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// $Id$
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// be_array.cpp
//
// = DESCRIPTION
// Extension of class AST_Array that provides additional means for C++
// mapping.
//
// = AUTHOR
// Copyright 1994-1995 by Sun Microsystems, Inc.
// and
// Aniruddha Gokhale
//
// ============================================================================
#include "idl.h"
#include "idl_extern.h"
#include "be.h"
ACE_RCSID(be, be_array, "$Id$")
/*
* BE_Array
*/
be_array::be_array (void)
: tao_name_ (0)
{
}
be_array::be_array (UTL_ScopedName *n, unsigned long ndims, UTL_ExprList *dims)
: AST_Array (n, ndims, dims),
AST_Decl (AST_Decl::NT_array, n, NULL),
tao_name_ (0)
{
}
be_array::~be_array (void)
{
if (this->tao_name_ == 0)
delete[] tao_name_;
}
// create a name for ourselves
const char*
be_array::tao_name (void)
{
if (this->tao_name_ != 0)
return this->tao_name_;
be_type *bt = be_type::narrow_from_decl (this->base_type ());
if (!bt)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_array::"
"tao_name - "
"bad base type\n"),
0);
}
const char prefix[] = "_tc_tao_array_";
int l = (ACE_OS::strlen (bt->local_name ()->get_string ())
+ ACE_OS::strlen (this->local_name ()->get_string ()) + 1
+ sizeof (prefix)
+ 5 * this->n_dims ());
ACE_NEW_RETURN (this->tao_name_, char[l], 0);
ACE_OS::sprintf (this->tao_name_, "%s%s_%s",
prefix, this->local_name ()->get_string (),
bt->local_name ()->get_string());
for (unsigned int i = 0; i < this->n_dims (); ++i)
{
AST_Expression *expr = this->dims ()[i]; // retrieve the ith
// dimension value
if ((expr == NULL) || ((expr != NULL) && (expr->ev () == NULL)))
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_array::"
"tao_name - "
"bad array dimension\n"),
0);
}
if (expr->ev ()->et != AST_Expression::EV_ulong)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_array::"
"tao_name - "
"bad dimension value\n"),
0);
}
char buf[16];
ACE_OS::sprintf (buf, "_%04.4x", ((int)expr->ev ()->u.ulval));
ACE_OS::strcat (this->tao_name_, buf);
}
return this->tao_name_;
}
int
be_array::create_name (void)
{
char namebuf [NAMEBUFSIZE];
unsigned long i;
UTL_ScopedName *n = NULL;
be_decl *scope; // scope in which we are defined
ACE_OS::memset (namebuf, '\0', NAMEBUFSIZE); // reset the buffer
// retrieve the base type
// the name always starts this way
be_type *bt = be_type::narrow_from_decl (this->base_type ());
if (!bt)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_array::"
"create_name - "
"bad base type\n"),
0);
}
ACE_OS::sprintf (namebuf, "_tao_array_%s", bt->local_name ()->get_string ());
// now append dimensions
for (i = 0; i < this->n_dims (); i++)
{
AST_Expression *expr = this->dims ()[i]; // retrieve the ith
// dimension value
if ((expr == NULL) || ((expr != NULL) && (expr->ev () == NULL)))
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_array::"
"create_name - "
"bad array dimension\n"),
-1);
}
if (expr->ev ()->et == AST_Expression::EV_ulong)
{
ACE_OS::sprintf (namebuf, "%s_%d", namebuf, ((int)expr->ev ()->u.ulval));
}
else
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_array::"
"create_name - "
"bad dimension value\n"),
-1);
}
}
// now see if we have a fully scoped name and if so, generate one
scope = be_scope::narrow_from_scope (this->defined_in ())->decl ();
if (scope)
{
// make a copy of the enclosing scope's name
n = (UTL_ScopedName *)scope->name ()->copy () ;
// add our local name as the last component
n->nconc (new UTL_ScopedName (new Identifier (ACE_OS::strdup
(namebuf), 1,
0, I_FALSE),
NULL));
// set the fully scoped name
this->set_name (n);
}
else
{
// We better be not here because we must be inside some scope,
// atleast the ROOT scope.
return -1;
}
return 0;
}
// Code generation
int
be_array::gen_dimensions (TAO_OutStream *os, unsigned short slice)
{
unsigned long i; // loop index
// print our dimensions
for (i = (slice?1:0); i < this->n_dims (); i++)
{
AST_Expression *expr = this->dims ()[i]; // retrieve the ith
// dimension value
if ((expr == NULL) || ((expr != NULL) && (expr->ev () == NULL)))
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_array::"
"gen_dimensions - "
"bad array dimension\n"),
-1);
}
if (expr->ev ()->et == AST_Expression::EV_ulong)
{
*os << "[" << ((int)expr->ev ()->u.ulval) << "]";
}
else
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_array::"
"gen_dimensions - "
"bad dimension value\n"),
-1);
}
}
return 0;
}
// compute the size type of the node in question
int
be_array::compute_size_type (void)
{
be_type *type = be_type::narrow_from_decl (this->base_type ());
if (!type)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_array::compute_size_type - "
"bad base type\n"), -1);
}
// our size type is the same as our type
this->size_type (type->size_type ());
return 0;
}
int
be_array::accept (be_visitor *visitor)
{
return visitor->visit_array (this);
}
// Narrowing
IMPL_NARROW_METHODS2 (be_array, AST_Array, be_type)
IMPL_NARROW_FROM_DECL (be_array)
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