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//
// $Id$
//
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// argument_marshal.cpp
//
// = DESCRIPTION
// Visitor to pass arguments to the CDR operators. This one helps in
// generating the && and the , at the right place. This one is for the
// skeleton side.
//
// = AUTHOR
// Aniruddha Gokhale
//
// ============================================================================
#include "idl.h"
#include "idl_extern.h"
#include "be.h"
#include "be_visitor_operation.h"
ACE_RCSID(be_visitor_operation, argument_marshal, "$Id$")
// ************************************************************
// operation visitor to handle the passing of arguments to the CDR operators
// ************************************************************
be_compiled_visitor_operation_argument_marshal::
be_compiled_visitor_operation_argument_marshal (be_visitor_context
*ctx)
: be_visitor_operation_argument (ctx),
last_arg_printed_ (be_compiled_visitor_operation_argument_marshal::TAO_ARG_NONE)
{
}
be_compiled_visitor_operation_argument_marshal::
~be_compiled_visitor_operation_argument_marshal (void)
{
}
int
be_compiled_visitor_operation_argument_marshal::pre_process (be_decl *bd)
{
TAO_OutStream *os = this->ctx_->stream ();
be_argument *arg = be_argument::narrow_from_decl (bd);
if (!arg)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) "
"be_compiled_visitor_operation_argument_marshal"
"::post_process - "
"Bad argument node\n"),
-1);
}
switch (arg->direction ())
{
case AST_Argument::dir_IN:
if (this->ctx_->sub_state () == TAO_CodeGen::TAO_CDR_INPUT)
{
if (this->last_arg_printed_ !=
be_compiled_visitor_operation_argument_marshal::TAO_ARG_NONE)
*os << " &&\n";
}
else if (this->ctx_->sub_state () == TAO_CodeGen::TAO_CDR_OUTPUT)
{
// nothing
}
break;
case AST_Argument::dir_INOUT:
if (this->ctx_->sub_state () == TAO_CodeGen::TAO_CDR_INPUT)
{
if (this->last_arg_printed_ !=
be_compiled_visitor_operation_argument_marshal::TAO_ARG_NONE)
*os << " &&\n";
}
else if (this->ctx_->sub_state () == TAO_CodeGen::TAO_CDR_OUTPUT)
{
if (this->last_arg_printed_ !=
be_compiled_visitor_operation_argument_marshal::TAO_ARG_NONE)
*os << " &&\n";
}
break;
case AST_Argument::dir_OUT:
if (this->ctx_->sub_state () == TAO_CodeGen::TAO_CDR_INPUT)
{
// nothing
}
else if (this->ctx_->sub_state () == TAO_CodeGen::TAO_CDR_OUTPUT)
{
if (this->last_arg_printed_ !=
be_compiled_visitor_operation_argument_marshal::TAO_ARG_NONE)
*os << " &&\n";
}
break;
}
return 0;
}
int
be_compiled_visitor_operation_argument_marshal::post_process (be_decl *bd)
{
be_argument *arg = be_argument::narrow_from_decl (bd);
if (!arg)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) "
"be_compiled_visitor_operation_argument_marshal"
"::post_process - "
"Bad argument node\n"),
-1);
}
switch (this->ctx_->sub_state ())
{
case TAO_CodeGen::TAO_CDR_INPUT:
switch (arg->direction ())
{
case AST_Argument::dir_IN:
// only these arguments get printed
this->last_arg_printed_ =
be_compiled_visitor_operation_argument_marshal::TAO_ARG_IN;
break;
case AST_Argument::dir_INOUT:
// only these arguments get printed
this->last_arg_printed_ =
be_compiled_visitor_operation_argument_marshal::TAO_ARG_INOUT;
break;
case AST_Argument::dir_OUT:
// these arguments don't get printed for the << operator on the stub
break;
}
break;
case TAO_CodeGen::TAO_CDR_OUTPUT:
switch (arg->direction ())
{
case AST_Argument::dir_IN:
// these arguments don't get printed for the >> on the stub
break;
case AST_Argument::dir_INOUT:
// only these arguments get printed
this->last_arg_printed_ =
be_compiled_visitor_operation_argument_marshal::TAO_ARG_INOUT;
break;
case AST_Argument::dir_OUT:
// only these arguments get printed
this->last_arg_printed_ =
be_compiled_visitor_operation_argument_marshal::TAO_ARG_OUT;
break;
}
break;
default:
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) "
"be_compiled_visitor_operation_argument_marshal"
"::post_process - "
"Bad sub state\n"),
-1);
}
return 0;
}
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