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//
// $Id$
//
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// ami_handler_stub_ch.cpp
//
// = DESCRIPTION
// Visitor generating default stub class for the AMI Handler in the
// client header.
//
// = AUTHOR
// Aniruddha Gokhale and Alexander Babu Arulanthu
// <alex@cs.wustl.edu>
//
// ============================================================================
#include "idl.h"
#include "idl_extern.h"
#include "be.h"
#include "be_visitor_interface.h"
// ******************************************************
// Interface visitor for client header
// ******************************************************
be_visitor_interface_ami_handler_stub_ch::be_visitor_interface_ami_handler_stub_ch (be_visitor_context *ctx)
: be_visitor_interface (ctx)
{
}
be_visitor_interface_ami_handler_stub_ch::~be_visitor_interface_ami_handler_stub_ch (void)
{
}
int
be_visitor_interface_ami_handler_stub_ch::visit_interface (be_interface *node)
{
TAO_OutStream *os; // output stream
// Not already generated and not imported.
if (!node->cli_hdr_gen () && !node->imported ())
{
// Grab the stream.
os = this->ctx_->stream ();
// Ifdef guard.
// Generate AMI_...name..._Handler string.
char *ifdef_string = 0;
ACE_NEW_RETURN (ifdef_string,
char [ACE_OS::strlen ("AMI_") +
ACE_OS::strlen (node->flatname ()) +
ACE_OS::strlen ("_Handler") +
// end of string
1],
0);
ACE_OS::sprintf (ifdef_string,
"AMI_%s_Handler",
node->flatname ());
os->gen_ifdef_macro (ifdef_string);
// Prepare the local name for the class.
char *local_name = 0;
ACE_NEW_RETURN (local_name,
char [ACE_OS::strlen ("AMI_") +
ACE_OS::strlen (node->local_name ()->get_string ()) +
ACE_OS::strlen ("_Handler") +
// end of string
1],
0);
ACE_OS::sprintf (local_name,
"AMI_%s_Handler",
node->local_name ()->get_string ());
// Now generate the class definition.
os->indent ();
*os << "class " << idl_global->export_macro () << " "
<< local_name;
// Node interface inherits from the Messaging::ReplyHandler
// interface.
*os << " : public virtual Messaging::ReplyHandler" << be_nl;
// Generate the body.
*os << "{" << be_nl
<< "public:" << be_nl
// generate the _ptr_type and _var_type typedefs
// but we must protect against certain versions of g++
<< "#if !defined(__GNUC__) || __GNUC__ > 2 || __GNUC_MINOR__ >= 8"
<< be_idt_nl
<< "typedef " << local_name << "_ptr _ptr_type;" << be_nl
<< "typedef " << local_name << "_var _var_type;" << be_uidt_nl
<< "#endif /* __GNUC__ */\n" << be_idt_nl
// generate the static _duplicate, _narrow, and _nil operations
<< "// the static operations" << be_nl
<< "static " << local_name << "_ptr " << "_duplicate ("
<< local_name << "_ptr obj);" << be_nl
<< "static " << local_name << "_ptr "
<< "_narrow (" << be_idt << be_idt_nl
<< "CORBA::Object_ptr obj," << be_nl
<< "CORBA::Environment &env = " << be_idt_nl
<< "TAO_default_environment ()"
<< be_uidt << be_uidt_nl
<< ");" << be_uidt_nl
<< "static " << local_name << "_ptr "
<< "_unchecked_narrow (" << be_idt << be_idt_nl
<< "CORBA::Object_ptr obj," << be_nl
<< "CORBA::Environment &env = " << be_idt_nl
<< "TAO_default_environment ()"
<< be_uidt << be_uidt_nl
<< ");" << be_uidt_nl
<< "static " << local_name << "_ptr " << "_nil (void);\n\n";
// Visit the scope to generate the stubs for the call back
// methods.
if (this->visit_scope (node) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_interface_ami_handler_stub_ch::"
"visit_interface - "
"codegen for scope failed\n"),
-1);
}
// the _is_a method
os->indent ();
*os << "virtual CORBA::Boolean _is_a (" << be_idt << be_idt_nl
<< "const CORBA::Char *type_id, " << be_nl
<< "CORBA::Environment &env = " << be_idt_nl
<< "TAO_default_environment ()"
<< be_uidt << be_uidt_nl
<< ");" << be_uidt_nl
<< "virtual const char* "
<< "_interface_repository_id (void) const;\n" << be_uidt_nl;
// generate the "protected" constructor so that users cannot instantiate
// us
*os << "protected:" << be_idt_nl
<< local_name << " (void);" << be_nl
<< local_name
<< " (TAO_Stub *objref, " << be_idt << be_idt_nl
<< "TAO_ServantBase *_tao_servant = 0, " << be_nl
<< "CORBA::Boolean _tao_collocated = 0" << be_uidt_nl
<< ");" << be_uidt_nl
<< "virtual ~" << local_name << " (void);" << be_uidt_nl;
// private copy constructor and assignment operator. These are not
// allowed, hence they are private.
*os << "private:\n";
os->incr_indent ();
*os << local_name << " (const " << local_name << " &);"
<< be_nl
<< "void operator= (const " << local_name << " &);\n";
os->decr_indent ();
*os << "};\n\n";
os->gen_endif ();
// 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_AMI_HANDLER_TYPECODE_DECL);
visitor = tao_cg->make_visitor (&ctx);
if (!visitor || (node->accept (visitor) == -1))
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_interface_ami_handler_stub_ch::"
"visit_interface - "
"TypeCode declaration failed\n"),
-1);
}
// Delete the heap allocated vars.
delete ifdef_string;
ifdef_string = 0;
delete local_name;
local_name = 0;
}
return 0;
}
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