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//
// $Id$
//
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// cdr_op_ci.cpp
//
// = DESCRIPTION
// Visitor generating code for CDR operators for exceptions
//
// = AUTHOR
// Aniruddha Gokhale
//
// ============================================================================
ACE_RCSID (be_visitor_exception,
cdr_op_ci,
"$Id$")
// ***************************************************************************
// Exception visitor for generating CDR operator declarations in the client
// stubs file
// ***************************************************************************
be_visitor_exception_cdr_op_ci::be_visitor_exception_cdr_op_ci (
be_visitor_context *ctx
)
: be_visitor_exception (ctx)
{
}
be_visitor_exception_cdr_op_ci::~be_visitor_exception_cdr_op_ci (void)
{
}
int
be_visitor_exception_cdr_op_ci::visit_exception (be_exception *node)
{
// already generated and/or we are imported. Don't do anything.
if (node->cli_inline_cdr_op_gen ()
|| node->imported ()
|| node->is_local ())
{
return 0;
}
TAO_OutStream *os = this->ctx_->stream ();
// First generate code for our children. The reason we do this first is
// because the inlined code for our children must be available before we use
// it in our parent
// Set the substate as generating code for the types defined in our scope.
this->ctx_->sub_state(TAO_CodeGen::TAO_CDR_SCOPE);
if (this->visit_scope (node) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_exception_cdr_op_ci"
"::visit_exception - "
"codegen for scope failed\n"),
-1);
}
// set the sub state as generating code for the output operator
this->ctx_->sub_state(TAO_CodeGen::TAO_CDR_OUTPUT);
*os << "ACE_INLINE CORBA::Boolean operator<< (TAO_OutputCDR &strm, "
<< "const " << node->name () << " &_tao_aggregate)" << be_nl
<< "{" << be_idt_nl;
// do we have any members?
if (node->nmembers () > 0)
{
be_visitor_context new_ctx (*this->ctx_);
be_visitor_cdr_op_field_decl field_decl (&new_ctx);
field_decl.visit_scope (node);
// some members
*os << "// first marshal the repository ID" << be_nl
<< "if (strm << _tao_aggregate._id ())" << be_nl
<< "{" << be_idt_nl
<< "// now marshal the members (if any)" << be_nl
<< "if (" << be_idt_nl;
if (this->visit_scope (node) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_exception_cdr_op_ci::"
"visit_exception - "
"codegen for scope failed\n"),
-1);
}
*os << be_uidt_nl << ")"
<< be_idt_nl
<< "return 1;" << be_uidt_nl
<< "else" << be_idt_nl
<< "return 0;" << be_uidt << be_uidt_nl
<< "}" << be_nl
<< "else" << be_idt_nl
<< "return 0;" << be_uidt << be_uidt_nl;
}
else
{
// No members.
*os << "// first marshal the repository ID" << be_nl
<< "if (strm << _tao_aggregate._id ())" << be_idt_nl
<< "return 1;" << be_uidt_nl
<< "else" << be_idt_nl
<< "return 0;" << be_uidt << be_uidt_nl;
}
*os << "}\n\n";
// Set the substate as generating code for the input operator.
this->ctx_->sub_state(TAO_CodeGen::TAO_CDR_INPUT);
*os << "ACE_INLINE CORBA::Boolean operator>> (TAO_InputCDR &";
if (node->nmembers () > 0)
{
*os << "strm,"
<< node->name () << " &_tao_aggregate)" << be_nl;
}
else
{
*os << ","
<< node->name () << "&)" << be_nl;
}
*os << "{" << be_idt_nl;
// WARNING: This method is not symmetric with respect to the
// encoding function!
// Exceptions are strange.... the repository ID is retrieved by the
// caller, and they invoke this method only to demarshal the
// members. While the marshaling method encodes both...
// Do we have any members?
if (node->nmembers () > 0)
{
be_visitor_context new_ctx (*this->ctx_);
be_visitor_cdr_op_field_decl field_decl (&new_ctx);
field_decl.visit_scope (node);
// Some members.
*os << "// now marshal the members" << be_nl
<< "if (" << be_idt_nl;
if (this->visit_scope (node) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_exception_cdr_op_ci::"
"visit_exception - "
"codegen for scope failed\n"),
-1);
}
*os << be_uidt_nl << ")"
<< be_idt_nl
<< "return 1;" << be_uidt_nl
<< "else" << be_idt_nl
<< "return 0;" << be_uidt << be_uidt_nl;
}
else
{
*os << "return 1;" << be_uidt_nl;
}
*os << "}\n\n";
node->cli_inline_cdr_op_gen (1);
return 0;
}
int
be_visitor_exception_cdr_op_ci::post_process (be_decl *bd)
{
TAO_OutStream *os = this->ctx_->stream ();
if (!this->last_node (bd))
{
switch (this->ctx_->sub_state ())
{
case TAO_CodeGen::TAO_CDR_OUTPUT:
case TAO_CodeGen::TAO_CDR_INPUT:
*os << " &&" << be_nl;
break;
case TAO_CodeGen::TAO_CDR_SCOPE:
default:
break;
};
}
return 0;
}
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