gcc/cp/dump.c

   1 /* Tree-dumping functionality for intermediate representation.
   2    Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
   3    Written by Mark Mitchell <mark@codesourcery.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 2, 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 COPYING.  If not, write to
  19 the Free Software Foundation, 59 Temple Place - Suite 330,
  20 Boston, MA 02111-1307, USA.  */
  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 #include "tree-dump.h"
  29
  30 static void dump_access (dump_info_p, tree);
  31
  32 static void dump_op (dump_info_p, tree);
  33
  34 /* Dump a representation of the accessibility information associated
  35    with T.  */
  36
  37 static void
  38 dump_access (dump_info_p di, tree t)
  39 {
  40   if (TREE_PROTECTED(t))
  41     dump_string (di, "protected");
  42   else if (TREE_PRIVATE(t))
  43     dump_string (di, "private");
  44   else
  45     dump_string (di, "public");
  46 }
  47
  48 /* Dump a representation of the specific operator for an overloaded
  49    operator associated with node t.  */
  50
  51 static void
  52 dump_op (dump_info_p di, tree t)
  53 {
  54   switch (DECL_OVERLOADED_OPERATOR_P (t)) {
  55     case NEW_EXPR:
  56       dump_string (di, "new");
  57       break;
  58     case VEC_NEW_EXPR:
  59       dump_string (di, "vecnew");
  60       break;
  61     case DELETE_EXPR:
  62       dump_string (di, "delete");
  63       break;
  64     case VEC_DELETE_EXPR:
  65       dump_string (di, "vecdelete");
  66       break;
  67     case CONVERT_EXPR:
  68       dump_string (di, "pos");
  69       break;
  70     case NEGATE_EXPR:
  71       dump_string (di, "neg");
  72       break;
  73     case ADDR_EXPR:
  74       dump_string (di, "addr");
  75       break;
  76     case INDIRECT_REF:
  77       dump_string(di, "deref");
  78       break;
  79     case BIT_NOT_EXPR:
  80       dump_string(di, "not");
  81       break;
  82     case TRUTH_NOT_EXPR:
  83       dump_string(di, "lnot");
  84       break;
  85     case PREINCREMENT_EXPR:
  86       dump_string(di, "preinc");
  87       break;
  88     case PREDECREMENT_EXPR:
  89       dump_string(di, "predec");
  90       break;
  91     case PLUS_EXPR:
  92       if (DECL_ASSIGNMENT_OPERATOR_P (t))
  93         dump_string (di, "plusassign");
  94       else
  95         dump_string(di, "plus");
  96       break;
  97     case MINUS_EXPR:
  98       if (DECL_ASSIGNMENT_OPERATOR_P (t))
  99         dump_string (di, "minusassign");
 100       else
 101         dump_string(di, "minus");
 102       break;
 103     case MULT_EXPR:
 104       if (DECL_ASSIGNMENT_OPERATOR_P (t))
 105         dump_string (di, "multassign");
 106       else
 107         dump_string (di, "mult");
 108       break;
 109     case TRUNC_DIV_EXPR:
 110       if (DECL_ASSIGNMENT_OPERATOR_P (t))
 111         dump_string (di, "divassign");
 112       else
 113         dump_string (di, "div");
 114       break;
 115     case TRUNC_MOD_EXPR:
 116       if (DECL_ASSIGNMENT_OPERATOR_P (t))
 117          dump_string (di, "modassign");
 118       else
 119         dump_string (di, "mod");
 120       break;
 121     case BIT_AND_EXPR:
 122       if (DECL_ASSIGNMENT_OPERATOR_P (t))
 123         dump_string (di, "andassign");
 124       else
 125         dump_string (di, "and");
 126       break;
 127     case BIT_IOR_EXPR:
 128       if (DECL_ASSIGNMENT_OPERATOR_P (t))
 129         dump_string (di, "orassign");
 130       else
 131         dump_string (di, "or");
 132       break;
 133     case BIT_XOR_EXPR:
 134       if (DECL_ASSIGNMENT_OPERATOR_P (t))
 135         dump_string (di, "xorassign");
 136       else
 137         dump_string (di, "xor");
 138       break;
 139     case LSHIFT_EXPR:
 140       if (DECL_ASSIGNMENT_OPERATOR_P (t))
 141         dump_string (di, "lshiftassign");
 142       else
 143         dump_string (di, "lshift");
 144       break;
 145     case RSHIFT_EXPR:
 146       if (DECL_ASSIGNMENT_OPERATOR_P (t))
 147         dump_string (di, "rshiftassign");
 148       else
 149         dump_string (di, "rshift");
 150       break;
 151     case EQ_EXPR:
 152       dump_string (di, "eq");
 153       break;
 154     case NE_EXPR:
 155       dump_string (di, "ne");
 156       break;
