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//
// $Id$
//
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// operation_interceptors_ch.cpp
//
// = DESCRIPTION
// Visitor generating code for Operation node in the client header.
//
// = AUTHOR
// Kirthika Parameswaran <kirthika@cs.wustl.edu>
//
// ============================================================================
#include "idl.h"
#include "idl_extern.h"
#include "be.h"
#include "be_visitor_operation.h"
ACE_RCSID(be_visitor_operation, operation_interceptors_ch, "$Id$")
// ******************************************************
// primary visitor for "operation" in client header
// ******************************************************
be_visitor_operation_interceptors_ch::be_visitor_operation_interceptors_ch (be_visitor_context *ctx)
: be_visitor_operation (ctx)
{
}
be_visitor_operation_interceptors_ch::~be_visitor_operation_interceptors_ch (void)
{
}
int
be_visitor_operation_interceptors_ch::visit_operation (be_operation *node)
{
TAO_OutStream *os; // output stream
be_type *bt; // type node
be_visitor_context ctx (*this->ctx_);
be_visitor *visitor = tao_cg->make_visitor (&ctx);
os = this->ctx_->stream ();
this->ctx_->node (node); // save the node
// Generate the ClientRequest_Info object per operation to be used by the interecptors
os->indent (); // start with the current indentation level
*os << "class TAO_ClientRequest_Info_"<< node->flat_name ()
<< " : public TAO_ClientRequest_Info" << be_nl
<< "{" << be_nl
<< "public:"<< be_idt_nl
// Need to declare the stub as a friend so that it can access the
// private members of the Request Info class.
<< "friend class ";
be_decl *parent =
be_scope::narrow_from_scope (node->defined_in ())->decl ();
*os << parent->full_name () <<";"<< be_nl;
*os << "TAO_ClientRequest_Info_"<< node->flat_name () << " (" << be_idt_nl
<< "const char * operation,"<< be_nl
<< "IOP::ServiceContextList &service_context_list," << be_nl
<< "CORBA::Object * target" << be_uidt;
// This necesary becos: (a) a comma is needed if there are arguments
// (b) not needed if exceptions enabled since thats done already (c)
// not needed if there are no args and exceptions is disabled.
os->indent ();
if (node->argument_count () > 0)
*os << ",\n";
//generate the argument list with the appropriate mapping. For these
// we grab a visitor that generates the parameter listing
ctx = *this->ctx_;
ctx.state (TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_ARGLIST_CH);
visitor = tao_cg->make_visitor (&ctx);
if (!visitor)
{
ACE_ERROR_RETURN ((LM_ERROR,
"be_visitor_operation_interceptors_ch::"
"visit_operation - "
"Bad visitor to return type\n"),
-1);
}
if (node->accept (visitor) == -1)
{
delete visitor;
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_operation_interceptors_ch::"
"visit_operation - "
"codegen for argument list failed\n"),
-1);
}
delete visitor;
os->indent ();
// Here I still need to generate the other methods + private args
*os << " virtual Dynamic::ParameterList * arguments ("<<be_idt_nl
<< "CORBA::Environment &ACE_TRY_ENV =" <<be_idt_nl
<< " TAO_default_environment ())" << be_uidt_nl
<< " ACE_THROW_SPEC ((CORBA::SystemException));"
<< be_uidt_nl << be_nl;
os->indent ();
*os << "virtual Dynamic::ExceptionList * exceptions "<<be_idt_nl
<<"(CORBA::Environment &ACE_TRY_ENV = " <<be_idt_nl
<< "TAO_default_environment ())"<< be_uidt_nl
<<"ACE_THROW_SPEC ((CORBA::SystemException));"
<< be_uidt_nl << be_nl;
os->indent ();
*os << "virtual CORBA::Any * result ( "<< be_idt_nl
<<"CORBA::Environment &ACE_TRY_ENV ="<< be_idt_nl
<< "TAO_default_environment ())"<< be_uidt_nl
<< "ACE_THROW_SPEC ((CORBA::SystemException));"
<< be_uidt_nl << be_nl;
os->indent ();
*os << be_uidt_nl << "private:" <<be_nl;
*os << "TAO_ClientRequest_Info_"<< node->flat_name ()
<< " (const "<< "TAO_ClientRequest_Info_"<< node->flat_name ()
<< " &);" << be_nl
<< "void operator= (const "
<< "TAO_ClientRequest_Info_"<< node->flat_name () << " &);"<< be_nl;
// need to generate the args as reference memebers...
//generate the member list with the appropriate mapping. For these
// we grab a visitor that generates the parameter listing and
// modify it to generate reference members.
ctx.state (TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_INFO_ARGLIST_CH);
visitor = tao_cg->make_visitor (&ctx);
if (!visitor)
{
ACE_ERROR_RETURN ((LM_ERROR,
"be_visitor_operation_interceptors_ch::"
"visit_operation - "
"Bad visitor to return type\n"),
-1);
}
if (node->accept (visitor) == -1)
{
delete visitor;
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_operation_interceptors_ch::"
"visit_operation - "
"codegen for argument list failed\n"),
-1);
}
delete visitor;
// Store the result for later use.
// generate the return type
bt = be_type::narrow_from_decl (node->return_type ());
if (!bt)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_interceptors_ch::"
"visit_operation - "
"Bad return type\n"),
-1);
}
// grab the right visitor to generate the return type if its not
// void since we cant have a private member to be of void type.
if (!this->void_return_type (bt))
{
*os << "void result (";
ctx = *this->ctx_;
ctx.state (TAO_CodeGen::TAO_OPERATION_RETTYPE_CH);
visitor = tao_cg->make_visitor (&ctx);
if (!visitor || (bt->accept (visitor) == -1))
{
delete visitor;
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_operation_cs::"
"visit_operation - "
"codegen for retval pre invoke failed\n"),
-1);
}
os->indent ();
*os << " result);" << be_uidt << be_uidt << be_uidt_nl
<< " // update the result " << be_nl;
}
// Generate the result data member
// generate the return type
bt = be_type::narrow_from_decl (node->return_type ());
if (!bt)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_interceptors_ch::"
"visit_operation - "
"Bad return type\n"),
-1);
}
// grab the right visitor to generate the return type if its not
// void since we cant have a private member to be of void type.
if (!this->void_return_type (bt))
{
ctx = *this->ctx_;
ctx.state (TAO_CodeGen::TAO_OPERATION_RETTYPE_CH);
visitor = tao_cg->make_visitor (&ctx);
if (!visitor || (bt->accept (visitor) == -1))
{
delete visitor;
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_operation_cs::"
"visit_operation - "
"codegen for retval pre invoke failed\n"),
-1);
}
os->indent ();
*os << " result_;" << be_uidt << be_uidt << be_uidt_nl;
}
os->decr_indent ();
*os << "};\n\n";
return 0;
}
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