gcc/cp/dump.c

   1 /* Tree-dumping functionality for intermediate representation.
   2    Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005
   3    Free Software Foundation, Inc.
   4    Written by Mark Mitchell <mark@codesourcery.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, 51 Franklin Street, Fifth Floor,
  21 Boston, MA 02110-1301, USA.  */
  22
  23 #include "config.h"
  24 #include "system.h"
  25 #include "coretypes.h"
  26 #include "tm.h"
  27 #include "tree.h"
  28 #include "cp-tree.h"
  29 #include "tree-dump.h"
  30
  31 static void dump_access (dump_info_p, tree);
  32
  33 static void dump_op (dump_info_p, tree);
  34
  35 /* Dump a representation of the accessibility information associated
  36    with T.  */
  37
  38 static void
  39 dump_access (dump_info_p di, tree t)
  40 {
  41   if (TREE_PROTECTED(t))
  42     dump_string_field (di, "accs", "prot");
  43   else if (TREE_PRIVATE(t))
  44     dump_string_field (di, "accs", "priv");
  45   else
  46     dump_string_field (di, "accs", "pub");
  47 }
  48
  49 /* Dump a representation of the specific operator for an overloaded
  50    operator associated with node t.  */
  51
  52 static void
  53 dump_op (dump_info_p di, tree t)
  54 {
  55   switch (DECL_OVERLOADED_OPERATOR_P (t)) {
  56     case NEW_EXPR:
  57       dump_string (di, "new");
  58       break;
  59     case VEC_NEW_EXPR:
  60       dump_string (di, "vecnew");
  61       break;
  62     case DELETE_EXPR:
  63       dump_string (di, "delete");
  64       break;
  65     case VEC_DELETE_EXPR:
  66       dump_string (di, "vecdelete");
  67       break;
  68     case UNARY_PLUS_EXPR:
  69       dump_string (di, "pos");
  70       break;
  71     case NEGATE_EXPR:
  72       dump_string (di, "neg");
  73       break;
  74     case ADDR_EXPR:
  75       dump_string (di, "addr");
  76       break;
  77     case INDIRECT_REF:
  78       dump_string(di, "deref");
  79       break;
  80     case BIT_NOT_EXPR:
  81       dump_string(di, "not");
  82       break;
  83     case TRUTH_NOT_EXPR:
  84       dump_string(di, "lnot");
  85       break;
  86     case PREINCREMENT_EXPR:
  87       dump_string(di, "preinc");
  88       break;
  89     case PREDECREMENT_EXPR:
  90       dump_string(di, "predec");
  91       break;
  92     case PLUS_EXPR:
  93       if (DECL_ASSIGNMENT_OPERATOR_P (t))
  94         dump_string (di, "plusassign");
  95       else
  96         dump_string(di, "plus");
  97       break;
  98     case MINUS_EXPR:
  99       if (DECL_ASSIGNMENT_OPERATOR_P (t))
 100         dump_string (di, "minusassign");
 101       else
 102         dump_string(di, "minus");
 103       break;
 104     case MULT_EXPR:
 105       if (DECL_ASSIGNMENT_OPERATOR_P (t))
 106         dump_string (di, "multassign");
 107       else
 108         dump_string (di, "mult");
 109       break;
 110     case TRUNC_DIV_EXPR:
 111       if (DECL_ASSIGNMENT_OPERATOR_P (t))
 112         dump_string (di, "divassign");
 113       else
 114         dump_string (di, "div");
 115       break;
 116     case TRUNC_MOD_EXPR:
 117       if (DECL_ASSIGNMENT_OPERATOR_P (t))
 118          dump_string (di, "modassign");
 119       else
 120         dump_string (di, "mod");
 121       break;
 122     case BIT_AND_EXPR:
 123       if (DECL_ASSIGNMENT_OPERATOR_P (t))
 124         dump_string (di, "andassign");
 125       else
 126         dump_string (di, "and");
 127       break;
 128     case BIT_IOR_EXPR:
 129       if (DECL_ASSIGNMENT_OPERATOR_P (t))
 130         dump_string (di, "orassign");
 131       else
 132         dump_string (di, "or");
