path: root/TAO/TAO_IDL/ast/ast_generator.cpp

// $Id$

/*

COPYRIGHT

Copyright 1992, 1993, 1994 Sun Microsystems, Inc.  Printed in the United
States of America.  All Rights Reserved.

This product is protected by copyright and distributed under the following
license restricting its use.

The Interface Definition Language Compiler Front End (CFE) is made
available for your use provided that you include this license and copyright
notice on all media and documentation and the software program in which
this product is incorporated in whole or part. You may copy and extend
functionality (but may not remove functionality) of the Interface
Definition Language CFE without charge, but you are not authorized to
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program developed by you or with the express written consent of Sun
Microsystems, Inc. ("Sun").

The names of Sun Microsystems, Inc. and any of its subsidiaries or
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distribution of Interface Definition Language CFE as permitted herein.

This license is effective until terminated by Sun for failure to comply
with this license.  Upon termination, you shall destroy or return all code
and documentation for the Interface Definition Language CFE.

INTERFACE DEFINITION LANGUAGE CFE IS PROVIDED AS IS WITH NO WARRANTIES OF
ANY KIND INCLUDING THE WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS
FOR A PARTICULAR PURPOSE, NONINFRINGEMENT, OR ARISING FROM A COURSE OF
DEALING, USAGE OR TRADE PRACTICE.

INTERFACE DEFINITION LANGUAGE CFE IS PROVIDED WITH NO SUPPORT AND WITHOUT
ANY OBLIGATION ON THE PART OF Sun OR ANY OF ITS SUBSIDIARIES OR AFFILIATES
TO ASSIST IN ITS USE, CORRECTION, MODIFICATION OR ENHANCEMENT.

SUN OR ANY OF ITS SUBSIDIARIES OR AFFILIATES SHALL HAVE NO LIABILITY WITH
RESPECT TO THE INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY
INTERFACE DEFINITION LANGUAGE CFE OR ANY PART THEREOF.

IN NO EVENT WILL SUN OR ANY OF ITS SUBSIDIARIES OR AFFILIATES BE LIABLE FOR
ANY LOST REVENUE OR PROFITS OR OTHER SPECIAL, INDIRECT AND CONSEQUENTIAL
DAMAGES, EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

Use, duplication, or disclosure by the government is subject to
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*/

// The generator protocol is explained in detail in the IDL CFE
// design document.
// The AST_Generator class provides operations to instantiate any
// of the AST nodes. It contains an operation for every constructor
// of every AST class.

#include "ast_root.h"
#include "ast_valuetype.h"
#include "ast_valuetype_fwd.h"
#include "ast_eventtype.h"
#include "ast_eventtype_fwd.h"
#include "ast_component.h"
#include "ast_component_fwd.h"
#include "ast_home.h"
#include "ast_exception.h"
#include "ast_enum.h"
#include "ast_attribute.h"
#include "ast_union.h"
#include "ast_union_fwd.h"
#include "ast_union_branch.h"
#include "ast_enum_val.h"
#include "ast_array.h"
#include "ast_sequence.h"
#include "ast_string.h"
#include "ast_structure_fwd.h"
#include "ast_native.h"
#include "ast_factory.h"
#include "utl_identifier.h"
#include "nr_extern.h"
#include "ace/OS_NS_wchar.h"

#include "ast_generator.h"

ACE_RCSID (ast, 
           ast_generator, 
           "$Id$")

AST_PredefinedType *
AST_Generator::create_predefined_type (AST_PredefinedType::PredefinedType t,
                                       UTL_ScopedName *n)
{
  AST_PredefinedType *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_PredefinedType (t,
                                      n),
                  0);

  return retval;
}

AST_Module *
AST_Generator::create_module (UTL_Scope *s,
                              UTL_ScopedName *n)
{
 // We create this first so if we find a module with the
  // same name from an included file, we can add its
  // members to the new module's scope.
  AST_Module *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_Module (n),
                  0);

  AST_Decl *d = 0;
  AST_Module *m = 0;

  UTL_ScopeActiveIterator iter (s,
                                UTL_Scope::IK_decls);

  // Check for another module of the same name in this scope.
  while (!iter.is_done ())
    {
      d = iter.item ();

      if (d->node_type () == AST_Decl::NT_module)
        {
          // Does it have the same name as the one we're
          // supposed to create.
          if (d->local_name ()->compare (n->last_component ()))
            {
              m = AST_Module::narrow_from_decl (d);

