gcc/cp/ptree.c

   1 /* Prints out trees in human readable form.
   2    Copyright (C) 1992-2013 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 "cp-tree.h"
  28
  29 void
  30 cxx_print_decl (FILE *file, tree node, int indent)
  31 {
  32   if (TREE_CODE (node) == FIELD_DECL)
  33     {
  34       if (DECL_MUTABLE_P (node))
  35         {
  36           indent_to (file, indent + 3);
  37           fprintf (file, " mutable ");
  38         }
  39       return;
  40     }
  41
  42   if (!CODE_CONTAINS_STRUCT (TREE_CODE (node), TS_DECL_COMMON)
  43       || !DECL_LANG_SPECIFIC (node))
  44     return;
  45   if (TREE_CODE (node) == FUNCTION_DECL)
  46     {
  47       int flags = TFF_DECL_SPECIFIERS|TFF_RETURN_TYPE
  48         |TFF_FUNCTION_DEFAULT_ARGUMENTS|TFF_EXCEPTION_SPECIFICATION ;
  49       indent_to (file, indent + 3);
  50       fprintf (file, " full-name \"%s\"", decl_as_string (node, flags));
  51     }
  52   else if (TREE_CODE (node) == TEMPLATE_DECL)
  53     {
  54       indent_to (file, indent + 3);
  55       fprintf (file, " full-name \"%s\"",
  56                decl_as_string (node, TFF_TEMPLATE_HEADER));
  57     }
  58
  59   indent_to (file, indent + 3);
  60   if (DECL_EXTERNAL (node) && DECL_NOT_REALLY_EXTERN (node))
  61     fprintf (file, " not-really-extern");
  62   if (TREE_CODE (node) == FUNCTION_DECL
  63       && DECL_PENDING_INLINE_INFO (node))
  64     fprintf (file, " pending-inline-info %p",
  65              (void *) DECL_PENDING_INLINE_INFO (node));
  66   if (VAR_OR_FUNCTION_DECL_P (node)
  67       && DECL_TEMPLATE_INFO (node))
  68     fprintf (file, " template-info %p",
  69              (void *) DECL_TEMPLATE_INFO (node));
  70 }
  71
  72 void
  73 cxx_print_type (FILE *file, tree node, int indent)
  74 {
  75   switch (TREE_CODE (node))
  76     {
  77     case TEMPLATE_TYPE_PARM:
  78     case TEMPLATE_TEMPLATE_PARM:
  79     case BOUND_TEMPLATE_TEMPLATE_PARM:
  80       indent_to (file, indent + 3);
  81       fprintf (file, "index %d level %d orig_level %d",
  82                TEMPLATE_TYPE_IDX (node), TEMPLATE_TYPE_LEVEL (node),
  83                TEMPLATE_TYPE_ORIG_LEVEL (node));
  84       return;
  85
  86     case FUNCTION_TYPE:
  87     case METHOD_TYPE:
  88       if (TYPE_RAISES_EXCEPTIONS (node))
  89         print_node (file, "throws", TYPE_RAISES_EXCEPTIONS (node), indent + 4);
  90       return;
  91
  92     case RECORD_TYPE:
  93     case UNION_TYPE:
  94       break;
  95
  96     case DECLTYPE_TYPE:
  97       print_node (file, "expr", DECLTYPE_TYPE_EXPR (node), indent + 4);
  98       return;
  99
 100     case TYPENAME_TYPE:
 101       print_node (file, "fullname", TYPENAME_TYPE_FULLNAME (node),
 102                   indent + 4);
 103       return;
 104
 105     case TYPE_PACK_EXPANSION:
 106       print_node (file, "args", PACK_EXPANSION_EXTRA_ARGS (node), indent + 4);
 107       return;
 108
 109     default:
 110       return;
 111     }
 112
 113   if (TYPE_PTRMEMFUNC_P (node))
 114     print_node (file, "ptrmemfunc fn type", TYPE_PTRMEMFUNC_FN_TYPE (node),
 115                 indent + 4);
 116
 117   if (! CLASS_TYPE_P (node))
 118     return;
 119
 120   indent_to (file, indent + 4);
 121   fprintf (file, "full-name \"%s\"",
 122            type_as_string (node, TFF_CLASS_KEY_OR_ENUM));
 123
 124   indent_to (file, indent + 3);
 125
 126   if (TYPE_NEEDS_CONSTRUCTING (node))
 127     fputs ( " needs-constructor", file);
 128   if (TYPE_HAS_NONTRIVIAL_DESTRUCTOR (node))
 129     fputs (" needs-destructor", file);
 130   if (TYPE_HAS_DEFAULT_CONSTRUCTOR (node))
 131     fputs (" X()", file);
 132   if (TYPE_HAS_CONVERSION (node))
 133     fputs (" has-type-conversion", file);
 134   if (TYPE_HAS_COPY_CTOR (node))
 135     {
 136       if (TYPE_HAS_CONST_COPY_CTOR (node))