 133       break;
 134     case BIT_XOR_EXPR:
 135       if (DECL_ASSIGNMENT_OPERATOR_P (t))
 136         dump_string (di, "xorassign");
 137       else
 138         dump_string (di, "xor");
 139       break;
 140     case LSHIFT_EXPR:
 141       if (DECL_ASSIGNMENT_OPERATOR_P (t))
 142         dump_string (di, "lshiftassign");
 143       else
 144         dump_string (di, "lshift");
 145       break;
 146     case RSHIFT_EXPR:
 147       if (DECL_ASSIGNMENT_OPERATOR_P (t))
 148         dump_string (di, "rshiftassign");
 149       else
 150         dump_string (di, "rshift");
 151       break;
 152     case EQ_EXPR:
 153       dump_string (di, "eq");
 154       break;
 155     case NE_EXPR:
 156       dump_string (di, "ne");
 157       break;
 158     case LT_EXPR:
 159       dump_string (di, "lt");
 160       break;
 161     case GT_EXPR:
 162       dump_string (di, "gt");
 163       break;
 164     case LE_EXPR:
 165       dump_string (di, "le");
 166       break;
 167     case GE_EXPR:
 168       dump_string (di, "ge");
 169       break;
 170     case TRUTH_ANDIF_EXPR:
 171       dump_string (di, "land");
 172       break;
 173     case TRUTH_ORIF_EXPR:
 174       dump_string (di, "lor");
 175       break;
 176     case COMPOUND_EXPR:
 177       dump_string (di, "compound");
 178       break;
 179     case MEMBER_REF:
 180       dump_string (di, "memref");
 181       break;
 182     case COMPONENT_REF:
 183       dump_string (di, "ref");
 184       break;
 185     case ARRAY_REF:
 186       dump_string (di, "subs");
 187       break;
 188     case POSTINCREMENT_EXPR:
 189       dump_string (di, "postinc");
 190       break;
 191     case POSTDECREMENT_EXPR:
 192       dump_string (di, "postdec");
 193       break;
 194     case CALL_EXPR:
 195       dump_string (di, "call");
 196       break;
 197     case NOP_EXPR:
 198       if (DECL_ASSIGNMENT_OPERATOR_P (t))
 199         dump_string (di, "assign");
 200       break;
 201     default:
 202       break;
 203   }
 204 }
 205
 206 bool
 207 cp_dump_tree (void* dump_info, tree t)
 208 {
 209   enum tree_code code;
 210   dump_info_p di = (dump_info_p) dump_info;
 211
 212   /* Figure out what kind of node this is.  */
 213   code = TREE_CODE (t);
 214
 215   if (DECL_P (t))
 216     {
 217       if (DECL_LANG_SPECIFIC (t) && DECL_LANGUAGE (t) != lang_cplusplus)
 218         dump_string_field (di, "lang", language_to_string (DECL_LANGUAGE (t)));
 219     }
 220
 221   switch (code)
 222     {
 223     case IDENTIFIER_NODE:
 224       if (IDENTIFIER_OPNAME_P (t))
 225         {
 226           dump_string_field (di, "note", "operator");
 227           return true;
 228         }
 229       else if (IDENTIFIER_TYPENAME_P (t))
 230         {
 231           dump_child ("tynm", TREE_TYPE (t));
 232           return true;
 233         }
 234       break;
 235
 236     case OFFSET_TYPE:
 237       dump_string_field (di, "note", "ptrmem");
 238       dump_child ("ptd", TYPE_PTRMEM_POINTED_TO_TYPE (t));
 239       dump_child ("cls", TYPE_PTRMEM_CLASS_TYPE (t));
 240       return true;
 241
 242     case RECORD_TYPE:
 243       if (TYPE_PTRMEMFUNC_P (t))
 244         {
 245           dump_string_field (di, "note", "ptrmem");
 246           dump_child ("ptd", TYPE_PTRMEM_POINTED_TO_TYPE (t));
 247           dump_child ("cls", TYPE_PTRMEM_CLASS_TYPE (t));
 248           return true;
 249         }
 250       /* Fall through.  */
 251
 252     case UNION_TYPE:
 253       /* Is it a type used as a base? */
 254       if (TYPE_CONTEXT (t) && TREE_CODE (TYPE_CONTEXT (t)) == TREE_CODE (t)
 255           && CLASSTYPE_AS_BASE (TYPE_CONTEXT (t)) == t)
