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