gnu/dist/gcc4/gcc/cp/ptree.c

   1 /* Prints out trees in human readable form.
   2    Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998,
   3    1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
   4    Hacked by Michael Tiemann (tiemann@cygnus.com)
   5
   6 This file is part of GCC.
   7
   8 GCC is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 2, or (at your option)
  11 any later version.
  12
  13 GCC is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GCC; see the file COPYING.  If not, write to
  20 the Free Software Foundation, 51 Franklin Street, Fifth Floor,
  21 Boston, MA 02110-1301, USA.  */
  22
  23
  24 #include "config.h"
  25 #include "system.h"
  26 #include "coretypes.h"
  27 #include "tm.h"
  28 #include "tree.h"
  29 #include "cp-tree.h"
  30
  31 void
  32 cxx_print_decl (FILE *file, tree node, int indent)
  33 {
  34   if (TREE_CODE (node) == FIELD_DECL)
  35     {
  36       if (DECL_MUTABLE_P (node))
  37         {
  38           indent_to (file, indent + 3);
  39           fprintf (file, " mutable ");
  40         }
  41       return;
  42     }
  43
  44   if (!DECL_LANG_SPECIFIC (node))
  45     return;
  46   indent_to (file, indent + 3);
  47   if (TREE_CODE (node) == FUNCTION_DECL
  48       && DECL_PENDING_INLINE_INFO (node))
  49     fprintf (file, " pending-inline-info %p",
  50              (void *) DECL_PENDING_INLINE_INFO (node));
  51   if (TREE_CODE (node) == TYPE_DECL
  52       && DECL_SORTED_FIELDS (node))
  53     fprintf (file, " sorted-fields %p",
  54              (void *) DECL_SORTED_FIELDS (node));
  55   if ((TREE_CODE (node) == FUNCTION_DECL || TREE_CODE (node) == VAR_DECL)
  56       && DECL_TEMPLATE_INFO (node))
  57     fprintf (file, " template-info %p",
  58              (void *) DECL_TEMPLATE_INFO (node));
  59 }
  60
  61 void
  62 cxx_print_type (FILE *file, tree node, int indent)
  63 {
  64   switch (TREE_CODE (node))
  65     {
  66     case TEMPLATE_TYPE_PARM:
  67     case TEMPLATE_TEMPLATE_PARM:
  68     case BOUND_TEMPLATE_TEMPLATE_PARM:
  69       indent_to (file, indent + 3);
  70       fprintf (file, "index " HOST_WIDE_INT_PRINT_DEC " level "
  71                HOST_WIDE_INT_PRINT_DEC " orig_level " HOST_WIDE_INT_PRINT_DEC,
  72                TEMPLATE_TYPE_IDX (node), TEMPLATE_TYPE_LEVEL (node),
  73                TEMPLATE_TYPE_ORIG_LEVEL (node));
  74       return;
  75
  76     case FUNCTION_TYPE:
  77     case METHOD_TYPE:
  78       if (TYPE_RAISES_EXCEPTIONS (node))
  79         print_node (file, "throws", TYPE_RAISES_EXCEPTIONS (node), indent + 4);
  80       return;
  81
  82     case RECORD_TYPE:
  83     case UNION_TYPE:
  84       break;
  85
  86     default:
  87       return;
  88     }
  89
  90   if (TYPE_PTRMEMFUNC_P (node))
  91     print_node (file, "ptrmemfunc fn type", TYPE_PTRMEMFUNC_FN_TYPE (node),
  92                 indent + 4);
  93
  94   if (! CLASS_TYPE_P (node))
  95     return;
  96
  97   indent_to (file, indent + 3);
  98
  99   if (TYPE_NEEDS_CONSTRUCTING (node))
 100     fputs ( "needs-constructor", file);
 101   if (TYPE_HAS_NONTRIVIAL_DESTRUCTOR (node))
 102     fputs (" needs-destructor", file);
