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//
// $Id$
//
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// post_invoke_cs.cpp
//
// = DESCRIPTION
// Visitor generating code for post-processing of arguments following an
// invocation.
//
// = AUTHOR
// Jeff Parsons
//
// ============================================================================
#include "idl.h"
#include "be.h"
#include "be_visitor_argument.h"
ACE_RCSID(be_visitor_argument, post_invoke_cs, "$Id$")
// *************************************************************************
// visitor for argument to do any post invocation processing. Not all types need
// this. Only those that have an _out type need this. In addition, interfaces
// need it because we need to convert from the interface type to the base Object
// type and vice versa.
// *************************************************************************
be_visitor_args_post_invoke_cs::be_visitor_args_post_invoke_cs
(be_visitor_context *ctx)
: be_visitor_args (ctx)
{
}
be_visitor_args_post_invoke_cs::~be_visitor_args_post_invoke_cs (void)
{
}
int
be_visitor_args_post_invoke_cs::visit_argument (be_argument *node)
{
this->ctx_->node (node); // save the argument node
// retrieve the type of the argument
be_type *bt = be_type::narrow_from_decl (node->field_type ());
if (!bt)
{
ACE_ERROR_RETURN ((LM_ERROR,
"be_visitor_args_pre_docall_cs::"
"visit_argument - "
"Bad argument type\n"),
-1);
}
// Different types have different mappings when used as in/out or
// inout parameters. Let this visitor deal with the type
if (bt->accept (this) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"be_visitor_args_post_docall_compiled_cs::"
"visit_argument - "
"cannot accept visitor\n"),
-1);
}
return 0;
}
int
be_visitor_args_post_invoke_cs::visit_interface (be_interface *)
{
// we must narrow the out object reference to the appropriate type
TAO_OutStream *os = this->ctx_->stream (); // get output stream
be_argument *arg = this->ctx_->be_node_as_argument (); // get the argument
// node
switch (this->direction ())
{
case AST_Argument::dir_INOUT:
{
os->indent ();
// assign the narrowed obj reference
*os << "CORBA::release (" << arg->local_name ()
<< ");\n";
}
break;
default:
break;
}
return 0;
}
int
be_visitor_args_post_invoke_cs::visit_interface_fwd (be_interface_fwd *)
{
// we must narrow the out object reference to the appropriate type
TAO_OutStream *os = this->ctx_->stream (); // get output stream
be_argument *arg = this->ctx_->be_node_as_argument (); // get the argument
// node
switch (this->direction ())
{
case AST_Argument::dir_INOUT:
{
os->indent ();
// assign the narrowed obj reference
*os << "CORBA::release (" << arg->local_name ()
<< ");\n";
}
break;
default:
break;
}
return 0;
}
#ifdef IDL_HAS_VALUETYPE
int
be_visitor_args_post_invoke_cs::visit_valuetype (be_valuetype *)
{
// we must narrow the out object reference to the appropriate type
TAO_OutStream *os = this->ctx_->stream (); // get output stream
be_argument *arg = this->ctx_->be_node_as_argument (); // get the argument
// node
switch (this->direction ())
{
case AST_Argument::dir_INOUT:
{
os->indent ();
*os << "CORBA::remove_ref (" << arg->local_name ()
<< ");\n";
}
break;
default:
break;
}
return 0;
}
int
be_visitor_args_post_invoke_cs::visit_valuetype_fwd (be_valuetype_fwd *)
{
// we must narrow the out object reference to the appropriate type
TAO_OutStream *os = this->ctx_->stream (); // get output stream
be_argument *arg = this->ctx_->be_node_as_argument (); // get the argument
// node
switch (this->direction ())
{
case AST_Argument::dir_INOUT:
{
os->indent ();
*os << "CORBA::remove_ref (" << arg->local_name ()
<< ");\n";
}
break;
default:
break;
}
return 0;
}
#endif /* IDL_HAS_VALUETYPE */
int
be_visitor_args_post_invoke_cs::visit_string (be_string *node)
{
TAO_OutStream *os = this->ctx_->stream (); // get output stream
be_argument *arg = this->ctx_->be_node_as_argument (); // get the argument
// node
switch (this->direction ())
{
case AST_Argument::dir_IN:
break;
case AST_Argument::dir_INOUT:
os->indent ();
if (node->width () == sizeof (char))
{
*os << "CORBA::string_free (" << arg->local_name ()
<< ");" << be_nl;
}
else
{
*os << "CORBA::wstring_free (" << arg->local_name ()
<< ");" << be_nl;
}
break;
case AST_Argument::dir_OUT:
break;
}
return 0;
}
int
be_visitor_args_post_invoke_cs::visit_typedef (be_typedef *node)
{
this->ctx_->alias (node);
if (node->primitive_base_type ()->accept (this) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"be_visitor_args_post_docall_compiled_cs::"
"visit_typedef - "
"accept on primitive type failed\n"),
-1);
}
this->ctx_->alias (0);
return 0;
}
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