gcc/cp/ptree.c

   1 /* Prints out trees in human readable form.
   2    Copyright (C) 1992-2014 Free Software Foundation, Inc.
   3    Hacked by Michael Tiemann (tiemann@cygnus.com)
   4
   5 This file is part of GCC.
   6
   7 GCC 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 3, or (at your option)
  10 any later version.
  11
  12 GCC 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 GCC; see the file COPYING3.  If not see
  19 <http://www.gnu.org/licenses/>.  */
  20
  21
  22 #include "config.h"
  23 #include "system.h"
  24 #include "coretypes.h"
  25 #include "tm.h"
  26 #include "tree.h"
  27 #include "print-tree.h"
  28 #include "cp-tree.h"
  29
  30 void
  31 cxx_print_decl (FILE *file, tree node, int indent)
  32 {
  33   if (TREE_CODE (node) == FIELD_DECL)
  34     {
  35       if (DECL_MUTABLE_P (node))
  36         {
  37           indent_to (file, indent + 3);
  38           fprintf (file, " mutable ");
  39         }
  40       return;
  41     }
  42
  43   if (!CODE_CONTAINS_STRUCT (TREE_CODE (node), TS_DECL_COMMON)
  44       || !DECL_LANG_SPECIFIC (node))
  45     return;
  46   if (TREE_CODE (node) == FUNCTION_DECL)
  47     {
  48       int flags = TFF_DECL_SPECIFIERS|TFF_RETURN_TYPE
  49         |TFF_FUNCTION_DEFAULT_ARGUMENTS|TFF_EXCEPTION_SPECIFICATION ;
  50       indent_to (file, indent + 3);
  51       fprintf (file, " full-name \"%s\"", decl_as_string (node, flags));
  52     }
  53   else if (TREE_CODE (node) == TEMPLATE_DECL)
  54     {
  55       indent_to (file, indent + 3);
  56       fprintf (file, " full-name \"%s\"",
  57                decl_as_string (node, TFF_TEMPLATE_HEADER));
  58     }
  59
  60   indent_to (file, indent + 3);
  61   if (DECL_EXTERNAL (node) && DECL_NOT_REALLY_EXTERN (node))
  62     fprintf (file, " not-really-extern");
  63   if (TREE_CODE (node) == FUNCTION_DECL
  64       && DECL_PENDING_INLINE_INFO (node))
  65     fprintf (file, " pending-inline-info %p",
  66              (void *) DECL_PENDING_INLINE_INFO (node));
  67   if (VAR_OR_FUNCTION_DECL_P (node)
  68       && DECL_TEMPLATE_INFO (node))
  69     fprintf (file, " template-info %p",
  70              (void *) DECL_TEMPLATE_INFO (node));
  71 }
  72
  73 void
  74 cxx_print_type (FILE *file, tree node, int indent)
  75 {
  76   switch (TREE_CODE (node))
  77     {
  78     case TEMPLATE_TYPE_PARM:
  79     case TEMPLATE_TEMPLATE_PARM:
  80     case BOUND_TEMPLATE_TEMPLATE_PARM:
  81       indent_to (file, indent + 3);
  82       fprintf (file, "index %d level %d orig_level %d",
  83                TEMPLATE_TYPE_IDX (node), TEMPLATE_TYPE_LEVEL (node),
  84                TEMPLATE_TYPE_ORIG_LEVEL (node));
  85       return;
  86
  87     case FUNCTION_TYPE:
  88     case METHOD_TYPE:
  89       if (TYPE_RAISES_EXCEPTIONS (node))
  90         print_node (file, "throws", TYPE_RAISES_EXCEPTIONS (node), indent + 4);
  91       return;
  92
  93     case RECORD_TYPE:
  94     case UNION_TYPE:
  95       break;
  96
  97     case DECLTYPE_TYPE:
  98       print_node (file, "expr", DECLTYPE_TYPE_EXPR (node), indent + 4);
  99       return;
 100
 101     case TYPENAME_TYPE:
 102       print_node (file, "fullname", TYPENAME_TYPE_FULLNAME (node),
 103                   indent + 4);
 104       return;
 105
 106     case TYPE_PACK_EXPANSION:
 107       print_node (file, "args", PACK_EXPANSION_EXTRA_ARGS (node), indent + 4);
 108       return;
 109
 110     default:
 111       return;
 112     }
 113
 114   if (TYPE_PTRMEMFUNC_P (node))
 115     print_node (file, "ptrmemfunc fn type", TYPE_PTRMEMFUNC_FN_TYPE (node),
 116                 indent + 4);
 117
 118   if (! CLASS_TYPE_P (node))
 119     return;
 120
 121   indent_to (file, indent + 4);
 122   fprintf (file, "full-name \"%s\"",
 123            type_as_string (node, TFF_CLASS_KEY_OR_ENUM));
 124
 125   indent_to (file, indent + 3);
 126
 127   if (TYPE_NEEDS_CONSTRUCTING (node))
 128     fputs ( " needs-constructor", file);
 129   if (TYPE_HAS_NONTRIVIAL_DESTRUCTOR (node))
 130     fputs (" needs-destructor", file);
