gcc/cp/ptree.c

   1 /* Prints out trees in human readable form.
   2    Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998,
   3    1999 Free Software Foundation, Inc.
   4    Hacked by Michael Tiemann (tiemann@cygnus.com)
   5
   6 This file is part of GNU CC.
   7
   8 GNU CC 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 GNU CC 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 GNU CC; 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 "tree.h"
  27 #include "cp-tree.h"
  28
  29 void
  30 print_lang_decl (file, node, indent)
  31      FILE *file;
  32      tree node;
  33      int indent;
  34 {
  35   if (TREE_CODE (node) == FIELD_DECL)
  36     {
  37       if (DECL_MUTABLE_P (node))
  38         {
  39           indent_to (file, indent + 3);
  40           fprintf (file, " mutable ");
  41         }
  42       return;
  43     }
  44
  45   if (!DECL_LANG_SPECIFIC (node))
  46     return;
  47   indent_to (file, indent + 3);
  48   if (TREE_CODE (node) == FUNCTION_DECL
  49       && DECL_PENDING_INLINE_INFO (node))
  50     {
  51       fprintf (file, " pending-inline-info ");
  52       fprintf (file, HOST_PTR_PRINTF, DECL_PENDING_INLINE_INFO (node));
  53     }
  54   if (TREE_CODE (node) == TYPE_DECL
  55       && DECL_SORTED_FIELDS (node))
  56     {
  57       fprintf (file, " sorted-fields ");
  58       fprintf (file, HOST_PTR_PRINTF, DECL_SORTED_FIELDS (node));
  59     }
  60   if ((TREE_CODE (node) == FUNCTION_DECL || TREE_CODE (node) == VAR_DECL)
  61       && DECL_TEMPLATE_INFO (node))
  62     {
  63       fprintf (file, " template-info ");
  64       fprintf (file, HOST_PTR_PRINTF,  DECL_TEMPLATE_INFO (node));
  65     }
  66 }
  67
  68 void
  69 print_lang_type (file, node, indent)
  70      FILE *file;
  71      register tree node;
  72      int indent;
  73 {
  74   switch (TREE_CODE (node))
  75     {
  76     case TEMPLATE_TYPE_PARM:
  77     case TEMPLATE_TEMPLATE_PARM:
  78     case BOUND_TEMPLATE_TEMPLATE_PARM:
  79       indent_to (file, indent + 3);
  80       fputs ("index ", file);
  81       fprintf (file, HOST_WIDE_INT_PRINT_DEC, TEMPLATE_TYPE_IDX (node));
  82       fputs (" level ", file);
  83       fprintf (file, HOST_WIDE_INT_PRINT_DEC, TEMPLATE_TYPE_LEVEL (node));
  84       fputs (" orig_level ", file);
  85       fprintf (file, HOST_WIDE_INT_PRINT_DEC, TEMPLATE_TYPE_ORIG_LEVEL (node));
  86       return;
  87
  88     case FUNCTION_TYPE:
  89     case METHOD_TYPE:
  90       if (TYPE_RAISES_EXCEPTIONS (node))
  91         print_node (file, "throws", TYPE_RAISES_EXCEPTIONS (node), indent + 4);
  92       return;
  93
  94     case RECORD_TYPE:
  95     case UNION_TYPE:
  96       break;
  97
  98     default:
  99       return;
 100     }
 101
 102   if (TYPE_PTRMEMFUNC_P (node))
 103     print_node (file, "ptrmemfunc fn type", TYPE_PTRMEMFUNC_FN_TYPE (node),
 104                 indent + 4);
 105
 106   if (! CLASS_TYPE_P (node))
 107     return;
 108
 109   indent_to (file, indent + 3);
 110
 111   if (TYPE_NEEDS_CONSTRUCTING (node))
 112     fputs ( "needs-constructor", file);
 113   if (TYPE_HAS_NONTRIVIAL_DESTRUCTOR (node))
 114     fputs (" needs-destructor", file);
 115   if (TYPE_HAS_DESTRUCTOR (node))
 116     fputs (" ~X()", file);
 117   if (TYPE_HAS_DEFAULT_CONSTRUCTOR (node))
 118     fputs (" X()", file);
 119   if (TYPE_HAS_CONVERSION (node))
