//
// field_cdr_ch.cpp,v 1.2 2002/01/06 05:50:44 mayur Exp
//

// ============================================================================
//
// = LIBRARY
//    TAO IDL
//
// = FILENAME
//    field_cdr_ch.cpp
//
// = DESCRIPTION
//    Visitor generating code for Field in the client header file.
//
// = AUTHOR
//    Jeff Parsons
//
// ============================================================================

#include        "idl.h"
#include        "idl_extern.h"
#include        "be.h"

#include "be_visitor_field.h"

ACE_RCSID(be_visitor_valuetype, field_cdr_op_ch, "field_cdr_ch.cpp,v 1.2 2002/01/06 05:50:44 mayur Exp")


// **********************************************
//  visitor for field in the client header file
// **********************************************

// constructor
be_visitor_valuetype_field_cdr_ch::be_visitor_valuetype_field_cdr_ch (be_visitor_context *ctx)
  : be_visitor_decl (ctx),
    pre_ (""), post_ ("")
{
}

// destructor
be_visitor_valuetype_field_cdr_ch::~be_visitor_valuetype_field_cdr_ch (void)
{
}

// visit the field node
int
be_visitor_valuetype_field_cdr_ch::visit_field (be_field *node)
{
  be_type *bt = be_type::narrow_from_decl (node->field_type ());
  if (!bt)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuetype_field_cdr_ch::"
                         "visit_field - "
                         "Bad field type\n"
                         ), -1);
    }

  this->ctx_->node (node); // save the node
  if (bt->accept (this) == -1)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuetype_field_cdr_ch::"
                         "visit_field - "
                         "codegen for field type failed\n"
                         ), -1);
    }

  return 0;
}

// =visit operations on all possible data types  that a field can be

// visit array type
int
be_visitor_valuetype_field_cdr_ch::visit_array (be_array *node)
{
  // if not a typedef and we are defined in the use scope, we must be defined

  if (!this->ctx_->alias () // not a typedef
      && node->is_child (this->ctx_->scope ()))
    {
      // this is the case for anonymous arrays.

      // instantiate a visitor context with a copy of our context. This info
      // will be modified based on what type of node we are visiting
      be_visitor_context ctx (*this->ctx_);
      ctx.node (node); // set the node to be the node being visited. The scope
                       // is still the same

      // first generate the struct declaration
      ctx.state (TAO_CodeGen::TAO_ARRAY_CDR_OP_CH);
      be_visitor *visitor = tao_cg->make_visitor (&ctx);
      if (!visitor)
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                             "(%N:%l) be_visitor_valuetype_field_cdr_ch::"
                             "visit_array - "
                             "Bad visitor\n"
                             ), -1);
        }
      if (node->accept (visitor) == -1)
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                             "(%N:%l) be_visitor_valuetype_field_cdr_ch::"
                             "visit_array - "
                             "codegen failed\n"
                             ), -1);
        }
      delete visitor;
    }

  return 0;
}

// visit enum type
int
be_visitor_valuetype_field_cdr_ch::visit_enum (be_enum *node)
{
  // if not a typedef and we are defined in the use scope, we must be defined
  if (!this->ctx_->alias () // not a typedef
      && node->is_child (this->ctx_->scope ()))
    {
      // instantiate a visitor context with a copy of our context. This info
      // will be modified based on what type of node we are visiting
      be_visitor_context ctx (*this->ctx_);
      ctx.node (node); // set the node to be the node being visited. The scope
                       // is still the same

      // first generate the enum declaration
      ctx.state (TAO_CodeGen::TAO_ENUM_CDR_OP_CH);
      be_visitor *visitor = tao_cg->make_visitor (&ctx);
      if (!visitor)
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                             "(%N:%l) be_visitor_valuetype_field_cdr_ch::"
                             "visit_enum - "
                             "Bad visitor\n"
                             ), -1);
        }
      if (node->accept (visitor) == -1)
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                             "(%N:%l) be_visitor_valuetype_field_cdr_ch::"
                             "visit_enum - "
                             "codegen failed\n"
                             ), -1);
        }
      delete visitor;
    }

  return 0;
}

// visit sequence type
int
be_visitor_valuetype_field_cdr_ch::visit_sequence (be_sequence *node)
{
  // if not a typedef and we are defined in the use scope, we must be defined
  if (!this->ctx_->alias () // not a typedef
      && node->is_child (this->ctx_->scope ()))
    {
      // instantiate a visitor context with a copy of our context. This info
      // will be modified based on what type of node we are visiting
      be_visitor_context ctx (*this->ctx_);
      ctx.node (node); // set the node to be the node being visited. The scope
                       // is still the same

