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//=============================================================================
/**
* @file argument.cpp
*
* $Id$
*
* generic visitor for Argument node
*
*
* @author Aniruddha Gokhale
*/
//=============================================================================
be_visitor_args::be_visitor_args (be_visitor_context *ctx)
: be_visitor_decl (ctx),
fixed_direction_ (-1)
{
}
be_visitor_args::~be_visitor_args (void)
{
}
int be_visitor_args::visit_argument (be_argument *)
{
return -1;
}
// Helper that returns the type name either as a nested type name (for header
// files) or as a fully scoped name. In addition, we make sure that if the type
// is an alias, we use that name.
const char *
be_visitor_args::type_name (be_type *node,
const char *suffix)
{
static char namebuf [NAMEBUFSIZE];
ACE_OS::memset (namebuf,
'\0',
NAMEBUFSIZE);
be_type *bt = 0;
// Use the typedefed name if that is the one
// used in the IDL defn.
if (this->ctx_->alias ())
{
bt = this->ctx_->alias ();
}
else
{
bt = node;
}
ACE_OS::sprintf (namebuf,
"::%s",
bt->full_name ());
if (suffix)
{
ACE_OS::strcat (namebuf,
suffix);
}
return namebuf;
}
// Helper that returns the direction type of the argument
AST_Argument::Direction
be_visitor_args::direction (void)
{
if (this->fixed_direction_ != -1)
{
return AST_Argument::Direction (this->fixed_direction_);
}
// Grab the argument node. We know that our context has stored the right
// argument node.
be_argument *arg =
be_argument::narrow_from_decl (this->ctx_->node ());
return arg->direction ();
}
void
be_visitor_args::set_fixed_direction (AST_Argument::Direction direction)
{
this->fixed_direction_ = direction;
}
int
be_visitor_args::gen_pd_arg (be_predefined_type *node,
bool for_stub)
{
TAO_CodeGen::CG_SUB_STATE ss = this->ctx_->sub_state ();
AST_Argument::Direction d = this->direction ();
bool in_arg = (d == AST_Argument::dir_IN);
bool out_arg = (d == AST_Argument::dir_OUT);
bool out_stream = (ss == TAO_CodeGen::TAO_CDR_OUTPUT);
bool in_stream = (ss == TAO_CodeGen::TAO_CDR_INPUT);
bool skip = (in_arg && for_stub && in_stream)
|| (in_arg && !for_stub && out_stream)
|| (out_arg && for_stub && out_stream)
|| (out_arg && !for_stub && in_stream);
if (skip)
{
return 0;
}
TAO_OutStream *os = this->ctx_->stream ();
const char *var_call = "";
const char *any_deref = "";
AST_PredefinedType::PredefinedType pt = node->pt ();
bool is_any = (pt == AST_PredefinedType::PT_any);
if (for_stub)
{
if (in_stream && out_arg)
{
var_call = ".ptr ()";
any_deref = "*";
}
}
else if (out_stream)
{
var_call = ".in ()";
if (is_any && !out_arg)
{
var_call = "";
}
}
else if (!is_any)
{
var_call = ".out ()";
}
ACE_CString to_from_str = (in_stream
? "::ACE_InputCDR::to_"
: "::ACE_OutputCDR::from_");
const char *to_from = to_from_str.c_str ();
be_argument *arg =
be_argument::narrow_from_decl (this->ctx_->node ());
const char *lname = arg->local_name ()->get_string ();
switch (pt)
{
case AST_PredefinedType::PT_any:
*os << any_deref; // No break.
case AST_PredefinedType::PT_pseudo:
case AST_PredefinedType::PT_object:
*os << lname << var_call;
break;
case AST_PredefinedType::PT_char:
*os << to_from << "char (" << lname << ")";
break;
case AST_PredefinedType::PT_wchar:
*os << to_from << "wchar (" << lname << ")";
break;
case AST_PredefinedType::PT_boolean:
*os << to_from << "boolean (" << lname << ")";
break;
case AST_PredefinedType::PT_octet:
*os << to_from << "octet (" << lname << ")";
break;
default:
*os << lname;
break;
}
return 0;
}
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