// ast_argument.cpp,v 1.17 2003/11/10 20:29:20 dhinton Exp

/*

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*/

// AST_Argument nodes denote arguments to an operation. They
// are AST_Fields with directions. Thus, they have a name
// (an UTL_ScopedName) and a type (a subclass of AST_Type).
// Additionally they have a direction field which takes values
// from the enum AST_Argument::Direction.

#include "ast_argument.h"
#include "ast_visitor.h"

ACE_RCSID (ast,
           ast_argument,
           "ast_argument.cpp,v 1.17 2003/11/10 20:29:20 dhinton Exp")

// Static functions.

// Convert an enum Direction value to a char *.
static const char *
direction_to_string (AST_Argument::Direction d)
{
  switch (d)
    {
    case AST_Argument::dir_IN:
      return "in";
    case AST_Argument::dir_OUT:
      return "out";
    case AST_Argument::dir_INOUT:
      return "inout";
    }

  return 0;
}

AST_Argument::AST_Argument (void)
  : COMMON_Base (),
    AST_Decl (),
    AST_Field (),
    pd_direction (dir_IN)
{
}

AST_Argument::AST_Argument (Direction d,
                            AST_Type *ft,
                            UTL_ScopedName *n)
  : COMMON_Base (),
    AST_Decl (AST_Decl::NT_argument,
              n),
	  AST_Field (AST_Decl::NT_argument,
               ft,
               n),
	  pd_direction (d)
{
}

AST_Argument::~AST_Argument (void)
{
}

// Dump this AST_Argument node to the ostream o.
void
AST_Argument::dump (ACE_OSTREAM_TYPE &o)
{
  this->dump_i (o, direction_to_string (pd_direction));
  this->dump_i (o, " ");
  AST_Field::dump (o);
}

int
AST_Argument::ast_accept (ast_visitor *visitor)
{
  return visitor->visit_argument (this);
}

AST_Argument::Direction
AST_Argument::direction (void)
{
  return this->pd_direction;
}

// Narrowing operations.
IMPL_NARROW_METHODS1(AST_Argument, AST_Field)
IMPL_NARROW_FROM_DECL(AST_Argument)
