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//=============================================================================
/**
* @file amh_ss.cpp
*
* $Id$
*
* Creates code for AMH operations.
*
* @author Darrell Brunsch <brunsch@cs.wustl.edu>
*/
//=============================================================================
#include "idl.h"
#include "idl_extern.h"
#include "be.h"
#include "be_visitor_operation.h"
be_visitor_amh_operation_ss::be_visitor_amh_operation_ss (be_visitor_context *ctx)
: be_visitor_operation (ctx)
{
}
be_visitor_amh_operation_ss::~be_visitor_amh_operation_ss (void)
{
}
int
be_visitor_amh_operation_ss::visit_operation (be_operation *node)
{
// If there is an argument of type "native", return immediately.
if (node->has_native ())
return 0;
TAO_OutStream *os = this->ctx_->stream ();
this->ctx_->node (node);
*os << "// TAO_IDL - Generated from "
<< __FILE__ << ":" << __LINE__ << be_nl;
// We need the interface node in which this operation was defined. However,
// if this operation node was an attribute node in disguise, we get this
// information from the context
be_interface *intf =
be_interface::narrow_from_scope (node->defined_in ());
if (this->ctx_->attribute () != 0)
intf = be_interface::narrow_from_scope (this->ctx_->attribute()->defined_in ());
if (intf == 0)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_operation_ss::"
"visit_operation - "
"bad interface scope\n"),
-1);
}
char *buf;
intf->compute_full_name ("AMH_", "", buf);
ACE_CString amh_skel_name ("POA_");
amh_skel_name += buf;
delete[] buf;
os->indent ();
*os << "void" << be_nl
<< amh_skel_name.c_str () << "::";
// Check if we are an attribute node in disguise
if (this->ctx_->attribute ())
{
// now check if we are a "get" or "set" operation
if (node->nmembers () == 1) // set
*os << "_set_";
else
*os << "_get_";
}
*os << node->local_name ()
<< "_skel (" << be_idt << be_idt_nl
<< "TAO_ServerRequest &_tao_server_request," << be_nl
<< "void *_tao_object_reference, " << be_nl
<< "void * /* context */ " << be_nl
<< "TAO_ENV_ARG_DECL" << be_uidt_nl
<< ")" << be_uidt_nl;
// Generate the actual code for the skeleton. However, if any of the argument
// types is "native", we do not generate any skeleton
// last argument - is always TAO_ENV_ARG_PARAMETER.
*os << "{" << be_idt_nl;
// Get the right object implementation.
*os << amh_skel_name.c_str () << " *_tao_impl =" << be_idt_nl
<< "ACE_static_cast (" << be_idt << be_idt_nl
<< amh_skel_name.c_str () << " *," << be_nl
<< "_tao_object_reference" << be_uidt << be_uidt_nl
<< ");" << be_uidt_nl;
// Declare variables for arguments.
be_visitor_context ctx = *this->ctx_;
ctx.state (TAO_CodeGen::TAO_OPERATION_ARG_DECL_SS);
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_operation_ss::"
"visit_operation - "
"codegen for return var decl failed\n"),
-1);
}
// Demarshal parameters.
if (this->demarshal_params (node) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_operation_ss::"
"visit_operation - "
"gen_demarshal_params failed\n"),
-1);
}
// Create the response handler
intf->compute_full_name ("AMH_", "ResponseHandler", buf);
ACE_CString response_handler_name (buf);
delete[] buf;
intf->compute_full_name ("TAO_AMH_", "ResponseHandler", buf);
ACE_CString response_handler_implementation_name ("POA_");
response_handler_implementation_name += buf;
delete[] buf;
*os << be_nl << response_handler_name.c_str ()
<< "_var _tao_rh =" << be_idt_nl
<< "new " << response_handler_implementation_name.c_str ()
<< " (_tao_server_request);" << be_uidt_nl;
// Make the upcall.
*os << be_nl << "_tao_impl->"
<< node->local_name () << " (_tao_rh.in ()"
<< be_idt << be_idt_nl;
// @@ Insert the IN and INOUT arguments here..
*os << "TAO_ENV_ARG_PARAMETER" << be_uidt_nl << ");\n" << be_uidt_nl;
*os << be_uidt << "}\n\n";
return 0;
}
int
be_visitor_amh_operation_ss::demarshal_params (be_operation *node)
{
TAO_OutStream *os = this->ctx_->stream ();
be_visitor *visitor;
be_visitor_context ctx;
// Now make sure that we have some in and inout parameters. Otherwise, there
// is nothing to be marshaled in.
if (this->has_param_type (node, AST_Argument::dir_IN) ||
this->has_param_type (node, AST_Argument::dir_INOUT))
{
os->indent ();
// demarshal the in and inout arguments
*os << "if (!(\n" << be_idt;
// Marshal each in and inout argument.
ctx = *this->ctx_;
ctx.state (TAO_CodeGen::TAO_OPERATION_ARG_DEMARSHAL_SS);
ctx.sub_state (TAO_CodeGen::TAO_CDR_INPUT);
visitor = tao_cg->make_visitor (&ctx);
if (!visitor || (node->accept (visitor) == -1))
{
delete visitor;
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_compiled_visitor_operation_ss::"
"gen_demarshal_params - "
"codegen for demarshal failed\n"),
-1);
}
*os << be_uidt_nl << "))\n" << be_idt;
// If marshaling fails, raise exception.
if (this->gen_raise_exception (0,
"CORBA::MARSHAL",
"",
"") == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) gen_raise_exception failed\n"),
-1);
}
*os << be_uidt << "\n";
}
return 0;
}
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