gcc/cp/ptree.c

   1 /* Prints out trees in human readable form.
   2    Copyright (C) 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
   3    Hacked by Michael Tiemann (tiemann@cygnus.com)
   4
   5 This file is part of GNU CC.
   6
   7 GNU CC is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2, or (at your option)
  10 any later version.
  11
  12 GNU CC is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GNU CC; see the file COPYING.  If not, write to
  19 the Free Software Foundation, 59 Temple Place - Suite 330,
  20 Boston, MA 02111-1307, USA.  */
  21
  22
  23 #include "config.h"
  24 #include "system.h"
  25 #include "tree.h"
  26 #include "cp-tree.h"
  27
  28 void
  29 print_lang_decl (file, node, indent)
  30      FILE *file;
  31      tree node;
  32      int indent;
  33 {
  34   if (!DECL_LANG_SPECIFIC (node))
  35     return;
  36   /* A FIELD_DECL only has the flags structure, which we aren't displaying
  37      anyways.  */
  38   if (DECL_MUTABLE_P (node))
  39     {
  40       indent_to (file, indent + 3);
  41       fprintf (file, " mutable ");
  42     }
  43   if (TREE_CODE (node) == FIELD_DECL)
  44     return;
  45   indent_to (file, indent + 3);
  46   if (DECL_MAIN_VARIANT (node))
  47     {
  48       fprintf (file, " decl-main-variant ");
  49       fprintf (file, HOST_PTR_PRINTF, DECL_MAIN_VARIANT (node));
  50     }
  51   if (DECL_PENDING_INLINE_INFO (node))
  52     {
  53       fprintf (file, " pending-inline-info ");
  54       fprintf (file, HOST_PTR_PRINTF, DECL_PENDING_INLINE_INFO (node));
  55     }
  56   if (DECL_TEMPLATE_INFO (node))
  57     {
  58       fprintf (file, " template-info ");
  59       fprintf (file, HOST_PTR_PRINTF,  DECL_TEMPLATE_INFO (node));
  60     }
  61 }
  62
  63 void
  64 print_lang_type (file, node, indent)
  65      FILE *file;
  66      register tree node;
  67      int indent;
  68 {
  69   if (TREE_CODE (node) == TEMPLATE_TYPE_PARM
  70       || TREE_CODE (node) == TEMPLATE_TEMPLATE_PARM)
  71     {
  72       indent_to (file, indent + 3);
  73       fputs ("index ", file);
  74       fprintf (file, HOST_WIDE_INT_PRINT_DEC, TEMPLATE_TYPE_IDX (node));
  75       fputs (" level ", file);
  76       fprintf (file, HOST_WIDE_INT_PRINT_DEC, TEMPLATE_TYPE_LEVEL (node));
  77       fputs (" orig_level ", file);
  78       fprintf (file, HOST_WIDE_INT_PRINT_DEC, TEMPLATE_TYPE_ORIG_LEVEL (node));
  79       return;
  80     }
  81
  82   if (! (TREE_CODE (node) == RECORD_TYPE
  83          || TREE_CODE (node) == UNION_TYPE))
  84     return;
  85
  86   if (!TYPE_LANG_SPECIFIC (node))
  87     return;
  88
  89   indent_to (file, indent + 3);
  90
  91   if (TYPE_NEEDS_CONSTRUCTING (node))
  92     fputs ( "needs-constructor", file);
  93   if (TYPE_NEEDS_DESTRUCTOR (node))
  94     fputs (" needs-destructor", file);
  95   if (TYPE_HAS_DESTRUCTOR (node))
  96     fputs (" ~X()", file);
  97   if (TYPE_HAS_DEFAULT_CONSTRUCTOR (node))
  98     fputs (" X()", file);
  99   if (TYPE_HAS_CONVERSION (node))
 100     fputs (" has-type-conversion", file);
 101   if (TYPE_HAS_INIT_REF (node))
 102     {
 103       if (TYPE_HAS_CONST_INIT_REF (node))
 104         fputs (" X(constX&)", file);
 105       else
 106         fputs (" X(X&)", file);
 107     }
 108   if (TYPE_GETS_NEW (node) & 1)
 109     fputs (" new", file);
