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// -*- C++ -*-
//=============================================================================
/**
* @file be_sequence.h
*
* Extension of class AST_Sequence that provides additional means for C++
* mapping.
*
* @author Copyright 1994-1995 by Sun Microsystems
* @author Inc. and Aniruddha Gokhale
*/
//=============================================================================
#ifndef BE_SEQUENCE_H
#define BE_SEQUENCE_H
#include "be_scope.h"
#include "be_type.h"
#include "ast_sequence.h"
class AST_Expression;
class AST_Type;
class be_visitor;
class be_typedef;
class be_field;
// A sequence in OMG IDL does not define a scoping construct just as a struct
// or union or an interface do. However, in the C++ mapping, a sequence becomes
// a class. If the base type of a sequence is another anonymous sequence, then
// the base type is defined in the scope of this sequence. Hence we define
// be_sequence to possess the additional characteristics of a scope.
class be_sequence : public virtual AST_Sequence,
public virtual be_scope,
public virtual be_type
{
public:
enum MANAGED_TYPE
{
MNG_UNKNOWN,
MNG_NONE,
MNG_STRING,
MNG_WSTRING,
MNG_OBJREF,
MNG_VALUE,
MNG_PSEUDO
};
be_sequence (AST_Expression *v,
AST_Type *bt,
UTL_ScopedName *n,
bool local,
bool abstract);
// Non-virtual override of frontend method.
be_type *base_type (void) const;
/// Create a name for ourselves. If we are typedefed, then we get the name of
/// the typedef node, else we generate a name for ourselves.
virtual int create_name (be_typedef *node);
/// Return the managed type.
virtual MANAGED_TYPE managed_type (void);
// Scope management functions.
virtual AST_Sequence *fe_add_sequence (AST_Sequence *);
/// Overridden method on the be_scope class.
virtual be_decl *decl (void);
/// Overridden from class be_type.
virtual void gen_ostream_operator (TAO_OutStream *os,
bool use_underscore);
/// Cleanup method.
virtual void destroy (void);
// Visiting.
virtual int accept (be_visitor *visitor);
// Narrowing.
DEF_NARROW_FROM_DECL (be_sequence);
/// Report the instance name for instantiation.
const char *instance_name (void);
/// Common code for generating the name and parameters of our
/// template sequence base class.
int gen_base_class_name (TAO_OutStream *os,
const char * linebreak,
AST_Decl *elem_scope);
/// Accessors for the member.
be_field *field_node (void) const;
void field_node (be_field *node);
/// Helper to create_name, also used by the traits visitor.
virtual char *gen_name (void);
protected:
/// Computes the fully scoped typecode name.
virtual void compute_tc_name (void);
private:
const char *smart_fwd_helper_name (AST_Decl *elem_scope,
be_type *elem);
private:
/// Our managed type.
MANAGED_TYPE mt_;
/// Used if we are an anonymous member, to help generate a unique name.
be_field *field_node_;
};
#endif
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