// This may look like C, but it's really -*- C++ -*-
// $Id: ast_generator.h 73110 2006-06-15 18:56:10Z parsons $
/*

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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 "idl_uns_long.h"

class UTL_LabelList;
class UTL_ExprList;
class AST_Root;
class AST_EventType;
class AST_EventTypeFwd;

// Defines base class for node generators.

class TAO_IDL_FE_Export AST_Generator
{
public:

  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_Interface **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_Interface **inherits,
      long n_inherits,
      AST_ValueType *inherits_concrete,
      AST_Interface **inherits_flat,
      long n_inherits_flat,
      AST_Interface **supports_list,
      long n_supports,
      AST_Interface *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_Interface **inherits,
      long n_inherits,
      AST_ValueType *inherits_concrete,
      AST_Interface **inherits_flat,
      long n_inherits_flat,
      AST_Interface **supports_list,
      long n_supports,
      AST_Interface *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_Interface **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_ValueType *primary_key,
      AST_Interface **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 (long v);

  virtual AST_Expression *create_expr (bool b);

  virtual AST_Expression *create_expr (idl_uns_long 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 (char c);

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

  virtual AST_Expression *create_expr (double d);

  // Create a node representing an enumerator.
  virtual AST_EnumVal *create_enum_val (unsigned long v,
                                        UTL_ScopedName *n);

  // Create a node representing an array type.
  virtual AST_Array *create_array (UTL_ScopedName *n,
                                   unsigned long 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);

  // 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 factory construct.
  virtual AST_Factory *create_factory (UTL_ScopedName *n);

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

#endif           // _AST_GENERATOR_AST_GENERATOR_HH
