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//
// $Id$
//
/* -*- c++ -*- */
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// valuetype.h
//
// = DESCRIPTION
// Concrete visitor for the Valuetype node.
// This one provides the generic visitor for valuetypes from which others
// will inherit.
//
// = AUTHOR
// Torsten Kuepper <kuepper2@lfa.uni-wuppertal.de>
// based on interface.h from Aniruddha Gokhale
//
// ============================================================================
#ifndef _BE_VALUETYPE_VALUETYPE_H_
#define _BE_VALUETYPE_VALUETYPE_H_
class be_visitor_valuetype : public be_visitor_scope
{
//
// = TITLE
// be_visitor_valuetype
//
// = DESCRIPTION
// This is a concrete visitor for valuetype that abstracts all common tasks
//
public:
be_visitor_valuetype (be_visitor_context *ctx);
// constructor
~be_visitor_valuetype (void);
// destructor
public:
virtual int visit_valuetype_scope (be_valuetype *node);
// visit the scope of the valuetype node
// (in public/private field order)
virtual void begin_public ();
virtual void begin_private ();
// =visit methods on all elements syntactically valid in a Valuetype scope
virtual int visit_attribute (be_attribute *node);
// visit attribute
virtual int visit_constant (be_constant *node);
// visit a constant
virtual int visit_enum (be_enum *node);
// visit an enum
virtual int visit_exception (be_exception *node);
// visit exception (not used)
virtual int visit_structure (be_structure *node);
// visit a structure
virtual int visit_structure_fwd (be_structure_fwd *node);
// visit a forward declared structure
virtual int visit_union (be_union *node);
// visit a union
virtual int visit_union_fwd (be_union_fwd *node);
// visit a forward declared union
virtual int visit_typedef (be_typedef *node);
// visit the typedef node
virtual int visit_field (be_field *node);
// visit a field
// =helper methods for generation of fields
int gen_pd (be_valuetype *node);
// private data fields for scope
int gen_field_pd (be_field *node);
// private data for field
virtual int gen_init_defn (be_valuetype *node);
// generate the _init class definition
virtual int gen_init_impl (be_valuetype *node);
// generate the _init implementation
void gen_obv_init_constructor_args (be_valuetype *node,
unsigned long &index);
// Recursively generate args for the initializing constuctor.
protected:
static bool obv_need_ref_counter (be_valuetype *node);
// check is VT needs a RefCounter mix-in in OBV_ class
// suppose that we are deciding for this node
static bool obv_have_ref_counter (be_valuetype *node);
// recurse down the inheritance tree to see
// if node or one of its OBV_ base class already has RefCounter
bool is_amh_exception_holder (be_valuetype *node);
// Predicate common to _ch and _cs visitors.
};
#endif /* _BE_VALUETYPE_VALUETYPE_H_ */
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