 137         fputs (" X(constX&)", file);
 138       else
 139         fputs (" X(X&)", file);
 140     }
 141   if (TYPE_HAS_NEW_OPERATOR (node))
 142     fputs (" new", file);
 143   if (TYPE_HAS_ARRAY_NEW_OPERATOR (node))
 144     fputs (" new[]", file);
 145   if (TYPE_GETS_DELETE (node) & 1)
 146     fputs (" delete", file);
 147   if (TYPE_GETS_DELETE (node) & 2)
 148     fputs (" delete[]", file);
 149   if (TYPE_HAS_COPY_ASSIGN (node))
 150     fputs (" this=(X&)", file);
 151   if (CLASSTYPE_SORTED_FIELDS (node))
 152     fprintf (file, " sorted-fields %p",
 153              (void *) CLASSTYPE_SORTED_FIELDS (node));
 154
 155   if (TREE_CODE (node) == RECORD_TYPE)
 156     {
 157       if (TYPE_BINFO (node))
 158         fprintf (file, " n_parents=%d",
 159                  BINFO_N_BASE_BINFOS (TYPE_BINFO (node)));
 160       else
 161         fprintf (file, " no-binfo");
 162
 163       fprintf (file, " use_template=%d", CLASSTYPE_USE_TEMPLATE (node));
 164       if (CLASSTYPE_INTERFACE_ONLY (node))
 165         fprintf (file, " interface-only");
 166       if (CLASSTYPE_INTERFACE_UNKNOWN (node))
 167         fprintf (file, " interface-unknown");
 168     }
 169 }
 170
 171
 172 static void
 173 cxx_print_binding (FILE *stream, cxx_binding *binding, const char *prefix)
 174 {
 175   fprintf (stream, "%s <%p>",
 176            prefix, (void *) binding);
 177 }
 178
 179 void
 180 cxx_print_identifier (FILE *file, tree node, int indent)
 181 {
 182   if (indent == 0)
 183     fprintf (file, " ");
 184   else
 185     indent_to (file, indent + 4);
 186   cxx_print_binding (file, IDENTIFIER_NAMESPACE_BINDINGS (node), "bindings");
 187   if (indent == 0)
 188     fprintf (file, " ");
 189   else
 190     indent_to (file, indent + 4);
 191   cxx_print_binding (file, IDENTIFIER_BINDING (node), "local bindings");
 192   print_node (file, "label", IDENTIFIER_LABEL_VALUE (node), indent + 4);
 193   print_node (file, "template", IDENTIFIER_TEMPLATE (node), indent + 4);
 194 }
 195
 196 void
 197 cxx_print_xnode (FILE *file, tree node, int indent)
 198 {
 199   switch (TREE_CODE (node))
 200     {
 201     case BASELINK:
 202       print_node (file, "functions", BASELINK_FUNCTIONS (node), indent + 4);
 203       print_node (file, "binfo", BASELINK_BINFO (node), indent + 4);
 204       print_node (file, "access_binfo", BASELINK_ACCESS_BINFO (node),
 205                   indent + 4);
 206       break;
 207     case OVERLOAD:
 208       print_node (file, "function", OVL_FUNCTION (node), indent+4);
 209       print_node (file, "chain", TREE_CHAIN (node), indent+4);
 210       break;
 211     case TEMPLATE_PARM_INDEX:
 212       indent_to (file, indent + 3);
 213       fprintf (file, "index %d level %d orig_level %d",
 214                TEMPLATE_PARM_IDX (node), TEMPLATE_PARM_LEVEL (node),
 215                TEMPLATE_PARM_ORIG_LEVEL (node));
 216       break;
 217     case TEMPLATE_INFO:
 218       print_node (file, "template", TI_TEMPLATE (node), indent+4);
 219       print_node (file, "args", TI_ARGS (node), indent+4);
 220       if (TI_PENDING_TEMPLATE_FLAG (node))
 221         {
 222           indent_to (file, indent + 3);
 223           fprintf (file, "pending_template");
 224         }
 225       break;
 226     case ARGUMENT_PACK_SELECT:
 227       print_node (file, "pack", ARGUMENT_PACK_SELECT_FROM_PACK (node),
 228                   indent+4);
 229       indent_to (file, indent + 3);
 230       fprintf (file, "index %d", ARGUMENT_PACK_SELECT_INDEX (node));
 231       break;
 232     case DEFERRED_NOEXCEPT:
 233       print_node (file, "pattern", DEFERRED_NOEXCEPT_PATTERN (node), indent+4);
 234       print_node (file, "args", DEFERRED_NOEXCEPT_ARGS (node), indent+4);
 235       break;
 236     default:
 237       break;
 238     }
 239 }