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//
// $Id$
//
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// exception_ch.cpp
//
// = DESCRIPTION
// Visitor generating code for Exception in the client header
//
// = AUTHOR
// Aniruddha Gokhale
//
// ============================================================================
#include "idl.h"
#include "idl_extern.h"
#include "be.h"
#include "be_visitor_exception.h"
ACE_RCSID(be_visitor_exception, exception_ch, "$Id$")
// ******************************************************
// for client header
// ******************************************************
be_visitor_exception_ch::be_visitor_exception_ch (be_visitor_context *ctx)
: be_visitor_exception (ctx)
{
}
be_visitor_exception_ch::~be_visitor_exception_ch (void)
{
}
// visit the Exception node and its scope
int be_visitor_exception_ch::visit_exception (be_exception *node)
{
TAO_OutStream *os; // output stream
if (!node->cli_hdr_gen () && !node->imported ()) // not already generated and
// not imported
{
os = this->ctx_->stream ();
os->gen_ifdef_macro (node->flatname (), "_ptr");
os->indent ();
*os << "class " << node->local_name () << ";" << be_nl;
// generate the _ptr declaration
*os << "typedef " << node->local_name () << " *"
<< node->local_name () << "_ptr;" << be_nl;
os->gen_endif ();
os->gen_ifdef_macro (node->flatname ());
os->indent ();
*os << "class " << idl_global->export_macro ()
<< " " << node->local_name ()
<< " : public CORBA::UserException" << be_nl;
*os << "{" << be_nl
<< "public:\n";
os->incr_indent ();
// constructors and destructor
*os << node->local_name () << " (void); // default ctor" << be_nl;
*os << node->local_name () << " (const " << node->local_name ()
<< " &); // copy ctor" << be_nl;
*os << "~" << node->local_name () << " (void); // dtor" << be_nl;
os->indent ();
// assignment operator
*os << node->local_name () << " &operator= (const "
<< node->local_name () << " &);\n\n";
*os << be_nl
<< "virtual void _raise (void);\n" << be_nl
<< "static " << node->local_name ()
<< " *_narrow (CORBA::Exception *);\n\n";
// generate constructor that takes each member as a parameter. We need a
// new state. Such a constructor exists if we have members
if (node->member_count () > 0)
{
be_visitor_context ctx (*this->ctx_);
ctx.state (TAO_CodeGen::TAO_EXCEPTION_CTOR_CH);
be_visitor *visitor = tao_cg->make_visitor (&ctx);
if (!visitor || (node->accept (visitor) == -1))
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_exception::"
"visit_exception - "
"codegen for ctor failed\n"), -1);
}
delete visitor;
}
// generate code for field members
if (this->visit_scope (node) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_exception_ch::"
"visit_exception - "
"codegen for scope failed\n"), -1);
}
*os << be_nl
<< "// = TAO extension" << be_nl
<< "static CORBA::Exception *_alloc (void);\n" << be_uidt_nl
<< "}; // exception " << node->name ()
<< "\n" << be_nl;
// by using a visitor to declare and define the TypeCode, we have the
// added advantage to conditionally not generate any code. This will be
// based on the command line options. This is still TO-DO
be_visitor *visitor;
be_visitor_context ctx (*this->ctx_);
ctx.state (TAO_CodeGen::TAO_TYPECODE_DECL);
visitor = tao_cg->make_visitor (&ctx);
if (!visitor || (node->accept (visitor) == -1))
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_exception_ch::"
"visit_exception - "
"TypeCode declaration failed\n"
), -1);
}
os->gen_endif ();
node->cli_hdr_gen (1);
}
return 0;
}
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