              // Get m's previous_ member, plus all it's decls,
              // into the new modules's previous_ member.
              retval->add_to_previous (m);
            }
        }

      iter.next ();
    }

  // If this scope is itself a module, and has been previously
  // opened, the previous opening may contain a previous opening
  // of the module we're creating.
  d = ScopeAsDecl (s);
  AST_Decl::NodeType nt = d->node_type ();

  if (nt == AST_Decl::NT_module || nt == AST_Decl::NT_root)
    {
      m = AST_Module::narrow_from_decl (d);

      // AST_Module::previous_ is a set, so it contains each
      // entry only once, but previous_ will contain the decls
      // from all previous openings. See comment in
      // AST_Module::add_to_previous() body.
      d = m->look_in_previous (n->last_component ());

      if (d != 0)
        {
          if (d->node_type () == AST_Decl::NT_module)
            {
              m = AST_Module::narrow_from_decl (d);

              retval->add_to_previous (m);
            }
        }
    }

  return retval;
}

AST_Root *
AST_Generator::create_root (UTL_ScopedName *n)
{
  AST_Root *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_Root (n),
                  0);

  return retval;
}

AST_Interface *
AST_Generator::create_interface (UTL_ScopedName *n,
                                 AST_Interface **inherits,
                                 long n_inherits,
                                 AST_Interface **inherits_flat,
                                 long n_inherits_flat,
                                 idl_bool local,
                                 idl_bool abstract)
{
  AST_Interface *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_Interface (n,
                                 inherits,
                                 n_inherits,
                                 inherits_flat,
                                 n_inherits_flat,
                                 local,
                                 abstract),
                  0);

  return retval;
}

AST_InterfaceFwd *
AST_Generator::create_interface_fwd (UTL_ScopedName *n,
                                     idl_bool local,
                                     idl_bool abstract)
{
  AST_InterfaceFwd *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_InterfaceFwd (this->create_interface (n,
                                                            0,
                                                            -1,
                                                            0,
                                                            0,
                                                            local,
                                                            abstract),
                                    n),
                  0);

  return retval;
}

AST_ValueType *
AST_Generator::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,
                                 long n_supports,
                                 AST_Interface *supports_concrete,
                                 idl_bool abstract,
                                 idl_bool truncatable,
                                 idl_bool custom)
{
  AST_ValueType *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_ValueType (n,
                                 inherits,
                                 n_inherits,
                                 inherits_concrete,
                                 inherits_flat,
                                 n_inherits_flat,
                                 supports,
                                 n_supports,
                                 supports_concrete,
                                 abstract,
                                 truncatable,
                                 custom),
                  0);

  // The following helps with OBV_ namespace generation.
  AST_Module *m = AST_Module::narrow_from_scope (retval->defined_in ());

  if (m != 0)
    {
      m->set_has_nested_valuetype ();
    }

  return retval;
}

AST_ValueTypeFwd *
AST_Generator::create_valuetype_fwd (UTL_ScopedName *n,
                                     idl_bool abstract)
{
  AST_ValueType *dummy = this->create_valuetype (n,
                                                 0,
                                                 -1,
                                                 0,
                                                 0,
                                                 0,
                                                 0,
                                                 0,
                                                 0,
                                                 abstract,
                                                 I_FALSE,
                                                 I_FALSE);

  AST_ValueTypeFwd *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_ValueTypeFwd (dummy,
                                    n),
                  0);

  return retval;
}

AST_EventType *
AST_Generator::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,
                                 long n_supports,
                                 AST_Interface *supports_concrete,
                                 idl_bool abstract,
                                 idl_bool truncatable,
                                 idl_bool custom)
{
  AST_EventType *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_EventType (n,
                                 inherits,
                                 n_inherits,
                                 inherits_concrete,
                                 inherits_flat,
                                 n_inherits_flat,
                                 supports,
                                 n_supports,
                                 supports_concrete,
                                 abstract,
                                 truncatable,
                                 custom),
                  0);

  // The following helps with OBV_ namespace generation.
  AST_Module *m = AST_Module::narrow_from_scope (retval->defined_in ());

  if (m != 0)
    {
      m->set_has_nested_valuetype ();
    }

  return retval;
}

AST_EventTypeFwd *
AST_Generator::create_eventtype_fwd (UTL_ScopedName *n,
                                     idl_bool abstract)
{
  AST_EventType *dummy = this->create_eventtype (n,
                                                 0,
                                                 -1,
                                                 0,
                                                 0,
                                                 0,
                                                 0,
                                                 0,
                                                 0,
                                                 abstract,
                                                 I_FALSE,
                                                 I_FALSE);

