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//
// $Id$
//
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// union_ci.cpp
//
// = DESCRIPTION
// Visitor generating code for Union in the client inline file
//
// = AUTHOR
// Aniruddha Gokhale
//
// ============================================================================
#include "idl.h"
#include "idl_extern.h"
#include "be.h"
#include "be_visitor_union.h"
ACE_RCSID(be_visitor_union, union_ci, "$Id$")
// ******************************************************
// for client inline
// ******************************************************
be_visitor_union_ci::be_visitor_union_ci (be_visitor_context *ctx)
: be_visitor_union (ctx)
{
}
be_visitor_union_ci::~be_visitor_union_ci (void)
{
}
// visit the Union node and its scope
int be_visitor_union_ci::visit_union (be_union *node)
{
TAO_OutStream *os; // output stream
be_type *bt; // type node
// instantiate a visitor context with a copy of our context. This info
// will be modified based on what type of node we are visiting
be_visitor_context ctx (*this->ctx_);
ctx.node (node); // set the node to be the node being visited. The scope is
// still the same
if (!node->cli_inline_gen () && !node->imported ())
{
os = this->ctx_->stream ();
*os << "// *************************************************************"
<< be_nl;
*os << "// Inline operations for union " << node->name () << be_nl;
*os << "// *************************************************************\n\n";
// generate the default constructor and the destructor here
os->indent ();
*os << "// destructor" << be_nl
<< "ACE_INLINE" << be_nl
<< node->name () << "::~" << node->local_name () << " (void)" << be_nl
<< "{" << be_idt_nl
<< "// finalize" << be_nl
<< "this->_reset (this->disc_, 1);" << be_uidt_nl
<< "}" << be_nl << be_nl;
// the virtual overloaded _reset method
*os << "// this reset method is used by the decoding engine" << be_nl;
*os << "ACE_INLINE void" << be_nl
<< node->name () << "::_reset (void)" << be_nl
<< "{" << be_idt_nl
<< "this->_reset (this->disc_, 1);" << be_nl
<< "ACE_OS::memcpy (&this->u_, 0, sizeof (this->u_));" << be_uidt_nl
<< "}" << be_nl << be_nl;
// the virtual overloaded _discriminant method
*os << "// returns pointer to the discriminant" << be_nl;
*os << "ACE_INLINE void *" << be_nl
<< node->name () << "::_discriminant (void)" << be_nl
<< "{" << be_idt_nl
<< "return &this->disc_;" << be_uidt_nl
<< "}\n\n";
// the discriminant type may have to be defined here if it was an enum
// declaration inside of the union statement.
bt = be_type::narrow_from_decl (node->disc_type ());
if (!bt)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_union_ci::"
"visit_union - "
"bad discriminant type\n"), -1);
}
ctx.state (TAO_CodeGen::TAO_UNION_DISCTYPEDEFN_CI); // set current code
// gen state
be_visitor *visitor = tao_cg->make_visitor (&ctx);
if (!visitor)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_union_ci::"
"visit_union - "
"bad visitor\n"), -1);
}
// generate code for the discriminant
if (bt->accept (visitor) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_union_ci::"
"visit union - "
"codegen for discrminant failed\n"), -1);
}
// now generate the implementation of the access methods for the
// union. For this set our state
this->ctx_->state (TAO_CodeGen::TAO_UNION_PUBLIC_CI);
if (this->visit_scope (node) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_union_ci::"
"visit_union - "
"codegen for scope failed\n"), -1);
}
// generate the ifdefined macro for the array type
os->gen_ifdef_macro (node->flatname (), "_var");
if (node->gen_var_impl () == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_union_ci::"
"visit_union - "
"codegen for _var failed\n"), -1);
}
os->gen_endif ();
// generate the ifdefined macro for the array type then generate the _out
// impl
os->gen_ifdef_macro (node->flatname (), "_out");
if (node->size_type () == be_decl::VARIABLE
&& node->gen_out_impl () == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_union_ci::"
"visit_union - "
"codegen for _out failed\n"), -1);
}
os->gen_endif ();
node->cli_inline_gen (I_TRUE);
}
return 0;
}
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