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// $Id$
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// be_enum.cpp
//
// = DESCRIPTION
// Extension of class AST_Enum 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_enum, "$Id$")
/*
* BE_Enum
*/
be_enum::be_enum (void)
{
this->size_type (be_decl::FIXED);
}
be_enum::be_enum (UTL_ScopedName *n, UTL_StrList *p)
: AST_Enum (n, p),
AST_Decl (AST_Decl::NT_enum, n, p),
UTL_Scope (AST_Decl::NT_enum),
member_count_ (-1)
{
this->size_type (be_decl::FIXED);
}
// compute total number of members
int
be_enum::compute_member_count (void)
{
UTL_ScopeActiveIterator *si; // iterator
AST_Decl *d; // temp node
this->member_count_ = 0;
// if there are elements in this scope
if (this->nmembers () > 0)
{
// instantiate a scope iterator.
si = new UTL_ScopeActiveIterator (this, UTL_Scope::IK_decls);
while (!(si->is_done ()))
{
// get the next AST decl node
d = si->item ();
if (!d->imported ())
{
this->member_count_++;
}
si->next ();
} // end of while
delete si; // free the iterator object
}
return 0;
}
// return the member count
int
be_enum::member_count (void)
{
if (this->member_count_ == -1)
this->compute_member_count ();
return this->member_count_;
}
// Convert a numeric value to the string name
UTL_ScopedName *
be_enum::value_to_name (const unsigned long v)
{
UTL_ScopeActiveIterator *iter;
AST_EnumVal *item;
AST_Decl *i;
iter = new UTL_ScopeActiveIterator (this,
IK_decls);
while (!iter->is_done ())
{
i = iter->item ();
item = AST_EnumVal::narrow_from_decl (i);
if (item->constant_value ()->ev ()->u.ulval == v)
{
delete iter;
return item->name ();
}
iter->next ();
}
delete iter;
return NULL;
}
int
be_enum::accept (be_visitor *visitor)
{
return visitor->visit_enum (this);
}
// Narrowing
IMPL_NARROW_METHODS3 (be_enum, AST_Enum, be_scope, be_type)
IMPL_NARROW_FROM_DECL (be_enum)
IMPL_NARROW_FROM_SCOPE (be_enum)
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