  AST_EventTypeFwd *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_EventTypeFwd (dummy,
                                    n),
                  0);

  return retval;
}

AST_Component *
AST_Generator::create_component (UTL_ScopedName *n,
                                 AST_Component *base_component,
                                 AST_Interface **supports,
                                 long n_supports,
                                 AST_Interface **supports_flat,
                                 long n_supports_flat)
{
  AST_Component *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_Component (n,
                                 base_component,
                                 supports,
                                 n_supports,
                                 supports_flat,
                                 n_supports_flat),
                  0);

  return retval;
}

AST_ComponentFwd *
AST_Generator::create_component_fwd (UTL_ScopedName *n)
{
  AST_Component *dummy = this->create_component (n,
                                                 0,
                                                 0,
                                                 -1,
                                                 0,
                                                 0);

  AST_ComponentFwd *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_ComponentFwd (dummy,
                                    n),
                  0);

  return retval;
}

AST_Home *
AST_Generator::create_home (UTL_ScopedName *n,
                            AST_Home *base_home,
                            AST_Component *managed_component,
                            AST_ValueType *primary_key,
                            AST_Interface **supports,
                            long n_supports,
                            AST_Interface **supports_flat,
                            long n_supports_flat)
{
  AST_Home *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_Home (n,
                            base_home,
                            managed_component,
                            primary_key,
                            supports,
                            n_supports,
                            supports_flat,
                            n_supports_flat),
                  0);

  return retval;
}

AST_Exception *
AST_Generator::create_exception (UTL_ScopedName *n,
                                 idl_bool local,
                                 idl_bool abstract)
{
  AST_Exception *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_Exception (n,
                                 local,
                                 abstract),
                  0);

  return retval;
}

AST_Structure *
AST_Generator::create_structure (UTL_ScopedName *n,
                                 idl_bool local,
                                 idl_bool abstract)
{
  AST_Structure *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_Structure (n,
                                 local,
                                 abstract),
                  0);

  return retval;
}

AST_StructureFwd *
AST_Generator::create_structure_fwd (UTL_ScopedName *n)
{
  AST_Structure *dummy = this->create_structure  (n,
                                                  0,
                                                  0);
  AST_StructureFwd *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_StructureFwd (dummy,
                                    n),
                  0);

  return retval;
}

AST_Enum *
AST_Generator::create_enum (UTL_ScopedName *n,
                            idl_bool local,
                            idl_bool abstract)
{
  AST_Enum *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_Enum (n,
                            local,
                            abstract),
                  0);

  return retval;
}

AST_Operation *
AST_Generator::create_operation (AST_Type *rt,
                                 AST_Operation::Flags fl,
                                 UTL_ScopedName *n,
                                 idl_bool local,
                                 idl_bool abstract)
{
  AST_Operation *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_Operation (rt,
                                 fl,
                                 n,
                                 local,
                                 abstract),
                  0);

  return retval;
}

AST_Field *
AST_Generator::create_field (AST_Type *ft,
                             UTL_ScopedName *n,
                             AST_Field::Visibility vis)
{
  AST_Field *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_Field (ft,
                             n,
                             vis),
                  0);

  return retval;
}

AST_Argument *
AST_Generator::create_argument (AST_Argument::Direction d,
                                AST_Type *ft,
                                UTL_ScopedName *n)
{
  AST_Argument *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_Argument (d,
                                ft,
                                n),
                  0);

  return retval;
}

AST_Attribute *
AST_Generator::create_attribute (idl_bool ro,
                                 AST_Type *ft,
                                 UTL_ScopedName *n,
                                 idl_bool local,
                                 idl_bool abstract)
{
  AST_Attribute *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_Attribute (ro,
                                 ft,
                                 n,
                                 local,
                                 abstract),
                  0);

  return retval;
}

AST_Union *
AST_Generator::create_union (AST_ConcreteType *dt,
                             UTL_ScopedName *n,
                             idl_bool local,
                             idl_bool abstract)
{
  AST_Union *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_Union (dt,
                             n,
                             local,
                             abstract),
                  0);

  return retval;
}

AST_UnionFwd *
AST_Generator::create_union_fwd (UTL_ScopedName *n)
{
  AST_Union *dummy = this->create_union (0,
                                         n,
                                         0,
                                         0);
  AST_UnionFwd *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_UnionFwd (dummy,
                                n),
                  0);

  return retval;
}

AST_UnionBranch *
AST_Generator::create_union_branch (UTL_LabelList *ll,
                                    AST_Type *ft,
                                    UTL_ScopedName *n)
{
  AST_UnionBranch *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_UnionBranch (ll,
                                   ft,
                                   n),
                  0);

  return retval;
}

AST_UnionLabel *
AST_Generator::create_union_label (AST_UnionLabel::UnionLabel ul,
                                   AST_Expression *v)
{
  AST_UnionLabel *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_UnionLabel (ul,
                                  v),
                  0);

