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//
// $Id$
//
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// arglist.cpp
//
// = DESCRIPTION
// Visitor generating code for the parameter list of the Operation signature.
//
// = AUTHOR
// Aniruddha Gokhale
//
// ============================================================================
ACE_RCSID (be_visitor_operation,
arglist,
"$Id$")
// ************************************************************
// operation visitor to generate the argument list.
// We have separated code generation for this from the 4 main
// visitors to avoid code duplication and tight coupling
// ************************************************************
be_visitor_operation_arglist::be_visitor_operation_arglist (
be_visitor_context *ctx
)
: be_visitor_operation (ctx)
{
}
be_visitor_operation_arglist::~be_visitor_operation_arglist (void)
{
}
int
be_visitor_operation_arglist::visit_operation (be_operation *node)
{
TAO_OutStream *os = this->ctx_->stream ();
*os << " (" << be_idt << be_idt_nl;
switch (this->ctx_->state ())
{
case TAO_CodeGen::TAO_OPERATION_ARGLIST_PROXY_IMPL_XH:
case TAO_CodeGen::TAO_OPERATION_ARGLIST_PROXY_IMPL_XS:
*os << "::CORBA::Object *_collocated_tao_target_";
if (node->argument_count () > 0)
{
*os << "," << be_nl;
}
break;
default:
break;
}
// 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_arglist::"
"visit_operation - "
"codegen for scope failed\n"),
-1);
}
if (node->argument_count () == 0)
{
*os << "void";
}
*os << ")" << be_uidt << be_uidt;
switch (this->ctx_->state ())
{
case TAO_CodeGen::TAO_OPERATION_ARGLIST_CH:
case TAO_CodeGen::TAO_OPERATION_ARGLIST_COLLOCATED_SH:
case TAO_CodeGen::TAO_OPERATION_ARGLIST_IH:
if (node->is_local ())
{
*os << " = 0";
}
break;
case TAO_CodeGen::TAO_OPERATION_ARGLIST_PROXY_IMPL_XH:
case TAO_CodeGen::TAO_TIE_OPERATION_ARGLIST_SH:
break;
case TAO_CodeGen::TAO_OPERATION_ARGLIST_SH:
*os << " = 0";
break;
default:
return 0;
}
*os << ";";
return 0;
}
int
be_visitor_operation_arglist::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 = 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);
}
// Set new scope.
ctx.scope (intf);
// Create a visitor.
be_visitor_args_arglist visitor (&ctx);
if (visitor.visit_argument (node) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_arglist::"
"visit_argument - "
"codegen for arglist failed\n"),
-1);
}
return 0;
}
int
be_visitor_operation_arglist::post_process (be_decl *bd)
{
TAO_OutStream *os = this->ctx_->stream ();
// if we are not the last node in the list of arguments, generate a comma
// else decide if we are generating code to support true exceptions - in
// which case there will not be any CORBA::Environment parameter
if (!this->last_node (bd))
{
*os << "," << be_nl;
}
return 0;
}
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