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//=============================================================================
/**
* @file cdr_op_cs.cpp
*
* Visitor generating code for CDR operators for exceptions
*
* @author Aniruddha Gokhale
*/
//=============================================================================
#include "exception.h"
be_visitor_exception_cdr_op_cs::be_visitor_exception_cdr_op_cs (
be_visitor_context *ctx)
: be_visitor_exception (ctx)
{
}
be_visitor_exception_cdr_op_cs::~be_visitor_exception_cdr_op_cs ()
{
}
int
be_visitor_exception_cdr_op_cs::visit_exception (be_exception *node)
{
if (node->cli_stub_cdr_op_gen ()
|| node->imported ()
|| node->is_local ())
{
return 0;
}
this->ctx_->sub_state(TAO_CodeGen::TAO_CDR_SCOPE);
if (this->visit_scope (node) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("(be_visitor_exception_cdr_op_cs::")
ACE_TEXT ("visit_exception - ")
ACE_TEXT ("codegen for scope failed\n")),
-1);
}
TAO_OutStream *os = this->ctx_->stream ();
*os << be_nl_2 << "// TAO_IDL - Generated from" << be_nl
<< "// " << __FILE__ << ":" << __LINE__;
*os << be_global->core_versioning_begin () << be_nl;
// Set the sub state as generating code for the output operator.
this->ctx_->sub_state (TAO_CodeGen::TAO_CDR_OUTPUT);
*os << be_nl_2
<< "::CORBA::Boolean operator<< (" << be_idt << be_idt_nl
<< "TAO_OutputCDR &strm," << be_nl
<< "const " << node->name () << " &_tao_aggregate)" << be_uidt
<< be_uidt_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);
if (field_decl.visit_scope (node) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("be_visitor_exception_cdr_op_cs::")
ACE_TEXT ("visit_exception - ")
ACE_TEXT ("codegen for field decl scope failed\n")),
-1);
}
// some members
*os << "// First marshal the repository ID." << be_nl
<< "if (strm << _tao_aggregate._rep_id ())" << be_idt_nl
<< "{" << be_idt_nl
<< "// Now marshal the members (if any)." << be_nl
<< "return (" << be_idt_nl;
if (this->visit_scope (node) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("be_visitor_exception_cdr_op_cs::")
ACE_TEXT ("visit_exception - ")
ACE_TEXT ("codegen for scope failed\n")),
-1);
}
*os << be_uidt_nl << " );" << be_uidt_nl
<< "}" << be_uidt_nl
<< "else" << be_idt_nl
<< "{" << be_idt_nl
<< "return false;" << be_uidt_nl
<< "}" << be_uidt << be_uidt_nl;
}
else
{
// No members.
*os << "// Marshal the repository ID." << be_nl
<< "return (strm << _tao_aggregate._rep_id ());" << be_uidt_nl;
}
*os << "}" << be_nl_2;
// Set the substate as generating code for the input operator.
this->ctx_->sub_state(TAO_CodeGen::TAO_CDR_INPUT);
*os << "::CORBA::Boolean operator>> (" << be_idt << be_idt_nl
<< "TAO_InputCDR &";
if (node->nmembers () > 0)
{
*os << "strm," << be_nl
<< node->name () << " &_tao_aggregate)" << be_uidt
<< be_uidt_nl;
}
else
{
*os << "," << be_nl
<< node->name () << "&)" << be_uidt
<< be_uidt_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);
if (field_decl.visit_scope (node) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("be_visitor_exception_cdr_op_cs::")
ACE_TEXT ("visit_exception - ")
ACE_TEXT ("codegen for field decl failed\n")),
-1);
}
// Some members.
*os << "// Demarshal the members." << be_nl
<< "return (" << be_idt_nl;
if (this->visit_scope (node) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("be_visitor_exception_cdr_op_cs::")
ACE_TEXT ("visit_exception - ")
ACE_TEXT ("codegen for scope failed\n")),
-1);
}
*os << be_uidt_nl << ");" << be_uidt_nl;
}
else
{
*os << "return true;" << be_uidt_nl;
}
*os << "}" << be_nl;
if (be_global->gen_ostream_operators ())
{
node->gen_ostream_operator (os, false);
}
*os << be_global->core_versioning_end () << be_nl;
node->cli_stub_cdr_op_gen (true);
return 0;
}
int
be_visitor_exception_cdr_op_cs::post_process (be_decl *bd)
{
// This checks for members of an enum 'non-scope' declared inside
// the exception. If an enum val is actually a member, it will
// have node type NT_field.
if (bd->node_type () == AST_Decl::NT_enum_val)
{
return 0;
}
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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