 103   if (TYPE_HAS_DEFAULT_CONSTRUCTOR (node))
 104     fputs (" X()", file);
 105   if (TYPE_HAS_CONVERSION (node))
 106     fputs (" has-type-conversion", file);
 107   if (TYPE_HAS_INIT_REF (node))
 108     {
 109       if (TYPE_HAS_CONST_INIT_REF (node))
 110         fputs (" X(constX&)", file);
 111       else
 112         fputs (" X(X&)", file);
 113     }
 114   if (TYPE_HAS_NEW_OPERATOR (node))
 115     fputs (" new", file);
 116   if (TYPE_HAS_ARRAY_NEW_OPERATOR (node))
 117     fputs (" new[]", file);
 118   if (TYPE_GETS_DELETE (node) & 1)
 119     fputs (" delete", file);
 120   if (TYPE_GETS_DELETE (node) & 2)
 121     fputs (" delete[]", file);
 122   if (TYPE_HAS_ASSIGN_REF (node))
 123     fputs (" this=(X&)", file);
 124
 125   if (TREE_CODE (node) == RECORD_TYPE)
 126     {
 127       if (TYPE_BINFO (node))
 128         fprintf (file, " n_parents=%d",
 129                  BINFO_N_BASE_BINFOS (TYPE_BINFO (node)));
 130       else
 131         fprintf (file, " no-binfo");
 132
 133       fprintf (file, " use_template=%d", CLASSTYPE_USE_TEMPLATE (node));
 134       if (CLASSTYPE_INTERFACE_ONLY (node))
 135         fprintf (file, " interface-only");
 136       if (CLASSTYPE_INTERFACE_UNKNOWN (node))
 137         fprintf (file, " interface-unknown");
 138     }
 139 }
 140
 141
 142 static void
 143 cxx_print_binding (FILE *stream, cxx_binding *binding, const char *prefix)
 144 {
 145   fprintf (stream, "%s <%p>",
 146            prefix, (void *) binding);
 147 }
 148
 149 void
 150 cxx_print_identifier (FILE *file, tree node, int indent)
 151 {
 152   if (indent == 0)
 153     fprintf (file, " ");
 154   else
 155     indent_to (file, indent);
 156   cxx_print_binding (file, IDENTIFIER_NAMESPACE_BINDINGS (node), "bindings");
 157   if (indent == 0)
 158     fprintf (file, " ");
 159   else
 160     indent_to (file, indent);
 161   cxx_print_binding (file, IDENTIFIER_BINDING (node), "local bindings");
 162   print_node (file, "label", IDENTIFIER_LABEL_VALUE (node), indent + 4);
 163   print_node (file, "template", IDENTIFIER_TEMPLATE (node), indent + 4);
 164 }
 165
 166 void
 167 cxx_print_xnode (FILE *file, tree node, int indent)
 168 {
 169   switch (TREE_CODE (node))
 170     {
 171     case BASELINK:
 172       print_node (file, "functions", BASELINK_FUNCTIONS (node), indent + 4);
 173       print_node (file, "binfo", BASELINK_BINFO (node), indent + 4);
 174       print_node (file, "access_binfo", BASELINK_ACCESS_BINFO (node),
 175                   indent + 4);
 176       break;
 177     case OVERLOAD:
 178       print_node (file, "function", OVL_FUNCTION (node), indent+4);
 179       print_node (file, "chain", TREE_CHAIN (node), indent+4);
 180       break;
 181     case TEMPLATE_PARM_INDEX:
 182       indent_to (file, indent + 3);
 183       fprintf (file, "index " HOST_WIDE_INT_PRINT_DEC " level "
 184                HOST_WIDE_INT_PRINT_DEC " orig_level " HOST_WIDE_INT_PRINT_DEC,
 185                TEMPLATE_PARM_IDX (node), TEMPLATE_PARM_LEVEL (node),
 186                TEMPLATE_PARM_ORIG_LEVEL (node));
 187       break;
 188     default:
 189       break;
 190     }
 191 }