 256         {
 257           dump_child ("bfld", TYPE_CONTEXT (t));
 258           return true;
 259         }
 260
 261       if (! IS_AGGR_TYPE (t))
 262         break;
 263
 264       dump_child ("vfld", TYPE_VFIELD (t));
 265       if (CLASSTYPE_TEMPLATE_SPECIALIZATION(t))
 266         dump_string(di, "spec");
 267
 268       if (!dump_flag (di, TDF_SLIM, t) && TYPE_BINFO (t))
 269         {
 270           int i;
 271           tree binfo;
 272           tree base_binfo;
 273
 274           for (binfo = TYPE_BINFO (t), i = 0;
 275                BINFO_BASE_ITERATE (binfo, i, base_binfo); ++i)
 276             {
 277               dump_child ("base", BINFO_TYPE (base_binfo));
 278               if (BINFO_VIRTUAL_P (base_binfo))
 279                 dump_string_field (di, "spec", "virt");
 280               dump_access (di, base_binfo);
 281             }
 282         }
 283       break;
 284
 285     case FIELD_DECL:
 286       dump_access (di, t);
 287       if (DECL_MUTABLE_P (t))
 288         dump_string_field (di, "spec", "mutable");
 289       break;
 290
 291     case VAR_DECL:
 292       if (TREE_CODE (CP_DECL_CONTEXT (t)) == RECORD_TYPE)
 293         dump_access (di, t);
 294       if (TREE_STATIC (t) && !TREE_PUBLIC (t))
 295         dump_string_field (di, "link", "static");
 296       break;
 297
 298     case FUNCTION_DECL:
 299       if (!DECL_THUNK_P (t))
 300         {
 301           if (DECL_OVERLOADED_OPERATOR_P (t)) {
 302             dump_string_field (di, "note", "operator");
 303             dump_op (di, t);
 304           }
 305           if (DECL_FUNCTION_MEMBER_P (t))
 306             {
 307               dump_string_field (di, "note", "member");
 308               dump_access (di, t);
 309             }
 310           if (DECL_PURE_VIRTUAL_P (t))
 311             dump_string_field (di, "spec", "pure");
 312           if (DECL_VIRTUAL_P (t))
 313             dump_string_field (di, "spec", "virt");
 314           if (DECL_CONSTRUCTOR_P (t))
 315             dump_string_field (di, "note", "constructor");
 316           if (DECL_DESTRUCTOR_P (t))
 317             dump_string_field (di, "note", "destructor");
 318           if (DECL_CONV_FN_P (t))
 319             dump_string_field (di, "note", "conversion");
 320           if (DECL_GLOBAL_CTOR_P (t))
 321             dump_string_field (di, "note", "global init");
 322           if (DECL_GLOBAL_DTOR_P (t))
 323             dump_string_field (di, "note", "global fini");
 324           if (DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION (t))
 325             dump_string_field (di, "note", "pseudo tmpl");
 326         }
 327       else
 328         {
 329           tree virt = THUNK_VIRTUAL_OFFSET (t);
 330
 331           dump_string_field (di, "note", "thunk");
 332           if (DECL_THIS_THUNK_P (t))
 333             dump_string_field (di, "note", "this adjusting");
 334           else
 335             {
 336               dump_string_field (di, "note", "result adjusting");
 337               if (virt)
 338                 virt = BINFO_VPTR_FIELD (virt);
 339             }
 340           dump_int (di, "fixd", THUNK_FIXED_OFFSET (t));
 341           if (virt)
 342             dump_int (di, "virt", tree_low_cst (virt, 0));
 343           dump_child ("fn", DECL_INITIAL (t));
 344         }
 345       break;
 346
 347     case NAMESPACE_DECL:
 348       if (DECL_NAMESPACE_ALIAS (t))
 349         dump_child ("alis", DECL_NAMESPACE_ALIAS (t));
 350       else if (!dump_flag (di, TDF_SLIM, t))
 351         dump_child ("dcls", cp_namespace_decls (t));
 352       break;
