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 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, 59 Temple Place - Suite 330,
  21 Boston, MA 02111-1307, 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     {
  50       fprintf (file, " pending-inline-info ");
  51       fprintf (file, HOST_PTR_PRINTF, (void *) DECL_PENDING_INLINE_INFO (node));
  52     }
  53   if (TREE_CODE (node) == TYPE_DECL
  54       && DECL_SORTED_FIELDS (node))
  55     {
  56       fprintf (file, " sorted-fields ");
  57       fprintf (file, HOST_PTR_PRINTF, (void *) DECL_SORTED_FIELDS (node));
  58     }
  59   if ((TREE_CODE (node) == FUNCTION_DECL || TREE_CODE (node) == VAR_DECL)
  60       && DECL_TEMPLATE_INFO (node))
  61     {
  62       fprintf (file, " template-info ");
  63       fprintf (file, HOST_PTR_PRINTF, (void *) DECL_TEMPLATE_INFO (node));
  64     }
  65 }
  66
  67 void
  68 cxx_print_type (FILE *file, tree node, int indent)
  69 {
  70   switch (TREE_CODE (node))
  71     {
  72     case TEMPLATE_TYPE_PARM:
  73     case TEMPLATE_TEMPLATE_PARM:
  74     case BOUND_TEMPLATE_TEMPLATE_PARM:
  75       indent_to (file, indent + 3);
  76       fputs ("index ", file);
  77       fprintf (file, HOST_WIDE_INT_PRINT_DEC, TEMPLATE_TYPE_IDX (node));
  78       fputs (" level ", file);
  79       fprintf (file, HOST_WIDE_INT_PRINT_DEC, TEMPLATE_TYPE_LEVEL (node));
  80       fputs (" orig_level ", file);
  81       fprintf (file, HOST_WIDE_INT_PRINT_DEC, TEMPLATE_TYPE_ORIG_LEVEL (node));
  82       return;
  83
  84     case FUNCTION_TYPE:
  85     case METHOD_TYPE:
  86       if (TYPE_RAISES_EXCEPTIONS (node))
  87         print_node (file, "throws", TYPE_RAISES_EXCEPTIONS (node), indent + 4);
  88       return;
  89
  90     case RECORD_TYPE:
  91     case UNION_TYPE:
  92       break;
  93
  94     default:
  95       return;
  96     }
  97
  98   if (TYPE_PTRMEMFUNC_P (node))
  99     print_node (file, "ptrmemfunc fn type", TYPE_PTRMEMFUNC_FN_TYPE (node),
 100                 indent + 4);
 101
 102   if (! CLASS_TYPE_P (node))
 103     return;
 104
 105   indent_to (file, indent + 3);
 106
 107   if (TYPE_NEEDS_CONSTRUCTING (node))
 108     fputs ( "needs-constructor", file);
 109   if (TYPE_HAS_NONTRIVIAL_DESTRUCTOR (node))
 110     fputs (" needs-destructor", file);
 111   if (TYPE_HAS_DESTRUCTOR (node))
 112     fputs (" ~X()", file);
 113   if (TYPE_HAS_DEFAULT_CONSTRUCTOR (node))
 114     fputs (" X()", file);
 115   if (TYPE_HAS_CONVERSION (node))
 116     fputs (" has-type-conversion", file);
 117   if (TYPE_HAS_INIT_REF (node))
 118     {
 119       if (TYPE_HAS_CONST_INIT_REF (node))
 120         fputs (" X(constX&)", file);
 121       else
 122         fputs (" X(X&)", file);
 123     }
 124   if (TYPE_HAS_NEW_OPERATOR (node))
 125     fputs (" new", file);
 126   if (TYPE_HAS_ARRAY_NEW_OPERATOR (node))
 127     fputs (" new[]", file);
 128   if (TYPE_GETS_DELETE (node) & 1)
 129     fputs (" delete", file);
 130   if (TYPE_GETS_DELETE (node) & 2)
 131     fputs (" delete[]", file);
 132   if (TYPE_HAS_ASSIGN_REF (node))
 133     fputs (" this=(X&)", file);
 134   if (TYPE_OVERLOADS_CALL_EXPR (node))
 135     fputs (" op()", file);
 136   if (TYPE_OVERLOADS_ARRAY_REF (node))
 137     fputs (" op[]", file);
 138   if (TYPE_OVERLOADS_ARROW (node))
 139     fputs (" op->", file);
 140   if (TYPE_USES_MULTIPLE_INHERITANCE (node))
 141     fputs (" uses-multiple-inheritance", file);
 142
 143   if (TREE_CODE (node) == RECORD_TYPE)
 144     {
 145       fprintf (file, " n_parents %d", CLASSTYPE_N_BASECLASSES (node));
 146       fprintf (file, " use_template=%d", CLASSTYPE_USE_TEMPLATE (node));
 147       if (CLASSTYPE_INTERFACE_ONLY (node))
 148         fprintf (file, " interface-only");
 149       if (CLASSTYPE_INTERFACE_UNKNOWN (node))
 150         fprintf (file, " interface-unknown");
 151       print_node (file, "member-functions", CLASSTYPE_METHOD_VEC (node),
 152                   indent + 4);
 153     }
 154 }
 155
 156
 157 static void
 158 cxx_print_binding (FILE *stream, cxx_binding *binding, const char *prefix)
 159 {
 160   fprintf (stream, "%s <", prefix);
 161   fprintf (stream, HOST_PTR_PRINTF, (char *) binding);
 162   fprintf (stream, ">");
 163 }
 164
 165 void
 166 cxx_print_identifier (FILE *file, tree node, int indent)
 167 {
 168   cxx_print_binding (file, IDENTIFIER_NAMESPACE_BINDINGS (node), "bindings");
 169   print_node (file, "class", IDENTIFIER_CLASS_VALUE (node), indent + 4);
 170   cxx_print_binding (file, IDENTIFIER_BINDING (node), "local bindings");
 171   print_node (file, "label", IDENTIFIER_LABEL_VALUE (node), indent + 4);
 172   print_node (file, "template", IDENTIFIER_TEMPLATE (node), indent + 4);
 173   print_node (file, "implicit", IDENTIFIER_IMPLICIT_DECL (node), indent + 4);
 174   print_node (file, "error locus", IDENTIFIER_ERROR_LOCUS (node), indent + 4);
 175 }
 176
 177 void
 178 cxx_print_xnode (FILE *file, tree node, int indent)
 179 {
 180   switch (TREE_CODE (node))
 181     {
 182     case OVERLOAD:
 183       print_node (file, "function", OVL_FUNCTION (node), indent+4);
 184       print_node (file, "chain", TREE_CHAIN (node), indent+4);
 185       break;
 186     case TEMPLATE_PARM_INDEX:
 187       indent_to (file, indent + 3);
 188       fputs ("index ", file);
 189       fprintf (file, HOST_WIDE_INT_PRINT_DEC, TEMPLATE_PARM_IDX (node));
 190       fputs (" level ", file);
 191       fprintf (file, HOST_WIDE_INT_PRINT_DEC, TEMPLATE_PARM_LEVEL (node));
 192       fputs (" orig_level ", file);
 193       fprintf (file, HOST_WIDE_INT_PRINT_DEC, TEMPLATE_PARM_ORIG_LEVEL (node));
 194       break;
 195     default:
 196       break;
 197     }
 198 }