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//
// $Id$
//
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// array_ch.cpp
//
// = DESCRIPTION
// Visitor for Array code generation in client header
//
// = AUTHOR
// Aniruddha Gokhale
//
// ============================================================================
#include "idl.h"
#include "idl_extern.h"
#include "be.h"
#include "be_visitor_array.h"
ACE_RCSID(be_visitor_array, array_ch, "$Id$")
// ************************************************************************
// visitor for array declaration in client header
// ************************************************************************
be_visitor_array_ch::be_visitor_array_ch (be_visitor_context *ctx)
: be_visitor_array (ctx)
{
}
be_visitor_array_ch::~be_visitor_array_ch (void)
{
}
int be_visitor_array_ch::visit_array (be_array *node)
{
TAO_OutStream *os = this->ctx_->stream (); // get output stream
be_type *bt; // base type
be_decl *scope = this->ctx_->scope (); // scope in which it is used
// nothing to do if we are imported or code is already generated
if (node->imported () || (node->cli_hdr_gen ()))
return 0;
this->ctx_->node (node); // save the array node
// retrieve the type
bt = be_type::narrow_from_decl (node->base_type ());
if (!bt)
{
ACE_ERROR_RETURN ((LM_ERROR,
"be_visitor_array_ch::"
"visit_array - "
"Bad base type\n"),
-1);
}
// generate the ifdefined macro
os->gen_ifdef_macro (node->flatname ());
os->indent ();
if (this->ctx_->tdef ())
{
// this is a typedef to an array node
*os << "typedef ";
}
if (bt->accept (this) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"be_visitor_array_ch::"
"visit_array - "
"base type decl failed\n"),
-1);
}
*os << " " << node->local_name ();
if (node->gen_dimensions (os) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"be_visitor_array_ch::"
"visit_array - "
"gen dimensions failed\n"),
-1);
}
*os << ";" << be_nl;
*os << "typedef ";
if (bt->accept (this) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"be_visitor_array_ch::"
"visit_array - "
"base type decl failed\n"),
-1);
}
*os << " " << node->local_name () << "_slice";
if (node->gen_dimensions (os, 1) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"be_visitor_array_ch::"
"visit_array - "
"gen slice dimensions failed\n"),
-1);
}
*os << ";\n";
// typedef the _var, _out, and _forany types
if (node->gen_var_defn () == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"be_visitor_array_ch::"
"visit_argument - "
"var_defn 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,
"be_visitor_array_ch::"
"visit_argument - "
"out_defn failed\n"),
-1);
}
}
else
{
// fixed size
os->indent ();
// if we are a typedefed array, we can use the TYPE name to define an
// _out type. However, for anonymous arrays that do not give rise to a
// new type, we use the base type for defining an out type
if (this->ctx_->tdef ())
{
*os << "typedef " << node->local_name () << " "
<< node->local_name () << "_out;\n";
}
else
{
*os << "typedef ";
if (bt->accept (this) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"be_visitor_array_ch::"
"visit_array - "
"base type decl failed\n"),
-1);
}
*os << " " << node->local_name () << "_out";
if (node->gen_dimensions (os) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"be_visitor_array_ch::"
"visit_array - "
"gen dimensions failed\n"),
-1);
}
*os << ";" << be_nl;
}
}
if (node->gen_forany_defn () == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"be_visitor_array_ch::"
"visit_argument - "
"forany_defn failed\n"),
-1);
}
// the _alloc, _dup, copy, and free methods. If the node is nested, the
// methods become static
os->indent ();
*os << "static " << node->nested_type_name (scope, "_slice") << " *";
*os << node->nested_type_name (scope, "_alloc") << " (void);" << be_nl;
*os << "static " << node->nested_type_name (scope, "_slice") << " *";
*os << node->nested_type_name (scope, "_dup") << " (const ";
*os << node->nested_type_name (scope, "_slice") << " *_tao_slice);" << be_nl;
*os << "static void " << node->nested_type_name (scope, "_copy") << " (";
*os << node->nested_type_name (scope, "_slice") << " *_tao_to, const ";
*os << node->nested_type_name (scope, "_slice") << " *_tao_from);" << be_nl;
*os << "static void " << node->nested_type_name (scope, "_free") << " (";
*os << node->nested_type_name (scope, "_slice") << " *_tao_slice);" << be_nl;
// is this a typedefined array? if so, then let the typedef deal with
// generation of the typecode
if (!this->ctx_->tdef ())
{
// 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_context ctx = *this->ctx_;
ctx.state (TAO_CodeGen::TAO_TYPECODE_DECL);
be_visitor *visitor = tao_cg->make_visitor (&ctx);
if (!visitor || (node->accept (visitor) == -1))
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_array_ch::"
"visit_array - "
"TypeCode declaration failed\n"
), -1);
}
delete visitor;
}
// generate the endif macro
os->gen_endif ();
node->cli_hdr_gen (1);
return 0;
}
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