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// $Id$
/* -*- c++ -*- */
// ============================================================================
//
// = LIBRARY
// TAO_IDL3_TO_IDL2_BE_DLL
//
// = FILENAME
// basic_visitor.h
//
// = DESCRIPTION
// Base class for other visitors in this backend.
//
// ============================================================================
#ifndef TAO_BASIC_VISITOR_H
#define TAO_BASIC_VISITOR_H
#include "ast_visitor.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "TAO_IDL3_TO_IDL2_BE_Export.h"
#include "ace/SString.h"
class TAO_OutStream;
class UTL_ExceptList;
class TAO_IDL3_TO_IDL2_BE_Export basic_visitor : public ast_visitor
{
//
// = TITLE
// basic_visitor.
//
// = DESCRIPTION
// Base class for visitors in this backend and others.
//
public:
basic_visitor (void);
virtual ~basic_visitor (void);
virtual int visit_decl (AST_Decl *d);
virtual int visit_scope (UTL_Scope *node);
virtual int visit_type (AST_Type *node);
virtual int visit_predefined_type (AST_PredefinedType *node);
virtual int visit_module (AST_Module *node) = 0;
virtual int visit_interface (AST_Interface *node) = 0;
virtual int visit_interface_fwd (AST_InterfaceFwd *node);
virtual int visit_valuebox (AST_ValueBox *node);
virtual int visit_valuetype (AST_ValueType *node);
virtual int visit_valuetype_fwd (AST_ValueTypeFwd *node);
virtual int visit_component (AST_Component *node) = 0;
virtual int visit_component_fwd (AST_ComponentFwd *node) = 0;
virtual int visit_template_module (AST_Template_Module *node);
virtual int visit_template_module_inst (AST_Template_Module_Inst *node);
virtual int visit_template_module_ref (AST_Template_Module_Ref *node);
virtual int visit_porttype (AST_PortType *node);
virtual int visit_provides (AST_Provides *node);
virtual int visit_uses (AST_Uses *node);
virtual int visit_publishes (AST_Publishes *node);
virtual int visit_emits (AST_Emits *node);
virtual int visit_consumes (AST_Consumes *node);
virtual int visit_extended_port (AST_Extended_Port *node) = 0;
virtual int visit_mirror_port (AST_Mirror_Port *node) = 0;
virtual int visit_connector (AST_Connector *node) = 0;
virtual int visit_eventtype (AST_EventType *node) = 0;
virtual int visit_eventtype_fwd (AST_EventTypeFwd *node) = 0;
virtual int visit_home (AST_Home *node) = 0;
virtual int visit_factory (AST_Factory *node);
virtual int visit_finder (AST_Finder *node);
virtual int visit_structure (AST_Structure *node);
virtual int visit_structure_fwd (AST_StructureFwd *node);
virtual int visit_exception (AST_Exception *node);
virtual int visit_expression (AST_Expression *node);
virtual int visit_enum (AST_Enum *node);
virtual int visit_operation (AST_Operation *node);
virtual int visit_field (AST_Field *node);
virtual int visit_argument (AST_Argument *node);
virtual int visit_attribute (AST_Attribute *node);
virtual int visit_union (AST_Union *node);
virtual int visit_union_fwd (AST_UnionFwd *node);
virtual int visit_union_branch (AST_UnionBranch *node);
virtual int visit_union_label (AST_UnionLabel *node);
virtual int visit_constant (AST_Constant *node);
virtual int visit_enum_val (AST_EnumVal *node);
virtual int visit_array (AST_Array *node);
virtual int visit_sequence (AST_Sequence *node);
virtual int visit_string (AST_String *node);
virtual int visit_typedef (AST_Typedef *node);
virtual int visit_root (AST_Root *node) = 0;
virtual int visit_native (AST_Native *node);
virtual int visit_param_holder (AST_Param_Holder *node);
protected:
void check_prefix (AST_Decl *d);
void check_id_and_version (AST_Decl *d);
const char *type_name (AST_Type *t);
void gen_anonymous_array (AST_Type *array, AST_Decl *wrapper);
void gen_params (UTL_Scope *s, int arg_count);
void gen_exception_list (UTL_ExceptList *exceptions,
const char *prefix = "",
bool closed = true);
void gen_operation (AST_Operation *node);
void gen_attribute (AST_Attribute *node);
void gen_label_value (AST_UnionLabel *node);
// Overrides allow common code for visit_scope().
virtual bool scope_skip_type (AST_Decl *d);
// Used by derived visitors to avoid generating an empty IDL module.
bool can_skip_module (AST_Module *m);
// Used by derived visitors to check for special include handling.
bool match_excluded_file (const char *raw_filename);
protected:
TAO_OutStream *os;
AST_Type *disc_type_;
private:
ACE_CString tmp_retval_;
};
#endif // TAO_BASIC_VISITOR_H
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