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//
// $Id$
//
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// structure_ch.cpp
//
// = DESCRIPTION
// Visitor generating code for Structure in the client header.
//
// = AUTHOR
// Aniruddha Gokhale
//
// ============================================================================
#include "idl.h"
#include "idl_extern.h"
#include "be.h"
#include "be_visitor_structure.h"
ACE_RCSID(be_visitor_structure, structure_ch, "$Id$")
// ******************************************************
// for client header
// ******************************************************
be_visitor_structure_ch::be_visitor_structure_ch (be_visitor_context *ctx)
: be_visitor_structure (ctx)
{
}
be_visitor_structure_ch::~be_visitor_structure_ch (void)
{
}
// visit the Structure node and its scope
int be_visitor_structure_ch::visit_structure (be_structure *node)
{
TAO_OutStream *os; // output stream
if (!node->cli_hdr_gen () && !node->imported ()) // not already generated and
// not imported
{
os = this->ctx_->stream ();
os->indent (); // start from whatever indentation level we were at
*os << "struct " << idl_global->export_macro () << " "
<< node->local_name () << be_nl
<< "{" << be_idt << "\n";
// generate code for field members
if (this->visit_scope (node) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_structure_ch::"
"visit_structure - "
"codegen for scope failed\n"), -1);
}
os->decr_indent ();
*os << "};\n\n";
// generate var defn
if (node->gen_var_defn () == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_structure_ch::"
"visit_structure - "
"codegen for _var failed\n"), -1);
}
// a class is generated for an out defn only for a variable length struct
if (node->size_type () == be_decl::VARIABLE)
{
if (node->gen_out_defn () == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_structure_ch::"
"visit_structure - "
"codegen for _out failed\n"), -1);
}
}
else
{
os->indent ();
*os << "typedef " << node->local_name () << " &" << node->local_name
() << "_out;\n\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_structure_ch::"
"visit_structure - "
"TypeCode declaration failed\n"
), -1);
}
node->cli_hdr_gen (I_TRUE);
}
return 0;
}
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