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/* -*- c++ -*- */
//=============================================================================
/**
* @file union.h
*
* Visitor for the Union class.
* This one is a generic visitor.
*
* @author Aniruddha Gokhale
*/
//=============================================================================
#ifndef _BE_VISITOR_UNION_UNION_H_
#define _BE_VISITOR_UNION_UNION_H_
/**
* @class be_visitor_union
*
* @brief be_visitor_union
*
* This is the base visitor for union
*/
class be_visitor_union : public be_visitor_scope
{
public:
/// constructor
be_visitor_union (be_visitor_context *ctx);
/// destructor
~be_visitor_union ();
/// visit union. We provide code for this method in the derived class
virtual int visit_union (be_union *node);
// =visit operations on syntactically valid elements in our scope
/// visit union_branch
virtual int visit_union_branch (be_union_branch *node);
enum BoolUnionBranch { BUB_NONE, BUB_UNCONDITIONAL, BUB_TRUE, BUB_FALSE };
static BoolUnionBranch boolean_branch (be_union_branch *b);
};
#endif /* _BE_VISITOR_UNION_UNION_H_ */
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