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/* -*- c++ -*- */
// $Id$
#include "identifier_helper.h"
#include "utl_identifier.h"
#include "utl_string.h"
#include "fe_private.h"
#include "global_extern.h"
Identifier *
IdentifierHelper::original_local_name (Identifier * local_name)
{
Identifier * id = 0;
const char *lname = local_name->get_string ();
// Remove _cxx_ if:
// 1. it occurs and
// 2. it occurs at the beginning of the string and
// 3. the rest of the string is a C++ keyword
if (ACE_OS::strstr (lname, "_cxx_") == lname)
{
TAO_IDL_CPP_Keyword_Table cpp_key_tbl;
unsigned int len =
static_cast<unsigned int> (ACE_OS::strlen (lname + 5));
const TAO_IDL_CPP_Keyword_Entry *entry =
cpp_key_tbl.lookup (lname + 5, len);
if (entry != 0)
{
// Remove _cxx_ and assign to the Identifier variable.
ACE_NEW_RETURN (id,
Identifier (lname + 5),
0);
}
}
if (id == 0)
{
id = local_name->copy ();
}
return id;
}
ACE_CString
IdentifierHelper::orig_sn (UTL_IdList * sn, bool appended_to)
{
ACE_CString retval;
bool first = true;
bool second = false;
Identifier *id = 0;
for (UTL_IdListActiveIterator i (sn); !i.is_done ();)
{
if (!first)
{
retval += "::";
}
else if (second)
{
first = second = false;
}
id = IdentifierHelper::original_local_name (i.item ());
i.next ();
// Append the identifier.
retval +=
appended_to && i.is_done ()
? id->get_string ()
: IdentifierHelper::try_escape (id).c_str ();
if (first)
{
if (ACE_OS::strcmp (id->get_string (), "") != 0)
{
// Does not start with a "".
first = false;
}
else
{
second = true;
}
}
id->destroy ();
delete id;
id = 0;
}
return retval;
}
bool
IdentifierHelper::is_idl_keyword (Identifier * local_name)
{
UTL_String utl_tmp (local_name->get_string ());
ACE_CString ext_id (utl_tmp.get_canonical_rep (),
0,
false);
int status = idl_global->idl_keywords ().find (ext_id);
utl_tmp.destroy ();
return status == 0;
}
ACE_CString
IdentifierHelper::try_escape (Identifier * local_name)
{
ACE_CString s_local_name (local_name->get_string ());
if (IdentifierHelper::is_idl_keyword (local_name))
{
return "_" + s_local_name;
}
else
{
return s_local_name;
}
}
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