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//
// $Id$
//
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// argument.cpp
//
// = DESCRIPTION
// Visitor that calls the visitor for arguments.
//
// = AUTHOR
// Aniruddha Gokhale
//
// ============================================================================
#include "idl.h"
#include "idl_extern.h"
#include "be.h"
#include "be_visitor_operation.h"
ACE_RCSID(be_visitor_operation, argument, "$Id$")
// ************************************************************
// generic operation visitor to handle the pre/post
// do_static_call/upcall stuff with arguments
// ************************************************************
be_visitor_operation_argument::
be_visitor_operation_argument (be_visitor_context
*ctx)
: be_visitor_operation (ctx)
{
}
be_visitor_operation_argument::~be_visitor_operation_argument (void)
{
}
int
be_visitor_operation_argument::post_process (be_decl *bd)
{
TAO_OutStream *os = this->ctx_->stream ();
// if we are not the last parameter, we insert a comma. This is only
// applicable for the upcalls or the call to (de)marshal that we use in the
// interpreted marshaling.
if (!this->last_node (bd))
{
switch (this->ctx_->state ())
{
case TAO_CodeGen::TAO_OPERATION_ARG_UPCALL_SS:
case TAO_CodeGen::TAO_AMI_HANDLER_OPERATION_ARG_UPCALL_CS:
case TAO_CodeGen::TAO_OPERATION_COLLOCATED_ARG_UPCALL_SS:
case TAO_CodeGen::TAO_OPERATION_ARG_DEMARSHAL_SS:
case TAO_CodeGen::TAO_OPERATION_ARG_MARSHAL_SS:
*os << "," << be_nl;
break;
default:
break;
}
}
return 0;
}
int
be_visitor_operation_argument::visit_operation (be_operation *node)
{
TAO_OutStream *os = this->ctx_->stream ();
// all we do is hand over code generation to our scope
if (this->visit_scope (node) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_operation_argument::"
"visit_operation - "
"codegen for scope failed\n"),
-1);
}
// if we are supporting the alternate mapping, we must pass the
// CORBA::Environment parameter as the last parameter
if (!idl_global->exception_support ())
{
switch (this->ctx_->state ())
{
case TAO_CodeGen::TAO_OPERATION_ARG_UPCALL_SS:
case TAO_CodeGen::TAO_AMI_HANDLER_OPERATION_ARG_UPCALL_CS:
case TAO_CodeGen::TAO_OPERATION_COLLOCATED_ARG_UPCALL_SS:
// applicable only to these cases where the actual upcall is made
// last argument is the environment
if (node->argument_count () > 0)
// insert a comma only if there were previous parameters
*os << ",\n";
os->indent ();
*os << "ACE_TRY_ENV";
break;
default:
break;
}
}
return 0;
}
int
be_visitor_operation_argument::visit_argument (be_argument *node)
{
// get the visitor that will dump the argument's mapping in the operation
// signature.
be_visitor_context ctx (*this->ctx_);
// first grab the interface definition inside which this operation is
// defined. We need this since argument types may very well be declared
// inside the scope of the interface node. In such cases, we would like to
// generate the appropriate relative scoped names.
be_operation *op = this->ctx_->be_scope_as_operation ();
if (!op)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_arglist::"
"visit_argument - "
"Bad operation\n"),
-1);
}
// 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;
intf = this->ctx_->attribute ()
? be_interface::narrow_from_scope (this->ctx_->attribute ()->defined_in ())
: be_interface::narrow_from_scope (op->defined_in ());
if (!intf)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_arglist::"
"visit_argument - "
"Bad interface\n"),
-1);
}
ctx.scope (intf); // set new scope
switch (this->ctx_->state ())
{
case TAO_CodeGen::TAO_OPERATION_ARG_PRE_INVOKE_CS:
ctx.state (TAO_CodeGen::TAO_ARGUMENT_PRE_INVOKE_CS);
break;
case TAO_CodeGen::TAO_OPERATION_ARG_INVOKE_CS:
ctx.state (TAO_CodeGen::TAO_ARGUMENT_INVOKE_CS);
break;
case TAO_CodeGen::TAO_AMI_OPERATION_ARG_INVOKE_CS:
ctx.state (TAO_CodeGen::TAO_AMI_ARGUMENT_INVOKE_CS);
break;
case TAO_CodeGen::TAO_AMI_HANDLER_OPERATION_ARG_INVOKE_CS:
ctx.state (TAO_CodeGen::TAO_AMI_HANDLER_ARGUMENT_INVOKE_CS);
break;
case TAO_CodeGen::TAO_OPERATION_ARG_POST_INVOKE_CS:
ctx.state (TAO_CodeGen::TAO_ARGUMENT_POST_INVOKE_CS);
break;
case TAO_CodeGen::TAO_OPERATION_ARG_DECL_SS:
ctx.state (TAO_CodeGen::TAO_ARGUMENT_VARDECL_SS);
break;
case TAO_CodeGen::TAO_AMI_HANDLER_OPERATION_ARG_DECL_CS:
ctx.state (TAO_CodeGen::TAO_AMI_HANDLER_ARGUMENT_VARDECL_CS);
break;
case TAO_CodeGen::TAO_OPERATION_ARG_DEMARSHAL_SS:
ctx.state (TAO_CodeGen::TAO_ARGUMENT_DEMARSHAL_SS);
break;
case TAO_CodeGen::TAO_OPERATION_ARG_MARSHAL_SS:
ctx.state (TAO_CodeGen::TAO_ARGUMENT_MARSHAL_SS);
break;
case TAO_CodeGen::TAO_OPERATION_ARG_PRE_UPCALL_SS:
ctx.state (TAO_CodeGen::TAO_ARGUMENT_PRE_UPCALL_SS);
break;
case TAO_CodeGen::TAO_OPERATION_COLLOCATED_ARG_UPCALL_SS:
ctx.state (TAO_CodeGen::TAO_ARGUMENT_COLLOCATED_UPCALL_SS);
break;
case TAO_CodeGen::TAO_OPERATION_ARG_UPCALL_SS:
ctx.state (TAO_CodeGen::TAO_ARGUMENT_UPCALL_SS);
break;
case TAO_CodeGen::TAO_AMI_HANDLER_OPERATION_ARG_UPCALL_CS:
ctx.state (TAO_CodeGen::TAO_AMI_HANDLER_ARGUMENT_UPCALL_CS);
break;
case TAO_CodeGen::TAO_OPERATION_ARG_POST_UPCALL_SS:
ctx.state (TAO_CodeGen::TAO_ARGUMENT_POST_UPCALL_SS);
break;
case TAO_CodeGen::TAO_OPERATION_ARG_POST_MARSHAL_SS:
ctx.state (TAO_CodeGen::TAO_ARGUMENT_POST_MARSHAL_SS);
break;
// case TAO_CodeGen::TAO_OPERATION_ARG_AMI:
// ctx.state (TAO_CodeGen::TAO_ARGUMENT_AMI);
// break;
default:
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_argument::"
"visit_argument - "
"Bad context\n"),
-1);
}
}
// grab a visitor
be_visitor *visitor = tao_cg->make_visitor (&ctx);
if (!visitor)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_argument::"
"visit_argument - "
"Bad visitor\n"),
-1);
}
if (node->accept (visitor) == -1)
{
delete visitor;
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_argument::"
"visit_argument - "
"codegen for argument failed\n"),
-1);
}
delete visitor;
return 0;
}
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