 110   if (TYPE_GETS_NEW (node) & 2)
 111     fputs (" new[]", file);
 112   if (TYPE_GETS_DELETE (node) & 1)
 113     fputs (" delete", file);
 114   if (TYPE_GETS_DELETE (node) & 2)
 115     fputs (" delete[]", file);
 116   if (TYPE_HAS_ASSIGNMENT (node))
 117     fputs (" has=", file);
 118   if (TYPE_HAS_ASSIGN_REF (node))
 119     fputs (" this=(X&)", file);
 120   if (TYPE_OVERLOADS_CALL_EXPR (node))
 121     fputs (" op()", file);
 122   if (TYPE_OVERLOADS_ARRAY_REF (node))
 123     fputs (" op[]", file);
 124   if (TYPE_OVERLOADS_ARROW (node))
 125     fputs (" op->", file);
 126   if (TYPE_USES_MULTIPLE_INHERITANCE (node))
 127     fputs (" uses-multiple-inheritance", file);
 128
 129   if (TREE_CODE (node) == RECORD_TYPE)
 130     {
 131       fprintf (file, " n_parents %d n_ancestors %d",
 132                CLASSTYPE_N_BASECLASSES (node),
 133                CLASSTYPE_N_SUPERCLASSES (node));
 134       fprintf (file, " use_template=%d", CLASSTYPE_USE_TEMPLATE (node));
 135       if (CLASSTYPE_INTERFACE_ONLY (node))
 136         fprintf (file, " interface-only");
 137       if (CLASSTYPE_INTERFACE_UNKNOWN (node))
 138         fprintf (file, " interface-unknown");
 139       print_node (file, "member-functions", CLASSTYPE_METHOD_VEC (node),
 140                   indent + 4);
 141       print_node (file, "baselinks",
 142                   TYPE_BINFO_BASETYPES (node) ? CLASSTYPE_BASELINK_VEC (node) : NULL_TREE,
 143                   indent + 4);
 144     }
 145 }
 146
 147 void
 148 print_lang_identifier (file, node, indent)
 149      FILE *file;
 150      tree node;
 151      int indent;
 152 {
 153   print_node (file, "bindings", IDENTIFIER_NAMESPACE_BINDINGS (node), indent + 4);
 154   print_node (file, "class", IDENTIFIER_CLASS_VALUE (node), indent + 4);
 155   print_node (file, "local", IDENTIFIER_LOCAL_VALUE (node), indent + 4);
 156   print_node (file, "label", IDENTIFIER_LABEL_VALUE (node), indent + 4);
 157   print_node (file, "template", IDENTIFIER_TEMPLATE (node), indent + 4);
 158   print_node (file, "implicit", IDENTIFIER_IMPLICIT_DECL (node), indent + 4);
 159   print_node (file, "error locus", IDENTIFIER_ERROR_LOCUS (node), indent + 4);
 160 }
 161
 162 void
 163 lang_print_xnode (file, node, indent)
 164      FILE *file;
 165      tree node;
 166      int indent;
 167 {
 168   switch (TREE_CODE (node))
 169     {
 170     case CPLUS_BINDING:
 171       print_node (file, "scope", BINDING_SCOPE (node), indent+4);
 172       print_node (file, "value", BINDING_VALUE (node), indent+4);
 173       print_node (file, "chain", TREE_CHAIN (node), indent+4);
 174       break;
 175     case OVERLOAD:
 176       print_node (file, "function", OVL_FUNCTION (node), indent+4);
 177       print_node (file, "chain", TREE_CHAIN (node), indent+4);
 178       break;
 179     case TEMPLATE_PARM_INDEX:
 180       indent_to (file, indent + 3);
 181       fputs ("index ", file);
 182       fprintf (file, HOST_WIDE_INT_PRINT_DEC, TEMPLATE_PARM_IDX (node));
 183       fputs (" level ", file);
 184       fprintf (file, HOST_WIDE_INT_PRINT_DEC, TEMPLATE_PARM_LEVEL (node));
 185       fputs (" orig_level ", file);
 186       fprintf (file, HOST_WIDE_INT_PRINT_DEC, TEMPLATE_PARM_ORIG_LEVEL (node));
 187       break;
 188     default:
 189       break;
 190     }
 191 }