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//
// $Id$
//
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// any_op_cs.cpp
//
// = DESCRIPTION
// Visitor generating code for Any operators for structures
//
// = AUTHOR
// Aniruddha Gokhale
//
// ============================================================================
#include "idl.h"
#include "idl_extern.h"
#include "be.h"
#include "be_visitor_structure.h"
ACE_RCSID(be_visitor_structure, any_op_cs, "$Id$")
// ***************************************************************************
// Structure visitor for generating Any operator declarations in the client
// stubs file
// ***************************************************************************
be_visitor_structure_any_op_cs::be_visitor_structure_any_op_cs
(be_visitor_context *ctx)
: be_visitor_structure (ctx)
{
}
be_visitor_structure_any_op_cs::~be_visitor_structure_any_op_cs (void)
{
}
int
be_visitor_structure_any_op_cs::visit_structure (be_structure *node)
{
if (node->cli_stub_any_op_gen () || node->imported ())
return 0;
TAO_OutStream *os = tao_cg->client_stubs ();
// generate the Any <<= and >>= operator declarations
// Any <<= and >>= operators
os->indent ();
*os << "void operator<<= (CORBA::Any &_tao_any, const "
<< node->name () << " &_tao_elem) // copying" << be_nl
<< "{" << be_idt_nl
<< "CORBA::Environment _tao_env;" << be_nl
<< "_tao_any.replace (" << node->tc_name () << ", new "
<< node->name () << "(_tao_elem), 1, _tao_env);"
<< " // copy the value" << be_uidt_nl
<< "}\n" << be_nl;
*os << "void operator<<= (CORBA::Any &_tao_any, "
<< node->name () << " *_tao_elem) // non copying" << be_nl
<< "{" << be_idt_nl
<< "CORBA::Environment _tao_env;" << be_nl
<< "_tao_any.replace (" << node->tc_name () << ", "
<< "_tao_elem, 1, _tao_env); // consume it" << be_uidt_nl
<< "}\n" << be_nl;
*os << "CORBA::Boolean operator>>= (const CORBA::Any &_tao_any, "
<< node->name () << " *&_tao_elem)" << be_nl
<< "{" << be_idt_nl
<< "CORBA::Environment _tao_env;" << be_nl
<< "CORBA::TypeCode_var type = _tao_any.type ();" << be_nl
<< "if (!type->equal (" << node->tc_name ()
<< ", _tao_env)) return 0; // not equal" << be_nl
<< "if (_tao_any.any_owns_data ())" << be_nl
<< "{" << be_idt_nl
<< "ACE_NEW_RETURN (_tao_elem, " << node->name () << ", 0);"
<< be_nl
<< "TAO_InputCDR stream ((ACE_Message_Block *)_tao_any.value ());"
<< be_nl
<< "if (stream.decode (" << node->tc_name ()
<< ", _tao_elem, 0, _tao_env)" << be_nl
<< " == CORBA::TypeCode::TRAVERSE_CONTINUE)" << be_nl
<< "{" << be_idt_nl
<< "((CORBA::Any *)&_tao_any)->replace ("
<< node->tc_name () << ", _tao_elem, 1, _tao_env);" << be_nl
<< " return 1;" << be_uidt_nl
<< "}" << be_nl
<< "else" << be_nl // decode failed
<< "{" << be_idt_nl
<< "delete _tao_elem;" << be_nl
<< "return 0;" << be_uidt_nl
<< "}" << be_uidt_nl
<< "}" << be_nl
<< "else" << be_nl // else any does not own the data
<< "{" << be_idt_nl
<< "_tao_elem = (" << node->name () << " *)_tao_any.value ();"
<< be_nl
<< "return 1;" << be_uidt_nl
<< "}" << be_uidt_nl
<< "}\n\n";
// all we have to do is to visit the scope and generate code
if (this->visit_scope (node) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_structure::visit_structure - "
"codegen for scope failed\n"), -1);
}
node->cli_stub_any_op_gen (1);
return 0;
}
int
be_visitor_structure_any_op_cs::visit_field (be_field *node)
{
be_type *bt; // field's type
// first generate the type information
bt = be_type::narrow_from_decl (node->field_type ());
if (!bt)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_structure_any_op_cs::"
"visit_field - "
"Bad field type\n"
), -1);
}
if (bt->accept (this) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_structure_any_op_cs::"
"visit_field - "
"codegen for field type failed\n"
), -1);
}
return 0;
}
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