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// Id:$
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// interface_is.cpp
//
// = DESCRIPTION
// Visitor generating code for Interfaces in the implementation skeletons file.
//
// = AUTHOR
// Yamuna Krishnamurthy (yamuna@cs.wustl.edu)
//
// ============================================================================
#include "idl.h"
#include "idl_extern.h"
#include "be.h"
#include "be_visitor_interface.h"
// ************************************************************
// Interface visitor for implementation skeletons
// ************************************************************
ACE_RCSID(be_visitor_interface, interface_is, "$Id$")
be_visitor_interface_is::be_visitor_interface_is (be_visitor_context *ctx)
: be_visitor_interface (ctx)
{
}
be_visitor_interface_is::~be_visitor_interface_is (void)
{
}
int
be_visitor_interface_is::visit_interface (be_interface *node)
{
this->ctx_->interface (node);
TAO_OutStream *os; // output stream
if (node->impl_skel_gen () || node->imported ())
return 0;
os = this->ctx_->stream ();
// generate the skeleton class name
os->indent (); // start with whatever indentation level we are at
// constructor
*os << "// Implementation skeleton constructor" << be_nl;
// find if we are at the top scope or inside some module
*os << idl_global->impl_class_prefix () << node->flat_name () << idl_global->impl_class_suffix () <<"::" << idl_global->impl_class_prefix () << node->flat_name () << idl_global->impl_class_suffix () <<
" (void)" << be_idt_nl;
/*
if(node->n_inherits () >0)
{
//generate the default constructors of all the base classes
node->gen_def_ctors(os);
}
*/
*os << "{" << be_nl
<< "}" << be_nl << be_uidt_nl;
// destructor
os->indent ();
*os << "// Implementation skeleton destructor" << be_nl;
*os << idl_global->impl_class_prefix () << node->flat_name () << idl_global->impl_class_suffix () <<"::~" << idl_global->impl_class_prefix () << node->flat_name () << idl_global->impl_class_suffix () <<
" (void)" << be_idt_nl;
*os << "{" <<be_nl;
*os << "}" << be_nl <<be_uidt_nl;
if (idl_global->gen_copy_ctor () )
{
*os << "//Implementation Skeleton Copy Constructor" << be_nl;
*os <<idl_global->impl_class_prefix () << node->flat_name () << idl_global->impl_class_suffix () <<"::"
<< idl_global->impl_class_prefix () << node->flat_name () << idl_global->impl_class_suffix () << " (const "
<< idl_global->impl_class_prefix () << node->flat_name () << idl_global->impl_class_suffix () << "& t)"<< be_idt_nl;
if(node->n_inherits () >0)
{
node->gen_copy_ctors(os);
*os << ", TAO_ServantBase (t)" << be_nl;
}
*os << "{" << be_nl
<< "}" << be_nl << be_uidt_nl;
}
if (idl_global->gen_assign_op ())
{
*os << "//Implementation Skeleton Copy Assignment" << be_nl;
*os << idl_global->impl_class_prefix () << node->flat_name () << idl_global->impl_class_suffix () << "& "
<< idl_global->impl_class_prefix () << node->flat_name () << idl_global->impl_class_suffix () << "::operator=(const "
<< idl_global->impl_class_prefix () << node->flat_name () << idl_global->impl_class_suffix () << "& t)" <<be_idt_nl
<< "{" << be_idt_nl
<< "return *this;" << be_uidt_nl
<< "}" << be_nl << be_uidt_nl;
}
// generate code for elements in the scope (e.g., operations)
if (this->visit_scope (node) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"be_visitor_interface_ss::"
"visit_interface - "
"codegen for scope failed\n"),
-1);
}
/*
if (node->n_inherits () > 0)
{
// this interface inherits from other interfaces
be_interface *intf; // inherited interface
for (int i = 0; i < node->n_inherits (); i++)
{
intf = be_interface::narrow_from_decl (node->inherits ()[i]);
// generate code for elements in the scope (e.g., operations)
if (this->visit_scope (intf) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"be_visitor_interface_ih::"
"visit_interface - "
"codegen for scope failed\n"),
-1);
}
}
*/
if (node->traverse_inheritance_graph (be_visitor_interface_is::method_helper, os) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"be_visitor_interface_tie_sh_ss::"
"visit_interface - "
"traversal of inhertance graph failed\n"),
-1);
}
return 0;
}
//Helper method to generate the members in the scope of the base classes
int
be_visitor_interface_is::method_helper (be_interface *derived,
be_interface *node,
TAO_OutStream *os)
{
if (strcmp (derived->flat_name (), node->flat_name ()) != 0)
{
be_visitor_context ctx;
ctx.state (TAO_CodeGen::TAO_INTERFACE_IS);
ctx.interface (derived);
ctx.stream (os);
be_visitor* visitor = tao_cg->make_visitor (&ctx);
if (visitor == 0 || visitor->visit_scope (node) == -1)
{
delete visitor;
ACE_ERROR_RETURN ((LM_ERROR,
"be_visitor_interface_is::"
"method_helper\n"), -1);
}
delete visitor;
}
return 0;
}
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