 157     case LT_EXPR:
 158       dump_string (di, "lt");
 159       break;
 160     case GT_EXPR:
 161       dump_string (di, "gt");
 162       break;
 163     case LE_EXPR:
 164       dump_string (di, "le");
 165       break;
 166     case GE_EXPR:
 167       dump_string (di, "ge");
 168       break;
 169     case TRUTH_ANDIF_EXPR:
 170       dump_string (di, "land");
 171       break;
 172     case TRUTH_ORIF_EXPR:
 173       dump_string (di, "lor");
 174       break;
 175     case COMPOUND_EXPR:
 176       dump_string (di, "compound");
 177       break;
 178     case MEMBER_REF:
 179       dump_string (di, "memref");
 180       break;
 181     case COMPONENT_REF:
 182       dump_string (di, "ref");
 183       break;
 184     case ARRAY_REF:
 185       dump_string (di, "subs");
 186       break;
 187     case POSTINCREMENT_EXPR:
 188       dump_string (di, "postinc");
 189       break;
 190     case POSTDECREMENT_EXPR:
 191       dump_string (di, "postdec");
 192       break;
 193     case CALL_EXPR:
 194       dump_string (di, "call");
 195       break;
 196     case NOP_EXPR:
 197       if (DECL_ASSIGNMENT_OPERATOR_P (t))
 198         dump_string (di, "assign");
 199       break;
 200     default:
 201       break;
 202   }
 203 }
 204
 205 bool
 206 cp_dump_tree (void* dump_info, tree t)
 207 {
 208   enum tree_code code;
 209   dump_info_p di = (dump_info_p) dump_info;
 210
 211   /* Figure out what kind of node this is.  */
 212   code = TREE_CODE (t);
 213
 214   if (DECL_P (t))
 215     {
 216       if (DECL_LANG_SPECIFIC (t) && DECL_LANGUAGE (t) != lang_cplusplus)
 217         dump_string (di, language_to_string (DECL_LANGUAGE (t), 0));
 218     }
 219
 220   switch (code)
 221     {
 222     case IDENTIFIER_NODE:
 223       if (IDENTIFIER_OPNAME_P (t))
 224         {
 225           dump_string (di, "operator");
 226           return true;
 227         }
 228       else if (IDENTIFIER_TYPENAME_P (t))
 229         {
 230           dump_child ("tynm", TREE_TYPE (t));
 231           return true;
 232         }
 233       else if (t == anonymous_namespace_name)
 234         {
 235           dump_string (di, "unnamed");
 236           return true;
 237         }
 238       break;
 239
 240     case POINTER_TYPE:
 241       if (TYPE_PTRMEM_P (t))
 242         {
 243           dump_string (di, "ptrmem");
 244           dump_child ("ptd", TYPE_PTRMEM_POINTED_TO_TYPE (t));
 245           dump_child ("cls", TYPE_PTRMEM_CLASS_TYPE (t));
 246           return true;
 247         }
 248       break;
 249
 250     case RECORD_TYPE:
 251     case UNION_TYPE:
 252       if (TYPE_PTRMEMFUNC_P (t))
 253         {
 254           dump_string (di, "ptrmem");
 255           dump_child ("ptd", TYPE_PTRMEM_POINTED_TO_TYPE (t));
 256           dump_child ("cls", TYPE_PTRMEM_CLASS_TYPE (t));
 257           return true;
 258         }
 259
 260       /* Is it a type used as a base? */
 261       if (TYPE_CONTEXT (t) && TREE_CODE (TYPE_CONTEXT (t)) == TREE_CODE (t)
 262           && CLASSTYPE_AS_BASE (TYPE_CONTEXT (t)) == t)
 263         {
 264           dump_child ("bfld", TYPE_CONTEXT (t));
 265           return true;
 266         }
 267
 268       if (! IS_AGGR_TYPE (t))
 269         break;
 270
 271       dump_child ("vfld", TYPE_VFIELD (t));
 272       if (CLASSTYPE_TEMPLATE_SPECIALIZATION(t))
 273         dump_string(di, "spec");
 274
 275       if (!dump_flag (di, TDF_SLIM, t))
 276         {
 277           int i;
 278
 279           for (i = 0; i < CLASSTYPE_N_BASECLASSES (t); ++i)
 280             {
 281               tree base_binfo = BINFO_BASETYPE (TYPE_BINFO (t), i);
 282               dump_child ("base", BINFO_TYPE (base_binfo));
 283               if (TREE_VIA_VIRTUAL (base_binfo))
 284                 dump_string (di, "virtual");
 285               dump_access (di, base_binfo);
 286             }
 287         }
 288       break;
 289
 290     case FIELD_DECL:
 291       dump_access (di, t);
 292       if (DECL_MUTABLE_P (t))
 293         dump_string(di, "mutable");
 294       break;
 295
 296     case VAR_DECL:
 297       if (TREE_CODE (CP_DECL_CONTEXT (t)) == RECORD_TYPE)
 298         dump_access (di, t);
 299       if (TREE_STATIC (t) && !TREE_PUBLIC (t))
 300         dump_string (di, "static");
 301       break;
 302