  return retval;
}

AST_Constant *
AST_Generator::create_constant (AST_Expression::ExprType et,
                                AST_Expression *ev,
                                UTL_ScopedName *n)
{
  AST_Constant *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_Constant (et,
                                ev,
                                n),
                  0);

  return retval;
}

AST_Expression *
AST_Generator::create_expr (UTL_ScopedName *n)
{
  AST_Expression *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_Expression (n),
                  0);

  return retval;
}

AST_Expression *
AST_Generator::create_expr (AST_Expression *v,
                            AST_Expression::ExprType t)
{
  AST_Expression *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_Expression (v,
                                  t),
                  0);

  return retval;
}

AST_Expression  *
AST_Generator::create_expr (AST_Expression::ExprComb c,
                            AST_Expression *v1,
                            AST_Expression *v2)
{
  AST_Expression *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_Expression (c,
                                  v1,
                                  v2),
                  0);

  return retval;
}

AST_Expression *
AST_Generator::create_expr (long v)
{
  AST_Expression *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_Expression (v),
                  0);

  return retval;
}

AST_Expression *
AST_Generator::create_expr (long v,
                            AST_Expression::ExprType t)
{
  AST_Expression *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_Expression (v,
                                  t),
                  0);

  return retval;
}

AST_Expression *
AST_Generator::create_expr (ACE_UINT64 v,
                            AST_Expression::ExprType t)
{
  AST_Expression *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_Expression (v, 
                                  t),
                  0);

  return retval;
}

AST_Expression *
AST_Generator::create_expr (UTL_String *s)
{
  AST_Expression *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_Expression (s),
                  0);

  return retval;
}

AST_Expression *
AST_Generator::create_expr (char c)
{
  AST_Expression *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_Expression (c),
                  0);

  return retval;
}

AST_Expression *
AST_Generator::create_expr (ACE_OutputCDR::from_wchar wc)
{
  AST_Expression *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_Expression (wc),
                  0);

  return retval;
}

AST_Expression *
AST_Generator::create_expr (char *s)
{
  AST_Expression *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_Expression (s),
                  0);

  return retval;
}

AST_Expression *
AST_Generator::create_expr (double d)
{
  AST_Expression *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_Expression (d),
                  0);

  return retval;
}

AST_EnumVal *
AST_Generator::create_enum_val (unsigned long v,
                                UTL_ScopedName *n)
{
  AST_EnumVal *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_EnumVal (v,
                               n),
                  0);

  return retval;
}

AST_Array *
AST_Generator::create_array (UTL_ScopedName *n,
                             unsigned long ndims,
                             UTL_ExprList *dims,
                             idl_bool local,
                             idl_bool abstract)
{
  AST_Array *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_Array (n,
                             ndims,
                             dims,
                             local,
                             abstract),
                  0);

  return retval;
}

AST_Sequence *
AST_Generator::create_sequence (AST_Expression *ms,
                                AST_Type *bt,
                                UTL_ScopedName *n,
                                idl_bool local,
                                idl_bool abstract)
{
  AST_Sequence *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_Sequence (ms,
                                bt,
                                n,
                                local,
                                abstract),
                  0);

  return retval;
}

AST_String *
AST_Generator::create_string (AST_Expression *ms)
{
  Identifier id ("string");
  UTL_ScopedName n (&id,
                    0);

  AST_String *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_String (AST_Decl::NT_string,
                              &n,
                              ms),
                  0);

  return retval;
}

AST_String      *
AST_Generator::create_wstring (AST_Expression *ms)
{
  Identifier id (sizeof (ACE_CDR::WChar) == 1
                   ? "string"
                   : "wstring");
  UTL_ScopedName n (&id,
                    0);
  AST_Decl::NodeType nt = sizeof (ACE_CDR::WChar) == 1
                            ? AST_Decl::NT_string
                            : AST_Decl::NT_wstring;

  AST_String *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_String (nt,
                              &n,
                              ms,
                              sizeof (ACE_OS::WChar)),
                  0);

  return retval;
}

AST_Typedef *
AST_Generator::create_typedef (AST_Type *bt,
                               UTL_ScopedName *n,
                               idl_bool local,
                               idl_bool abstract)
{
  AST_Typedef *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_Typedef (bt,
                               n,
                               local,
                               abstract),
                  0);

  return retval;
}

AST_Native *
AST_Generator::create_native (UTL_ScopedName *n)
{
  AST_Native *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_Native (n),
                  0);

  return retval;
}

AST_Factory *
AST_Generator::create_factory (UTL_ScopedName *n)
{
  AST_Factory *retval = 0;
  ACE_NEW_RETURN (retval,
                  AST_Factory (n),
                  0);

  return retval;
}