// This may look like C, but it's really -*- C++ -*-
/*

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This product is protected by copyright and distributed under the following
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*/

#ifndef _AST_GENERATOR_AST_GENERATOR_HH
#define _AST_GENERATOR_AST_GENERATOR_HH

#include "ast_operation.h"
#include "ast_argument.h"
#include "ast_predefined_type.h"
#include "ast_union_label.h"
#include "ast_porttype.h"

#include "fe_utils.h"

class UTL_LabelList;
class UTL_ExprList;
class AST_Root;
class AST_EventType;
class AST_EventTypeFwd;
class AST_Extended_Port;
class AST_Mirror_Port;
class AST_Connector;
class AST_Provides;
class AST_Uses;
class AST_Publishes;
class AST_Emits;
class AST_Consumes;
class AST_Template_Module;
class AST_Template_Module_Inst;
class AST_Template_Module_Ref;
class AST_Param_Holder;
class AST_Finder;
class AST_Fixed;

// Defines base class for node generators.

class TAO_IDL_FE_Export AST_Generator
{
public:
  AST_Generator (void) {}

  virtual ~AST_Generator (void) {}

  // Operations.

  // Create a node representing a predefined type.
  virtual AST_PredefinedType *create_predefined_type (
      AST_PredefinedType::PredefinedType t,
      UTL_ScopedName *n);

  // Create a node representing a module.
  virtual AST_Module *create_module (UTL_Scope *s,
                                     UTL_ScopedName *n);

  // Create a node representing a module which is the root of an AST.
  virtual AST_Root *create_root (UTL_ScopedName *n);

  // Create a node representing an interface.
  virtual AST_Interface *create_interface (
      UTL_ScopedName *n,
      AST_Type **inherits,
      long n_inherits,
      AST_Interface **inherits_flat,
      long n_inherits_flat,
      bool is_local,
      bool is_abstract);

  // Create a node representing a forward declaration of an interface.
  virtual AST_InterfaceFwd *create_interface_fwd (
      UTL_ScopedName *n,
      bool is_local,
      bool is_abstract);

  // Create a node representing a valuetype.
  virtual AST_ValueType *create_valuetype (
      UTL_ScopedName *n,
      AST_Type **inherits,
      long n_inherits,
      AST_Type *inherits_concrete,
      AST_Interface **inherits_flat,
      long n_inherits_flat,
      AST_Type **supports_list,
      long n_supports,
      AST_Type *supports_concrete,
      bool is_abstract,
      bool is_truncatable,
      bool is_custom);

  // Create a node representing a forward declaration of a valuetype.
  virtual AST_ValueTypeFwd *create_valuetype_fwd (
      UTL_ScopedName *n,
      bool is_abstract);

  // Create a node representing an eventtype.
  virtual AST_EventType *create_eventtype (
      UTL_ScopedName *n,
      AST_Type **inherits,
      long n_inherits,
      AST_Type *inherits_concrete,
      AST_Interface **inherits_flat,
      long n_inherits_flat,
      AST_Type **supports_list,
      long n_supports,
      AST_Type *supports_concrete,
      bool is_abstract,
      bool is_truncatable,
      bool is_custom);

  // Create a node representing a forward declaration of an eventtype.
  virtual AST_EventTypeFwd *create_eventtype_fwd (
      UTL_ScopedName *n,
      bool is_abstract);

  // Create a node representing a component.
  virtual AST_Component *create_component (
      UTL_ScopedName *n,
      AST_Component *base_component,
      AST_Type **supports_list,
      long n_supports,
      AST_Interface **supports_flat,
      long n_supports_flat);

  // Create a node representing a forward declaration of a component.
  virtual AST_ComponentFwd *create_component_fwd (
      UTL_ScopedName *n);

  // Create a node representing a component home.
  virtual AST_Home *create_home (
      UTL_ScopedName *n,
      AST_Home *base_home,
      AST_Component *managed_component,
      AST_Type *primary_key,
      AST_Type **support_lists,
      long n_supports,
      AST_Interface **supports_flat,
      long n_supports_flat);

  // Create a node representing an exception.
  virtual AST_Exception *create_exception (
      UTL_ScopedName *n,
      bool is_local,
      bool is_abstract);

  // Create a node representing a structure.
  virtual AST_Structure *create_structure (
      UTL_ScopedName *n,
      bool is_local,
      bool is_abstract);

  // Create a node representing a forward declaration of a structure.
  virtual AST_StructureFwd *create_structure_fwd (UTL_ScopedName *n);

  // Create a node representing an enum.
  virtual AST_Enum *create_enum (UTL_ScopedName *n,
                                 bool is_local,
                                 bool is_abstract);

  // Create a node representing an operation on an interface.
  virtual AST_Operation *create_operation (
      AST_Type *rt,
      AST_Operation::Flags fl,
      UTL_ScopedName *n,
      bool is_local,
      bool is_abstract);

  // Create a node representing a field in a structure, exception or
  // union.
  virtual AST_Field *create_field (AST_Type *ft,
                                   UTL_ScopedName *n,
                                   AST_Field::Visibility vis =
                                     AST_Field::vis_NA);

  // Create a node representing an argument to an operation.
  virtual AST_Argument *create_argument (
      AST_Argument::Direction d,
      AST_Type *ft,
      UTL_ScopedName *n);

  // Create a node representing an attribute.
  virtual AST_Attribute *create_attribute (
      bool ro,
      AST_Type *ft,
      UTL_ScopedName *n,
      bool is_local,
      bool is_abstract);

