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//
// $Id$
//
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// operation_smart_proxy_cs.cpp
//
// = DESCRIPTION
// Visitor generating code for Operation in the stubs file.
//
// = AUTHOR
// Kirthika Parameswaran <kirthika@cs.wustl.edu>
//
// ============================================================================
ACE_RCSID (be_visitor_operation,
operation_smart_proxy_cs,
"$Id$")
// ************************************************************
// Operation visitor for client stubs
// ************************************************************
be_visitor_operation_smart_proxy_cs::be_visitor_operation_smart_proxy_cs (
be_visitor_context *ctx
)
: be_visitor_operation (ctx)
{
}
be_visitor_operation_smart_proxy_cs::~be_visitor_operation_smart_proxy_cs (
void
)
{
}
int be_visitor_operation_smart_proxy_cs::visit_operation (be_operation *node)
{
if (be_global->gen_smart_proxies ())
{
TAO_OutStream *os = this->ctx_->stream ();
// We need the interface node in which this operation was defined. However,
// if this operation node was an attribute node in disguise, we get this
// information from the context.
be_interface *intf = this->ctx_->attribute ()
? be_interface::narrow_from_scope (this->ctx_->attribute ()->defined_in ())
: be_interface::narrow_from_scope (node->defined_in ());
if (!intf)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_operation_smart_proxy_cs::"
"visit_operation - "
"bad interface scope\n"),
-1);
}
be_type *bt = be_type::narrow_from_decl (node->return_type ());
if (!bt)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_operation_smart_proxy_cs::"
"visit_operation - "
"Bad return type\n"),
-1);
}
// STEP 2: generate the return type mapping (same as in the header file).
be_visitor_context ctx (*this->ctx_);
be_visitor_operation_rettype oro_visitor (&ctx);
if (bt->accept (&oro_visitor) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_operation_smart_proxy_cs::"
"visit_operation - "
"codegen for return type failed\n"),
-1);
}
// Its necessary to take care of the nested case. The smart proxy classes
// are in the same scope as the proxy (i.e. interface) but here the
// node (i.e the operation) is already in a scope lower than intf
// (i.e. be_interface), so for deciding the exact scope use intf.
be_decl* scope = be_scope::narrow_from_scope (intf->defined_in ())->decl ();
*os << " ";
*os << scope->full_name ();
// Only if there exists any nesting "::" is needed!
if (intf->is_nested ())
*os << "::";
*os << "TAO_" << intf->flat_name () <<"_Smart_Proxy_Base::";
*os << node->local_name () << " ";
// STEP 4: generate the argument list with the appropriate mapping (same as
// in the header file)
ctx = *this->ctx_;
be_visitor_operation_arglist oao_visitor (&ctx);
if (node->accept (&oao_visitor) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_operation_ss::"
"visit_operation - "
"codegen for argument list failed\n"),
-1);
}
*os << "{" << be_idt << "\n";
os->indent ();
// Simply make the call and leave everything to the layer
// above, i.e. the client code.
if (!this->void_return_type (bt))
{
*os << "return ";
}
*os << "this->get_proxy ()";
if (this->gen_invoke (ctx, node) == -1)
return -1;
*os << be_uidt_nl
<< "}\n\n";
}
else
{
ACE_UNUSED_ARG (node);
}
return 0;
}
int be_visitor_operation_smart_proxy_cs::gen_invoke (be_visitor_context &ctx,
be_operation *node)
{
TAO_OutStream *os = this->ctx_->stream ();
*os << "->" << node->local_name () << " ("
<< be_idt << be_idt << "\n";
ctx = *this->ctx_;
ctx.state (TAO_CodeGen::TAO_OPERATION_COLLOCATED_ARG_UPCALL_SS);
be_visitor_operation_argument visitor (&ctx);
if (node->accept (&visitor) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_operation_smart_proxy_cs::"
"gen_invoke - "
"codegen for making upcall failed\n"),
-1);
}
*os << be_uidt_nl
<< ");\n" << be_uidt;
return 0;
}
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