      // first generate the sequence declaration
      ctx.state (TAO_CodeGen::TAO_SEQUENCE_CDR_OP_CH);
      be_visitor *visitor = tao_cg->make_visitor (&ctx);
      if (!visitor)
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                             "(%N:%l) be_visitor_valuetype_field_cdr_ch::"
                             "visit_sequence - "
                             "Bad visitor\n"
                             ), -1);
        }
      if (node->accept (visitor) == -1)
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                             "(%N:%l) be_visitor_valuetype_field_cdr_ch::"
                             "visit_sequence - "
                             "codegen failed\n"
                             ), -1);
        }
      delete visitor;
    }

  return 0;
}

// visit structure type
int
be_visitor_valuetype_field_cdr_ch::visit_structure (be_structure *node)
{
  // if not a typedef and we are defined in the use scope, we must be defined

  if (!this->ctx_->alias () // not a typedef
      && node->is_child (this->ctx_->scope ()))
    {
      // instantiate a visitor context with a copy of our context. This info
      // will be modified based on what type of node we are visiting
      be_visitor_context ctx (*this->ctx_);
      ctx.node (node); // set the node to be the node being visited. The scope
                       // is still the same

      // first generate the struct declaration
      ctx.state (TAO_CodeGen::TAO_STRUCT_CDR_OP_CH);
      be_visitor *visitor = tao_cg->make_visitor (&ctx);
      if (!visitor)
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                             "(%N:%l) be_visitor_valuetype_field_cdr_ch::"
                             "visit_struct - "
                             "Bad visitor\n"
                             ), -1);
        }
      if (node->accept (visitor) == -1)
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                             "(%N:%l) be_visitor_valuetype_field_cdr_ch::"
                             "visit_struct - "
                             "codegen failed\n"
                             ), -1);
        }
      delete visitor;
    }

  return 0;
}

// visit typedefed type
int
be_visitor_valuetype_field_cdr_ch::visit_typedef (be_typedef *node)
{
  // save the node for use in code generation and
  // indicate that the field of the field node
  // is a typedefed quantity
  this->ctx_->alias (node);

  // make a decision based on the primitive base type
  be_type *bt = node->primitive_base_type ();
  if (!bt || (bt->accept (this) == -1))
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuetype_field_cdr_ch::"
                         "visit_typedef - "
                         "Bad primitive type\n"
                         ), -1);
    }
  this->ctx_->alias (0);
  return 0;
}

// visit union type
int
be_visitor_valuetype_field_cdr_ch::visit_union (be_union *node)
{
  // if not a typedef and we are defined in the use scope, we must be defined
  if (!this->ctx_->alias () // not a typedef
      && node->is_child (this->ctx_->scope ()))
    {
      // instantiate a visitor context with a copy of our context. This info
      // will be modified based on what type of node we are visiting
      be_visitor_context ctx (*this->ctx_);
      ctx.node (node); // set the node to be the node being visited. The scope
                       // is still the same

      // first generate the enum declaration
      ctx.state (TAO_CodeGen::TAO_UNION_CDR_OP_CH);
      be_visitor *visitor = tao_cg->make_visitor (&ctx);
      if (!visitor)
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                             "(%N:%l) be_visitor_valuetype_field_cdr_ch::"
                             "visit_enum - "
                             "Bad visitor\n"
                             ), -1);
        }
      if (node->accept (visitor) == -1)
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                             "(%N:%l) be_visitor_valuetype_field_cdr_ch::"
                             "visit_enum - "
                             "codegen failed\n"
                             ), -1);
        }
      delete visitor;
    }

  return 0;
}

