ptree.c   [plain text]

/* Prints out trees in human readable form.
   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998,
   1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
   Hacked by Michael Tiemann (tiemann@cygnus.com)

This file is part of GCC.

GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING.  If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */


#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "tm.h"
#include "tree.h"
#include "cp-tree.h"

void
cxx_print_decl (FILE *file, tree node, int indent)
{
  if (TREE_CODE (node) == FIELD_DECL)
    {
      if (DECL_MUTABLE_P (node))
	{
	  indent_to (file, indent + 3);
	  fprintf (file, " mutable ");
	}
      return;
    }

  if (!DECL_LANG_SPECIFIC (node))
    return;
  indent_to (file, indent + 3);
  if (TREE_CODE (node) == FUNCTION_DECL
      && DECL_PENDING_INLINE_INFO (node))
    fprintf (file, " pending-inline-info " HOST_PTR_PRINTF,
	     (void *) DECL_PENDING_INLINE_INFO (node));
  if (TREE_CODE (node) == TYPE_DECL
      && DECL_SORTED_FIELDS (node))
    fprintf (file, " sorted-fields " HOST_PTR_PRINTF,
	     (void *) DECL_SORTED_FIELDS (node));
  if ((TREE_CODE (node) == FUNCTION_DECL || TREE_CODE (node) == VAR_DECL)
      && DECL_TEMPLATE_INFO (node))
    fprintf (file, " template-info " HOST_PTR_PRINTF,
	     (void *) DECL_TEMPLATE_INFO (node));
}

void
cxx_print_type (FILE *file, tree node, int indent)
{
  switch (TREE_CODE (node))
    {
    case TEMPLATE_TYPE_PARM:
    case TEMPLATE_TEMPLATE_PARM:
    case BOUND_TEMPLATE_TEMPLATE_PARM:
      indent_to (file, indent + 3);
      fprintf (file, "index " HOST_WIDE_INT_PRINT_DEC " level "
	       HOST_WIDE_INT_PRINT_DEC " orig_level " HOST_WIDE_INT_PRINT_DEC,
	       TEMPLATE_TYPE_IDX (node), TEMPLATE_TYPE_LEVEL (node),
	       TEMPLATE_TYPE_ORIG_LEVEL (node));
      return;

    case FUNCTION_TYPE:
    case METHOD_TYPE:
      if (TYPE_RAISES_EXCEPTIONS (node))
	print_node (file, "throws", TYPE_RAISES_EXCEPTIONS (node), indent + 4);
      return;

    case RECORD_TYPE:
    case UNION_TYPE:
      break;

    default:
      return;
    }

  if (TYPE_PTRMEMFUNC_P (node))
    print_node (file, "ptrmemfunc fn type", TYPE_PTRMEMFUNC_FN_TYPE (node),
		indent + 4);

  if (! CLASS_TYPE_P (node))
    return;

  indent_to (file, indent + 3);

  if (TYPE_NEEDS_CONSTRUCTING (node))
    fputs ( "needs-constructor", file);
  if (TYPE_HAS_NONTRIVIAL_DESTRUCTOR (node))
    fputs (" needs-destructor", file);
  if (TYPE_HAS_DESTRUCTOR (node))
    fputs (" ~X()", file);
  if (TYPE_HAS_DEFAULT_CONSTRUCTOR (node))
    fputs (" X()", file);
  if (TYPE_HAS_CONVERSION (node))
    fputs (" has-type-conversion", file);
  if (TYPE_HAS_INIT_REF (node))
    {
      if (TYPE_HAS_CONST_INIT_REF (node))
	fputs (" X(constX&)", file);
      else
	fputs (" X(X&)", file);
    }
  if (TYPE_HAS_NEW_OPERATOR (node))
    fputs (" new", file);
  if (TYPE_HAS_ARRAY_NEW_OPERATOR (node))
    fputs (" new[]", file);
  if (TYPE_GETS_DELETE (node) & 1)
    fputs (" delete", file);
  if (TYPE_GETS_DELETE (node) & 2)
    fputs (" delete[]", file);
  if (TYPE_HAS_ASSIGN_REF (node))
    fputs (" this=(X&)", file);

  if (TREE_CODE (node) == RECORD_TYPE)
    {
      if (TYPE_BINFO (node))
	fprintf (file, " n_parents=%d",
		 BINFO_N_BASE_BINFOS (TYPE_BINFO (node)));
      else
	fprintf (file, " no-binfo");
      
      fprintf (file, " use_template=%d", CLASSTYPE_USE_TEMPLATE (node));
      if (CLASSTYPE_INTERFACE_ONLY (node))
	fprintf (file, " interface-only");
      if (CLASSTYPE_INTERFACE_UNKNOWN (node))
	fprintf (file, " interface-unknown");
    }
}


static void
cxx_print_binding (FILE *stream, cxx_binding *binding, const char *prefix)
{
  fprintf (stream, "%s <" HOST_PTR_PRINTF ">",
	   prefix, (void *) binding);
}

void
cxx_print_identifier (FILE *file, tree node, int indent)
{
  indent_to (file, indent);
  cxx_print_binding (file, IDENTIFIER_NAMESPACE_BINDINGS (node), "bindings");
  indent_to (file, indent);
  cxx_print_binding (file, IDENTIFIER_BINDING (node), "local bindings");
  print_node (file, "label", IDENTIFIER_LABEL_VALUE (node), indent + 4);
  print_node (file, "template", IDENTIFIER_TEMPLATE (node), indent + 4);
}

void
cxx_print_xnode (FILE *file, tree node, int indent)
{
  switch (TREE_CODE (node))
    {
    case OVERLOAD:
      print_node (file, "function", OVL_FUNCTION (node), indent+4);
      print_node (file, "chain", TREE_CHAIN (node), indent+4);
      break;
    case TEMPLATE_PARM_INDEX:
      indent_to (file, indent + 3);
      fprintf (file, "index " HOST_WIDE_INT_PRINT_DEC " level "
	       HOST_WIDE_INT_PRINT_DEC " orig_level " HOST_WIDE_INT_PRINT_DEC,
	       TEMPLATE_PARM_IDX (node), TEMPLATE_PARM_LEVEL (node),
	       TEMPLATE_PARM_ORIG_LEVEL (node));
      break;
    default:
      break;
    }
}