 353
 354     case TEMPLATE_DECL:
 355       dump_child ("rslt", DECL_TEMPLATE_RESULT (t));
 356       dump_child ("inst", DECL_TEMPLATE_INSTANTIATIONS (t));
 357       dump_child ("spcs", DECL_TEMPLATE_SPECIALIZATIONS (t));
 358       dump_child ("prms", DECL_TEMPLATE_PARMS (t));
 359       break;
 360
 361     case OVERLOAD:
 362       dump_child ("crnt", OVL_CURRENT (t));
 363       dump_child ("chan", OVL_CHAIN (t));
 364       break;
 365
 366     case TRY_BLOCK:
 367       dump_stmt (di, t);
 368       if (CLEANUP_P (t))
 369         dump_string_field (di, "note", "cleanup");
 370       dump_child ("body", TRY_STMTS (t));
 371       dump_child ("hdlr", TRY_HANDLERS (t));
 372       break;
 373
 374     case EH_SPEC_BLOCK:
 375       dump_stmt (di, t);
 376       dump_child ("body", EH_SPEC_STMTS (t));
 377       dump_child ("raises", EH_SPEC_RAISES (t));
 378       break;
 379
 380     case PTRMEM_CST:
 381       dump_child ("clas", PTRMEM_CST_CLASS (t));
 382       dump_child ("mbr", PTRMEM_CST_MEMBER (t));
 383       break;
 384
 385     case THROW_EXPR:
 386       /* These nodes are unary, but do not have code class `1'.  */
 387       dump_child ("op 0", TREE_OPERAND (t, 0));
 388       break;
 389
 390     case AGGR_INIT_EXPR:
 391       dump_int (di, "ctor", AGGR_INIT_VIA_CTOR_P (t));
 392       dump_child ("fn", TREE_OPERAND (t, 0));
 393       dump_child ("args", TREE_OPERAND (t, 1));
 394       dump_child ("decl", TREE_OPERAND (t, 2));
 395       break;
 396
 397     case HANDLER:
 398       dump_stmt (di, t);
 399       dump_child ("parm", HANDLER_PARMS (t));
 400       dump_child ("body", HANDLER_BODY (t));
 401       break;
 402
 403     case MUST_NOT_THROW_EXPR:
 404       dump_stmt (di, t);
 405       dump_child ("body", TREE_OPERAND (t, 0));
 406       break;
 407
 408     case USING_STMT:
 409       dump_stmt (di, t);
 410       dump_child ("nmsp", USING_STMT_NAMESPACE (t));
 411       break;
 412
 413     case CLEANUP_STMT:
 414       dump_stmt (di, t);
 415       dump_child ("decl", CLEANUP_DECL (t));
 416       dump_child ("expr", CLEANUP_EXPR (t));
 417       dump_child ("body", CLEANUP_BODY (t));
 418       break;
 419
 420     case IF_STMT:
 421       dump_stmt (di, t);
 422       dump_child ("cond", IF_COND (t));
 423       dump_child ("then", THEN_CLAUSE (t));
 424       dump_child ("else", ELSE_CLAUSE (t));
 425       break;
 426
 427     case BREAK_STMT:
 428     case CONTINUE_STMT:
 429       dump_stmt (di, t);
 430       break;
 431
 432     case DO_STMT:
 433       dump_stmt (di, t);
 434       dump_child ("body", DO_BODY (t));
 435       dump_child ("cond", DO_COND (t));
 436       break;
 437
 438     case FOR_STMT:
 439       dump_stmt (di, t);
 440       dump_child ("init", FOR_INIT_STMT (t));
 441       dump_child ("cond", FOR_COND (t));
 442       dump_child ("expr", FOR_EXPR (t));
 443       dump_child ("body", FOR_BODY (t));
 444       break;
 445
 446     case SWITCH_STMT:
 447       dump_stmt (di, t);
 448       dump_child ("cond", SWITCH_STMT_COND (t));
 449       dump_child ("body", SWITCH_STMT_BODY (t));
 450       break;
 451
 452     case WHILE_STMT:
 453       dump_stmt (di, t);
 454       dump_child ("cond", WHILE_COND (t));
 455       dump_child ("body", WHILE_BODY (t));
 456       break;
 457
 458     case STMT_EXPR:
 459       dump_child ("stmt", STMT_EXPR_STMT (t));
 460       break;
 461
 462     case EXPR_STMT:
 463       dump_stmt (di, t);
 464       dump_child ("expr", EXPR_STMT_EXPR (t));
 465       break;
 466
 467     default:
 468       break;
 469     }
 470
 471   return c_dump_tree (di, t);
 472 }