 120     fputs (" has-type-conversion", file);
 121   if (TYPE_HAS_INIT_REF (node))
 122     {
 123       if (TYPE_HAS_CONST_INIT_REF (node))
 124         fputs (" X(constX&)", file);
 125       else
 126         fputs (" X(X&)", file);
 127     }
 128   if (TYPE_HAS_NEW_OPERATOR (node))
 129     fputs (" new", file);
 130   if (TYPE_HAS_ARRAY_NEW_OPERATOR (node))
 131     fputs (" new[]", file);
 132   if (TYPE_GETS_DELETE (node) & 1)
 133     fputs (" delete", file);
 134   if (TYPE_GETS_DELETE (node) & 2)
 135     fputs (" delete[]", file);
 136   if (TYPE_HAS_ASSIGN_REF (node))
 137     fputs (" this=(X&)", file);
 138   if (TYPE_OVERLOADS_CALL_EXPR (node))
 139     fputs (" op()", file);
 140   if (TYPE_OVERLOADS_ARRAY_REF (node))
 141     fputs (" op[]", file);
 142   if (TYPE_OVERLOADS_ARROW (node))
 143     fputs (" op->", file);
 144   if (TYPE_USES_MULTIPLE_INHERITANCE (node))
 145     fputs (" uses-multiple-inheritance", file);
 146
 147   if (TREE_CODE (node) == RECORD_TYPE)
 148     {
 149       fprintf (file, " n_parents %d", CLASSTYPE_N_BASECLASSES (node));
 150       fprintf (file, " use_template=%d", CLASSTYPE_USE_TEMPLATE (node));
 151       if (CLASSTYPE_INTERFACE_ONLY (node))
 152         fprintf (file, " interface-only");
 153       if (CLASSTYPE_INTERFACE_UNKNOWN (node))
 154         fprintf (file, " interface-unknown");
 155       print_node (file, "member-functions", CLASSTYPE_METHOD_VEC (node),
 156                   indent + 4);
 157     }
 158 }
 159
 160 void
 161 print_lang_identifier (file, node, indent)
 162      FILE *file;
 163      tree node;
 164      int indent;
 165 {
 166   print_node (file, "bindings", IDENTIFIER_NAMESPACE_BINDINGS (node), indent + 4);
 167   print_node (file, "class", IDENTIFIER_CLASS_VALUE (node), indent + 4);
 168   print_node (file, "local bindings", IDENTIFIER_BINDING (node), indent + 4);
 169   print_node (file, "label", IDENTIFIER_LABEL_VALUE (node), indent + 4);
 170   print_node (file, "template", IDENTIFIER_TEMPLATE (node), indent + 4);
 171   print_node (file, "implicit", IDENTIFIER_IMPLICIT_DECL (node), indent + 4);
 172   print_node (file, "error locus", IDENTIFIER_ERROR_LOCUS (node), indent + 4);
 173 }
 174
 175 void
 176 lang_print_xnode (file, node, indent)
 177      FILE *file;
 178      tree node;
 179      int indent;
 180 {
 181   switch (TREE_CODE (node))
 182     {
 183     case CPLUS_BINDING:
 184       fprintf (file, " scope ");
 185       fprintf (file, HOST_PTR_PRINTF, BINDING_SCOPE (node));
 186       print_node (file, "value", BINDING_VALUE (node), indent+4);
 187       print_node (file, "chain", TREE_CHAIN (node), indent+4);
 188       break;
 189     case OVERLOAD:
 190       print_node (file, "function", OVL_FUNCTION (node), indent+4);
 191       print_node (file, "chain", TREE_CHAIN (node), indent+4);
 192       break;
 193     case TEMPLATE_PARM_INDEX:
 194       indent_to (file, indent + 3);
 195       fputs ("index ", file);
 196       fprintf (file, HOST_WIDE_INT_PRINT_DEC, TEMPLATE_PARM_IDX (node));
 197       fputs (" level ", file);
 198       fprintf (file, HOST_WIDE_INT_PRINT_DEC, TEMPLATE_PARM_LEVEL (node));
 199       fputs (" orig_level ", file);
 200       fprintf (file, HOST_WIDE_INT_PRINT_DEC, TEMPLATE_PARM_ORIG_LEVEL (node));
 201       break;
 202     default:
 203       break;
 204     }
 205 }