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//
// $Id$
//
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// be_visitor_enum.cpp
//
// = DESCRIPTION
// Visitors for generation of code for Enum
//
// = AUTHOR
// Aniruddha Gokhale
//
// ============================================================================
#include "idl.h"
#include "idl_extern.h"
#include "be.h"
#include "be_visitor_enum.h"
// ********************************************************************
// Visitor implementation for the Enum type
// This one for the client header file
// ********************************************************************
be_visitor_enum_ch::be_visitor_enum_ch (be_visitor_context *ctx)
: be_visitor_scope (ctx)
{
}
be_visitor_enum_ch::~be_visitor_enum_ch (void)
{
}
// visit the Enum_Ch node and its scope
int
be_visitor_enum_ch::visit_enum (be_enum *node)
{
TAO_OutStream *os = this->ctx_->stream ();
this->ctx_->comma (1); // comma to be generated by the scope visitor
if (!node->cli_hdr_gen () && !node->imported ())
{
os->indent (); // start from whatever indentation level we were at
*os << "enum " << node->local_name () << be_nl;
*os << "{\n";
os->incr_indent ();
if (this->visit_scope (node) == 1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_enum_ch::"
"visit_enum - "
"scope generation failed\n"
), -1);
}
os->decr_indent ();
*os << "};" << be_nl;
// As per the ORBOS spec, we need the following typedef
*os << "typedef " << node->local_name () << " &" << node->local_name ()
<< "_out;\n";
// by using a visitor to declare and define the TypeCode, we have the
// added advantage to conditionally not generate any code. This will be
// based on the command line options. This is still TO-DO
be_visitor *visitor;
be_visitor_context ctx (*this->ctx_);
ctx.state (TAO_CodeGen::TAO_TYPECODE_DECL);
visitor = tao_cg->make_visitor (&ctx);
if (!visitor || (node->accept (visitor) == -1))
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_enum_ch::"
"visit_enum - "
"TypeCode declaration failed\n"
), -1);
}
node->cli_hdr_gen (I_TRUE);
}
return 0;
}
int
be_visitor_enum_ch::post_process (void)
{
TAO_OutStream *os = this->ctx_->stream ();
*os << "," << be_nl;
return 0;
}
int
be_visitor_enum_ch::visit_enum_val (be_enum_val *node)
{
TAO_OutStream *os = this->ctx_->stream ();
os->indent ();
*os << node->local_name ();
return 0;
}
// ********************************************************************
// Visitor implementation for the Enum type
// This one for the client stubs file
// ********************************************************************
be_visitor_enum_cs::be_visitor_enum_cs (be_visitor_context *ctx)
: be_visitor_scope (ctx)
{
}
be_visitor_enum_cs::~be_visitor_enum_cs (void)
{
}
// visit the Enum_cs node and its scope
int
be_visitor_enum_cs::visit_enum (be_enum *node)
{
TAO_OutStream *os = this->ctx_->stream ();
if (!node->cli_stub_gen () && !node->imported ())
{
// by using a visitor to declare and define the TypeCode, we have the
// added advantage to conditionally not generate any code. This will be
// based on the command line options. This is still TO-DO
be_visitor *visitor;
be_visitor_context ctx (*this->ctx_);
ctx.state (TAO_CodeGen::TAO_TYPECODE_DEFN);
visitor = tao_cg->make_visitor (&ctx);
if (!visitor || (node->accept (visitor) == -1))
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_enum_cs::"
"visit_enum - "
"TypeCode definition failed\n"
), -1);
}
node->cli_stub_gen (I_TRUE);
}
return 0;
}
// ***************************************************************************
// Enum visitor for generating Any operator declarations in the client header
// ***************************************************************************
be_visitor_enum_any_op_ch::be_visitor_enum_any_op_ch
(be_visitor_context *ctx)
: be_visitor_scope (ctx)
{
}
be_visitor_enum_any_op_ch::~be_visitor_enum_any_op_ch (void)
{
}
int
be_visitor_enum_any_op_ch::visit_enum (be_enum *node)
{
if (node->cli_hdr_any_op_gen () || node->imported ())
return 0;
TAO_OutStream *os = tao_cg->client_header ();
// generate the Any <<= and >>= operators
os->indent ();
*os << "void " << idl_global->export_macro ()
<< " operator<<= (CORBA::Any &, " << node->name ()
<< ");" << be_nl;
*os << "CORBA::Boolean " << idl_global->export_macro ()
<< " operator>>= (const CORBA::Any &, "
<< node->name () << " &);\n";
node->cli_hdr_any_op_gen (1);
return 0;
}
// ***************************************************************************
// Enum visitor for generating Any operator declarations in the client
// stubs file
// ***************************************************************************
be_visitor_enum_any_op_cs::be_visitor_enum_any_op_cs
(be_visitor_context *ctx)
: be_visitor_scope (ctx)
{
}
be_visitor_enum_any_op_cs::~be_visitor_enum_any_op_cs (void)
{
}
int
be_visitor_enum_any_op_cs::visit_enum (be_enum *node)
{
if (node->cli_stub_any_op_gen () || node->imported ())
return 0;
TAO_OutStream *os = tao_cg->client_stubs ();
// generate the Any <<= and >>= operator declarations
// Any <<= and >>= operators
os->indent ();
*os << "void operator<<= (CORBA::Any &_tao_any, "
<< node->name () << " _tao_elem)" << be_nl
<< "{" << be_idt_nl
<< "CORBA::Environment _tao_env;" << be_nl
<< "_tao_any.replace (" << node->tc_name () << ", &"
<< "_tao_elem, 1, _tao_env);" << be_uidt_nl
<< "}" << be_nl;
*os << "CORBA::Boolean operator>>= (const CORBA::Any &_tao_any, "
<< node->name () << " &_tao_elem)" << be_nl
<< "{" << be_idt_nl
<< "CORBA::Environment _tao_env;" << be_nl
<< "if (!_tao_any.type ()->equal (" << node->tc_name ()
<< ", _tao_env)) return 0; // not equal" << be_nl
<< "TAO_InputCDR stream ((ACE_Message_Block *)_tao_any.value ());"
<< be_nl
<< "if (stream.decode (" << node->tc_name ()
<< ", &_tao_elem, 0, _tao_env)" << be_nl
<< " == CORBA::TypeCode::TRAVERSE_CONTINUE)" << be_nl
<< " return 1;" << be_nl
<< "else" << be_nl
<< " return 0;" << be_uidt_nl
<< "}\n\n";
node->cli_stub_any_op_gen (1);
return 0;
}
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