  // Create a node representing a union.
  virtual AST_Union *create_union (AST_ConcreteType *dt,
                                   UTL_ScopedName *n,
                                   bool is_local,
                                   bool is_abstract);

  // Create a node representing a forward declaration of a union.
  virtual AST_UnionFwd *create_union_fwd (UTL_ScopedName *n);

  // Create a node representing one branch in a union.
  virtual AST_UnionBranch *create_union_branch (
      UTL_LabelList *ll,
      AST_Type *ft,
      UTL_ScopedName *n);

  // Create a node representing a label on a union branch.
  virtual AST_UnionLabel *create_union_label (AST_UnionLabel::UnionLabel ul,
                                              AST_Expression *lv);

  // Create a node representing a constant
  virtual AST_Constant *create_constant (
      AST_Expression::ExprType et,
      AST_Expression *ev,
      UTL_ScopedName *n);

  // Create various kinds of nodes representing expressions.

  virtual AST_Expression *create_expr (UTL_ScopedName *n);

  virtual AST_Expression *create_expr (AST_Expression *v,
                                       AST_Expression::ExprType t);

  virtual AST_Expression *create_expr (AST_Expression::ExprComb c,
                                       AST_Expression *v1,
                                       AST_Expression *v2);

  virtual AST_Expression *create_expr (ACE_CDR::Long v);

  virtual AST_Expression *create_expr (ACE_CDR::LongLong v);

  virtual AST_Expression *create_expr (ACE_CDR::Boolean b);

  virtual AST_Expression *create_expr (ACE_CDR::ULong v);

  virtual AST_Expression *create_expr (ACE_CDR::ULongLong v);

  virtual AST_Expression *create_expr (ACE_CDR::ULong v,
                                       AST_Expression::ExprType t);

  virtual AST_Expression *create_expr (UTL_String *s);

  virtual AST_Expression *create_expr (char *s);

  virtual AST_Expression *create_expr (ACE_CDR::Char c);

  virtual AST_Expression *create_expr (ACE_OutputCDR::from_wchar wc);

  virtual AST_Expression *create_expr (ACE_CDR::Double d);

  virtual AST_Expression *create_expr (const ACE_CDR::Fixed &f);

  // Create a node representing an enumerator.
  virtual AST_EnumVal *create_enum_val (ACE_CDR::ULong v,
                                        UTL_ScopedName *n);

  // Create a node representing an array type.
  virtual AST_Array *create_array (UTL_ScopedName *n,
                                   ACE_CDR::ULong ndims,
                                   UTL_ExprList *dims,
                                   bool is_local,
                                   bool is_abstract);

  // Create a node representing a sequence type.
  virtual AST_Sequence *create_sequence (AST_Expression *v,
                                         AST_Type *bt,
                                         UTL_ScopedName *n,
                                         bool is_local,
                                         bool is_abstract);

  // Create a node representing a string type.
  virtual AST_String *create_string (AST_Expression *v);

  // Create a node representing a wide string type.
  virtual AST_String *create_wstring (AST_Expression *v);

  virtual AST_Fixed *create_fixed (AST_Expression *digits,
                                   AST_Expression *scale);

  // Create a node representing a type renaming (typedef).
  virtual AST_Typedef *create_typedef (AST_Type *bt,
                                       UTL_ScopedName *n,
                                       bool is_local,
                                       bool is_abstract);

  // Create a node representing a native.
  virtual AST_Native *create_native (UTL_ScopedName *n);

  // Create a node representing an OBV or home factory construct.
  virtual AST_Factory *create_factory (UTL_ScopedName *n);

  // Create a node representing an home finder construct.
  virtual AST_Finder *create_finder (UTL_ScopedName *n);

  // Create a node representing a valuebox.
  virtual AST_ValueBox *create_valuebox (UTL_ScopedName *n,
                                         AST_Type *boxed_type);

  virtual
  AST_PortType *create_porttype (UTL_ScopedName *n);

  virtual
  AST_Provides *create_provides (UTL_ScopedName *n,
                                 AST_Type *provides_type);

  virtual
  AST_Uses *create_uses (UTL_ScopedName *n,
                         AST_Type *uses_type,
                         bool is_multiple);

  virtual
  AST_Publishes *create_publishes (UTL_ScopedName *n,
                                   AST_Type *publishes_type);

  virtual
  AST_Emits *create_emits (UTL_ScopedName *n,
                           AST_Type *emits_type);

  virtual
  AST_Consumes *create_consumes (UTL_ScopedName *n,
                                 AST_Type *consumes_type);

  virtual
  AST_Extended_Port *create_extended_port (
    UTL_ScopedName *n,
    AST_PortType *porttype_ref);

  virtual
  AST_Mirror_Port *create_mirror_port (
    UTL_ScopedName *n,
    AST_PortType *porttype_ref);

  virtual
  AST_Connector *create_connector (
    UTL_ScopedName  *n,
    AST_Connector *base_connector);

  virtual
  AST_Template_Module *create_template_module (
    UTL_ScopedName *n,
    FE_Utils::T_PARAMLIST_INFO *template_params);

  virtual
  AST_Template_Module_Inst *create_template_module_inst (
    UTL_ScopedName *n,
    AST_Template_Module *ref,
    FE_Utils::T_ARGLIST *template_args);

  virtual
  AST_Template_Module_Ref *create_template_module_ref (
    UTL_ScopedName *n,
    AST_Template_Module *ref,
    UTL_StrList *param_refs);

  virtual
  AST_Param_Holder *create_param_holder (
    UTL_ScopedName *parameter_name,
    FE_Utils::T_Param_Info *info);
};

#endif           // _AST_GENERATOR_AST_GENERATOR_HH