 131   if (TYPE_HAS_DEFAULT_CONSTRUCTOR (node))
 132     fputs (" X()", file);
 133   if (TYPE_HAS_CONVERSION (node))
 134     fputs (" has-type-conversion", file);
 135   if (TYPE_HAS_COPY_CTOR (node))
 136     {
 137       if (TYPE_HAS_CONST_COPY_CTOR (node))
 138         fputs (" X(constX&)", file);
 139       else
 140         fputs (" X(X&)", file);
 141     }
 142   if (TYPE_HAS_NEW_OPERATOR (node))
 143     fputs (" new", file);
 144   if (TYPE_HAS_ARRAY_NEW_OPERATOR (node))
 145     fputs (" new[]", file);
 146   if (TYPE_GETS_DELETE (node) & 1)
 147     fputs (" delete", file);
 148   if (TYPE_GETS_DELETE (node) & 2)
 149     fputs (" delete[]", file);
 150   if (TYPE_HAS_COPY_ASSIGN (node))
 151     fputs (" this=(X&)", file);
 152   if (CLASSTYPE_SORTED_FIELDS (node))
 153     fprintf (file, " sorted-fields %p",
 154              (void *) CLASSTYPE_SORTED_FIELDS (node));
 155
 156   if (TREE_CODE (node) == RECORD_TYPE)
 157     {
 158       if (TYPE_BINFO (node))
 159         fprintf (file, " n_parents=%d",
 160                  BINFO_N_BASE_BINFOS (TYPE_BINFO (node)));
 161       else
 162         fprintf (file, " no-binfo");
 163
 164       fprintf (file, " use_template=%d", CLASSTYPE_USE_TEMPLATE (node));
 165       if (CLASSTYPE_INTERFACE_ONLY (node))
 166         fprintf (file, " interface-only");
 167       if (CLASSTYPE_INTERFACE_UNKNOWN (node))
 168         fprintf (file, " interface-unknown");
 169     }
 170 }
 171
 172
 173 static void
 174 cxx_print_binding (FILE *stream, cxx_binding *binding, const char *prefix)
 175 {
 176   fprintf (stream, "%s <%p>",
 177            prefix, (void *) binding);
 178 }
 179
 180 void
 181 cxx_print_identifier (FILE *file, tree node, int indent)
 182 {
 183   if (indent == 0)
 184     fprintf (file, " ");
 185   else
 186     indent_to (file, indent + 4);
 187   cxx_print_binding (file, IDENTIFIER_NAMESPACE_BINDINGS (node), "bindings");
 188   if (indent == 0)
 189     fprintf (file, " ");
 190   else
 191     indent_to (file, indent + 4);
 192   cxx_print_binding (file, IDENTIFIER_BINDING (node), "local bindings");
 193   print_node (file, "label", IDENTIFIER_LABEL_VALUE (node), indent + 4);
 194   print_node (file, "template", IDENTIFIER_TEMPLATE (node), indent + 4);
 195 }
 196
 197 void
 198 cxx_print_xnode (FILE *file, tree node, int indent)
 199 {
 200   switch (TREE_CODE (node))
 201     {
 202     case BASELINK:
 203       print_node (file, "functions", BASELINK_FUNCTIONS (node), indent + 4);
 204       print_node (file, "binfo", BASELINK_BINFO (node), indent + 4);
 205       print_node (file, "access_binfo", BASELINK_ACCESS_BINFO (node),
 206                   indent + 4);
 207       break;
 208     case OVERLOAD:
 209       print_node (file, "function", OVL_FUNCTION (node), indent+4);
 210       print_node (file, "chain", TREE_CHAIN (node), indent+4);
 211       break;
 212     case TEMPLATE_PARM_INDEX:
 213       indent_to (file, indent + 3);
 214       fprintf (file, "index %d level %d orig_level %d",
 215                TEMPLATE_PARM_IDX (node), TEMPLATE_PARM_LEVEL (node),
 216                TEMPLATE_PARM_ORIG_LEVEL (node));
 217       break;
 218     case TEMPLATE_INFO:
 219       print_node (file, "template", TI_TEMPLATE (node), indent+4);
 220       print_node (file, "args", TI_ARGS (node), indent+4);
 221       if (TI_PENDING_TEMPLATE_FLAG (node))
 222         {
 223           indent_to (file, indent + 3);
 224           fprintf (file, "pending_template");
 225         }
 226       break;
 227     case ARGUMENT_PACK_SELECT:
 228       print_node (file, "pack", ARGUMENT_PACK_SELECT_FROM_PACK (node),
 229                   indent+4);
 230       indent_to (file, indent + 3);
 231       fprintf (file, "index %d", ARGUMENT_PACK_SELECT_INDEX (node));
 232       break;
 233     case DEFERRED_NOEXCEPT:
 234       print_node (file, "pattern", DEFERRED_NOEXCEPT_PATTERN (node), indent+4);
 235       print_node (file, "args", DEFERRED_NOEXCEPT_ARGS (node), indent+4);
 236       break;
 237     default:
 238       break;
 239     }
 240 }