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//
// $Id$
//
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// cdr_op_cs.cpp
//
// = DESCRIPTION
// Visitor generating code for CDR operators for interfaces
//
// = AUTHOR
// Aniruddha Gokhale
//
// ============================================================================
ACE_RCSID (be_visitor_interface,
cdr_op_cs,
"$Id$")
be_visitor_interface_cdr_op_cs::be_visitor_interface_cdr_op_cs (
be_visitor_context *ctx
)
: be_visitor_interface (ctx)
{
}
be_visitor_interface_cdr_op_cs::~be_visitor_interface_cdr_op_cs (void)
{
}
int
be_visitor_interface_cdr_op_cs::visit_interface (be_interface *node)
{
// No CDR operations for local interfaces.
// already generated and/or we are imported. Don't do anything.
if (node->cli_stub_cdr_op_gen ()
|| node->imported ()
|| node->is_local ())
{
return 0;
}
// Set the substate as generating code for the types defined in our scope.
this->ctx_->sub_state(TAO_CodeGen::TAO_CDR_SCOPE);
// Visit the scope and generate code.
if (this->visit_scope (node) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_interface_cdr_op_cs::"
"visit_interface - "
"codegen for scope failed\n"), -1);
}
TAO_OutStream *os = this->ctx_->stream ();
// Set the sub state as generating code for the output operator.
this->ctx_->sub_state(TAO_CodeGen::TAO_CDR_OUTPUT);
*os << "CORBA::Boolean operator<< (" << be_idt << be_idt_nl
<< "TAO_OutputCDR &strm," << be_nl
<< "const " << node->full_name () << "_ptr _tao_objref" << be_uidt_nl
<< ")" << be_uidt_nl
<< "{" << be_idt_nl;
*os << "CORBA::Object_ptr _tao_corba_obj = _tao_objref;" << be_nl;
*os << "return (strm << _tao_corba_obj);" << be_uidt_nl
<< "}\n\n";
// Set the substate as generating code for the input operator.
this->ctx_->sub_state(TAO_CodeGen::TAO_CDR_INPUT);
*os << "CORBA::Boolean operator>> (" << be_idt << be_idt_nl
<< "TAO_InputCDR &strm," << be_nl
<< node->full_name () << "_ptr &_tao_objref" << be_uidt_nl
<< ")" << be_uidt_nl
<< "{" << be_idt_nl;
*os << "ACE_TRY_NEW_ENV" << be_nl
<< "{" << be_idt_nl;
*os << "CORBA::Object_var obj;" << be_nl;
*os << "if ((strm >> obj.inout ()) == 0)" << be_idt_nl
<< "return 0;" << be_uidt_nl
<< "// narrow to the right type" << be_nl;
*os << "_tao_objref =" << be_idt_nl
<< node->full_name () << "::_unchecked_narrow ("
<< be_idt << be_idt_nl
<< "obj.in ()" << be_nl
<< "ACE_ENV_ARG_PARAMETER" << be_uidt_nl
<< ");" << be_uidt << be_uidt_nl;
*os << "ACE_TRY_CHECK;" << be_nl;
*os << "return 1;" << be_uidt_nl;
*os << "}" << be_nl
<< "ACE_CATCHANY" << be_nl
<< "{" << be_idt_nl
<< "// do nothing" << be_uidt_nl
<< "}" << be_nl
<< "ACE_ENDTRY;" << be_nl
<< "return 0;" << be_uidt_nl;
*os << "}\n\n";
node->cli_stub_cdr_op_gen (1);
return 0;
}
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