 303     case FUNCTION_DECL:
 304       if (!DECL_THUNK_P (t))
 305         {
 306           if (DECL_OVERLOADED_OPERATOR_P (t)) {
 307             dump_string (di, "operator");
 308             dump_op (di, t);
 309           }
 310           if (DECL_FUNCTION_MEMBER_P (t))
 311             {
 312               dump_string (di, "member");
 313               dump_access (di, t);
 314             }
 315           if (DECL_PURE_VIRTUAL_P (t))
 316             dump_string (di, "pure");
 317           if (DECL_VIRTUAL_P (t))
 318             dump_string (di, "virtual");
 319           if (DECL_CONSTRUCTOR_P (t))
 320             dump_string (di, "constructor");
 321           if (DECL_DESTRUCTOR_P (t))
 322             dump_string (di, "destructor");
 323           if (DECL_CONV_FN_P (t))
 324             dump_string (di, "conversion");
 325           if (DECL_GLOBAL_CTOR_P (t))
 326             dump_string (di, "global init");
 327           if (DECL_GLOBAL_DTOR_P (t))
 328             dump_string (di, "global fini");
 329           if (DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION (t))
 330             dump_string (di, "pseudo tmpl");
 331         }
 332       else
 333         {
 334           tree virt = THUNK_VIRTUAL_OFFSET (t);
 335
 336           dump_string (di, "thunk");
 337           if (DECL_THIS_THUNK_P (t))
 338             dump_string (di, "this adjusting");
 339           else
 340             {
 341               dump_string (di, "result adjusting");
 342               if (virt)
 343                 virt = BINFO_VPTR_FIELD (virt);
 344             }
 345           dump_int (di, "fixd", THUNK_FIXED_OFFSET (t));
 346           if (virt)
 347             dump_int (di, "virt", tree_low_cst (virt, 0));
 348           dump_child ("fn", DECL_INITIAL (t));
 349         }
 350       break;
 351
 352     case NAMESPACE_DECL:
 353       if (DECL_NAMESPACE_ALIAS (t))
 354         dump_child ("alis", DECL_NAMESPACE_ALIAS (t));
 355       else if (!dump_flag (di, TDF_SLIM, t))
 356         dump_child ("dcls", cp_namespace_decls (t));
 357       break;
 358
 359     case TEMPLATE_DECL:
 360       dump_child ("rslt", DECL_TEMPLATE_RESULT (t));
 361       dump_child ("inst", DECL_TEMPLATE_INSTANTIATIONS (t));
 362       dump_child ("spcs", DECL_TEMPLATE_SPECIALIZATIONS (t));
 363       dump_child ("prms", DECL_TEMPLATE_PARMS (t));
 364       break;
 365
 366     case OVERLOAD:
 367       dump_child ("crnt", OVL_CURRENT (t));
 368       dump_child ("chan", OVL_CHAIN (t));
 369       break;
 370
 371     case TRY_BLOCK:
 372       dump_stmt (di, t);
 373       if (CLEANUP_P (t))
 374         dump_string (di, "cleanup");
 375       dump_child ("body", TRY_STMTS (t));
 376       dump_child ("hdlr", TRY_HANDLERS (t));
 377       dump_next_stmt (di, t);
 378       break;
 379
 380     case EH_SPEC_BLOCK:
 381       dump_stmt (di, t);
 382       dump_child ("body", EH_SPEC_STMTS (t));
 383       dump_child ("raises", EH_SPEC_RAISES (t));
 384       dump_next_stmt (di, t);
 385       break;
 386
 387     case PTRMEM_CST:
 388       dump_child ("clas", PTRMEM_CST_CLASS (t));
 389       dump_child ("mbr", PTRMEM_CST_MEMBER (t));
 390       break;
 391
 392     case THROW_EXPR:
 393       /* These nodes are unary, but do not have code class `1'.  */
 394       dump_child ("op 0", TREE_OPERAND (t, 0));
 395       break;
 396
 397     case AGGR_INIT_EXPR:
 398       dump_int (di, "ctor", AGGR_INIT_VIA_CTOR_P (t));
 399       dump_child ("fn", TREE_OPERAND (t, 0));
 400       dump_child ("args", TREE_OPERAND (t, 1));
 401       dump_child ("decl", TREE_OPERAND (t, 2));
 402       break;
 403
 404     case HANDLER:
 405       dump_stmt (di, t);
 406       dump_child ("parm", HANDLER_PARMS (t));
 407       dump_child ("body", HANDLER_BODY (t));
 408       dump_next_stmt (di, t);
 409       break;
 410
 411     case MUST_NOT_THROW_EXPR:
 412       dump_stmt (di, t);
 413       dump_child ("body", TREE_OPERAND (t, 0));
 414       dump_next_stmt (di, t);
 415       break;
 416
 417     case USING_STMT:
 418       dump_stmt (di, t);
 419       dump_child ("nmsp", USING_STMT_NAMESPACE (t));
 420       dump_next_stmt (di, t);
 421       break;
 422
 423     default:
 424       break;
 425     }
 426
 427   return c_dump_tree (di, t);
 428 }