/*

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Copyright 1992, 1993, 1994 Sun Microsystems, Inc.  Printed in the United
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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
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INTERFACE DEFINITION LANGUAGE CFE IS PROVIDED AS IS WITH NO WARRANTIES OF
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*/

// AST_Array nodes denote array type and field modifiers.
// AST_Array nodes have a list of dimensions (a UTL_ExprList)
// a count of the number of dimensions and a base type (a
// subtype of AST_ConcreteType. This means that we cannot have
// arrays of AST_Interfaces???

#include "ast_array.h"
#include "ast_expression.h"
#include "ast_param_holder.h"
#include "ast_visitor.h"

#include "utl_exprlist.h"
#include "utl_identifier.h"
#include "ace/Log_Msg.h"
#include "ace/OS_Memory.h"

AST_Decl::NodeType const
AST_Array::NT = AST_Decl::NT_array;

AST_Array::AST_Array (UTL_ScopedName *n,
                      ACE_CDR::ULong nd,
                      UTL_ExprList *ds,
                      bool local,
                      bool abstract)
  : COMMON_Base (local,
                 abstract),
    AST_Decl (AST_Decl::NT_array,
              n,
              true),
    AST_Type (AST_Decl::NT_array,
              n),
    AST_ConcreteType (AST_Decl::NT_array,
                      n),
    pd_n_dims (nd),
    pd_base_type (nullptr),
    owns_base_type_ (false)
{
  this->pd_dims = this->compute_dims (ds,
                                      nd);
}

AST_Array::~AST_Array ()
{
}

// Private operations.

// Compute how many dimensions there are and collect their expressions
// into an array.
AST_Expression **
AST_Array::compute_dims (UTL_ExprList *ds,
                         ACE_CDR::ULong nds)
{
  if (ds == nullptr)
    {
      return nullptr;
    }

  AST_Expression **result = nullptr;
  ACE_NEW_RETURN (result,
                  AST_Expression *[nds],
                  nullptr);

  UTL_ExprlistActiveIterator iter (ds);

  for (ACE_CDR::ULong i = 0;
       !iter.is_done () && i < nds;
       iter.next (), i++)
    {
      AST_Expression *orig = iter.item ();
      AST_Param_Holder *ph = orig->param_holder ();

      AST_Expression::ExprType ex_type =
        (ph == nullptr ? orig->ev ()->et : ph->info ()->const_type_);

      AST_Expression *copy = nullptr;
      ACE_NEW_RETURN (copy,
                      AST_Expression (orig,
                                      ex_type),
                      nullptr);

      result[i] = copy;
    }

  return result;
}

// Redefinition of inherited virtual operations.

// Dump this AST_Array node to the ostream o.
void
AST_Array::dump (ACE_OSTREAM_TYPE &o)
{
  pd_base_type->dump (o);

  this->dump_i (o, " ");

  this->local_name ()->dump (o);

  for (ACE_CDR::ULong i = 0; i < this->pd_n_dims; i++)
    {
      this->dump_i (o, "[");

      pd_dims[i]->dump (o);

      this->dump_i (o, "]");
    }
}

int
AST_Array::ast_accept (ast_visitor *visitor)
{
  return visitor->visit_array (this);
}

// Compute the size type of the node in question.
int
AST_Array::compute_size_type ()
{
  AST_Type *type = this->base_type ();

  if (!type)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_array::compute_size_type - "
                         "bad base type\n"),
                        -1);
    }

  // Our size type is the same as our type.
  this->size_type (type->size_type ());

  this->has_constructor (type->has_constructor ());

  return 0;
}

// Data accessors.
ACE_CDR::ULong
AST_Array::n_dims ()
{
  return this->pd_n_dims;
}

AST_Expression **
AST_Array::dims ()
{
  return this->pd_dims;
}

AST_Type *
AST_Array::base_type () const
{
  return this->pd_base_type;
}

void
AST_Array::set_base_type (AST_Type *nbt)
{
  this->pd_base_type = nbt;
  this->is_local_ = nbt->is_local ();
  AST_Decl::NodeType bnt = nbt->node_type ();

  if (bnt == AST_Decl::NT_sequence
      || bnt == AST_Decl::NT_param_holder)
    {
      this->owns_base_type_ = true;
    }
}

bool
AST_Array::legal_for_primary_key () const
{
  return this->base_type ()->legal_for_primary_key ();
}

void
AST_Array::destroy ()
{
  if (this->owns_base_type_)
    {
      this->pd_base_type->destroy ();
      delete this->pd_base_type;
      this->pd_base_type = nullptr;
    }

  for (ACE_CDR::ULong i = 0; i < this->pd_n_dims; ++i)
    {
      this->pd_dims[i]->destroy ();
      delete this->pd_dims[i];
      this->pd_dims[i] = nullptr;
    }

  delete [] this->pd_dims;
  this->pd_dims = nullptr;
  this->pd_n_dims = 0;

  this->AST_ConcreteType::destroy ();
}

void
AST_Array::set_dims (AST_Expression **ds,
                     ACE_CDR::ULong nds)
{
  this->pd_dims = ds;
  this->pd_n_dims = nds;
}

AST_Annotation_Appls &
AST_Array::base_type_annotations ()
{
  return base_type_annotations_;
}

void
AST_Array::base_type_annotations (const AST_Annotation_Appls &annotations)
{
  base_type_annotations_ = annotations;
}