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//
// $Id$
//
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// exception_cs.cpp
//
// = DESCRIPTION
// Visitor generating code for Exception in the stubs file
//
// = AUTHOR
// Aniruddha Gokhale
//
// ============================================================================
#include "idl.h"
#include "idl_extern.h"
#include "be.h"
#include "be_visitor_exception.h"
ACE_RCSID(be_visitor_exception, exception_cs, "$Id$")
// ***************************************************************************
// for client stubs
// ***************************************************************************
be_visitor_exception_cs::be_visitor_exception_cs (be_visitor_context *ctx)
: be_visitor_exception (ctx)
{
}
be_visitor_exception_cs::~be_visitor_exception_cs (void)
{
}
// visit the Exception_Cs node and its scope
int be_visitor_exception_cs::visit_exception (be_exception *node)
{
TAO_OutStream *os; // output stream
if (!node->cli_stub_gen () && !node->imported ())
{
os = this->ctx_->stream ();
// default constructor
os->indent ();
*os << "// default constructor" << be_nl;
*os << node->name () << "::" << node->local_name () << " (void)" << be_nl;
*os << " : CORBA_UserException ("
<< node->tc_name () << ")\n";
*os << "{" << be_nl;
*os << "}\n\n";
// destructor
os->indent ();
*os << "// destructor - all members are of self managing types" << be_nl;
*os << node->name () << "::~" << node->local_name () << " (void)" << be_nl;
*os << "{" << be_nl;
*os << "}\n\n";
// copy constructor
os->indent ();
*os << "// copy constructor" << be_nl;
*os << node->name () << "::" << node->local_name () << " (const " <<
node->name () << " &_tao_excp)" << be_nl;
*os << " : CORBA_UserException (" <<
"_tao_excp._type ())" << be_nl;
*os << "{\n";
os->incr_indent ();
// assign each individual member
be_visitor_context ctx (*this->ctx_);
ctx.state (TAO_CodeGen::TAO_EXCEPTION_CTOR_ASSIGN_CS);
be_visitor *visitor = tao_cg->make_visitor (&ctx);
if (!visitor || (node->accept (visitor) == -1))
{
delete visitor;
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_exception_cs::"
"visit_exception -"
"codegen for scope failed\n"), -1);
}
delete visitor;
os->decr_indent ();
*os << "}\n\n";
// assignment operator
os->indent ();
*os << "// assignment operator" << be_nl;
*os << node->name () << "&" << be_nl;
*os << node->name () << "::operator= (const "
<< node->name () << " &_tao_excp)" << be_nl
<< "{\n" << be_idt_nl
<< "this->CORBA_UserException::operator= "
<< "(_tao_excp);\n";
// assign each individual member
ctx = *this->ctx_;
ctx.state (TAO_CodeGen::TAO_EXCEPTION_CTOR_ASSIGN_CS);
visitor = tao_cg->make_visitor (&ctx);
if (!visitor || (node->accept (visitor) == -1))
{
delete visitor;
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_exception_cs::"
"visit_exception -"
"codegen for scope failed\n"), -1);
}
delete visitor;
os->indent ();
*os << "return *this;" << be_uidt_nl
<< "}\n\n";
// narrow method
os->indent ();
*os << "// narrow" << be_nl;
*os << node->name () << "_ptr " << be_nl;
*os << node->name () << "::_narrow (CORBA::Exception *exc)" << be_nl;
*os << "{\n";
os->incr_indent ();
*os << "if (!ACE_OS::strcmp (\"" << node->repoID () <<
"\", exc->_id ())) // same type" << be_nl;
*os << " return ACE_dynamic_cast (" << node->name () << "_ptr, exc);" <<
be_nl;
*os << "else" << be_nl;
*os << " return 0;\n";
os->decr_indent ();
*os << "}\n\n";
*os << be_nl
<< "void " << node->name () << "::_raise ()" << be_nl
<< "{" << be_idt_nl
<< "TAO_RAISE(*this);" << be_uidt_nl
<< "}\n\n";
// generate the _alloc method
os->indent ();
*os << "// TAO extension - the _alloc method" << be_nl;
*os << "CORBA::Exception *" << node->name ()
<< "::_alloc (void)" << be_nl;
*os << "{" << be_idt_nl;
*os << "return new " << node->name () << ";" << be_uidt_nl;
*os << "}\n\n";
// constructor taking all members. It exists only if there are any
// members
if (node->member_count () > 0)
{
// generate the signature
ctx = *this->ctx_;
ctx.state (TAO_CodeGen::TAO_EXCEPTION_CTOR_CS);
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;
*os << " : CORBA_UserException "
<< " (CORBA::TypeCode::_duplicate (" << node->tc_name ()
<< "))" << be_nl;
*os << "{\n";
os->incr_indent ();
// assign each individual member. We need yet another state
ctx = *this->ctx_;
ctx.state (TAO_CodeGen::TAO_EXCEPTION_CTOR_ASSIGN_CS);
ctx.exception (1); // indicate that the special ctor is being
// generated
visitor = tao_cg->make_visitor (&ctx);
if (!visitor || (node->accept (visitor) == -1))
{
delete visitor;
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_exception_cs::"
"visit_exception -"
"codegen for scope failed\n"), -1);
}
delete visitor;
os->decr_indent ();
*os << "}\n\n";
}
// 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
ctx = *this->ctx_;
ctx.state (TAO_CodeGen::TAO_TYPECODE_DEFN);
visitor = tao_cg->make_visitor (&ctx);
if (!visitor || (node->accept (visitor) == -1))
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_exception_cs::"
"visit_exception - "
"TypeCode definition failed\n"
), -1);
}
node->cli_stub_gen (I_TRUE);
}
return 0;
}
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