be_nl
<< bt->name () << "_var _tao_safe_retval (_tao_retval);\n";
return 0;
}
int
be_visitor_operation_rettype_pre_invoke_cs::visit_structure (be_structure *node)
{
TAO_OutStream *os = this->ctx_->stream (); // grab the out stream
be_type *bt; // return type
if (this->ctx_->alias ()) // a typedefed return type
bt = this->ctx_->alias ();
else
bt = node;
// check if the union is variable
if (node->size_type () == be_type::VARIABLE)
{
os->indent ();
*os << "ACE_NEW_RETURN (_tao_retval, " << bt->name () << ", _tao_retval);" << be_nl
<< bt->name () << "_var _tao_safe_retval (_tao_retval);\n";
}
return 0;
}
int
be_visitor_operation_rettype_pre_invoke_cs::visit_typedef (be_typedef *node)
{
this->ctx_->alias (node); // set the alias node
if (node->primitive_base_type ()->accept (this) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"be_visitor_operation_rettype_pre_docall_cs::"
"visit_typedef - "
"accept on primitive type failed\n"),
-1);
}
this->ctx_->alias (0);
return 0;
}
int
be_visitor_operation_rettype_pre_invoke_cs::visit_union (be_union *node)
{
TAO_OutStream *os = this->ctx_->stream (); // grab the out stream
be_type *bt; // return type
if (this->ctx_->alias ()) // a typedefed return type
bt = this->ctx_->alias ();
else
bt = node;
// check if the union is variable
if (node->size_type () == be_type::VARIABLE)
{
os->indent ();
*os << "ACE_NEW_RETURN (_tao_retval, " << bt->name () << ", _tao_retval);" << be_nl
<< bt->name () << "_var _tao_safe_retval (_tao_retval);\n";
}
return 0;
}
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