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//
// $Id$
//
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// rettype_vardecl_cs.cpp
//
// = DESCRIPTION
// Visitor generating code for return type variable declaration in the stubs.
//
// = AUTHOR
// Aniruddha Gokhale
//
// ============================================================================
#include "idl.h"
#include "idl_extern.h"
#include "be.h"
#include "be_visitor_operation.h"
ACE_RCSID(be_visitor_operation, rettype_vardecl_cs, "$Id$")
// ************************************************************
// be_visitor_operation_rettype_vardecl_cs
// This visitor generates code for variable declaration and initialization
// of the return type.
// ************************************************************
be_visitor_operation_rettype_vardecl_cs::
be_visitor_operation_rettype_vardecl_cs (be_visitor_context *ctx)
: be_visitor_decl (ctx)
{
}
be_visitor_operation_rettype_vardecl_cs::
~be_visitor_operation_rettype_vardecl_cs (void)
{
}
int
be_visitor_operation_rettype_vardecl_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 << bt->name () << "_slice *_tao_retval = 0;\n";
return 0;
}
int
be_visitor_operation_rettype_vardecl_cs::visit_enum (be_enum *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 << bt->name () << " _tao_retval = (" << bt->name () << ")0;\n";
return 0;
}
int
be_visitor_operation_rettype_vardecl_cs::visit_interface (be_interface *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 << bt->name () << "_ptr _tao_retval = " << bt->name () << "::_nil ();\n";
return 0;
}
int
be_visitor_operation_rettype_vardecl_cs::visit_interface_fwd (be_interface_fwd *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 << bt->name () << "_ptr _tao_retval = " << bt->name () << "::_nil ();\n";
return 0;
}
int
be_visitor_operation_rettype_vardecl_cs::visit_predefined_type (be_predefined_type *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;
switch (node->pt ())
{
case AST_PredefinedType::PT_pseudo:
os->indent ();
*os << bt->name () << "_ptr _tao_retval = 0;\n";
break;
case AST_PredefinedType::PT_any:
os->indent ();
*os << bt->name () << " *_tao_retval = 0;\n";
break;
case AST_PredefinedType::PT_void:
break;
default:
os->indent ();
*os << bt->name () << " _tao_retval = 0;\n";
break;
}
return 0;
}
int
be_visitor_operation_rettype_vardecl_cs::visit_sequence (be_sequence *node)
{
// we should never directly be here because anonymous sequence return types
// are not allowed
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 << bt->name () << " *_tao_retval = 0;\n";
return 0;
}
int
be_visitor_operation_rettype_vardecl_cs::visit_string (be_string * /* node*/)
{
TAO_OutStream *os = this->ctx_->stream (); // grab the out stream
os->indent ();
*os << "char *_tao_retval = 0;\n";
return 0;
}
int
be_visitor_operation_rettype_vardecl_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;
os->indent ();
// based on whether we are variable or not, we return a pointer or the
// aggregate type
if (node->size_type () == be_decl::VARIABLE)
*os << bt->name () << " *_tao_retval = 0;\n";
else
{
*os << bt->name () << " _tao_retval;" << be_nl;
*os << "ACE_OS::memset (&_tao_retval, 0, sizeof (" << bt->name () << "));\n";
}
return 0;
}
int
be_visitor_operation_rettype_vardecl_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_vardecl_cs::"
"visit_typedef - "
"accept on primitive type failed\n"),
-1);
}
this->ctx_->alias (0);
return 0;
}
int
be_visitor_operation_rettype_vardecl_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;
os->indent ();
// based on whether we are variable or not, we return a pointer or the
// aggregate type
if (node->size_type () == be_decl::VARIABLE)
*os << bt->name () << " *_tao_retval = 0;\n";
else
{
*os << bt->name () << " _tao_retval;\n";
}
return 0;
}
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